/* =============================================================
   Yevhenii Vasyliuk — Spécialiste en présence numérique
   style.css | Cascade layers: reset → tokens → base → components → utilities
   ============================================================= */

@layer reset, tokens, base, components, utilities;

/* ── RESET ──────────────────────────────────────────────────── */
@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    hanging-punctuation: first last;
  }

  @media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
  }

  body {
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

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

  input, button, textarea, select {
    font: inherit;
    border: none;
    background: none;
  }

  p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
  }

  ul, ol {
    list-style: none;
  }

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

  button {
    cursor: pointer;
  }

  :focus-visible {
    outline: 3px solid var(--brand-primary);
    outline-offset: 3px;
    border-radius: var(--r-sm);
  }

  [popover] {
    /* Reset UA defaults for all popovers */
    inset: auto;
    margin: 0;
    border: none;
    padding: 0;
    background: none;
    color: inherit;
    overflow: visible;
  }
}

/* ── TOKENS ─────────────────────────────────────────────────── */
@layer tokens {
  :root {
    /* Colors — strict OKLCH */
    --bg-main:          oklch(98% 0.01 250);
    --bg-alt:           oklch(96% 0.015 250);
    --surface:          oklch(100% 0 0);
    --border:           oklch(90% 0.01 250);
    --text-primary:     oklch(25% 0.02 250);
    --text-secondary:   oklch(45% 0.02 250);
    --text-inverse:     oklch(99% 0 0);
    --brand-primary:    oklch(55% 0.18 250);
    --brand-hover:      oklch(48% 0.18 250);
    --brand-light:      oklch(94% 0.04 250);
    --brand-dark:       oklch(28% 0.15 250);
    --accent:           oklch(70% 0.18 35);
    --accent-hover:     oklch(63% 0.18 35);
    --accent-light:     oklch(94% 0.06 35);
    --success:          oklch(60% 0.18 145);
    --error:            oklch(55% 0.22 25);

    /* Fluid typography */
    --fs-xs:    clamp(0.75rem,   0.72rem + 0.12vw, 0.875rem);
    --fs-sm:    clamp(0.875rem,  0.85rem + 0.12vw, 1rem);
    --fs-base:  clamp(1rem,      0.95rem + 0.25vw, 1.125rem);
    --fs-lg:    clamp(1.125rem,  1rem    + 0.5vw,  1.375rem);
    --fs-xl:    clamp(1.375rem,  1.2rem  + 0.75vw, 1.75rem);
    --fs-2xl:   clamp(1.75rem,   1.4rem  + 1.5vw,  2.5rem);
    --fs-3xl:   clamp(2.5rem,    1.5rem  + 3vw,    4rem);

    /* Font stack */
    --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing */
    --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;
    --sp-4: 1rem;     --sp-5: 1.25rem;  --sp-6: 1.5rem;
    --sp-8: 2rem;     --sp-10: 2.5rem;  --sp-12: 3rem;
    --sp-16: 4rem;    --sp-20: 5rem;    --sp-24: 6rem;

    /* Section vertical rhythm */
    --section-gap: clamp(5rem, 8vw, 8rem);

    /* Border radii */
    --r-sm:   0.375rem;
    --r-md:   0.75rem;
    --r-lg:   1.25rem;
    --r-xl:   2rem;
    --r-full: 9999px;

    /* Shadows */
    --sh-xs: 0 1px 2px oklch(0% 0 0 / 6%);
    --sh-sm: 0 1px 6px oklch(0% 0 0 / 8%);
    --sh-md: 0 4px 16px oklch(0% 0 0 / 10%);
    --sh-lg: 0 8px 30px oklch(0% 0 0 / 12%);
    --sh-xl: 0 20px 60px oklch(0% 0 0 / 16%);
    --sh-brand: 0 8px 30px oklch(55% 0.18 250 / 25%);

    /* Easing & duration */
    --ease:       cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in:    cubic-bezier(0.4, 0, 1, 1);
    --t-fast:     150ms;
    --t-base:     250ms;
    --t-slow:     400ms;

    /* Layout */
    --max-w:   1200px;
    --pad-x:   clamp(1rem, 5vw, 3rem);
  }
}

/* ── BASE ────────────────────────────────────────────────────── */
@layer base {
  html {
    font-family: var(--font);
    font-size: var(--fs-base);
    color: var(--text-primary);
    background-color: var(--bg-main);
  }

  body {
    min-height: 100dvh;
    overflow-x: hidden;
  }

  h1, h2, h3, h4 {
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
  }

  h1 { font-size: var(--fs-3xl); font-weight: 800; }
  h2 { font-size: var(--fs-2xl); font-weight: 700; }
  h3 { font-size: var(--fs-xl);  font-weight: 600; }
  h4 { font-size: var(--fs-lg);  font-weight: 600; }

  p {
    color: var(--text-secondary);
    font-size: var(--fs-base);
    line-height: 1.7;
  }

  section {
    padding-block: var(--section-gap);
  }

  .container {
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--pad-x);
  }

  .section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brand-hover);
    background: var(--brand-light);
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--r-full);
    margin-block-end: var(--sp-4);
    border: 1px solid oklch(48% 0.18 250 / 25%);
  }

  .section-header {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-block-end: clamp(3rem, 5vw, 4rem);
  }

  .section-header h2 { margin-block-end: var(--sp-4); }
  .section-header p  { font-size: var(--fs-lg); }
}

/* ── COMPONENTS ──────────────────────────────────────────────── */
@layer components {

