/* ═══════════════════════════════════════
   COLIBRI CO:LAB — COMBINED THEME CSS
   Dark/Light mode via [data-theme] on <html>
   ═══════════════════════════════════════ */

/* ═══ FONTS ═══ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/Inter-Variable.woff2') format('woff2');
}

/* ═══ CSS CUSTOM PROPERTIES (DARK = DEFAULT) ═══ */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Accent colors (shared) */
  --accent: #72AE88;
  --terra: #C4553A;
  --green: #72AE88;

  /* Dark theme (default) */
  --bg: #0A0A0A;
  --bg-elevated: #141414;
  --bg-card: #1A1A1A;
  --bg-section-alt: #1E1E1E;

  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-tertiary: rgba(255, 255, 255, 0.48);
  --text-muted: rgba(255, 255, 255, 0.28);

  --border: rgba(255, 255, 255, 0.10);
  --border-dark: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.15);

  --nav-bg: rgba(10, 10, 10, 0.85);
  --card-shadow: rgba(0, 0, 0, 0.5);

  /* Likert/timeline dot inner */
  --dot-inner: #0A0A0A;

  /* Hero stays dark in both themes */
  --hero-bg: #0A0A0A;
  --hero-text: #FFFFFF;

  /* Expanded content / footer always dark */
  --expanded-bg: #0A0A0A;
  --expanded-text: #FFFFFF;
  --footer-bg: var(--bg);
  --footer-text: var(--text-primary);
}

/* ═══ LIGHT THEME ═══ */
[data-theme="light"] {
  --bg: #ffffff;
  --bg-elevated: #f4f1ee;
  --bg-card: #ffffff;
  --bg-section-alt: #f4f1ee;

  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-tertiary: #a8a29e;
  --text-muted: #d6d3d1;

  --border: #e7e5e4;
  --border-dark: #f5f5f4;
  --border-light: #d6d3d1;

  --nav-bg: rgba(255, 255, 255, 0.92);
  --card-shadow: rgba(28, 25, 23, 0.08);

  --dot-inner: #ffffff;

  /* Hero — light in light theme */
  --hero-bg: #f4f1ee;
  --hero-text: #1c1917;

  /* Expanded/footer stay dark in light theme */
  --expanded-bg: #1c1917;
  --expanded-text: #ffffff;
  --footer-bg: #1c1917;
  --footer-text: #ffffff;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.hidden { display: none !important; }
.page { min-height: 100vh; }

/* ═══ NAVIGATION ═══ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 64px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, transform 0.4s ease, opacity 0.4s ease;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}
nav.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-logo { cursor: pointer; display: flex; align-items: center; }
.nav-logo img { height: 28px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.01em;
  color: var(--text-secondary); cursor: pointer;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  background: #fff !important; color: #000 !important;
  padding: 8px 20px; border-radius: 100px;
  font-weight: 600 !important;
  transition: transform 0.15s, box-shadow 0.15s !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); }

/* Theme toggle button */
.theme-toggle {
  background: none; border: 1px solid var(--border-light);
  border-radius: 8px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.theme-toggle svg { width: 18px; height: 18px; fill: currentColor; }
.theme-toggle:hover { border-color: var(--text-tertiary); color: var(--text-primary); }

/* Hero toggle — always light colors since hero bg is always dark */
.hero-actions .theme-toggle {
  color: rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.15);
}
.hero-actions .theme-toggle:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* ═══ HERO ═══ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 100px 48px 60px;
  background: var(--hero-bg);
  color: var(--hero-text);
  position: relative;
}
.hero-brand {
  display: flex; flex-direction: column;
  align-items: center; gap: 16px;
  margin-bottom: 48px;
}
.hero-logo {
  height: 80px; width: 80px;
  max-height: 80px; max-width: 80px;
  object-fit: contain;
}
.hero-brand-name {
  font-size: 1.4rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  opacity: 0.85;
}
.hero h1 {
  font-size: 4rem; font-weight: 800;
  line-height: 1.1; letter-spacing: -0.03em;
  max-width: 800px;
}
.hero em { font-style: italic; color: #fff; }
.hero-sub {
  margin-top: 32px; font-size: 14px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  opacity: 0.5;
}
.hero-cta {
  display: inline-block; margin-top: 48px;
  background: #fff; color: #000;
  padding: 16px 40px; border-radius: 100px;
  font-family: var(--font); font-size: 15px; font-weight: 700;
  letter-spacing: -0.01em; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none; border: none;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255, 255, 255, 0.15); }
.hero-actions {
  position: absolute; top: 32px; right: 48px;
  display: flex; align-items: center; gap: 16px;
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
}
.hero-scroll span {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}

