/* Enigma Doublestep landing page. Instrument-panel aesthetic: black crinkle enamel, brass, bone-white type,
   warm lamp glow. Light theme: parchment and ink. No framework, no build step. */

/* ------------------------------------------------------------------ fonts (self-hosted, OFL) */
@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/barlow-condensed-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: italic; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Courier Prime"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/courier-prime-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Courier Prime"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/courier-prime-latin-700-normal.woff2") format("woff2"); }

/* ------------------------------------------------------------------ tokens */
:root {
  --font-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif-condensed, Impact, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Courier Prime", "Courier New", ui-monospace, monospace;

  /* dark (default) */
  --bg: #0e0c0a;
  --bg-raised: #15110d;
  --surface: #1b1612;
  --surface-2: #231c16;
  --line: rgba(236, 220, 192, 0.13);
  --line-strong: rgba(236, 220, 192, 0.26);
  --text: #f1e9db;
  --text-2: #c4b6a0;
  --accent: #f0b54c;
  --brass: #d6a44a;
  --lamp: #f2b84b;
  --lamp-glow: rgba(255, 178, 64, 0.35);
  --btn-bg: #f0b54c;
  --btn-text: #1a1206;
  --btn-bg-hover: #ffc867;
  --ok: #9fd18b;
  --err: #ff9a85;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  --grain-opacity: 0.07;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3ede1;
    --bg-raised: #ebe3d3;
    --surface: #fbf8f1;
    --surface-2: #f2ebdd;
    --line: rgba(45, 30, 12, 0.14);
    --line-strong: rgba(45, 30, 12, 0.3);
    --text: #1c1611;
    --text-2: #594c3c;
    --accent: #8d4c08;
    --brass: #8a5a12;
    --lamp: #eaa431;
    --lamp-glow: rgba(234, 164, 49, 0.28);
    --btn-bg: #1c1611;
    --btn-text: #f7efe1;
    --btn-bg-hover: #3a2d20;
    --ok: #2f6b1f;
    --err: #a3301b;
    --shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 24px 60px -30px rgba(60, 40, 10, 0.45);
    --grain-opacity: 0.05;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3ede1;
  --bg-raised: #ebe3d3;
  --surface: #fbf8f1;
  --surface-2: #f2ebdd;
  --line: rgba(45, 30, 12, 0.14);
  --line-strong: rgba(45, 30, 12, 0.3);
  --text: #1c1611;
  --text-2: #594c3c;
  --accent: #8d4c08;
  --brass: #8a5a12;
  --lamp: #eaa431;
  --lamp-glow: rgba(234, 164, 49, 0.28);
  --btn-bg: #1c1611;
  --btn-text: #f7efe1;
  --btn-bg-hover: #3a2d20;
  --ok: #2f6b1f;
  --err: #a3301b;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 24px 60px -30px rgba(60, 40, 10, 0.45);
  --grain-opacity: 0.05;
  color-scheme: light;
}

/* ------------------------------------------------------------------ base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* crinkle-finish grain */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
code { font-family: var(--font-mono); font-size: 0.95em; letter-spacing: 0.02em; white-space: nowrap; }
h1, h2, h3, .h3 { font-family: var(--font-display); font-weight: 600; line-height: 1; letter-spacing: 0.005em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2.1rem, 1.35rem + 2.9vw, 3.5rem); text-transform: uppercase; margin-bottom: 0.5em; }
h3, .h3 { font-size: 1.5rem; }
p { margin: 0 0 1em; }
::selection { background: var(--lamp); color: #1a1206; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--btn-bg); color: var(--btn-text); padding: 10px 14px; border-radius: 4px; font-weight: 600; }
.skip:focus { top: 12px; }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }
.narrow { max-width: 760px; }
.small { font-size: 0.875rem; }
.muted { color: var(--text-2); }
.center { text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 0.7em;
  font: 700 0.8rem/1 var(--font-mono); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.1rem;
}
.kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.section { padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--line); }
.section-lede { font-size: 1.15rem; color: var(--text-2); max-width: 62ch; }

