/* =====================================================================
   Fit Checker — marketing site
   Mirrors the extension's "Instrument Lab" aesthetic, scaled up for web.
   ===================================================================== */

/* ---------- THEMES ---------- */
:root,
[data-theme="midnight"] {
  --bg:           #0a0e17;
  --bg-elev:      #131826;
  --bg-elev-2:    #1a2236;
  --bg-glow:      radial-gradient(60% 50% at 20% 0%, rgba(106,169,255,0.10), transparent 70%),
                  radial-gradient(60% 60% at 100% 50%, rgba(176,139,255,0.08), transparent 70%);
  --border:       #2a3245;
  --border-soft:  #1d2436;
  --text:         #e8edf7;
  --text-soft:    #b9c2d4;
  --muted:        #6f7a93;
  --accent:       #6aa9ff;
  --accent-2:     #b08bff;
  --accent-soft:  rgba(106,169,255,0.16);
  --ok:           #4adf8c;
  --warn:         #f0b835;
  --err:          #ff6e6e;
  --grain-opacity: 0.04;
  --serif-axes:   "opsz" 24, "SOFT" 50;
}

[data-theme="aurora"] {
  --bg:           #0e0521;
  --bg-elev:      #1a0c33;
  --bg-elev-2:    #261146;
  --bg-glow:      radial-gradient(60% 60% at 0% 0%, rgba(255,95,182,0.18), transparent 70%),
                  radial-gradient(60% 60% at 100% 60%, rgba(108,209,255,0.18), transparent 70%);
  --border:       #3a1d63;
  --border-soft:  #281148;
  --text:         #fbeefe;
  --text-soft:    #d4c2e8;
  --muted:        #8a7aaf;
  --accent:       #ff5fb6;
  --accent-2:     #6cd1ff;
  --accent-soft:  rgba(255,95,182,0.18);
  --ok:           #5dffaa;
  --warn:         #ffce4f;
  --err:          #ff6b85;
  --grain-opacity: 0.05;
  --serif-axes:   "opsz" 30, "SOFT" 100;
}

[data-theme="daylight"] {
  --bg:           #fdf8f0;
  --bg-elev:      #ffffff;
  --bg-elev-2:    #f5ead6;
  --bg-glow:      radial-gradient(60% 50% at 0% 0%, rgba(217,119,6,0.10), transparent 70%),
                  radial-gradient(60% 60% at 100% 50%, rgba(190,108,46,0.08), transparent 70%);
  --border:       #e7d6b7;
  --border-soft:  #f0e4cc;
  --text:         #2b1d10;
  --text-soft:    #5a4530;
  --muted:        #9a8567;
  --accent:       #c2410c;
  --accent-2:     #ad7b3b;
  --accent-soft:  rgba(194,65,12,0.10);
  --ok:           #047857;
  --warn:         #b45309;
  --err:          #b91c1c;
  --grain-opacity: 0.06;
  --serif-axes:   "opsz" 28, "SOFT" 30;
}

[data-theme="forest"] {
  --bg:           #08110d;
  --bg-elev:      #0f1f18;
  --bg-elev-2:    #14302a;
  --bg-glow:      radial-gradient(60% 50% at 20% 0%, rgba(52,211,153,0.14), transparent 70%),
                  radial-gradient(60% 60% at 100% 50%, rgba(132,204,22,0.08), transparent 70%);
  --border:       #1f3b32;
  --border-soft:  #15281f;
  --text:         #e3f5e9;
  --text-soft:    #b2cdb9;
  --muted:        #6f8a7a;
  --accent:       #34d399;
  --accent-2:     #a3e635;
  --accent-soft:  rgba(52,211,153,0.14);
  --ok:           #34d399;
  --warn:         #fbbf24;
  --err:          #fb7185;
  --grain-opacity: 0.04;
  --serif-axes:   "opsz" 24, "SOFT" 60;
}

[data-theme="mono"] {
  --bg:           #0c0c0c;
  --bg-elev:      #161616;
  --bg-elev-2:    #1f1f1f;
  --bg-glow:      none;
  --border:       #2c2c2c;
  --border-soft:  #1f1f1f;
  --text:         #f5f5f5;
  --text-soft:    #c0c0c0;
  --muted:        #6c6c6c;
  --accent:       #ffffff;
  --accent-2:     #cfcfcf;
  --accent-soft:  rgba(255,255,255,0.10);
  --ok:           #ffffff;
  --warn:         #cfcfcf;
  --err:          #ff5555;
  --grain-opacity: 0.03;
  --serif-axes:   "opsz" 24, "SOFT" 0;
}