/* ═══ INTRO ═══ */
.intro {
  max-width: 700px; margin: 0 auto; padding: 100px 48px;
  text-align: center;
}
.intro h2 {
  font-size: 2.4rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 24px;
}
.intro p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 16px;
}

/* ═══ TWO PATHS ═══ */
.two-paths { max-width: 960px; margin: 0 auto; padding: 0 48px 80px; }
.paths-heading {
  font-size: 1.8rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 32px;
  text-align: center;
}
.paths-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.path-card {
  background: var(--bg-card);
  border-radius: 16px; padding: 32px;
  border: 1px solid var(--border);
  transition: transform 0.2s;
}
.path-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 12px; color: var(--text-tertiary);
}
.path-card h3 {
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -0.01em; margin-bottom: 16px;
}
.path-card ul { list-style: none; }
.path-card li {
  position: relative; padding-left: 20px;
  font-size: 14px; color: var(--text-secondary);
  margin-bottom: 10px; line-height: 1.6;
}
.path-a li::before { content: '×'; position: absolute; left: 0; color: var(--terra); font-weight: 700; }
.path-b li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.paths-bridge {
  text-align: center; margin-top: 32px;
  font-size: 15px; color: var(--text-secondary);
  font-style: italic;
}

/* ═══ FEATURE CARDS ═══ */
.cards-section {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; max-width: 960px; margin: 0 auto;
  padding: 0 48px 60px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: 0 12px 40px var(--card-shadow); }
.card-image { aspect-ratio: 16/10; overflow: hidden; }
.card-image img, .card-image svg { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.card-body p { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }
.card-body .arrow { opacity: 0.4; transition: opacity 0.2s; }
.feature-card:hover .arrow { opacity: 1; }

/* ═══ EXPANDED CONTENT ═══ */
.expanded-content {
  max-height: 0; overflow: hidden;
  background: var(--expanded-bg);
  color: var(--expanded-text);
  transition: max-height 0.5s ease;
}
.expanded-content.open { max-height: 3000px; }
.expanded-inner {
  max-width: 960px; margin: 0 auto;
  padding: 60px 48px 80px;
}
.expanded-inner h3 {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.expanded-inner p {
  font-size: 15px; line-height: 1.8;
  color: rgba(255, 255, 255, 0.8); margin-bottom: 16px;
}
.close-btn {
  background: none; border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
  padding: 8px 20px; border-radius: 100px;
  font-family: var(--font); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  margin-bottom: 32px;
}
.close-btn:hover { border-color: rgba(255, 255, 255, 0.3); color: #fff; }

/* Capabilities grid */
.capabilities-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin: 32px 0;
}
.capability-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px; padding: 24px;
}
.capability-card .label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green); margin-bottom: 8px;
}
.capability-card h4 {
  font-size: 14px; font-weight: 600;
  letter-spacing: -0.01em; margin-bottom: 12px;
  color: #fff;
}
.capability-card p {
  font-size: 13px; color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
}

/* ═══ WHITE SECTIONS ═══ */
.white-section {
  max-width: 960px; margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr;
  gap: 40px; padding: 80px 48px;
  border-bottom: 1px solid var(--border);
}
.ws-num {
  font-size: 5rem; font-weight: 800;
  line-height: 1; color: var(--text-muted);
  letter-spacing: -0.03em;
}
.ws-content h2 {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.ws-content p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 12px;
}

