/* css/style.css */
:root {
  --bg: #0f1114;
  --bg-alt: #171a1f;
  --panel: #1d2128;
  --text: #e9edf2;
  --muted: #b3bcc8;
  --line: #2c333d;
  --accent: #d9dde3;
  --max-width: 1160px;
  --radius: 14px;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: var(--text);
  text-decoration: none;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 17, 20, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo {
  height: 36px;
  width: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-main {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--text);
}

.nav-shop {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
}

.hero {
  padding: 5rem 0 4rem;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-label {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  color: var(--muted);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 1.05;
  max-width: 12ch;
}

.hero-text {
  max-width: 60ch;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn-primary {
  background: var(--accent);
  color: #101215;
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-card .card h2,
.card h3 {
  margin-top: 0;
}

.feature-list,
.check-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.tagline {
  margin-top: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.section {
  padding: 4.5rem 0;
}

.section.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin-top: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
}

.two-column {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.section-cta {
  margin-top: 1.5rem;
}

.placeholder-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.platform-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.platform-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  font-weight: 600;
}

.platform-note {
  margin-top: 1rem;
  color: var(--muted);
}

.contact-card p {
  margin: 0 0 0.85rem;
}

.contact-card a {
  text-decoration: underline;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.5rem;
  align-items: start;
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.footer-note {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .header-inner,
  .hero-grid,
  .two-column,
  .footer-inner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .header-inner {
    gap: 1rem;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .grid-3,
  .platform-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 640px) {
  .site-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .site-nav a {
    padding: 0.25rem 0;
  }

  .hero h1 {
    max-width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}