/* ══════════════════════════════════════════════
   #2 LANDING — DARK PREMIUM DESIGN
   Deep navy, violet accents, glassmorphism
   Fonts: Space Grotesk + Instrument Serif
   ══════════════════════════════════════════════ */

/* ── variables ── */
:root{
  --bg:#0b0e17;
  --surface:#131725;
  --glass:rgba(19,23,37,.65);
  --glass-border:rgba(255,255,255,.06);
  --ink:#ffffff;
  --body:rgba(255,255,255,.65);
  --muted:rgba(255,255,255,.35);
  --violet:#8b5cf6;
  --violet-soft:rgba(139,92,246,.12);
  --violet-glow:rgba(139,92,246,.25);
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.1);
  --gradient:linear-gradient(135deg,#8b5cf6,#22d3ee);
  --gradient-text:linear-gradient(135deg,#a78bfa,#67e8f9);
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Syne',system-ui,-apple-system,sans-serif;
  --r:14px;
  --r-lg:20px;
  --r-pill:100px;
  --t:.22s ease;
  --shadow:0 4px 32px rgba(0,0,0,.35);
}

/* ── reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
  font-family:var(--sans);
  font-size:15px;
  line-height:1.7;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.15;color:var(--ink)}
h4,h5,h6{font-family:var(--sans);font-weight:600;line-height:1.25;color:var(--ink)}
[hidden]{display:none!important}
.drawer[hidden]{display:none!important}
.drawer-backdrop[hidden]{display:none!important}

/* ── container ── */
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}

/* ── section helpers ── */
.text-center{text-align:center}
.section-tag{
  display:inline-block;
  font-family:var(--sans);font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.14em;
  padding:6px 16px;
  background:var(--violet-soft);color:var(--violet);
  border-radius:var(--r-pill);border:1px solid rgba(139,92,246,.15);
  margin-bottom:16px;
}
.section-title{font-size:28px;margin-bottom:14px}
.section-subtitle{font-family:var(--sans);font-size:15px;color:var(--body);max-width:520px;margin:0 auto;line-height:1.7}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:14px;font-weight:600;
  padding:14px 28px;border-radius:var(--r-pill);border:none;
  cursor:pointer;transition:all var(--t);text-decoration:none;
  gap:8px;
}
.btn-primary{
  background:var(--gradient);color:var(--ink);
  box-shadow:0 2px 20px var(--violet-glow);
}
.btn-primary:hover{box-shadow:0 4px 32px rgba(139,92,246,.4);transform:translateY(-1px)}

.btn-ghost{
  background:transparent;color:var(--ink);
  border:1.5px solid var(--glass-border);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:rgba(255,255,255,.15);background:var(--glass)}

.btn-white{
  background:var(--ink);color:var(--bg);font-weight:700;
  border:2px solid transparent;
}
.btn-white:hover{background:rgba(255,255,255,.9)}

.btn-link{background:none;color:var(--body);padding:13px 10px;font-weight:600}
.btn-link:hover{color:var(--ink);text-decoration:underline}

/* ══ HEADER ══ */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding-top:16px;
  pointer-events:none;
  transition:all var(--t);
}
header.header--sticky{padding-top:10px}

.header-inner{
  display:flex;align-items:center;justify-content:space-between;height:54px;
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r-pill);padding:0 8px 0 20px;
  pointer-events:all;
  box-shadow:0 4px 30px rgba(0,0,0,.4);
}

.logo{display:flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.02em}
.logo-icon{
  width:30px;height:30px;
  background:var(--gradient);border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-family:var(--sans);font-size:10px;font-weight:800;
}

.nav-desktop{display:none;align-items:center;gap:4px}
.nav-desktop a{
  font-size:13px;font-weight:500;color:var(--muted);
  padding:7px 14px;border-radius:var(--r-pill);
  transition:all var(--t);
}
.nav-desktop a:hover{color:var(--ink);background:rgba(255,255,255,.06)}

.header-cta{display:none}
.header-cta .btn{padding:8px 20px;font-size:12px;border-radius:var(--r-pill)}

