:root {
  --bg-main: #121212;
  --accent-red: #ff0000;
  --accent-green: #34c759;
  --accent-orange: #fe9501;
  --text-main: #f2f2f2;
  --text-muted: #b7b7b7;
  --card-bg: #1b1b1b;
  --card-border: #2b2b2b;
  --max-width: 1120px;
  --radius: 18px;
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.35);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: radial-gradient(#ffffff 0.4px, transparent 0.4px);
  background-size: 4px 4px;
}

.decor-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.24;
}

.container {
  width: min(var(--max-width), 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: rgba(18, 18, 18, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 20;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.logo-mark {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  background: linear-gradient(
    135deg,
    var(--accent-red),
    var(--accent-orange),
    var(--accent-green)
  );
  box-shadow: 0 0 14px rgba(254, 149, 1, 0.65);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: 0.2s ease;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--card-border);
  color: var(--text-main);
}

.hero {
  padding: 80px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.86rem;
}

h1,
h2,
h3 {
  margin: 0 0 14px;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  margin-bottom: 18px;
}

.hero p {
  margin: 0 0 18px;
  color: #d7d7d7;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 11px 16px;
  border: 1px solid transparent;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--accent-red),
    var(--accent-orange),
    var(--accent-green)
  );
  color: #121212;
}

.btn-secondary {
  border-color: var(--card-border);
  color: var(--text-main);
}

.wave-card {
  position: relative;
  background: linear-gradient(175deg, #1d1d1d, #171717);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.wave-svg {
  width: 100%;
  height: 140px;
}

.wave-note {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.section {
  padding: 42px 0;
}

.section-head {
  margin-bottom: 22px;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.pillar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
}

.pillar .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.tag-red {
  background: rgba(255, 0, 0, 0.15);
  color: #ff7575;
}

.tag-green {
  background: rgba(52, 199, 89, 0.15);
  color: #79e49b;
}

.tag-orange {
  background: rgba(254, 149, 1, 0.15);
  color: #ffb14e;
}

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.screen-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 12px;
}

.phone-frame {
  border-radius: 14px;
  border: 1px solid #303030;
  overflow: hidden;
  background: #0f0f0f;
  aspect-ratio: 9 / 19.5;
}

.screen-caption {
  margin: 10px 4px 4px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.keywords span {
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.legal-card,
.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}

.legal-card h1,
.contact-card h1 {
  margin-bottom: 8px;
}

.muted {
  color: var(--text-muted);
}

.meta-line {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.legal-sections {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.legal-sections section {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 14px;
  padding: 16px;
}

.legal-sections h2 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
}

.contact-item {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid #2a2a2a;
  background: #1a1a1a;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.84rem;
}

.contact-value {
  font-weight: 600;
  margin-top: 4px;
}

.feedback-form {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.feedback-form input,
.feedback-form textarea {
  background: #131313;
  border: 1px solid #2d2d2d;
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text-main);
  font: inherit;
}

.feedback-form textarea {
  resize: vertical;
  min-height: 110px;
}

.site-footer {
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.foot-row {
  padding: 16px 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 920px) {
  .hero-grid,
  .pillars,
  .screens-grid,
  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }
}