/* ═══════════════════════════════════════════════════════════════════════
   Learning Buddy — Landing Page CSS
   Design System: Buddy Orange #FF9800 · Indigo #4F46E5 · Mint #10B981 · Lavender #A855F7
   Font: Plus Jakarta Sans · Style: Soft 3D Glassmorphism
   ═══════════════════════════════════════════════════════════════════════ */

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

:root {
  --orange:        #FF9800;
  --orange-d:      #E65100;
  --orange-l:      #FFF3E0;
  --orange-glow:   rgba(255,152,0,0.35);
  --indigo:        #4F46E5;
  --indigo-d:      #3730A3;
  --indigo-l:      #EEF2FF;
  --indigo-dark:   #1E1B4B;
  --mint:          #10B981;
  --mint-d:        #059669;
  --mint-l:        #D1FAE5;
  --lavender:      #A855F7;
  --lavender-d:    #7E22CE;
  --lavender-l:    #F3E8FF;

  --bg:            #F8F5F0;
  --bg-dark:       #0F0D1A;
  --surface:       rgba(255,255,255,0.75);
  --white:         #FFFFFF;
  --on-dark:       rgba(255,255,255,0.90);
  --on-dark-2:     rgba(255,255,255,0.60);
  --text:          #1C1917;
  --text-2:        #57534E;
  --text-3:        #A8A29E;
  --border:        rgba(255,255,255,0.22);
  --border-dark:   rgba(0,0,0,0.08);

  --r-sm:   10px;
  --r-md:   18px;
  --r-lg:   28px;
  --r-xl:   40px;
  --r-full: 9999px;

  --shadow-sm:     0 2px 8px rgba(0,0,0,.08);
  --shadow-md:     0 4px 24px rgba(0,0,0,.12);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.16);
  --shadow-orange: 0 6px 28px rgba(255,152,0,.40);
  --shadow-indigo: 0 6px 28px rgba(79,70,229,.35);

  --container:     1100px;
  --section-py:    96px;
  --t:             200ms ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

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

/* ── Typography ───────────────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 6vw, 72px); }
h2 { font-size: clamp(28px, 4vw, 48px); }
h3 { font-size: clamp(18px, 2.5vw, 22px); font-weight: 700; }

.center { text-align: center; }
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-h2 { margin-bottom: 16px; }
.section-sub {
  font-size: 18px;
  color: var(--text-2);
  max-width: 600px;
  line-height: 1.7;
}
.section-sub.center { margin: 0 auto; }
.section-sub.light { color: var(--on-dark-2); }

em { font-style: italic; color: var(--orange); }

/* ── Sections ─────────────────────────────────────────────────────────── */
.section {
  padding: var(--section-py) 0;
  position: relative;
  overflow: hidden;
}
.section--light { background: var(--white); }
.section--dark  { background: var(--bg-dark); color: var(--on-dark); }
.section-h2.light { color: var(--on-dark); }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 700;
  border: none;
  cursor: pointer;
  border-radius: var(--r-full);
  transition: transform var(--t), box-shadow var(--t), background var(--t);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.96) !important; }

.btn--orange {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 0 var(--orange-d), var(--shadow-orange);
}
.btn--orange:hover {
  background: #FFB74D;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--orange-d), 0 8px 32px var(--orange-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--on-dark);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover { background: rgba(255,255,255,0.1); }

.btn--glass {
  background: rgba(255,255,255,0.12);
  color: var(--on-dark);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}
.btn--glass:hover { background: rgba(255,255,255,0.20); }

.btn--sm  { padding: 10px 20px; font-size: 14px; }
.btn--lg  { padding: 16px 32px; font-size: 16px; }
.btn--xl  { padding: 20px 40px; font-size: 18px; }
.btn--full { width: 100%; justify-content: center; }

.btn .material-icons-round { font-size: 20px; }

/* ── Badge ────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 600;
}
.badge--glass {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--on-dark);
  backdrop-filter: blur(8px);
}

/* ═══════════════════════════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--t), box-shadow var(--t), padding var(--t);
}
.nav--scrolled {
  background: rgba(15,13,26,0.90);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08);
  padding: 10px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav__brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-dark-2);
  transition: color var(--t);
}
.nav__links a:hover { color: var(--white); }

/* Buddy mark (nav/footer logo icon) */
.buddy-mark {
  width: 36px; height: 36px;
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(255,138,0,0.45));
}