  /* ─ Buttons ───────────────────────────────────────────────── */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-8);
    border-radius: var(--r-full);
    font-weight: 600;
    font-size: var(--fs-base);
    line-height: 1;
    /* Fitts's Law: 44pt minimum touch target */
    min-height: 2.75rem;
    min-width: 2.75rem;
    white-space: nowrap;
    transition:
      background var(--t-base) var(--ease),
      border-color var(--t-base) var(--ease),
      transform var(--t-fast) var(--ease),
      box-shadow var(--t-base) var(--ease);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
  }

  .btn:hover { text-decoration: none; }
  .btn:active { transform: scale(0.98); }

  .btn--primary {
    background: var(--brand-primary);
    color: var(--text-inverse);
    border-color: var(--brand-primary);
  }

  .btn--primary:hover {
    background: var(--brand-hover);
    border-color: var(--brand-hover);
    box-shadow: var(--sh-brand);
    transform: translateY(-2px);
  }

  .btn--accent {
    background: var(--accent);
    color: oklch(15% 0.03 250);
    font-weight: 700;
    border-color: var(--accent);
    box-shadow: var(--sh-md);
  }

  .btn--accent:hover {
    background: var(--accent-hover);
    color: oklch(15% 0.03 250);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px oklch(70% 0.18 35 / 35%);
  }

  .btn--ghost {
    background: transparent;
    color: var(--brand-primary);
    border-color: var(--brand-primary);
  }

  .btn--ghost:hover {
    background: var(--brand-light);
    transform: translateY(-2px);
  }

  .btn--lg {
    padding: var(--sp-4) var(--sp-10);
    font-size: var(--fs-lg);
    min-height: 3.5rem;
  }

  .btn--sm {
    padding: var(--sp-2) var(--sp-5);
    font-size: var(--fs-sm);
    min-height: 2.25rem;
  }

  .btn--full { width: 100%; }

  /* ─ Site Header (Dynamic Island / Notch Style) ────────────── */
  .site-header {
    position: fixed;
    top: 1.25rem;
    left: 0;
    right: 0;
    z-index: 100;
    pointer-events: none;
  }

  .site-header__inner {
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: clamp(0.75rem, 1.5vw, 1rem);
    padding-inline: clamp(1.25rem, 4vw, 2.25rem);
    max-width: 980px;
    width: calc(100% - clamp(1.5rem, 4vw, 2.5rem));
    margin-inline: auto;
    background: oklch(97% 0.015 250 / 48%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid oklch(55% 0.18 250 / 12%);
    border-top-color: oklch(100% 0 0 / 65%);
    border-radius: var(--r-full);
    box-shadow: 
      0 1px 2px oklch(55% 0.18 250 / 4%),
      0 8px 24px oklch(55% 0.18 250 / 8%),
      0 24px 60px oklch(0% 0 0 / 5%);
    transition:
      max-width var(--t-base) var(--ease),
      padding-block var(--t-base) var(--ease),
      padding-inline var(--t-base) var(--ease),
      background var(--t-base) var(--ease),
      border-color var(--t-base) var(--ease),
      box-shadow var(--t-base) var(--ease);
  }

  .site-header.is-scrolled .site-header__inner {
    max-width: 820px;
    padding-block: 0.65rem;
    padding-inline: clamp(1.15rem, 3.5vw, 1.75rem);
    background: oklch(96% 0.02 250 / 58%);
    border-color: oklch(55% 0.18 250 / 22%);
    border-top-color: oklch(100% 0 0 / 70%);
    box-shadow: 
      0 1px 2px oklch(55% 0.18 250 / 6%),
      0 12px 30px oklch(55% 0.18 250 / 12%);
  }

  .site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
  }

  .site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform var(--t-fast) var(--ease);
  }

  .site-logo:hover {
    transform: translateY(-1px);
    text-decoration: none;
  }

  .site-logo__mark {
    width: 2.25rem;
    height: 2.25rem;
    background: linear-gradient(135deg, var(--brand-primary), var(--accent));
    border-radius: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    box-shadow: 0 4px 10px oklch(55% 0.18 250 / 25%);
    transition: box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
  }

  .site-logo:hover .site-logo__mark {
    transform: scale(1.05);
    box-shadow: 0 6px 14px oklch(55% 0.18 250 / 35%);
  }

  .site-logo__name {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.1rem;
  }

  .site-logo__first {
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
    letter-spacing: -0.01em;
  }

  .site-logo__last {
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
  }

  /* Desktop nav */
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
  }

  .site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
  }

  .site-nav__link {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--t-fast) var(--ease);
    position: relative;
    text-decoration: none;
    padding-block: var(--sp-1);
  }

  .site-nav__link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-primary);
    border-radius: var(--r-full);
    transition: width var(--t-base) var(--ease);
  }

  .site-nav__link:hover { color: var(--brand-primary); text-decoration: none; }
  .site-nav__link:hover::after { width: 100%; }

  /* Language switcher link button */
  .lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: var(--r-full);
    padding: var(--sp-1) var(--sp-3);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition:
      background var(--t-fast) var(--ease),
      border-color var(--t-fast) var(--ease),
      color var(--t-fast) var(--ease);
    letter-spacing: 0.05em;
  }

  .lang-btn:hover {
    background: var(--brand-light);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    text-decoration: none;
  }

  /* Liquid Glass Custom Language Selector */
  .lang-selector {
    position: relative;
    display: inline-block;
  }

  /* Liquid Glass Trigger Capsule */
  .lang-selector__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.28) 100%
    );
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: var(--r-full);
    padding: 0.45rem 0.95rem;
    min-height: 40px;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: 
      0 4px 14px rgba(0, 18, 48, 0.08),
      inset 0 1px 1.5px rgba(255, 255, 255, 0.95),
      inset 0 -1px 1.5px rgba(0, 0, 0, 0.04);
    transition:
      background 0.25s var(--ease),
      border-color 0.25s var(--ease),
      box-shadow 0.25s var(--ease),
      transform 0.2s var(--ease);
    letter-spacing: 0.05em;
  }

