/* DualFrame — production-grade landing */

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

:root {
  --bg: #030508;
  --bg-raised: #0a0e17;
  --card: rgba(10, 14, 23, 0.72);
  --card-hover: rgba(14, 18, 30, 0.88);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2f6;
  --text-2: #b6c2d1;
  --text-3: #7a8799;
  --violet: #a78bfa;
  --violet-core: #7c3aed;
  --violet-soft: rgba(167, 139, 250, 0.12);
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, 0.1);
  --green: #4ade80;
  --green-soft: rgba(74, 222, 128, 0.12);
  --amber: #fbbf24;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Space Grotesk', var(--font);
  --shell: 1140px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.04);
  --shadow-md: 0 12px 40px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.05);
  --shadow-lg: 0 24px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(167, 139, 250, 0.35);
  color: #fff;
}

[hidden] { display: none !important; }

.shell { width: min(100% - 40px, var(--shell)); margin-inline: auto; }

/* ── Ambient ── */

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient__spot {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.ambient__spot--violet {
  width: 640px;
  height: 640px;
  top: -220px;
  left: -120px;
  background: rgba(124, 58, 237, 0.42);
  animation: drift-violet 18s ease-in-out infinite;
}

.ambient__spot--cyan {
  width: 520px;
  height: 520px;
  top: 120px;
  right: -160px;
  background: rgba(34, 211, 238, 0.22);
  animation: drift-cyan 22s ease-in-out infinite;
}

@keyframes drift-violet {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, 30px); }
}

@keyframes drift-cyan {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 20px); }
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 0%, #000 25%, transparent 80%);
}

/* ── Card system ── */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

.card--elevated {
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.08);
}

.card--violet { border-color: rgba(167,139,250,.22); }
.card--cyan { border-color: rgba(34,211,238,.2); }

/* ── Topbar ── */

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 14px 0;
}

.topbar.is-solid {
  background: rgba(3, 5, 8, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand--foot { font-size: 16px; }

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar__nav a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color .15s, background .15s;
}

.topbar__nav a:not(.topbar__cta):hover {
  color: var(--text);
  background: rgba(255,255,255,.05);
}

.topbar__cta {
  margin-left: 6px;
  color: #fff !important;
  background: var(--violet-core) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 4px 16px rgba(124,58,237,.35);
}

.topbar__cta:hover { background: #6d28d9 !important; }

.skip {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 200;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--violet-core);
  border-radius: var(--r-sm);
  text-decoration: none;
}

.skip:focus {
  left: 16px;
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.btn:focus-visible,
.field:focus-visible,
.topbar__nav a:focus-visible,
.foot__nav a:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .topbar__nav a:not(.topbar__cta) { display: none; }
}

/* ── Type ── */

.text-gradient {
  background: linear-gradient(100deg, #ddd6fe 0%, var(--violet) 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ── Buttons & fields ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  color: #fff;
  background: linear-gradient(180deg, #9d71f7 0%, var(--violet-core) 100%);
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 1px 0 rgba(255,255,255,.14) inset, 0 6px 20px rgba(124,58,237,.32);
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), filter .15s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,.14) inset, 0 10px 28px rgba(124,58,237,.42);
}

.btn:active { transform: translateY(0); filter: brightness(.96); }

.btn--wide { width: 100%; padding-block: 13px; }

.field {
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: rgba(0,0,0,.35);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.field::placeholder { color: var(--text-3); }

.field:focus {
  border-color: rgba(167,139,250,.5);
  box-shadow: 0 0 0 3px rgba(124,58,237,.18);
}

.msg { font-size: 13px; margin-top: 10px; text-align: center; }
.msg--err { color: #f87171; }

.signup.is-success {
  border-color: rgba(74, 222, 128, .22);
  background: linear-gradient(180deg, rgba(74, 222, 128, .07) 0%, var(--card) 60%);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,.06), 0 0 32px rgba(74, 222, 128, .07);
}

.signup.is-success .signup__label,
.signup.is-success .signup__row,
.signup.is-success .signup__fine,
.signup.is-success .msg--err {
  display: none;
}

.signup-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 22px 16px 18px;
  gap: 8px;
  animation: signup-success-in .45s var(--ease);
}

.signup.is-success .signup-success {
  display: flex;
}

.signup-success__icon {
  width: 52px;
  height: 52px;
  margin-bottom: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-soft);
  border: 1px solid rgba(74, 222, 128, .28);
  box-shadow: 0 0 24px rgba(74, 222, 128, .14);
}

