/* SPODG Labs site. Brand colors match SpodgLabs_Brand/README.md */
:root {
  --sky: #38bdf8;
  --blue: #4f6cf7;
  --purple: #8b3ff0;
  --fade: linear-gradient(120deg, var(--sky), var(--blue) 45%, var(--purple));

  --bg: #ffffff;
  --bg-alt: #f5f6fb;
  --surface: #ffffff;
  --text: #141726;
  --muted: #555b73;
  --line: #e3e5ef;
  --shadow: 0 1px 2px rgba(20, 23, 38, .05), 0 8px 24px rgba(20, 23, 38, .06);

  --radius: 16px;
  --max: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0e1a;
    --bg-alt: #11152a;
    --surface: #151a31;
    --text: #eef0fa;
    --muted: #a3a9c4;
    --line: #262c4a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.grad { background: var(--fade); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.wordmark {
  font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .95rem;
  background: var(--fade); -webkit-background-clip: text; background-clip: text; color: transparent;
}
nav { display: flex; align-items: center; gap: 22px; font-size: .95rem; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text); }
nav .nav-cta { color: #fff; background: var(--fade); padding: 7px 16px; border-radius: 999px; font-weight: 600; }
nav .nav-cta:hover { color: #fff; filter: brightness(1.08); }

/* Hero */
.hero { padding: 80px 0 72px; background:
  radial-gradient(60% 80% at 85% 30%, color-mix(in srgb, var(--purple) 14%, transparent), transparent 70%),
  radial-gradient(50% 70% at 10% 0%, color-mix(in srgb, var(--sky) 14%, transparent), transparent 70%); }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 40px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; color: var(--blue); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-mark { width: 100%; max-width: 360px; justify-self: center; filter: drop-shadow(0 24px 48px rgba(79, 108, 247, .35)); }

/* Buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; transition: transform .15s, filter .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--fade); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border: 1.5px solid var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: var(--blue); }
.btn-lg { font-size: 1.1rem; padding: 16px 28px; }

/* Sections */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; }
.section-lede { color: var(--muted); font-size: 1.1rem; max-width: 40em; margin-bottom: 32px; }
.section > .wrap > h2 + .grid { margin-top: 28px; }

.grid { display: grid; gap: 20px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card, .project, .principle {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card p, .project p, .principle p { color: var(--muted); }
.card p:last-child, .principle p:last-child { margin-bottom: 0; }
.icon { width: 48px; height: 48px; border-radius: 12px; background: var(--fade); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.principle { border-top: 3px solid transparent; border-image: var(--fade) 1; border-image-slice: 1 0 0 0; }
.principle h3 { font-size: 1.1rem; }

/* Projects */
.group-title { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 40px 0 14px; }
.group-title:first-of-type { margin-top: 28px; }
.project { display: block; text-decoration: none; transition: transform .15s, border-color .15s; }
a.project:hover { transform: translateY(-3px); border-color: var(--blue); }
a.project:hover .arrow { transform: translate(2px, -2px); }
.project h4 { font-size: 1.3rem; margin: 10px 0 8px; }
.project-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.tag { font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); }
.arrow { font-size: 1.2rem; color: var(--blue); transition: transform .15s; }
.link-note { font-size: .9rem; font-weight: 600; background: var(--fade); -webkit-background-clip: text; background-clip: text; color: transparent; }
.project.app { display: grid; grid-template-columns: 72px 1fr; gap: 20px; align-items: start; }
.app-icon { border-radius: 16px; box-shadow: 0 4px 14px rgba(0, 0, 0, .18); }
.badge { font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.privacy-line { font-size: .92rem; font-weight: 600; color: var(--text) !important; margin: 0; }

.project.feature { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: start; }
.feature .btn { margin-top: 4px; }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.feature-list li { position: relative; padding-left: 26px; color: var(--muted); font-size: .95rem; }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 12px; height: 12px; border-radius: 4px; background: var(--fade);
}
.feature-list strong { color: var(--text); }

.policy-link { display: inline-block; margin-top: 10px; font-size: .9rem; color: var(--blue); }

/* Privacy policy pages */
.policy { max-width: 46rem; margin: 0 auto; padding: 56px 20px 80px; }
.policy-head { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.policy h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; margin: 0; }
.policy .meta { color: var(--muted); margin: 4px 0 0; }
.policy h2 { font-size: 1.2rem; margin-top: 2rem; }
.policy a { color: var(--blue); }

/* Contact */
.contact { background: var(--fade); color: #fff; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.contact p { opacity: .92; max-width: 36em; margin: 0; font-size: 1.1rem; }
.contact .btn-primary { background: #fff; color: #3b3fd8; }

/* Footer */
.site-footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand.small { gap: 8px; }
.brand.small .wordmark { font-size: .8rem; }

/* Smaller screens */
@media (max-width: 900px) {
  .grid.three, .grid.four { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-mark { max-width: 220px; order: -1; justify-self: start; }
  .project.feature { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 680px) {
  nav a:not(.nav-cta) { display: none; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 48px; }
  .hero-inner { gap: 20px; }
  .hero-mark { max-width: 140px; }
  .section { padding: 56px 0; }
  .wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}