/* ===== RESET & TOKENS ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --p: #7C3AED;
  --p2: #A78BFA;
  --p3: #EDE9FE;
  --pk: #EC4899;
  --pk2: #F9A8D4;
  --pk3: #FCE7F3;
  --grad: linear-gradient(135deg, #7C3AED 0%, #C084FC 55%, #EC4899 100%);
  --grad-soft: linear-gradient(135deg, #EDE9FE 0%, #FCE7F3 100%);
  --dark: #0D0820;
  --dark2: #160E2E;
  --ink: #1C1033;
  --muted: #6B7280;
  --faint: #9CA3AF;
  --white: #FFFFFF;
  --off: #FAFAF9;
  --border: rgba(124,58,237,0.10);
  --sh-sm: 0 2px 8px rgba(124,58,237,0.07);
  --sh-md: 0 8px 32px rgba(124,58,237,0.11);
  --sh-lg: 0 24px 64px rgba(124,58,237,0.15);
  --r: 20px;
  --r-sm: 12px;
  --r-lg: 32px;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--sans); background: var(--white); color: var(--ink); line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
em { font-style: normal; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--p2); border-radius: 2px; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px; padding: 0 6%;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(124,58,237,0.05);
  transition: box-shadow 0.3s var(--ease);
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(124,58,237,0.07); }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 34px; height: 34px; border-radius: 10px; object-fit: contain; }
.nav-logo-text {
  font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--muted); transition: color 0.25s; letter-spacing: 0.01em; }
.nav-links a:hover { color: var(--p); }
.nav-cta {
  background: var(--grad); color: white !important;
  padding: 8px 20px; border-radius: 100px;
  font-size: 0.875rem !important; font-weight: 500 !important;
  box-shadow: 0 4px 14px rgba(124,58,237,0.28);
  transition: opacity 0.25s, transform 0.25s !important;
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; margin: 5px 0; transition: 0.3s var(--ease); }
.mobile-nav {
  display: none; flex-direction: column; gap: 0;
  position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 16px 6%; font-size: 1rem; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--border); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; padding: 112px 6% 80px;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px;
  background: linear-gradient(155deg, #FDFCFF 0%, #F3EEFF 45%, #FFF0F8 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 55% 55% at 72% 38%, rgba(192,132,252,0.18) 0%, transparent 65%),
    radial-gradient(ellipse 38% 38% at 18% 82%, rgba(236,72,153,0.09) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(124,58,237,0.07); border: 1px solid rgba(124,58,237,0.14);
  border-radius: 100px; padding: 6px 16px;
  font-size: 0.78rem; font-weight: 500; color: var(--p);
  margin-bottom: 28px; letter-spacing: 0.025em;
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.75)} }
.hero-title { font-size: clamp(2.2rem, 4.2vw, 3.6rem); line-height: 1.12; letter-spacing: -0.035em; margin-bottom: 20px; }
.hero-title-light { display: block; font-weight: 300; color: var(--ink); }
.hero-title-bold { display: block; font-weight: 700; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.05rem; color: var(--muted); font-weight: 300; line-height: 1.75; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--grad); color: white;
  padding: 14px 26px; border-radius: 100px;
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0.01em;
  box-shadow: 0 8px 24px rgba(124,58,237,0.32);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(124,58,237,0.42); }
.btn-ghost { font-size: 0.9rem; font-weight: 500; color: var(--p); padding: 14px 0; border-bottom: 1px solid transparent; transition: border-color 0.25s; }
.btn-ghost:hover { border-color: var(--p); }
.hero-meta { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; color: var(--faint); }
.hero-meta .dot { color: var(--p2); }
.hero-visual { position: relative; z-index: 1; }
.hero-img-frame { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-lg); }
.hero-img-frame img { width: 100%; }
.hero-chip {
  position: absolute;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.8); border-radius: var(--r-sm);
  padding: 12px 16px; box-shadow: 0 8px 28px rgba(0,0,0,0.09);
}
.hero-chip-1 { bottom: 28px; left: -24px; display: flex; align-items: center; gap: 12px; }
.hero-chip-2 { top: 28px; right: -24px; text-align: center; min-width: 80px; }
.chip-icon { font-size: 1.4rem; }
.chip-title { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.chip-sub { font-size: 0.72rem; color: var(--faint); margin-top: 2px; }
.chip-num { font-size: 1.5rem; font-weight: 700; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===== SECTION SHARED ===== */
section { padding: 96px 6%; }
.sec-label { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.13em; text-transform: uppercase; color: var(--p); margin-bottom: 14px; }
.sec-title { font-size: clamp(1.7rem, 2.8vw, 2.5rem); font-weight: 300; letter-spacing: -0.03em; line-height: 1.2; color: var(--ink); margin-bottom: 14px; }
.sec-desc { font-size: 0.975rem; color: var(--muted); max-width: 500px; line-height: 1.75; }
.sec-header { margin-bottom: 60px; }
.sec-header.center { text-align: center; }
.sec-header.center .sec-desc { margin: 0 auto; }

/* ===== FEATURES ===== */
.features { background: var(--off); }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feat-card {
  background: white; border-radius: var(--r); padding: 36px 30px;
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative; overflow: hidden;
}
.feat-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity 0.3s;
}
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }
.feat-card:hover::after { opacity: 1; }
.feat-icon { font-size: 1.8rem; margin-bottom: 20px; }
.feat-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--ink); margin-bottom: 10px; letter-spacing: -0.01em; }
.feat-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.72; }

/* ===== SCREENSHOTS ===== */
.screenshots { background: white; }
.phones-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; align-items: end; }
.phone-wrap { transition: transform 0.3s var(--ease); }
.phone-wrap.featured { transform: scale(1.04); }
.phone-wrap.featured:hover { transform: scale(1.04) translateY(-8px); }
.phone-wrap:not(.featured):hover { transform: translateY(-6px); }
.phone-frame {
  border-radius: 36px; overflow: hidden;
  box-shadow: 0 20px 56px rgba(0,0,0,0.14);
  background: #1a1a1a;
  transition: box-shadow 0.3s var(--ease);
}
.phone-wrap.featured .phone-frame { box-shadow: 0 28px 72px rgba(124,58,237,0.22); }
.phone-frame img { width: 100%; display: block; aspect-ratio: 414 / 896; object-fit: cover; }
.phone-label { text-align: center; margin-top: 14px; font-size: 0.78rem; color: var(--faint); font-weight: 500; letter-spacing: 0.02em; }

/* ===== DOWNLOAD ===== */
.download { background: var(--dark); position: relative; overflow: hidden; }
.download-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 65% 65% at 50% 50%, rgba(124,58,237,0.28) 0%, transparent 68%);
}
.download-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.download-title { font-size: clamp(1.9rem, 3.2vw, 2.8rem); font-weight: 300; letter-spacing: -0.03em; color: white; line-height: 1.2; margin-bottom: 18px; }
.download-title em { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 700; }
.download-desc { color: rgba(255,255,255,0.48); font-size: 0.975rem; line-height: 1.75; margin-bottom: 36px; }
.download-btn {
  display: inline-flex; align-items: center; gap: 14px;
  background: white; color: var(--ink);
  padding: 15px 26px; border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.22);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 48px rgba(0,0,0,0.32); }
.dl-icon { font-size: 2rem; }
.dl-sm { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; }
.dl-lg { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.download-note { margin-top: 14px; font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.download-phones { display: flex; justify-content: center; gap: 16px; align-items: flex-end; }
.dl-phone { border-radius: 28px; overflow: hidden; box-shadow: 0 20px 56px rgba(0,0,0,0.38); }
.dl-phone img { width: 140px; display: block; aspect-ratio: 414 / 896; object-fit: cover; }
.dl-phone.main img { width: 160px; }

/* ===== FAQ ===== */
.faq { background: var(--off); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq-item {
  background: white; border-radius: var(--r-sm);
  border: 1px solid var(--border); overflow: hidden;
  transition: box-shadow 0.25s;
}
.faq-item:hover { box-shadow: var(--sh-sm); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 22px;
  background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-size: 0.9rem; font-weight: 500; color: var(--ink); font-family: var(--sans);
  transition: color 0.25s;
}
.faq-q:hover { color: var(--p); }
.faq-plus {
  width: 22px; height: 22px; flex-shrink: 0; border-radius: 50%;
  background: var(--grad-soft); color: var(--p);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 400;
  transition: transform 0.3s var(--ease), background 0.3s;
}
.faq-item.open .faq-plus { transform: rotate(45deg); background: var(--grad); color: white; }
.faq-a {
  max-height: 0; overflow: hidden; padding: 0 22px;
  font-size: 0.875rem; color: var(--muted); line-height: 1.72;
  transition: max-height 0.4s var(--ease), padding 0.3s;
}
.faq-item.open .faq-a { max-height: 180px; padding: 0 22px 18px; }
.faq-a a { color: var(--p); }

/* ===== CONTACT ===== */
.contact { background: white; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.cinfo-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 28px; }
.cinfo-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px;
  background: var(--grad-soft); display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.cinfo-label { font-size: 0.72rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px; }
.cinfo-val { font-size: 0.925rem; font-weight: 500; color: var(--ink); }
.cinfo-val a { color: var(--p); }
.cform { display: flex; flex-direction: column; gap: 14px; }
.cform-group { display: flex; flex-direction: column; gap: 5px; }
.cform-group label { font-size: 0.78rem; font-weight: 500; color: var(--muted); letter-spacing: 0.02em; }
.cform-group input, .cform-group textarea {
  padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--r-sm);
  font-size: 0.9rem; font-family: var(--sans); color: var(--ink); background: var(--off);
  outline: none; transition: border-color 0.25s, box-shadow 0.25s;
}
.cform-group input:focus, .cform-group textarea:focus {
  border-color: var(--p2); box-shadow: 0 0 0 3px rgba(124,58,237,0.07); background: white;
}
.cform-group textarea { resize: vertical; min-height: 110px; }
.cform-submit {
  background: var(--grad); color: white; padding: 12px 26px;
  border-radius: 100px; border: none; cursor: pointer;
  font-size: 0.9rem; font-weight: 500; font-family: var(--sans);
  align-self: flex-start; box-shadow: 0 4px 16px rgba(124,58,237,0.24);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.cform-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,58,237,0.34); }

/* ===== FOOTER ===== */
footer { background: var(--dark2); padding: 56px 6% 36px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 44px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { width: 30px; height: 30px; border-radius: 8px; }
.footer-logo span { font-size: 0.95rem; font-weight: 600; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-brand p { font-size: 0.83rem; color: rgba(255,255,255,0.36); line-height: 1.7; max-width: 220px; }
.footer-col-title { font-size: 0.7rem; font-weight: 600; color: rgba(255,255,255,0.5); letter-spacing: 0.11em; text-transform: uppercase; margin-bottom: 18px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.36); transition: color 0.25s; }
.footer-links a:hover { color: rgba(255,255,255,0.85); }
.footer-bottom { padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.22); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.78rem; color: rgba(255,255,255,0.28); transition: color 0.25s; }
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ===== FADE-IN ANIMATION ===== */
.fade-in { opacity: 0; transform: translateY(18px); transition: opacity 0.55s var(--ease), transform 0.55s var(--ease); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .phones-row { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero { grid-template-columns: 1fr; padding: 96px 6% 56px; gap: 36px; }
  .hero-visual { order: -1; }
  .hero-chip-1 { left: 0; }
  .hero-chip-2 { right: 0; }
  .download-inner { grid-template-columns: 1fr; gap: 40px; }
  .download-phones { display: none; }
  .faq-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  section { padding: 68px 5%; }
  .hero-title { font-size: 2rem; }
  .phones-row { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}