/* MSIM landing — Signal Lab
   Light design-system aesthetic for designers, PMs, and testers.
   Accent: electric mint on ink. No purple stack. */

:root {
  --bg: #f4f6f3;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-soft: #e8ede6;
  --bg-ink: #0c1210;
  --border: rgba(12, 18, 16, 0.1);
  --border-strong: rgba(12, 18, 16, 0.18);
  --text: #0c1210;
  --muted: #5a635c;
  --mint: #12c48b;
  --mint-deep: #0a9a6c;
  --mint-soft: rgba(18, 196, 139, 0.14);
  --signal: #ff4d2e;
  --signal-soft: rgba(255, 77, 46, 0.12);
  --success: #12c48b;
  --shadow: 0 28px 70px rgba(12, 18, 16, 0.1);
  --shadow-sm: 0 10px 28px rgba(12, 18, 16, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1160px;
  --header-h: 68px;
  --font: "Instrument Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --display: "Bricolage Grotesque", "Instrument Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

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

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--mint-deep);
  background: var(--mint-soft);
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.container.narrow {
  width: min(760px, calc(100% - 2rem));
}

/* Atmosphere: soft grid + mint wash */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 55% 40% at 82% -8%, rgba(18, 196, 139, 0.16), transparent 58%),
    radial-gradient(ellipse 45% 35% at 8% 12%, rgba(255, 77, 46, 0.07), transparent 55%),
    linear-gradient(180deg, #f7f9f5 0%, var(--bg) 40%, #eef2ec 100%);
}

.bg-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(12, 18, 16, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 18, 16, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 20%, transparent 75%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  background: rgba(244, 246, 243, 0.78);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner .nav {
  flex: 1;
  justify-content: center;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}

.brand img {
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(12, 18, 16, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 550;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(12, 18, 16, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  font-weight: 650;
  font-family: var(--font);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.05rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 1.05rem 1.7rem;
  font-size: 1.05rem;
  min-width: 12rem;
  letter-spacing: -0.01em;
}

.btn-lg .chrome-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-primary {
  color: #04140e;
  background: var(--mint);
  box-shadow: 0 12px 28px rgba(18, 196, 139, 0.32);
}

.btn-primary:hover {
  background: #1fd498;
  box-shadow: 0 16px 36px rgba(18, 196, 139, 0.4);
}

.btn-ghost {
  color: var(--text);
  background: transparent;
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(12, 18, 16, 0.04);
  border-color: var(--text);
}

.btn-ink {
  color: #f4f6f3;
  background: var(--bg-ink);
  box-shadow: 0 14px 32px rgba(12, 18, 16, 0.22);
}

.btn-ink:hover {
  background: #1a2420;
  color: #fff;
}

.chrome-icon {
  width: 18px;
  height: 18px;
}

/* ========== HERO ========== */
.hero {
  padding: 2.5rem 0 0;
  overflow-x: clip;
}

.hero-copy {
  max-width: 52rem;
  padding-bottom: 2.5rem;
  animation: hero-rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-brand-mark {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.15rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
  color: var(--text);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  font-family: var(--mono);
}

.hero-brand-mark .mark-msim {
  position: relative;
  isolation: isolate;
}

.hero-brand-mark .mark-msim::after {
  content: "";
  position: absolute;
  left: -0.04em;
  right: -0.04em;
  bottom: 0.06em;
  height: 0.22em;
  background: var(--mint);
  border-radius: 3px;
  z-index: -1;
  opacity: 0.9;
  animation: mark-underline 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both;
  transform-origin: left center;
}

@keyframes mark-underline {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.hero-brand-mark .mark-sub {
  font-size: 0.28em;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font);
  align-self: flex-end;
  margin-bottom: 0.55em;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-soft);
  animation: dot-breathe 2.8s ease-in-out infinite;
}

@keyframes dot-breathe {
  0%,
  100% {
    box-shadow: 0 0 0 4px var(--mint-soft);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(18, 196, 139, 0.08);
  }
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.15rem, 4.8vw, 3.55rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 750;
  max-width: 18ch;
}

.text-gradient {
  color: var(--mint-deep);
  background: none;
  -webkit-text-fill-color: unset;
}