/* ═══ GREY SECTIONS ═══ */
.grey-sections { overflow: hidden; }
.grey-section {
  padding: 80px 48px;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.grey-section.visible { opacity: 1; transform: translateY(0); }
.grey-section.dark { background: var(--bg-section-alt); }
.grey-section.light { background: var(--bg); }
.grey-section-inner {
  max-width: 960px; margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr;
  gap: 40px; align-items: start;
}
.gs-num {
  font-size: 5rem; font-weight: 800;
  line-height: 1; color: var(--text-muted);
  letter-spacing: -0.03em;
}
.gs-content h2 {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.gs-content p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 12px;
}
.pull-quote {
  font-size: 18px; font-weight: 300;
  color: var(--text-tertiary);
  font-style: italic; line-height: 1.6;
}

/* Invitation list */
.invitation-list {
  list-style: none;
  margin: 20px 0 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.invitation-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.invitation-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

/* Timeline (in grey section) */
.timeline-light {
  margin-top: 8px; position: relative;
  border-left: 2px solid var(--border-light);
  margin-left: 5px;
}
.timeline-light-item {
  position: relative; padding-left: 24px;
  padding-bottom: 28px;
}
.timeline-light-item:last-child { padding-bottom: 0; }
.timeline-light-item::before {
  content: ''; position: absolute;
  left: -6px; top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--dot-inner);
  border: 2px solid var(--text-muted);
}
.timeline-light-item.active::before { border-color: var(--green); background: var(--green); }
.tl-date {
  font-size: 13px; font-weight: 700;
  letter-spacing: -0.01em; margin-bottom: 4px;
}
.tl-text {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.65;
}

/* ═══ CTA SECTION ═══ */
.cta-section {
  text-align: center; padding: 80px 48px 100px;
}
.cta-btn {
  display: inline-block;
  background: var(--text-primary); color: var(--bg);
  padding: 16px 40px; border-radius: 100px;
  font-family: var(--font); font-size: 15px; font-weight: 700;
  letter-spacing: -0.01em; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none; border: none;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15); }
.cta-sub {
  margin-top: 20px; font-size: 13px;
  color: var(--text-tertiary);
}
.cta-sub a { color: var(--text-secondary); text-decoration: underline; }

/* ═══ FOOTER ═══ */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 48px 36px;
  border-top: 1px solid var(--border);
  transition: background-color 0.3s ease, color 0.3s ease;
}
.footer-inner { max-width: 960px; margin: 0 auto; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p { font-size: 15px; font-weight: 600; line-height: 1.6; }
.footer-brand span { font-weight: 400; opacity: 0.5; }
.footer-col h4 {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 16px; opacity: 0.5;
}
.footer-col a {
  display: block; font-size: 14px;
  color: inherit; opacity: 0.6;
  text-decoration: none; margin-bottom: 8px;
  transition: opacity 0.2s;
}
.footer-col a:hover { opacity: 1; }
.footer-copyright {
  font-size: 12px; opacity: 0.3;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* Light theme overrides */
[data-theme="light"] footer {
  border-top-color: rgba(255,255,255,0.08);
}
[data-theme="light"] .footer-copyright {
  border-top-color: rgba(255,255,255,0.08);
}
[data-theme="light"] .feature-card,
[data-theme="light"] .path-card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
  border-color: transparent;
}
[data-theme="light"] .feature-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .grey-section.dark {
  background: var(--bg-section-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Light theme hero — dark text on light bg */
[data-theme="light"] .hero em { color: #1c1917; }
[data-theme="light"] .hero-cta {
  background: #1c1917; color: #ffffff;
}
[data-theme="light"] .hero-cta:hover {
  box-shadow: 0 8px 32px rgba(28, 25, 23, 0.2);
}
[data-theme="light"] .hero-actions .theme-toggle {
  color: rgba(28, 25, 23, 0.5);
  border-color: rgba(28, 25, 23, 0.15);
}
[data-theme="light"] .hero-actions .theme-toggle:hover {
  color: #1c1917;
  border-color: rgba(28, 25, 23, 0.3);
}
[data-theme="light"] .hero-scroll span {
  background: linear-gradient(to bottom, rgba(28, 25, 23, 0.3), transparent);
}