/* ═══════════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: var(--bg-dark);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Floating particles */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: float-particle 6s ease-in-out infinite;
}
.particle--1 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,152,0,0.18) 0%, transparent 70%);
  top: -80px; right: -60px;
  animation-duration: 7s;
}
.particle--2 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(79,70,229,0.22) 0%, transparent 70%);
  bottom: 100px; left: -60px;
  animation-duration: 9s; animation-delay: -2s;
}
.particle--3 {
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(168,85,247,0.20) 0%, transparent 70%);
  bottom: 200px; right: 100px;
  animation-duration: 8s; animation-delay: -4s;
}
.particle--4 {
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(16,185,129,0.18) 0%, transparent 70%);
  top: 40%; left: 40%;
  animation-duration: 10s; animation-delay: -1s;
}
.particle--5 {
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(255,152,0,0.10) 0%, transparent 70%);
  top: 60%; right: 20%;
  animation-duration: 11s; animation-delay: -3s;
}
@keyframes float-particle {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-20px) scale(1.05); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow { margin-bottom: 20px; }
.hero__h1 { color: var(--white); margin-bottom: 24px; }
.hero__sub {
  font-size: 18px;
  color: var(--on-dark-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero__trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.hero__trust span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--on-dark-2);
  font-weight: 600;
}
.hero__trust .material-icons-round { font-size: 16px; color: var(--mint); }

/* ── Hero Visual ──────────────────────────────────────────────────────── */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}

/* Buddy 3D — central mascot using SVG */
.buddy-3d {
  position: relative;
  z-index: 2;
  width: 320px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.buddy-3d__glow {
  position: absolute;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,152,0,0.45), rgba(79,70,229,0.18) 55%, transparent 75%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-glow 3.4s ease-in-out infinite;
  filter: blur(8px);
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.65; transform: translate(-50%,-50%) scale(1); }
  50%       { opacity: 1;    transform: translate(-50%,-50%) scale(1.08); }
}
.buddy-3d__img {
  position: relative;
  width: 300px;
  height: 380px;
  object-fit: contain;
  filter: drop-shadow(0 22px 36px rgba(0,0,0,0.4));
  animation: buddy-float 4.5s ease-in-out infinite;
}
@keyframes buddy-float {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50%       { transform: translateY(-14px) rotate(1.5deg); }
}

/* Floating nugget chips */
.nugget-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  animation: chip-float 5s ease-in-out infinite;
}
.nugget-chip .material-icons-round { font-size: 14px; }
.nugget-chip--ai    { background: rgba(79,70,229,0.55); top: 20px;    left: -30px;  animation-delay: 0s; }
.nugget-chip--code  { background: rgba(16,185,129,0.55); top: 110px;   right: -40px; animation-delay: -1.5s; }
.nugget-chip--sales { background: rgba(168,85,247,0.55); bottom: 30px; left: -20px;  animation-delay: -3s; }
@keyframes chip-float {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50%       { transform: translateY(-8px) rotate(2deg); }
}

/* Extension mockup */
.extension-mockup {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  width: 260px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.05);
  margin-left: 24px;
}
.ext-header {
  background: var(--indigo);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ext-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6C63FF, var(--indigo-d));
  border: 2px solid rgba(255,255,255,0.25);
  position: relative;
  flex-shrink: 0;
}
.ext-avatar__eye {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 4px var(--orange);
  top: 9px;
}
.ext-avatar__eye--l { left: 5px; }
.ext-avatar__eye--r { right: 5px; }
.ext-name  { font-size: 13px; font-weight: 800; color: #fff; }
.ext-status { font-size: 10px; color: rgba(255,255,255,0.55); }
.ext-streak { margin-left: auto; font-size: 13px; font-weight: 800; color: #fff; background: rgba(255,255,255,0.15); padding: 3px 10px; border-radius: 99px; }

.ext-body { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ext-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 16px;
  font-size: 12px;
}
.ext-card .material-icons-round { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.ext-card--explain { background: rgba(168,85,247,0.12); }
.ext-card--explain .material-icons-round { color: var(--lavender); }
.ext-card--nugget  { background: rgba(16,185,129,0.12); }
.ext-card--nugget .material-icons-round  { color: var(--mint); }
.ext-card-label { font-weight: 700; color: var(--on-dark); font-size: 11px; margin-bottom: 3px; }
.ext-card-text  { color: var(--on-dark-2); line-height: 1.4; }
.ext-xp { padding: 4px 0 2px; }
.ext-xp-bar { height: 6px; background: rgba(255,255,255,0.1); border-radius: 99px; overflow: hidden; margin-bottom: 4px; }
.ext-xp-fill { height: 100%; background: linear-gradient(90deg, var(--orange), #FFB74D); border-radius: 99px; }
.ext-xp-label { font-size: 10px; color: var(--on-dark-2); text-align: center; }

