/* ==========================================================================
   IS HOTELS - DESIGN SYSTEM & SHARED STYLESHEET (100% internetstars.pl)
   Shared across all 8 pages in /internetstars-style/
   ========================================================================== */

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial'), local('Helvetica Neue'), local('Segoe UI');
  font-weight: 100 599;
  ascent-override: 90.44%;
  descent-override: 22.52%;
  line-gap-override: 0.00%;
  size-adjust: 107.12%;
}

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial Bold'), local('Helvetica Neue Bold'), local('Arial');
  font-weight: 600 699;
  ascent-override: 90.44%;
  descent-override: 22.52%;
  line-gap-override: 0.00%;
  size-adjust: 100%;
}

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial Bold'), local('Helvetica Neue Bold'), local('Arial');
  font-weight: 700 900;
  ascent-override: 90.44%;
  descent-override: 22.52%;
  line-gap-override: 0.00%;
  size-adjust: 106.2%;
}

:root {
  /* Typography Stack (Zero Font CLS metric-matched fallback) */
  --font-sans: 'Inter', 'Inter Fallback', system-ui, -apple-system, sans-serif;

  /* Core Brand & Surface Tokens (from internetstars.pl) */
  --color-gold: #d9b84a;
  --color-gold-hover: #d9be65;
  --color-gold-soft: rgba(217, 184, 74, 0.14);
  --color-gold-border: rgba(217, 184, 74, 0.36);
  --color-ink: #0f0f0f;
  --color-ink-soft: #171719;
  --color-ink-elevated: #202023;
  --color-ink-hover: #343434;
  --color-white: #ffffff;
  --color-surface: #f7f7f7;
  --color-surface-hover: #f2f2f2;
  --color-line: #ececec;
  --color-line-strong: #dedede;
  --color-ghost: #75757d;

  /* Text Tokens (WCAG AA/AAA verified contrast) */
  --color-text: #111111;
  --color-text-secondary: #555555;
  --color-text-muted: #595959;
  --color-text-accent: #5c4706;

  /* Semantic & Focus */
  --destructive: #e40014;
  --success: #15803d;
  --ring: #d9b84a;

  /* Layout & Radius */
  --container-max: 73.5rem;      /* 1176px */
  --container-narrow: 56.25rem;  /* 900px */
  --container-bar: 64rem;        /* 1024px - spacious shrunk navbar width on scroll */
  --gutter-inline: 1.125rem;     /* 18px */
  --radius-sm: 0.625rem;         /* 10px - buttons & inputs */
  --radius-md: 0.75rem;          /* 12px - navbar */
  --radius-lg: 1rem;             /* 16px - faq & compact tiles */
  --radius-xl: 1.25rem;          /* 20px - standard cards */
  --radius-2xl: 1.5rem;          /* 24px - bento & feature showcases */

  /* Motion Tokens (exact internetstars.pl physics) */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-spring: 0.55s;
  --duration-spring-leave: 0.75s;
  --ease-expo: cubic-bezier(0.165, 0.84, 0.44, 1);
  --dur-s: 0.2s;
  --dur-m: 0.4s;
}

/* --------------------------------------------------------------------------
   1. Reset & Fluid Root Typography
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  font-size: 16px !important;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--color-white);
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.375rem;
  overflow-x: clip;
}

body.is-menu-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol, dl, dd {
  margin: 0;
}

:where(ul[class], ol[class]) {
  list-style: none;
  padding: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  padding: 0;
}

section[id],
article[id],
div[id] {
  scroll-margin-top: 6.25rem;
}

::selection {
  background-color: var(--color-gold);
  color: var(--color-ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   2. Containers & Section Architecture
   -------------------------------------------------------------------------- */
.is-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter-inline);
}

.is-container--narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter-inline);
}

.is-section {
  position: relative;
  padding-block: 4.75rem;
}

.is-section--tight {
  position: relative;
  padding-block: 3.25rem;
}

@media (min-width: 64rem) {
  .is-section {
    padding-block: 7.5rem;
  }
  .is-section--tight {
    padding-block: 5rem;
  }
}

.is-section--ink {
  background-color: var(--color-ink);
  color: var(--color-white);
}

.is-section--ink-grad {
  background: linear-gradient(180deg, #0f0f0f 0%, #29292b 100%);
  color: var(--color-white);
}

.is-section--surface {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.is-section--white {
  background-color: var(--color-white);
  color: var(--color-text);
}

/* Hero Section (Dark #0f0f0f with default topbar clearance for 0.000 CLS) */
.is-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-ink);
  color: var(--color-white);
  padding-top: 10.25rem;
  padding-bottom: 4.5rem;
}

body.topbar-dismissed .is-hero {
  padding-top: 7.75rem;
}

@media (min-width: 64rem) {
  .is-hero {
    padding-top: 11.75rem;
    padding-bottom: 6.5rem;
  }
  body.topbar-dismissed .is-hero {
    padding-top: 9.5rem;
  }
}

.is-hero::before {
  content: "";
  position: absolute;
  inset: -12% -10% auto;
  height: 44rem;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(48% 50% at 50% 16%, rgba(217, 184, 74, 0.14) 0%, rgba(217, 184, 74, 0.03) 48%, transparent 78%),
    radial-gradient(36% 36% at 82% 24%, rgba(255, 255, 255, 0.05) 0%, transparent 72%);
}

.is-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  mask-image: radial-gradient(ellipse 75% 60% at 50% 24%, #000 15%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 50% 24%, #000 15%, transparent 75%);
}

/* Light Hero Variants (.is-hero--light for all subpages + .is-section--white / .is-section--surface) */
.is-hero--light,
.is-hero.is-hero--light,
.is-hero.is-section--white {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-white);
  color: var(--color-text);
  padding-top: 10.5rem;
  padding-bottom: 4.5rem;
}

.is-hero.is-section--surface {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding-top: 10.5rem;
  padding-bottom: 4.5rem;
}

body.topbar-dismissed .is-hero--light,
body.topbar-dismissed .is-hero.is-hero--light,
body.topbar-dismissed .is-hero.is-section--white,
body.topbar-dismissed .is-hero.is-section--surface {
  padding-top: 8.5rem;
}

@media (min-width: 64rem) {
  .is-hero--light,
  .is-hero.is-hero--light,
  .is-hero.is-section--white,
  .is-hero.is-section--surface {
    padding-top: 12rem;
    padding-bottom: 6rem;
  }
  body.topbar-dismissed .is-hero--light,
  body.topbar-dismissed .is-hero.is-hero--light,
  body.topbar-dismissed .is-hero.is-section--white,
  body.topbar-dismissed .is-hero.is-section--surface {
    padding-top: 10.5rem;
  }
}

.is-hero--light::before,
.is-hero.is-hero--light::before,
.is-hero.is-section--white::before,
.is-hero.is-section--surface::before {
  content: "";
  position: absolute;
  inset: -10% -10% auto;
  height: 38rem;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(46% 48% at 72% 16%, rgba(217, 184, 74, 0.10) 0%, transparent 72%);
}

.is-hero--light::after,
.is-hero.is-hero--light::after,
.is-hero.is-section--white::after,
.is-hero.is-section--surface::after {
  display: none;
}

/* Section Header Layout Helpers */
.is-section-head {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

.is-section-head--center {
  margin-inline: auto;
  text-align: center;
  align-items: center;
}

.is-section-head--split {
  max-width: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

@media (min-width: 64rem) {
  .is-section-head {
    margin-bottom: 3.5rem;
  }
  .is-section-head--split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2.5rem;
    margin-bottom: 3.5rem;
  }
}