/* ---------- BASE ---------- */
:root {
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:    "Geist", ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --max:          1200px;
  --pad:          clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.45s ease, color 0.45s ease;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* film grain */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

.mono { font-family: var(--font-mono); font-size: 0.9em; }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--pad);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.brand-name { line-height: 1; }
.brand-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  padding: 2px 6px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--text-soft);
}
.nav-links a {
  position: relative;
  padding: 4px 2px;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- THEME SWITCHER ---------- */
.theme-switcher { position: relative; }
.theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  color: var(--text-soft);
  padding: 8px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.theme-btn:hover { color: var(--text); transform: translateY(-1px); border-color: var(--border); }

.theme-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  min-width: 180px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
  z-index: 60;
  animation: menuIn 0.15s ease-out;
}
.theme-menu[hidden] { display: none; }
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.theme-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--text-soft);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}
.theme-opt:hover { background: var(--bg-elev-2); color: var(--text); }
.theme-opt[aria-current="true"] { background: var(--accent-soft); color: var(--text); }
.theme-swatch {
  width: 18px; height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  padding: 10px 18px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-soft);
}
.btn-primary.big { padding: 14px 26px; font-size: 15px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-ghost:hover { background: var(--bg-elev); border-color: var(--text-soft); transform: translateY(-2px); }
.btn-ghost.big { padding: 14px 26px; font-size: 15px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 60px var(--pad) 80px;
  max-width: var(--max);
  margin: 0 auto;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.6;
  animation: orbFloat 14s ease-in-out infinite;
}
.orb-1 {
  background: var(--accent);
  top: -200px; left: -150px;
}
.orb-2 {
  background: var(--accent-2);
  bottom: -250px; right: -150px;
  animation-delay: -7s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(40px, -30px) scale(1.08); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  padding: 6px 12px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
}
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 400;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 18px 0 22px;
  animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  padding: 0 0.08em 0.04em 0.02em;
  margin: 0 -0.06em;
}
.strike {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--err);
  color: var(--muted);
  font-style: italic;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  font-size: 17.5px;
  color: var(--text-soft);
  max-width: 540px;
  line-height: 1.55;
  margin: 0 0 32px;
  animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.1s both;
}
.hero-sub .mono {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent);
  font-size: 0.85em;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s both;
}

.hero-meta {
  list-style: none;
  display: flex;
  gap: 28px;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-mono);
  animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s both;
}
.hero-meta strong {
  color: var(--text);
  font-weight: 600;
  margin-right: 4px;
}

/* ---------- HERO MOCK ----------
   This mockup faithfully represents the real extension popup. */
.hero-mock {
  position: relative;
  perspective: 1200px;
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s both;
}
.mock-frame {
  width: 400px;
  margin-left: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 30px 80px -30px rgba(0,0,0,0.6),
    0 1px 0 rgba(255,255,255,0.04) inset;
  transform: rotate(-1.2deg);
  transition: transform 0.4s ease;
}
.mock-frame:hover { transform: rotate(0deg) translateY(-4px); }

.mock-popup {
  padding: 16px;
  background: var(--bg);
  background-image:
    radial-gradient(120% 80% at 0% 0%, var(--accent-soft), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 55%);
  font-size: 13px;
}

/* header */
.mock-popup-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 14px;
}
.mock-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
  position: relative;
  border: 1px solid var(--border-soft);
}
.mock-mark::before {
  content: "Fit";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-style: italic;
  font-size: 13px;
  color: var(--bg);
  font-weight: 600;
}
.mock-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.mock-h1 {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.mock-version {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-top: 1px;
}
.mock-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 11px;
  padding: 5px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--text-soft);
}
.mock-pill-dot {
  width: 8px; height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

/* hero card */
.mock-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}
.mock-card.mock-hero {
  background-image: linear-gradient(135deg, transparent 50%, var(--accent-soft) 220%);
}
.mock-eyebrow {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}
.mock-eyebrow span {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.mock-eyebrow em {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-style: italic;
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
}