.lead {
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 36rem;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.positioning {
  display: none;
}

.ph-badge-row {
  margin-top: 1.25rem;
}

.ph-badge-row--center {
  display: flex;
  justify-content: center;
  margin: 1.25rem 0 0.25rem;
}

.ph-badge {
  display: inline-flex;
  line-height: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ph-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(12, 18, 16, 0.12);
  text-decoration: none;
}

.ph-badge img {
  display: block;
  width: 250px;
  max-width: 100%;
  height: auto;
}

.footer-ph {
  margin: 0.9rem 0 0;
}

.install-cta-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.center-cta.install-cta-pair {
  justify-content: center;
}

.hero-bullets {
  display: none;
}

/* Hero visual — full-bleed board (sibling of .container, no 100vw hack) */
.hero-visual {
  width: 100%;
  animation: hero-board 1s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

@keyframes hero-board {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.preview-shell {
  background: var(--bg-ink);
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
  color: #e8ede6;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.traffic {
  display: flex;
  gap: 6px;
}

.traffic span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a3f4f;
}

.traffic span:nth-child(1) {
  background: #ff5f57;
}
.traffic span:nth-child(2) {
  background: #febc2e;
}
.traffic span:nth-child(3) {
  background: #28c840;
}

.preview-title {
  font-size: 0.82rem;
  color: rgba(244, 246, 243, 0.55);
  flex: 1;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.preview-actions {
  display: flex;
  gap: 0.4rem;
}

.pill {
  font-size: 0.68rem;
  font-weight: 700;
  color: #b8f5dc;
  background: rgba(18, 196, 139, 0.18);
  border: 1px solid rgba(18, 196, 139, 0.35);
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill:last-child {
  color: #ffd0c6;
  background: rgba(255, 77, 46, 0.16);
  border-color: rgba(255, 77, 46, 0.32);
}

.device-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(0.75rem, 2.5vw, 2.25rem);
  padding: clamp(2.25rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2.5rem) clamp(2.25rem, 4.5vw, 3.5rem);
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(18, 196, 139, 0.28), transparent 65%),
    radial-gradient(ellipse 30% 40% at 15% 30%, rgba(255, 77, 46, 0.12), transparent 55%),
    linear-gradient(160deg, #121a17 0%, #0c1210 55%, #15201b 100%);
  min-height: 420px;
  position: relative;
}

.device-row::before {
  content: "SYNC SCROLL · LIVE PREVIEW";
  position: absolute;
  top: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(244, 246, 243, 0.35);
  white-space: nowrap;
}

.device-mock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  transition: transform 0.35s ease;
}

.device-mock:hover {
  transform: translateY(-6px);
}

.device-mock::after {
  content: attr(data-label);
  font-size: 0.72rem;
  color: rgba(244, 246, 243, 0.7);
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.device-bezel {
  background: #1a1f1c;
  border-radius: 22px;
  padding: 9px;
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.45),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.device-bezel.phone {
  width: 122px;
}

.device-bezel.phone.tall {
  width: 114px;
}

.device-bezel.tablet {
  width: 188px;
  border-radius: 16px;
}

.device-screen {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  height: 236px;
  position: relative;
}

.device-bezel.phone.tall .device-screen {
  height: 256px;
}

.device-bezel.tablet .device-screen {
  height: 222px;
  border-radius: 10px;
}

.fake-scroll {
  will-change: transform;
  animation: device-sync-scroll 9s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  animation-play-state: running;
}

.preview-shell.is-offscreen .fake-scroll,
.fake-scroll.is-paused {
  animation-play-state: paused;
}

@keyframes device-sync-scroll {
  0%,
  12% {
    transform: translate3d(0, 0, 0);
  }
  48%,
  58% {
    transform: translate3d(0, -52%, 0);
  }
  90%,
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.fake-site {
  height: auto;
  min-height: 100%;
  padding: 8px;
  background: linear-gradient(180deg, #f8faf8, #eef4ef);
}

.fake-site.alt {
  background: linear-gradient(180deg, #fff8f5, #ffe8e0);
}

.fake-site.wide {
  background: linear-gradient(180deg, #f0fbf7, #dff5ec);
}

.fake-nav {
  height: 8px;
  border-radius: 4px;
  background: rgba(12, 18, 16, 0.12);
  margin-bottom: 8px;
}