/* --------------------------------------------------------------------------
   3. Typography Scale (Strict 8-Size Scale from internetstars.pl @ 1rem=16px)
   -------------------------------------------------------------------------- */
.type-eyebrow,
.type-overline {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-accent);
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .type-eyebrow,
.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .type-overline,
.is-section--ink .type-eyebrow,
.is-section--ink .type-overline,
.is-section--ink-grad .type-eyebrow,
.is-section--ink-grad .type-overline,
.is-card--dark .type-eyebrow,
.is-card--dark .type-overline,
.is-price-card--featured .type-eyebrow,
.is-price-card--featured .type-overline,
.is-live-lab .type-eyebrow,
.is-live-lab .type-overline,
.is-audit-card .type-eyebrow,
.is-audit-card .type-overline,
.is-form-card--dark .type-eyebrow,
.is-form-card--dark .type-overline {
  color: #edd274;
}

.is-card:not(.is-card--dark):not(.is-price-card--featured):not(.is-audit-card) .type-eyebrow,
.is-card:not(.is-card--dark):not(.is-price-card--featured):not(.is-audit-card) .type-overline,
.is-form-card:not(.is-form-card--dark) .type-eyebrow,
.is-form-card:not(.is-form-card--dark) .type-overline {
  color: var(--color-text-accent);
}

.type-display-xl {
  font-size: 2.25rem;
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.042em;
  text-wrap: balance;
}

.type-display-l {
  font-size: 2.125rem;
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.type-display-m {
  font-size: 1.875rem;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.type-title-l {
  font-size: 1.375rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.type-title-m {
  font-size: 1.25rem;
  line-height: 1.4375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.type-title-s {
  font-size: 1.0625rem;
  line-height: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.type-lead {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.type-body {
  font-size: 0.875rem;
  line-height: 1.375rem;
  font-weight: 400;
}

.type-button {
  font-size: 0.875rem;
  line-height: 1;
  font-weight: 600;
}

.type-caption {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text-muted);
}

.type-number-ghost {
  font-size: 3rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--color-ghost);
  user-select: none;
}

@media (min-width: 48rem) {
  .type-display-xl {
    font-size: 2.875rem;
    line-height: 1.03;
  }
  .type-display-l {
    font-size: 2.625rem;
    line-height: 1.05;
  }
  .type-display-m {
    font-size: 2.25rem;
    line-height: 1.08;
  }
  .type-title-l {
    font-size: 1.625rem;
    line-height: 1.18;
  }
}

@media (min-width: 64rem) {
  .type-display-xl {
    font-size: 3.5rem;
    line-height: 1.02;
  }
  .type-display-l {
    font-size: 3.125rem;
    line-height: 1.04;
  }
  .text-center .type-display-l,
  .is-section-head--center .type-display-l {
    font-size: 3.5rem;
  }
  .type-display-m {
    font-size: 2.5rem;
    line-height: 1.08;
  }
  .type-title-l {
    font-size: 1.75rem;
    line-height: 1.18;
  }
  .type-number-ghost {
    font-size: 3.5rem;
    line-height: 1;
  }
}

/* Vector Arrow Icon (Lucide arrow-up-right - replaces all text arrows) */
svg.is-icon-arrow,
.is-icon-arrow {
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  vertical-align: -0.14em;
  margin-left: 0.25em;
  flex-shrink: 0;
  pointer-events: none;
  transition: transform 0.2s ease;
}

.is-btn svg.is-icon-arrow,
.is-btn .is-icon-arrow,
.is-btn__label .is-icon-arrow {
  width: 1em;
  height: 1em;
  margin-left: 0;
  vertical-align: 0;
}

a:hover .is-icon-arrow,
button:hover .is-icon-arrow {
  transform: translate(2px, -2px);
}

/* Dark context readability & global dark-card contrast protection */
.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .type-lead,
.is-section--ink .type-lead,
.is-section--ink-grad .type-lead,
.is-card--dark .type-lead,
.is-price-card--featured .type-lead,
.is-live-lab .type-lead,
.is-audit-card .type-lead,
.is-form-card--dark .type-lead {
  color: rgba(255, 255, 255, 0.82);
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .type-caption,
.is-section--ink .type-caption,
.is-section--ink-grad .type-caption,
.is-card--dark .type-caption,
.is-price-card--featured .type-caption,
.is-live-lab .type-caption,
.is-audit-card .type-caption,
.is-form-card--dark .type-caption {
  color: rgba(255, 255, 255, 0.72);
}

.is-card:not(.is-card--dark):not(.is-price-card--featured):not(.is-audit-card) .type-lead,
.is-form-card:not(.is-form-card--dark) .type-lead {
  color: var(--color-text-secondary);
}

.is-card:not(.is-card--dark):not(.is-price-card--featured):not(.is-audit-card) .type-caption,
.is-form-card:not(.is-form-card--dark) .type-caption {
  color: var(--color-text-muted);
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark) {
  color: #ffffff;
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark)
  :is(h1, h2, h3, h4, h5, h6, .type-title-s, .type-title-m, .type-title-l, strong, b):not(.text-gold):not(.text-gold-gradient):not(.is-btn):not(.is-btn *) {
  color: #ffffff;
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark)
  :is(p, li, li > span, .is-check-list li, .is-check-list li > span, .is-price-features li, .is-price-features li > span):not(.type-eyebrow):not(.type-overline):not(.is-pill-badge):not(.is-btn):not(.is-btn *) {
  color: rgba(255, 255, 255, 0.86);
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark)
  :is(li strong, .is-check-list li strong, .is-price-features li strong):not(.is-btn *) {
  color: #ffffff;
}

/* Protect nested light cards inside dark containers (.is-section--ink, .is-audit-card, etc.) */
:is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light) {
  color: var(--color-text);
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark)
  :is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light)
  :is(h1, h2, h3, h4, h5, h6, .type-title-s, .type-title-m, .type-title-l, strong, b):not(.text-gold):not(.text-gold-gradient):not(.is-btn):not(.is-btn *) {
  color: var(--color-text);
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark)
  :is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light)
  :is(p, li, li > span, .is-check-list li, .is-check-list li > span, .is-price-features li, .is-price-features li > span):not(.type-eyebrow):not(.type-overline):not(.type-caption):not(.is-pill-badge):not(.is-btn):not(.is-btn *) {
  color: var(--color-text-secondary);
}

/* Protect dark inner panels nested inside light cards (e.g. #0f0f0f video/ROI boxes inside .is-card--white/.is-card--surface) */
:is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light)
  :is(.is-card--dark, .is-live-lab, [style*="background:#0f0f0f"], [style*="background: #0f0f0f"], [style*="background:#1"], [style*="background: #1"]) {
  color: #ffffff;
}

:is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light)
  :is(.is-card--dark, .is-live-lab, [style*="background:#0f0f0f"], [style*="background: #0f0f0f"], [style*="background:#1"], [style*="background: #1"])
  :is(h1, h2, h3, h4, h5, h6, .type-title-s, .type-title-m, .type-title-l, strong, b):not(.text-gold):not(.text-gold-gradient):not(.is-btn):not(.is-btn *) {
  color: #ffffff;
}

/* Prevent .text-secondary / .text-muted !important from producing gray-on-black inside dark cards */
:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark) .text-secondary {
  color: rgba(255, 255, 255, 0.84) !important;
}

:is(.is-card--dark, .is-price-card--featured, .is-live-lab, .is-audit-card, .is-form-card--dark) .text-muted {
  color: rgba(255, 255, 255, 0.72) !important;
}

