/* =========================================================================
   Sayable — marketing site styles
   Zero dependencies, zero third-party requests. Light + dark. A11y-first.
   ========================================================================= */

:root {
  /* Brand ink + surfaces (light) */
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --surface: #f8fafc;
  --surface-2: #eef2f7;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;

  /* Accent */
  --accent: #0ea5e9;
  --accent-2: #38bdf8;
  --accent-ink: #075985;
  --accent-wash: #e0f2fe;

  /* Vocabulary palette (from the app) — the site's "joy" colors */
  --cat-people: #ffe08a; /* yellow  · circle   */
  --cat-action: #a7e3a7; /* green   · triangle */
  --cat-describe: #a9c8f5; /* blue  · diamond  */
  --cat-thing: #ffc9a3; /* orange  · square   */
  --cat-social: #f3b6d6; /* pink    · heart    */
  --cat-folder: #d7dbe0; /* grey    · folder   */

  /* Shape geometry */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 34px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 0 rgba(15, 23, 42, 0.04);
  --shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.16);
  --shadow-tile: 0 2px 0 rgba(15, 23, 42, 0.1);

  --maxw: 1120px;

  --font: ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, -apple-system, Roboto,
    Helvetica, Arial, sans-serif;

  color-scheme: light;
}

/* Dark theme — via OS preference (unless user forced light) or explicit toggle */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8eef7;
    --ink-2: #b7c2d3;
    --ink-3: #8595ab;
    --surface: #0b1120;
    --surface-2: #0f172a;
    --panel: #172033;
    --panel-2: #1e293b;
    --line: #2a3650;
    --line-strong: #3a4a68;
    --accent-wash: #0b2b3f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.55);
    --shadow-tile: 0 2px 0 rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --ink: #e8eef7;
  --ink-2: #b7c2d3;
  --ink-3: #8595ab;
  --surface: #0b1120;
  --surface-2: #0f172a;
  --panel: #172033;
  --panel-2: #1e293b;
  --line: #2a3650;
  --line-strong: #3a4a68;
  --accent-wash: #0b2b3f;
  --accent-ink: #7dd3fc; /* brighten accent text for contrast on dark */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.55);
  --shadow-tile: 0 2px 0 rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.6;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 800;
}

p {
  margin: 0;
}

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 40px);
}
.wrap.narrow {
  max-width: 760px;
}
.center {
  text-align: center;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
  text-decoration: none;
}

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
  --btn-bg: var(--panel);
  --btn-fg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 700;
  line-height: 1;
  padding: 12px 18px;
  border-radius: 999px;
  border: 2px solid transparent;
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease,
    border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn-lg {
  padding: 15px 26px;
  font-size: 1.05rem;
}

.btn-primary {
  --btn-bg: var(--accent);
  --btn-fg: #fff;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
}
.btn-primary:hover {
  --btn-bg: #0284c7;
  box-shadow: 0 10px 26px rgba(14, 165, 233, 0.45);
}

.btn-ghost {
  --btn-fg: var(--ink);
  background: var(--panel);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex: 0 0 auto;
}
.brand-word {
  color: var(--ink);
}

.site-nav {
  margin-left: 12px;
  display: flex;
  gap: 4px;
}
.site-nav a {
  color: var(--ink-2);
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav a:hover {
  background: var(--panel-2);
  color: var(--ink);
  text-decoration: none;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  position: relative;
  padding-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(30px, 6vw, 70px);
  background:
    radial-gradient(60% 70% at 12% 0%, rgba(255, 224, 138, 0.35), transparent 60%),
    radial-gradient(55% 65% at 92% 8%, rgba(169, 200, 245, 0.4), transparent 60%),
    radial-gradient(70% 60% at 60% 100%, rgba(243, 182, 214, 0.28), transparent 65%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}
.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-ink);
  background: var(--accent-wash);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.eyebrow-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent);
}