  .lang-selector__trigger:hover {
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(255, 255, 255, 0.52) 100%
    );
    border-color: rgba(0, 102, 255, 0.45);
    box-shadow:
      0 8px 24px rgba(0, 102, 255, 0.16),
      inset 0 1px 2px rgba(255, 255, 255, 1),
      inset 0 -1px 2px rgba(0, 102, 255, 0.12);
    transform: translateY(-1.5px);
  }

  .lang-selector.is-open .lang-selector__trigger {
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.95) 0%,
      rgba(235, 244, 255, 0.8) 100%
    );
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    box-shadow:
      0 0 0 3.5px rgba(0, 102, 255, 0.18),
      0 8px 24px rgba(0, 102, 255, 0.18),
      inset 0 1px 2px rgba(255, 255, 255, 1);
  }

  .lang-selector__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
  }

  .lang-selector__code {
    font-weight: 800;
    font-size: 0.82rem;
    color: var(--text-primary);
  }

  .lang-selector.is-open .lang-selector__code {
    color: var(--brand-primary);
  }

  .lang-selector__chevron {
    color: var(--text-secondary);
    transition: transform 0.25s var(--ease), color 0.25s var(--ease);
  }

  .lang-selector__trigger:hover .lang-selector__chevron,
  .lang-selector.is-open .lang-selector__chevron {
    color: var(--brand-primary);
  }

  .lang-selector.is-open .lang-selector__chevron {
    transform: rotate(180deg);
  }

  /* Liquid Glass Floating Menu Dropdown */
  .lang-selector__menu {
    position: absolute;
    top: calc(100% + 0.65rem);
    right: 0;
    background: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.85) 0%,
      rgba(255, 255, 255, 0.62) 100%
    );
    backdrop-filter: blur(28px) saturate(210%);
    -webkit-backdrop-filter: blur(28px) saturate(210%);
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: var(--r-xl);
    box-shadow: 
      0 14px 38px rgba(0, 18, 50, 0.16),
      0 2px 10px rgba(0, 0, 0, 0.05),
      inset 0 1px 1.5px rgba(255, 255, 255, 0.95);
    padding: 0.45rem;
    min-width: 172px;
    list-style: none;
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    z-index: 300;
    margin: 0;
  }

  .lang-selector.is-open .lang-selector__menu {
    display: flex;
    animation: liquid-glass-pop 0.24s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  @keyframes liquid-glass-pop {
    from {
      opacity: 0;
      transform: translateY(-10px) scale(0.94);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  .lang-selector__option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 42px;
    padding: 0.5rem 0.85rem;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--r-lg);
    border: 1px solid transparent;
    transition:
      background 0.2s var(--ease),
      border-color 0.2s var(--ease),
      color 0.2s var(--ease),
      transform 0.2s var(--ease);
  }

  .lang-option__name {
    font-weight: 600;
    letter-spacing: 0.01em;
  }

  .lang-option__tag {
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.15rem 0.48rem;
    border-radius: var(--r-full);
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-secondary);
    transition: all 0.2s var(--ease);
  }

  .lang-selector__option:hover {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.95);
    color: var(--brand-primary);
    text-decoration: none;
    transform: translateX(3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  }

  .lang-selector__option:hover .lang-option__tag {
    background: rgba(0, 102, 255, 0.12);
    color: var(--brand-primary);
  }

  .lang-selector__option.active {
    background: linear-gradient(
      135deg,
      rgba(0, 102, 255, 0.92) 0%,
      rgba(0, 68, 214, 0.96) 100%
    );
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
    box-shadow:
      0 6px 18px rgba(0, 102, 255, 0.35),
      inset 0 1px 1px rgba(255, 255, 255, 0.35);
    cursor: default;
  }

  .lang-selector__option.active .lang-option__check {
    color: white;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
  }

  /* Mobile navigation language switcher pill bar */
  .nav-mobile__lang-bar {
    padding-inline: var(--sp-6);
    margin-block: var(--sp-3) var(--sp-5);
  }

  .nav-mobile__lang-label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-block-end: var(--sp-2);
  }

  .nav-mobile__lang-pills {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
    background: var(--bg-alt);
    padding: 0.35rem;
    border-radius: var(--r-full);
    border: 1.5px solid var(--border);
  }

  .nav-lang-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.55rem 0.3rem;
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    transition:
      background var(--t-fast) var(--ease),
      color var(--t-fast) var(--ease),
      box-shadow var(--t-fast) var(--ease);
  }

  .nav-lang-pill:hover {
    color: var(--text-primary);
    text-decoration: none;
  }

  .nav-lang-pill.active {
    background: var(--surface);
    color: var(--brand-primary);
    box-shadow: 0 2px 8px oklch(0% 0 0 / 8%);
  }

  /* Mobile hamburger trigger */
  .nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: var(--r-md);
    transition: background var(--t-fast) var(--ease);
    anchor-name: --hamburger;
  }

  .nav-toggle:hover { background: var(--bg-alt); }

  .nav-toggle__icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
  }

  .nav-toggle__icon span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: var(--r-full);
    transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease), width var(--t-base) var(--ease);
  }

  .nav-toggle__icon span:last-child { width: 65%; }

  /* Mobile nav popover — full-screen overlay */
  #nav-menu {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    max-width: 100%;
    max-height: 100dvh;
    margin: 0;
    background: var(--surface);
    border: none;
    padding: var(--sp-6) var(--pad-x);
    display: none;
    flex-direction: column;
    gap: var(--sp-6);
    z-index: 150;
    overflow-y: auto;
    /* Popover animation */
    translate: 0 -100%;
    opacity: 0;
    transition:
      translate var(--t-slow) var(--ease),
      opacity var(--t-slow) var(--ease),
      display var(--t-slow) var(--ease) allow-discrete,
      overlay var(--t-slow) var(--ease) allow-discrete;
  }