.signup-success__check {
  width: 24px;
  height: 24px;
  color: var(--green);
}

.signup-success__title {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text);
}

.signup-success__text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 240px;
}

@keyframes signup-success-in {
  from { opacity: 0; transform: scale(.96) translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ── Hero ── */

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 120px 0 64px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 6px 14px 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.pill__live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(74,222,128,.2);
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .7; transform: scale(1.15); }
}

.hero__title {
  font-family: var(--display);
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.028em;
  margin-bottom: 18px;
}

.hero__desc {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 28px;
}

.signup {
  padding: 18px;
  margin-bottom: 20px;
}

.signup__label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-3);
}

.signup__row {
  display: flex;
  gap: 8px;
}

.signup__fine {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-3);
}

.hero__checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  list-style: none;
  font-size: 13px;
  color: var(--text-3);
}

.hero__checks li {
  position: relative;
  padding-left: 16px;
}

.hero__checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  opacity: .8;
}

/* Preview app */

.hero__preview {
  position: relative;
  animation: preview-float 7s ease-in-out infinite;
}

.demo-hint {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  letter-spacing: .02em;
}

@keyframes preview-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.preview-glow {
  position: absolute;
  inset: 10% -10%;
  background: radial-gradient(ellipse at center, rgba(124,58,237,.28) 0%, transparent 65%);
  pointer-events: none;
}

.app { overflow: hidden; min-width: 0; }

.app__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(0,0,0,.45);
  border-bottom: 1px solid var(--line);
}

.win-dot { width: 9px; height: 9px; border-radius: 50%; }
.win-dot--r { background: #ff5f57; }
.win-dot--y { background: #febc2e; }
.win-dot--g { background: #28c840; }

.app__title {
  margin-left: 8px;
  font-family: ui-monospace, 'Cascadia Code', monospace;
  font-size: 11px;
  color: var(--text-3);
}

.app__status {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
}

.app__status--live {
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid rgba(74,222,128,.25);
}

.app__body {
  display: grid;
  grid-template-columns: 76px 1fr;
  height: 340px;
}

.app__rail {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 6px;
  border-right: 1px solid var(--line);
  background: rgba(0,0,0,.25);
}

.app__tab {
  position: relative;
  z-index: 1;
  height: 36px;
  padding: 0 4px;
  font-family: inherit;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  color: var(--text-3);
  background: none;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color .25s;
}

.app__tab:hover { color: var(--text-2); }

.app__tab.is-active { color: var(--text); font-weight: 600; }

.app__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}

.app__tab-indicator {
  position: absolute;
  left: 6px;
  right: 6px;
  top: 0;
  height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: var(--r-sm);
  transition: transform .35s var(--ease);
  pointer-events: none;
  z-index: 0;
}

.app__panels {
  position: relative;
  height: 340px;
  overflow: hidden;
}

.app-panel {
  position: absolute;
  inset: 0;
  padding: 12px 14px;
  display: none;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  overflow: hidden;
}

.app-panel.is-active {
  display: flex;
  pointer-events: auto;
  z-index: 1;
  animation: panel-in .28s var(--ease);
}

@keyframes panel-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.panel__label {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.panel__foot {
  margin-top: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel__foot--brief {
  gap: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.panel__foot--brief .app__progress {
  margin-bottom: 12px;
}

.panel__foot--brief .app__footer {
  min-height: 28px;
}

.app__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex-shrink: 0;
}

.app__chip {
  font-size: 10px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--text-2);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.app__chip--violet { color: #ddd6fe; background: var(--violet-soft); border-color: rgba(167,139,250,.25); }
.app__chip--cyan { color: #a5f3fc; background: var(--cyan-soft); border-color: rgba(34,211,238,.22); }

.shot-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.shot {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  background: rgba(255,255,255,.02);
  transition: border-color .3s, background .3s;
  flex-shrink: 0;
}

.shot.is-active {
  border-color: rgba(167,139,250,.28);
  background: rgba(124,58,237,.07);
}

.shot.is-done { opacity: .85; }

.shot__idx {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
}

.shot__info {
  min-width: 0;
  overflow: hidden;
}

.shot__info strong {
  display: block;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot__info span {
  display: block;
  font-size: 10px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot__pill {
  flex-shrink: 0;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 3px 6px;
  border-radius: 999px;
  color: var(--text-3);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.shot__pill--ok { color: var(--green); background: var(--green-soft); border-color: rgba(74,222,128,.22); }
.shot__pill--run { color: var(--amber); background: rgba(251,191,36,.1); border-color: rgba(251,191,36,.25); animation: pulse 2s ease infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .65; }
}