/* ------------------------------------------------------------------ buttons */
.btn {
  --b: var(--btn-bg);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  min-height: 48px; padding: 0.7em 1.35em;
  background: var(--b); color: var(--btn-text);
  border: 1px solid transparent; border-radius: 4px;
  font: 600 1.15rem/1 var(--font-display); letter-spacing: 0.07em; text-transform: uppercase; text-decoration: none;
  cursor: pointer; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25) inset, 0 8px 24px -10px var(--lamp-glow);
  transition: background-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn:hover { background: var(--btn-bg-hover); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.6; cursor: progress; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-strong); box-shadow: none; }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--accent); }
.btn-small { min-height: 40px; padding: 0.5em 1em; font-size: 1rem; }
.btn-wide { width: 100%; }
.btn-note { font: 400 0.72rem/1 var(--font-mono); letter-spacing: 0.08em; text-transform: lowercase; opacity: 0.75; border-left: 1px solid currentColor; padding-left: 0.6em; }
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px;
  background: transparent; color: var(--text); border: 1px solid var(--line); border-radius: 50%; cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.icon-btn .i-moon { fill: currentColor; stroke: none; }
.i-sun { display: none; }
:root[data-theme="dark"] .i-sun { display: block; }
:root[data-theme="dark"] .i-moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .i-sun { display: block; } :root:not([data-theme="light"]) .i-moon { display: none; } }

/* ------------------------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(12px); backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand-mark { width: 30px; height: 30px; color: var(--brass); }
.brand-word { font: 600 1.45rem/1 var(--font-display); letter-spacing: 0.08em; text-transform: uppercase; }
.bw-pre { color: var(--brass); font-weight: 500; }
@media (max-width: 420px) { .brand-word { font-size: 1.12rem; letter-spacing: 0.06em; } .brand-mark { width: 26px; height: 26px; } }
.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-nav a:not(.btn) { color: var(--text-2); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.site-nav a:not(.btn):hover { color: var(--text); }
.header-tools { display: flex; gap: 8px; }
.nav-toggle { display: none; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-grid; }
  .header-tools { margin-left: auto; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px clamp(16px, 4vw, 32px) 20px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .site-nav .btn { margin-top: 14px; }
}

