/* =====================================================================
   Mavenow — Premium SaaS Landing
   style.css
   Palette · Typography · Layout · Components · Animations · Responsive
   ===================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --primary: #0097A7;
  --primary-dark: #007C8A;
  --secondary: #00BCD4;
  --bg: #FFFFFF;
  --bg-light: #F7FAFC;
  --text: #222222;
  --text-soft: #566573;
  --text-mute: #8A97A5;
  --border: #E7EDF3;
  --card: #FFFFFF;

  --grad: linear-gradient(135deg, #0097A7 0%, #00BCD4 100%);
  --grad-soft: linear-gradient(135deg, #E0F7FA 0%, #F1FBFC 100%);

  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 12px;

  --shadow-sm: 0 4px 14px rgba(16, 42, 67, 0.06);
  --shadow: 0 12px 34px rgba(16, 42, 67, 0.09);
  --shadow-lg: 0 26px 60px rgba(16, 42, 67, 0.14);
  --shadow-primary: 0 14px 30px rgba(0, 151, 167, 0.30);

  --container: 1200px;
  --header-h: 74px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-weight: 400;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--primary); color: #fff; padding: 10px 18px; border-radius: 0 0 12px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 600; font-size: 15px; padding: 12px 22px; border-radius: 999px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease), color .2s;
  white-space: nowrap; cursor: pointer;
}
.btn-lg { padding: 15px 30px; font-size: 16px; }

.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0, 151, 167, 0.38); }

.btn-outline { background: #fff; color: var(--primary); border: 1.6px solid rgba(0, 151, 167, 0.35); }
.btn-outline:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow); }

.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { color: var(--primary); }

.btn-soft { background: var(--grad-soft); color: var(--primary-dark); font-size: 14px; padding: 10px 20px; align-self: flex-start; }
.btn-soft:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100;
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--border); background: rgba(255, 255, 255, 0.86); }

.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand img { height: 38px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--text-soft);
  padding: 8px 14px; border-radius: 10px; transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--primary); background: rgba(0, 151, 167, 0.07); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + 70px) 0 90px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 55% at 82% 12%, rgba(0, 188, 212, 0.16), transparent 60%),
    radial-gradient(50% 50% at 8% 20%, rgba(0, 151, 167, 0.10), transparent 60%),
    linear-gradient(180deg, #F4FCFD 0%, #FFFFFF 62%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  color: var(--primary-dark); font-size: 13.5px; font-weight: 600;
  padding: 7px 15px; border-radius: 999px; margin-bottom: 22px;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--secondary); box-shadow: 0 0 0 4px rgba(0,188,212,0.18); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(0,188,212,0.05); } }

.hero-title { font-size: clamp(2.3rem, 5vw, 3.65rem); font-weight: 800; margin-bottom: 20px; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero-sub { font-size: clamp(1rem, 1.4vw, 1.16rem); color: var(--text-soft); max-width: 540px; margin-bottom: 32px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }

.hero-stats { display: flex; gap: 38px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat .counter { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 800; color: var(--primary); line-height: 1.1; }
.stat small { font-size: 13px; color: var(--text-mute); font-weight: 500; }

/* Hero visual (framed device screenshots) */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 560px; }
.device { position: absolute; width: auto; filter: drop-shadow(0 34px 60px rgba(16, 42, 67, 0.28)); }
.device-front { height: 560px; z-index: 3; transform: translateX(-8%); }
.device-back { height: 500px; z-index: 2; transform: translateX(34%) translateY(6%) rotate(6deg); opacity: 0.96; }

.glass-badge {
  position: absolute; z-index: 4; display: flex; align-items: center; gap: 12px;
  background: rgba(255, 255, 255, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.7); box-shadow: var(--shadow);
  padding: 12px 16px; border-radius: 16px;
}
.glass-badge strong { display: block; font-size: 14px; }
.glass-badge small { display: block; font-size: 11.5px; color: var(--text-mute); }
.badge-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--grad-soft); font-size: 19px; }
.badge-1 { top: 12%; left: -2%; }
.badge-2 { bottom: 12%; right: -2%; }