/* Gold Gradient Text & Animated Shine (internetstars.pl signature) */
.text-gold-gradient {
  background-image: linear-gradient(to right, #c9a24c, #f6e8b6);
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  margin-inline: -0.06em;
  padding-inline: 0.06em;
}

.text-gold {
  color: var(--color-gold) !important;
}

.text-accent {
  color: var(--color-text-accent) !important;
}

.text-secondary {
  color: var(--color-text-secondary) !important;
}

.text-muted {
  color: var(--color-text-muted) !important;
}

.text-white-muted {
  color: rgba(255, 255, 255, 0.65) !important;
}

@keyframes is-shine {
  0% {
    background-position: 100% 0;
  }
  24%,
  100% {
    background-position: -50% 0;
  }
}

.is-shine {
  --shine-gradient: linear-gradient(
    110deg,
    currentColor 0% 45%,
    color-mix(in srgb, currentColor 55%, #ffffff) 50%,
    currentColor 55% 100%
  );
  background-image: var(--shine-gradient);
  background-size: 250% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-block: 0.12em;
  margin-block: -0.12em;
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-shine,
.is-section--ink .is-shine,
.is-section--ink-grad .is-shine {
  --shine-gradient: linear-gradient(
    110deg,
    #ffffff 0% 44%,
    #f6e8b6 50%,
    #ffffff 56% 100%
  );
}

.is-hero--light .text-gold-gradient,
.is-section--white .text-gold-gradient,
.is-section--surface .text-gold-gradient {
  background-image: linear-gradient(95deg, #9a7512 0%, #cfa432 52%, #8a670d 100%);
}

.is-shine .text-gold-gradient {
  background-image: linear-gradient(to right, #c9a24c, #f6e8b6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.is-hero--light .is-shine .text-gold-gradient,
.is-section--white .is-shine .text-gold-gradient,
.is-section--surface .is-shine .text-gold-gradient {
  background-image: linear-gradient(95deg, #9a7512 0%, #cfa432 52%, #8a670d 100%);
}

.is-shine-on {
  animation: is-shine 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .is-shine-on {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   4. Buttons (.is-btn + #is-goo Spring Bubble Physics)
   -------------------------------------------------------------------------- */
.is-btn {
  --btn-bg: var(--color-ink);
  --btn-bg-hover: var(--color-ink-hover);
  --btn-fg: var(--color-white);
  --btn-line: transparent;

  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-shrink: 0;
  height: 2.75rem;
  padding-inline: 1.25rem;
  border-radius: var(--radius-sm);
  background-color: var(--btn-bg);
  border: 1px solid var(--btn-line);
  color: var(--btn-fg);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  outline: none;
  transition:
    transform var(--dur-s) ease,
    color var(--dur-s) ease,
    background-color var(--dur-s) ease,
    border-color var(--dur-s) ease;
}

/* Once JS injects .is-goo > .is-pill + .is-bubble, pill handles background */
.is-btn[data-is-enhanced="1"] {
  background-color: transparent;
  border-color: transparent;
}

.is-btn:hover {
  background-color: var(--btn-bg-hover);
}

.is-btn[data-is-enhanced="1"]:hover {
  background-color: transparent;
}

.is-btn:active {
  transform: scale(0.95);
}

.is-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(217, 184, 74, 0.55);
}

.is-btn:disabled,
.is-btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.is-btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  pointer-events: none;
}

/* Variants - all use opaque backgrounds so SVG #is-goo alpha matrix renders crisply */
.is-btn--gold {
  --btn-bg: var(--color-gold);
  --btn-bg-hover: var(--color-gold-hover);
  --btn-fg: var(--color-ink);
  --btn-line: transparent;
}

.is-btn--ink {
  --btn-bg: var(--color-ink);
  --btn-bg-hover: var(--color-ink-hover);
  --btn-fg: var(--color-white);
  --btn-line: transparent;
}

.is-btn--white {
  --btn-bg: var(--color-white);
  --btn-bg-hover: var(--color-surface-hover);
  --btn-fg: var(--color-ink);
  --btn-line: transparent;
}

.is-btn--outline-dark {
  --btn-bg: var(--color-white);
  --btn-bg-hover: var(--color-surface);
  --btn-fg: var(--color-ink);
  --btn-line: #d8d8d8;
}

.is-btn--outline-light {
  --btn-bg: #1a1a1d;
  --btn-bg-hover: #29292e;
  --btn-fg: var(--color-white);
  --btn-line: rgba(255, 255, 255, 0.22);
}

.is-btn--ghost {
  --btn-bg: var(--color-surface);
  --btn-bg-hover: var(--color-surface-hover);
  --btn-fg: var(--color-text);
  --btn-line: var(--color-line);
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-btn--ghost,
.is-section--ink .is-btn--ghost,
.is-section--ink-grad .is-btn--ghost,
.is-card--dark .is-btn--ghost {
  --btn-bg: #1c1c20;
  --btn-bg-hover: #2a2a30;
  --btn-fg: var(--color-white);
  --btn-line: rgba(255, 255, 255, 0.14);
}

/* Sizes */
.is-btn--lg {
  height: 3rem;
  padding-inline: 1.5rem;
  font-size: 0.875rem;
}

.is-btn--sm {
  height: 2.375rem;
  padding-inline: 1rem;
  font-size: 0.875rem;
}

.is-btn--full {
  display: flex;
  width: 100%;
}

/* Gooey Internal Anatomy (injected automatically by is-hotels.js) */
.is-btn .is-goo {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.is-btn .is-pill {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-sm);
  background-color: var(--btn-bg);
  transition: background-color var(--dur-s) ease;
}

.is-btn .is-bubble {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  background-color: var(--btn-bg);
  transform: translate(0, 0) scale(0.7);
  transition:
    background-color var(--dur-s) ease,
    transform var(--duration-spring-leave) var(--ease-spring);
}

.is-btn .is-btn__border {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--btn-line);
  pointer-events: none;
  transition: border-color var(--dur-s) ease;
}

.is-btn .is-btn__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: text-decoration-color var(--dur-s) ease;
}

.is-btn:hover .is-pill,
.is-btn:hover .is-bubble {
  background-color: var(--btn-bg-hover);
}

.is-btn:hover .is-btn__label {
  text-decoration-color: currentColor;
}

.is-btn .is-arrow {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--btn-line);
  color: var(--btn-fg);
  opacity: 0;
  pointer-events: none;
  transform: translate(0, 0);
  transition: opacity 0.12s ease, transform 0s linear 0.15s;
}

@media (hover: hover) and (pointer: fine) {
  .is-btn:not(.is-btn--full):not([data-no-bubble]) .is-goo {
    filter: url(#is-goo);
  }

  .is-btn:not(.is-btn--full):not([data-no-bubble]):hover .is-bubble {
    transform: translate(calc(100% + 0.375rem), 0) scale(1);
    transition:
      background-color var(--dur-s) ease,
      transform var(--duration-spring) var(--ease-spring);
  }

  .is-btn:not(.is-btn--full):not([data-no-bubble]):hover .is-arrow {
    opacity: 1;
    transform: translate(calc(100% + 0.375rem), 0);
    transition: opacity 0.16s ease 0.26s, transform 0s;
  }

  /* Give horizontal button groups breathing room for the popped-out gooey bubble */
  .is-btn-row .is-btn:not(.is-btn--full):not([data-no-bubble]):not(:last-child),
  .is-hero-actions .is-btn:not(.is-btn--full):not([data-no-bubble]):not(:last-child) {
    margin-inline-end: 2.85rem;
  }
}