  #nav-menu:popover-open,
  #nav-menu.popover-open {
    display: flex;
    translate: 0 0;
    opacity: 1;
  }

  @starting-style {
    #nav-menu:popover-open {
      translate: 0 -100%;
      opacity: 0;
    }
  }

  .nav-mobile__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block-end: var(--sp-4);
    border-bottom: 1px solid var(--border);
  }

  .nav-mobile__list {
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .nav-mobile__link {
    display: block;
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--text-primary);
    padding-block: var(--sp-4);
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.02em;
    transition:
      color var(--t-fast) var(--ease),
      padding-inline-start var(--t-base) var(--ease);
    text-decoration: none;
  }

  .nav-mobile__link:hover { color: var(--brand-primary); padding-inline-start: var(--sp-3); text-decoration: none; }

  .nav-mobile__cta {
    padding-block-start: var(--sp-6);
  }

  .nav-mobile__footer {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    padding-block-start: var(--sp-4);
    border-top: 1px solid var(--border);
  }

  /* ─ Hero Section ──────────────────────────────────────────── */
  .hero {
    padding-block-start: clamp(7.5rem, 12vw, 10rem);
    padding-block-end: clamp(4rem, 9vw, 8rem);
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
  }

  /* Subtle ambient background glow */
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 80% 70% at 70% 40%, oklch(55% 0.18 250 / 6%) 0%, transparent 65%),
      radial-gradient(ellipse 50% 50% at 15% 85%, oklch(70% 0.18 35 / 5%) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
  }

  .hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 5rem);
    align-items: center;
  }

  /* Scroll-driven animation: hero elements on load */
  @keyframes hero-fade-up {
    from { opacity: 0; translate: 0 1.5rem; }
    to   { opacity: 1; translate: 0 0; }
  }

  @keyframes hero-fade-left {
    from { opacity: 0; translate: 2.5rem 0; }
    to   { opacity: 1; translate: 0 0; }
  }

  .hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: var(--brand-light);
    color: var(--brand-primary);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-full);
    margin-block-end: var(--sp-6);
    border: 1px solid oklch(55% 0.18 250 / 20%);
    animation: hero-fade-up 0.6s var(--ease) 0.05s both;
  }

  .hero__badge-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2.5s ease-in-out infinite;
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1; scale: 1; }
    50%       { opacity: 0.5; scale: 0.75; }
  }

  .hero__content h1 {
    margin-block-end: var(--sp-6);
    animation: hero-fade-up 0.6s var(--ease) 0.15s both;
  }

  .hero__content h1 .h1-accent {
    color: var(--brand-primary);
    position: relative;
    white-space: nowrap;
  }

  .hero__lead {
    font-size: var(--fs-lg);
    line-height: 1.65;
    color: var(--text-secondary);
    margin-block-end: var(--sp-8);
    max-width: 50ch;
    animation: hero-fade-up 0.6s var(--ease) 0.25s both;
  }

  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    align-items: center;
    animation: hero-fade-up 0.6s var(--ease) 0.35s both;
  }

  .hero__image-col {
    animation: hero-fade-left 0.8s var(--ease) 0.2s both;
    position: relative;
  }

  .hero__image {
    border-radius: var(--r-xl);
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    box-shadow: var(--sh-xl);
  }

  /* Floating trust badge on hero image */
  .hero__float-badge {
    position: absolute;
    bottom: -1.25rem;
    left: -1.25rem;
    background: var(--surface);
    border-radius: var(--r-lg);
    padding: var(--sp-3) var(--sp-4);
    box-shadow: var(--sh-lg);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    animation: hero-float 4s ease-in-out infinite;
    z-index: 2;
  }

  @keyframes hero-float {
    0%, 100% { translate: 0 0; }
    50%       { translate: 0 -6px; }
  }

  .hero__float-badge .badge-icon {
    font-size: 1.5rem;
    width: 2.75rem;
    height: 2.75rem;
    background: var(--accent-light);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .hero__float-badge .badge-text { display: flex; flex-direction: column; }
  .hero__float-badge .badge-title { font-size: var(--fs-sm); font-weight: 700; color: var(--text-primary); line-height: 1.2; }
  .hero__float-badge .badge-sub   { font-size: var(--fs-xs); color: var(--text-secondary); }

  /* ─ Answer Capsule (GEO / AI Overview optimization) ───────── */
  .answer-capsule-wrap {
    padding-block: 0;
    margin-block: calc(var(--section-gap) * -0.3);
  }

  .answer-capsule {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-dark) 100%);
    color: var(--text-inverse);
    padding: var(--sp-8) clamp(var(--sp-8), 6vw, var(--sp-16));
    border-radius: var(--r-xl);
    position: relative;
    overflow: hidden;

    /* Scroll-driven animation */
    animation: fade-in-up linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 30%;
  }

  .answer-capsule::before {
    content: "\201C";
    position: absolute;
    top: -1.5rem;
    right: var(--sp-10);
    font-size: 9rem;
    font-weight: 900;
    opacity: 0.07;
    line-height: 1;
    pointer-events: none;
  }

  .answer-capsule__label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.65;
    margin-block-end: var(--sp-3);
  }

  .answer-capsule p {
    font-size: var(--fs-lg);
    color: oklch(100% 0 0 / 90%);
    line-height: 1.65;
    max-width: 72ch;
    position: relative;
    z-index: 1;
  }

