/* ============================================================
   TIKRA DESIGN SYSTEM
   Fire-resistant coatings — Brand identity stylesheet
   ============================================================ */

/* ── 1. Design Tokens ─────────────────────────────────────── */
:root {
  /* Brand Colors */
  --brand-fire:       #F0C300;   /* Primary accent — brand yellow */
  --brand-fire-light: #FFD700;   /* Lighter yellow for gradients */
  --brand-fire-dim:   #C9A000;   /* Darker yellow for hover */
  --brand-amber:      #E8B800;   /* Secondary yellow accent */

  /* Neutrals */
  --gray-950: #0A0A0A;
  --gray-900: #111111;
  --gray-800: #1C1C1C;
  --gray-700: #2A2A2A;
  --gray-600: #404040;
  --gray-500: #6B6B6B;
  --gray-400: #9A9A9A;
  --gray-300: #C4C4C4;
  --gray-200: #E0E0E0;
  --gray-100: #F0F0F0;
  --gray-50:  #F8F8F8;
  --white:    #FFFFFF;

  /* Product Colors */
  --product-steel:  #F0C300;
  --product-wood:   #16A34A;
  --product-bio:    #2563EB;

  /* Semantic */
  --text-primary:   #111111;
  --text-secondary: #6B6B6B;
  --text-muted:     #767676;   /* darkened to meet WCAG AA 4.5:1 on white */
  --text-inverse:   #FFFFFF;
  --bg-page:        #FFFFFF;
  --bg-surface:     #F8F8F8;
  --bg-card:        #FFFFFF;
  --border:         #E0E0E0;
  --border-strong:  #C4C4C4;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */
  --text-5xl:  3rem;      /* 48px */
  --text-6xl:  3.75rem;   /* 60px */
  --text-7xl:  4.5rem;    /* 72px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm:  4px;
  --radius:     8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px rgb(0 0 0 / 0.08), 0 1px 2px rgb(0 0 0 / 0.05);
  --shadow:    0 4px 6px rgb(0 0 0 / 0.06), 0 2px 4px rgb(0 0 0 / 0.04);
  --shadow-md: 0 8px 16px rgb(0 0 0 / 0.08), 0 4px 8px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 16px 32px rgb(0 0 0 / 0.10), 0 8px 16px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 24px 48px rgb(0 0 0 / 0.12), 0 12px 24px rgb(0 0 0 / 0.06);

  /* Transitions */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast:   150ms;
  --duration:        250ms;
  --duration-slow:   400ms;

  /* Layout */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1280px;
  --container-2xl: 1400px;
  --nav-height:    72px;
}

/* ── 2. Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea { font: inherit; }

/* ── 3. Typography ────────────────────────────────────────── */
.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }
.text-4xl  { font-size: var(--text-4xl); }
.text-5xl  { font-size: var(--text-5xl); }

.font-normal   { font-weight: 400; }
.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }
.font-extrabold{ font-weight: 800; }

.leading-tight  { line-height: 1.2; }
.leading-snug   { line-height: 1.375; }
.leading-normal { line-height: 1.6; }
.leading-relaxed{ line-height: 1.75; }

.tracking-tight { letter-spacing: -0.02em; }
.tracking-wide  { letter-spacing: 0.05em; }
.tracking-wider { letter-spacing: 0.08em; }

/* ── 4. Layout Utilities ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
}

.section {
  padding-block: var(--space-24);
}

.section--lg {
  padding-block: var(--space-32);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-fire-dim);
  margin-bottom: var(--space-5);
  background: rgba(240, 195, 0, 0.1);
  border: 1px solid rgba(240, 195, 0, 0.2);
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.section-label::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--brand-fire);
  border-radius: 50%;
  flex-shrink: 0;
}

.section-heading {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.section-subheading {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── 5. Navigation ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.nav--dark {
  background: rgba(11, 11, 11, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nav--scrolled {
  box-shadow: var(--shadow-md);
}

.nav--dark.nav--scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav .container {
  height: 100%;
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-self: start;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--brand-fire);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo img {
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.nav__logo-text {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.nav__logo-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--text-primary);
  background: var(--gray-100);
}

.nav__link--active {
  color: var(--brand-fire) !important;
  background: rgba(240, 195, 0, 0.08) !important;
}

