:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-soft: #f2f2f2;
  --ink: #111111;
  --muted: #666666;
  --line: #dddddd;
  --accent: #181818;
  --accent-soft: #2b2b2b;
  --success: #2d6a4f;
  --shadow: 0 24px 60px rgba(0,0,0,.12);
  --radius-xl: 42px;
  --radius-lg: 28px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 5%, rgba(0,0,0,.04), transparent 18%),
    radial-gradient(circle at 8% 18%, rgba(0,0,0,.025), transparent 16%),
    var(--bg);
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.section-shell {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 26px;
  padding: 18px max(20px, calc((100vw - 1220px) / 2));
  background: rgba(250,250,250,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(221,221,221,.85);
}

.brand { display: inline-flex; align-items: center; width: max-content; }
.brand-logo {
  width: 160px;
  height: 46px;
  object-fit: contain;
  object-position: left center;
}
.nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover { color: var(--ink); }
.header-button {
  justify-self: end;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid var(--ink);
  background: var(--surface);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 70px;
  min-height: 820px;
  padding: 84px 0 105px;
}
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--muted);
}
.eyebrow.light { color: #dcdcdc; }
h1, h2, h3 {
  margin-top: 0;
  line-height: 1.06;
  letter-spacing: -.04em;
}
h1 {
  font-size: clamp(3.4rem, 6vw, 6.1rem);
  margin: 18px 0 24px;
}
h2 {
  font-size: clamp(2.1rem, 4vw, 4rem);
  margin-bottom: 18px;
}
h3 { font-size: 1.4rem; margin-bottom: 12px; }
.lead, .statement-copy p, .showcase-copy p, .premium-copy p, .disclaimer p, .download-copy p {
  color: var(--muted);
  font-size: 1.08rem;
}
.hero-actions { display: flex; gap: 18px; margin-top: 34px; }
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 16px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  box-shadow: 0 16px 30px rgba(0,0,0,.15);
}
.primary-button:hover { background: #000000; transform: translateY(-2px); }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.hero-tags span {
  padding: 8px 13px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .88rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 680px;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}
.glow-a {
  width: 350px; height: 350px;
  background: rgba(0,0,0,.05);
  top: 25px; left: 60px;
}
.glow-b {
  width: 190px; height: 190px;
  background: rgba(0,0,0,.04);
  right: 10px; bottom: 80px;
}
.phone {
  overflow: hidden;
  border: 10px solid #151515;
  border-radius: 38px;
  background: #111111;
  box-shadow: var(--shadow);
}
.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.phone-main {
  position: absolute;
  z-index: 3;
  width: 315px;
  height: 645px;
  left: 10%;
  top: 0;
  transform: rotate(-3deg);
}
.phone-secondary {
  position: absolute;
  z-index: 2;
  width: 270px;
  height: 565px;
  right: 2%;
  top: 74px;
  transform: rotate(6deg);
}
.floating-card {
  position: absolute;
  z-index: 5;
  max-width: 225px;
  padding: 15px 17px;
  border-radius: 18px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  box-shadow: 0 14px 35px rgba(0,0,0,.12);
}
.floating-card strong, .floating-card span {
  display: block;
}
.floating-card strong { margin-bottom: 4px; }
.floating-card span { color: var(--muted); font-size: .92rem; }
.floating-card-a { left: 0; top: 118px; }
.floating-card-b { right: 0; bottom: 120px; }

.statement { padding: 40px 0 70px; }
.statement-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 40px;
  align-items: start;
}
.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}
.stat-card strong, .stat-card span {
  display: block;
}
.stat-card strong { font-size: 1.05rem; margin-bottom: 10px; }
.stat-card span { color: var(--muted); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 30px 0 110px;
}
.feature-card {
  min-height: 270px;
  padding: 30px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.feature-card p { color: var(--muted); }
.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  border-radius: 14px;
  background: var(--surface-soft);
  font-size: 1.3rem;
  font-weight: 800;
}

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 0 0 120px;
}
.reverse .showcase-copy { order: 1; }
.reverse .multi-panel { order: 2; }
.showcase-visual, .multi-panel {
  position: relative;
}
.soft-panel, .light-panel {
  min-height: 660px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-xl);
}
.soft-panel { background: #ededed; }
.light-panel { background: #f4f4f4; }
.single-phone {
  width: 310px;
  height: 620px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.check-list li {
  position: relative;
  padding: 8px 0 8px 28px;
  font-weight: 600;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
}

.multi-panel {
  min-height: 670px;
}
.stack-card {
  position: absolute;
  overflow: hidden;
  border-radius: 32px;
  box-shadow: var(--shadow);
}
.stack-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.stack-card-top {
  width: 310px;
  height: 620px;
  left: 10%;
  top: 0;
  transform: rotate(-3deg);
}
.stack-card-bottom {
  width: 260px;
  height: 560px;
  right: 2%;
  top: 110px;
  transform: rotate(6deg);
}

.premium-section {
  background: #111111;
  color: white;
}
.premium-grid {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 70px;
  align-items: center;
  padding: 110px 0;
}
.premium-copy p { color: #d0d0d0; }
.premium-card {
  padding: 34px;
  border-radius: 30px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.premium-price {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 18px;
}
.premium-list {
  display: grid;
  gap: 12px;
  color: #d8d8d8;
}
.premium-list div {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
}

.disclaimer {
  padding: 110px 0 90px;
  text-align: center;
}
.disclaimer p {
  max-width: 860px;
  margin: 0 auto;
}

.download {
  padding: 0 0 110px;
}
.download-card {
  padding: 44px;
  border-radius: 34px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-logo { width: 144px; height: 42px; }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s ease, transform .75s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero, .statement-grid, .showcase, .premium-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-tags { justify-content: center; }
  .hero-visual { width: min(700px, 100%); margin: 0 auto; }
  .stat-cards { grid-template-columns: 1fr 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .reverse .showcase-copy, .reverse .multi-panel { order: initial; }
}

@media (max-width: 720px) {
  .section-shell { width: min(100% - 28px, 1220px); }
  .site-header { padding: 14px; }
  .header-button { padding: 10px 14px; }
  .brand-logo { width: 135px; height: 40px; }
  .hero { min-height: auto; padding: 56px 0 70px; }
  h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .hero-actions { flex-direction: column; }
  .hero-visual { min-height: 520px; }
  .phone-main { width: 240px; height: 490px; left: 4%; }
  .phone-secondary { width: 195px; height: 418px; right: 2%; top: 78px; }
  .floating-card { display: none; }
  .stat-cards, .feature-grid { grid-template-columns: 1fr; }
  .statement, .feature-grid { padding-bottom: 80px; }
  .showcase { gap: 44px; padding-bottom: 80px; }
  .soft-panel, .light-panel { min-height: 560px; }
  .single-phone { width: 270px; height: 540px; }
  .multi-panel { min-height: 560px; }
  .stack-card-top { width: 245px; height: 500px; left: 4%; }
  .stack-card-bottom { width: 205px; height: 430px; right: 2%; top: 105px; }
  .premium-grid, .disclaimer { padding: 80px 0; }
  .download { padding-bottom: 80px; }
  .download-card { padding: 30px; }
  .site-footer { grid-template-columns: 1fr; justify-items: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}