/* Trove — Quartet brand palette (Vault · Thread · Signal · Mist) */

@font-face {
  font-family: 'SK Modernist';
  src: url('../fonts/SKModernist-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'SK Modernist';
  src: url('../fonts/SKModernist-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'SK Modernist';
  src: url('../fonts/SKModernist-Bold.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --bg:           #F2F1EC;
  --surface:      #FFFFFF;
  --raised:       #E6E5E0;
  --text-1:       #3A4039;
  --text-2:       #6B6560;
  --text-3:       #94908A;
  /* Trove palette — Vault · Archive · Ember · Stone + Mahogany pop accent */
  --trove-vault:        #3A4039;
  --trove-archive:      #6B6560;
  --trove-ember:        #7A5248;
  --trove-stone:        #848A92;
  --trove-mahogany:     #7A3838;
  --trove-vault-tint:   #ECEEE9;
  --trove-archive-tint: #EEEDEB;
  --trove-ember-tint:   #F3EBE8;
  --trove-stone-tint:   #EDEEF0;
  --trove-mahogany-tint: #F4EAE8;

  --accent:       var(--trove-vault);
  --accent-tint:  var(--trove-vault-tint);
  --accent-text:  #4A5248;
  --code-bg:      #1C1E1C;
  --border:       rgba(58, 64, 57, 0.08);
  --border-strong:rgba(58, 64, 57, 0.15);

  --code-default: #E6E5E0;
  --code-comment: #6E6C66;
  --code-keyword: #8FB5A8;
  --code-string-new: #9BB88A;
  --code-string-old: #7A7872;
  --focus-ring:   0 0 0 3px rgba(61, 69, 64, 0.24);

  --font:         'Geist', sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font);
  --font-brand:   'SK Modernist', var(--font);

  --brand-gradient: linear-gradient(
    128deg,
    var(--trove-vault) 0%,
    var(--trove-archive) 45%,
    var(--trove-stone) 100%
  );
  --btn-gradient: linear-gradient(
    128deg,
    #2F3532 0%,
    var(--trove-vault) 42%,
    #4F5852 100%
  );
  --btn-gradient-hover: linear-gradient(
    128deg,
    #2A2F2C 0%,
    #343A36 45%,
    #454D48 100%
  );

  --max: 1100px;
  --pad: clamp(20px, 5vw, 48px);
  --section-y: 120px;
  --section-y-m: 72px;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font);
}

body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-1);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -8%, rgba(232, 240, 236, 0.45) 0%, transparent 58%),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.35) 0%,
      transparent 14%,
      transparent 86%,
      rgba(230, 229, 224, 0.45) 100%
    );
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

::selection {
  background: var(--accent-tint);
  color: var(--text-1);
}

/* ─── Type ─────────────────────────────────────── */

.t-hero {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--text-1);
}

.t-section {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-1);
}

.t-sub {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--text-1);
}

.t-body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
}

.t-small {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
}

.c-2 { color: var(--text-2); }
.c-3 { color: var(--text-3); }

.head-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 56px;
  max-width: 680px;
}

.head-block--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  align-items: center;
}

.prose {
  max-width: 680px;
}

/* ─── Layout ───────────────────────────────────── */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: transparent;
}

.section--demo {
  padding-top: calc(var(--section-y) * 0.85);
}

.section-rule {
  border-top: 1px solid var(--border);
}

/* ─── Nav ──────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: transparent;
  transition: background 0.2s, backdrop-filter 0.2s;
}

.nav--scrolled {
  background: rgba(242, 241, 236, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  justify-self: start;
}

.logo__mark {
  display: block;
  flex-shrink: 0;
  transform: translateY(2px);
  filter: drop-shadow(0 1px 2px rgba(61, 69, 64, 0.14));
}

.logo__word {
  display: block;
  font-family: var(--font-brand);
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer .logo__mark {
  transform: translateY(1.5px);
}

.footer .logo__word {
  font-size: 18px;
}

.nav__center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.nav__link {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  padding: 8px 14px;
  transition: color 0.15s;
}
.nav__link:hover {
  color: var(--text-1);
}

.nav__cta {
  justify-self: end;
}

.nav__toggle {
  display: none;
  justify-self: end;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-1);
  margin: 4px auto;
  transition: transform 0.2s, opacity 0.2s;
}