/* Dark nav overrides */
.nav--dark .nav__link {
  color: rgba(255, 255, 255, 0.45);
}
.nav--dark .nav__link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}
.nav--dark .nav__logo-text { color: var(--white); }
.nav--dark .nav__logo-sub  { color: rgba(255,255,255,0.35); }
.nav--dark .lang-toggle__btn {
  background: transparent;
  border-color: rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.85);
}
.nav--dark .lang-toggle__btn:hover {
  border-color: var(--brand-fire);
  color: var(--brand-fire);
}

.nav__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  justify-self: end;
  gap: var(--space-3);
}

/* Language Toggle */
.lang-toggle {
  position: relative;
}

.lang-toggle__btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 44px;            /* match the adjacent CTA button height */
  padding: 0 var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--white);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
}

/* Keep nav action controls a consistent height on desktop */
.nav__actions .btn { height: 44px; }

.lang-toggle__btn:hover {
  border-color: var(--brand-fire);
  color: var(--brand-fire);
}

.lang-toggle__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-width: 140px;
  animation: dropdown-in var(--duration-fast) var(--ease-out);
}

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
}

.lang-option:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.lang-option--active {
  color: var(--brand-fire);
  font-weight: 600;
  background: rgba(240, 195, 0, 0.06);
}

.lang-code {
  flex-shrink: 0;
  min-width: 38px;
  text-align: center;
  padding: 2px 6px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--gray-100);
  border-radius: var(--radius-sm);
}
.lang-option--active .lang-code {
  color: var(--brand-fire);
  background: rgba(240, 195, 0, 0.12);
}

/* Mobile menu toggle */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--duration-fast) var(--ease);
}

.nav__hamburger:hover { background: var(--gray-100); }

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
  transform-origin: center;
}

.nav__hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger--open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Drawer — full-screen overlay */
.nav__mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  padding-top: var(--nav-height);
  display: none;
  flex-direction: column;
  z-index: 98;
  overflow-y: auto;
}

.nav__mobile--open {
  display: flex;
  animation: mobile-menu-in var(--duration-slow) var(--ease-out);
}

@keyframes mobile-menu-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.nav__mobile-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-4) var(--space-6) var(--space-8);
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.nav__mobile .nav__link {
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.nav__mobile-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  margin-top: var(--space-6);
}

.nav__mobile .lang-options {
  display: flex;
  gap: var(--space-2);
}

.nav__mobile .lang-chip {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
  text-align: center;
}

.nav__mobile .lang-chip:hover,
.nav__mobile .lang-chip--active {
  border-color: var(--brand-fire);
  color: var(--brand-fire);
  background: rgba(240, 195, 0, 0.06);
}

.nav--dark .nav__hamburger span {
  background: rgba(255, 255, 255, 0.75);
}

@media (max-width: 900px) {
  /* Links hidden -> collapse the 3-col grid to 2 cols so actions
     stay pinned to the right instead of reflowing into the middle */
  .nav__inner { grid-template-columns: 1fr auto; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  /* Language switching moves into the hamburger menu on mobile */
  .lang-toggle { display: none; }
}

/* ── 6. Page Spacer ───────────────────────────────────────── */
.page-top { padding-top: var(--nav-height); }

/* ── 7. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--duration-fast) var(--ease);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--brand-fire);
  color: #111111;
  box-shadow: 0 2px 8px rgba(240, 195, 0, 0.35);
}

.btn--primary:hover {
  background: var(--brand-fire-dim);
  box-shadow: 0 4px 16px rgba(240, 195, 0, 0.4);
  transform: translateY(-1px);
}

.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--text-primary);
  background: var(--gray-50);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn--ghost:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--inverse {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn--inverse:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* ── 8. Hero Section ──────────────────────────────────────── */
.hero {
  background: #0B0B0B;
  min-height: 100svh;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Dot grid texture */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient yellow glow — gives depth to the right half */
.hero::after {
  content: '';
  position: absolute;
  bottom: -5%;
  right: -5%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at 75% 85%, rgba(240, 195, 0, 0.13) 0%, rgba(240, 195, 0, 0.04) 35%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* Ghost background number — gives depth without being noisy */
.hero__ghost {
  position: absolute;
  right: -0.08em;
  bottom: -0.18em;
  font-size: 42vw;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(240, 195, 0, 0.055);
  user-select: none;
  pointer-events: none;
  z-index: 0;
  font-family: var(--font-sans);
}

/* Top info bar */
.hero__topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}

.hero__topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-fire);
}

.hero__topbar-left::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--brand-fire);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero__topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}