/* Floating animations */
.floating { animation: float 6s ease-in-out infinite; }
.floating-slow { animation: float 8s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.device-front.floating { animation: floatFront 6.5s ease-in-out infinite; }
@keyframes floatFront { 0%,100% { transform: translateX(-8%) translateY(0); } 50% { transform: translateX(-8%) translateY(-16px); } }
.device-back.floating-slow { animation: floatBack 8s ease-in-out infinite; }
@keyframes floatBack { 0%,100% { transform: translateX(34%) translateY(6%) rotate(6deg); } 50% { transform: translateX(34%) translateY(-4%) rotate(6deg); } }

/* ---------- Trusted By ---------- */
.trusted { padding: 26px 0 40px; }
.trusted-label { text-align: center; color: var(--text-mute); font-size: 14px; font-weight: 500; margin-bottom: 22px; }
.logo-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.logo-card {
  display: grid; place-items: center; min-width: 150px; height: 66px; padding: 0 26px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); font-weight: 700; font-size: 20px; letter-spacing: 0.5px;
  color: #7c8a99; transition: transform .3s var(--ease), color .3s, box-shadow .3s;
}
.logo-card:hover { transform: translateY(-4px); color: var(--primary); box-shadow: var(--shadow); }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-light); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--primary); background: rgba(0, 151, 167, 0.08); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); margin-bottom: 14px; }
.section-lead { color: var(--text-soft); font-size: clamp(1rem, 1.3vw, 1.1rem); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.about-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 38px 34px; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.about-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.about-icon { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; color: #fff; margin-bottom: 22px; }
.learner-bg { background: var(--grad); }
.maven-bg { background: linear-gradient(135deg, #00838F 0%, #26C6DA 100%); }
.about-card h3 { font-size: 1.4rem; margin-bottom: 8px; }
.about-card > p { color: var(--text-soft); margin-bottom: 20px; }

.tick-list li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--text-soft); font-size: 15.5px; }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 6px;
  background: var(--grad-soft);
}
.tick-list li::after {
  content: ""; position: absolute; left: 6px; top: 8px; width: 6px; height: 10px;
  border: solid var(--primary); border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ---------- Features ---------- */
.feature-group-title { font-size: 1.35rem; margin: 8px 0 24px; display: flex; align-items: center; gap: 12px; }
.feature-group-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 48px; }
.feature-grid:last-child { margin-bottom: 0; }
.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.f-icon { width: 50px; height: 50px; border-radius: 14px; background: var(--grad-soft); display: grid; place-items: center; font-size: 24px; margin-bottom: 16px; }
.feature-card h4 { font-size: 1.06rem; margin-bottom: 6px; }
.feature-card p { font-size: 14px; color: var(--text-soft); }

/* ---------- How It Works (timelines) ---------- */
.timelines { display: grid; grid-template-columns: repeat(2, 1fr); gap: 42px; }
.timeline-head {
  display: inline-flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 700;
  padding: 10px 20px; border-radius: 999px; margin-bottom: 28px; color: #fff;
}
.learner-head { background: var(--grad); }
.maven-head { background: linear-gradient(135deg, #00838F 0%, #26C6DA 100%); }
.th-icon { font-size: 1.2rem; }

.timeline { position: relative; padding-left: 8px; }
.timeline::before { content: ""; position: absolute; left: 19px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--secondary), rgba(0,188,212,0.15)); }
.timeline li { position: relative; display: flex; gap: 18px; padding-bottom: 22px; }
.timeline li:last-child { padding-bottom: 0; }
.tl-num {
  flex: 0 0 40px; width: 40px; height: 40px; border-radius: 12px; z-index: 1;
  background: var(--grad); color: #fff; font-weight: 700; display: grid; place-items: center;
  box-shadow: 0 8px 18px rgba(0, 151, 167, 0.28);
}
.maven-num { background: linear-gradient(135deg, #00838F 0%, #26C6DA 100%); box-shadow: 0 8px 18px rgba(0, 131, 143, 0.28); }
.timeline li h4 { font-size: 1.02rem; margin-bottom: 2px; }
.timeline li p { font-size: 14px; color: var(--text-soft); }