/* ------------------------------------------------------------------ hero */
.hero { padding-block: clamp(36px, 5vw, 72px) clamp(56px, 8vw, 110px); overflow: hidden; }
.hero-grid { display: grid; gap: clamp(36px, 5vw, 64px); align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.02fr 1fr; } }
@media (max-width: 959px) { /* phones and tablets: show the machine right under the headline */
  .hero-copy { display: contents; }
  .hero-grid { gap: 0; }
  .hero .eyebrow { order: 1; justify-self: start; }
  .hero h1 { order: 2; }
  .hero .hero-art { order: 3; margin: 0 0 28px; }
  .hero .lede { order: 4; }
  .hero .cta-row { order: 5; }
  .hero .facts { order: 6; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 0.8rem/1 var(--font-mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2);
  border: 1px solid var(--line); padding: 9px 14px; border-radius: 999px; margin-bottom: 26px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lamp); box-shadow: 0 0 0 3px var(--lamp-glow), 0 0 14px var(--lamp); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px transparent, 0 0 4px var(--lamp); opacity: 0.75; } }
h1 { font-size: clamp(2.6rem, 1.5rem + 4.1vw, 4.75rem); line-height: 0.93; text-transform: uppercase; margin-bottom: 0.38em; }
h1 .accent { color: var(--accent); }
.lede { font-size: clamp(1.1rem, 1rem + 0.35vw, 1.3rem); color: var(--text-2); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 34px; }
@media (max-width: 520px) { .eyebrow { letter-spacing: 0.12em; font-size: 0.72rem; } }
.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-strong); }
.facts li { padding: 14px 12px 0 0; display: grid; gap: 4px; }
.facts li + li { padding-left: 14px; border-left: 1px solid var(--line); }
.facts strong { font: 600 2rem/1 var(--font-display); color: var(--text); }
.facts span { font-size: 0.82rem; color: var(--text-2); line-height: 1.3; }
@media (max-width: 520px) {
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts li:nth-child(3) { border-left: 0; padding-left: 0; }
  .facts li:nth-child(n + 3) { border-top: 1px solid var(--line); margin-top: 14px; }
}
.hero-art { margin: 0; position: relative; }
.hero-art::before { /* lamp glow behind the plate */
  content: ""; position: absolute; inset: 10% 0 0 10%; z-index: -1;
  background: radial-gradient(closest-side, var(--lamp-glow), transparent 75%);
  filter: blur(30px);
}
.plate {
  position: relative; padding: 10px; border-radius: 8px;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-strong); box-shadow: var(--shadow);
}
.plate img { border-radius: 4px; width: 100%; }
.rivet { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #f6dca2, var(--brass) 55%, #5b3d0c); }
.rivet.tl { top: 2px; left: 2px; } .rivet.tr { top: 2px; right: 2px; } .rivet.bl { bottom: 2px; left: 2px; } .rivet.br { bottom: 2px; right: 2px; }
figcaption { font-size: 0.82rem; color: var(--text-2); margin-top: 10px; }
.hero-art figcaption { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ------------------------------------------------------------------ cards / difference */
.diff-grid { display: grid; gap: 16px; margin-top: 18px; }
@media (min-width: 820px) { .diff-grid { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 26px 24px 18px; }
.card h3 { text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.55em; color: var(--text-2); }
.card p { color: var(--text-2); }
.card-hl { border-color: var(--accent); background: linear-gradient(170deg, color-mix(in srgb, var(--lamp) 12%, var(--surface)), var(--surface) 60%); box-shadow: 0 20px 50px -30px var(--lamp-glow); }
.card-hl h3 { color: var(--accent); }
.card-hl p { color: var(--text); }

/* ------------------------------------------------------------------ how it works */
.how-grid { display: grid; gap: clamp(36px, 5vw, 64px); margin-top: 14px; }
@media (min-width: 1000px) { .how-grid { grid-template-columns: 1fr 1fr; align-items: start; } .mini-wrap { position: sticky; top: 92px; } }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.steps li { padding: 20px 0 8px; border-top: 1px solid var(--line); }
.steps h3 { display: flex; align-items: baseline; gap: 14px; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.5em; }
.num { font: 700 0.95rem/1 var(--font-mono); color: var(--accent); letter-spacing: 0.08em; }
.steps p { color: var(--text-2); max-width: 60ch; }
.steps code { color: var(--text); }

