/* GTS Academy — base styles */

:root {
  /* Brand: deep plum (#301929) + steel blue (#759FC9). Token names kept stable. */
  --navy-900: #301929;
  --navy-800: #3A1F33;
  --navy-700: #482942;
  --navy-500: #6B3D5C;
  --accent: #759FC9;
  --accent-dark: #5A85B8;
  --accent-soft: #DCE6F0;
  --text: #1F1019;
  --text-muted: #6B5A65;
  --bg: #FFFFFF;
  --bg-alt: #F7F4F6;
  --bg-soft: #F0EBEE;
  --border: #E8E0E5;
  --shadow-sm: 0 1px 2px rgba(48, 25, 41, 0.06), 0 1px 3px rgba(48, 25, 41, 0.04);
  --shadow-md: 0 4px 12px rgba(48, 25, 41, 0.08), 0 2px 4px rgba(48, 25, 41, 0.04);
  --shadow-lg: 0 12px 32px rgba(48, 25, 41, 0.14), 0 4px 8px rgba(48, 25, 41, 0.06);
  --radius: 8px;
  --radius-lg: 14px;
  --container: 1200px;
  --transition: 200ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

a { color: var(--navy-500); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }

h1, h2, h3, h4 {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy-900); color: rgba(255,255,255,0.92); }
.section--navy h2, .section--navy h3 { color: #fff; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 12px;
}
.section--navy .section-eyebrow { color: var(--accent); }

.section-header { max-width: 740px; margin-bottom: 48px; }
.section-header--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-header p { color: var(--text-muted); font-size: 1.0625rem; }
.section--navy .section-header p { color: rgba(255,255,255,0.78); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--navy-900);
  border-color: var(--accent);
}
.btn--primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary {
  background: var(--navy-900);
  color: #fff;
  border-color: var(--navy-900);
}
.btn--secondary:hover {
  background: var(--navy-700);
  border-color: var(--navy-700);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}
.btn--ghost:hover {
  background: var(--navy-900);
  color: #fff;
}
.section--navy .btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.section--navy .btn--ghost:hover {
  background: #fff;
  color: var(--navy-900);
  border-color: #fff;
}
.btn--sm { padding: 10px 18px; font-size: 0.875rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy-900);
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--navy-900); }
.brand__mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-500));
  color: var(--accent);
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 1.0625rem; }
.brand__sub { font-size: 0.6875rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: 6px;
  transition: all var(--transition);
}
.main-nav a:hover { background: var(--bg-alt); color: var(--navy-900); }
.main-nav a.active { color: var(--navy-900); font-weight: 600; }
.main-nav a.active::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--accent);
  margin-top: 4px;
  border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 10px; }

/* Lang switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 999px;
  transition: all var(--transition);
  letter-spacing: 0.04em;
}
.lang-switch button.active {
  background: var(--navy-900);
  color: #fff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy-900);
  margin: 5px auto;
  transition: transform var(--transition), opacity var(--transition);
}
body.nav-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 60%, var(--navy-500) 100%);
  color: #fff;
  padding: 96px 0 120px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(117,159,201,0.20), transparent 38%),
    radial-gradient(circle at 88% 82%, rgba(117,159,201,0.12), transparent 42%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, transparent);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(117,159,201,0.15);
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
  border: 1px solid rgba(117,159,201,0.4);
}
.hero__eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 999px; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(117,159,201,0.3);
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--accent); }
.hero p.lead {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero__meta-item { display: flex; flex-direction: column; }
.hero__meta-num {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.hero__meta-lbl {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}

.hero__card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 32px;
  backdrop-filter: blur(8px);
  position: relative;
}
.hero__card-title {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 20px;
}
.hero__card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.hero__card li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  transition: all var(--transition);
}
.hero__card li:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(117,159,201,0.5);
  transform: translateX(2px);
}
.hero__card-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: rgba(117,159,201,0.18);
  color: var(--accent);
  border-radius: 8px;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 0.875rem;
}
.hero__card-text { display: flex; flex-direction: column; }
.hero__card-text strong { color: #fff; font-size: 0.9375rem; }
.hero__card-text small { color: rgba(255,255,255,0.65); font-size: 0.8125rem; }

/* Trust strip */
.trust {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.trust-label {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
.trust-row ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}
.trust-row li {
  font-weight: 700;
  color: var(--navy-700);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-row li::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 999px;
}

/* Card grid */
.cards {
  display: grid;
  gap: 24px;
}
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--bg-alt);
  border-radius: 12px;
  margin-bottom: 20px;
  color: var(--navy-900);
}
.card__icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 10px; font-size: 1.1875rem; }
.card p { color: var(--text-muted); margin: 0; }
.card__link {
  margin-top: auto;
  padding-top: 20px;
  font-weight: 600;
  color: var(--navy-900);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card__link::after { content: "→"; transition: transform var(--transition); }
.card__link:hover::after { transform: translateX(4px); }

/* Test cards (more elaborate) */
.test-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.test-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--navy-500);
}
.test-card__head {
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.test-card__head h3 { color: #fff; margin: 0; font-size: 1.25rem; }
.test-card__badge {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  background: var(--accent);
  color: var(--navy-900);
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.test-card__body { padding: 28px 32px; display: flex; flex-direction: column; gap: 20px; }
.test-card__desc { color: var(--text-muted); margin: 0; }
.test-card__features { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.test-card__features li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  font-size: 0.9375rem;
}
.test-card__features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px; height: 20px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.test-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.test-card__meta-item { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 100px; }
.test-card__meta-lbl { color: var(--text-muted); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.test-card__meta-val { font-weight: 700; color: var(--navy-900); }
.test-card__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }

/* Feature list (Why choose us) */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature__num {
  font-family: "Inter", sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}
.feature h3 { font-size: 1.125rem; margin-bottom: 4px; }
.feature p { color: var(--text-muted); margin: 0; font-size: 0.9375rem; }

/* Partner band */
.partner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.partner__seal {
  position: relative;
  aspect-ratio: 1;
  max-width: 360px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-500));
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.partner__seal::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px dashed rgba(117,159,201,0.55);
  border-radius: 50%;
}
.partner__seal-inner { position: relative; z-index: 1; }
.partner__seal-inner small {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.partner__seal-inner strong {
  display: block;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.partner__seal-inner span {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
}

.partner__list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.partner__list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.partner__list-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.875rem;
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact-list li:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(117,159,201,0.5);
}
.contact-list__icon {
  width: 48px; height: 48px;
  background: rgba(117,159,201,0.18);
  color: var(--accent);
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-list__icon svg { width: 22px; height: 22px; }
.contact-list a { color: #fff; font-weight: 600; }
.contact-list small {
  display: block;
  color: rgba(255,255,255,0.65);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.contact-list a:hover { color: var(--accent); }

/* FAQ */
.faq-list { display: grid; gap: 12px; max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item[open] {
  border-color: var(--navy-500);
  box-shadow: var(--shadow-md);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-weight: 600;
  color: var(--navy-900);
  font-size: 1.0625rem;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--bg-alt);
  border-radius: 999px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy-900);
  transition: all var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  content: "−";
  background: var(--accent);
  transform: rotate(180deg);
}
.faq-item__body {
  padding: 0 28px 24px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 36px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(117,159,201,0.22), transparent 70%);
  pointer-events: none;
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.78); margin: 0; }
.cta-banner__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* About */
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; }
.about-stat {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.about-stat__num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.about-stat__num small { color: var(--accent-dark); }
.about-stat__lbl { font-size: 0.875rem; color: var(--text-muted); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; }
.about-list li { padding-left: 32px; position: relative; }
.about-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 18px; height: 18px;
  background: var(--accent);
  border-radius: 4px;
  transform: rotate(45deg);
}
.about-list h4 { font-size: 1rem; margin-bottom: 4px; }
.about-list p { color: var(--text-muted); margin: 0; font-size: 0.9375rem; }

/* Page header (interior pages) */
.page-header {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(117,159,201,0.18), transparent 50%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; margin-bottom: 16px; }
.page-header p { color: rgba(255,255,255,0.82); font-size: 1.125rem; max-width: 680px; margin: 0; }
.crumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.crumbs a { color: var(--accent); }
.crumbs a:hover { color: #fff; }
.crumbs span { color: rgba(255,255,255,0.4); }

/* Footer */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer h4 {
  color: #fff;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.site-footer ul a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
}
.site-footer ul a:hover { color: var(--accent); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9375rem; max-width: 320px; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand__name { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  display: grid; place-items: center;
  color: rgba(255,255,255,0.85);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--navy-900);
  transform: translateY(-2px);
}
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}

/* Floating WhatsApp */
.wa-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 50;
  transition: all var(--transition);
}
.wa-fab:hover {
  transform: scale(1.08);
  color: #fff;
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}
.wa-fab svg { width: 28px; height: 28px; }

/* Reveal — only hides when JS is active to avoid stuck-hidden state */
.reveal { transition: opacity 600ms ease, transform 600ms ease; }
.js-ready .reveal:not(.is-visible) { opacity: 0; transform: translateY(16px); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; }
  .js-ready .reveal { opacity: 1 !important; transform: none !important; }
}

/* Responsive */
@media (max-width: 992px) {
  .hero { padding: 72px 0 88px; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .cards--3 { grid-template-columns: repeat(2, 1fr); }
  .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .partner { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { grid-template-columns: 1fr; padding: 40px; }
}

@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .menu-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    height: calc(100vh - 76px);
    height: calc(100dvh - 76px);
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 280ms ease;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    gap: 4px;
    z-index: 99;
    border-top: 1px solid var(--border);
  }
  body.nav-open .main-nav { transform: translateX(0); }
  body.nav-open { overflow: hidden; }
  .main-nav a { padding: 14px 16px; border-radius: 10px; font-size: 1rem; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: var(--bg-alt); }
  .header-actions .btn { display: none; }
  .cards--3, .cards--4, .cards--2 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .test-card__head { flex-direction: column; align-items: flex-start; padding: 24px; }
  .test-card__body { padding: 24px; }
  .hero__meta { gap: 20px; }
  .hero__meta-num { font-size: 1.5rem; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .about-stat { padding: 20px; }
  .about-stat__num { font-size: 1.875rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .page-header { padding: 56px 0 64px; }
  .cta-banner { padding: 32px; }
  .partner__seal { max-width: 240px; padding: 28px; }
}

/* Lang variants — default RU shown */
[data-lang-kz] { display: none; }
html[lang="kz"] [data-lang-ru] { display: none; }
html[lang="kz"] [data-lang-kz] { display: inline; }

/* Print/clean focus */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}