.fake-hero {
  height: 42px;
  border-radius: 6px;
  background: linear-gradient(135deg, #12c48b, #0a9a6c);
  margin-bottom: 8px;
  opacity: 0.95;
}

.fake-site.alt .fake-hero {
  background: linear-gradient(135deg, #ff4d2e, #ff7a3d);
}

.fake-site.wide .fake-hero {
  background: linear-gradient(135deg, #0c1210, #2a3a34);
}

.fake-line {
  height: 5px;
  border-radius: 3px;
  background: rgba(12, 18, 16, 0.12);
  margin-bottom: 5px;
}

.fake-line.short {
  width: 60%;
}

.fake-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-top: 8px;
  margin-bottom: 8px;
}

.fake-cards.three {
  grid-template-columns: 1fr 1fr 1fr;
}

.fake-cards div {
  height: 28px;
  border-radius: 5px;
  background: rgba(12, 18, 16, 0.08);
}

.fake-banner {
  height: 34px;
  border-radius: 6px;
  margin: 8px 0;
  background: linear-gradient(90deg, rgba(18, 196, 139, 0.35), rgba(10, 154, 108, 0.45));
}

.fake-site.alt .fake-banner {
  background: linear-gradient(90deg, rgba(255, 77, 46, 0.35), rgba(255, 122, 61, 0.4));
}

.fake-site.wide .fake-banner {
  background: linear-gradient(90deg, rgba(12, 18, 16, 0.25), rgba(18, 196, 139, 0.35));
}

.fake-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 4px;
  margin: 8px 0;
}

.fake-row div {
  height: 22px;
  border-radius: 4px;
  background: rgba(12, 18, 16, 0.1);
}

.fake-footer {
  height: 18px;
  border-radius: 4px;
  margin-top: 10px;
  margin-bottom: 4px;
  background: rgba(12, 18, 16, 0.14);
}

.preview-actions .pill:first-child {
  animation: sync-pill-pulse 9s ease-in-out infinite;
}

@keyframes sync-pill-pulse {
  0%,
  12%,
  90%,
  100% {
    box-shadow: none;
  }
  48%,
  58% {
    box-shadow: 0 0 0 3px rgba(18, 196, 139, 0.28);
  }
}

/* Role strip under hero */
.role-strip {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.45);
}

.role-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.role-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 550;
}

.role-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}

.role-pill[data-role="design"] {
  border-color: rgba(18, 196, 139, 0.35);
  background: var(--mint-soft);
  color: var(--mint-deep);
}

.role-pill[data-role="pm"] {
  border-color: rgba(255, 77, 46, 0.3);
  background: var(--signal-soft);
  color: #c4351c;
}

.role-pill[data-role="qa"] {
  border-color: rgba(12, 18, 16, 0.2);
  background: rgba(12, 18, 16, 0.06);
}

/* Loom demo player */
.demo-video {
  padding-top: 3.5rem;
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.loom-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-ink);
  box-shadow: var(--shadow);
}

.loom-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.demo-video-link {
  margin: 1rem 0 0;
  text-align: center;
}

.demo-video-link a {
  color: var(--mint-deep);
  font-weight: 650;
  font-size: 0.95rem;
}

.demo-video-link a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Stats */
.stats {
  padding: 4rem 0 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stat {
  text-align: left;
  padding: 1.35rem 1.4rem;
  background: var(--bg-elevated);
}

.stat strong {
  display: block;
  font-family: var(--display);
  font-size: 1.85rem;
  letter-spacing: -0.04em;
  margin-bottom: 0.2rem;
  font-weight: 750;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), transparent);
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.section-head.left {
  text-align: left;
  margin-left: 0;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  font-weight: 750;
}

.section-sub {
  color: var(--muted);
  margin: 0.9rem 0 0;
  font-size: 1.02rem;
}