/* ═══ FADE-IN ANIMATION ═══ */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════
   SURVEY STYLES
   ═══════════════════════════════════════ */
.survey-page { background: var(--bg); padding-top: 64px; }
.survey-container {
  max-width: 640px; margin: 0 auto;
  padding: 60px 48px 120px;
}

/* Progress bar */
.survey-progress { margin-bottom: 48px; }
.progress-bar {
  height: 3px; background: var(--border);
  border-radius: 4px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--green);
  border-radius: 4px; transition: width 0.4s ease;
}
.progress-label {
  font-size: 12px; font-weight: 600;
  color: var(--text-tertiary);
  margin-top: 8px; text-align: right;
}

/* Steps */
.survey-step { display: none; }
.survey-step.active { display: block; }
.step-header { margin-bottom: 40px; }
.step-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green); margin-bottom: 8px;
}
.step-title {
  font-size: 1.8rem; font-weight: 800;
  letter-spacing: -0.02em;
}
.step-sub {
  font-size: 14px; color: var(--text-tertiary);
  margin-top: 8px;
}

/* Questions */
.question { margin-bottom: 36px; }
.question > p {
  font-size: 15px; font-weight: 600;
  letter-spacing: -0.01em; margin-bottom: 16px;
}
.hint {
  font-size: 12px; color: var(--text-tertiary);
  margin-bottom: 12px;
}
.info-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 20px;
  margin-bottom: 16px;
}
.info-block p {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.6;
}

/* Likert scale */
.likert {
  display: flex; gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
}
.likert label {
  flex: 1; padding: 16px 8px;
  text-align: center; cursor: pointer;
  border-right: 1px solid var(--border);
  transition: background 0.15s;
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
}
.likert label:last-child { border-right: none; }
.likert label:hover { background: var(--bg-card); }
.likert input { display: none; }
.likert .dot {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border-light);
  transition: all 0.15s;
}
.likert input:checked ~ .dot {
  border-color: var(--green);
  background: var(--green);
  box-shadow: inset 0 0 0 3px var(--dot-inner);
}
.likert span {
  font-size: 11px; color: var(--text-tertiary);
  line-height: 1.3;
}

/* Options (checkboxes/radios) */
.options { display: flex; flex-direction: column; gap: 8px; }
.option-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer;
  font-size: 14px; transition: border-color 0.15s;
}
.option-item:hover { border-color: var(--border-light); }
.option-item input { display: none; }
.check {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border-light);
  transition: all 0.15s;
  flex-shrink: 0;
}
.check.square { border-radius: 4px; }
.option-item input:checked ~ .check {
  border-color: var(--green);
  background: var(--green);
  box-shadow: inset 0 0 0 3px var(--dot-inner);
}

/* Text inputs */
.text-input, .textarea-input, .select-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color 0.2s;
  outline: none;
}
.text-input:focus, .textarea-input:focus, .select-input:focus {
  border-color: var(--green);
}
.text-input::placeholder, .textarea-input::placeholder {
  color: var(--text-muted);
}
.textarea-input {
  min-height: 100px; resize: vertical;
  line-height: 1.6;
}
.select-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23999'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* Form row */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row label {
  display: block; font-size: 13px; font-weight: 600;
  margin-bottom: 8px; color: var(--text-secondary);
}

/* Toggle switches */
.toggle-row {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text-secondary);
}
.toggle {
  width: 44px; height: 24px; border-radius: 12px;
  background: var(--border-light);
  position: relative; cursor: pointer;
  transition: background 0.2s;
}
.toggle::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--text-primary);
  transition: transform 0.2s;
}
.toggle.on { background: var(--green); }
.toggle.on::after { transform: translateX(20px); }

/* Step navigation */
.step-nav {
  display: flex; justify-content: space-between;
  align-items: center; margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.step-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 100px;
  font-family: var(--font); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
  border: none;
}
.step-btn.prev {
  background: none;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
}
.step-btn.prev:hover { border-color: var(--border-light); color: var(--text-secondary); }
.step-btn.next, .step-btn.submit {
  background: var(--green); color: #fff;
}
.step-btn.next:hover, .step-btn.submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(114, 174, 136, 0.3);
}

