:root {
  --brand: #064E3B;
  --brand-600: #0b6b52;
  --brand-50: #ecfdf5;
  --ink: #0f1a17;
  --ink-2: #41524c;
  --muted: #6b7a75;
  --line: #e6ece9;
  --bg: #ffffff;
  --bg-soft: #f6faf8;
  --radius: 14px;
  --shadow-sm: 0 2px 6px rgba(6, 78, 59, 0.06);
  --shadow-md: 0 10px 30px rgba(6, 78, 59, 0.10);
  --shadow-lg: 0 25px 60px rgba(6, 78, 59, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color .2s;
}
.nav-links a:hover { color: var(--brand); }

.lang-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .2s;
}
.lang-toggle:hover { border-color: var(--brand); color: var(--brand); }
.lang-toggle .active { color: var(--brand); }
.lang-toggle .lang-sep { margin: 0 4px; color: var(--line); }

/* Hero */
.hero {
  padding: 80px 0 60px;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(6,78,59,0.08), transparent 60%),
    radial-gradient(700px 400px at -10% 40%, rgba(11,107,82,0.06), transparent 60%),
    linear-gradient(180deg, #fff, var(--bg-soft));
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: var(--brand-50);
  color: var(--brand);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
}
.hero-copy h1 {
  font-size: clamp(38px, 5.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  font-weight: 800;
  color: var(--ink);
}
.hero-copy p {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 520px;
  margin: 0 0 32px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.badge {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(6,78,59,0.25);
}
.btn-primary:hover {
  background: var(--brand-600);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(6,78,59,0.32);
}
.btn-ghost {
  background: #fff;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}
.btn-ghost:hover {
  background: var(--brand-50);
}

/* Phone visuals */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 560px;
}
.phone-frame {
  width: 260px;
  border-radius: 36px;
  overflow: hidden;
  background: #000;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  transform: rotate(-4deg);
  transition: transform .4s;
  border: 1px solid rgba(0,0,0,0.1);
}
.phone-frame img {
  border-radius: 28px;
  width: 100%;
  display: block;
}
.phone-frame--back {
  position: absolute;
  transform: translate(110px, 40px) rotate(6deg);
  width: 220px;
  opacity: 0.95;
  z-index: -1;
}
.hero-visual:hover .phone-frame {
  transform: rotate(-2deg) scale(1.02);
}
.hero-visual:hover .phone-frame--back {
  transform: translate(118px, 36px) rotate(4deg) scale(1.02);
}

/* Section common */
section { padding: 88px 0; }
section h2 {
  font-size: clamp(30px, 3.6vw, 42px);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 800;
  line-height: 1.15;
}
.section-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 0 48px;
}

/* Features */
.features { background: #fff; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--brand-50);
  color: var(--brand);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.feature-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 15px;
}

/* Screens */
.screens { background: var(--bg-soft); }
.screen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.screen-grid figure {
  margin: 0;
  background: #000;
  border-radius: 22px;
  padding: 6px;
  box-shadow: var(--shadow-md);
  transition: transform .3s;
}
.screen-grid figure:hover { transform: translateY(-6px); }
.screen-grid img {
  border-radius: 18px;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  width: 100%;
}
.screen-grid figcaption {
  color: #fff;
  text-align: center;
  padding: 10px 0 6px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0.85;
}

/* Download */
.download { background: #fff; }
.download-box {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-600) 100%);
  color: #fff;
  border-radius: 24px;
  padding: 64px 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.download-box::before,
.download-box::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.download-box::before { width: 340px; height: 340px; top: -120px; right: -80px; }
.download-box::after  { width: 240px; height: 240px; bottom: -100px; left: -60px; }
.download-box h2 { color: #fff; position: relative; }
.download-box p {
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  position: relative;
  font-size: 17px;
}
.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  background: #0f1a17;
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.12);
  transition: all .2s;
  min-width: 200px;
}
.store-btn:hover:not(.store-btn--disabled) {
  background: #1a2623;
  transform: translateY(-2px);
}
.store-btn--disabled {
  opacity: 0.75;
  cursor: not-allowed;
}
.store-txt { display: flex; flex-direction: column; text-align: left; line-height: 1.2; }
.store-txt small { font-size: 11px; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; }
.store-txt strong { font-size: 16px; font-weight: 600; }

/* Contact */
.contact { background: var(--bg-soft); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.contact-list li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.contact-list li:last-child { border-bottom: 1px solid var(--line); }
.contact-list strong { color: var(--ink); font-weight: 600; }
.contact-list a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 500;
}
.contact-list a:hover { text-decoration: underline; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 18px;
  box-shadow: var(--shadow-sm);
}
.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(6,78,59,0.08);
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.contact-form .btn { justify-self: start; }

/* Footer */
.site-footer {
  background: #0b1513;
  color: #a8b7b2;
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.brand--footer span { color: #fff; }
.brand--footer { margin-bottom: 12px; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: #a8b7b2;
  text-decoration: none;
  font-size: 14px;
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }
.muted { color: #a8b7b2; font-size: 14px; margin: 0; }
.small { font-size: 13px; opacity: 0.7; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { min-height: 460px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .screen-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  section { padding: 64px 0; }
  .hero { padding: 56px 0 32px; }
  .feature-grid { grid-template-columns: 1fr; }
  .screen-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .download-box { padding: 44px 24px; }
  .contact-form { padding: 22px; }
  .phone-frame { width: 220px; }
  .phone-frame--back { width: 190px; transform: translate(90px, 30px) rotate(6deg); }
}