@media (prefers-reduced-motion: reduce), (hover: none) {
  .is-btn .is-bubble,
  .is-btn .is-arrow {
    display: none;
  }
}

.is-btn-row,
.is-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.875rem;
}

/* --------------------------------------------------------------------------
   5. Pill Badges, Non-Breaking Prices, Grids & Bento Cards (.gold-frame)
   -------------------------------------------------------------------------- */
.is-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.375rem 0.8125rem;
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-text);
}

@media (max-width: 28rem) {
  .is-pill-badge {
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

.is-stat-value,
.is-price-amount,
.is-price-tier,
.is-price-badge,
.is-price-pill,
.is-audit-price-pill strong,
.is-nowrap {
  white-space: nowrap;
  flex-shrink: 0;
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-pill-badge,
.is-section--ink .is-pill-badge,
.is-section--ink-grad .is-pill-badge,
.is-card--dark .is-pill-badge,
.is-pill-badge--dark {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.92);
}

.is-card:not(.is-card--dark) .is-pill-badge {
  background-color: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-text);
}

.is-section--surface .is-pill-badge {
  background-color: var(--color-white);
  border-color: var(--color-line);
}

.is-pill-badge--gold {
  background-color: var(--color-gold-soft) !important;
  border-color: var(--color-gold-border) !important;
  color: #5c4706 !important;
}

.is-hero--light .is-pill-badge--gold,
.is-section--white .is-pill-badge--gold,
.is-section--surface .is-pill-badge--gold {
  color: #5c4706 !important;
}

:is(
  .is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface),
  .is-section--ink,
  .is-section--ink-grad,
  .is-live-lab,
  .is-card--dark,
  .is-price-card--featured,
  .is-audit-card,
  .is-form-card--dark,
  .is-hero-overlay-card
) .is-pill-badge--gold {
  background-color: rgba(217, 184, 74, 0.16) !important;
  border-color: rgba(217, 184, 74, 0.36) !important;
  color: #edd274 !important;
}

:is(.is-card--white, .is-card--surface, .is-form-card:not(.is-form-card--dark), .is-form-card--light) .is-pill-badge--gold {
  background-color: rgba(217, 184, 74, 0.14) !important;
  border-color: rgba(217, 184, 74, 0.36) !important;
  color: #5c4706 !important;
}

/* Status dots completely disabled per brand guidelines */
.is-dot,
.is-dot--live,
.status-dot {
  display: none !important;
}

/* Grid Systems */
.is-grid-2,
.is-grid-3,
.is-grid-4,
.is-bento-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

@media (min-width: 48rem) {
  .is-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .is-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .is-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .is-bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .is-col-span-2 {
    grid-column: span 2 / span 2;
  }
}

@media (min-width: 64rem) {
  .is-grid-2 {
    gap: 1.5rem;
  }
  .is-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.375rem;
  }
  .is-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .is-bento-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.375rem;
  }
  .is-col-span-3 {
    grid-column: span 3 / span 3;
  }
}

/* Cards */
.is-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  color: var(--color-text);
  padding: 1.5rem;
  transition:
    transform var(--dur-m) var(--ease-expo),
    border-color var(--dur-m) var(--ease-expo),
    background-color var(--dur-m) var(--ease-expo),
    box-shadow var(--dur-m) var(--ease-expo);
}

@media (min-width: 64rem) {
  .is-card {
    padding: 2rem;
  }
}

.is-card--surface {
  background-color: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-text);
}

.is-card--white {
  background-color: var(--color-white);
  border-color: var(--color-line);
  color: var(--color-text);
}

.is-card--dark {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.025) 100%);
  background-color: #161618;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.is-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
  transition: background-color var(--dur-s) ease, color var(--dur-s) ease, border-color var(--dur-s) ease;
}

.is-card--surface .is-card__icon {
  background-color: var(--color-white);
}

.is-card--dark .is-card__icon {
  background-color: rgba(217, 184, 74, 0.12);
  border-color: rgba(217, 184, 74, 0.28);
  color: var(--color-gold);
}

.is-card:hover .is-card__icon {
  background-color: var(--color-gold-soft);
  border-color: var(--color-gold-border);
  color: var(--color-ink);
}

.is-card--dark:hover .is-card__icon {
  background-color: var(--color-gold);
  color: var(--color-ink);
}

/* Signature Spring Gold Frame (exact internetstars.pl .gold-frame) */
.gold-frame {
  position: relative;
  transition:
    background-color var(--frame-dur, var(--dur-m)) var(--frame-ease, var(--ease-spring)),
    border-color var(--frame-dur, var(--dur-m)) var(--frame-ease, var(--ease-spring)),
    transform var(--dur-m) var(--ease-expo);
}

.gold-frame::before {
  content: "";
  position: absolute;
  inset: calc(-1 * var(--frame-over, 0px));
  z-index: 2;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 var(--frame-w, 1.5px) var(--frame, transparent);
  transition: box-shadow var(--frame-dur, var(--dur-m)) var(--frame-ease, var(--ease-spring));
}

.gold-frame:hover,
.gold-frame:focus-within {
  --frame: var(--frame-color, var(--color-gold));
}

/* --------------------------------------------------------------------------
   6. KPI Stat Strips, Step Cards & Check Lists
   -------------------------------------------------------------------------- */
.is-stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (min-width: 64rem) {
  .is-stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .is-stat-strip--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .is-stat-strip--6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

.is-stat-item {
  background-color: var(--color-white);
  padding: 1.375rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

@media (min-width: 64rem) {
  .is-stat-item {
    padding: 1.75rem 1.5rem;
  }
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-stat-strip,
.is-section--ink .is-stat-strip,
.is-section--ink-grad .is-stat-strip {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.12);
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-stat-item,
.is-section--ink .is-stat-item,
.is-section--ink-grad .is-stat-item {
  background-color: #151517;
}

.is-stat-value {
  font-size: 1.75rem;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--color-text);
}

@media (min-width: 64rem) {
  .is-stat-value {
    font-size: 2.5rem;
  }
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-stat-value,
.is-section--ink .is-stat-value,
.is-section--ink-grad .is-stat-value,
.is-card--dark .is-stat-value {
  color: var(--color-white);
}

.is-stat-label {
  font-size: 0.875rem;
  line-height: 1.375rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-stat-label,
.is-section--ink .is-stat-label,
.is-section--ink-grad .is-stat-label,
.is-card--dark .is-stat-label {
  color: rgba(255, 255, 255, 0.66);
}

/* Process / Implementation Steps */
.is-step-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  list-style: none;
  padding: 0;
}

@media (min-width: 48rem) {
  .is-step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 64rem) {
  .is-step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.375rem;
  }
  .is-step-list--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.is-step-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  padding: 1.625rem;
}

.is-section--white .is-step-card {
  background-color: var(--color-surface);
}

.is-section--ink .is-step-card,
.is-section--ink-grad .is-step-card {
  background-color: #161618;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.is-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  background-color: var(--color-ink);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.is-section--ink .is-step-num,
.is-section--ink-grad .is-step-num,
.is-card--dark .is-step-num {
  background-color: rgba(217, 184, 74, 0.16);
  border: 1px solid rgba(217, 184, 74, 0.35);
  color: var(--color-gold);
}

.is-step-ghost,
.is-ai-ghost-num,
.is-ghost-num {
  font-size: 3.5rem;
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: #75757d;
  opacity: 1;
  transition: color var(--dur-m) ease;
}

