/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:      #8BC34A;
  --cyan:       #00BCD4;
  --teal:       #0D6E82;
  --dark:       #0E1A1E;
  --dark2:      #152228;
  --dark3:      #1C2E35;
  --card-bg:    #182830;
  --text:       #E8F0F2;
  --text-muted: #7A9BA8;
  --border:     rgba(255,255,255,0.07);
  --font-head:  'Space Grotesk', sans-serif;
  --font-body:  'Inter', sans-serif;
  --radius:     12px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
strong { font-weight: 600; color: #fff; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--green); }

/* ===== NAV ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(14,26,30,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(14,26,30,0.97);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo img {
  height: 48px;
  width: auto;
  display: block;
}
.logo-warner {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}
.logo-lab {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 0 8px;
  min-width: 240px;
  list-style: none;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.dropdown-menu li a:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #0E1A1E;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  padding: 14px 32px;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { background: #a2d862; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  padding: 13px 32px;
  border-radius: 999px;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-ghost.small { padding: 9px 22px; font-size: 13px; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,188,212,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(139,195,74,0.08) 0%, transparent 60%),
    var(--dark);
}
.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--cyan);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 20px;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== INTRO STRIP ===== */
.intro-strip {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.intro-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 200px;
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-dark { background: var(--dark2); }

.section-header {
  margin-bottom: 64px;
  max-width: 600px;
}
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ===== TWO COL ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.text-block p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 16px;
}
.text-block p:last-child { margin-bottom: 0; }

.pillars-block {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pillar-icon {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--green);
  margin-top: 2px;
}
.pillar h4 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.pillar p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  opacity: 0;
  transition: var(--transition);
}
.card:hover { border-color: rgba(139,195,74,0.3); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 16px;
}
.card h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.2;
}
.card p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.card-arrow {
  font-size: 20px;
  color: var(--green);
  display: block;
}

/* ===== QUIZ CTA ===== */
.quiz-cta-section { background: var(--dark); }
.quiz-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.quiz-cta-text p {
  color: var(--text-muted);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 440px;
}
.quiz-cta-text h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.quiz-preview {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.qp-line {
  height: 12px;
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
}
.qp-line.short { width: 60%; }
.qp-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.qp-opt {
  height: 44px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.qp-opt.active {
  border-color: var(--green);
  background: rgba(139,195,74,0.08);
}

/* ===== STEPS ===== */
.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  padding: 32px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-arrow {
  flex-shrink: 0;
  font-size: 24px;
  color: var(--green);
  align-self: center;
  padding: 0 8px;
}
.step-num {
  display: block;
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 700;
  color: rgba(139,195,74,0.2);
  line-height: 1;
  margin-bottom: 12px;
}
.step h4 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.step p { font-size: 14px; color: var(--text-muted); }

/* ===== HERO WITH IMAGE ===== */
.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(14,26,30,0.55) 0%,
    rgba(14,26,30,0.75) 60%,
    rgba(14,26,30,0.98) 100%
  );
}
.hero { position: relative; overflow: hidden; }
.hero-content { position: relative; z-index: 1; }
.hero-scroll-hint { position: absolute; z-index: 1; }

/* ===== IMAGE BREAK ===== */
.img-break {
  position: relative;
  height: 420px;
  overflow: hidden;
}
.img-break img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.45);
}
.img-break-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.img-break-overlay blockquote {
  font-family: var(--font-head);
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 500;
  text-align: center;
  color: #fff;
  line-height: 1.5;
  max-width: 760px;
  border-left: 3px solid var(--green);
  padding-left: 28px;
  text-align: left;
}

/* ===== CARDS WITH IMAGES ===== */
.card.card-img { padding: 0; overflow: hidden; }
.card-img-wrap {
  width: 100%; height: 200px;
  overflow: hidden;
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.card:hover .card-img-wrap img { transform: scale(1.04); }
.card-body {
  padding: 28px 28px 28px;
}
.card.card-img .card-tag { margin-bottom: 12px; }
.card.card-img h3 { margin-bottom: 10px; }
.card.card-img p { margin-bottom: 20px; }

/* ===== ICON GRID ===== */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.icon-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
}
.icon-card:hover { border-color: rgba(139,195,74,0.3); transform: translateY(-2px); }
.icon-circle {
  width: 52px; height: 52px;
  background: rgba(139,195,74,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin-bottom: 16px;
}
.icon-card h4 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.icon-card p { font-size: 14px; color: var(--text-muted); }

/* ===== STEP ICON ===== */
.step-icon {
  width: 44px; height: 44px;
  background: rgba(0,188,212,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 16px;
}