.hero-title {
  font-size: clamp(2.6rem, 1.6rem + 4.4vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
}
.grad {
  background: linear-gradient(100deg, var(--accent) 10%, #22c55e 55%, #ec4899 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 22px;
  font-size: clamp(1.08rem, 1rem + 0.4vw, 1.3rem);
  color: var(--ink-2);
  max-width: 34em;
}

.hero-cta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-cta.center {
  justify-content: center;
}

.trust-row {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}
.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-2);
}

/* Hero art — a floating mini board */
.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 320px;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.55;
  z-index: 0;
}
.blob-a {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, var(--cat-people), transparent 70%);
  top: -20px;
  right: 10px;
}
.blob-b {
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, var(--cat-describe), transparent 70%);
  bottom: -30px;
  left: 0;
}

.mini-board {
  position: relative;
  z-index: 1;
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-lg);
  transform: rotate(-2.5deg);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty {
  0%,
  100% {
    transform: rotate(-2.5deg) translateY(0);
  }
  50% {
    transform: rotate(-2.5deg) translateY(-10px);
  }
}
.mini-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  margin-bottom: 12px;
}
.mini-chip {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 10px;
  font-weight: 700;
  font-size: 0.9rem;
}
.mini-chip.more {
  opacity: 0.5;
}
.mini-speak {
  margin-left: auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--accent);
  border-radius: 9px;
  font-size: 1rem;
}
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mini-tile {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: var(--c);
  border: 2px solid rgba(15, 23, 42, 0.12);
  border-radius: 14px;
  font-size: clamp(1.3rem, 4.5vw, 1.9rem);
  color: #0f172a;
  box-shadow: var(--shadow-tile);
}
.mini-tile b {
  font-size: 0.72rem;
  font-weight: 800;
}
.mini-tile.folder {
  box-shadow: 4px 4px 0 -1px var(--c), 4px 4px 0 1px rgba(15, 23, 42, 0.18),
    var(--shadow-tile);
}

/* =========================================================================
   Sections (shared)
   ========================================================================= */
.section {
  padding-block: clamp(56px, 8vw, 104px);
}
.section-head {
  max-width: 720px;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.section-head.center {
  margin-inline: auto;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent-ink);
  margin-bottom: 14px;
}
.kicker.light {
  color: var(--accent-2);
}
.section h2 {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem);
}
.section-lead {
  margin-top: 16px;
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  color: var(--ink-2);
}

/* =========================================================================
   Live demo
   ========================================================================= */
.demo-section {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
}
.demo {
  max-width: 720px;
  margin-inline: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.demo-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: #0f172a; /* mirrors the app's always-dark topbar, in both themes */
  color: #e2e8f0;
}
.demo-crumb {
  font-weight: 800;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.demo-crumb::before {
  content: "📍";
}
.demo-toggles {
  display: flex;
  align-items: center;
  gap: 10px;
}
.mini-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: #cbd5e1;
  user-select: none;
}
.mini-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.mini-switch-track {
  width: 40px;
  height: 23px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
  position: relative;
  transition: background 0.15s ease;
  flex: 0 0 auto;
}
.mini-switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s ease;
}
.mini-switch input:checked + .mini-switch-track {
  background: var(--accent);
}
.mini-switch input:checked + .mini-switch-track::after {
  transform: translateX(17px);
}
.mini-switch input:focus-visible + .mini-switch-track {
  outline: 3px solid var(--accent-2);
  outline-offset: 2px;
}

.utterance {
  display: flex;
  gap: 10px;
  padding: 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.strip {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-height: 60px;
  padding: 8px 14px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--ink);
  overflow-x: auto;
}
.strip:hover {
  border-color: var(--line-strong);
}
.placeholder {
  color: var(--ink-3);
  font-size: 1.05rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.chip .chip-sym {
  font-size: 1.2rem;
}
.bar-actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}
.bar-btn {
  font: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 52px;
  padding: 0 12px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink-2);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}
.bar-btn:active {
  transform: translateY(1px);
}
.bar-btn.speak {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.35);
}
.bar-btn.speaking {
  animation: speakpulse 0.6s ease infinite;
}
@keyframes speakpulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.5);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(14, 165, 233, 0);
  }
}