.is-step-card:hover .is-step-ghost {
  color: #5c4706;
}

:is(
  .is-card--dark,
  .is-price-card--featured,
  .is-live-lab,
  .is-audit-card,
  .is-form-card--dark,
  .is-section--ink .is-step-card:not(.is-card--white):not(.is-card--surface),
  .is-section--ink-grad .is-step-card:not(.is-card--white):not(.is-card--surface),
  .is-step-card--dark
) :is(.is-step-ghost, .is-ai-ghost-num, .is-ghost-num, .type-number-ghost) {
  color: rgba(255, 255, 255, 0.58) !important;
  opacity: 1 !important;
}

/* Check List (works with plain <li> text or nested markup) */
.is-check-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.is-check-list > li {
  position: relative;
  padding-left: 1.875rem;
  font-size: 0.875rem;
  line-height: 1.375rem;
  color: inherit;
}

.is-check-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background-color: var(--color-gold-soft);
  border: 1px solid var(--color-gold-border);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.8 8.3L6.6 11.1L12.3 5.2' stroke='%235c4706' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 0.75rem 0.75rem;
}

.is-hero:not(.is-hero--light):not(.is-section--white):not(.is-section--surface) .is-check-list > li::before,
.is-section--ink :not(.is-card--white):not(.is-card--surface) > .is-check-list > li::before,
.is-section--ink-grad :not(.is-card--white):not(.is-card--surface) > .is-check-list > li::before,
.is-card--dark .is-check-list > li::before,
.is-price-card--featured .is-check-list > li::before,
.is-live-lab .is-check-list > li::before,
.is-audit-card .is-check-list > li::before,
.is-form-card--dark .is-check-list > li::before {
  background-color: rgba(217, 184, 74, 0.16);
  border-color: rgba(217, 184, 74, 0.4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.8 8.3L6.6 11.1L12.3 5.2' stroke='%23e2c35a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   7. 2-Column Sticky FAQ (internetstars.pl lg:grid-cols-[27.5rem_1fr])
   -------------------------------------------------------------------------- */
.is-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  align-items: start;
}

@media (min-width: 64rem) {
  .is-faq-layout {
    grid-template-columns: 27.5rem minmax(0, 1fr);
    gap: 2.5rem;
  }
  .is-faq-intro {
    position: sticky;
    top: 6.5rem;
  }
}

.is-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

details.is-faq {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  color: var(--color-text);
  transition:
    background-color var(--dur-s) ease,
    border-color var(--dur-s) ease;
}

.is-section--surface details.is-faq {
  background-color: var(--color-white);
}

details.is-faq[open] {
  background-color: var(--color-surface);
  border-color: var(--color-surface-hover);
}

.is-section--surface details.is-faq[open] {
  background-color: var(--color-white);
  border-color: var(--color-gold-border);
}

details.is-faq > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1875rem 1.25rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.3;
  font-weight: 650;
  color: var(--color-text);
  outline: none;
  border-radius: var(--radius-lg);
}

details.is-faq > summary::-webkit-details-marker {
  display: none;
}

details.is-faq > summary:focus-visible {
  box-shadow: 0 0 0 3px rgba(217, 184, 74, 0.5);
}

/* Automatic + icon circle even if subpage omits explicit icon span */
details.is-faq > summary::after {
  content: "";
  width: 2.125rem;
  height: 2.125rem;
  border-radius: 999px;
  flex-shrink: 0;
  background-color: var(--color-surface-hover);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230f0f0f' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M5 12h14M12 5v14'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--dur-s) ease, background-color var(--dur-s) ease;
}

details.is-faq > summary:has(.is-faq__icon)::after {
  display: none;
}

details.is-faq[open] > summary::after {
  background-color: var(--color-ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M5 12h14M12 5v14'/%3E%3C/svg%3E");
  transform: rotate(45deg);
}

.is-faq__icon {
  width: 2.125rem;
  height: 2.125rem;
  border-radius: 999px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface-hover);
  color: var(--color-ink);
  transition: background-color var(--dur-s) ease, color var(--dur-s) ease;
}

.is-faq__icon svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--dur-s) ease;
}

details.is-faq[open] .is-faq__icon {
  background-color: var(--color-ink);
  color: var(--color-white);
}

details.is-faq[open] .is-faq__icon svg {
  transform: rotate(45deg);
}

@media (min-width: 64rem) {
  details.is-faq > summary {
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5rem;
    font-weight: 600;
  }
}

.is-faq__body,
details.is-faq > p {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.375rem;
  color: #555555;
}

@media (min-width: 64rem) {
  .is-faq__body,
  details.is-faq > p {
    padding: 0 1.5rem 1.375rem;
    font-size: 0.875rem;
  }
}

/* Dark FAQ variant */
.is-section--ink details.is-faq,
.is-section--ink-grad details.is-faq {
  background-color: #161618;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.is-section--ink details.is-faq > summary,
.is-section--ink-grad details.is-faq > summary {
  color: var(--color-white);
}

.is-section--ink .is-faq__body,
.is-section--ink details.is-faq > p {
  color: rgba(255, 255, 255, 0.72);
}

/* --------------------------------------------------------------------------
   8. Consultation Form (.is-form-card, .is-field, .is-input)
   -------------------------------------------------------------------------- */
.is-form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
  padding: 1.625rem;
  color: var(--color-text);
  box-shadow: 0 18px 50px -24px rgba(15, 15, 15, 0.08);
}

@media (min-width: 64rem) {
  .is-form-card {
    padding: 2.375rem;
  }
}

.is-form-card--dark {
  background-color: #161619;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.is-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

@media (min-width: 40rem) {
  .is-form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.is-field,
.is-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.is-field label,
.is-form-field label,
.is-label {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.is-form-card--dark .is-field label,
.is-form-card--dark .is-form-field label,
.is-form-card--dark .is-label {
  color: rgba(255, 255, 255, 0.88);
}

.is-input,
.is-textarea,
.is-select,
.is-form-field input,
.is-form-field textarea,
.is-form-field select {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line-strong);
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 0.75rem 0.9375rem;
  font-size: 0.875rem;
  line-height: 1.375rem;
  outline: none;
  transition: border-color var(--dur-s) ease, background-color var(--dur-s) ease, box-shadow var(--dur-s) ease;
}

.is-input,
.is-form-field input {
  height: 2.875rem;
}

.is-textarea,
.is-form-field textarea {
  min-height: 6.75rem;
  resize: vertical;
}

.is-input::placeholder,
.is-textarea::placeholder,
.is-form-field input::placeholder,
.is-form-field textarea::placeholder {
  color: #8c8c8c;
}

.is-input:focus,
.is-textarea:focus,
.is-select:focus,
.is-form-field input:focus,
.is-form-field textarea:focus,
.is-form-field select:focus {
  background-color: var(--color-white);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(217, 184, 74, 0.25);
}

.is-form-legal,
.is-ai-form-legal {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

.is-form-legal a,
.is-ai-form-legal a {
  text-decoration: underline;
  color: var(--color-text);
}

.is-form-card button[type="submit"] .is-bubble,
.is-form-card button[type="submit"] .is-arrow {
  display: none;
}

.is-form-card--dark .is-input,
.is-form-card--dark .is-textarea,
.is-form-card--dark .is-select {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-white);
}

.is-form-card--dark .is-input:focus,
.is-form-card--dark .is-textarea:focus,
.is-form-card--dark .is-select:focus {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-gold);
}

.is-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-text-muted);
  cursor: pointer;
}

.is-consent input[type="checkbox"] {
  margin-top: 0.15rem;
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-gold);
  flex-shrink: 0;
}

.is-form-status {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  display: none;
}