/* ===== INNER PAGE HERO IMAGE ===== */
.page-hero-img {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  padding: 80px 0 60px;
  overflow: hidden;
  margin-top: 68px;
}
.page-hero-img-bg {
  position: absolute;
  inset: 0;
}
.page-hero-img-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.page-hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(14,26,30,0.92) 0%,
    rgba(14,26,30,0.6) 60%,
    rgba(14,26,30,0.2) 100%
  );
}
.page-hero-img .container { position: relative; z-index: 1; }
.page-hero-img .section-label { margin-bottom: 12px; }
.page-hero-img h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 620px;
  margin-bottom: 16px;
}
.page-hero-img p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 28px;
}

/* ===== PILLAR ICON WRAP ===== */
.pillar-icon.icon-wrap {
  font-size: inherit;
  color: var(--green);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pillar-icon.icon-wrap svg { width: 26px; height: 26px; }

@media (max-width: 900px) {
  .icon-grid { grid-template-columns: repeat(2, 1fr); }
  .img-break { height: 280px; }
  .img-break-overlay blockquote { font-size: 17px; }
}
@media (max-width: 640px) {
  .icon-grid { grid-template-columns: 1fr; }
  .page-hero-img { min-height: 360px; }
  .page-hero-img-overlay {
    background: linear-gradient(to bottom, rgba(14,26,30,0.7) 0%, rgba(14,26,30,0.92) 100%);
  }
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 160px 24px 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,188,212,0.10) 0%, transparent 70%),
    var(--dark);
}
.page-hero .section-label { margin-bottom: 16px; }
.page-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 20px;
}
.page-hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 36px;
}

/* ===== CONTENT SECTIONS ===== */
.content-section { padding: 80px 0; }
.content-section h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.content-section p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 16px;
  max-width: 680px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 32px 0;
}
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text-muted);
}
.feature-list li::before {
  content: '✓';
  flex-shrink: 0;
  color: var(--green);
  font-weight: 700;
  margin-top: 1px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.topic-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.topic-card h4 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.topic-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; max-width: none; }

/* ===== QUIZ ===== */
.quiz-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.quiz-block {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px;
  margin-bottom: 32px;
}
.quiz-block h2 {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.quiz-block .quiz-intro {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 15px;
}
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 13px;
  color: var(--text-muted);
}
.quiz-progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  border-radius: 4px;
  transition: width 0.4s ease;
}
.question-wrap { display: none; }
.question-wrap.active { display: block; }

/* Remove "Avanti" button — auto-advance via JS */
.quiz-nav .next-btn,
.quiz-nav .next-btn2,
.quiz-nav .submit-btn,
.quiz-nav .submit-btn2 { display: none; }
.question-text {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 24px;
  line-height: 1.35;
}
.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.option-btn {
  width: 100%;
  text-align: left;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
}
.option-btn:hover { border-color: var(--green); background: rgba(139,195,74,0.06); }
.option-btn.selected { border-color: var(--green); background: rgba(139,195,74,0.1); color: #fff; }
.option-btn.multi-select { }
.quiz-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.quiz-nav button {
  background: var(--green);
  color: #0E1A1E;
  border: none;
  border-radius: 999px;
  padding: 12px 28px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.quiz-nav button:hover { background: #a2d862; }
.quiz-nav button.ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.quiz-nav button.ghost:hover { border-color: var(--text-muted); color: var(--text); background: none; }

.quiz-result { display: none; }
.quiz-result.active { display: block; }
.result-badge {
  display: inline-block;
  padding: 8px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.badge-green { background: rgba(139,195,74,0.15); color: var(--green); border: 1px solid rgba(139,195,74,0.3); }
.badge-yellow { background: rgba(255,193,7,0.15); color: #FFC107; border: 1px solid rgba(255,193,7,0.3); }
.badge-red { background: rgba(244,67,54,0.15); color: #F44336; border: 1px solid rgba(244,67,54,0.3); }

.result-title {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}
.result-text { color: var(--text-muted); font-size: 16px; margin-bottom: 28px; max-width: none; }
.result-cta { display: flex; flex-direction: column; align-items: center; gap: 16px; }

/* quiz-result: center badge + title, full-width for quiz1 CTA */
.quiz-result { text-align: center; }
.quiz-result .result-title { text-align: center; }
.quiz-result .result-text { text-align: center; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  max-width: 960px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--green); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { appearance: none; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.info-item h4 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 6px;
}
.info-item p { font-size: 15px; color: var(--text-muted); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.values-list { list-style: none; display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.values-list li {
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text-muted);
}
.values-list li strong { display: block; margin-bottom: 4px; color: var(--text); font-family: var(--font-head); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-warner { font-size: 10px; }
.footer-brand .logo-lab { font-size: 13px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.footer-links h5,
.footer-contact h5 {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-contact p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== MOBILE ===== */
@media (max-width: 900px) {
  .two-col,
  .quiz-cta-inner,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; }
  .step-arrow { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--dark2);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    background: var(--dark3);
    padding: 4px 0;
    display: none;
  }
  .dropdown.open .dropdown-menu { display: block; }
  .hero-title { font-size: 44px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .quiz-block { padding: 28px 20px; }
}