  /* ─ Services ──────────────────────────────────────────────── */
  .services {
    background: var(--bg-alt);
  }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
  }

  .service-card {
    background: var(--surface);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
    border: 1px solid var(--border);
    box-shadow: var(--sh-sm);
    position: relative;
    overflow: hidden;
    transition:
      transform var(--t-base) var(--ease),
      box-shadow var(--t-base) var(--ease),
      border-color var(--t-base) var(--ease);

    /* Scroll-driven animation */
    animation: fade-in-up linear both;
    animation-timeline: view();
    animation-range: entry 5% entry 35%;
  }

  /* Top gradient accent line — revealed on hover */
  .service-card::before {
    content: "";
    position: absolute;
    top: 0;
    inset-inline: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-base) var(--ease);
  }

  .service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sh-lg);
    border-color: oklch(55% 0.18 250 / 20%);
  }

  .service-card:hover::before { transform: scaleX(1); }

  .service-card__icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--brand-light);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-block-end: var(--sp-5);
    transition: transform var(--t-base) var(--ease), background var(--t-base) var(--ease);
  }

  .service-card:hover .service-card__icon {
    transform: scale(1.1) rotate(-6deg);
    background: var(--accent-light);
  }

  .service-card h3 { margin-block-end: var(--sp-3); }

  .service-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-block-start: var(--sp-4);
  }

  .service-card__features li {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--sp-2);
    line-height: 1.45;
  }

  .service-card__features li::before {
    content: "✓";
    color: var(--brand-primary);
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 0.05em;
  }

  /* ─ Pricing / Restorff Effect ─────────────────────────────── */
  .pricing {
    background: var(--bg-main);
  }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    align-items: center;
  }

  .pricing-card {
    background: var(--surface);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
    border: 1px solid var(--border);
    box-shadow: var(--sh-sm);
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
    transition:
      transform var(--t-base) var(--ease),
      box-shadow var(--t-base) var(--ease);

    animation: fade-in-up linear both;
    animation-timeline: view();
    animation-range: entry 5% entry 35%;
  }

  .pricing-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }

  /* Restorff isolation — center card dominates visually */
  .pricing-card--featured {
    border: 2px solid var(--brand-primary);
    box-shadow: var(--sh-lg);
    transform: scale(1.05);
    position: relative;
    z-index: 2;
    background: var(--surface);
  }

  .pricing-card--featured:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: var(--sh-xl);
  }

  .pricing-badge {
    position: absolute;
    top: -0.9rem;
    left: 50%;
    translate: -50% 0;
    background: var(--accent);
    color: var(--text-inverse);
    font-size: var(--fs-xs);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: var(--sp-1) var(--sp-4);
    border-radius: var(--r-full);
    white-space: nowrap;
    box-shadow: 0 4px 12px oklch(70% 0.18 35 / 35%);
  }

  .pricing-card__name {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-block-end: var(--sp-1);
  }

  .pricing-card__tagline {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.5;
  }

  .pricing-divider {
    height: 1px;
    background: var(--border);
  }

  .pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    flex: 1;
  }

  .pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.45;
  }

  .pricing-features li .check {
    color: var(--brand-primary);
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 0.1em;
  }

  .pricing-cta { margin-block-start: auto; }

  /* ─ Trust Signals ─────────────────────────────────────────── */
  .trust {
    background: var(--bg-alt);
    padding-block: clamp(3rem, 4vw, 4.5rem);
  }

  .trust__inner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-5);
    align-items: center;
    justify-content: center;
  }

  .trust-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    padding: var(--sp-3) var(--sp-6);
    box-shadow: var(--sh-sm);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--text-primary);
    transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);

    animation: fade-in-up linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 25%;
  }

  .trust-item:hover { transform: translateY(-3px); box-shadow: var(--sh-md); }
  .trust-item__icon { font-size: 1.25rem; }

  /* ─ FAQ ───────────────────────────────────────────────────── */
  .faq {
    background: var(--bg-main);
  }

  .faq__list {
    max-width: 760px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
  }

  .faq__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  }

  .faq__item:hover { box-shadow: var(--sh-sm); }
  .faq__item[open] { box-shadow: var(--sh-md); border-color: oklch(55% 0.18 250 / 25%); }

  .faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    padding: var(--sp-5) var(--sp-6);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--fs-base);
    color: var(--text-primary);
    list-style: none;
    user-select: none;
    transition: color var(--t-fast) var(--ease);
  }

  .faq__item summary::-webkit-details-marker { display: none; }
  .faq__item[open] summary { color: var(--brand-primary); }

  .faq__icon {
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--brand-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--brand-primary);
    transition:
      transform var(--t-base) var(--ease),
      background var(--t-base) var(--ease),
      color var(--t-base) var(--ease);
    line-height: 1;
  }

  .faq__item[open] .faq__icon {
    transform: rotate(45deg);
    background: var(--brand-primary);
    color: white;
  }

  .faq__body {
    padding: 0 var(--sp-6) var(--sp-5) var(--sp-6);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.7;
    animation: faq-reveal var(--t-base) var(--ease) both;
  }

  @keyframes faq-reveal {
    from { opacity: 0; translate: 0 -0.5rem; }
    to   { opacity: 1; translate: 0 0; }
  }

  /* ─ Lead Form Popover ─────────────────────────────────────── */
  #lead-form-popover {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    max-width: 100%;
    max-height: 100dvh;
    margin: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
    background: oklch(0% 0 0 / 55%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    z-index: 300;
    opacity: 0;
    transition:
      opacity var(--t-slow) var(--ease),
      display var(--t-slow) var(--ease) allow-discrete,
      overlay var(--t-slow) var(--ease) allow-discrete;
  }

