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

:root {
  --blue: #007AFF;
  --blue-dark: #0055CC;
  --text: #1C1C1E;
  --text-secondary: #6E6E73;
  --bg: #FFFFFF;
  --bg-alt: #F2F2F7;
  --radius: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo span {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav a {
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

nav a:hover { color: var(--blue); }

.btn-nav {
  background: var(--blue) !important;
  color: white !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px !important;
  transition: background 0.2s !important;
}

.btn-nav:hover { background: var(--blue-dark) !important; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  background: linear-gradient(180deg, #D6E8FF 0%, #EBF4FF 40%, #F8FBFF 80%, #FFFFFF 100%);
  padding: 80px 0 0;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero-text { padding-bottom: 80px; }

.badge {
  display: inline-block;
  background: rgba(0,122,255,0.1);
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: var(--text);
}

.hero h1 span { color: var(--blue); }

.subtitle {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 440px;
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000;
  color: #fff;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.28);
}

.hero-phone {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-phone img {
  width: 100%;
  max-width: 320px;
  border-radius: 32px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.18);
  transform: translateY(0) rotate(-3deg);
}

/* ── Features ──────────────────────────────────────────── */
.features {
  padding: 100px 0;
  background: var(--bg);
}

.features h2,
.screenshots h2,
.cta h2,
.contact h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  text-align: center;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s;
}

.feature-card:hover { transform: translateY(-4px); }

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ── Screenshots ───────────────────────────────────────── */
.screenshots {
  padding: 100px 0 0;
  background: var(--bg-alt);
  overflow: hidden;
}

.screenshots-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 0 max(24px, calc((100vw - 1100px) / 2)) 60px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshots-scroll::-webkit-scrollbar { display: none; }

.screenshots-scroll img {
  height: 560px;
  width: auto;
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.14);
  scroll-snap-align: start;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.screenshots-scroll img:hover { transform: scale(1.02); }

/* ── CTA ───────────────────────────────────────────────── */
.cta {
  padding: 100px 0;
  background: linear-gradient(160deg, #081428 0%, #0E2B5A 55%, #071222 100%);
  text-align: center;
}

.cta-icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  margin-bottom: 28px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.cta h2 { color: #fff; margin-bottom: 16px; }

.cta p {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
}

/* ── Contact / Support ─────────────────────────────────── */
.contact {
  padding: 100px 0;
  background: var(--bg-alt);
}

.support-card {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0;
  background: var(--bg);
  border-radius: 24px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.08);
  overflow: hidden;
}

.support-left {
  padding: 52px 44px;
  background: linear-gradient(160deg, #EBF4FF 0%, #F5F9FF 100%);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.support-icon {
  width: 52px;
  height: 52px;
  background: white;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,122,255,0.15);
  margin-bottom: 24px;
}

.support-left h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.6px;
  margin-bottom: 14px;
  text-align: left;
}

.support-left p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.support-direct {
  margin-top: auto;
  padding-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.support-direct span {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.support-direct a {
  font-size: 16px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}

.support-direct a:hover { text-decoration: underline; }

/* ── Form ───────────────────────────────────────────────── */
.support-form {
  padding: 52px 44px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  background: var(--bg-alt);
  border: 1.5px solid transparent;
  border-radius: 10px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  width: 100%;
  resize: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236E6E73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background: white;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #AEAEB2; }

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0,122,255,0.25);
}

.submit-btn:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,122,255,0.32);
}

.submit-btn:active { transform: translateY(0); }

.form-success {
  margin-top: 14px;
  padding: 13px 16px;
  background: #F0FFF4;
  border: 1.5px solid #34C759;
  border-radius: 10px;
  font-size: 14px;
  color: #1A6630;
  line-height: 1.5;
}

@media (max-width: 860px) {
  .support-card { grid-template-columns: 1fr; }
  .support-left { padding: 40px 32px 32px; }
  .support-direct { padding-top: 24px; }
  .support-form { padding: 32px; }
}

@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
  .support-left, .support-form { padding: 28px 20px; }
}

/* ── Footer ────────────────────────────────────────────── */
footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(0,0,0,0.07);
  padding: 28px 0;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-left img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--blue); }

/* ── Privacy page ──────────────────────────────────────── */
.privacy-hero {
  padding: 80px 0 48px;
  background: var(--bg-alt);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.privacy-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.privacy-hero p {
  color: var(--text-secondary);
  font-size: 15px;
}

.privacy-body {
  padding: 64px 0 100px;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.privacy-body h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.4px;
  margin: 48px 0 14px;
  color: var(--text);
}

.privacy-body h2:first-child { margin-top: 0; }

.privacy-body p, .privacy-body li {
  font-size: 16px;
  line-height: 1.75;
  color: #3A3A3C;
  margin-bottom: 14px;
}

.privacy-body ul {
  padding-left: 22px;
  margin-bottom: 14px;
}

.privacy-body a {
  color: var(--blue);
  text-decoration: none;
}

.privacy-body a:hover { text-decoration: underline; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  nav a:not(.btn-nav) { display: none; }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-text { padding-bottom: 0; }
  .subtitle { margin-left: auto; margin-right: auto; }

  .hero-phone img {
    max-width: 240px;
    transform: rotate(0deg);
  }

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

  footer .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0 0; }
  .screenshots-scroll img { height: 420px; }
}