/* ReuseCam product site — brand tokens mirror the app (docs/brand-guidelines.md):
   SignalLime #C6F24A · Ink #14161A · Canvas #F2F1EA · Space Grotesk / JetBrains Mono */

@font-face {
  font-family: "Space Grotesk";
  src: url("/assets/fonts/space_grotesk.ttf") format("truetype");
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains_mono.ttf") format("truetype");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --lime: #c6f24a;
  --lime-deep: #bfec3f;
  --ink: #14161a;
  --ink-panel: #101216;
  --ink-deep: #0b0c10;
  --canvas: #f2f1ea;
  --card: #ffffff;
  --border: #e6e4da;
  --text: #14161a;
  --text-2: #5b5f67;
  --text-3: #6b6f78;
  --faint: #8a8e96;
  --on-dark: #ffffff;
  --on-dark-muted: #a9adb4;
  --on-dark-faint: #8b9298;
  --border-dark: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.shell {
  width: min(100% - 44px, 1080px);
  margin-inline: auto;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(242, 241, 234, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--lime);
  display: grid;
  place-items: center;
}

.brand-mark svg {
  width: 19px;
  height: 19px;
  stroke: var(--ink);
}

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 22px;
}

.site-nav a {
  color: var(--text-3);
  text-decoration: none;
  font-size: 14.5px;
}

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

@media (max-width: 620px) {
  .site-nav a:not(.nav-privacy) {
    display: none;
  }
}

/* ---------- hero ---------- */

.hero {
  background:
    radial-gradient(circle at 84% -10%, rgba(198, 242, 74, 0.16), transparent 30rem),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--on-dark);
  padding: 84px 0 92px;
  position: relative;
  overflow: hidden;
}

.hero-rings {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 420px;
  height: 420px;
  pointer-events: none;
}

.hero-rings circle {
  fill: none;
  stroke: var(--lime);
}

.hero-inner {
  position: relative;
  max-width: 640px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  margin-bottom: 26px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.hero p {
  margin: 0 0 34px;
  color: var(--on-dark-muted);
  font-size: 18px;
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 13px 26px;
  font-size: 15.5px;
  font-weight: 600;
  text-decoration: none;
}

.btn-lime {
  background: linear-gradient(160deg, #cef45c, var(--lime-deep));
  color: var(--ink);
}

.btn-ghost {
  color: var(--on-dark);
  border: 1px solid var(--border-dark);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-note {
  width: 100%;
  color: var(--on-dark-faint);
  font-size: 13.5px;
  margin-top: 4px;
}

/* ---------- sections ---------- */

section {
  padding: 76px 0;
}

.section-head {
  max-width: 560px;
  margin-bottom: 44px;
}

.section-head .mono {
  color: var(--text-3);
}

.section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* features */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #eef0e6;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--ink);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
}

.feature p {
  margin: 0;
  color: var(--text-2);
  font-size: 14.5px;
}

/* how it works */

.how {
  background: var(--ink);
  color: var(--on-dark);
}

.how .section-head .mono {
  color: var(--lime);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  counter-reset: step;
}

.step {
  background: var(--ink-panel);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 26px 24px;
}

.step .mono {
  color: var(--lime);
}

.step h3 {
  margin: 14px 0 8px;
  font-size: 17.5px;
}

.step p {
  margin: 0;
  color: var(--on-dark-muted);
  font-size: 14.5px;
}

/* privacy */

.privacy-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 760px) {
  .privacy-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }
}

.privacy-card h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.5vw, 30px);
  line-height: 1.15;
}

.privacy-card > div > p {
  color: var(--text-2);
  margin: 0 0 22px;
}

.privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.privacy-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14.5px;
  color: var(--text-2);
}

.privacy-list svg {
  flex: none;
  width: 18px;
  height: 18px;
  stroke: var(--ink);
  margin-top: 2px;
}

.privacy-list strong {
  color: var(--text);
}

.text-link {
  color: var(--text);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0 40px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
  color: var(--faint);
  font-size: 13.5px;
}

.footer-inner a {
  color: var(--text-3);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer-spacer {
  flex: 1;
}