.mock-gauge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.mock-gauge {
  flex: 1;
  height: 26px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  overflow: hidden;
  display: flex;
}
/* Width is driven by JS (script.js → setupGaugeAnimation) so the fill,
   the headroom slot, the readout number, and the legend all stay in
   lock-step. Smooth transitions keep movement liquid between frames. */
.mock-gauge-fill {
  height: 100%;
  width: 95.8%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-soft);
  transition: width 0.06s linear;
}
.mock-gauge-head {
  height: 100%;
  width: 4.2%;
  background-color: var(--bg-elev-2);
  background-image: repeating-linear-gradient(
    -45deg, transparent 0, transparent 4px,
    color-mix(in srgb, var(--muted) 30%, transparent) 4px,
    color-mix(in srgb, var(--muted) 30%, transparent) 5px
  );
  border-left: 1px solid var(--border);
  transition: width 0.06s linear;
}

.mock-readout {
  display: flex;
  align-items: baseline;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  padding: 4px 10px;
  font-family: var(--font-mono);
}
.mock-num { font-size: 18px; font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.mock-unit { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }

.mock-legend {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.mock-leg { display: inline-flex; align-items: center; gap: 5px; }
.mock-leg b { color: var(--text); font-weight: 600; }
.mock-leg i {
  width: 9px; height: 9px;
  border-radius: 2px;
  flex-shrink: 0;
}
.mock-leg.model i { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.mock-leg.head i {
  background-image: repeating-linear-gradient(
    -45deg, var(--bg-elev-2) 0, var(--bg-elev-2) 2px,
    color-mix(in srgb, var(--muted) 50%, transparent) 2px,
    color-mix(in srgb, var(--muted) 50%, transparent) 3px
  );
  border: 1px solid var(--border);
}

.mock-presets {
  display: flex;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.mock-presets span {
  flex: 1;
  text-align: center;
  padding: 4px 0;
  border-radius: 5px;
  border: 1px solid var(--border-soft);
  color: var(--muted);
}
.mock-presets .active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* tabs */
.mock-tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  margin-bottom: 12px;
}
.mock-tab {
  flex: 1;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  padding: 6px 4px;
  border-radius: 6px;
  color: var(--muted);
}
.mock-tab.active {
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* fields inside hardware card */
.mock-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
}
.mock-field + .mock-field {
  border-top: 1px dashed var(--border-soft);
  margin-top: 4px;
  padding-top: 10px;
}
.mock-field-label {
  font-size: 12.5px;
  color: var(--text);
  font-weight: 500;
}
.mock-seg {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.mock-seg span {
  padding: 4px 12px;
  border-radius: 5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.mock-seg span.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.mock-input {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 10px;
  color: var(--text);
}
.mock-input em {
  font-style: normal;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: 4px;
}

/* ---------- MARQUEE ---------- */
.marquee {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elev);
  overflow: hidden;
  position: relative;
  z-index: 2;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 80s linear infinite;
}
.marquee-set {
  display: flex;
  gap: 28px;
  padding: 16px 28px 16px 0;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-soft);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- SECTIONS ---------- */
.features, .themes-section, .how, .faq {
  max-width: var(--max);
  margin: 0 auto;
  padding: 100px var(--pad);
  position: relative;
  z-index: 2;
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-title {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 16px 0 16px;
}
.section-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  padding: 0 0.08em 0.04em 0.02em;
  margin: 0 -0.06em;
}
.section-sub {
  font-size: 16px;
  color: var(--text-soft);
  margin: 0;
  max-width: 580px;
}

/* ---------- FEATURE GRID ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.feature {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 28px;
  grid-column: span 3;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--border);
}
.feature-lg { grid-column: span 4; }
.feature-wide { grid-column: span 6; }

.feature-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}
.feature h3 {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  line-height: 1.15;
}
.feature p {
  margin: 0 0 22px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.55;
}
.feature p .ok   { color: var(--ok);   font-weight: 600; }
.feature p .warn { color: var(--warn); font-weight: 600; }
.feature p .err  { color: var(--err);  font-weight: 600; }
.feature p .mono {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.85em;
}

/* feature art */
.feature-art {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.art-fit { display: grid; gap: 8px; }
.art-fit .bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  overflow: hidden;
}
.art-fit .bar > span {
  position: absolute;
  inset: 0;
  width: var(--p);
  background: var(--c);
  opacity: 0.18;
  transition: width 0.4s;
}
.art-fit .bar b { position: relative; z-index: 1; font-weight: 500; }
.art-fit .bar i {
  position: relative;
  z-index: 1;
  margin-left: auto;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
  color: var(--c);
  font-weight: 600;
}