.nav__drawer {
  display: none;
}

.btn {
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--btn-gradient);
  color: #fff;
  border-radius: 8px;
  padding: 9px 18px;
  box-shadow: 0 1px 2px rgba(58, 64, 57, 0.2);
}
.btn--primary:hover {
  background: var(--btn-gradient-hover);
  box-shadow: 0 2px 6px rgba(58, 64, 57, 0.26);
}
.btn--primary:disabled {
  opacity: 0.65;
  cursor: default;
  box-shadow: none;
}

.btn--sm {
  font-size: 13px;
  padding: 7px 14px;
}

.btn--ghost {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 9px 18px;
}
.btn--ghost:hover {
  background: var(--raised);
}

/* ─── Code blocks ──────────────────────────────── */

.code-block {
  background: var(--code-bg);
  border-radius: 12px;
  padding: 24px 28px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  text-align: left;
}

.code-block--sm {
  max-width: 100%;
  padding: 20px 22px;
}

.code-block pre,
.code-block code {
  font-family: ui-monospace, 'Consolas', monospace;
  font-size: 13px;
  font-weight: 400;
  color: var(--code-default);
}

.code-block pre {
  margin: 0;
}

/* Hero animated diff (non-prism lines) */
.hero-code__line {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.85;
  display: block;
  white-space: pre;
}

.hero-code__line--dim {
  color: var(--code-string-old);
  text-decoration: line-through;
}

.hero-code__line--after {
  color: var(--code-string-new);
  min-height: 1.85em;
}

.hero-code__line--after::after {
  content: '|';
  animation: caret 0.9s step-end infinite;
  color: var(--code-default);
  margin-left: 1px;
}

.hero-code__line--after.done::after {
  display: none;
}

.hero-code__note {
  color: var(--code-comment);
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

.hero-code__note.is-visible {
  opacity: 1;
}

@keyframes caret {
  50% { opacity: 0; }
}

.code-inline {
  font-family: ui-monospace, monospace;
  font-size: 0.88em;
  color: var(--text-1);
  background: var(--raised);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ─── Hero ─────────────────────────────────────── */

.hero {
  padding-top: calc(64px + 80px);
  padding-bottom: 64px;
  text-align: center;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.hero__sub {
  max-width: 52ch;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 4px;
}

.hero__code-wrap {
  width: 100%;
  margin-top: 16px;
}

/* ─── Logos ────────────────────────────────────── */

.logos {
  padding: 40px 0;
  background: var(--bg);
}

.logos__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 32px;
}

.logos__label {
  font-size: 13px;
  color: var(--text-3);
  width: 100%;
  text-align: center;
  margin-bottom: 4px;
}

.logos__word {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
}

/* ─── Problem ──────────────────────────────────── */

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.problem-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
}

.problem-item__n {
  font-size: 16px;
  font-weight: 500;
  color: var(--trove-vault);
  padding-top: 2px;
}

.problem-list .problem-item:nth-child(2) .problem-item__n {
  color: var(--trove-archive);
}
.problem-list .problem-item:nth-child(3) .problem-item__n {
  color: var(--trove-ember);
}
.problem-list .problem-item:nth-child(4) .problem-item__n {
  color: var(--trove-stone);
}

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

/* ─── How it works (stepper) ───────────────────── */

.how-flow {
  position: relative;
  padding: 28px 28px 32px;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.97) 0%,
    rgba(232, 240, 236, 0.35) 55%,
    rgba(255, 255, 255, 0.92) 100%
  );
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.how-flow__track {
  height: 3px;
  background: var(--raised);
  border-radius: 3px;
  margin-bottom: 24px;
  overflow: hidden;
}

.how-flow__progress {
  height: 100%;
  width: 33.33%;
  background: linear-gradient(
    90deg,
    var(--trove-vault),
    var(--trove-archive),
    var(--trove-mahogany)
  );
  border-radius: 3px;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.stepper__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}

.stepper__tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  font-family: 'Geist', sans-serif;
  text-align: left;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.stepper__tab:hover {
  border-color: var(--border-strong);
  color: var(--text-2);
}

.stepper__tab.is-active {
  color: var(--accent-text);
  border-color: rgba(61, 69, 64, 0.2);
  background: var(--surface);
  box-shadow: 0 4px 14px rgba(61, 69, 64, 0.06);
  transform: translateY(-2px);
}