/* mini enigma: always an instrument panel, in both themes */
.mini {
  --panel: #14110e; --lamp-off: #221d18; --lamp-off-text: #6f6354; --key: #0b0a09; --key-text: #f3ead8;
  background: radial-gradient(120% 90% at 50% 0%, #201a14, var(--panel) 70%);
  color: #efe6d6; border-radius: 10px; padding: clamp(16px, 3vw, 26px);
  border: 1px solid #3a3027; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 30px 70px -30px rgba(0, 0, 0, 0.75);
}
.mini-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.mini-head h3 { text-transform: uppercase; letter-spacing: 0.05em; font-size: 1.35rem; color: #efe6d6; }
.mini-windows { display: flex; gap: 6px; padding: 6px; background: #000; border-radius: 6px; border: 1px solid #3a3027; }
.win { display: grid; justify-items: center; gap: 2px; }
.win small { font: 700 0.6rem/1 var(--font-mono); color: #9b8d78; letter-spacing: 0.1em; }
.win b { display: grid; place-items: center; width: 30px; height: 34px; background: linear-gradient(#f5ecda, #d9ccb2); color: #16120d; border-radius: 3px; font: 600 1.35rem/1 var(--font-display); }
.win b.ticked { animation: tick 0.28s ease-out; }
@keyframes tick { from { transform: translateY(-40%); opacity: 0.2; } to { transform: none; opacity: 1; } }
.lampboard, .keyboard { display: grid; gap: clamp(5px, 1vw, 8px); }
.lamp-row, .key-row { display: flex; justify-content: center; gap: clamp(5px, 1vw, 8px); }
.lamp, .key { flex: 0 0 calc((100% - 8 * clamp(5px, 1vw, 8px)) / 9); aspect-ratio: 1; max-width: 44px; border-radius: 50%; display: grid; place-items: center; font: 600 clamp(0.85rem, 2.6vw, 1.05rem)/1 var(--font-display); }
.lamp { background: var(--lamp-off); color: var(--lamp-off-text); border: 1px solid #2e2720; transition: background 0.25s, color 0.25s, box-shadow 0.25s; }
.lamp.on { background: radial-gradient(circle at 50% 45%, #fff6dc, #ffcd6b 45%, #e59a26); color: #2a1a06; border-color: #ffd27a; box-shadow: 0 0 18px 4px rgba(255, 184, 72, 0.55), 0 0 50px 10px rgba(255, 184, 72, 0.18); transition: none; }
.keyboard { margin-top: 18px; padding-top: 18px; border-top: 1px dashed #3a3027; }
.key {
  background: radial-gradient(circle at 50% 40%, #2a2622, var(--key) 70%); color: var(--key-text);
  border: 2px solid #8f8a80; box-shadow: 0 3px 0 #000, 0 4px 8px rgba(0, 0, 0, 0.6);
  cursor: pointer; padding: 0; touch-action: manipulation; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent;
  transition: transform 0.06s, box-shadow 0.06s;
}
.key:hover { border-color: #d6cdbd; }
.key:active, .key.down { transform: translateY(3px); box-shadow: 0 0 0 #000, 0 1px 3px rgba(0, 0, 0, 0.6); }
.key:focus-visible { outline: 3px solid var(--lamp); outline-offset: 2px; border-radius: 50%; }
.mini-tape { margin-top: 18px; background: #efe6d3; color: #1b150f; border-radius: 4px; padding: 10px 14px; display: grid; gap: 2px; }
.mini-tape div { display: grid; grid-template-columns: 34px 1fr; align-items: baseline; }
.mini-tape span { font: 700 0.7rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: #5a4d3c; }
.mini-tape code { font-size: 1.05rem; white-space: pre-wrap; word-break: break-all; min-height: 1.4em; }
.mini-note { margin: 14px 0 0; font-size: 0.92rem; color: #cbbda6; min-height: 3em; }
.mini-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.mini .btn-ghost { color: #efe6d6; border-color: #4a3f34; }
.mini .btn-ghost:hover { background: #241d16; border-color: var(--lamp); }
.mini-caption { font-size: 0.85rem; color: var(--text-2); margin-top: 10px; }

/* ------------------------------------------------------------------ gallery */
.gal-grid { display: grid; gap: 14px; margin-top: 10px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .gal-grid { grid-template-columns: repeat(2, 1fr); } .gal-wide { grid-column: span 2; } }
@media (min-width: 1000px) { .gal-grid { grid-template-columns: repeat(3, 1fr); } .gal-wide { grid-column: span 2; grid-row: span 2; } }
.gal-item { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }
.gal-item picture { flex: 1; display: block; }
.gal-item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; }
.gal-item figcaption { margin: 0; padding: 12px 16px 14px; border-top: 1px solid var(--line); }
.gal-item figcaption b { color: var(--text); font-weight: 600; }