/* ---------- Screenshot Gallery ---------- */
.gallery-groups { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.chip {
  font-size: 14px; font-weight: 500; color: var(--text-soft); padding: 8px 18px; border-radius: 999px;
  background: #fff; border: 1px solid var(--border); cursor: pointer; transition: all .25s var(--ease);
}
.chip:hover { color: var(--primary); border-color: rgba(0,151,167,0.4); }
.chip.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: var(--shadow-primary); }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px 28px; align-items: end; }
.shot {
  position: relative; cursor: pointer; text-align: center;
  transition: transform .4s var(--ease), opacity .35s;
}
.shot img {
  width: 82%; margin: 0 auto;
  filter: drop-shadow(0 16px 30px rgba(16, 42, 67, 0.14));
  transition: transform .45s var(--ease), filter .35s;
}
.shot figcaption {
  margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--text-soft);
  opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s;
}
.shot:hover { transform: translateY(-10px); }
.shot:hover img { transform: scale(1.02); filter: drop-shadow(0 28px 44px rgba(16, 42, 67, 0.22)); }
.shot:hover figcaption { opacity: 1; transform: translateY(0); color: var(--primary); }
.shot.hide { display: none; }

/* ---------- Why Choose ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.why-icon { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 18px; background: var(--grad-soft); display: grid; place-items: center; font-size: 28px; }
.why-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.why-card p { font-size: 14px; color: var(--text-soft); }

/* ---------- Free Courses ---------- */
.course-list { display: grid; gap: 24px; }
.course-card {
  display: grid; grid-template-columns: 340px 1fr; gap: 0; overflow: hidden;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.course-thumb { overflow: hidden; }
.course-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.course-card:hover .course-thumb img { transform: scale(1.06); }
.course-body { padding: 28px 32px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.tag { font-size: 12px; font-weight: 600; color: var(--primary); background: rgba(0,151,167,0.09); padding: 4px 12px; border-radius: 999px; }
.course-body h4 { font-size: 1.3rem; }
.course-body p { color: var(--text-soft); font-size: 15px; }
.course-meta { display: flex; gap: 18px; align-items: center; font-size: 13.5px; color: var(--text-mute); margin: 4px 0; }
.free-tag { color: #159c6b; font-weight: 700; background: #e7f9f0; padding: 3px 10px; border-radius: 999px; }

/* ---------- Expert Talks ---------- */
.talk-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.talk-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.talk-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.talk-thumb { position: relative; overflow: hidden; }
.talk-thumb img { width: 100%; transition: transform .5s var(--ease); }
.talk-card:hover .talk-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 64px; border-radius: 50%;
  background: rgba(255,255,255,0.94); box-shadow: 0 10px 26px rgba(0,0,0,0.28);
  transition: transform .3s var(--ease), background .3s;
}
.play-btn::before { content: ""; position: absolute; inset: 0; margin: auto; width: 0; height: 0; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent var(--primary); transform: translateX(2px); }
.talk-card:hover .play-btn { transform: scale(1.12); background: #fff; }
.talk-body { padding: 20px 22px; }
.talk-body h4 { font-size: 1.08rem; margin-bottom: 6px; }
.talk-meta { font-size: 13px; color: var(--text-mute); }

/* ---------- Compare (Learner vs Maven) ---------- */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; }
.compare-col {
  background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 40px 34px;
}
.learner-col { border-radius: var(--radius-lg) 0 0 var(--radius-lg); border-right: none; }
.maven-col { border-radius: 0 var(--radius-lg) var(--radius-lg) 0; border-left: none; }
.compare-head { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.compare-head span { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 24px; }
.learner-col .compare-head span { background: var(--grad); }
.maven-col .compare-head span { background: linear-gradient(135deg, #00838F, #26C6DA); }
.compare-head h3 { font-size: 1.4rem; }
.compare-list li { position: relative; padding: 12px 0 12px 32px; border-bottom: 1px dashed var(--border); color: var(--text-soft); font-size: 15.5px; }
.compare-list li:last-child { border-bottom: none; }
.compare-list li::before { content: "✓"; position: absolute; left: 0; top: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--grad-soft); color: var(--primary); font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.compare-vs { display: grid; place-items: center; z-index: 2; }
.compare-vs span {
  width: 58px; height: 58px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 800; font-size: 15px;
  display: grid; place-items: center; box-shadow: var(--shadow-primary); border: 4px solid #fff;
}