/* Consent checkbox */
.consent-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 24px; margin-bottom: 16px;
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.6;
}
.consent-row input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--green);
  flex-shrink: 0;
}
.consent-row a { color: var(--green); text-decoration: underline; }

/* Survey footer */
.survey-footer {
  text-align: center;
  padding-top: 16px;
}
.survey-footer p { color: var(--text-tertiary); }
.survey-footer a { color: var(--green); text-decoration: underline; }

/* ═══════════════════════════════════════
   PRIVACY NOTICE MODAL
   ═══════════════════════════════════════ */
.privacy-modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  justify-content: center; align-items: flex-start;
  padding: 40px 24px; overflow-y: auto;
}
.privacy-modal {
  background: #fff; color: #1a1a1a; border-radius: 16px;
  max-width: 720px; width: 100%; position: relative;
  font-family: var(--font); line-height: 1.7;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.privacy-header {
  padding: 32px 40px 24px; border-bottom: 2px solid var(--green);
  display: flex; align-items: center; justify-content: space-between;
}
.privacy-header img { height: 32px; width: auto; }
.privacy-close {
  background: none; border: 1px solid #ddd; border-radius: 8px;
  padding: 8px 16px; cursor: pointer; font-family: var(--font);
  font-size: 13px; font-weight: 600; color: #666; transition: all 0.2s;
}
.privacy-close:hover { border-color: #333; color: #333; }
.privacy-body {
  padding: 32px 40px 40px;
  font-size: 13px; color: #333;
}
.privacy-body h2 {
  font-size: 18px; font-weight: 800; color: var(--green);
  margin: 0 0 20px; letter-spacing: -0.01em;
}
.privacy-body h3 {
  font-size: 14px; font-weight: 700; color: var(--green);
  margin: 24px 0 8px; letter-spacing: -0.01em;
}
.privacy-body p { margin-bottom: 12px; line-height: 1.7; }
.privacy-body ul { padding-left: 20px; margin-bottom: 12px; }
.privacy-body li { margin-bottom: 6px; line-height: 1.65; }
.privacy-body .divider {
  height: 1px; background: var(--green);
  opacity: 0.3; margin: 28px 0;
}
.privacy-body a { color: var(--green); text-decoration: underline; }
.privacy-footer {
  padding: 20px 40px 28px; border-top: 2px solid var(--green);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: #999;
}
.privacy-footer img { height: 24px; width: auto; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 0 24px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { min-height: 80vh; padding: 68px 24px 0; }
  .hero-actions { right: 24px; top: 24px; }
  .hero h1 { font-size: 2.6rem; }
  .intro { padding: 60px 24px; }
  .cards-section { grid-template-columns: 1fr; padding: 0 24px 60px; }
  .two-paths { padding: 0 24px 60px; }
  .paths-grid { grid-template-columns: 1fr; }
  .paths-heading { font-size: 1.4rem; }
  .expanded-inner { padding: 40px 24px 60px; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .white-section { grid-template-columns: 1fr; gap: 12px; padding: 60px 24px; }
  .ws-num { font-size: 3rem; }
  .grey-section { padding: 60px 24px; }
  .grey-section-inner { grid-template-columns: 1fr; gap: 12px; }
  .gs-num { font-size: 3rem !important; }
  .cta-section { padding: 60px 24px 80px; }
  footer { padding: 60px 24px 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .survey-container { padding: 40px 24px 80px; }
  .step-title { font-size: 1.4rem; }
  .form-row { grid-template-columns: 1fr; }
  .likert label { font-size: 10px; padding: 10px 2px; }
  .step-nav { flex-direction: column-reverse; gap: 12px; }
  .step-btn { width: 100%; justify-content: center; }
  .privacy-modal-overlay { padding: 20px 12px; }
  .privacy-header, .privacy-body, .privacy-footer { padding-left: 24px; padding-right: 24px; }
  .privacy-body { font-size: 12px; }
}