/* ═══════════════════════════════════════════════════════════════════════
   SOCIAL PROOF BAR
   ═══════════════════════════════════════════════════════════════════════ */
.proof-bar {
  background: var(--indigo-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
}
.proof-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.proof-item {
  font-size: 13px;
  color: var(--on-dark-2);
  font-weight: 500;
}
.proof-item strong { color: var(--on-dark); }
.proof-item span { color: var(--on-dark); }
.proof-divider {
  width: 1px; height: 20px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   PROBLEM
   ═══════════════════════════════════════════════════════════════════════ */
.problem__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.problem__text h2 { margin-bottom: 16px; }
.problem__text .section-sub { margin-bottom: 28px; }
.pain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.pain-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
}
.pain-list .material-icons-round { color: var(--orange); font-size: 20px; flex-shrink: 0; }
.problem__bridge { font-size: 17px; font-weight: 700; color: var(--indigo); }

/* Chaos tabs visual */
.chaos-tabs { position: relative; height: 180px; margin-bottom: 24px; }
.chaos-tab {
  position: absolute;
  top: var(--top);
  left: var(--left);
  transform: rotate(var(--rot));
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.chaos-vs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 12px;
}
.chaos-vs .material-icons-round { color: var(--orange); }
.chaos-solution {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--indigo-l);
  border: 1.5px solid var(--indigo-l);
  border-radius: var(--r-full);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--indigo-d);
}

/* ═══════════════════════════════════════════════════════════════════════
   HOW IT WORKS
   ═══════════════════════════════════════════════════════════════════════ */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
  position: relative;
}
.step__num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-orange);
}
.step__icon {
  width: 64px; height: 64px;
  border-radius: var(--r-lg);
  background: var(--indigo-l);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step__icon .material-icons-round { font-size: 28px; color: var(--indigo); }
.step h3 { margin-bottom: 10px; }
.step p { font-size: 15px; color: var(--text-2); }
.step__badge { display: inline-block; margin-top: 16px; }
.step__connector {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--indigo));
  margin-top: 66px;
  flex-shrink: 0;
  opacity: 0.3;
}

/* ═══════════════════════════════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════════════════════════════ */
.features-grid { display: flex; flex-direction: column; gap: 80px; margin-top: 64px; }

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-row--reverse { direction: rtl; }
.feature-row--reverse > * { direction: ltr; }

.feature-row__text { }
.feat-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feat-icon .material-icons-round { font-size: 24px; color: var(--white); }
.feat-icon--orange  { background: var(--orange);   box-shadow: var(--shadow-orange); }
.feat-icon--mint    { background: var(--mint);     box-shadow: 0 4px 16px rgba(16,185,129,.4); }
.feat-icon--indigo  { background: var(--indigo);   box-shadow: var(--shadow-indigo); }
.feat-icon--lavender{ background: var(--lavender); box-shadow: 0 4px 16px rgba(168,85,247,.4); }

.feature-row__text h3 { margin-bottom: 12px; }
.feature-row__text p  { font-size: 16px; color: var(--text-2); line-height: 1.7; }

/* Feature mockups */
.feat-mockup {
  background: var(--white);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-dark);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Explain mockup */
.feat-mockup--explain { flex-direction: column; align-items: flex-start; gap: 16px; }
.feat-selected-text { font-size: 14px; line-height: 1.7; color: var(--text-2); }
.feat-selected-text mark {
  background: rgba(255,152,0,0.2);
  color: var(--text);
  border-radius: 4px;
  padding: 1px 3px;
}
.feat-tooltip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(28,25,23,0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 6px 10px;
  box-shadow: var(--shadow-md);
}
.feat-tooltip__avatar { font-size: 18px; }
.feat-tooltip__btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  color: #e7e5e4;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.feat-tooltip__btn--primary {
  background: var(--orange);
  border-color: var(--orange-d);
  color: #fff;
  box-shadow: 0 2px 0 var(--orange-d);
}

/* Nugget card mockup */
.feat-mockup--nugget { }
.nugget-card {
  background: linear-gradient(135deg, #f8f5ff, #fff);
  border: 1px solid rgba(168,85,247,0.2);
  border-radius: 20px;
  padding: 20px;
  width: 100%;
  box-shadow: 0 4px 16px rgba(168,85,247,0.12);
}
.nugget-card__chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 12px;
}
.nugget-card__chip--ai { background: var(--lavender-l); color: var(--lavender-d); }
.nugget-card__chip .material-icons-round { font-size: 12px; }
.nugget-card__q { font-size: 14px; font-weight: 700; margin-bottom: 10px; }
.nugget-card__a { font-size: 13px; color: var(--text-2); line-height: 1.5; margin-bottom: 12px; }
.nugget-card__footer { font-size: 11px; color: var(--text-3); font-weight: 600; }

