/* ============================================================
   agentic — marketing site
   Dark-mode-first. Tokens mirror remotion/src/theme.ts
   ============================================================ */
:root {
  --bg: #0a0a0b;
  --bg-elev: #111114;
  --panel: #131317;
  --border: #26262c;
  --border-soft: #1c1c21;
  --text: #e7e7ea;
  --dim: #9a9aa3;
  --faint: #6a6a73;
  --accent: #7c7cff;
  --accent-soft: #a9a9ff;
  --green: #4ade80;
  --cyan: #5eead4;
  --amber: #fbbf24;
  --red: #f87171;
  --mono: "JetBrains Mono", "Geist Mono", ui-monospace, SFMono-Regular, Menlo,
    monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    sans-serif;
  --maxw: 1120px;
  --radius: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

code,
.mono {
  font-family: var(--mono);
}

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

section {
  padding: 96px 0;
}
section + section {
  border-top: 1px solid var(--border-soft);
}

h2 {
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 620;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.section-lead {
  color: var(--dim);
  font-size: 17px;
  max-width: 640px;
  margin-top: 12px;
}

/* ---------- nav ---------- */
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 11, 0.8);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
}
.brand .chev {
  color: var(--accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  color: var(--dim);
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links .gh {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}
.nav-links .gh:hover {
  border-color: var(--accent);
}
@media (max-width: 640px) {
  .nav-links .hide-sm {
    display: none;
  }
}

/* ---------- hero ---------- */
.hero {
  padding: 76px 0 64px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(34px, 5.6vw, 58px);
  font-weight: 640;
  letter-spacing: -0.025em;
  line-height: 1.08;
  max-width: 17ch;
  margin: 0 auto;
  color: var(--text);
}
.hero p.sub {
  margin: 20px auto 0;
  max-width: 58ch;
  color: var(--dim);
  font-size: clamp(16px, 2vw, 18px);
}
.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* install copy-block */
.install {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 15px;
  color: var(--text);
  max-width: 100%;
}
.install .dollar {
  color: var(--accent);
}
.install code {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.install button {
  flex-shrink: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--dim);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--mono);
  transition: color 0.15s, border-color 0.15s;
}
.install button:hover {
  color: var(--text);
  border-color: var(--accent);
}
.btn-secondary {
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--dim);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--mono);
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* hero video / terminal */
.hero-media {
  margin: 48px auto 0;
  max-width: 920px;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1280 / 720;
  background: var(--bg-elev);
}
.hero-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* CSS terminal fallback — only shown if the video actually fails to load */
.term-fallback {
  position: absolute;
  inset: 0;
  padding: 30px 36px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--dim);
  background: var(--bg-elev);
  display: none;
}
.hero-media.video-failed .term-fallback {
  display: block;
}
.hero-media.video-failed video {
  display: none;
}
/* Static-image fallback (used where there's no CSS-terminal animation to fall
   back to, e.g. the demo section) — same failed-state trigger as above. */
.media-fallback {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media.video-failed .media-fallback {
  display: block;
}
.term-fallback .l {
  line-height: 2.1;
  opacity: 0;
  animation: line-in 0.4s ease forwards;
}
.term-fallback .l:nth-child(1) {
  animation-delay: 0.1s;
}
.term-fallback .l:nth-child(2) {
  animation-delay: 0.7s;
}
.term-fallback .l:nth-child(3) {
  animation-delay: 1.1s;
}
.term-fallback .l:nth-child(4) {
  animation-delay: 1.5s;
}
@keyframes line-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.term-fallback .p {
  color: var(--accent);
}
.term-fallback .ok {
  color: var(--green);
}
.term-fallback .cy {
  color: var(--cyan);
}
.term-fallback .caret {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
  transform: translateY(2px);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ---------- feature grid ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 860px) {
  .features {
    grid-template-columns: 1fr;
  }
}
.card {
  background: var(--panel);
  padding: 26px;
}
.card .idx {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 13px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.card p {
  color: var(--dim);
  font-size: 14.5px;
}
.card code {
  color: var(--accent-soft);
  font-size: 13.5px;
}