.is-form-status:not(:empty) {
  display: block;
  padding: 0.75rem 1rem;
}

.is-form-status.is-success {
  background-color: rgba(217, 184, 74, 0.14);
  border: 1px solid rgba(217, 184, 74, 0.42);
  color: var(--color-text);
}

.is-form-card--dark .is-form-status.is-success {
  color: var(--color-gold);
}

.is-form-status.is-error {
  background-color: rgba(228, 0, 20, 0.08);
  border: 1px solid rgba(228, 0, 20, 0.25);
  color: #b91c1c;
}

.is-form-card--dark .is-form-status.is-error {
  color: #fca5a5;
}

/* --------------------------------------------------------------------------
   9. Floating Glass Navigation Shell (.is-header-wrap, .is-topbar, .is-navbar)
   -------------------------------------------------------------------------- */
#is-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
}

.is-header-wrap {
  position: fixed;
  top: 0.75rem;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
}

@media (min-width: 64rem) {
  .is-header-wrap {
    top: 1rem;
  }
}

.is-header-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter-inline);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* Top Announcement / Free PDF Report Bar */
.is-topbar {
  --bar-w: var(--container-max);
  pointer-events: auto;
  width: 100%;
  max-width: var(--bar-w);
  margin-inline: auto;
  min-height: 2.5rem;
  padding: 0.375rem 0.75rem 0.375rem 1rem;
  border-radius: var(--radius-sm);
  background-color: rgba(15, 15, 17, 0.88);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
  border: 1px solid rgba(255, 255, 255, 0.11);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  line-height: 1rem;
  transition: max-width 0.38s var(--ease-expo), background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
}

.is-topbar[hidden] {
  display: none !important;
}

.is-topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--dur-s) ease;
}

.is-topbar__link:hover {
  color: var(--color-gold);
}

.is-topbar__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background-color: rgba(217, 184, 74, 0.18);
  border: 1px solid rgba(217, 184, 74, 0.36);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.is-topbar__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.is-topbar__cta {
  font-weight: 700;
  color: var(--color-gold);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 47.99rem) {
  .is-topbar__cta {
    display: none;
  }
}

.is-topbar__close {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--dur-s) ease, color var(--dur-s) ease;
}

.is-topbar__close:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* Main Floating Glass Navbar */
.is-navbar {
  --bar-w: var(--container-max);
  pointer-events: auto;
  position: relative;
  height: 4.125rem;
  width: 100%;
  max-width: var(--bar-w);
  margin-inline: auto;
  padding-inline: 1.125rem;
  border-radius: var(--radius-md);
  background-color: rgba(15, 15, 17, 0.80);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: 0 12px 36px -16px rgba(0, 0, 0, 0.45);
  transition:
    max-width 0.38s var(--ease-expo),
    background-color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.is-header-wrap.is-scrolled .is-navbar,
.is-header-wrap.is-scrolled .is-topbar {
  --bar-w: var(--container-bar);
}

.is-header-wrap.is-scrolled .is-navbar {
  background-color: rgba(15, 15, 17, 0.92);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 18px 42px -14px rgba(0, 0, 0, 0.65);
}

/* Adaptive Light Glass Header Variant (all subpages: data-hero-theme="light") */
.is-header-wrap--light .is-topbar {
  background-color: rgba(255, 255, 255, 0.92);
  border-color: #e6e6e8;
  color: #111111;
  box-shadow: 0 8px 24px -14px rgba(15, 15, 15, 0.08);
}

.is-header-wrap--light .is-topbar__link {
  color: #222222;
}

.is-header-wrap--light .is-topbar__link:hover {
  color: var(--color-text-accent);
}

.is-header-wrap--light .is-topbar__tag {
  background-color: rgba(217, 184, 74, 0.18);
  border-color: rgba(217, 184, 74, 0.44);
  color: #7a5e0d;
}

.is-header-wrap--light .is-topbar__cta {
  color: var(--color-text-accent);
}

.is-header-wrap--light .is-topbar__close {
  color: #666666;
}

.is-header-wrap--light .is-topbar__close:hover {
  background-color: #f2f2f4;
  color: #111111;
}

.is-header-wrap--light .is-navbar {
  background-color: rgba(255, 255, 255, 0.90);
  border-color: #e6e6e8;
  color: #111111;
  box-shadow: 0 12px 36px -18px rgba(15, 15, 15, 0.10);
}

.is-header-wrap--light.is-scrolled .is-navbar {
  background-color: rgba(255, 255, 255, 0.96);
  border-color: #dcdce0;
  box-shadow: 0 18px 42px -16px rgba(15, 15, 15, 0.14);
}

.is-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  outline: none;
  border-radius: 0.5rem;
}

.is-brand:focus-visible {
  box-shadow: 0 0 0 3px rgba(217, 184, 74, 0.55);
}

.is-brand__logo {
  height: 1.375rem;
  width: auto;
  flex-shrink: 0;
}

.is-brand__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.48rem;
  border-radius: 0.375rem;
  background-color: rgba(217, 184, 74, 0.16);
  border: 1px solid rgba(217, 184, 74, 0.36);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.is-header-wrap--light .is-brand__badge {
  background-color: rgba(217, 184, 74, 0.16);
  border-color: rgba(217, 184, 74, 0.45);
  color: #7a5e0d;
}

/* Desktop Nav Links */
.is-nav {
  display: none;
}

@media (min-width: 64rem) {
  .is-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

@media (min-width: 75rem) {
  .is-nav {
    gap: 0.6875rem;
  }
}

.is-nav__item {
  position: relative;
}

.is-nav__link,
.is-nav__trigger {
  height: 2.375rem;
  padding-inline: 0.875rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.90);
  cursor: pointer;
  transition: background-color var(--dur-s) ease, color var(--dur-s) ease;
}

.is-nav__link:hover,
.is-nav__trigger:hover,
.is-nav__trigger[aria-expanded="true"] {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.is-nav__link.is-active,
.is-nav__trigger.is-active {
  color: var(--color-gold);
}

.is-header-wrap--light .is-nav__link,
.is-header-wrap--light .is-nav__trigger {
  color: #1f1f22;
}

.is-header-wrap--light .is-nav__link:hover,
.is-header-wrap--light .is-nav__trigger:hover,
.is-header-wrap--light .is-nav__trigger[aria-expanded="true"] {
  background-color: #f3f3f5;
  color: #0f0f0f;
}

.is-header-wrap--light .is-nav__link.is-active,
.is-header-wrap--light .is-nav__trigger.is-active {
  color: var(--color-text-accent);
}

.is-nav__chevron {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
  transition: transform var(--dur-s) ease;
}

.is-nav__trigger[aria-expanded="true"] .is-nav__chevron {
  transform: rotate(180deg);
}

/* Mega Dropdown Panel (1:1 internetstars.pl clean & opaque popup) */
.is-mega {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-36%) translateY(6px);
  width: max-content;
  min-width: 42rem;
  max-width: calc(100vw - 2.25rem);
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-xl);
  background: #121215;
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.62);
  display: grid;
  grid-template-columns: minmax(17.5rem, 1fr) minmax(17.5rem, 1fr);
  column-gap: 2.5rem;
  row-gap: 1.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.22s var(--ease-expo), visibility 0.2s;
}

/* Invisible hover bridge between trigger button and popup */
.is-mega::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -0.9rem;
  height: 0.9rem;
}

.is-header-wrap--light .is-mega {
  background: #ffffff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid #ececec;
  box-shadow: 0 24px 60px rgba(15, 15, 15, 0.12);
}