.board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), 1fr);
  gap: 10px;
  padding: 14px;
}
.tile {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px;
  border: 2px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius);
  background: var(--tile-bg, #fff);
  color: #0f172a;
  cursor: pointer;
  font: inherit;
  box-shadow: var(--shadow-tile);
  transition: transform 0.06s ease, box-shadow 0.15s ease;
  -webkit-user-select: none;
  user-select: none;
}
.tile:hover {
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.16);
}
.tile:active {
  transform: scale(0.95);
}
.tile.pop {
  animation: pop 0.28s ease;
}
@keyframes pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}
.tile-sym {
  font-size: clamp(1.7rem, 8vw, 2.6rem);
  line-height: 1;
}
.tile-label {
  font-size: clamp(0.72rem, 2.6vw, 0.95rem);
  font-weight: 800;
  text-align: center;
  line-height: 1.1;
}
.tile.folder {
  border-color: rgba(15, 23, 42, 0.22);
  box-shadow: 5px 5px 0 -1px var(--tile-bg, #fff), 5px 5px 0 1px rgba(15, 23, 42, 0.18),
    var(--shadow-tile);
}
.tile .cat-badge {
  position: absolute;
  top: 5px;
  right: 6px;
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12);
}
.tile .cat-badge svg {
  width: 12px;
  height: 12px;
  fill: #1f2937;
}

.demo-note {
  margin: 0;
  padding: 12px 16px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
}
.demo-foot {
  max-width: 620px;
  margin: 26px auto 0;
  text-align: center;
  color: var(--ink-2);
}

/* =========================================================================
   Why free — price comparison
   ========================================================================= */
.price-compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}
.price-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.price-card.muted {
  opacity: 0.92;
}
.price-tag {
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--ink-3);
}
.price-tag span {
  font-size: 0.5em;
  font-weight: 800;
  color: var(--ink-3);
}
.price-tag.free {
  color: #16a34a;
}
.price-label {
  margin-top: 6px;
  font-weight: 800;
  font-size: 1.15rem;
}
.price-desc {
  margin-top: 10px;
  color: var(--ink-2);
  font-size: 0.98rem;
}
.price-card.highlight {
  background: linear-gradient(165deg, #ecfdf5, #e0f2fe);
  border: 2px solid #34d399;
  box-shadow: 0 20px 44px rgba(16, 185, 129, 0.22);
  transform: translateY(-6px);
  position: relative;
}
:root[data-theme="dark"] .price-card.highlight {
  background: linear-gradient(165deg, #0c2f26, #0b2b3f);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .price-card.highlight {
    background: linear-gradient(165deg, #0c2f26, #0b2b3f);
  }
}
.price-badge {
  display: inline-block;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: #047857;
  background: #d1fae5;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.price-fineprint {
  margin-top: 22px;
  text-align: center;
  color: var(--ink-3);
  font-size: 0.86rem;
  max-width: 760px;
  margin-inline: auto;
}

/* =========================================================================
   Features
   ========================================================================= */
.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}
.feature-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 22px 22px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 5px;
  background: var(--c);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-ico {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--c);
  font-size: 1.6rem;
  margin-bottom: 14px;
  box-shadow: var(--shadow-tile);
}
.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--ink-2);
  font-size: 0.98rem;
}

/* =========================================================================
   How it works
   ========================================================================= */
.how-section {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.step-num {
  position: absolute;
  top: 16px;
  left: 20px;
  font-weight: 900;
  font-size: 0.9rem;
  color: #fff;
  background: var(--accent);
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.step-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
}
.step h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.step p {
  color: var(--ink-2);
}
.step-cta {
  margin-top: 16px;
}

