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

:root {
  --bg: #ffffff;
  --text-primary: #0d0d0d;
  --text-secondary: #2c2c2c;
  --text-muted: #9ca3af;
  --accent: #2c85db;
  --accent-dark: #1a6bbf;
  --accent-light: #4fd0ff;
  --border: #e5e7eb;
  --border-subtle: rgba(229, 231, 235, 0.6);
  --chip-bg: rgba(255, 255, 255, 0.9);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  background-color: var(--bg);
  background-image: radial-gradient(rgba(156, 163, 175, 0.5) 1px, transparent 0);
  background-size: 28px 28px;
  background-position: -14px -14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100dvh;
}

/* Radial fade overlay to soften dot grid near center */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.5) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
  z-index: 0;
}

/* ── MAIN ───────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  min-height: 90dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem 2rem;
  gap: 0;
}

/* Logo mark */
.logo-mark {
  margin-bottom: 2.5rem;
  animation: fadeUp 0.5s ease both;
}

.logo-mark img {
  height: clamp(1.75rem, 3vw, 2.5rem);
  display: block;
}

/* Headline */
h1 {
  font-size: clamp(2.75rem, 6.5vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  max-width: 820px;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.5s 0.08s ease both;
}

h1 .accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtitle */
.subtitle {
  font-size: clamp(1rem, 1.8vw, 1.175rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 3rem;
  animation: fadeUp 0.5s 0.16s ease both;
}

/* ── COMING SOON BLOCK ──────────────────────── */
.cs-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 3rem;
  animation: fadeUp 0.5s 0.24s ease both;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  background: var(--text-primary);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.75rem;
  border-radius: 999px;
  text-decoration: none;
}

.cta-btn:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
}

.cs-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── FEATURE CHIPS ──────────────────────────── */
.features {
  margin-top: 5rem;
  width: 100%;
  max-width: 720px;
  animation: fadeUp 0.5s 0.4s ease both;
}

.features-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  justify-content: center;
}

.chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.chip-icon {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── SCREENSHOTS ────────────────────────────── */
.screenshots {
  position: relative;
  z-index: 1;
  padding-top: 1rem;
  text-align: center;
  animation: fadeUp 0.5s 0.56s ease both;
}

.screenshots-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.screenshots-grid {
  display: flex;
  justify-content: center;
  padding: 0.5rem 1.5rem 1.5rem;
}

.screenshot {
  width: min(760px, 90vw);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.screenshot:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.13);
  transform: translateY(-3px);
}

.screenshot img {
  width: 100%;
  display: block;
}

/* ── FOOTER ─────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  padding: 1.75rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

footer p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

footer a:hover {
  color: var(--accent);
}

/* ── ANIMATIONS ─────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0.1;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.75);
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 640px) {
  h1 {
    letter-spacing: -0.03em;
  }
}