  #lead-form-popover:popover-open,
  #lead-form-popover.popover-open {
    display: flex;
    opacity: 1;
  }

  @starting-style {
    #lead-form-popover:popover-open { opacity: 0; }
  }

  .form-modal {
    background: var(--surface);
    border-radius: var(--r-xl);
    padding: clamp(1.5rem, 5vw, 2.5rem);
    max-width: 560px;
    width: 100%;
    max-height: 92dvh;
    overflow-y: auto;
    box-shadow: var(--sh-xl);
    position: relative;
    animation: modal-in var(--t-slow) var(--ease) both;
    scrollbar-width: thin;
    scrollbar-color: oklch(55% 0.02 250 / 30%) transparent;
  }

  .form-modal::-webkit-scrollbar {
    width: 8px;
  }

  .form-modal::-webkit-scrollbar-track {
    background: transparent;
  }

  .form-modal::-webkit-scrollbar-thumb {
    background: oklch(55% 0.02 250 / 30%);
    border-radius: var(--r-full);
  }

  .form-modal::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
  }

  @keyframes modal-in {
    from { opacity: 0; scale: 0.95; translate: 0 1.5rem; }
    to   { opacity: 1; scale: 1;    translate: 0 0; }
  }

  /* Success screen wrapper inside modal */
  .form-success-wrapper {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-block: var(--sp-6);
  }

  .form-success-wrapper h3 {
    margin-block-end: var(--sp-2);
  }

  .form-success-wrapper p {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-block-end: var(--sp-6);
  }

  .form-success__icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--brand-light);
    color: var(--brand-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-block-end: var(--sp-4);
  }

  .form-modal:has(.form-success-wrapper.is-visible) .form-modal__close,
  .form-modal:has(.form-success-wrapper.is-visible) #form-title,
  .form-modal:has(.form-success-wrapper.is-visible) .form-modal__sub,
  .form-modal:has(.form-success-wrapper.is-visible) form {
    display: none !important;
  }

  .form-modal:has(.form-success-wrapper.is-visible) .form-success-wrapper {
    display: flex !important;
  }

  .form-modal__close {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    width: 2.25rem;
    height: 2.25rem;
    background: var(--bg-alt);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition:
      background var(--t-fast) var(--ease),
      color var(--t-fast) var(--ease);
  }

  .form-modal__close:hover { background: var(--border); color: var(--text-primary); }

  .form-modal h3 { margin-block-end: var(--sp-2); }

  .form-modal__sub {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-block-end: var(--sp-6);
  }

  fieldset {
    border: none;
    padding: 0;
    margin: 0;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-block-end: var(--sp-4);
  }

  .form-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-primary);
  }

  .form-label .req { color: var(--error); margin-inline-start: 2px; }

  .form-input,
  .form-select,
  textarea.form-input {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    font-size: var(--fs-base);
    color: var(--text-primary);
    background: var(--bg-main);
    transition:
      border-color var(--t-fast) var(--ease),
      box-shadow var(--t-fast) var(--ease),
      background var(--t-fast) var(--ease);
    appearance: none;
  }

  textarea.form-input {
    min-height: 6rem;
    resize: vertical;
    font-family: inherit;
  }

  input[type="file"].form-input {
    padding-block: var(--sp-2);
    cursor: pointer;
  }

  input[type="file"].form-input::file-selector-button {
    background: var(--brand-light);
    color: var(--brand-primary);
    border: none;
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--r-sm);
    font-weight: 600;
    margin-inline-end: var(--sp-3);
    transition: background var(--t-fast) var(--ease);
  }

  input[type="file"].form-input::file-selector-button:hover {
    background: var(--brand-primary);
    color: var(--text-inverse);
  }

  .form-input:focus,
  .form-select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px oklch(55% 0.18 250 / 15%);
    background: var(--surface);
  }

  .form-select {
    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='%23637490' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
    cursor: pointer;
  }

  .form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
  }

  .form-radio-label {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    border: 1.5px solid var(--border);
    border-radius: var(--r-full);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition:
      border-color var(--t-fast) var(--ease),
      background var(--t-fast) var(--ease),
      color var(--t-fast) var(--ease);
    user-select: none;
  }

  .form-radio-label input[type="radio"] { display: none; }

  .form-radio-label:has(input:checked) {
    border-color: var(--brand-primary);
    background: var(--brand-light);
    color: var(--brand-primary);
    font-weight: 600;
  }

  /* Form Services Grid & Checkbox styling */
  .form-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--sp-2.5);
    margin-block-start: var(--sp-2);
  }

  .form-checkbox-label {
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-main);
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition:
      border-color var(--t-fast) var(--ease),
      background var(--t-fast) var(--ease),
      box-shadow var(--t-fast) var(--ease);
    user-select: none;
  }

  .form-checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }

  /* Custom indicator checkmark box */
  .form-checkbox-label::before {
    content: "";
    display: inline-block;
    width: 1.15rem;
    height: 1.15rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    margin-inline-end: var(--sp-3);
    background: var(--surface);
    transition:
      border-color var(--t-fast) var(--ease),
      background var(--t-fast) var(--ease);
    flex-shrink: 0;
  }

  .form-checkbox-label:hover {
    border-color: var(--brand-primary);
    background: var(--surface);
  }

  .form-checkbox-label:has(input:checked) {
    border-color: var(--brand-primary);
    background: var(--brand-light);
    color: var(--brand-primary);
    box-shadow: 0 0 0 3px oklch(55% 0.18 250 / 8%);
  }

  .form-checkbox-label:has(input:checked)::before {
    border-color: var(--brand-primary);
    background: var(--brand-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 0.7rem;
  }