/* =========================================================================
   Set it up (install)
   ========================================================================= */
.install-section {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.device-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.device-list li {
  color: var(--ink-2);
  font-size: 0.97rem;
  line-height: 1.45;
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.device-list b {
  color: var(--ink);
}
.install-note {
  max-width: 640px;
  margin: 26px auto 0;
  text-align: center;
  color: var(--ink-2);
  background: var(--accent-wash);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 0.97rem;
}

/* =========================================================================
   Who it's for
   ========================================================================= */
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.who-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
}
.who-ico {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 12px;
}
.who-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.who-card p {
  color: var(--ink-2);
  font-size: 0.98rem;
}

/* =========================================================================
   Pledge
   ========================================================================= */
.pledge-section {
  padding-block: 0;
}
.pledge {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(24px, 5vw, 60px);
  align-items: center;
  background: linear-gradient(145deg, #0f172a, #0b2b3f 60%, #134e4a);
  color: #e2e8f0;
  border-radius: var(--radius-xl);
  padding: clamp(36px, 6vw, 72px);
  box-shadow: var(--shadow-lg);
  margin-block: clamp(24px, 5vw, 48px);
}
.pledge-mark {
  display: grid;
  place-items: center;
}
.pledge-zero {
  font-size: clamp(5rem, 4rem + 8vw, 11rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(120deg, var(--accent-2), #34d399 60%, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 8px 30px rgba(56, 189, 248, 0.4));
}
.pledge-copy h2 {
  font-size: clamp(1.7rem, 1.3rem + 2vw, 2.7rem);
  color: #fff;
}
.pledge-copy p {
  margin-top: 16px;
  color: #cbd5e1;
  font-size: 1.1rem;
}
.pledge-cta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 800;
  font-size: 1.08rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.2s ease;
  flex: 0 0 auto;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item p {
  padding: 0 22px 20px;
  color: var(--ink-2);
}
.faq-item a {
  font-weight: 700;
}

/* =========================================================================
   Final CTA
   ========================================================================= */
.final-cta {
  background:
    radial-gradient(50% 80% at 20% 0%, rgba(167, 227, 167, 0.4), transparent 60%),
    radial-gradient(55% 80% at 85% 100%, rgba(169, 200, 245, 0.4), transparent 60%);
}
.final-cta h2 {
  font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem);
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  padding-top: clamp(48px, 6vw, 72px);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-tag {
  margin-top: 14px;
  color: var(--ink-2);
  max-width: 26em;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.footer-col a {
  color: var(--ink-2);
  font-weight: 600;
}
.footer-col a:hover {
  color: var(--accent-ink);
}
.footer-fine {
  border-top: 1px solid var(--line);
  padding-block: 24px 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-3);
  font-size: 0.85rem;
}
.footer-fine p {
  max-width: 66ch;
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-art {
    order: -1;
    min-height: 0;
    margin-bottom: 8px;
  }
  .mini-board {
    width: min(360px, 100%);
  }
  .pledge {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .pledge-cta {
    justify-content: center;
  }
  .price-compare {
    grid-template-columns: 1fr;
  }
  .price-card.highlight {
    transform: none;
    order: -1;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 680px) {
  .site-nav {
    display: none;
  }
  .btn-github span {
    display: none;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
  /* Keep the decorative hero board fully on-screen and the title from clipping */
  .hero-title {
    font-size: clamp(2.1rem, 1.2rem + 4.6vw, 3rem);
  }
  .hero-art {
    padding-inline: 0;
    overflow: hidden;
  }
  /* .hero-art specificity beats the reduced-motion .mini-board rotation rule */
  .hero-art .mini-board {
    width: min(300px, 100%);
    max-width: 300px;
    margin-inline: auto;
    transform: none;
    animation: none;
  }
}

@media (max-width: 420px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
}

/* =========================================================================
   Reduced motion
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .mini-board {
    transform: rotate(-2.5deg);
  }
}