.art-rt { display: flex; flex-wrap: wrap; gap: 6px; }
.art-rt span {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  font-size: 11.5px;
}
.art-rt .rt-ok   { color: var(--ok);   border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.art-rt .rt-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.art-rt .rt-no   { color: var(--muted); text-decoration: line-through; opacity: 0.6; }

.art-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.card-mini {
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  font-size: 11.5px;
}
.card-mini b { font-weight: 500; }
.card-mini i { font-style: normal; color: var(--text-soft); }
.card-mini.fit-yes { border-color: color-mix(in srgb, var(--ok) 30%, var(--border-soft)); }
.card-mini.fit-yes i { color: var(--ok); }
.card-mini.fit-no { opacity: 0.4; text-decoration: line-through; }

.art-hide { display: grid; gap: 6px; font-family: var(--font-body); font-size: 13px; }
.hide-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
}
.check {
  width: 14px; height: 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  flex-shrink: 0;
  position: relative;
}
.check.on {
  background: var(--accent);
  border-color: var(--accent);
}
.check.on::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 4px;
  width: 4px;
  height: 7px;
  border: solid var(--bg);
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}
.line.strike { text-decoration: line-through; color: var(--muted); }
.hide-code {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  padding: 8px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-soft);
  margin-top: 6px;
}

.art-dossier { display: grid; place-items: start; }
.dossier {
  width: 100%;
  max-width: 360px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  box-shadow: 0 14px 40px -16px rgba(0,0,0,0.5);
}
.d-head {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-size: 17px;
  margin-bottom: 4px;
  color: var(--accent);
}
.d-meta { color: var(--muted); font-size: 11px; margin-bottom: 10px; }
.d-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border-soft);
}
.d-row:last-of-type { border-bottom: none; }
.d-row .ok { color: var(--ok); font-weight: 600; }
.d-tags { display: flex; gap: 5px; margin-top: 10px; flex-wrap: wrap; }
.d-tags span {
  font-size: 10.5px;
  padding: 2px 8px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--text-soft);
}

/* ---------- THEMES ---------- */
.themes-section { padding-bottom: 60px; }
.theme-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.theme-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
}
.theme-card:hover { transform: translateY(-4px); border-color: var(--border); }
.theme-card[aria-current="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.theme-card-art {
  height: 140px;
  position: relative;
  overflow: hidden;
}
.theme-card-art .art-orb {
  position: absolute;
  width: 120px; height: 120px;
  border-radius: 50%;
  filter: blur(30px);
  top: -20px; right: -20px;
}
.theme-card-art .art-line {
  position: absolute;
  height: 6px;
  border-radius: 3px;
  bottom: 30px;
  left: 18px;
  width: 60%;
}
.theme-card-art .art-line.short { width: 30%; bottom: 18px; opacity: 0.5; }

.midnight-art { background: linear-gradient(135deg, #0a0e17 0%, #1a2236 100%); }
.midnight-art .art-orb { background: #6aa9ff; }
.midnight-art .art-line { background: linear-gradient(90deg, #6aa9ff, #b08bff); }

.aurora-art { background: linear-gradient(135deg, #0e0521 0%, #261146 100%); }
.aurora-art .art-orb { background: #ff5fb6; }
.aurora-art .art-line { background: linear-gradient(90deg, #ff5fb6, #6cd1ff); }

.daylight-art { background: linear-gradient(135deg, #fdf8f0 0%, #f5ead6 100%); }
.daylight-art .art-orb { background: #c2410c; opacity: 0.5; }
.daylight-art .art-line { background: linear-gradient(90deg, #c2410c, #ad7b3b); }

.forest-art { background: linear-gradient(135deg, #08110d 0%, #14302a 100%); }
.forest-art .art-orb { background: #34d399; }
.forest-art .art-line { background: linear-gradient(90deg, #34d399, #a3e635); }

.mono-art { background: linear-gradient(135deg, #0c0c0c 0%, #1f1f1f 100%); }
.mono-art .art-orb { background: #ffffff; opacity: 0.4; }
.mono-art .art-line { background: #ffffff; }
.mono-art .art-line.short { background: #cfcfcf; }