  /* Form payment assurance badge */
  .form-payment-badge {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    background: var(--brand-light);
    border: 1.5px solid oklch(55% 0.18 250 / 15%);
    border-radius: var(--r-md);
    margin-block-start: var(--sp-4);
  }

  .form-payment-badge .badge-icon {
    font-size: 1.2rem;
    line-height: 1.2;
    flex-shrink: 0;
  }

  .form-payment-badge .badge-text {
    font-size: var(--fs-xs);
    color: var(--brand-primary);
    line-height: 1.4;
  }

  .form-submit-wrap { margin-block-start: var(--sp-2); }

  .form-privacy {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    text-align: center;
    margin-block-start: var(--sp-3);
    line-height: 1.5;
  }

  .form-privacy a { color: var(--brand-primary); text-decoration: underline; }

  /* Form success state */
  .form-success {
    text-align: center;
    padding: var(--sp-16) var(--sp-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
    animation: modal-in var(--t-base) var(--ease) both;
  }

  .form-success__icon {
    width: 5rem;
    height: 5rem;
    background: oklch(60% 0.18 145 / 12%);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
  }

  /* ─ Cookie Consent Banner (Bill 25 / Loi 25 compliant) ───── */
  #cookie-banner {
    position: fixed;
    bottom: var(--sp-4);
    left: 50%;
    translate: -50% 2rem;
    width: min(540px, calc(100% - 2 * var(--sp-4)));
    margin: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: var(--sp-6);
    box-shadow: var(--sh-xl);
    z-index: 250;
    display: none;
    opacity: 0;
    transition:
      opacity var(--t-slow) var(--ease),
      translate var(--t-slow) var(--ease),
      display var(--t-slow) var(--ease) allow-discrete,
      overlay var(--t-slow) var(--ease) allow-discrete;
  }

  #cookie-banner:popover-open,
  #cookie-banner.popover-open {
    display: block;
    opacity: 1;
    translate: -50% 0;
  }

  @starting-style {
    #cookie-banner:popover-open {
      opacity: 0;
      translate: -50% 2rem;
    }
  }

  .cookie-title {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-block-end: var(--sp-2);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
  }

  .cookie-body {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-block-end: var(--sp-5);
  }

  .cookie-body a { color: var(--brand-primary); text-decoration: underline; }

  /* Bill 25: EQUAL visual weight for both buttons — no dark patterns */
  .cookie-actions {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
  }

  .cookie-actions .btn {
    flex: 1;
    min-width: 130px;
    text-align: center;
  }

  /* ─ Site Footer ───────────────────────────────────────────── */
  .site-footer {
    background: var(--brand-dark);
    color: oklch(70% 0.02 250);
    padding-block: clamp(3rem, 5vw, 4.5rem);
  }

  .site-footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    margin-block-end: var(--sp-10);
  }

  .footer-brand { max-width: 340px; }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-weight: 800;
    font-size: var(--fs-lg);
    color: oklch(100% 0 0);
    margin-block-end: var(--sp-4);
    letter-spacing: -0.02em;
    text-decoration: none;
  }

  .footer-logo:hover { text-decoration: none; }

  .footer-tagline {
    font-size: var(--fs-sm);
    line-height: 1.6;
    color: oklch(80% 0.02 250);
    margin-block-end: var(--sp-6);
  }

  /* NAP — Name/Address/Phone: posimétrique consistency for Local SEO */
  .footer-nap {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
  }

  .footer-nap__item {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    font-size: var(--fs-sm);
    color: oklch(82% 0.02 250);
  }

  .footer-nap__icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.15em; }

  .footer-nap__item a {
    color: inherit;
    text-decoration: none;
    transition: color var(--t-fast) var(--ease);
  }

  .footer-nap__item a:hover { color: oklch(100% 0 0); text-decoration: none; }

  .footer-col__title {
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: oklch(100% 0 0);
    margin-block-end: var(--sp-5);
  }

  .footer-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
  }

  .footer-nav__link {
    font-size: var(--fs-sm);
    color: oklch(80% 0.02 250);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease);
  }

  /* Button styled as nav link (replaces onclick anchor) */
  .footer-nav__btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    font-size: var(--fs-sm);
    color: oklch(80% 0.02 250);
    transition: color var(--t-fast) var(--ease);
  }

  .footer-nav__link:hover,
  .footer-nav__btn:hover { color: oklch(100% 0 0); text-decoration: none; }

  .footer-bottom {
    border-top: 1px solid oklch(100% 0 0 / 10%);
    padding-block-start: var(--sp-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-4);
  }

  .footer-copy { font-size: var(--fs-xs); color: oklch(72% 0.02 250); }

  .footer-legal {
    display: flex;
    gap: var(--sp-5);
    align-items: center;
  }

  .footer-legal a {
    font-size: var(--fs-xs);
    color: oklch(72% 0.02 250);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease);
  }

  .footer-legal a:hover { color: oklch(100% 0 0); text-decoration: none; }

  .footer-lang {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: oklch(100% 0 0 / 8%);
    padding: 0.25rem 0.35rem;
    border-radius: var(--r-full);
    border: 1px solid oklch(100% 0 0 / 18%);
  }

  .footer-lang__label {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: oklch(75% 0.02 250);
    padding-inline: 0.5rem 0.25rem;
  }

  .footer-lang__link {
    font-size: var(--fs-xs);
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: var(--r-full);
    color: oklch(85% 0.02 250);
    text-decoration: none;
    transition: all var(--t-fast) var(--ease);
  }

  .footer-lang__link:hover {
    background: oklch(100% 0 0 / 16%);
    color: oklch(100% 0 0);
    text-decoration: none;
  }