/* ---------- how it works ---------- */
.flow {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px) {
  .flow {
    grid-template-columns: 1fr;
  }
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.step {
  display: flex;
  gap: 16px;
}
.step .n {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--accent-soft);
  font-family: var(--mono);
  font-size: 13px;
  display: grid;
  place-items: center;
}
.step h4 {
  font-size: 15px;
  margin-bottom: 3px;
}
.step p {
  color: var(--dim);
  font-size: 14.5px;
}
.step code {
  color: var(--accent-soft);
}

/* code block */
.codeblock {
  background: #0d0d10;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
}
.codeblock .bar {
  display: flex;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: #0a0a0d;
}
.codeblock .bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.codeblock pre {
  padding: 18px 20px;
  overflow-x: auto;
  line-height: 1.85;
  color: var(--dim);
}
.codeblock .c-cmd {
  color: var(--text);
}
.codeblock .c-p {
  color: var(--accent);
}
.codeblock .c-str {
  color: var(--cyan);
}
.codeblock .c-com {
  color: var(--faint);
}
.codeblock .c-ok {
  color: var(--green);
}

/* ---------- comparison ---------- */
.cmp {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.cmp table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.cmp th,
.cmp td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
.cmp th {
  color: var(--faint);
  font-weight: 500;
  font-size: 12px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cmp td:first-child {
  color: var(--dim);
}
.cmp tr:last-child td {
  border-bottom: none;
}
.cmp .yes {
  color: var(--green);
  font-family: var(--mono);
  font-size: 13.5px;
}
.cmp .no {
  color: var(--faint);
}
.cmp .col-a {
  color: var(--accent-soft);
  font-family: var(--mono);
}

/* ---------- competitive landscape ---------- */
.landscape {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}
.landscape table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.landscape th,
.landscape td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border-soft);
}
.landscape th {
  color: var(--faint);
  font-weight: 500;
  font-size: 11.5px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.landscape td:first-child,
.landscape th:first-child {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 12.5px;
  white-space: nowrap;
}
.landscape tr:last-child td {
  border-bottom: none;
}
.landscape td,
.landscape th {
  color: var(--dim);
  line-height: 1.55;
}
.landscape .col-a {
  color: var(--text);
  background: rgba(124, 124, 255, 0.05);
}
.landscape th.col-a {
  color: var(--accent-soft);
  background: rgba(124, 124, 255, 0.08);
}
.landscape code {
  color: var(--accent-soft);
  font-size: 12.5px;
}
.landscape-note {
  margin-top: 24px;
  color: var(--dim);
  font-size: 14.5px;
  max-width: 820px;
}
.landscape-note code {
  color: var(--accent-soft);
}
.landscape-note a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}
.landscape-note a:hover {
  text-decoration-color: var(--accent-soft);
}

/* ---------- FAQ ---------- */
.faq {
  margin-top: 40px;
  display: grid;
  gap: 10px;
  max-width: 820px;
}
.faq details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 2px 18px;
}
.faq summary {
  cursor: pointer;
  padding: 15px 0;
  font-weight: 550;
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  color: var(--faint);
  font-family: var(--mono);
  font-size: 18px;
}
.faq details[open] summary::after {
  content: "−";
}
.faq p {
  color: var(--dim);
  font-size: 14.5px;
  padding: 0 0 16px;
}

/* ---------- final CTA ---------- */
.final {
  text-align: center;
}
.final h2 {
  max-width: 18ch;
  margin: 0 auto 22px;
}

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 36px 0;
  color: var(--faint);
  font-size: 13.5px;
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.foot-links {
  display: flex;
  gap: 22px;
}
.foot-links a:hover {
  color: var(--text);
}

/* toast */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: #0a0a0b;
  font-weight: 600;
  font-size: 13px;
  font-family: var(--mono);
  padding: 9px 18px;
  border-radius: 7px;
  opacity: 0;
  transition: all 0.25s;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    scroll-behavior: auto !important;
  }
}