.app__progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 10px;
  color: var(--text-3);
  margin-bottom: 8px;
}

.app__progress-track {
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  overflow: hidden;
  isolation: isolate;
}

.app__progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--violet-core), var(--cyan));
  transition: width .35s linear;
  position: relative;
  overflow: hidden;
}

.app__progress-fill.is-live::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  animation: progress-shine 2.5s ease-in-out infinite;
}

.app__progress-fill.is-static { transition: none; }
.app__progress-fill.is-static::after { display: none; }
.app__progress-fill.is-export { background: linear-gradient(90deg, var(--violet-core), var(--green)); }

@keyframes progress-shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* Vault panel */
.vault-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  flex: 1;
  align-content: start;
}

.vault-item {
  padding: 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.vault-item__tag {
  display: inline-block;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--violet);
  margin-bottom: 4px;
}

.vault-item strong {
  display: block;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 1px;
}

.vault-item span:last-child {
  font-size: 9px;
  color: var(--text-3);
}

/* Router panel */
.router-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.router-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
}

.router-shot {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
}

.router-engine {
  flex-shrink: 0;
  font-weight: 600;
  font-size: 9px;
  padding: 3px 7px;
  border-radius: 999px;
  white-space: nowrap;
}

.router-engine--violet { color: #ddd6fe; background: var(--violet-soft); }
.router-engine--cyan { color: #a5f3fc; background: var(--cyan-soft); }

/* Export panel */
.export-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  flex: 1;
  align-content: start;
}

.export-card {
  height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
}

.export-card small {
  font-size: 8px;
  font-weight: 500;
  color: var(--text-3);
}

.export-card.is-done {
  border-color: rgba(74,222,128,.22);
  background: var(--green-soft);
  color: var(--green);
}

.export-card.is-run {
  border-color: rgba(251,191,36,.28);
  background: rgba(251,191,36,.08);
  color: var(--amber);
  animation: pulse 2s ease infinite;
}

.motion-thumb {
  opacity: 0;
  transform: translateY(8px) scale(.92);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

#brief-thumbs.is-visible .thumb {
  opacity: 1;
}

@media (max-width: 640px) {
  .app__body { grid-template-columns: 1fr; height: auto; min-height: 380px; }
  .app__panels { height: 300px; }
  .app__rail {
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 6px;
    gap: 4px;
  }
  .app__tab { flex: 1; height: 32px; font-size: 11px; }
  .app__tab-indicator { display: none; }
  .vault-grid { grid-template-columns: 1fr 1fr; }
}

.app__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.app__thumbs {
  display: flex;
  gap: 4px;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity .35s var(--ease), height .35s var(--ease);
}

.app__thumbs.is-visible {
  opacity: 1;
  height: 28px;
}

.thumb {
  width: 18px;
  height: 28px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  flex-shrink: 0;
}

.thumb--a { background: linear-gradient(160deg, #6d28d9, #312e81); }
.thumb--b { background: linear-gradient(160deg, #0891b2, #164e63); }
.thumb--c { background: linear-gradient(160deg, #db2777, #581c87); }

.app__export {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  color: var(--green);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Logos */

.logos {
  position: relative;
  z-index: 1;
  padding: 8px 0 40px;
  text-align: center;
}

.logos__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

.logos__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.logo-pill {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.02);
  transition: border-color .2s, background .2s, transform .2s var(--ease);
}

.logo-pill:hover {
  border-color: var(--line-strong);
  background: rgba(255,255,255,.04);
  transform: translateY(-1px);
}

.rule span {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* Metrics */

.metrics {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding-bottom: 72px;
}

.metric {
  padding: 20px 18px;
  text-align: center;
}

.metric__num {
  display: block;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric__text {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.45;
}

/* Sections */

.section {
  position: relative;
  z-index: 1;
  padding: 72px 0;
}

.section__head {
  max-width: 620px;
  margin-bottom: 40px;
}

.section__head h2 {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.024em;
  margin-bottom: 12px;
}

.section__lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-2);
}

/* Timeline */

.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.timeline__item {
  padding: 22px;
  position: relative;
}

.timeline__item:hover {
  background: var(--card-hover);
  border-color: var(--line-strong);
}

.timeline__step {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--violet);
}

.timeline__item h3 {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline__item p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-2);
}

/* Engine cards */

.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.engine-card {
  padding: 24px;
}