/* ---------- Workflow (SVG flow) ---------- */
.flow { display: flex; justify-content: center; }
.flow-svg { max-width: 100%; height: auto; }
.flow-node { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.flow-line { stroke-dashoffset: 40; opacity: 0; transition: opacity .4s; }
.flow.in-view .flow-node { opacity: 1; transform: translateY(0); }
.flow.in-view .flow-line { opacity: 1; animation: dash 1s linear forwards; }
@keyframes dash { to { stroke-dashoffset: 0; } }
/* stagger nodes */
.flow.in-view .flow-node:nth-of-type(1) { transition-delay: .04s; }
.flow.in-view .flow-node:nth-of-type(2) { transition-delay: .14s; }
.flow.in-view .flow-node:nth-of-type(3) { transition-delay: .24s; }
.flow.in-view .flow-node:nth-of-type(4) { transition-delay: .34s; }
.flow.in-view .flow-node:nth-of-type(5) { transition-delay: .44s; }
.flow.in-view .flow-node:nth-of-type(6) { transition-delay: .54s; }
.flow.in-view .flow-node:nth-of-type(7) { transition-delay: .64s; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow .3s, border-color .3s;
}
.faq-item[open] { box-shadow: var(--shadow); border-color: rgba(0,151,167,0.25); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 600; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-ico { position: relative; flex: 0 0 22px; width: 22px; height: 22px; }
.faq-ico::before, .faq-ico::after { content: ""; position: absolute; background: var(--primary); border-radius: 2px; transition: transform .3s var(--ease); }
.faq-ico::before { top: 10px; left: 3px; width: 16px; height: 2px; }
.faq-ico::after { top: 3px; left: 10px; width: 2px; height: 16px; }
.faq-item[open] .faq-ico::after { transform: rotate(90deg); opacity: 0; }
.faq-body { padding: 0 24px 22px; color: var(--text-soft); font-size: 15.5px; }

/* ---------- Download CTA ---------- */
.download-cta { padding: 40px 0 90px; }
.download-inner {
  position: relative; overflow: hidden; text-align: center; color: #fff;
  background: var(--grad); border-radius: var(--radius-lg); padding: 60px 30px;
  box-shadow: var(--shadow-lg);
}
.download-inner::before, .download-inner::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,0.10); }
.download-inner::before { width: 260px; height: 260px; top: -90px; right: -60px; }
.download-inner::after { width: 200px; height: 200px; bottom: -80px; left: -40px; }
.download-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); position: relative; }
.download-inner p { color: rgba(255,255,255,0.9); margin: 12px 0 28px; position: relative; }
.store-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.store-btn {
  display: inline-flex; align-items: center; gap: 12px; background: #10222f; color: #fff;
  padding: 12px 22px; border-radius: 14px; transition: transform .3s var(--ease), box-shadow .3s;
}
.store-btn:hover { transform: translateY(-3px); box-shadow: 0 16px 30px rgba(0,0,0,0.25); }
.store-btn span { display: flex; flex-direction: column; line-height: 1.15; font-weight: 600; font-size: 16px; text-align: left; }
.store-btn small { font-size: 10.5px; font-weight: 400; opacity: 0.8; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 34px; align-items: start; }
.info-block { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.info-block h4 { font-size: 1.25rem; margin-bottom: 16px; }
.info-line { display: flex; gap: 12px; color: var(--text-soft); font-size: 15px; margin-bottom: 14px; }
.info-line:last-child { margin-bottom: 0; }
.info-line a:hover { color: var(--primary); }
.info-ico { flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px; background: var(--grad-soft); display: grid; place-items: center; }

.map-placeholder {
  position: relative; height: 220px; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  background: linear-gradient(135deg, #E8F6F8, #F1FBFC); display: grid; place-items: center;
}
.map-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,151,167,0.09) 1px, transparent 1px), linear-gradient(90deg, rgba(0,151,167,0.09) 1px, transparent 1px); background-size: 34px 34px; }
.map-pin { position: relative; font-size: 40px; filter: drop-shadow(0 6px 10px rgba(0,0,0,0.2)); animation: float 3s ease-in-out infinite; }
.map-label { position: absolute; bottom: 44px; background: #fff; padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--text-soft); box-shadow: var(--shadow-sm); }
.map-link { position: absolute; bottom: 12px; font-size: 13px; font-weight: 600; color: var(--primary); }