/* Journey mockup */
.feat-mockup--journey { }
.journey-mini { width: 100%; }
.journey-mini__header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 10px;
}
.journey-mini__header .material-icons-round { font-size: 16px; color: var(--indigo); }
.journey-mini__title { font-size: 16px; font-weight: 800; margin-bottom: 12px; }
.journey-mini__progress { margin-bottom: 14px; }
.journey-mini__bar {
  height: 8px;
  background: var(--border-dark);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 6px;
}
.journey-mini__bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--indigo), #818CF8);
  border-radius: 99px;
}
.journey-mini__progress span { font-size: 12px; color: var(--text-3); font-weight: 600; }
.journey-mini__match {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--orange-l);
  border: 1px solid rgba(255,152,0,0.3);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-d);
}
.journey-mini__match .material-icons-round { font-size: 16px; color: var(--orange); }

/* Prompt eval mockup */
.feat-mockup--prompt { }
.prompt-eval { width: 100%; display: flex; flex-direction: column; gap: 12px; }
.prompt-eval__input {
  background: var(--bg);
  border: 1.5px solid var(--border-dark);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  font-style: italic;
}
.prompt-eval__score {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255,152,0,0.06);
  border: 1px solid rgba(255,152,0,0.2);
  border-radius: 14px;
  padding: 12px;
}
.prompt-eval__score-circle {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-orange);
}
.prompt-eval__score-circle span { font-size: 12px; opacity: 0.8; }
.prompt-eval__label { font-size: 12px; font-weight: 700; color: var(--orange-d); }
.prompt-eval__tip   { font-size: 12px; color: var(--text-2); margin-top: 2px; }
.prompt-eval__rewrite {
  display: flex;
  gap: 8px;
  background: var(--mint-l);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 12px;
  padding: 12px;
  font-size: 12px;
  color: var(--mint-d);
  font-weight: 600;
  line-height: 1.5;
}
.prompt-eval__rewrite .material-icons-round { font-size: 16px; color: var(--mint); flex-shrink: 0; }

/* Mini features grid */
.features-mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 0;
}
.mini-feat {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.mini-feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.mini-feat .feat-icon { margin-bottom: 16px; }
.mini-feat h3 { font-size: 16px; margin-bottom: 8px; }
.mini-feat p  { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════════════
   AI CAMPUS
   ═══════════════════════════════════════════════════════════════════════ */
.campus-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,70,229,0.25), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.campus-header { text-align: center; margin-bottom: 56px; }
.campus-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--r-full);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--on-dark);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.campus-header .section-sub { margin: 0 auto; max-width: 580px; }
.campus-header strong { color: var(--on-dark); }

.lernwelt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.lernwelt-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  text-decoration: none;
  transition: background var(--t), transform var(--t), border-color var(--t);
  backdrop-filter: blur(8px);
}
.lernwelt-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}
.lernwelt-card--ai:hover      { border-color: rgba(79,70,229,0.6); }
.lernwelt-card--org:hover     { border-color: rgba(16,185,129,0.6); }
.lernwelt-card--roi:hover     { border-color: rgba(168,85,247,0.6); }
.lernwelt-card--agentic:hover { border-color: rgba(255,152,0,0.6); }
.lernwelt-card__icon { font-size: 36px; line-height: 1; flex-shrink: 0; }
.lernwelt-card__body { flex: 1; }
.lernwelt-card__title { font-size: 17px; font-weight: 800; color: var(--on-dark); margin-bottom: 4px; }
.lernwelt-card__desc  { font-size: 13px; color: var(--on-dark-2); line-height: 1.5; }
.lernwelt-card__arrow { color: var(--on-dark-2); transition: transform var(--t); }
.lernwelt-card:hover .lernwelt-card__arrow { transform: translateX(4px); color: var(--on-dark); }

.campus-link-row { text-align: center; margin-bottom: 28px; }
.campus-link-row .btn { font-size: 15px; padding: 14px 28px; }
.campus-trust { text-align: center; font-size: 13px; color: var(--on-dark-2); }