.is-mega.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-36%) translateY(0);
}

.is-mega__col {
  min-width: 17.5rem;
  display: flex;
  flex-direction: column;
}

.is-mega__group-title {
  font-size: 0.75rem;
  line-height: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  padding-inline: 0.75rem;
  white-space: nowrap;
}

.is-header-wrap--light .is-mega__group-title {
  color: var(--color-text-accent);
}

.is-mega__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.is-mega__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.6875rem 0.75rem;
  border-radius: 0.625rem;
  transition: background-color var(--dur-s) ease;
}

.is-mega__link:hover,
.is-mega__link:focus-visible {
  background-color: rgba(255, 255, 255, 0.07);
}

.is-mega__link.is-active {
  background-color: rgba(217, 184, 74, 0.12);
}

.is-header-wrap--light .is-mega__link:hover,
.is-header-wrap--light .is-mega__link:focus-visible {
  background-color: #f6f6f7;
}

.is-header-wrap--light .is-mega__link.is-active {
  background-color: rgba(217, 184, 74, 0.14);
}

.is-mega__body {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
}

.is-mega__title {
  display: block;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  white-space: nowrap;
}

.is-header-wrap--light .is-mega__title {
  color: #111111;
}

.is-mega__desc {
  display: block;
  font-size: 0.75rem;
  line-height: 1rem;
  color: rgba(255, 255, 255, 0.58);
  white-space: nowrap;
}

.is-header-wrap--light .is-mega__desc {
  color: #666666;
}

.is-mega__dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 999px;
  background-color: var(--color-gold);
  opacity: 0;
  transform: scale(0.6);
  flex-shrink: 0;
  transition: opacity var(--dur-s) ease, transform var(--dur-s) var(--ease-spring);
}

.is-mega__link:hover .is-mega__dot,
.is-mega__link:focus-visible .is-mega__dot,
.is-mega__link.is-active .is-mega__dot {
  opacity: 1;
  transform: scale(1);
}

.is-mega__footer {
  grid-column: 1 / -1;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.75rem;
  line-height: 1rem;
  color: rgba(255, 255, 255, 0.66);
}

.is-header-wrap--light .is-mega__footer {
  border-top-color: #ececec;
  color: #555555;
}

.is-mega__footer-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  flex-shrink: 0;
}

.is-mega__footer a {
  color: var(--color-gold);
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.is-header-wrap--light .is-mega__footer a {
  color: #111111;
}

.is-header-wrap--light .is-mega__footer a:hover {
  color: var(--color-text-accent);
}

.is-mega__footer a:hover {
  text-decoration: underline;
}

/* Navbar Right Actions & Mobile Trigger */
.is-navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

@media (min-width: 64rem) {
  /* Reserve space inside navbar for CTA gooey bubble on desktop */
  .is-navbar__actions .is-btn:not([data-no-bubble]) {
    margin-inline-end: 2.35rem;
  }
}

.is-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--color-white);
  cursor: pointer;
}

.is-header-wrap--light .is-burger {
  border-color: #dedede;
  background-color: #ffffff;
  color: #111111;
}

@media (min-width: 64rem) {
  .is-burger {
    display: none;
  }
}

@media (max-width: 35.99rem) {
  .is-navbar__actions .is-btn {
    display: none;
  }
}

/* Mobile Drawer */
.is-mobile-drawer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1010;
  background-color: rgba(10, 10, 11, 0.96);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
  color: var(--color-white);
  padding: 1.25rem var(--gutter-inline) 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.28s var(--ease-expo), visibility 0.25s;
}

.is-mobile-drawer.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.is-mobile-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.is-mobile-drawer__section-label {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 0.5rem;
}

.is-mobile-drawer__links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.is-mobile-drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.875rem;
  border-radius: 0.625rem;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.875rem;
  line-height: 1.375rem;
  font-weight: 600;
}

.is-mobile-drawer__link.is-active {
  border-color: var(--color-gold);
  background-color: rgba(217, 184, 74, 0.12);
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   10. Dark Gradient Footer (.is-footer - exact internetstars.pl)
   -------------------------------------------------------------------------- */
.is-footer {
  background: linear-gradient(to bottom, #292929 0%, #0f0f0f 35%);
  color: var(--color-white);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 64rem) {
  .is-footer {
    padding-top: 6rem;
    padding-bottom: 3rem;
  }
}

.is-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}

@media (min-width: 48rem) {
  .is-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .is-footer__grid {
    grid-template-columns: 1.25fr 1.05fr 1fr 1.05fr;
    gap: 2rem;
  }
}

.is-footer__heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 1rem;
}

.is-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.is-footer__link {
  display: inline-block;
  padding-block: 0.125rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.86);
  transition: color var(--dur-s) ease;
}

.is-footer__link:hover {
  color: var(--color-gold);
}

.is-footer__proof-bar {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 64rem) {
  .is-footer__proof-bar {
    margin-top: 4rem;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.is-footer__ratings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
}

.is-rating-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.875rem;
  border-radius: 0.75rem;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: border-color var(--dur-s) ease, background-color var(--dur-s) ease;
}

.is-rating-pill:hover {
  border-color: rgba(217, 184, 74, 0.45);
  background-color: rgba(255, 255, 255, 0.07);
}

.is-stars {
  color: var(--color-gold);
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.is-socials {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.is-socials a {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--color-white);
  transition: color var(--dur-s) ease, border-color var(--dur-s) ease, background-color var(--dur-s) ease;
}

.is-socials a:hover {
  color: var(--color-gold);
  border-color: rgba(217, 184, 74, 0.45);
  background-color: rgba(217, 184, 74, 0.1);
}

.is-footer__bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 0.75rem;
  line-height: 1rem;
  color: rgba(255, 255, 255, 0.68);
}

@media (min-width: 48rem) {
  .is-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.is-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.is-footer__legal a:hover {
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   11. Specialized internetstars.pl Showcase & Hospitality Components
   -------------------------------------------------------------------------- */

/* Hero Showcase Frame */
.is-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 64rem) {
  .is-hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3rem;
  }
}

.is-hero-visual {
  position: relative;
  aspect-ratio: 16 / 12.5;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background-color: #161619;
  box-shadow: 0 32px 80px -24px rgba(0, 0, 0, 0.85);
}

.is-hero--light .is-hero-visual,
.is-hero.is-section--white .is-hero-visual,
.is-hero.is-section--surface .is-hero-visual {
  border-color: var(--color-line-strong);
  box-shadow: 0 28px 64px -24px rgba(15, 15, 15, 0.18);
}

.is-hero-visual img,
.is-hero-visual video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.is-hero-overlay-card {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 1rem 1.125rem;
  border-radius: var(--radius-lg);
  background-color: rgba(15, 15, 15, 0.78);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--color-white);
}

/* internetstars.pl Case / Product Visual Card (dark image + frosted bottom bar + 40px arrow) */
.is-case-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 22rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-ink);
  color: var(--color-white);
  border: 1px solid rgba(15, 15, 15, 0.08);
}

.is-case-card--wide {
  min-height: 25rem;
}

.is-case-card__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-expo);
}

.is-case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(15, 15, 15, 0.12) 0%, rgba(15, 15, 15, 0.62) 58%, rgba(15, 15, 15, 0.92) 100%);
}

.is-case-card:hover .is-case-card__media {
  transform: scale(1.04);
}

.is-case-card__bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(15, 15, 15, 0.24) 0%, rgba(15, 15, 15, 0.68) 100%);
  backdrop-filter: blur(0.875rem);
  -webkit-backdrop-filter: blur(0.875rem);
}

