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

:root {
  /* Exact app colors */
  --bg:          #F5F5F5;
  --bg1:         #FAFAFA;
  --bg2:         #F0F0F1;
  --bg3:         #E5E5E7;
  --dark:        #0A0A0B;
  --dark1:       #131316;
  --dark2:       #1A1A1E;
  --dark3:       #232328;
  --rule:        #E5E5E7;
  --rule-soft:   #EFEFF1;
  --text:        #0A0A0B;
  --text-mid:    #2A2A2E;
  --text-muted:  #6B6B70;
  --text-dim:    #A0A0A5;
  --ember:       #FF5722;
  --ember-deep:  #E84818;
  --ember-soft:  rgba(255,87,34,0.12);
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }

/* ─── Utilities ─────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

.tag {
  font-family: var(--mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--ember);
  display: inline-block;
}

/* ─── Animations ─────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes floatA {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50%       { transform: translateY(-14px) rotate(-3deg); }
}
@keyframes floatB {
  0%, 100% { transform: translateY(0) rotate(2.5deg); }
  50%       { transform: translateY(-9px) rotate(2.5deg); }
}
@keyframes dotPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.2); }
}

.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── Nav ───────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(245,245,245,0.9);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--rule);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav-inner { display: flex; align-items: center; height: 64px; gap: 40px; }
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo img { width: 28px; height: 28px; object-fit: contain; }
.nav-wordmark {
  font-family: var(--mono); font-size: 14px; font-weight: 700;
  letter-spacing: 0.14em; color: var(--text); text-transform: uppercase;
}
.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-links a {
  font-size: 13px; font-weight: 500;
  color: var(--text-muted); transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; color: var(--ember);
  padding: 8px 18px; border: 1px solid rgba(255,87,34,0.3); border-radius: 3px;
  transition: background 0.15s, color 0.15s; white-space: nowrap;
}
.nav-cta:hover { background: var(--ember); color: #fff; border-color: var(--ember); }

/* ─── Hero ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 55% at 90% 10%, rgba(255,87,34,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 5% 90%,  rgba(255,87,34,0.04) 0%, transparent 55%);
  pointer-events: none;
}
.hero-bg-word {
  position: absolute; top: 50%; left: 55%;
  transform: translate(-50%, -50%);
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(120px, 22vw, 320px); letter-spacing: -0.04em; text-transform: uppercase;
  color: rgba(10,10,11,0.03); pointer-events: none; white-space: nowrap; user-select: none;
  will-change: transform;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 64px; align-items: center; width: 100%; position: relative; z-index: 1;
}
.hero-label {
  margin-bottom: 24px;
  animation: fadeUp 0.5s cubic-bezier(0.16,1,0.3,1) 0.1s both;
}
.hero-display {
  font-size: clamp(52px, 7.5vw, 100px);
  font-weight: 700; line-height: 1.04; letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-display .line { display: block; animation: fadeUp 0.6s cubic-bezier(0.16,1,0.3,1) both; }
.hero-display .line:nth-child(1) { animation-delay: 0.18s; }
.hero-display .line:nth-child(2) { animation-delay: 0.32s; color: var(--ember); }
.hero-sub {
  font-size: 16px; color: var(--text-muted); line-height: 1.72;
  max-width: 460px; margin-bottom: 36px;
  animation: fadeUp 0.5s cubic-bezier(0.16,1,0.3,1) 0.46s both;
}
.hero-actions {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  animation: fadeUp 0.5s cubic-bezier(0.16,1,0.3,1) 0.6s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  color: #fff; background: var(--ember);
  padding: 12px 24px; border-radius: 3px;
  transition: background 0.15s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(255,87,34,0.3);
}
.btn-primary:hover {
  background: var(--ember-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,87,34,0.38);
}
.btn-large { font-size: 15px; padding: 14px 32px; }
.btn-primary svg { flex-shrink: 0; }
.hero-meta { font-size: 13px; font-weight: 500; color: var(--text-dim); }

/* Hero phone mockup */
.hero-phone-wrap {
  position: relative; height: 560px;
  animation: fadeIn 0.8s cubic-bezier(0.16,1,0.3,1) 0.3s both;
}
.hero-phone {
  position: absolute; width: 235px; border-radius: 38px; overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.06),
    0 20px 52px rgba(0,0,0,0.12),
    0 6px 16px rgba(0,0,0,0.06);
}
.hero-phone img { width: 100%; display: block; }
.hero-phone:first-child {
  top: 20px; left: 30px; z-index: 2;
  animation: floatA 6.5s ease-in-out 1.2s infinite;
}
.hero-phone--back {
  top: 70px; left: 145px; z-index: 1; opacity: 0.8;
  animation: floatB 7.5s ease-in-out 0.6s infinite;
}

/* ─── Features ──────────────────────────────────────────────────── */
.features { padding: 0; }
.feat {
  border-bottom: 1px solid var(--rule);
  padding: 88px 0; position: relative; overflow: hidden;
}
.feat:first-child { border-top: 1px solid var(--rule); }
.feat-bg-num {
  position: absolute; right: -0.02em; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: clamp(140px, 18vw, 240px);
  font-weight: 700; color: rgba(10,10,11,0.025);
  pointer-events: none; line-height: 1; letter-spacing: -0.03em; user-select: none;
  transition: color 0.4s;
}
.feat:hover .feat-bg-num { color: rgba(10,10,11,0.05); }
.feat-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center; position: relative; z-index: 1;
}
.feat--reverse .feat-inner { direction: rtl; }
.feat--reverse .feat-inner > * { direction: ltr; }
.feat-media { display: flex; justify-content: center; }
.feat-phone {
  width: 220px; border-radius: 36px; overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.05),
    0 20px 48px rgba(0,0,0,0.11),
    0 6px 14px rgba(0,0,0,0.05);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s;
}
.feat-phone:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.05),
    0 32px 64px rgba(0,0,0,0.15),
    0 10px 22px rgba(0,0,0,0.08);
}
.feat-phone img { width: 100%; display: block; }
.feat-content h2 {
  font-size: clamp(28px, 3.2vw, 44px); font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.12;
  margin-bottom: 16px; color: var(--text);
}
.feat-content p {
  font-size: 15px; color: var(--text-muted);
  line-height: 1.75; max-width: 420px; margin-bottom: 32px;
}

/* ─── Reviews ───────────────────────────────────────────────────── */
.reviews {
  padding: 96px 0;
  background: var(--dark);
  overflow: hidden;
}
.reviews-header {
  display: flex; align-items: flex-end; gap: 40px; margin-bottom: 56px;
}
.reviews .tag { color: var(--ember); }
.reviews-title {
  font-size: clamp(36px, 5vw, 60px); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.06; color: var(--bg1);
}
.reviews-title em { font-style: italic; color: var(--ember); }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.review-card {
  background: var(--dark1);
  border: 1px solid var(--dark3);
  border-radius: 12px; padding: 24px;
  transition: background 0.2s, border-color 0.2s, transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.review-card:hover {
  background: var(--dark2);
  border-color: rgba(255,87,34,0.25);
  transform: translateY(-4px);
}
.review-stars {
  font-size: 13px; color: var(--ember); letter-spacing: 2px; margin-bottom: 14px;
}
.review-text {
  font-size: 14px; line-height: 1.75;
  color: #8A8A90; margin-bottom: 20px;
}
.review-author { display: flex; flex-direction: column; gap: 3px; }
.review-name { font-size: 13px; font-weight: 600; color: #FAFAFA; }
.review-meta {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; color: #5A5A60;
}

/* ─── Download ──────────────────────────────────────────────────── */
.download {
  padding: 128px 0; position: relative; overflow: hidden;
  border-top: 1px solid var(--rule);
}
.download::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 60% at 50% 50%, rgba(255,87,34,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.download-bg-word {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--mono); font-size: clamp(80px, 18vw, 240px);
  font-weight: 700; letter-spacing: -0.04em; text-transform: uppercase;
  color: rgba(10,10,11,0.04); pointer-events: none; white-space: nowrap; user-select: none;
}
.download-inner { position: relative; z-index: 1; text-align: center; }
.download-inner .tag { display: block; margin-bottom: 24px; }
.download-inner h2 {
  font-size: clamp(40px, 6vw, 80px); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.06;
  margin-bottom: 44px;
}
.download-inner h2 em { font-style: italic; color: var(--ember); }

/* ─── Footer ────────────────────────────────────────────────────── */
.footer { padding: 40px 0; background: var(--bg1); border-top: 1px solid var(--rule); }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-bottom: 32px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { width: 22px; height: 22px; object-fit: contain; }
.footer-wordmark {
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase;
}
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a { font-size: 12px; color: var(--text-muted); transition: color 0.15s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { padding-top: 24px; border-top: 1px solid var(--rule-soft); }
.footer-copy span {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em; color: var(--text-dim);
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-phone-wrap { display: none; }
  .feat-inner { grid-template-columns: 1fr; gap: 36px; }
  .feat--reverse .feat-inner { direction: ltr; }
  .feat-bg-num { display: none; }
  .feat-media { order: -1; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
.footer-inner { flex-direction: column; align-items: flex-start; }
  .reviews-grid { grid-template-columns: 1fr; }
  .reviews-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}