/* burger */
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;background:none;border:none;cursor:pointer;padding:7px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all var(--t)}

/* drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:1001}
.drawer{
  position:fixed;top:0;right:0;bottom:0;left:0;width:100%;
  background:var(--surface);z-index:1002;padding:24px;
  display:flex;flex-direction:column;gap:4px;
  animation:slideIn .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--glass-border)}
.drawer-close{
  width:34px;height:34px;border:1px solid var(--glass-border);background:var(--glass);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:17px;color:var(--body);transition:all var(--t);
}
.drawer-close:hover{background:var(--violet);color:var(--ink);border-color:var(--violet)}
.drawer a{display:block;padding:14px 16px;font-size:15px;font-weight:500;color:var(--body);border-radius:var(--r);transition:all var(--t)}
.drawer a:hover{background:var(--glass);color:var(--ink)}
.drawer .btn{margin-top:12px;width:100%}

/* ══ HERO ══ */
.hero{padding:120px 0 48px;position:relative;overflow:hidden;text-align:center}

.hero::before{
  content:'';position:absolute;
  width:600px;height:600px;
  background:radial-gradient(circle,var(--violet-glow) 0%,transparent 65%);
  top:-200px;left:50%;transform:translateX(-50%);
  pointer-events:none;z-index:0;
}
.hero .container{position:relative;z-index:1}

.hero-content{max-width:680px;margin:0 auto}

.hero-rating{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-pill);font-size:12px;font-weight:600;color:var(--body);
  margin-bottom:24px;backdrop-filter:blur(8px);
}
.hero-rating .stars{color:#facc15;letter-spacing:2px;font-size:14px}

.hero h1{font-size:36px;margin-bottom:20px;color:var(--ink);letter-spacing:-.02em}
.hero h1 span{
  background:var(--gradient-text);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero-subtitle{font-size:15px;color:var(--body);line-height:1.8;margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}

.hero-buttons{display:flex;flex-direction:column;gap:10px;align-items:center;margin-bottom:40px}

.hero-stats{
  display:flex;justify-content:center;gap:32px;
  margin-bottom:48px;flex-wrap:wrap;
}
.hero-stat{
  text-align:center;
}
.hero-stat-num{
  font-family:var(--sans);font-size:28px;font-weight:800;
  background:var(--gradient-text);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.1;
}
.hero-stat-label{
  font-size:12px;color:var(--muted);font-weight:500;margin-top:4px;
}

.hero-image{
  width:100%;max-width:800px;margin:0 auto;position:relative;
}
.hero-image::before{
  content:'';position:absolute;inset:-2px;
  z-index:-1;opacity:.35;
}
.hero-image img{
  width:100%;height:auto;
  border-radius:var(--r-lg);
}

/* ══ MARQUEE ══ */
.marquee{
  padding:20px 0;overflow:hidden;
  border-top:1px solid var(--glass-border);
  border-bottom:1px solid var(--glass-border);
}
.marquee-track{
  display:flex;align-items:center;gap:24px;
  animation:scroll 20s linear infinite;
  width:max-content;
}
.marquee-track span{
  font-size:13px;font-weight:600;color:var(--muted);
  text-transform:uppercase;letter-spacing:.1em;white-space:nowrap;
}
.marquee-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--violet);opacity:.5;flex-shrink:0;
}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ══ FEATURES ══ */
.features{padding:64px 0}
.features-header{margin-bottom:48px}

.features-list{display:flex;flex-direction:column;gap:0}

.feature-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:28px 0;
  border-bottom:1px solid var(--glass-border);
  transition:background var(--t);
}
.feature-row:first-child{border-top:1px solid var(--glass-border)}
.feature-row:hover{background:rgba(255,255,255,.02)}

.feature-num{
  font-family:var(--sans);font-size:13px;font-weight:800;
  color:var(--violet);flex-shrink:0;padding-top:2px;
  min-width:28px;
}

