/* =========================================================================
   InkLab — base tokens and landing page styles.
   Palette mirrors the app: black canvas, white ink, no accent color.
   ========================================================================= */

@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/SpaceGrotesk-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #000000;
  --surface: rgba(0, 0, 0, 0.82);
  --surface-strong: #0a0a0a;
  --ink: #FFFFFF;
  --ink-70: rgba(255, 255, 255, 0.72);
  --ink-50: rgba(255, 255, 255, 0.5);
  --ink-35: rgba(255, 255, 255, 0.35);
  --accent: #FFFFFF;
  --frost: rgba(255, 255, 255, 0.06);
  --frost-strong: rgba(255, 255, 255, 0.12);
  --display: "Space Grotesk", -apple-system, "Segoe UI", Roboto, sans-serif;
  --body: "Space Grotesk", -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(0.25, 0.8, 0.35, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}

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

/* ------------------------------ Landing ------------------------------- */
/* landing main: fill viewport height so the footer pins to the bottom */
.page-main { flex: 1 0 auto; }

.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 24px 40px;
  text-align: center;
}
.hero-wordmark {
  height: 88px;
  width: auto;
  max-width: 100%;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 6vw, 56px);
  line-height: 1.08;
  margin: 28px 0 12px;
}
.hero .tagline {
  max-width: 520px;
  margin: 0 auto 32px;
  color: var(--ink-70);
  font-size: 18px;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 30px;
  border-radius: 999px;
  background: var(--accent);
  color: #000000;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.25);
}

.features {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 24px 48px;
  display: grid;
  gap: 18px;
}
@media (min-width: 720px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}
.feature {
  padding: 24px 22px;
  border-radius: 18px;
  background: var(--frost);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
}
.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-70);
}

.value-prop {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 8px;
  text-align: center;
}
.value-prop h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.12;
  margin: 0 0 12px;
}
.value-prop .tagline {
  max-width: 560px;
  margin: 0 auto;
  color: var(--ink-70);
  font-size: 17px;
}

/* ---------------------------- Screenshots ----------------------------- */
.screens {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 56px;
}
.screens-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px 24px 18px;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}
@media (min-width: 900px) {
  .screens-row { justify-content: center; }
}
.screens-row img {
  width: 260px;
  height: auto;
  flex: 0 0 auto;
  border-radius: 26px;
  border: 1px solid var(--frost-strong);
  scroll-snap-align: center;
  background: var(--surface-strong);
}
.screens-row::-webkit-scrollbar { height: 6px; }
.screens-row::-webkit-scrollbar-thumb {
  background: var(--frost-strong);
  border-radius: 3px;
}

.honest-note {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 24px 72px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-50);
}