.section-head.left .btn {
  margin-top: 1.4rem;
}

.section-head.compact {
  margin-bottom: 1.5rem;
}

.browsers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.browser-card {
  padding: 1.5rem 1.5rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.browser-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.browser-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.browser-card p {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.browser-card .btn {
  padding: 0.7rem 1.25rem;
  font-size: 0.92rem;
  min-width: 10.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  border-color: rgba(18, 196, 139, 0.4);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--mint-soft);
  margin-bottom: 0.95rem;
  font-size: 1.15rem;
}

.feature-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  font-family: var(--display);
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-cat {
  padding: 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.feature-cat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--mint);
}

.feature-cat:nth-child(2)::before {
  background: var(--signal);
}

.feature-cat:nth-child(3)::before {
  background: var(--bg-ink);
}

.feature-cat h3 {
  margin: 0 0 0.65rem;
  font-size: 1.08rem;
  font-family: var(--display);
  letter-spacing: -0.02em;
}

.feature-cat ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.feature-cat li {
  margin: 0.35rem 0;
}

/* How */
.how-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.step-num {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-weight: 750;
  font-family: var(--display);
  background: var(--bg-ink);
  color: #f4f6f3;
}

.steps h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
  font-family: var(--display);
  letter-spacing: -0.02em;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.audience-card {
  text-align: center;
  padding: 1rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-weight: 650;
  color: var(--text);
  font-size: 0.92rem;
}

.audience-grid.tight {
  margin-top: 1.25rem;
  grid-template-columns: repeat(4, 1fr);
}

/* Personas */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.persona-card {
  padding: 1.6rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.persona-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.persona-tag {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.persona-card[data-persona="design"] .persona-tag {
  background: var(--mint-soft);
  color: var(--mint-deep);
}

.persona-card[data-persona="pm"] .persona-tag {
  background: var(--signal-soft);
  color: #c4351c;
}

.persona-card[data-persona="qa"] .persona-tag {
  background: rgba(12, 18, 16, 0.08);
  color: var(--text);
}

.persona-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.persona-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

.persona-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.persona-card li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 1rem;
  position: relative;
  font-weight: 550;
}

.persona-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.persona-card[data-persona="pm"] li::before {
  background: var(--signal);
}

.persona-card[data-persona="qa"] li::before {
  background: var(--bg-ink);
}

/* Tools */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  min-height: 180px;
  transition: border-color 0.15s ease, transform 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.tool-card:hover {
  border-color: rgba(18, 196, 139, 0.4);
  transform: translateY(-2px);
}

.tool-card .tool-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.tool-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--display);
}

.tool-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mint-deep);
  background: var(--mint-soft);
  border: 1px solid rgba(18, 196, 139, 0.25);
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.tool-card .tool-link {
  font-weight: 650;
  font-size: 0.9rem;
  color: var(--mint-deep);
}

.tool-card .tool-link:hover {
  text-decoration: underline;
}

.disclosure {
  margin: 1.25rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
}

/* FAQ */
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  padding: 1rem 1.15rem;
  margin-bottom: 0.7rem;
  box-shadow: var(--shadow-sm);
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--display);
  letter-spacing: -0.015em;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--muted);
  font-size: 1.2rem;
  font-weight: 500;
  font-family: var(--font);
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  margin: 0.75rem 0 0.15rem;
  color: var(--muted);
}

.faq a {
  color: var(--mint-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* CTA band */
.cta-band {
  padding: 2rem 0 5rem;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.25rem 2rem;
  border-radius: 28px;
  border: 1px solid rgba(18, 196, 139, 0.25);
  background:
    radial-gradient(circle at 12% 20%, rgba(18, 196, 139, 0.18), transparent 42%),
    radial-gradient(circle at 88% 80%, rgba(255, 77, 46, 0.1), transparent 40%),
    var(--bg-elevated);
  box-shadow: var(--shadow);
}

.cta-inner h2 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  letter-spacing: -0.035em;
  font-weight: 750;
}

.cta-inner p {
  margin: 0;
  color: var(--muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  background: var(--bg-ink);
  color: #e8ede6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  margin-bottom: 0.75rem;
  color: #f4f6f3;
}

.footer-text {
  color: rgba(232, 237, 230, 0.62);
  margin: 0;
  max-width: 28rem;
  font-size: 0.94rem;
}

