/* ============================================================================
 * site.css — ReactorDynamics.com public site (landing / about / feedback /
 * privacy). Phase W1 of Blueprint/WEBSITE_SPEC.md.
 *
 * Same quiet-board palette as ui/shell.css so stepping from the site into the
 * control room doesn't feel like a site change. The site pages scroll (unlike
 * the shell); color is still spent only where it means something — green for
 * "live", amber for "coming soon", red never (reserved for the board).
 * ========================================================================== */

:root {
  --bg: #070A0C;
  --bg-panel: #0E1216;
  --bg-elevated: #161B21;
  --border: #232931;
  --text: #E4E9EE;
  --text-2: #98A3AF;
  --muted: #69757F;
  --normal: #5BB3C4;
  --caution: #D9A441;
  --running: #46A35E;
  --core-glow: #00C4FF;
  --radius: 6px;
  --content: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }

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

/* ================================================================== header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 10, 12, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-header .bar {
  max-width: var(--content); margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 16px;
}
.brand {
  font-weight: 700; font-size: 18px; color: var(--text); letter-spacing: 0.2px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-alpha {
  border: 1px solid var(--caution); color: var(--caution); border-radius: 999px;
  padding: 2px 9px; font-size: 11px; font-weight: 700; letter-spacing: 1.4px;
  line-height: 1.4; white-space: nowrap;
}
.site-nav { margin-left: auto; display: flex; gap: 22px; }
.site-nav a { color: var(--text-2); font-size: 14px; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-nav a.active { color: var(--text); }
/* Disabled links: the target pages still exist, they're just not linked yet (alpha).
   Non-clickable and visibly muted so it reads as intentional, not broken. */
a.disabled { pointer-events: none; cursor: default; opacity: 0.4; text-decoration: none; }

/* ==================================================================== hero */
.hero { text-align: center; padding: 64px 20px 40px; }
.alpha-note {
  display: inline-block; margin: 0 auto 20px;
  background: rgba(217, 164, 65, 0.10); border: 1px solid var(--caution);
  color: var(--caution); border-radius: var(--radius);
  padding: 8px 16px; font-size: 13px; font-weight: 600; letter-spacing: 0.2px;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 0 0 14px;
  letter-spacing: -0.5px;
}
.hero .sub {
  color: var(--text-2); font-size: clamp(15px, 2.2vw, 19px);
  max-width: 640px; margin: 0 auto 28px;
}
.cta {
  display: inline-block;
  background: var(--bg-elevated);
  border: 1px solid var(--normal);
  color: var(--text);
  padding: 13px 30px; border-radius: var(--radius);
  font-size: 17px; font-weight: 600;
  box-shadow: 0 0 24px rgba(0, 196, 255, 0.12);
  transition: box-shadow 0.15s, transform 0.15s;
}
.cta:hover {
  text-decoration: none;
  box-shadow: 0 0 34px rgba(0, 196, 255, 0.28);
  transform: translateY(-1px);
}
/* Owner-provided screenshot drops in as site/hero.png; until then the frame
   collapses (onerror hides the img) and the page reads fine without it. */
.hero-shot {
  max-width: var(--content); margin: 40px auto 0; padding: 0 20px;
}
.hero-shot img {
  width: 100%; display: block; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.55);
}

/* ================================================================ sections */
.section { max-width: var(--content); margin: 0 auto; padding: 48px 20px; }
.section h2 {
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--muted); margin: 0 0 22px;
}