/* ------------------------------------------------------------------ demo */
.demo-frame { position: relative; margin-top: 26px; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; border: 1px solid var(--line-strong); background: #000; box-shadow: var(--shadow); }
@media (max-width: 700px) { .demo-frame { aspect-ratio: 3 / 4; } }
.demo-frame > picture img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; filter: saturate(0.9) brightness(0.62); }
.demo-cta { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 12px; padding: 20px; text-align: center; background: radial-gradient(60% 60% at 50% 50%, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.6)); }
.demo-cta .btn { background: #f0b54c; color: #1a1206; }
.demo-cta .btn:hover { background: #ffc867; }
.demo-cta p { color: #e9dfcd; font-size: 0.92rem; margin: 0; }
.demo-cta a { color: #ffd27a; }
.demo-frame.live iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ------------------------------------------------------------------ specs */
.specs-grid { display: grid; gap: clamp(28px, 4vw, 64px); }
@media (min-width: 960px) { .specs-grid { grid-template-columns: 0.85fr 1.15fr; } }
.spec-list { margin: 0; border-top: 1px solid var(--line-strong); }
.spec-list > div { display: grid; grid-template-columns: 9.5em 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { font: 700 0.78rem/1.9 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.spec-list dd { margin: 0; }
.spec-list code { white-space: normal; }
@media (max-width: 520px) { .spec-list > div { grid-template-columns: 1fr; gap: 2px; } }

/* ------------------------------------------------------------------ founders */
.founders { background: linear-gradient(180deg, var(--bg-raised), var(--bg) 70%); }
.tiers { display: grid; gap: 16px; margin: 34px 0 16px; }
@media (min-width: 900px) { .tiers { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }
.tier { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 26px 24px 24px; }
.tier header h3 { text-transform: uppercase; letter-spacing: 0.04em; font-size: 1.7rem; }
.tier-sub { color: var(--text-2); margin: 6px 0 0; font-size: 0.95rem; }
.tier-price { margin: 18px 0 2px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.tier-price span { font: 600 2.9rem/1 var(--font-display); color: var(--text); letter-spacing: 0.01em; }
.tier-price small { font: 700 0.72rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent); }
.tier-retail { font-size: 0.85rem; color: var(--text-2); margin: 0; }
.tier ul { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; flex: 1; align-content: start; }
.tier li { position: relative; padding-left: 22px; color: var(--text-2); font-size: 0.97rem; line-height: 1.5; }
.tier li::before { content: ""; position: absolute; left: 2px; top: 0.55em; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--accent); }
.tier-hl { border-color: var(--accent); box-shadow: 0 30px 70px -40px var(--lamp-glow); }
.tier-hl li::before { background: var(--accent); }

.reserve-form { margin: 48px auto 0; max-width: 760px; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 12px; padding: clamp(22px, 4vw, 40px); box-shadow: var(--shadow); }
.reserve-form h3 { text-transform: uppercase; letter-spacing: 0.04em; font-size: 1.9rem; margin-bottom: 18px; }
.field { margin: 0 0 18px; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 8px; padding: 0; }
.opt { font-weight: 400; color: var(--text-2); }
.field-row { display: grid; gap: 0 16px; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
input[type="email"], input[type="text"], select, textarea {
  width: 100%; min-height: 48px; padding: 11px 13px;
  background: var(--bg); color: var(--text); border: 1px solid var(--line-strong); border-radius: 5px;
  font: inherit; font-size: 1rem;
}
textarea { min-height: 72px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label { display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 10px 14px; min-height: 44px; border: 1px solid var(--line-strong); border-radius: 999px; font-weight: 500; cursor: pointer; background: var(--bg); }
.choices label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--lamp) 14%, var(--bg)); }
.choices input { accent-color: var(--accent); margin: 0; width: 18px; height: 18px; }
.choice-price { font: 400 0.85rem/1 var(--font-mono); color: var(--text-2); }
.consent-check { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; font-size: 0.93rem; color: var(--text-2); margin: 6px 0 22px; cursor: pointer; }
.consent-check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 18px; padding: 14px 16px; border-radius: 6px; border: 1px solid var(--line-strong); background: var(--bg); font-size: 0.97rem; }
.form-status.ok { border-color: var(--ok); }
.form-status.ok strong { color: var(--ok); }
.form-status.error { border-color: var(--err); }
.form-status.error strong { color: var(--err); }
.form-status.info { border-color: var(--accent); }