.hero__topbar-sep { opacity: 0.35; }

/* Main body — centered single column */
.hero__body {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-block: var(--space-16);
  max-width: 800px;
  margin-inline: auto;
  width: 100%;
}

/* Left: content */
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-fire);
  margin-bottom: var(--space-8);
  background: rgba(240, 195, 0, 0.1);
  border: 1px solid rgba(240, 195, 0, 0.25);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--brand-fire);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero__headline {
  font-size: clamp(2.25rem, 3.75vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-6);
}

.hero__hl-top {
  display: block;
  font-weight: 300;
  color: rgba(255,255,255,0.4);
}

.hero__hl-bot {
  display: block;
  font-weight: 800;
  color: var(--white);
}

.hero__desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.4);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: var(--space-10);
  font-weight: 400;
  margin-inline: auto;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  width: fit-content;
  margin-inline: auto;
}

/* Ghost button for dark backgrounds */
.btn--dim {
  background: transparent;
  color: rgba(255,255,255,0.55);
  border: 1.5px solid rgba(255,255,255,0.12);
}

.btn--dim:hover {
  border-color: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.04);
}

/* Proof stat strip */
.hero__proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
}

.hero__proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-5) var(--space-4);
  border-right: 1px solid rgba(255,255,255,0.07);
}

.hero__proof-item:last-child {
  border-right: none;
}

.hero__proof-val {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.hero__proof-arrow {
  color: rgba(255,255,255,0.25);
  font-weight: 400;
  margin-inline: 3px;
}

.hero__proof-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
}

/* Remove the old separator element (kept for DOM compat, hidden) */
.hero__proof-sep {
  display: none;
}

/* Bottom stats strip */
.hero__statsbar {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}

.hero__statitem {
  padding: var(--space-5) var(--space-6);
  border-right: 1px solid rgba(255,255,255,0.05);
}

.hero__statitem:last-child { border-right: none; }

.hero__statitem-val {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1;
}

.hero__statitem-label {
  font-size: 11px;
  color: rgba(255,255,255,0.28);
  margin-top: var(--space-1);
  letter-spacing: 0.03em;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@media (max-width: 900px) {
  .hero__body {
    padding-block: var(--space-12) var(--space-8);
    max-width: 100%;
  }
  .hero__statsbar { grid-template-columns: repeat(2, 1fr); }
  .hero__topbar-right { display: none; }
}

@media (max-width: 640px) {
  .hero__topbar { display: none; }
  .hero__body { padding-block: var(--space-10) var(--space-6); }
  .hero__headline { font-size: clamp(2rem, 8vw, 2.75rem); }
  .hero__actions { flex-direction: column; width: 100%; max-width: 340px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__statitem { padding: var(--space-4) var(--space-3); }
  .hero__statitem-val { font-size: var(--text-lg); }
  .hero__statitem-label { font-size: 10px; }
  .hero__marquee-item { width: 110px; }
  .hero__marquee-item img { height: 22px; max-width: 85px; }
}

@media (max-width: 480px) {
  .hero__proof { grid-template-columns: 1fr; }
  .hero__proof-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .hero__proof-item:last-child { border-bottom: none; }
}

/* Marquee strip */
.hero__marquee-wrap {
  position: relative;
  z-index: 2;
  padding-block: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}

.hero__marquee-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.18);
  text-align: center;
  margin-bottom: var(--space-4);
}

.hero__marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}

.hero__marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}

.hero__marquee-track:hover { animation-play-state: paused; }

.hero__marquee-group {
  display: flex;
  align-items: center;
  padding-inline: var(--space-4);
}

.hero__marquee-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  flex-shrink: 0;
}

.hero__marquee-item img {
  height: 26px;
  max-width: 110px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.3;
  transition: opacity var(--duration-fast) var(--ease);
}

.hero__marquee-item:hover img { opacity: 0.65; }

.hero__marquee-item--text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.18);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Reference item logo / initials */
.reference-item__logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.reference-item__initials {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--brand-fire);
  letter-spacing: -0.02em;
  line-height: 1;
}

.reference-item__icon--abroad { background: rgba(37, 99, 235, 0.08); }
.reference-item__initials--abroad { color: #2563EB; }

/* ── 9. Products Section ──────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.product-card:hover::after {
  opacity: 1;
}

.product-card__header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.product-card__badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.product-card__name {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.product-card__tagline {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.product-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.product-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.product-card__check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.product-card__footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.product-card__system {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
  flex: 1;
}

/* Product Detail Expanded */
.product-detail {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--white);
  margin-top: var(--space-2);
}

.product-detail__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.product-detail__left {
  padding: var(--space-10);
  border-right: 1px solid var(--border);
}

.product-detail__right {
  padding: var(--space-10);
  background: var(--gray-50);
}

.product-detail__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

/* Documentation Card */
.doc-card {
  background: var(--gray-950);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.doc-card__text h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.doc-card__text p {
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-base);
  max-width: 500px;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding-block: var(--space-16); }
  .section--lg { padding-block: var(--space-20); }
  .section-header { margin-bottom: var(--space-10); }
  .section-subheading { font-size: var(--text-base); }
  .products-grid { grid-template-columns: 1fr; }
  .doc-card { flex-direction: column; text-align: center; }
  .product-detail__inner { grid-template-columns: 1fr; }
  .product-detail__left { border-right: none; border-bottom: 1px solid var(--border); }
}

/* Expanded product card layout */
.product-expand__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-expand__header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6) var(--space-8);
}

@media (max-width: 640px) {
  .product-expand__grid { grid-template-columns: 1fr; }
  .product-expand__grid > *:first-child { border-right: none !important; border-bottom: 1px solid var(--border); }
  .product-expand__header { gap: var(--space-3); padding: var(--space-4) var(--space-5); }
}

/* References stats row */
.references__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-16);
}

@media (max-width: 640px) {
  .references__stats { grid-template-columns: 1fr; margin-top: var(--space-10); }
}

/* ── 10. About Section ────────────────────────────────────── */
.about {
  background: var(--gray-50);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about__content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.about__vision {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand-fire);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-top: var(--space-8);
}

.about__vision-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-fire);
  margin-bottom: var(--space-3);
}

.about__vision-text {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.about__test-card {
  background: var(--gray-950);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.about__test-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(240, 195, 0, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.about__test-heading {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-4);
  position: relative;
}

.about__test-text {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
  position: relative;
}

.about__temp-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.about__temp-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.about__temp-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  width: 70px;
  flex-shrink: 0;
}

.about__temp-track {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.about__temp-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.5s var(--ease-out);
}

.about__temp-val {
  font-size: var(--text-sm);
  font-weight: 700;
  width: 50px;
  text-align: right;
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: var(--space-10); }
}

/* ── 11. References Section ───────────────────────────────── */
.references__tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  background: var(--gray-100);
  padding: var(--space-1);
  border-radius: var(--radius-md);
  width: fit-content;
}

.references__tab {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.references__tab--active {
  background: var(--white);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.references__tab:hover:not(.references__tab--active) {
  color: var(--text-primary);
}

.references__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.reference-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.reference-item:hover {
  border-color: var(--brand-fire);
  box-shadow: 0 0 0 3px rgba(240, 195, 0, 0.08);
}

.reference-item__icon {
  width: 36px;
  height: 36px;
  background: rgba(240, 195, 0, 0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--brand-fire);
}

.reference-item__text {}

.reference-item__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.reference-item__desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── 12. FAQ Section ──────────────────────────────────────── */
.faq {
  background: var(--gray-50);
}

.faq__list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.faq__item--open {
  border-color: var(--brand-fire);
  box-shadow: 0 0 0 3px rgba(240, 195, 0, 0.08);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--duration-fast) var(--ease);
}

.faq__item--open .faq__question {
  color: var(--brand-fire);
}

.faq__icon {
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease), background var(--duration) var(--ease);
  color: var(--text-muted);
}

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

.faq__answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  display: none;
}

.faq__item--open .faq__answer {
  display: block;
  animation: fade-slide-in var(--duration) var(--ease-out);
}

@keyframes fade-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 13. News Section ─────────────────────────────────────── */
.news__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
}

.news-card--featured {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--duration) var(--ease);
}

.news-card--featured:hover {
  box-shadow: var(--shadow-lg);
}

.news-card__image-placeholder {
  aspect-ratio: 16/7;
  background: linear-gradient(135deg, var(--gray-950) 0%, var(--gray-800) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.news-card__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(240, 195, 0, 0.3) 0%, transparent 70%);
}

.news-card__image-graphic {
  position: relative;
  text-align: center;
}

.news-card__image-temp {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--brand-fire);
  line-height: 1;
}

.news-card__image-sub {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-top: var(--space-2);
}

.news-card__body {
  padding: var(--space-8);
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.news-card__tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: rgba(240, 195, 0, 0.1);
  color: var(--brand-fire);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.news-card__date {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.news-card__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.news-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.news-sidebar {
  background: var(--gray-950);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.news-sidebar__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-2);
}

.news-sidebar__fact {
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.news-sidebar__fact:last-child { border-bottom: none; }

.news-sidebar__fact-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--brand-fire-light);
  letter-spacing: -0.03em;
}

.news-sidebar__fact-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-1);
}

@media (max-width: 900px) {
  .news__grid { grid-template-columns: 1fr; }
}

/* ── 14. Contact Section ──────────────────────────────────── */
.contact {
  background: var(--gray-50);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  background: rgba(240, 195, 0, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--brand-fire);
}

.contact__info-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.contact__info-value {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
}

.contact__info-value a {
  color: var(--brand-fire);
  transition: opacity var(--duration-fast) var(--ease);
}

.contact__info-value a:hover { opacity: 0.8; }

.contact__map {
  margin-top: var(--space-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--gray-100);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.contact__form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact__form h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--white);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--brand-fire);
  box-shadow: 0 0 0 3px rgba(240, 195, 0, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-success {
  padding: var(--space-4);
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.3);
  border-radius: var(--radius);
  color: #16A34A;
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
}

@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── 15. Footer ───────────────────────────────────────────── */
.footer {
  background: var(--gray-950);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-8);
}

.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--brand-fire);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo-text {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--space-6);
}

.footer__legal-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__legal-item {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
  font-family: var(--font-mono);
}

.footer__col-heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--duration-fast) var(--ease);
  cursor: pointer;
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__rights {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.25);
}

.footer__made-by {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 900px) {
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 640px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ── 16. Section Transitions ──────────────────────────────── */
.section-view {
  animation: section-enter var(--duration-slow) var(--ease-out);
}

@keyframes section-enter {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 17. CTA Banner ───────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--gray-950) 0%, var(--gray-800) 100%);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240, 195, 0, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__inner {
  position: relative;
}

.cta-banner h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-inline: auto;
}

.cta-banner__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── 18. Utility Classes ──────────────────────────────────── */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.w-full { width: 100%; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ── 19. Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ── 20. Selection ────────────────────────────────────────── */
::selection {
  background: rgba(240, 195, 0, 0.2);
  color: var(--text-primary);
}

/* ── 21. Accessibility & Interaction Polish ───────────────────
   Added via ui-ux-pro-max audit: focus visibility, reduced
   motion, touch ergonomics, skip link, disabled states.
   ─────────────────────────────────────────────────────────── */

/* Screen-reader-only utility (accessible labels without visual change) */
.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;
}

/* Skip-to-content link — first focusable element for keyboard users */
.skip-link {
  position: fixed;
  left: var(--space-4);
  top: calc(-1 * var(--space-16));
  z-index: 2000;
  padding: var(--space-3) var(--space-5);
  background: var(--gray-900);
  color: var(--white);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* Visible keyboard focus rings on every interactive element */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
[role="button"]:focus-visible,
.product-card:focus-visible,
.faq__question:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--brand-fire);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
/* Keep the ring visible on yellow / dark surfaces with a dark halo */
.btn--primary:focus-visible,
.nav--dark a:focus-visible,
.nav--dark button:focus-visible {
  outline-color: var(--gray-900);
  box-shadow: 0 0 0 5px rgba(240, 195, 0, 0.55);
}
/* Don't show the ring for mouse/touch users, only keyboard */
:focus:not(:focus-visible) { outline: none; }

/* Reduce tap delay and remove the grey tap-flash on touch devices */
a, button, [role="button"],
.product-card, .faq__question,
input, textarea, select {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Comfortable tap targets on touch devices (skill: min 44px) */
@media (hover: none) and (pointer: coarse) {
  .nav__link,
  .lang-option,
  .nav__mobile .lang-chip,
  .footer__link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* Clear disabled state for forms / async buttons */
.btn:disabled, .btn[disabled],
button:disabled,
.form-input:disabled, .form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Keep in-page anchors clear of the fixed navbar */
[id="main-content"],
section[id] {
  scroll-margin-top: calc(var(--nav-height) + var(--space-4));
}

/* Respect the user's motion preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hero__marquee-track { animation: none !important; }
}