/* ============================================================= plant cards */
.plants { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .plants { grid-template-columns: 1fr; } }
.plant-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: flex; flex-direction: column; gap: 8px;
  color: var(--text);
}
.plant-card h3 { margin: 0; font-size: 22px; }
.plant-card .kind { color: var(--normal); font-size: 13px; letter-spacing: 0.5px; }
.plant-card p { margin: 0; color: var(--text-2); font-size: 14px; flex: 1; }
.plant-card .go {
  margin-top: 14px; align-self: flex-start;
  border: 1px solid var(--running); border-radius: var(--radius);
  color: var(--text); padding: 8px 18px; font-size: 14px; font-weight: 600;
}
.plant-card.live { transition: border-color 0.15s, transform 0.15s; }
.plant-card.live:hover {
  text-decoration: none; border-color: var(--running); transform: translateY(-2px);
}
.plant-card.live:hover .go { background: rgba(70, 163, 94, 0.12); }
.plant-card.soon { opacity: 0.55; }
.badge-soon {
  margin-top: 14px; align-self: flex-start;
  border: 1px solid var(--caution); border-radius: var(--radius);
  color: var(--caution); padding: 8px 18px;
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
}

/* ================================================================ features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 760px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.feature h3 { margin: 0 0 6px; font-size: 16px; }
.feature p { margin: 0; color: var(--text-2); font-size: 14px; }

/* ============================================================ content pages */
.page { max-width: 760px; margin: 0 auto; padding: 48px 20px 64px; }
.page h1 { font-size: 32px; margin: 0 0 8px; letter-spacing: -0.5px; }
.page .lede { color: var(--text-2); font-size: 18px; margin: 0 0 32px; }
.page h2 {
  font-size: 20px; margin: 36px 0 10px;
  text-transform: none; letter-spacing: 0; color: var(--text);
}
.page p, .page li { color: var(--text-2); }
.page strong { color: var(--text); }

/* ================================================================ feedback */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--text); margin-bottom: 6px; }
.field .hint { color: var(--muted); font-size: 13px; margin-top: 5px; }
.field input[type="text"], .field input[type="email"],
.field select, .field textarea {
  width: 100%;
  background: var(--bg-elevated); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; font-size: 15px; font-family: inherit;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--normal);
}
/* honeypot — visually gone, still in the DOM for bots (W2 backend checks it) */
.field.hp { position: absolute; left: -9999px; }
.btn {
  display: inline-block; cursor: pointer;
  background: var(--bg-elevated); color: var(--text);
  border: 1px solid var(--normal); border-radius: var(--radius);
  padding: 10px 24px; font-size: 15px; font-weight: 600; font-family: inherit;
}
.btn:hover { box-shadow: 0 0 20px rgba(0, 196, 255, 0.18); }
.notice {
  background: var(--bg-panel); border: 1px solid var(--caution);
  border-radius: var(--radius); padding: 12px 16px;
  color: var(--text-2); font-size: 14px; margin-bottom: 28px;
}
.notice strong { color: var(--caution); }
.form-msg { margin-top: 14px; font-size: 14px; color: var(--running); }

/* =============================================================== changelog */
.log-entry { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 32px; }
.log-entry:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.log-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.log-head h2 { margin: 0; border: none; padding: 0; font-size: 20px; }
.log-ver {
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px; color: var(--normal);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px; line-height: 1.5;
}
.log-date { color: var(--muted); font-size: 13px; margin-left: auto; }
.log-entry ul { margin: 14px 0 0; padding-left: 0; list-style: none; }
.log-entry li { margin-bottom: 10px; font-size: 15px; line-height: 1.55; }
.log-tag {
  display: inline-block; min-width: 62px; margin-right: 8px;
  font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase;
  text-align: center; padding: 2px 6px; border-radius: 3px;
  border: 1px solid currentColor; vertical-align: 1px;
}
.log-tag.added { color: var(--running); }
.log-tag.changed { color: var(--normal); }
.log-tag.fixed { color: var(--caution); }
.log-empty {
  border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 28px 20px; text-align: center; color: var(--muted); font-size: 15px;
}

/* ================================================================== footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 32px; padding: 28px 20px 40px;
}
.site-footer .inner {
  max-width: var(--content); margin: 0 auto;
  color: var(--muted); font-size: 13px;
}
.site-footer .links { margin-top: 8px; display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--text-2); }