.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--text-soft); }
.field input, .field textarea {
  font-family: inherit; font-size: 15px; color: var(--text); padding: 12px 16px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: #fbfdfe;
  transition: border-color .25s, box-shadow .25s, background .25s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(0,151,167,0.12); }
.field input.invalid, .field textarea.invalid { border-color: #e05252; box-shadow: 0 0 0 4px rgba(224,82,82,0.1); }
.form-note { margin-top: 14px; font-size: 14px; font-weight: 500; min-height: 20px; }
.form-note.success { color: #159c6b; }
.form-note.error { color: #e05252; }

/* ---------- Footer ---------- */
.site-footer { background: #0d2430; color: #c6d2dc; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand img { height: 40px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 14.5px; max-width: 320px; color: #9fb0bd; margin-bottom: 20px; }
.socials { display: flex; gap: 12px; }
.social { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.08); display: grid; place-items: center; color: #c6d2dc; transition: background .3s, color .3s, transform .3s; }
.social:hover { background: var(--grad); color: #fff; transform: translateY(-3px); }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: 0.02em; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col a, .footer-col li { font-size: 14.5px; color: #9fb0bd; transition: color .25s; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-bottom p { font-size: 13.5px; color: #8598a6; }
.footer-links a:hover { color: var(--secondary); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px; border-radius: 14px; z-index: 90;
  background: var(--grad); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-primary);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .3s, transform .3s, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 22, 30, 0.86); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; padding: 30px;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lb-figure { display: flex; flex-direction: column; align-items: center; gap: 14px; max-height: 90vh; }
.lb-figure img { max-height: 82vh; width: auto; border-radius: 18px; filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5)); animation: lbIn .35s var(--ease); }
@keyframes lbIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.lb-figure figcaption { color: #fff; font-weight: 600; font-size: 15px; }
.lb-close { position: absolute; top: 22px; right: 26px; color: #fff; font-size: 40px; line-height: 1; width: 48px; height: 48px; border-radius: 12px; transition: background .25s; }
.lb-close:hover { background: rgba(255,255,255,0.12); }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 44px; width: 58px; height: 58px; border-radius: 50%; background: rgba(255,255,255,0.10); transition: background .25s; }
.lb-nav:hover { background: rgba(255,255,255,0.22); }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }

/* ---------- AOS-style scroll animations ---------- */
[data-aos] { opacity: 0; transition: opacity .7s var(--ease), transform .7s var(--ease); will-change: opacity, transform; }
[data-aos="fade-up"] { transform: translateY(40px); }
[data-aos="fade-left"] { transform: translateX(50px); }
[data-aos="fade-right"] { transform: translateX(-50px); }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos].aos-animate { opacity: 1; transform: none; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; padding: 16px 20px 24px; box-shadow: var(--shadow); border-bottom: 1px solid var(--border);
    transform: translateY(-14px); opacity: 0; pointer-events: none; transition: transform .3s var(--ease), opacity .3s;
  }
  .nav-links.open { display: flex; transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 14px; font-size: 16px; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { min-height: 500px; margin-top: 10px; }

  .about-grid { grid-template-columns: 1fr; }
  .timelines { grid-template-columns: 1fr; gap: 48px; }
  .talk-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }

  .compare { grid-template-columns: 1fr; }
  .learner-col { border-radius: var(--radius-lg) var(--radius-lg) 0 0; border-right: 1px solid var(--border); border-bottom: none; }
  .maven-col { border-radius: 0 0 var(--radius-lg) var(--radius-lg); border-left: 1px solid var(--border); border-top: none; }
  .compare-vs { padding: 6px 0; }

  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .container { padding: 0 18px; }
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .feature-card { padding: 20px 16px; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 16px; }
  .talk-grid { grid-template-columns: 1fr; }
  .course-card { grid-template-columns: 1fr; }
  .course-thumb { height: 180px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .hero-stats { gap: 24px; }
  .stat { flex: 1 1 40%; }
  .badge-1 { left: -4px; top: 6%; }
  .badge-2 { right: -4px; bottom: 6%; }
  .glass-badge { padding: 9px 12px; }
  .device-front { height: 460px; }
  .device-back { height: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .lb-nav { width: 46px; height: 46px; font-size: 34px; }
  .lb-prev { left: 8px; } .lb-next { right: 8px; }
}

@media (max-width: 400px) {
  .feature-grid, .why-grid { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  [data-aos] { opacity: 1 !important; transform: none !important; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .to-top, .nav-toggle, .lightbox { display: none !important; }
  body { color: #000; }
}