.site-footer h4 {
  margin: 0 0 0.8rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(232, 237, 230, 0.55);
  font-family: var(--mono);
}

.site-footer a {
  display: block;
  color: rgba(232, 237, 230, 0.62);
  margin-bottom: 0.45rem;
  font-size: 0.94rem;
}

.site-footer a:hover {
  color: #f4f6f3;
}

.site-footer a.btn-primary {
  display: inline-flex;
  color: #04140e;
  margin-bottom: 0;
}

.site-footer a.btn-primary:hover {
  color: #04140e;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
}

.footer-bottom p {
  color: rgba(232, 237, 230, 0.5);
  font-size: 0.84rem;
  margin: 0 0 0.75rem;
  max-width: 900px;
}

.footer-bottom .copy {
  margin-top: 1rem;
  margin-bottom: 0;
}

.footer-bottom a {
  color: #7eecc2;
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline;
}

.footer-cta {
  margin: 0.9rem 0 0;
}

body.nav-open {
  overflow: hidden;
}

/* website02 extras */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.proof-card {
  margin: 0;
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.proof-card p {
  margin: 0 0 0.75rem;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--display);
  letter-spacing: -0.015em;
  line-height: 1.45;
}

.proof-card footer {
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.cta-mid {
  padding: 0.5rem 0 2.5rem;
}

.cta-mid-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.cta-mid-inner p {
  margin: 0;
  font-weight: 650;
  font-family: var(--display);
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.diff-grid,
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.diff-card,
.usecase-card {
  padding: 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.diff-card:hover,
.usecase-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.diff-card h3,
.usecase-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  letter-spacing: -0.02em;
}

.diff-card p,
.usecase-card p {
  margin: 0;
  color: var(--muted);
}

.usecase-card a {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--mint-deep);
  font-weight: 650;
  font-size: 0.92rem;
}

.section-note {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.15rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: rgba(18, 196, 139, 0.1);
  font-size: 0.92rem;
  font-family: var(--display);
  letter-spacing: -0.015em;
}

.compare-table th:last-child {
  background: rgba(12, 18, 16, 0.06);
}

.compare-table td {
  color: var(--muted);
}

.compare-table td:last-child {
  color: var(--text);
  font-weight: 550;
}

.compare-table tr:last-child td {
  border-bottom: 0;
}

.center-links,
.center-cta {
  text-align: center;
  margin-top: 1.25rem;
}

.center-links a {
  color: var(--mint-deep);
  font-weight: 650;
}

.page-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 2rem;
}

.page-list a {
  display: block;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 650;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.page-list a:hover {
  border-color: rgba(18, 196, 139, 0.45);
  transform: translateY(-2px);
}

.page-list span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9rem;
}

/* Legal / privacy */
.legal-page {
  padding: 3.5rem 0 4rem;
}

.legal-page h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
  font-weight: 750;
}

.legal-lead {
  margin: 0 0 0.75rem;
  max-width: 40rem;
}

.legal-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.legal-meta a {
  color: var(--mint-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-block {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.legal-block:last-of-type {
  border-bottom: none;
}

.legal-block h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  font-family: var(--display);
}

.legal-block h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.02rem;
  color: var(--text);
}

.legal-block p,
.legal-block li {
  color: var(--muted);
  font-size: 0.98rem;
}

.legal-block p {
  margin: 0 0 0.75rem;
}

.legal-block ul {
  margin: 0.4rem 0 0.9rem;
  padding-left: 1.2rem;
}

.legal-block li {
  margin-bottom: 0.35rem;
}

.legal-block a {
  color: var(--mint-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-block code {
  font-size: 0.88em;
}

.legal-block address.company-legal {
  font-style: normal;
  margin: 0.85rem 0 0;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
}

.legal-block address.company-legal p {
  margin: 0 0 0.35rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.45;
}

.legal-block address.company-legal p:last-child {
  margin-bottom: 0;
}

.legal-back {
  margin: 2rem 0 0;
}

.legal-page a.btn {
  text-decoration: none;
}

.legal-page a.btn-primary {
  color: #04140e;
}

.legal-page a.btn-ghost {
  color: var(--text);
}

.legal-back a:not(.btn) {
  color: var(--mint-deep);
  font-weight: 650;
}

/* Cookie consent */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  padding: 0.85rem 1rem calc(0.85rem + env(safe-area-inset-bottom, 0px));
  background: rgba(12, 18, 16, 0.94);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #e8ede6;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.25rem;
}

