/* Myriad Frame — static landing/marketing site.
 * Matches the app's dark theme (src/renderer/src/styles/theme.css).
 */

:root {
  --bg: #0f1115;
  --bg-elevated: #161a21;
  --bg-panel: #1b2029;
  --bg-hover: #232a36;
  --border: #2a3140;
  --text: #e6e9ef;
  --text-dim: #9aa3b2;
  --text-faint: #6b7484;
  --accent: #5b8cff;
  --accent-hover: #719aff;
  --accent-soft: rgba(91, 140, 255, 0.16);
  --danger: #ff6b6b;
  --ok: #43d17c;
  --warn: #ffb454;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --maxw: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- Nav ---------- */

nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  background: rgba(15, 17, 21, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--text);
}
nav .brand:hover {
  text-decoration: none;
}
nav .brand img {
  height: 30px;
  width: auto;
}
nav .brand .v {
  font-size: 12px;
  color: var(--text-faint);
  font-weight: 500;
}
nav .links {
  display: flex;
  align-items: center;
  gap: 20px;
}
nav .links a {
  color: var(--text-dim);
  font-size: 14px;
}
nav .links a:hover {
  color: var(--text);
  text-decoration: none;
}
nav .btn-gh {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--text);
}
nav .btn-gh:hover {
  border-color: #3a4353;
  text-decoration: none;
}

@media (max-width: 720px) {
  nav .links a.hide-sm {
    display: none;
  }
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}
h2 {
  font-size: 30px;
  margin: 0 0 12px;
}
h3 {
  font-size: 19px;
}
p.lead {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 62ch;
}
.center {
  text-align: center;
}
.center .lead {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero .logo {
  width: 220px;
  margin: 0 auto 24px;
}
.hero h1 {
  font-size: 48px;
  margin: 0 0 16px;
  background: linear-gradient(120deg, #e6e9ef 0%, #719aff 60%, #5b8cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  margin-left: auto;
  margin-right: auto;
}
.hero .sub {
  color: var(--text-faint);
  font-size: 14px;
  margin-top: 8px;
}
.ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: stretch;
  margin-top: 32px;
}
button, .btn {
  font: inherit;
  color: var(--text);
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
button:hover, .btn:hover {
  border-color: #3a4353;
  text-decoration: none;
}
button:active, .btn:active {
  transform: translateY(1px);
}
button.primary, .btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
button.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn.bmc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 195px;
  min-height: 48px;
  padding: 0;
  background-color: #fff;
  background: url("assets/bmc-brand-logo.png") no-repeat center center / cover #fff;
  background-size: contain;
  align-self: stretch;
  border-radius: var(--radius-sm);
}
.btn.bmc:hover {
  border-color: #3a4353;
}

/* Stack the CTA buttons on small screens so the Buy Me a Coffee button
   never collapses or gets hidden. */
@media (max-width: 560px) {
  .ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .ctas .btn.bmc {
    width: 100%;
  }
}

/* ---------- Feature grid ---------- */

.grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: #3a4353;
  transform: translateY(-2px);
}
.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 15px;
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  gap: 16px;
  margin-top: 36px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}
.step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.step .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}
.step h3 {
  margin: 8px 0 6px;
  font-size: 16px;
}
.step p {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0;
}

/* ---------- Screenshots ---------- */

.gallery {
  display: grid;
  gap: 14px;
  margin-top: 36px;
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 640px) {
  .gallery { grid-template-columns: 1fr; }
}
.gallery figure {
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.gallery figcaption {
  font-size: 13px;
  color: var(--text-dim);
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}

/* ---------- Video ---------- */

.video-wrap {
  margin-top: 36px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.video-wrap video {
  width: 100%;
  display: block;
}

/* ---------- Providers ---------- */

.providers {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 500;
}
.chip:hover {
  border-color: #3a4353;
  text-decoration: none;
}
.providers .chip.runtime {
  background: linear-gradient(135deg, #2b3a5a, #1e2a42);
  border-color: #3a5a8a;
  color: #e8f0ff;
}
.provider-groups {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.provider-group {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.provider-group summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--text);
  user-select: none;
}
.provider-group summary::-webkit-details-marker {
  display: none;
}
.provider-group summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 18px;
  height: 18px;
  background-color: currentColor;
  -webkit-mask: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
  mask: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
  transition: transform 0.2s ease;
}
.provider-group summary:hover {
  background: rgba(255, 255, 255, 0.03);
}
.provider-group[open] summary::after {
  transform: rotate(90deg);
}
.provider-group-title {
  letter-spacing: 0.02em;
}
.provider-group-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--bg-elevated, #8890a0);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
}
.provider-group .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 4px 18px 18px;
}
.provider-group .chip {
  padding: 8px 14px;
  font-size: 14px;
}
@media (max-width: 640px) {
  .provider-group summary {
    padding: 12px 14px;
  }
  .provider-group .chips {
    padding: 4px 14px 14px;
  }
}

/* ---------- Install ---------- */

pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 14px;
  color: var(--text);
}
pre .cmt {
  color: var(--text-faint);
}

/* ---------- Footer ---------- */

footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 14px;
}
footer .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
footer .links {
  display: flex;
  gap: 18px;
}
footer .links a {
  color: var(--text-dim);
}
footer .bmc {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
footer .bmc img {
  height: 26px;
  width: auto;
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}