.stepper__tab[data-step="01"].is-active {
  border-color: rgba(61, 69, 64, 0.28);
}
.stepper__tab[data-step="02"].is-active {
  border-color: rgba(107, 101, 96, 0.35);
}
.stepper__tab[data-step="03"].is-active {
  border-color: rgba(122, 82, 72, 0.35);
}

.stepper__tab-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.stepper__tab[data-step="01"].is-active .stepper__tab-num {
  color: var(--trove-vault);
}
.stepper__tab[data-step="02"].is-active .stepper__tab-num {
  color: var(--trove-archive);
}
.stepper__tab[data-step="03"].is-active .stepper__tab-num {
  color: var(--trove-mahogany);
}

.stepper__tab-label {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stepper__panel {
  display: none;
  position: relative;
  padding-left: 4px;
  border-left: 3px solid transparent;
  animation: fadePanel 0.28s ease-out;
}

.stepper__panel.is-active {
  display: block;
  border-left-color: var(--trove-vault);
}

.stepper__panel[data-panel="02"].is-active {
  border-left-color: var(--trove-archive);
}

.stepper__panel[data-panel="03"].is-active {
  border-left-color: var(--trove-mahogany);
}

@keyframes fadePanel {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.stepper__watermark {
  position: absolute;
  top: -8px;
  right: 0;
  font-family: var(--font-display);
  font-size: clamp(72px, 12vw, 120px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(61, 69, 64, 0.07);
  pointer-events: none;
  user-select: none;
}

.stepper__panel h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 24px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  max-width: 28ch;
}

.stepper__panel > p {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.65;
  max-width: 56ch;
  margin-bottom: 28px;
}

/* Context chunks visual */
.ctx-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 520px;
}

.ctx-visual__label {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 14px;
}

.ctx-visual__bar {
  height: 8px;
  background: var(--raised);
  border-radius: 4px;
  margin-bottom: 14px;
  overflow: hidden;
}

.ctx-visual__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--trove-archive-tint), rgba(107, 101, 96, 0.3));
  border-radius: 4px;
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.stepper__panel.is-active .ctx-visual__fill,
.ctx-visual__fill.is-filled {
  width: 72%;
}

.ctx-visual__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ctx-tag {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  padding: 6px 10px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-2);
}

.ctx-tag--accent {
  background: var(--trove-mahogany-tint);
  border: none;
  border-left: 2px solid var(--trove-mahogany);
  border-radius: 0 6px 6px 0;
  color: #5C3535;
  padding-left: 10px;
}

/* Log mock */
.log-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  max-width: 480px;
  font-family: ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.85;
}

.log-mock__row {
  color: var(--text-2);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.log-mock__row:last-child {
  border-bottom: none;
}

.log-mock__row span {
  color: var(--text-3);
  margin-right: 8px;
}

.log-mock__tag {
  color: var(--trove-archive);
}

/* ─── Demo: context handoff rail ──────────────── */

.head-block--demo {
  margin-bottom: 36px;
}

.demo-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--trove-mahogany);
  margin-bottom: 12px;
}

.handoff {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 22px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85) inset;
}

.handoff.is-playing {
  border-color: var(--border-strong);
}

.handoff__track {
  margin-bottom: 20px;
}

.handoff__stations {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  align-items: end;
  margin-bottom: 10px;
}

.handoff__station {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--text-3);
  transition: color 0.25s, opacity 0.25s;
  opacity: 0.55;
}

.handoff__station-name {
  display: block;
  font-weight: 500;
  color: inherit;
}

.handoff__station-time {
  display: block;
  margin-top: 2px;
  font-size: 10px;
}

.handoff__station--trove {
  text-align: center;
  padding: 0 8px;
  opacity: 0.55;
}

.handoff__station--trove .handoff__station-name {
  color: var(--trove-mahogany);
  font-weight: 600;
}

.handoff[data-phase="a"] [data-station="a"],
.handoff[data-phase="ferry-a"] [data-station="a"],
.handoff[data-phase="ferry-a"] [data-station="trove"],
.handoff[data-phase="trove"] [data-station="trove"],
.handoff[data-phase="ferry-b"] [data-station="trove"],
.handoff[data-phase="ferry-b"] [data-station="b"],
.handoff[data-phase="b"] [data-station="b"],
.handoff[data-phase="done"] [data-station="a"],
.handoff[data-phase="done"] [data-station="trove"],
.handoff[data-phase="done"] [data-station="b"] {
  opacity: 1;
  color: var(--text-2);
}

