/* =========================================================
   ArgoCD Mobile — site styles
   Plain CSS, no build tools. Tokens up top, then layout.
   ========================================================= */

/* ---------- Tokens: dark (default) ---------- */
:root {
  /* Brand */
  --orange: #EF7B4D;
  --orange-soft: #f4a07c;
  --orange-deep: #d8633a;
  --blue: #0DADEA;
  --blue-soft: #5cc6f0;

  /* Neutrals — warm-tinted */
  --bg: oklch(0.17 0.006 60);
  --bg-elev: oklch(0.21 0.007 60);
  --bg-elev-2: oklch(0.24 0.008 60);
  --surface: oklch(0.20 0.007 60);
  --line: oklch(0.30 0.009 60 / 0.7);
  --line-soft: oklch(0.30 0.009 60 / 0.35);
  --fg: oklch(0.97 0.005 80);
  --fg-muted: oklch(0.74 0.008 70);
  --fg-dim: oklch(0.58 0.008 70);

  /* Status */
  --green: oklch(0.78 0.16 150);
  --yellow: oklch(0.84 0.14 85);
  --red: oklch(0.70 0.20 25);

  /* Accent system (overridden by [data-accent]) */
  --accent: var(--orange);
  --accent-soft: var(--orange-soft);
  --accent-deep: var(--orange-deep);
  --accent-2: var(--blue);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Sizing */
  --container: 1180px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Shadows (dark) */
  --shadow-sm: 0 1px 0 rgba(255,255,255,0.04) inset, 0 1px 2px rgba(0,0,0,0.4);
  --shadow:    0 1px 0 rgba(255,255,255,0.05) inset, 0 10px 30px -10px rgba(0,0,0,0.6);
  --shadow-lg: 0 1px 0 rgba(255,255,255,0.06) inset, 0 30px 80px -20px rgba(0,0,0,0.7);

  --grid-color: oklch(0.30 0.009 60 / 0.18);
}

/* ---------- Tokens: light ---------- */
[data-theme="light"] {
  --bg: oklch(0.985 0.003 80);
  --bg-elev: oklch(1 0 0);
  --bg-elev-2: oklch(0.97 0.004 80);
  --surface: oklch(1 0 0);
  --line: oklch(0.86 0.005 80);
  --line-soft: oklch(0.92 0.004 80);
  --fg: oklch(0.20 0.008 60);
  --fg-muted: oklch(0.42 0.008 70);
  --fg-dim: oklch(0.55 0.008 70);

  --shadow-sm: 0 1px 2px rgba(20,15,10,0.06);
  --shadow:    0 12px 28px -16px rgba(20,15,10,0.18), 0 1px 0 rgba(20,15,10,0.04);
  --shadow-lg: 0 30px 80px -28px rgba(20,15,10,0.22);

  --grid-color: oklch(0.86 0.005 80 / 0.6);
}

/* Accent variants */
[data-accent="blue"] {
  --accent: var(--blue);
  --accent-soft: var(--blue-soft);
  --accent-deep: #0a8bbd;
  --accent-2: var(--orange);
}
[data-accent="balanced"] {
  --accent: var(--orange);
  --accent-2: var(--blue);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

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

::selection { background: var(--accent); color: #fff; }

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

.mono {
  font-family: var(--font-mono);
  font-feature-settings: "ss01";
  letter-spacing: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  background: color-mix(in oklch, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line-soft);
}

.site-header .inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 0.98rem;
}

.brand .mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.brand .mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  color: var(--fg-muted);
  font-size: 0.88rem;
  padding: 8px 12px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav a:hover { color: var(--fg); background: var(--bg-elev); }
.nav a.active { color: var(--fg); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: transparent;
  border: 1px solid var(--line-soft);
  color: var(--fg-muted);
  cursor: pointer;
  transition: all .15s;
}
.icon-btn:hover { color: var(--fg); border-color: var(--line); background: var(--bg-elev); }
.icon-btn svg { width: 16px; height: 16px; }

[data-theme="light"] .moon { display: none; }
[data-theme="light"] .sun  { display: block; }
.sun  { display: none; }
.moon { display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .15s, background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 8px 20px -8px color-mix(in oklch, var(--accent) 60%, transparent);
}
.btn-primary:hover { background: var(--accent-deep); }

.btn-secondary {
  background: var(--bg-elev);
  color: var(--fg);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--bg-elev-2); }

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
}
.btn-ghost:hover { color: var(--fg); background: var(--bg-elev); }

/* ---------- Pills / chips ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  color: var(--fg-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}
.pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 25%, transparent);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    color-mix(in oklch, var(--accent) 24%, transparent) 0%,
    transparent 60%);
  pointer-events: none;
  filter: blur(20px);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.8vw, 3.6rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 22px 0 20px;
  text-wrap: balance;
}
.hero h1 .accent {
  color: var(--accent);
  font-style: italic;
  font-weight: 500;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 32px;
  text-wrap: pretty;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.appstore-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 12px;
  background: var(--bg-elev);
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--fg-muted);
  font-size: 0.82rem;
  transition: all .15s;
}
.appstore-link:hover { color: var(--fg); border-color: var(--accent); }
.appstore-link .apple {
  width: 18px; height: 18px; opacity: 0.7;
}
.appstore-link .label-tiny {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  display: block;
  line-height: 1;
  margin-bottom: 3px;
}

.hero-meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  color: var(--fg-dim);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta svg { width: 14px; height: 14px; color: var(--accent); }

/* ---------- Phone mockup ---------- */
.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
}

.phone {
  position: relative;
  width: 300px;
  height: 612px;
  border-radius: 46px;
  background: linear-gradient(160deg, oklch(0.32 0.005 60), oklch(0.18 0.005 60));
  padding: 12px;
  box-shadow:
    0 0 0 1.5px oklch(0.40 0.005 60),
    0 60px 100px -30px rgba(0,0,0,0.6),
    0 30px 60px -40px color-mix(in oklch, var(--accent) 40%, transparent);
  transform: rotate(-4deg);
}
.phone::before {
  content: "";
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 28px;
  background: #000;
  border-radius: 16px;
  z-index: 3;
}
.phone .screen {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: var(--bg-elev-2);
  position: relative;
}

/* Placeholder phone screen */
.phone-screen-placeholder {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(
      45deg,
      oklch(0.24 0.008 60),
      oklch(0.24 0.008 60) 12px,
      oklch(0.22 0.007 60) 12px,
      oklch(0.22 0.007 60) 24px
    );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  padding: 24px;
}
.phone-screen-placeholder b {
  color: var(--fg-muted);
  font-weight: 500;
  font-size: 0.85rem;
}
.phone-screen-placeholder .hint {
  font-size: 0.7rem;
  opacity: 0.7;
  line-height: 1.5;
}

/* Floating UI cards next to phone */
.float-card {
  position: absolute;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(8px);
}
.float-card .fc-icon {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.float-card .fc-title { font-weight: 500; color: var(--fg); line-height: 1.2; }
.float-card .fc-sub { font-size: 0.72rem; color: var(--fg-dim); font-family: var(--font-mono); margin-top: 2px; }

.float-1 {
  top: 12%;
  left: -8%;
  animation: float 6s ease-in-out infinite;
}
.float-2 {
  bottom: 18%;
  right: -10%;
  animation: float 7s ease-in-out infinite -2s;
}
.float-3 {
  top: 50%;
  right: -4%;
  animation: float 8s ease-in-out infinite -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
  .float-1, .float-2, .float-3 { animation: none; }
}

/* ---------- Section heading shared ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 56px;
  max-width: 720px;
}
.section-head.center {
  align-items: center;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}
.section-head p {
  color: var(--fg-muted);
  font-size: 1.02rem;
  max-width: 600px;
  line-height: 1.6;
}

/* ---------- Features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature {
  background: var(--bg-elev);
  padding: 28px 26px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background .2s;
  position: relative;
}
.feature:hover { background: var(--bg-elev-2); }

.feature-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: color-mix(in oklch, var(--accent) 14%, var(--bg-elev-2));
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  color: var(--accent);
  display: grid;
  place-items: center;
}
.feature-icon svg { width: 18px; height: 18px; }

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.feature p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ---------- Open source callout ---------- */
.oss-band {
  position: relative;
  padding: 80px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.oss-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 100% at 90% 50%, color-mix(in oklch, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(ellipse 60% 80% at 10% 50%, color-mix(in oklch, var(--accent-2) 10%, transparent), transparent 70%);
  pointer-events: none;
}

.oss-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}
.oss-inner h2 {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 10px;
}
.oss-inner p {
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.6;
}
.oss-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 22px;
  max-width: 460px;
}
.oss-stat {
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 14px 16px;
}
.oss-stat .num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.oss-stat .lbl {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.gh-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 280px;
  box-shadow: var(--shadow);
}
.gh-card .gh-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.gh-card .repo-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg);
}
.gh-card .repo-name .org { color: var(--fg-dim); }
.gh-card .star-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  width: 100%;
  justify-content: center;
  transition: all .15s;
}
.gh-card .star-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.gh-card .star-btn svg { width: 14px; height: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 50px 0 40px;
  border-top: 1px solid var(--line-soft);
  background: var(--bg);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand p {
  margin-top: 14px;
  color: var(--fg-dim);
  font-size: 0.86rem;
  max-width: 280px;
  line-height: 1.6;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  margin-bottom: 14px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  color: var(--fg-muted);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color .15s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--line-soft);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--fg-dim);
  font-size: 0.82rem;
}
.footer-bottom .mono { color: var(--fg-dim); }

/* ---------- Page hero (privacy/support) ---------- */
.page-hero {
  padding: 80px 0 40px;
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero h1 {
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 16px 0 12px;
}
.page-hero .lead {
  color: var(--fg-muted);
  max-width: 640px;
  font-size: 1.02rem;
  line-height: 1.6;
}

/* ---------- Privacy page ---------- */
.privacy-wrap {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  padding: 60px 0 100px;
  align-items: start;
}
.toc {
  position: sticky;
  top: 88px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.toc h5 {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg-dim);
  margin-bottom: 14px;
}
.toc a {
  display: block;
  color: var(--fg-muted);
  padding: 6px 0;
  border-left: 2px solid var(--line-soft);
  padding-left: 14px;
  margin-left: -2px;
  transition: all .15s;
}
.toc a:hover { color: var(--fg); border-color: var(--fg-muted); }

.summary-card {
  background: linear-gradient(180deg,
    color-mix(in oklch, var(--accent) 7%, var(--bg-elev)),
    var(--bg-elev));
  border: 1px solid color-mix(in oklch, var(--accent) 30%, var(--line));
  border-radius: var(--radius-lg);
  padding: 32px 32px 28px;
  margin-bottom: 56px;
  position: relative;
  overflow: hidden;
}
.summary-card::before {
  content: "";
  position: absolute;
  top: -40%; right: -20%;
  width: 320px; height: 320px;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 25%, transparent), transparent 70%);
  pointer-events: none;
}
.summary-card .summary-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 14px;
}
.summary-card h2 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  position: relative;
}
.summary-card .summary-body {
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.6;
  position: relative;
}
.summary-card .checklist {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  position: relative;
}
.summary-card .checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--fg);
  list-style: none;
}
.summary-card .check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.summary-card .check svg { width: 11px; height: 11px; }

.prose h2 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 40px 0 14px;
  scroll-margin-top: 100px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 22px 0 8px;
}
.prose p, .prose li {
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.prose ul, .prose ol {
  margin-left: 22px;
  margin-bottom: 16px;
}
.prose li::marker { color: var(--fg-dim); }
.prose a { color: var(--accent); border-bottom: 1px solid color-mix(in oklch, var(--accent) 50%, transparent); }
.prose a:hover { border-bottom-color: var(--accent); }
.prose strong { color: var(--fg); font-weight: 600; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--fg);
}
.prose .updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  margin-top: 40px;
}

/* ---------- Support page ---------- */
.support-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-top: 56px;
}
.support-card {
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color .15s, transform .15s;
}
.support-card:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}
.support-card .sc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: color-mix(in oklch, var(--accent) 14%, var(--bg-elev-2));
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  color: var(--accent);
  display: grid;
  place-items: center;
}
.support-card .sc-icon svg { width: 22px; height: 22px; }
.support-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.support-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.55;
  flex-grow: 1;
}
.support-card .sc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-mono);
}
.support-card .sc-link svg { width: 14px; height: 14px; transition: transform .15s; }
.support-card:hover .sc-link svg { transform: translate(2px, -2px); }

/* ---------- FAQ accordion ---------- */
.faq-section {
  padding: 80px 0 100px;
}
.faq-list {
  border-top: 1px solid var(--line-soft);
}
.faq-item {
  border-bottom: 1px solid var(--line-soft);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color .15s;
}
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .faq-toggle {
  width: 28px; height: 28px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  color: var(--fg-muted);
  transition: transform .2s;
}
.faq-item[open] .faq-toggle { transform: rotate(45deg); color: var(--accent); border-color: var(--accent); }
.faq-item .faq-toggle svg { width: 14px; height: 14px; }
.faq-item .faq-body {
  padding: 0 0 24px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 720px;
}
.faq-item .faq-body p { margin-bottom: 10px; }
.faq-item .faq-body ol { margin: 8px 0 12px 22px; }
.faq-item .faq-body li { margin-bottom: 6px; color: var(--fg-muted); font-size: 0.95rem; line-height: 1.6; }
.faq-item .faq-body li::marker { color: var(--fg-dim); }
pre.code-block {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 14px 0 16px;
  overflow-x: auto;
  color: var(--fg);
  white-space: pre;
}
pre.code-block code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
.faq-item .faq-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--fg);
}

/* ---------- Steps ("How it works" 3-up) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- Mobile nav ---------- */
.menu-btn { display: none; }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px 16px;
  border-top: 1px solid var(--line-soft);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--fg-muted);
  font-size: 0.95rem;
  padding: 10px 12px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.mobile-nav a:hover { color: var(--fg); background: var(--bg-elev); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 60px 0 40px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .phone-stage { min-height: 540px; }
  .phone { transform: rotate(-3deg) scale(0.92); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .float-1, .float-2, .float-3 { display: none; }
  .oss-inner { grid-template-columns: 1fr; }
  .oss-band { padding: 60px 0; }
  .privacy-wrap { grid-template-columns: 1fr; gap: 28px; }
  .toc { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .support-cards { grid-template-columns: 1fr; }
  .summary-card .checklist { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .faq-section { padding: 60px 0 80px; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .site-header .inner { padding: 12px 20px; }
  .nav { display: none; }
  .menu-btn { display: grid; }
  .hero { padding: 40px 0 24px; }
  .phone-stage { min-height: 380px; }
  .phone { transform: rotate(-2deg) scale(0.86); }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .float-1, .float-2, .float-3 { display: none; }
  .oss-stats { grid-template-columns: 1fr 1fr; }
  .oss-band { padding: 50px 0; }
  .section { padding: 50px 0; }
  .faq-section { padding: 50px 0 60px; }
  .footer-inner { grid-template-columns: 1fr; }
  .page-hero { padding: 50px 0 28px; }
  .support-cards { gap: 16px; }
  pre.code-block { font-size: 0.76rem; padding: 14px 16px; }
}