.is-case-card__arrow {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background-color: var(--color-white);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.45s var(--ease-expo), transform 0.45s var(--ease-expo);
}

.is-case-card:hover .is-case-card__arrow {
  background-color: var(--color-gold);
  transform: translate(2px, -2px);
}

/* Interactive 23-Language & Parallel Calls Lab */
.is-live-lab {
  border-radius: var(--radius-2xl);
  background-color: var(--color-ink);
  color: var(--color-white);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

@media (min-width: 64rem) {
  .is-live-lab {
    padding: 2.25rem;
  }
}

.is-lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.is-lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.5rem;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: all var(--dur-s) ease;
}

.is-lang-chip:hover,
.is-lang-chip.is-active {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-ink);
}

.is-call-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.875rem;
  line-height: 1.375rem;
}

/* Audio Scenario Demo Cards */
.is-audio-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background-color: var(--color-ink);
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--dur-s) var(--ease-spring), background-color var(--dur-s) ease, color var(--dur-s) ease;
}

.is-audio-btn:hover,
.is-audio-card.is-playing .is-audio-btn {
  background-color: var(--color-gold);
  color: var(--color-ink);
  transform: scale(1.06);
}

.is-audio-progress {
  height: 0.35rem;
  width: 100%;
  border-radius: 999px;
  background-color: var(--color-line);
  overflow: hidden;
}

.is-audio-progress__bar {
  height: 100%;
  width: 0%;
  background-color: var(--color-gold);
  transition: width 0.15s linear;
}

/* Comparison Table (Analiza vs Działanie) */
.is-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
}

.is-compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 38rem;
  text-align: left;
  font-size: 0.875rem;
}

.is-compare-table th,
.is-compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.is-compare-table thead th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
}

.is-compare-table th.is-highlight-col,
.is-compare-table td.is-highlight-col {
  background-color: rgba(217, 184, 74, 0.09);
  font-weight: 600;
}

.is-compare-table thead th.is-highlight-col {
  background-color: var(--color-ink);
  color: var(--color-gold);
}

.is-compare-table tr:last-child td {
  border-bottom: 0;
}

/* Team Cards (internetstars.pl grayscale -> color + .gold-frame) */
.is-team-track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.125rem;
}

@media (min-width: 48rem) {
  .is-team-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 64rem) {
  .is-team-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.375rem;
  }
}

.is-team-card {
  display: flex;
  flex-direction: column;
}

.is-team-card__photo {
  position: relative;
  aspect-ratio: 4 / 3.2;
  border-radius: 0.875rem;
  overflow: hidden;
  background-color: #111113;
}

.is-team-card__photo picture {
  display: block;
  width: 100%;
  height: 100%;
}

.is-team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 0%;
  transform: translateY(-10.5%) scale(1.14);
  transform-origin: 50% 0%;
  filter: grayscale(100%);
  transition: filter 0.5s var(--ease-expo), transform 0.6s var(--ease-expo);
}

.is-team-card:hover .is-team-card__photo img {
  filter: grayscale(0%);
  transform: translateY(-10.5%) scale(1.17);
}

.is-team-card__photo--clean img {
  object-position: 50% 14%;
  transform: scale(1.02);
  transform-origin: 50% 20%;
}

.is-team-card:hover .is-team-card__photo--clean img {
  transform: scale(1.05);
}

.is-team-card:hover .gold-frame {
  --frame: var(--color-gold);
}

/* Unified Expert Contact Card & Circular Avatar (Klaudia Paluch) */
.is-expert-card:has(> .is-expert-avatar),
.is-expert-card--inline,
.is-contact-person-card,
.is-ai-contact-person {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.125rem;
  text-align: left;
}

@media (max-width: 28rem) {
  .is-expert-card:has(> .is-expert-avatar),
  .is-expert-card--inline,
  .is-contact-person-card,
  .is-ai-contact-person {
    flex-wrap: wrap;
  }
}

.is-expert-card--inline {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  color: var(--color-text);
}

.is-expert-avatar {
  width: 4rem;
  height: 4rem;
  min-width: 4rem;
  max-width: 4rem;
  min-height: 4rem;
  max-height: 4rem;
  flex: 0 0 4rem;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(217, 184, 74, 0.5);
  background: #ffffff;
  position: relative;
}

.is-expert-avatar picture {
  display: block;
  width: 100%;
  height: 100%;
}

.is-expert-avatar img,
.is-contact-person-card .is-expert-avatar img,
.is-ai-contact-person .is-expert-avatar img {
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  border-radius: 0 !important;
  border: 0 !important;
  object-fit: cover !important;
  object-position: 50% 18% !important;
  transform: scale(1.25);
  transform-origin: 50% 22%;
  display: block;
}

.is-expert-avatar img[src*="klaudia-footer-new"],
.is-contact-person-card .is-expert-avatar img[src*="klaudia-footer-new"],
.is-ai-contact-person .is-expert-avatar img[src*="klaudia-footer-new"] {
  object-position: 50% 0% !important;
  transform-origin: 74% 34.5% !important;
  transform: translate(-24%, 12%) scale(2.15) !important;
}

/* Partner Logo Grid */
.is-partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.875rem;
}

@media (min-width: 48rem) {
  .is-partner-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.is-partner-tile {
  height: 5.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-s) ease, transform var(--dur-s) ease;
}

.is-partner-tile img {
  max-height: 2.35rem;
  max-width: 8.5rem;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.78;
  transition: filter var(--dur-s) ease, opacity var(--dur-s) ease;
}

.is-partner-tile:hover {
  border-color: var(--color-gold-border);
  transform: translateY(-2px);
}

.is-partner-tile:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Podcast / Video Equalizer Bars (internetstars.pl) */
@keyframes is-podcast-eq {
  0%, 100% { transform: scaleY(0.28); }
  50% { transform: scaleY(1); }
}

.is-eq {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 1.125rem;
}

.is-eq span {
  width: 3px;
  height: 100%;
  border-radius: 999px;
  background-color: var(--color-gold);
  transform-origin: bottom;
  animation: is-podcast-eq 1.1s ease-in-out infinite;
}

.is-eq span:nth-child(2) { animation-delay: 0.18s; }
.is-eq span:nth-child(3) { animation-delay: 0.36s; }
.is-eq span:nth-child(4) { animation-delay: 0.12s; }

/* Office Cards (Łódź & Londyn) */
.is-office-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  background:
    radial-gradient(circle at 72% 30%, rgba(217, 184, 74, 0.16), transparent 52%),
    linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 14rem;
}

.is-office-card__pin {
  width: 2.75rem;
  height: 3.5rem;
}

.is-office-card__go {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background-color: var(--color-ink);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.45s var(--ease-spring), background-color 0.25s ease, color 0.25s ease;
}

.is-office-card:hover .is-office-card__go {
  background-color: var(--color-gold);
  color: var(--color-ink);
  transform: scale(1.08);
}

/* Scroll Reveal ([data-reveal] - full opacity for 100% axe contrast & zero LCP delay) */
[data-reveal] {
  opacity: 1;
  transform: translateY(12px);
  transition: transform 0.55s var(--ease-expo);
}

.is-hero [data-reveal],
.is-hero--light [data-reveal],
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Responsive Mini-Stat & Calculator Grids (prevents <120px squeeze on 390px) */
.is-mini-stats-3 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
}

@media (min-width: 36rem) {
  .is-mini-stats-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.is-calc-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

@media (min-width: 30rem) {
  .is-calc-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Spacing & Flex Utilities for Subpages */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.w-fit { width: fit-content; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }