/*
 * styles.css — HDT Brand Stylesheet
 *
 * Design System: Vitality Clinical
 *   - Teal primary: clinical trust, vitality, wellness
 *   - Mint accent: fresh, clean, modern
 *   - Light background: airy, spacious
 *   - Professional, approachable, health-forward
 */

/* Google Fonts — Manrope (headings), Inter (body), JetBrains Mono (labels) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Manrope:wght@500;600;700;800&display=swap');

/* ===========================================================================
 * 1. Design Tokens — Vitality Clinical
 * ======================================================================== */
:root {
  /* Brand palette — Teal primary */
  --color-primary: #0D9488;
  --color-primary-mid: #0D9488;
  --color-primary-light: #F0FDFA;

  /* CTA — Teal (unified with primary for clinical cohesion) */
  --color-cta: #0D9488;
  --color-cta-hover: #0F766E;

  /* Accent — Mint/Teal */
  --color-accent: #2DD4BF;
  --color-accent-dark: #0D9488;
  --color-accent-soft: #F0FDFA;

  /* Neutrals */
  --color-ink: #0b1c30;
  --color-ink-soft: #3d4947;
  --color-muted: #5b6b68;
  --color-line: #E2E8F0;
  --color-line-strong: #CBD5E1;
  --color-bg: #f8f9ff;
  --color-bg-alt: #F0FDFA;
  --color-bg-deep: #EEF2FA;
  --color-on-deep: #0b1c30;
  --color-on-deep-muted: #5b6b68;

  /* Typography — Manrope for headings, Inter for body, JetBrains Mono for labels */
  --font-heading: "Manrope", "PingFang SC", "Source Han Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-sans: "Inter", "PingFang SC", "Source Han Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;

  --lh-tight: 1.2;
  --lh-snug: 1.4;
  --lh-normal: 1.65;

  /* Spacing — 8px grid */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 3rem;      /* 48px — section spacing */
  --space-8: 4rem;      /* 64px */
  --space-9: 6rem;      /* 96px */

  /* Radius — buttons 8px, cards 16px, chips/pills full-round */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows — ultra-light diffuse */
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.06);
  --shadow: 0 4px 16px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 37, 64, 0.1);

  /* Layout */
  --maxw: 1280px;
  --maxw-narrow: 820px;
  --header-h: 64px;
  --transition: 180ms ease;
}

/* ===========================================================================
 * 2. Reset + Base
 * ======================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
}

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { color: var(--color-primary); text-decoration: underline; }

ul, ol { margin: 0; padding: 0; }

/* ===========================================================================
 * 3. Typography
 * ======================================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--font-heading);
}
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

.lead { font-size: var(--fs-md); color: var(--color-muted); line-height: var(--lh-normal); }
.text-muted { color: var(--color-muted); }

.eyebrow {
  display: inline-block;
  margin: 0 0 var(--space-2);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

/* ===========================================================================
 * 4. Layout
 * ======================================================================== */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--space-4); padding-right: var(--space-4); }
.container--narrow { max-width: var(--maxw-narrow); }

.section { padding-top: var(--space-7); padding-bottom: var(--space-7); }
.section--alt { background: var(--color-bg-alt); }
.section--deep { background: var(--color-bg-deep); color: var(--color-on-deep); }
.section--deep h1, .section--deep h2, .section--deep h3, .section--deep h4 { color: var(--color-ink); }
.section--deep .lead, .section--deep .text-muted { color: var(--color-on-deep-muted); }

.section__header { max-width: var(--maxw-narrow); margin-bottom: var(--space-6); }
.section__header--center { margin-left: auto; margin-right: auto; text-align: center; }

.section__conclusion {
  text-align: center;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-top: var(--space-6);
}

.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.stack-lg > * + * { margin-top: var(--space-6); }

/* ===========================================================================
 * 5. Buttons
 * ======================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2); padding: 0.7rem 1.4rem;
  font: inherit; font-weight: 600; line-height: 1.2;
  text-align: center; text-decoration: none;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); box-shadow: none; }

/* Teal CTA — primary action */
.btn--cta { background: var(--color-cta); color: #fff; border-color: var(--color-cta); box-shadow: 0 2px 8px rgba(13, 148, 136, 0.25); }
.btn--cta:hover { background: var(--color-cta-hover); border-color: var(--color-cta-hover); color: #fff; box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3); }

/* Secondary — outline */
.btn--secondary { background: transparent; color: var(--color-primary); border-color: var(--color-line-strong); }
.btn--secondary:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* Ghost — for accent sections */
.btn--ghost { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--ghost:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Ghost on hero (dark overlay) stays white */
.hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.hero .btn--ghost:hover { background: rgba(255,255,255,0.15); border-color: #fff; color: #fff; }

/* Ghost on light background (home hero) - removed, hero is now dark */

.btn--lg { padding: 0.9rem 1.8rem; font-size: var(--fs-md); }
.btn--sm { padding: 0.5rem 1rem; font-size: var(--fs-sm); }

.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.btn-group--center { justify-content: center; }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

/* ===========================================================================
 * 6. Header / Nav / Language Toggle
 * ======================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 249, 255, 0.75);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.site-header__inner {
  display: flex; align-items: center; gap: var(--space-4);
  min-height: var(--header-h);
}

.site-header__logo {
  font-weight: 800; font-size: 1.4rem; letter-spacing: 0.02em;
  color: var(--color-primary); text-decoration: none; flex: 0 0 auto;
  display: flex; align-items: center;
}
.site-header__logo-img {
  height: 36px;
  width: auto;
}
.site-header__logo:hover { text-decoration: none; opacity: 0.85; }

.site-nav { flex: 1 1 auto; }
.site-nav__list {
  display: flex; align-items: center; gap: var(--space-1);
  margin: 0; padding: 0; list-style: none; flex-wrap: wrap;
}

.site-nav__link {
  display: inline-flex; align-items: center; padding: 0.5rem 0.6rem;
  color: var(--color-ink); text-decoration: none; font-weight: 500;
  font-size: var(--fs-sm); border-radius: var(--radius-sm); white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.site-nav__link:hover { color: var(--color-primary); background: var(--color-primary-light); text-decoration: none; }
.site-nav__item--active .site-nav__link { color: var(--color-primary); font-weight: 700; }

.site-header__actions {
  display: flex; align-items: center; gap: var(--space-3);
  margin-left: auto; flex: 0 0 auto;
}

.lang-toggle {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: 3px; background: var(--color-bg-alt);
  border: 1px solid var(--color-line); border-radius: var(--radius-pill);
}

.lang-toggle__btn {
  padding: 0.25rem 0.6rem; font: inherit; font-size: var(--fs-xs); font-weight: 600;
  color: var(--color-muted); background: none; border: 0;
  border-radius: var(--radius-pill); cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.lang-toggle__btn:hover { color: var(--color-primary); }
.lang-toggle__btn--active { color: #fff; background: var(--color-primary); }
.lang-toggle__btn--active:hover { color: #fff; }

/* ===========================================================================
 * 7. Hero
 * ======================================================================== */
.hero {
  position: relative; padding: var(--space-9) 0; color: #fff;
  background: linear-gradient(135deg, #042f2e 0%, #0D9488 40%, #2DD4BF 100%);
  overflow: hidden;
}

/* Home hero — fullscreen with background image */
.hero--pattern {
  background: linear-gradient(135deg, #042f2e 0%, #0D9488 40%, #2DD4BF 100%);
  color: #fff;
}

.hero::before {
  content: ""; position: absolute; top: -20%; right: -10%;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.12), transparent 70%);
}

.hero__inner { position: relative; z-index: 1; flex: 1; min-width: 0; }

.hero__layout {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  max-width: var(--maxw);
}

.hero__eyebrow { color: var(--color-accent); }
.hero__title { font-size: var(--fs-3xl); color: #fff; margin-bottom: var(--space-4); }
.hero__subtitle { font-size: var(--fs-md); color: rgba(255,255,255,0.85); margin-bottom: var(--space-3); }
.hero__lead { font-size: var(--fs-base); color: rgba(255,255,255,0.7); margin-bottom: var(--space-6); }
.hero .btn-group { margin-top: var(--space-2); }

/* Home hero text colors (dark bg with image overlay) */

/* ===========================================================================
 * 8. Cards
 * ======================================================================== */
.card {
  display: flex; flex-direction: column;
  background: #ffffff; border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
a.card, .card--link { color: inherit; text-decoration: none; }
a.card:hover, .card--link:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); text-decoration: none; }

.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; margin-bottom: var(--space-4);
  border-radius: var(--radius); background: var(--color-primary-light);
  color: var(--color-primary-mid); font-size: 1.5rem;
}
.card__title { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.card__text { color: var(--color-muted); margin-bottom: 0; }
.card__tag {
  display: inline-block;
  font-size: var(--fs-xs); font-weight: 600; color: var(--color-accent);
  margin-bottom: var(--space-2); letter-spacing: 0.02em;
}
.card__status {
  display: inline-block; margin-top: var(--space-3);
  font-size: var(--fs-xs); font-weight: 600; color: var(--color-muted);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill);
  background: var(--color-bg-alt); border: 1px solid var(--color-line);
}
.card__status--live { color: #276749; background: #f0fff4; border-color: #c6f6d5; }

/* ===========================================================================
 * 9. Problem Grid (Home Section 2)
 * ======================================================================== */
.problem-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}
.problem-grid__item {
  position: relative; padding: var(--space-4) var(--space-4) var(--space-4) var(--space-7);
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: var(--radius); font-size: var(--fs-sm); color: var(--color-ink-soft);
}
.problem-grid__item::before {
  content: "✗"; position: absolute; left: var(--space-4); top: var(--space-4);
  color: var(--color-cta); font-weight: 700;
}

/* ===========================================================================
 * 10. Timeline / Process Flow
 * ======================================================================== */
.timeline {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-5) var(--space-4); counter-reset: step;
}
.timeline__step {
  position: relative; counter-increment: step;
  padding-top: var(--space-6); text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.timeline__step::before {
  content: counter(step); position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: 50%;
  background: var(--color-accent); color: #fff; font-weight: 700; z-index: 1;
}
.timeline__step::after {
  content: ""; position: absolute; top: 1.125rem; left: calc(50% + 1.125rem);
  right: calc(-50% + 1.125rem); height: 2px; background: var(--color-line-strong);
}
.timeline__step:last-child::after { display: none; }
.timeline__title { font-size: var(--fs-sm); font-weight: 600; margin: 0; }
.timeline__deliverable {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-top: var(--space-2);
  line-height: var(--lh-snug);
}

/* ===========================================================================
 * 11. Stat Bar
 * ======================================================================== */
.stat-bar {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-5); padding: var(--space-6);
  background: #ffffff; border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.stat { text-align: center; padding: var(--space-2); }
.stat__value {
  display: block; font-size: var(--fs-2xl); font-weight: 800;
  line-height: 1.1; color: var(--color-primary); letter-spacing: -0.02em;
}
.stat__label { display: block; margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--color-muted); }

.section:not(.section--deep) .stat-bar {
  background: var(--color-bg); border-color: var(--color-line);
}
.section:not(.section--deep) .stat__value { color: var(--color-primary-mid); }
.section:not(.section--deep) .stat__label { color: var(--color-muted); }

/* ===========================================================================
 * 12. Capability Split (Home Section 7)
 * ======================================================================== */
.arch-diagram {
  margin-bottom: var(--space-7);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #f8fafc;
  padding: var(--space-4);
}
.arch-diagram img,
.arch-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.capability-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6);
}
.capability-split__heading {
  font-size: var(--fs-lg); margin-bottom: var(--space-4);
  padding-bottom: var(--space-3); border-bottom: 2px solid var(--color-accent);
}
.capability-list {
  list-style: none; padding: 0; margin: 0 0 var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.capability-list li {
  position: relative; padding-left: 1.5rem;
  font-size: var(--fs-sm); color: var(--color-ink-soft);
}
.capability-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.5rem; height: 0.5rem; border-radius: 2px;
  background: var(--color-accent);
}

/* ===========================================================================
 * 13. Quality Items (Home Section 8)
 * ======================================================================== */
.quality-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4); background: var(--color-bg);
  border: 1px solid var(--color-line); border-radius: var(--radius);
}
.quality-item__icon { font-size: 1.5rem; color: var(--color-accent-dark); flex: 0 0 auto; }
.quality-item__text { font-size: var(--fs-sm); font-weight: 500; }

/* ===========================================================================
 * Company Facts
 * ======================================================================== */
.fact-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4); margin: 0; padding: 0;
}
.fact-list__item {
  display: flex; flex-direction: column; gap: var(--space-1);
  padding: var(--space-4); background: var(--color-bg-alt);
  border-radius: var(--radius); border-left: 3px solid var(--color-accent);
}
.fact-list__item dt {
  font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent-dark);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.fact-list__item dd {
  margin: 0; font-size: var(--fs-sm); color: var(--color-ink-soft); line-height: var(--lh-normal);
}

/* ===========================================================================
 * Testimonials
 * ======================================================================== */
.testimonial {
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); padding: var(--space-5);
  margin: 0; display: flex; flex-direction: column; gap: var(--space-4);
}
.testimonial__text {
  font-size: var(--fs-sm); color: var(--color-ink-soft);
  line-height: var(--lh-normal); font-style: italic; margin: 0;
  position: relative; padding-left: var(--space-5);
}
.testimonial__text::before {
  content: "\201C"; position: absolute; left: 0; top: -0.2em;
  font-size: 2.5rem; color: var(--color-accent); font-style: normal; line-height: 1;
}
.testimonial__footer { margin-top: auto; }
.testimonial__cite { display: flex; flex-direction: column; gap: var(--space-1); font-style: normal; }
.testimonial__name { font-size: var(--fs-sm); font-weight: 700; color: var(--color-ink); }
.testimonial__role { font-size: var(--fs-xs); color: var(--color-muted); }
.testimonial__meta { font-size: var(--fs-xs); color: var(--color-accent-dark); }

/* Card note (small disclaimer text) */
.card__note {
  margin-top: var(--space-3); font-size: var(--fs-xs);
  color: var(--color-muted); font-style: italic; line-height: var(--lh-normal);
}

/*
 * 14. Industry Cards
 * ======================================================================== */
.industry-card {
  display: flex; gap: var(--space-5); padding: var(--space-6);
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.industry-card__icon {
  flex: 0 0 auto; font-size: 2.5rem; color: var(--color-accent-dark);
  width: 4rem; height: 4rem; display: flex; align-items: center; justify-content: center;
  background: var(--color-accent-soft); border-radius: var(--radius);
}
.industry-card__content { flex: 1 1 auto; }
.industry-card__title { font-size: var(--fs-xl); margin-bottom: var(--space-3); }
.industry-card__desc { color: var(--color-ink-soft); margin-bottom: var(--space-3); }
.industry-card__examples {
  font-size: var(--fs-sm); color: var(--color-muted); font-style: italic;
}

/* Industry Visual Cards (with hero images) */
.industry-showcase {
  gap: 2rem;
}
.industry-visual-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.industry-visual-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(10,37,64,0.12);
}
.industry-visual-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.industry-visual-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.industry-visual-card:hover .industry-visual-card__image img {
  transform: scale(1.03);
}
.industry-visual-card__body {
  padding: var(--space-5) var(--space-6);
}
.industry-visual-card__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}
.industry-visual-card__desc {
  color: var(--color-ink-soft);
  margin-bottom: var(--space-3);
}
.industry-visual-card__examples {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  font-style: italic;
  margin-bottom: var(--space-4);
}
@media (max-width: 640px) {
  .industry-showcase.grid--2 { grid-template-columns: 1fr; }
}

/* ===========================================================================
 * 15. Case Study Cards
 * ======================================================================== */
.case-card {
  padding: var(--space-6); background: var(--color-bg);
  border: 1px solid var(--color-line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.case-card__client {
  display: inline-block; margin-bottom: var(--space-2);
  font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--color-accent-dark);
}
.case-card__tag {
  display: inline-block; margin-bottom: var(--space-2);
  font-size: var(--fs-xs); font-weight: 600; color: var(--color-accent);
  letter-spacing: 0.02em;
}
.case-card__title { font-size: var(--fs-xl); margin-bottom: var(--space-3); }
.case-card__status {
  display: inline-block; margin-bottom: var(--space-5);
  font-size: var(--fs-xs); font-weight: 600; color: var(--color-muted);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill);
  background: var(--color-bg-alt); border: 1px solid var(--color-line);
}
.case-card__status--live { color: #276749; background: #f0fff4; border-color: #c6f6d5; }
.case-card__body { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
.case-card__section h4 { font-size: var(--fs-sm); color: var(--color-muted); margin-bottom: var(--space-2); text-transform: uppercase; letter-spacing: 0.04em; }
.case-card__section p { font-size: var(--fs-sm); color: var(--color-ink-soft); margin: 0; line-height: var(--lh-normal); }
.case-card__list {
  list-style: none; padding: 0; margin: 0;
  font-size: var(--fs-sm); color: var(--color-ink-soft); line-height: var(--lh-normal);
}
.case-card__list li { padding-left: 1.2em; position: relative; margin-bottom: var(--space-2); }
.case-card__list li::before { content: "→"; position: absolute; left: 0; color: var(--color-accent); }
.case-card__list li strong { color: var(--color-ink); }
.case-card__footer {
  margin-top: var(--space-5); padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}
.case-card__capabilities {
  font-size: var(--fs-xs); color: var(--color-muted); line-height: var(--lh-snug);
}
.case-card__note {
  margin-top: var(--space-3); font-size: var(--fs-xs);
  color: var(--color-muted); font-style: italic;
}

/* ===========================================================================
 * 16. Certification Wall
 * ======================================================================== */
.cert-wall__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-2); min-height: 100px; padding: var(--space-4);
  text-align: center; background: var(--color-bg);
  border: 1px solid var(--color-line); border-radius: var(--radius);
}
.cert-wall__name { font-weight: 700; font-size: var(--fs-sm); color: var(--color-ink); }
.cert-wall__name--small { font-size: var(--fs-xs); font-weight: 500; }

/* ===========================================================================
 * 17. Partner Wall
 * ======================================================================== */
.partner-wall {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
}
.partner-wall__item {
  display: flex; align-items: center; justify-content: center;
  min-height: 80px; padding: var(--space-4);
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: var(--radius); font-weight: 700; font-size: var(--fs-md);
  color: var(--color-ink-soft); filter: grayscale(1); opacity: 0.75;
  transition: filter var(--transition), opacity var(--transition);
}
.partner-wall__item:hover { filter: grayscale(0); opacity: 1; }

/* ===========================================================================
 * 18. Footer
 * ======================================================================== */
.site-footer {
  margin-top: var(--space-7); background: var(--color-bg-deep);
  color: var(--color-on-deep-muted); border-top: 1px solid var(--color-line);
}
.site-footer__inner {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6); padding: var(--space-7) var(--space-4) var(--space-6);
}
.site-footer__logo { font-weight: 800; font-size: 1.3rem; color: var(--color-primary); margin: 0 0 var(--space-2); }
.site-footer__tagline { color: var(--color-ink-soft); font-size: var(--fs-sm); max-width: 28ch; }
.site-footer__heading { font-size: var(--fs-base); color: var(--color-ink); margin: 0 0 var(--space-3); }
.site-footer__links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__links a { color: var(--color-ink-soft); font-size: var(--fs-sm); text-decoration: none; }
.site-footer__links a:hover { color: var(--color-primary); text-decoration: none; }
.site-footer__line { margin: var(--space-1) 0; font-size: var(--fs-sm); }
.site-footer__line--small { font-size: var(--fs-xs); }
.site-footer__line a { color: var(--color-primary); }
.site-footer__line a:hover { color: var(--color-accent-dark); text-decoration: none; }
.site-footer__lang { font-size: var(--fs-xs); color: var(--color-muted); margin-top: var(--space-3); }
.site-footer__bottom { padding: var(--space-4); font-size: var(--fs-xs); color: var(--color-muted); border-top: 1px solid var(--color-line); }

/* ===========================================================================
 * 19. Forms
 * ======================================================================== */
.inquiry-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--fs-sm); font-weight: 600; color: var(--color-ink-soft); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.6rem 0.8rem; font: inherit; font-size: var(--fs-sm);
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
  background: var(--color-bg); transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.checkbox-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2);
}
.checkbox-label {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-sm); font-weight: 400; color: var(--color-ink-soft); cursor: pointer;
}
.checkbox-label input[type="checkbox"] { accent-color: var(--color-accent); }

.form-error { margin-top: var(--space-4); padding: var(--space-4); background: #fff4e0; border-radius: var(--radius-sm); border: 1px solid #e8c97a; }
.form-error__text { margin: 0; color: #9a5b00; font-size: var(--fs-sm); }
.form-fallback { margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--color-muted); }

/* ===========================================================================
 * 20. Image & Visual Enhancements
 * ======================================================================== */

/* Hero with background image overlay */
.hero--img {
  background-size: cover;
  background-position: center;
}

.hero--img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(4,47,46,0.92) 0%, rgba(13,148,136,0.75) 40%, rgba(45,212,191,0.55) 100%);
  z-index: 0;
}

.hero--pattern {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Section illustration - floating image alongside content */
.section-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

.section-visual--reverse {
  direction: rtl;
}

.section-visual--reverse > * {
  direction: ltr;
}

.section-visual__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.section-visual__img img,
.section-visual__img svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Inline SVG icon usage in cards */
.card__svg-icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-4);
  padding: 0.5rem;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-primary-mid);
}

.section--deep .card__svg-icon {
  background: var(--color-accent-soft);
  color: var(--color-primary);
}

/* Industry card with SVG icon */
.industry-card__svg-icon {
  flex: 0 0 auto;
  width: 4rem;
  height: 4rem;
  padding: 0.75rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius);
  color: var(--color-accent-dark);
}

/* Image placeholder styling */
.img-placeholder {
  position: relative;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.img-placeholder img,
.img-placeholder svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-placeholder--tall { aspect-ratio: 2 / 3; }
.img-placeholder--wide { aspect-ratio: 16 / 9; }
.img-placeholder--square { aspect-ratio: 1 / 1; }

/* Photo grid for about/facility section */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: var(--space-3);
  height: 400px;
}

.photo-grid__item {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-primary-light);
}

.photo-grid__item:first-child {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
}

.photo-grid__item img,
.photo-grid__item svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating decorative elements */
.hero__illustration {
  position: relative;
  right: auto;
  top: auto;
  transform: none;
  width: 46%;
  max-width: 520px;
  flex-shrink: 0;
  opacity: 1;
  z-index: 1;
}

.hero__illustration img,
.hero__illustration svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

/* Process flow visual enhancement */
.process-visual {
  margin-top: var(--space-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  padding: var(--space-4);
}

.process-visual img,
.process-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Capability split with images */
.capability-split__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-5);
  aspect-ratio: 16 / 9;
  background: var(--color-primary-light);
}

.capability-split__visual img,
.capability-split__visual svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Stats section with background visual */
.section--stats-bg {
  position: relative;
  background: var(--color-bg-deep);
  overflow: hidden;
}

.section--stats-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../assets/hero-pattern.svg') center / cover no-repeat;
  opacity: 0.08;
}

.section--stats-bg > .container {
  position: relative;
  z-index: 1;
}

/* Quality page — certification badges visual styling */
.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--color-bg);
  border: 2px solid var(--color-line);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.cert-badge:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
}

.cert-badge__icon {
  width: 3.5rem;
  height: 3.5rem;
  color: var(--color-accent-dark);
}

.cert-badge__label {
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--color-ink);
}

/* Case study card with image */
.case-card__image {
  margin: calc(-1 * var(--space-6));
  margin-bottom: var(--space-5);
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-primary-light);
}

.case-card__image img,
.case-card__image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===========================================================================
 * 21. Utilities + Accessibility
 * ======================================================================== */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-4); top: -3rem; z-index: 200;
  padding: 0.5rem 1rem; background: var(--color-cta); color: #fff;
  border-radius: var(--radius-sm); transition: top var(--transition);
}
.skip-link:focus { top: var(--space-4); color: #fff; text-decoration: none; }

a:focus-visible, button:focus-visible, .btn:focus-visible,
.site-nav__link:focus-visible, .lang-toggle__btn:focus-visible {
  outline: 3px solid var(--color-accent); outline-offset: 2px;
}

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

/* ===========================================================================
 * 22. Responsive
 * ======================================================================== */
@media (max-width: 640px) {
  :root { --fs-3xl: 2.25rem; --fs-2xl: 1.875rem; --fs-xl: 1.5rem; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .capability-split { grid-template-columns: 1fr; }
  .section { padding-top: var(--space-7); padding-bottom: var(--space-7); }
  .hero { padding: var(--space-8) 0; }
  .industry-card { flex-direction: column; }
  .case-card__body { grid-template-columns: 1fr; }
  .section-visual { grid-template-columns: 1fr; }
  .hero__illustration { display: none; }
  .hero__layout { flex-direction: column; }
  .photo-grid { grid-template-columns: 1fr; height: auto; }
  .photo-grid__item:first-child { grid-row: auto; grid-column: auto; }
}

@media (max-width: 860px) {
  .site-header__inner { flex-wrap: wrap; gap: var(--space-3); padding-top: var(--space-2); padding-bottom: var(--space-2); }
  .site-nav { order: 3; flex-basis: 100%; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; border-top: 1px solid var(--color-line); padding-top: var(--space-2); }
  .site-nav__link { width: 100%; padding: 0.7rem 0.5rem; }
  .site-header__logo { flex: 1 1 auto; }
  .site-header__actions .btn--cta { display: none; }
}

@media (min-width: 1024px) {
  .hero__title { font-size: var(--fs-3xl); }
}

/* ===========================================================================
 * 23. Scroll Reveal Animations
 * ======================================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* Elements waiting to be revealed */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Active state - element is visible */
.reveal--visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Stagger children animations */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal-stagger.reveal--visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.reveal--visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.reveal--visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.reveal--visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.reveal--visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.reveal--visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.reveal--visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.reveal--visible > *:nth-child(8) { transition-delay: 0.4s; }
.reveal-stagger.reveal--visible > *:nth-child(9) { transition-delay: 0.45s; }

.reveal-stagger.reveal--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal--left, .reveal--right, .reveal--scale,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===========================================================================
 * 24. Enhanced Card Hover Effects
 * ======================================================================== */
.card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--color-accent);
}

.card--link {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card--link:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.card--link:hover .card__title {
  color: var(--color-primary);
}

/* Button shimmer animation for CTA */
.btn--cta {
  position: relative;
  overflow: hidden;
}

.btn--cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn--cta:hover::after {
  transform: translateX(100%);
}

/* Stat bar number counter effect */
.stat__value {
  transition: transform 0.3s ease;
}

.stat:hover .stat__value {
  transform: scale(1.1);
}

/* Timeline step hover */
.timeline__step {
  transition: transform 0.2s ease;
}

.timeline__step:hover {
  transform: translateY(-2px);
}

.timeline__step:hover::before {
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.2);
}

/* Testimonial card hover */
.testimonial {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

/* ===========================================================================
 * 25. Section Images
 * ======================================================================== */
.section-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  max-height: 360px;
  position: relative;
}

.section-image img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.6s ease;
}

.section-image:hover img {
  transform: scale(1.03);
}

.section-image--overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(15, 27, 61, 0.4));
  pointer-events: none;
}

/* Image grid for visual break sections */
.image-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.image-strip__item {
  border-radius: var(--radius);
  overflow: hidden;
}

.image-strip__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.image-strip__item:hover img {
  transform: scale(1.05);
}

@media (max-width: 640px) {
  .image-strip { grid-template-columns: 1fr; }
}

/* Flush section (no padding, used for image breaks) */
.section--flush { padding-top: 0; padding-bottom: 0; }

/* Video block */
.video-block {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(10,37,64,0.08);
}
.video-block__player {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

/* Patent grid */
.patent-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.patent-grid__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(10,37,64,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.patent-grid__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10,37,64,0.12);
}
.patent-grid__item img {
  width: 100%;
  height: auto;
  display: block;
}
.patent-grid__label {
  display: block;
  text-align: center;
  padding: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-alt);
}
@media (max-width: 900px) {
  .patent-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .patent-grid { grid-template-columns: 1fr; }
}

/* Product gallery grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.product-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10,37,64,0.10);
}
.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}
.product-card__name {
  display: block;
  text-align: center;
  padding: 0.75rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

/* ===========================================================================
 * 26. Fullscreen Hero with Background Image
 * ======================================================================== */
.hero--fullscreen {
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-bottom: var(--space-8);
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
}

.hero__bg-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(4,47,46,0.92) 0%, rgba(4,47,46,0.72) 35%, rgba(13,148,136,0.22) 70%, rgba(45,212,191,0.05) 100%);
}

.hero--fullscreen .hero__layout {
  position: relative;
  z-index: 1;
}

.hero--fullscreen .hero__inner {
  max-width: var(--maxw);
  text-align: left;
}

.hero--fullscreen .hero__title,
.hero--fullscreen .hero__subtitle,
.hero--fullscreen .hero__eyebrow {
  max-width: 680px;
}

.hero--fullscreen .hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

/* ===========================================================================
 * 27. Card with Image (Visual Cards)
 * ======================================================================== */
.card--visual {
  padding: 0;
  overflow: hidden;
}

.card--visual .card__image {
  width: 100%;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: #f5f7fa;
}

.card--visual .card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.card--visual:hover .card__image img {
  transform: scale(1.08);
}

.card--visual .card__title,
.card--visual .card__text {
  padding: 0 var(--space-4);
}

.card--visual .card__title {
  padding-top: var(--space-4);
}

.card--visual .card__text {
  padding-bottom: var(--space-4);
}

/* ===========================================================================
 * 28. Sticky Contact Bar
 * ======================================================================== */
.sticky-contact {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-primary);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 -4px 20px rgba(13, 148, 136, 0.2);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-contact--visible {
  transform: translateY(0);
}

.sticky-contact__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.sticky-contact__text {
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 500;
}

@media (max-width: 640px) {
  .sticky-contact__text { display: none; }
  .sticky-contact__inner { justify-content: center; }
  .hero--fullscreen { min-height: 40vh; }
}

/* ===========================================================================
 * 29. Certification Icons Grid
 * ======================================================================== */
.cert-icons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.cert-icons img {
  height: 50px;
  width: auto;
  max-width: 120px;
  transition: transform 0.2s ease;
}

.cert-icons img:hover {
  transform: scale(1.1);
}

/* ===========================================================================
 * 30. Brand Wall
 * ======================================================================== */
.brand-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.brand-wall img {
  width: 100%;
  height: 72px;
  object-fit: contain;
  padding: var(--space-4) var(--space-5);
  background: #fff;
  border: 1px solid var(--color-border, #e6e9ef);
  border-radius: 10px;
  opacity: 0.75;
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  filter: grayscale(60%);
}

.brand-wall img:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10,37,64,0.08);
  border-color: var(--color-primary, #1aa37a);
  filter: grayscale(0%);
}

/* Featured tier — larger logos */
.brand-wall--featured {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.brand-wall--featured img {
  height: 88px;
  opacity: 0.9;
  filter: grayscale(0%);
}

.brand-wall--featured img:hover {
  opacity: 1;
  transform: translateY(-2px);
}