  .footer-lang__link[aria-current="page"] {
    background: var(--brand-primary);
    color: oklch(100% 0 0);
    box-shadow: 0 2px 8px oklch(0% 0 0 / 25%);
    text-decoration: none;
  }

  .footer-lang__sep {
    display: none;
  }

  /* ─ Scroll-Driven Animation keyframes (shared) ────────────── */
  @keyframes fade-in-up {
    from { opacity: 0; translate: 0 2.5rem; }
    to   { opacity: 1; translate: 0 0; }
  }

  /* ─ View Transition API ───────────────────────────────────── */
  @view-transition {
    navigation: auto;
  }

  ::view-transition-old(root) { animation: vt-out 0.3s var(--ease) both; }
  ::view-transition-new(root) { animation: vt-in  0.3s var(--ease) both; }

  /* =============================================================
     RUSSIAN LANGUAGE SUPPORT & CYRILLIC TYPOGRAPHY (:lang(ru))
     ============================================================= */

  /* 1. Typography & word-break enhancements for Cyrillic */
  :lang(ru),
  :lang(ru-CA) {
    font-family: "Inter", "Roboto", "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.58;
  }

  :lang(ru) h1,
  :lang(ru-CA) h1 {
    letter-spacing: -0.02em;
    line-height: 1.15;
    overflow-wrap: break-word;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  :lang(ru) h2,
  :lang(ru-CA) h2,
  :lang(ru) h3,
  :lang(ru-CA) h3 {
    letter-spacing: -0.015em;
    line-height: 1.25;
    overflow-wrap: break-word;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  :lang(ru) p,
  :lang(ru) li,
  :lang(ru) .hero__lead,
  :lang(ru) .service-card p,
  :lang(ru) .faq-item__answer p {
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  /* Allow longer Russian button text to wrap cleanly */
  :lang(ru) .btn,
  :lang(ru-CA) .btn {
    white-space: normal;
    text-align: center;
    line-height: 1.35;
  }

  :lang(ru) .hero__actions {
    flex-wrap: wrap;
    gap: var(--sp-4);
  }

  :lang(ru) .hero__actions .btn {
    min-height: 3.25rem;
    flex: 1 1 auto;
  }

  /* 2. Russian Page Components & Sections */

  /* Service card bullet list */
  .service-card__bullets {
    margin-top: auto;
    padding-top: var(--sp-4);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
  }

  .service-card__bullets li {
    position: relative;
    padding-inline-start: var(--sp-6);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
  }

  .service-card__bullets li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-weight: 700;
  }

  /* Process section (Как я работаю) */
  .process {
    padding-block: var(--section-gap);
    background: var(--bg-alt);
  }

  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
    margin-top: var(--sp-8);
  }

  .process-step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: var(--sp-6);
    box-shadow: var(--sh-sm);
    transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
  }

  .process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-md);
  }

  .step-num {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--r-full);
    background: linear-gradient(135deg, var(--brand-primary), var(--accent));
    color: var(--text-inverse);
    font-weight: 700;
    font-size: var(--fs-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sh-sm);
  }

  .process-step h3 {
    font-size: var(--fs-lg);
    color: var(--text-primary);
    margin-top: var(--sp-1);
  }

  .process-step p {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.5;
  }

  /* Russian FAQ components (.faq-list, .faq-item) */
  .faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    margin-top: var(--sp-8);
  }

  .faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: var(--sp-5) var(--sp-6);
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  }

  .faq-item[open] {
    border-color: var(--brand-primary);
    box-shadow: var(--sh-sm);
  }

  .faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    cursor: pointer;
    list-style: none;
  }

  .faq-item__question::-webkit-details-marker {
    display: none;
  }

  .faq-item__question h3 {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
  }

  .faq-item__icon {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--r-full);
    background: var(--brand-light);
    color: var(--brand-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
    line-height: 1;
    transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  }

  .faq-item__icon::after {
    content: "+";
  }

  .faq-item[open] .faq-item__icon {
    background: var(--brand-primary);
    color: var(--text-inverse);
    transform: rotate(45deg);
  }

  .faq-item__answer {
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px dashed var(--border);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.6;
  }

  /* CTA Section (.cta-section) */
  .cta-section {
    background: var(--bg-alt);
    text-align: center;
    padding-block: var(--section-gap);
  }

  /* Footer Grid & Contact (.footer-grid, .footer-contact) */
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sp-12);
    align-items: start;
  }

  .footer-contact {
    margin-top: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
  }

  .footer-contact__link:hover {
    color: var(--brand-primary);
  }

} /* end @layer components */

/* ── UTILITIES ──────────────────────────────────────────────── */
@layer utilities {
  .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;
  }

  .text-center { text-align: center; }
  .text-brand  { color: var(--brand-primary); }
  .text-accent { color: var(--accent); }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* ── RESPONSIVE BREAKPOINTS ──────────────────────────────────── */

/* Tablet — ≤ 1024px */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-inline: auto;
  }

  .pricing-card--featured {
    transform: scale(1);
    order: -1;
  }

  .pricing-card--featured:hover { transform: translateY(-5px); }

  .site-footer__inner,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand { grid-column: 1 / -1; max-width: 100%; }
}

/* Mobile — ≤ 768px */
@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__image-col { display: none; }

  .services-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* Show hamburger, hide desktop nav and header desktop CTA */
  .site-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .site-footer__inner,
  .footer-grid { grid-template-columns: 1fr; }

  .trust__inner { flex-direction: column; align-items: stretch; }
  .trust-item { justify-content: flex-start; }

  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }

  .answer-capsule { padding: var(--sp-6) var(--sp-6); }
}

/* Small mobile — ≤ 480px */
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; text-align: center; }
  .cookie-actions { flex-direction: column; }
}