.handoff[data-phase="ferry-a"] [data-station="trove"],
.handoff[data-phase="trove"] [data-station="trove"],
.handoff[data-phase="ferry-b"] [data-station="trove"] {
  color: var(--trove-mahogany);
}

.handoff__station:first-child {
  text-align: left;
}

.handoff__station:last-child {
  text-align: right;
}

.handoff__rail {
  position: relative;
  height: 36px;
}

.handoff__rail-line {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--trove-archive) 0%,
    var(--border) 18%,
    var(--border) 82%,
    var(--trove-mahogany) 100%
  );
  transform: translateY(-50%);
}

.handoff__gap {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--surface);
  padding: 2px 8px;
  border: 1px dashed var(--border-strong);
  border-radius: 100px;
}

.handoff__packet {
  position: absolute;
  top: 50%;
  left: 8%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 4px;
  padding: 5px 8px;
  background: var(--trove-mahogany-tint);
  border: 1px solid rgba(122, 56, 56, 0.35);
  border-radius: 100px;
  box-shadow: 0 2px 8px rgba(122, 56, 56, 0.15);
  transition: left 0.85s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.handoff__packet.is-visible {
  display: flex;
}

.handoff__packet[hidden] {
  display: none !important;
}

.handoff[data-packet="a"] .handoff__packet {
  left: 8%;
}

.handoff[data-packet="trove"] .handoff__packet {
  left: 50%;
}

.handoff[data-packet="b"] .handoff__packet {
  left: 92%;
}

.handoff__packet-chip {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  font-weight: 500;
  color: #5C3535;
  white-space: nowrap;
}

.handoff__cards {
  position: relative;
  min-height: 88px;
}

.handoff__card {
  position: absolute;
  inset: 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease-out, transform 0.35s ease-out;
  pointer-events: none;
}

.handoff__card.is-visible {
  position: relative;
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.handoff__card[hidden] {
  display: none;
}

.handoff__card code {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--text-1);
}

.handoff__card strong {
  color: var(--trove-mahogany);
  font-weight: 600;
}

.handoff__card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--trove-mahogany);
  margin-bottom: 6px;
}

.handoff__card[data-card="trove"].is-visible {
  background: var(--trove-mahogany-tint);
  border-color: rgba(122, 56, 56, 0.25);
}

.handoff__payoff {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 14px;
  background: linear-gradient(90deg, var(--trove-mahogany-tint), rgba(255, 255, 255, 0.5));
  border: 1px solid rgba(122, 56, 56, 0.2);
  border-radius: 10px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

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

.handoff__payoff[hidden] {
  display: none;
}

.handoff__payoff-mark {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--trove-mahogany);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(122, 56, 56, 0.2);
}

.handoff__payoff p {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-1);
}

.handoff__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.handoff__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-3);
}

.handoff__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
}

.handoff.is-ready .handoff__dot {
  background: var(--trove-mahogany);
  animation: handoff-pulse 2s ease-out infinite;
}

.handoff.is-playing .handoff__dot {
  animation: none;
  background: var(--trove-mahogany);
}

.handoff.is-done .handoff__dot {
  animation: none;
  background: var(--trove-vault);
}

@keyframes handoff-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(122, 56, 56, 0.35);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(122, 56, 56, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(122, 56, 56, 0);
  }
}

/* ─── Features ─────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: linear-gradient(
    165deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.88) 100%
  );
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.15s;
}

.feature-card:hover {
  border-color: var(--border-strong);
}

.feature-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  flex-shrink: 0;
}

.features-grid .feature-card:nth-child(4n + 1) .feature-card__dot {
  background: var(--trove-vault);
}
.features-grid .feature-card:nth-child(4n + 2) .feature-card__dot {
  background: var(--trove-archive);
}
.features-grid .feature-card:nth-child(4n + 3) .feature-card__dot {
  background: var(--trove-mahogany);
}
.features-grid .feature-card:nth-child(4n + 4) .feature-card__dot {
  background: var(--trove-stone);
}

.feature-card__name {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-1);
}

.feature-card__body {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.6;
  margin-top: 8px;
}