.cookie-banner-copy {
  min-width: 0;
  flex: 1;
}

.cookie-banner-title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: #f4f6f3;
  font-family: var(--display);
}

.cookie-banner-text {
  margin: 0;
  color: rgba(232, 237, 230, 0.65);
  font-size: 0.9rem;
  line-height: 1.45;
}

.cookie-banner-text a {
  color: #7eecc2;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner-actions {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  justify-content: flex-end;
}

.cookie-banner .btn-ghost {
  color: #f4f6f3;
  border-color: rgba(255, 255, 255, 0.22);
}

.cookie-banner .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

body.cookie-banner-open {
  padding-bottom: 7.5rem;
}

/* Responsive */
@media (max-width: 960px) {
  .how-grid,
  .persona-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .audience-grid,
  .audience-grid.tight {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .proof-grid,
  .feature-cats,
  .diff-grid,
  .usecase-grid,
  .browsers-grid {
    grid-template-columns: 1fr;
  }

  .cta-mid-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem;
    background: rgba(244, 246, 243, 0.98);
    border-bottom: 1px solid var(--border);
  }

  body.nav-open .nav {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .feature-grid,
  .audience-grid,
  .audience-grid.tight,
  .stats-grid,
  .footer-grid,
  .persona-grid {
    grid-template-columns: 1fr;
  }

  .device-row {
    min-height: 0;
    gap: 0.45rem;
    padding: 2.4rem 0.5rem 1.4rem;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .device-row::before {
    font-size: 0.58rem;
    top: 0.85rem;
  }

  .device-bezel {
    padding: 6px;
    border-radius: 14px;
  }

  .device-bezel.phone {
    width: 74px;
  }

  .device-bezel.phone.tall {
    width: 70px;
  }

  .device-bezel.tablet {
    display: block;
    width: 108px;
    border-radius: 12px;
  }

  .device-screen {
    height: 148px;
    border-radius: 10px;
  }

  .device-bezel.phone.tall .device-screen {
    height: 160px;
  }

  .device-bezel.tablet .device-screen {
    height: 138px;
    border-radius: 7px;
  }

  .device-mock {
    gap: 0.4rem;
    min-width: 0;
  }

  .device-mock::after {
    font-size: 0.58rem;
    text-align: center;
    max-width: 7.5rem;
    line-height: 1.2;
  }

  .preview-toolbar {
    gap: 0.45rem;
    padding: 0.7rem 0.85rem;
  }

  .preview-title {
    font-size: 0.72rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .preview-actions {
    display: none;
  }

  .fake-hero {
    height: 32px;
  }

  .fake-cards div {
    height: 20px;
  }

  .hero {
    padding-top: 1.75rem;
  }

  .hero-copy {
    padding-bottom: 1.5rem;
  }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner-actions {
    width: 100%;
  }

  .cookie-banner-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    text-align: center;
  }

  body.cookie-banner-open {
    padding-bottom: 11rem;
  }

  .role-strip-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 380px) {
  .device-row {
    gap: 0.3rem;
    padding: 2.2rem 0.35rem 1.1rem;
  }

  .device-bezel.phone {
    width: 62px;
  }

  .device-bezel.phone.tall {
    width: 58px;
  }

  .device-bezel.tablet {
    width: 90px;
  }

  .device-screen {
    height: 124px;
  }

  .device-bezel.phone.tall .device-screen {
    height: 134px;
  }

  .device-bezel.tablet .device-screen {
    height: 116px;
  }

  .device-mock::after {
    font-size: 0.52rem;
    max-width: 5.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .feature-card,
  .tool-card,
  .persona-card,
  .browser-card,
  .diff-card,
  .usecase-card,
  .device-mock {
    transition: none;
  }

  .fake-scroll,
  .preview-actions .pill:first-child,
  .dot,
  .hero-copy,
  .hero-visual,
  .hero-brand-mark .mark-msim::after {
    animation: none !important;
  }
}