/* ------------------------------------------------------------------ roadmap */
.road { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 0; counter-reset: r; }
@media (min-width: 900px) { .road { grid-template-columns: repeat(4, 1fr); } }
.road li { position: relative; padding: 26px 22px 6px 0; border-top: 2px solid var(--line-strong); display: grid; gap: 8px; align-content: start; }
.road li::before { content: ""; position: absolute; top: -8px; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--line-strong); }
.road li.done { border-top-color: var(--brass); }
.road li.done::before { background: var(--brass); border-color: var(--brass); }
.road li.now::before { background: var(--lamp); border-color: var(--lamp); box-shadow: 0 0 0 4px var(--lamp-glow), 0 0 16px var(--lamp); }
.road b { font: 600 1.35rem/1.1 var(--font-display); text-transform: uppercase; letter-spacing: 0.03em; }
.road span { color: var(--text-2); font-size: 0.95rem; }
@media (max-width: 899px) { .road li { padding-left: 28px; border-top: 0; border-left: 2px solid var(--line-strong); padding-top: 0; padding-bottom: 26px; } .road li::before { left: -8px; top: 2px; } .road li.done { border-left-color: var(--brass); } }

/* ------------------------------------------------------------------ faq */
.faq-wrap { display: grid; gap: 24px; }
@media (min-width: 960px) { .faq-wrap { grid-template-columns: 0.7fr 1.3fr; } }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 18px 0; font-weight: 600; font-size: 1.07rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font: 400 1.6rem/1 var(--font-mono); color: var(--accent); transition: transform 0.2s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--text-2); max-width: 66ch; padding-bottom: 8px; }

.privacy-short { padding-block: clamp(40px, 6vw, 72px); }
.privacy-short h2 { text-transform: uppercase; margin-bottom: 0.4em; }
.privacy-short p { color: var(--text-2); }

/* ------------------------------------------------------------------ footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 40px; background: var(--bg-raised); }
.footer-inner { display: grid; gap: 22px; align-items: start; }
@media (min-width: 860px) { .footer-inner { grid-template-columns: 1.4fr 1fr auto; } }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.site-footer nav a { color: var(--text-2); text-decoration: none; font-size: 0.95rem; }
.site-footer nav a:hover { color: var(--text); }
.site-footer .brand { margin-bottom: 10px; }
.site-footer p { margin: 0; max-width: 46ch; }

/* ------------------------------------------------------------------ consent banner */
.consent {
  position: fixed; z-index: 80; left: 16px; right: 16px; bottom: 16px; max-width: 560px; margin-inline: auto;
  background: var(--surface); color: var(--text); border: 1px solid var(--line-strong); border-radius: 10px;
  padding: 18px 20px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}
.consent p { font-size: 0.93rem; margin-bottom: 12px; }
.consent-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ------------------------------------------------------------------ legal page */
.legal { padding-block: clamp(40px, 6vw, 80px); }
.legal h1 { font-size: clamp(2.4rem, 1.6rem + 3vw, 3.8rem); }
.legal h2 { font-size: 1.6rem; margin-top: 1.6em; }
.legal p, .legal li { color: var(--text-2); }
.legal strong { color: var(--text); }
.legal table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin-bottom: 1em; }
.legal th, .legal td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { font: 700 0.75rem/1.4 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  body::before, .site-header, .consent, .demo-frame, .mini-wrap { display: none !important; }
}

/* ---------------------------------------------------------------- status note, proof, tier notes */
.status-note { font-size: 0.97rem; color: var(--text-2); border-left: 2px solid var(--accent); padding: 2px 0 2px 14px; max-width: 58ch; }
.status-note b { color: var(--text); }
.proof-grid { display: grid; gap: 16px; margin: 26px 0 18px; }
@media (min-width: 860px) { .proof-grid { grid-template-columns: 1fr 1fr; } }
.proof-list { margin: 0 0 8px; padding-left: 1.1em; display: grid; gap: 10px; color: var(--text-2); }
.proof-list b { color: var(--text); }
.proof-h3 { margin-top: 1.4em; }
.tier li.tier-why { font-size: 0.88rem; }
.tier li.tier-why::before { border-style: dashed; background: none; }