/* ─── Compare table ────────────────────────────── */

.compare-table-wrap {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.97) 0%,
    rgba(255, 255, 255, 0.9) 100%
  );
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface);
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-1);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.compare-table thead th:first-child {
  color: var(--text-2);
  font-weight: 500;
}

.compare-table thead th.compare-th--trove {
  color: var(--trove-vault);
  background: linear-gradient(180deg, var(--trove-vault-tint), var(--surface));
  box-shadow: inset 0 3px 0 var(--trove-mahogany);
}

.compare-table tbody td:nth-child(2).cell-yes {
  color: var(--trove-mahogany);
  font-weight: 600;
}

.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: top;
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table td:first-child {
  font-weight: 500;
  color: var(--text-1);
}

.cell-yes {
  color: var(--text-1);
  font-weight: 600;
}

.cell-other {
  color: var(--text-3);
}

.compare-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-3);
}

/* Trove quartet swatch (footer) */
.trove-palette {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 20px;
}

.trove-palette__swatch {
  width: 28px;
  height: 4px;
  border-radius: 2px;
}

.trove-palette__swatch--vault {
  background: var(--trove-vault);
}
.trove-palette__swatch--archive {
  background: var(--trove-archive);
}
.trove-palette__swatch--ember {
  background: var(--trove-ember);
}
.trove-palette__swatch--mahogany {
  background: var(--trove-mahogany);
}

/* ─── Integration tabs ─────────────────────────── */

.provider-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.provider-tab {
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 4px;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.provider-tab.is-active {
  color: var(--text-1);
  border-bottom-color: var(--trove-mahogany);
}

#integration-code.is-fading {
  opacity: 0;
}

#integration-code {
  transition: opacity 0.15s ease-out;
}

.integration-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.integration-layout .code-block {
  margin: 0;
  max-width: none;
}

/* ─── CTA ──────────────────────────────────────── */

.cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner .head-block {
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 28px 0 16px;
}

.cta-form__input {
  flex: 1 1 240px;
  max-width: 320px;
  height: 44px;
  padding: 0 16px;
  font-family: 'Geist', sans-serif;
  font-size: 16px;
  font-weight: 400;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.15s;
}

.cta-form__input:focus {
  border-color: var(--border-strong);
  box-shadow: var(--focus-ring);
}

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

.cta-form .btn--primary {
  height: 44px;
  padding: 0 20px;
}

/* ─── Footer ───────────────────────────────────── */

.footer {
  padding: 32px 0 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.footer__links {
  display: flex;
  gap: 24px;
  justify-content: center;
  list-style: none;
}

.footer__links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.15s;
}
.footer__links a:hover {
  color: var(--text-1);
}

.footer__copy {
  font-size: 13px;
  color: var(--text-3);
  justify-self: end;
}

/* ─── Scroll reveal ────────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .js-ready .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.2s ease-out, transform 0.2s ease-out;
  }
  .js-ready .reveal.in {
    opacity: 1;
    transform: none;
  }
}

/* ─── Mobile ───────────────────────────────────── */

@media (max-width: 767px) {
  :root {
    --section-y: 72px;
  }

  .nav__inner {
    grid-template-columns: 1fr auto;
  }

  .nav__center,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    padding: 24px var(--pad);
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.2s ease-out;
    z-index: 199;
  }

  .nav__drawer.is-open {
    transform: translateX(0);
  }

  .nav__drawer .nav__link {
    font-size: 18px;
    padding: 12px 0;
  }

  .nav__drawer .btn--primary {
    margin-top: 16px;
    width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__copy {
    justify-self: center;
  }

  .problem-item {
    grid-template-columns: 28px 1fr;
  }

  .how-flow {
    padding: 20px 18px 24px;
  }

  .stepper__tabs {
    grid-template-columns: 1fr;
  }

  .stepper__watermark {
    font-size: 64px;
  }

  .demo-stage__bar {
    flex-direction: column;
    align-items: stretch;
  }

  .demo-stage__agents {
    flex-wrap: wrap;
  }

  .handoff__stations {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 4px;
  }

  .handoff__station:first-child,
  .handoff__station:last-child {
    text-align: center;
  }

  .handoff__station--trove {
    order: -1;
  }

  .handoff__gap {
    font-size: 9px;
  }
}