/* ============================================================
   Forge Fleet — landing page styles
   Dark terminal aesthetic. Single stylesheet, no build step.
   Tokens are documented in docs/landing-page-style-guide.md
   ============================================================ */

:root {
  /* ---- Palette (dark terminal) ---- */
  --bg: #0B0E14;            /* near-black base */
  --surface: #151A23;      /* panels / cards */
  --border: #232A36;       /* hairlines */
  --text: #E6EDF3;         /* primary text */
  --text-muted: #8B98A9;   /* secondary text */
  --accent: #4ADE80;       /* terminal green — primary accent */
  --accent-bright: #86EFAC;/* hover / active */
  --accent-2: #22D3EE;     /* electric cyan — code-syntax highlights only */

  /* ---- Typography ---- */
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* ---- Layout ---- */
  --maxw: 1080px;
  --gap: 1.5rem;
  --radius: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden; /* never scroll horizontally */
}

img { max-width: 100%; height: auto; }

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

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(34, 211, 238, 0.08); /* faint cyan wash */
  color: var(--accent-2);
  padding: 0.1em 0.4em;
  border-radius: 5px;
  word-break: break-word;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: 1.5rem;
}

.prompt-glyph {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 700;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 14, 20, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  flex-wrap: wrap;
}

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

.brand-name {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
}
.nav-link:hover { color: var(--accent-bright); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #04120A;
}
.btn-primary .prompt-glyph { color: #04120A; }
.btn-primary:hover { background: var(--accent-bright); color: #04120A; }

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

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-block: clamp(3rem, 8vw, 6rem);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60% 120% at 85% 0%, rgba(74, 222, 128, 0.06), transparent 60%),
    radial-gradient(40% 80% at 0% 30%, rgba(34, 211, 238, 0.05), transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.tagline {
  color: var(--text-muted);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  max-width: 46ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* ============================================================
   Terminal motif
   ============================================================ */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px -25px rgba(0, 0, 0, 0.8);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot-r { background: #FF5F56; }
.dot-y { background: #FFBD2E; }
.dot-g { background: #27C93F; }

.terminal-title {
  margin-left: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.terminal-body {
  margin: 0;
  padding: 1.25rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text);
  overflow-x: auto; /* long lines scroll inside the panel, not the page */
}
.terminal-body code { background: none; color: inherit; padding: 0; }

.c-prompt { color: var(--accent); font-weight: 700; }
.c-cmd    { color: var(--accent-bright); font-weight: 500; }
.c-step   { color: var(--accent-2); }
.c-flag   { color: var(--text-muted); }
.c-dim    { color: var(--text-muted); }
.c-ok     { color: var(--accent); font-weight: 700; }
.c-cursor {
  color: var(--accent);
  animation: blink 1.1s steps(2, start) infinite;
}
@keyframes blink { to { opacity: 0; } }

/* ============================================================
   Sections
   ============================================================ */
.section { padding-block: clamp(3rem, 8vw, 5.5rem); }
.section-alt {
  background: linear-gradient(180deg, rgba(21, 26, 35, 0.5), transparent);
  border-block: 1px solid var(--border);
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
}

.section-lede {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

/* ---- Feature grid ---- */
.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: rgba(74, 222, 128, 0.4); transform: translateY(-2px); }

.card-primary {
  border-color: rgba(74, 222, 128, 0.45);
  box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.12) inset;
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 1.12rem;
  margin: 0.4rem 0 0.7rem;
  letter-spacing: -0.01em;
}

.card p { color: var(--text-muted); margin: 0; font-size: 0.98rem; }
.card p code { font-size: 0.85em; }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(74, 222, 128, 0.4);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}
.tag-muted {
  color: var(--text-muted);
  border-color: var(--border);
}

/* ---- Get started ---- */
.get-started-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.req-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.req-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text);
}
.req-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

.note {
  color: var(--text-muted);
  font-size: 0.92rem;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  margin: 0;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding-block: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 2.5rem;
}

.footer-brand .brand-name { font-size: 1.1rem; }
.footer-tagline { color: var(--text-muted); margin: 0.5rem 0 1rem; font-size: 0.95rem; }
.copyright { margin: 0.25rem 0; font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); }
.license { margin: 0.25rem 0 0; font-size: 0.9rem; color: var(--text-muted); }

.footer-links h4,
.footer-support h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 820px) {
  .hero-grid,
  .get-started-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .site-header .site-nav .btn-ghost { display: none; } /* keep header compact on mobile */
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .terminal-body { font-size: 0.78rem; }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .c-cursor { animation: none; }
  .card:hover { transform: none; }
}