.feature-body{flex:1}
.feature-body h3{font-size:18px;margin-bottom:6px;color:var(--ink)}
.feature-body p{font-size:14px;color:var(--body);line-height:1.7}

.feature-icon-wrap{
  width:44px;height:44px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--violet-soft);color:var(--violet);
  border-radius:12px;border:1px solid rgba(139,92,246,.12);
}
.feature-icon-wrap svg{display:block}

/* ══ COMPARISON ══ */
.comparison{padding:64px 0}
.comparison-header{margin-bottom:40px}
.comparison-grid{display:grid;grid-template-columns:1fr;gap:14px}

.comp-card{
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r);padding:24px;
  transition:border-color var(--t);
}
.comp-card:hover{border-color:rgba(255,255,255,.1)}
.comp-card h4{font-size:15px;margin-bottom:14px;color:var(--ink)}

.comp-item{font-size:13px;color:var(--body);line-height:1.7;padding:10px 14px;border-radius:10px;margin-bottom:8px}
.comp-item:last-child{margin-bottom:0}
.comp-item--old{background:rgba(255,255,255,.03)}
.comp-item--new{background:var(--violet-soft);color:var(--ink);font-weight:500}

.comp-badge{
  display:inline-block;font-family:var(--sans);font-size:10px;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;
  margin-bottom:4px;padding:2px 10px;border-radius:var(--r-pill);
}
.comp-badge--old{background:rgba(255,255,255,.06);color:var(--muted)}
.comp-badge--new{background:rgba(139,92,246,.2);color:var(--violet)}

/* ══ TRUST ══ */
.trust{padding:64px 0}

.trust-banner{
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);padding:32px;margin-bottom:20px;
  display:flex;flex-direction:column;gap:24px;overflow:hidden;
}
.trust-banner-content .section-title{margin-bottom:12px}
.trust-banner-content p{font-size:15px;color:var(--body);line-height:1.7}
.trust-banner-image img{width:100%;border-radius:var(--r);border:1px solid var(--glass-border)}

.trust-grid{display:grid;grid-template-columns:1fr;gap:14px}

.trust-card{
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r);padding:24px;
  transition:transform var(--t),box-shadow var(--t);
}
.trust-card:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(0,0,0,.3)}

.trust-num{
  font-family:var(--sans);font-size:12px;font-weight:800;
  color:var(--cyan);margin-bottom:12px;
}
.trust-card h3{font-size:17px;margin-bottom:8px}
.trust-card p{font-family:var(--sans);font-size:13px;color:var(--body);line-height:1.65}

/* ══ INSTALL ══ */
.install{padding:64px 0}

.install-split{display:flex;flex-direction:column;gap:36px}

.install-left .section-title{margin-bottom:14px}
.install-left p{font-size:15px;color:var(--body);line-height:1.7;margin-bottom:24px}

.install-right{display:flex;flex-direction:column;gap:12px}
.install-step{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r);
}
.install-step-num{
  width:32px;height:32px;flex-shrink:0;
  background:var(--gradient);border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--ink);
}
.install-step h4{font-size:14px;margin-bottom:2px}
.install-step p{font-size:12px;color:var(--body);line-height:1.6}

/* ══ FAQ ══ */
.faq{padding:64px 0}

.faq-split{display:flex;flex-direction:column;gap:32px}
.faq-left .section-title{margin-bottom:10px}
.faq-left p{font-size:15px;color:var(--body)}

.faq-right{display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:var(--surface);border:1px solid var(--glass-border);
  border-radius:var(--r);overflow:hidden;
  transition:border-color var(--t);
}
.faq-item[open]{border-color:rgba(139,92,246,.25)}
.faq-item summary{
  padding:18px 20px;font-weight:600;font-size:15px;cursor:pointer;
  list-style:none;color:var(--ink);display:flex;align-items:center;justify-content:space-between;
  transition:background var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:20px;color:var(--violet);font-weight:400;transition:transform var(--t)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:rgba(255,255,255,.02)}
.faq-answer{padding:0 20px 20px;font-size:14px;color:var(--body);line-height:1.75}