.engine-card header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}

.engine-card__dot {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.card--violet .engine-card__dot { background: var(--violet); box-shadow: 0 0 10px rgba(167,139,250,.5); }
.card--cyan .engine-card__dot { background: var(--cyan); box-shadow: 0 0 10px rgba(34,211,238,.4); }

.engine-card h3 {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
}

.engine-card__by {
  font-size: 12px;
  color: var(--text-3);
}

.engine-card ul {
  list-style: none;
  margin-bottom: 16px;
}

.engine-card li {
  position: relative;
  padding: 5px 0 5px 14px;
  font-size: 14px;
  color: var(--text-2);
}

.engine-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line-strong);
}

.engine-card footer {
  font-size: 12px;
  color: var(--text-3);
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mini {
  padding: 18px;
}

.mini h4 {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.mini p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
}

/* Quote */

.quote {
  position: relative;
  z-index: 1;
  padding: 16px 0 56px;
}

.quote__inner {
  padding: 32px 36px;
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.quote__inner p {
  font-family: var(--display);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 20px;
}

.quote__inner footer {
  font-size: 13px;
  color: var(--text-3);
}

.quote__inner cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 2px;
}

/* Audience */

.aud-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.aud { padding: 24px; }

.aud__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  color: var(--violet);
  background: var(--violet-soft);
  border: 1px solid rgba(167,139,250,.22);
  border-radius: var(--r-sm);
}

.aud h3 {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.aud p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

/* CTA */

.cta {
  position: relative;
  z-index: 1;
  padding: 24px 0 88px;
}

.cta__box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 40px;
  background:
    radial-gradient(ellipse 80% 80% at 0% 100%, rgba(124,58,237,.14), transparent 55%),
    var(--card);
}

.cta__copy h2 {
  font-family: var(--display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.cta__copy p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-2);
}

.cta__fine {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
}

/* Footer */

.foot {
  position: relative;
  z-index: 1;
  padding: 40px 0 48px;
  border-top: 1px solid var(--line);
}

.foot__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.foot__nav {
  display: flex;
  gap: 16px;
}

.foot__nav a {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: none;
  transition: color .15s;
}

.foot__nav a:hover { color: var(--text-2); }

.foot__copy {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 6px;
}

.foot__legal {
  max-width: 520px;
  font-size: 11px;
  line-height: 1.5;
  color: #556275;
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal--d1 { transition-delay: .08s; }
.reveal--d2 { transition-delay: .16s; }
.reveal--d3 { transition-delay: .24s; }
.reveal--d4 { transition-delay: .32s; }

[data-stagger] > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

[data-stagger].is-visible > * {
  opacity: 1;
  transform: none;
}

[data-stagger].is-visible > *:nth-child(1) { transition-delay: .05s; }
[data-stagger].is-visible > *:nth-child(2) { transition-delay: .1s; }
[data-stagger].is-visible > *:nth-child(3) { transition-delay: .15s; }
[data-stagger].is-visible > *:nth-child(4) { transition-delay: .2s; }

.metric.card { transition-delay: calc(var(--i, 0) * 0.08s); }

.hide-mobile { display: none; }

@media (min-width: 768px) {
  .hide-mobile { display: inline; }
}

/* Responsive */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 108px;
  }

  .hero__copy { text-align: center; }
  .hero__desc { margin-inline: auto; }
  .hero__checks { justify-content: center; }
  .pill { margin-inline: auto; }
  .hero__preview { animation: none; }

  .metrics { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .aud-grid { grid-template-columns: 1fr; }
  .cta__box { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 640px) {
  .signup__row { flex-direction: column; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .engine-grid { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: 1fr; }
  .app__body { grid-template-columns: 1fr; height: auto; min-height: 380px; }
  .app__panels { height: 300px; }
  .app__rail {
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 6px;
    gap: 4px;
  }
  .app__tab { flex: 1; height: 32px; font-size: 11px; padding: 0 4px; }
  .app__tab-indicator { display: none; }
  .vault-grid { grid-template-columns: 1fr 1fr; }
  .export-grid { grid-template-columns: repeat(2, 1fr); }
  .foot__top { flex-direction: column; gap: 16px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  [data-stagger] > *,
  .shot {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .signup-success { animation: none; }

  .hero__preview { animation: none; }
  .ambient__spot { animation: none; }
  .pill__live { animation: none; }
  .shot__pill--run { animation: none; }
  .export-card.is-run { animation: none; }
  .app__progress-fill.is-live::after { display: none; }
  .app__tab-indicator { transition: none; }
}