/* ═══════════════════════════════════════════════════════════════════════
   LEARNING JOURNEYS
   ═══════════════════════════════════════════════════════════════════════ */
.journey-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  margin-bottom: 32px;
}
.journey-card {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--t), box-shadow var(--t);
}
.journey-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.journey-card--featured {
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange), var(--shadow-md);
}
.journey-card__badge {
  position: absolute;
  top: -12px; right: 24px;
  background: var(--orange);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--r-full);
  box-shadow: var(--shadow-orange);
}
.journey-card__provider {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-3);
  margin-bottom: 12px;
}
.journey-card__title { font-size: 17px; margin-bottom: 10px; }
.journey-card__desc  { font-size: 14px; color: var(--text-2); line-height: 1.6; margin-bottom: 16px; }
.journey-card__meta  {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.journey-card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-3);
}
.journey-card__meta .material-icons-round { font-size: 14px; }
.journey-card__id {
  font-size: 10px !important;
  font-family: monospace;
  background: var(--bg);
  padding: 2px 8px !important;
  border-radius: 6px;
  color: var(--text-3) !important;
}

.journey-request-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--indigo-l);
  border: 1px solid rgba(79,70,229,0.2);
  border-radius: var(--r-lg);
  padding: 18px 24px;
  font-size: 15px;
  color: var(--indigo-d);
}
.journey-request-hint .material-icons-round { color: var(--indigo); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════════════
   PRICING
   ═══════════════════════════════════════════════════════════════════════ */
.pricing-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 56px;
}
.pricing-card {
  background: var(--white);
  border: 2px solid var(--orange);
  border-radius: 32px;
  padding: 48px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 0 0 6px rgba(255,152,0,0.08), var(--shadow-lg);
  text-align: center;
}
.pricing-card__name {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 20px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.pricing-card__currency { font-size: 28px; font-weight: 800; color: var(--text); }
.pricing-card__amount   { font-size: 72px; font-weight: 800; line-height: 1; color: var(--text); letter-spacing: -0.04em; }
.pricing-card__period   { font-size: 18px; color: var(--text-2); font-weight: 600; }
.pricing-card__annual   { font-size: 14px; color: var(--mint-d); font-weight: 600; margin-bottom: 32px; }
.pricing-card__features {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}
.pricing-card__features .material-icons-round { color: var(--mint); font-size: 20px; flex-shrink: 0; }
.pricing-card__note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════════════════ */
.faq-container { max-width: 720px; }
.faq-list { margin-top: 48px; display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-bottom: 1px solid var(--border-dark);
}
.faq-item:first-child { border-top: 1px solid var(--border-dark); }
.faq-item summary {
  padding: 20px 0;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--t);
}
.faq-item summary:hover { color: var(--indigo); }
.faq-item summary::after {
  content: 'expand_more';
  font-family: 'Material Icons Round';
  font-size: 20px;
  color: var(--text-3);
  transition: transform var(--t);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); color: var(--indigo); }
.faq-item[open] summary { color: var(--indigo); }
.faq-item p {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════════════════════════════════ */
.section--cta {
  background: var(--bg-dark);
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
  position: relative;
}
.cta-glow {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,152,0,0.2), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.cta-sub {
  margin-top: 20px;
  font-size: 14px;
  color: var(--on-dark-2);
}
.cta-sub a { color: var(--on-dark); text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--indigo-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 0;
  color: var(--on-dark-2);
  font-size: 14px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer__brand .nav__logo { margin-bottom: 16px; }
.footer__brand p { margin-bottom: 16px; font-size: 14px; }
.footer__powered {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}
.footer__powered a { color: var(--on-dark-2); text-decoration: underline; }
.footer__powered a:hover { color: var(--on-dark); }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-dark);
  margin-bottom: 4px;
}
.footer__col a { color: var(--on-dark-2); transition: color var(--t); }
.footer__col a:hover { color: var(--on-dark); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .features-mini-grid  { grid-template-columns: repeat(2,1fr); }
  .footer__inner       { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }

  .nav__links { display: none; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .hero__h1 { font-size: 40px; }

  .problem__inner { grid-template-columns: 1fr; }
  .problem__visual { display: none; }

  .steps { flex-direction: column; align-items: center; }
  .step__connector { width: 2px; height: 40px; margin: 0; }

  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row--reverse { direction: ltr; }
  .feature-row__mockup { order: -1; }

  .features-mini-grid { grid-template-columns: 1fr 1fr; }

  .lernwelt-grid { grid-template-columns: 1fr; }
  .journey-cards { grid-template-columns: 1fr; }
  .pricing-card  { padding: 32px 24px; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { justify-content: center; }
  .features-mini-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .proof-bar__inner { gap: 16px; }
  .proof-divider { display: none; }
}