/* ══ CTA ══ */
.cta{padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at center,var(--violet-glow) 0%,transparent 60%);
  pointer-events:none;
}
.cta .container{position:relative;z-index:1}
.cta h2{font-size:28px;color:var(--ink);margin-bottom:14px}
.cta p{font-size:15px;color:var(--body);margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto}
.cta-buttons{display:flex;flex-direction:column;align-items:center;gap:12px}

/* ══ FOOTER ══ */
footer{padding:48px 0 24px;border-top:1px solid var(--glass-border)}
.footer-inner{display:flex;flex-direction:column;gap:28px;margin-bottom:32px}
.footer-brand p{font-size:13px;color:var(--muted);margin-top:10px;max-width:280px;line-height:1.6}
.footer-info p{font-size:12px;color:var(--muted);line-height:1.7}
.footer-info strong{color:var(--body)}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:13px;color:var(--body);transition:color var(--t)}
.footer-links a:hover{color:var(--violet)}
.footer-bottom{font-size:11px;color:var(--muted);text-align:center;padding-top:24px;border-top:1px solid var(--glass-border)}

/* ══════════════════════════════════════════════
   TABLET 768 +
   ══════════════════════════════════════════════ */
@media(min-width:768px){
  .container{padding:0 36px}
  .section-title{font-size:34px}
  .section-subtitle{font-size:16px}

  .nav-desktop{display:flex}
  .header-cta{display:block}
  .burger{display:none}
  .header-inner{max-width:720px;margin:0 auto}

  .hero{padding:140px 0 80px}
  .hero::before{width:800px;height:800px;top:-300px}
  .hero h1{font-size:46px}
  .hero-buttons{flex-direction:row;justify-content:center}
  .hero-stats{gap:48px}
  .hero-stat-num{font-size:36px}
  .hero-image{max-width:700px}

  .features{padding:80px 0}
  .feature-body h3{font-size:20px}

  .comparison{padding:80px 0}
  .comparison-grid{grid-template-columns:1fr 1fr}

  .trust{padding:80px 0}
  .trust-banner{flex-direction:row;align-items:center;gap:36px;padding:40px}
  .trust-banner-content{flex:1}
  .trust-banner-image{flex:0 0 280px}
  .trust-grid{grid-template-columns:repeat(3,1fr)}

  .install{padding:80px 0}
  .install-split{flex-direction:row;gap:48px;align-items:flex-start}
  .install-left{flex:1;position:sticky;top:100px}
  .install-right{flex:1}

  .faq{padding:80px 0}
  .faq-split{flex-direction:row;gap:48px;align-items:flex-start}
  .faq-left{flex:0 0 260px;position:sticky;top:100px}
  .faq-right{flex:1}

  .cta{padding:80px 0}
  .cta h2{font-size:34px}
  .cta-buttons{flex-direction:row;justify-content:center}

  footer{padding:56px 0 24px}
  .footer-inner{flex-direction:row;justify-content:space-between;align-items:flex-start}
}

/* ══════════════════════════════════════════════
   DESKTOP 1024 +
   ══════════════════════════════════════════════ */
@media(min-width:1024px){
  .container{padding:0 52px}
  .section-title{font-size:44px}

  .hero{padding:160px 0 100px}
  .hero::before{width:1000px;height:1000px;top:-400px}
  .hero h1{font-size:60px}
  .hero-subtitle{font-size:17px}
  .hero-stats{gap:64px}
  .hero-stat-num{font-size:42px}
  .hero-image{max-width:440px}

  .features{padding:100px 0}
  .feature-row{padding:36px 0}
  .feature-body h3{font-size:22px}
  .feature-body p{font-size:15px}

  .comparison{padding:100px 0}

  .trust{padding:100px 0}
  .trust-banner{padding:48px}
  .trust-banner-image{flex:0 0 360px}

  .install{padding:100px 0}

  .faq{padding:100px 0}
  .faq-left{flex:0 0 320px}

  .cta{padding:100px 0}
  .cta h2{font-size:44px}
}