.theme-card-meta {
  padding: 14px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.theme-card-name {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.theme-card-desc {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- HOW IT WORKS ---------- */
.how-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.how-steps li {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}
.how-steps li::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
}
.how-num {
  display: block;
  font-family: var(--font-display);
  font-size: 38px;
  font-variation-settings: "opsz" 144, "SOFT" 0;
  color: var(--accent);
  margin-bottom: 12px;
  position: relative;
}
.how-steps h3 {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  position: relative;
}
.how-steps p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  position: relative;
}
.how-steps p .mono {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}

/* ---------- FAQ ---------- */
.faq-list {
  display: grid;
  gap: 8px;
  max-width: 820px;
}
.faq details {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 0 22px;
  transition: border-color 0.2s, background 0.2s;
}
.faq details[open] {
  background: var(--bg-elev-2);
  border-color: var(--border);
}
.faq summary {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.015em;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 36px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--accent);
  transition: transform 0.2s;
}
.faq details[open] summary::after { content: "−"; transform: translateY(-50%) rotate(180deg); }
.faq details p {
  margin: 0 0 22px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- INSTALL CTA ---------- */
.install {
  position: relative;
  padding: 100px var(--pad);
  text-align: center;
  z-index: 2;
}
.install::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 50% 50%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.install-inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 40px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.5);
}
.install h2 {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 16px 0;
}
.install h2 em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  padding: 0 0.08em 0.04em 0.02em;
  margin: 0 -0.06em;
}
.install p {
  color: var(--text-soft);
  font-size: 16px;
  margin: 0 0 28px;
}
.install-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.install-code {
  display: inline-block;
  background: var(--bg);
  border: 1px dashed var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-soft);
}

/* ---------- FOOTER ---------- */
.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px var(--pad) 48px;
  border-top: 1px solid var(--border-soft);
  display: grid;
  gap: 12px;
  position: relative;
  z-index: 2;
}
.foot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.foot-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.foot-row.dim {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  opacity: 0.7;
}
.foot-domain {
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: opacity 0.15s;
}
.foot-domain:hover { opacity: 0.8; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-mock { max-width: 480px; margin: 0 auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature, .feature-lg, .feature-wide { grid-column: span 1; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 540px) {
  .theme-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 16px; flex-wrap: wrap; }
  .nav { padding: 14px 20px; gap: 10px; }
  .brand-meta { display: none; }
  .theme-btn span { display: none; }
}

/* ---------- REDUCED MOTION ----------
   Only disable purely decorative motion. Keep the demo gauge + number
   animations because they communicate what the product actually does. */
@media (prefers-reduced-motion: reduce) {
  .hero-orb,
  .eyebrow-dot {
    animation: none !important;
  }
  .hero-title,
  .hero-sub,
  .hero-cta,
  .hero-meta,
  .hero-mock,
  .feature,
  .theme-card,
  .how-steps li,
  .faq details {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =====================================================================
   ROUTES — homepage CTA, support / privacy / terms page chrome
   ===================================================================== */

.home-cta {
  display: flex;
  justify-content: center;
  margin: 60px auto 80px;
  padding: 0 24px;
}
.home-cta-inner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Page-level hero for /support /privacy /terms */
body.page-body { background: var(--bg); }
body.page-body .nav-links a.active { color: var(--text); border-color: var(--border); }

.page-hero {
  padding: 90px 24px 50px;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}
.page-hero-inner .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 16px;
}
.page-title {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-weight: 500;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  color: var(--text);
}
.page-title em {
  font-style: italic;
  color: var(--accent);
}
.page-sub {
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 auto;
}

/* Legal article — privacy / terms */
.legal {
  max-width: 760px;
  margin: 30px auto 90px;
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-soft);
  position: relative;
  z-index: 1;
}
.legal-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 36px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.legal h2 {
  font-family: var(--font-display);
  font-variation-settings: var(--serif-axes);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 38px 0 14px;
}
.legal h2:first-of-type { margin-top: 24px; }
.legal p {
  margin: 0 0 14px;
}
.legal ul {
  margin: 0 0 18px;
  padding-left: 22px;
}
.legal li {
  margin-bottom: 6px;
}
.legal .mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}
.legal em { color: var(--text); font-style: italic; }
.legal b, .legal strong { color: var(--text); font-weight: 600; }