/* ==========================================================================
   Ragged Tooth Software — shared styles
   Theme colours live in custom properties; .theme-flagulous swaps the
   charcoal background for a dark blurple.
   ========================================================================== */

:root {
  --bg: #121212;            /* charcoal */
  --bg-raised: #1b1b1b;
  --line: #2c2c2c;
  --text: #f4f1ea;
  --muted: #9a968e;
  --accent: #ff6b00;        /* bright orange */
  --accent-ink: #121212;    /* text on accent */

  --font-sans: "Fira Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Fira Code", "Fira Mono", ui-monospace, Menlo, monospace;

  --wrap: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* Colours sampled from the Flagulous app icon background
   (navy #000042 at the top to indigo #090057 at the bottom). */
.theme-flagulous {
  --bg: #050349;            /* dark blurple */
  --bg-raised: #0d0a5c;
  --line: #231f73;
  --muted: #a9a6d6;
  --accent-ink: #050349;
}

body.theme-flagulous {
  background: linear-gradient(180deg, #000042 0%, #090057 100%) fixed;
}

/* ---------- Base ---------- */

*,
*::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: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

::selection { background: var(--accent); color: var(--accent-ink); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--accent);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.nav a:hover { color: var(--text); }

.nav .nav-cta {
  color: var(--text);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(4rem, 12vw, 9rem) clamp(3rem, 8vw, 6rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--accent);
}

.display {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 2rem;
  max-width: 12ch;
}

.lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--muted);
  max-width: 36rem;
  margin: 0 0 2.5rem;
}

.lede strong { color: var(--text); font-weight: 500; }

.app-icon {
  width: clamp(112px, 14vw, 160px);
  height: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(0 18px 30px rgb(0 0 0 / 0.55));  /* follows the icon's own rounded shape */
}

.tagline {
  font-size: clamp(1.375rem, 3vw, 2.25rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--muted);
  max-width: 28ch;
  margin: 0;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  transition: transform 0.15s, background 0.15s, color 0.15s;
}

.btn:hover { transform: translateY(-2px); }

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

.btn-ghost:hover { border-color: var(--text); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Accent strip + meta row ---------- */

.strip {
  background: var(--accent);
  color: var(--accent-ink);
}

.strip .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.7rem;
  font-weight: 500;
}

.strip .live::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.6rem;
  background: var(--accent-ink);
}

.meta-row {
  border-bottom: 1px solid var(--line);
}

.meta-row .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-block: 1.1rem;
  color: var(--muted);
}

.meta-row span:nth-child(2) { text-align: center; }
.meta-row span:nth-child(3) { text-align: right; }
.meta-row b { color: var(--text); font-weight: 500; }

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(4rem, 10vw, 8rem);
}

.section-title {
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0 0 2.5rem;
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}

a.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.card-art {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    var(--bg);
  font-size: clamp(3rem, 8vw, 5rem);
}

.card-art.blurple {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    linear-gradient(180deg, #000042, #090057);
}

.card-icon {
  width: clamp(88px, 10vw, 120px);
  height: auto;
  filter: drop-shadow(0 14px 24px rgb(0 0 0 / 0.55));
}

.card-body { padding: 1.75rem; flex: 1; }

.card h3 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.card p { color: var(--muted); margin: 0 0 1rem; }

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.card-tags span:first-child { color: var(--text); }

.card-link {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Feature grid ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature {
  padding: 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature .num { color: var(--accent); display: block; margin-bottom: 2.5rem; }

.feature h3 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
}

.feature p { color: var(--muted); margin: 0; }

/* ---------- Quote ---------- */

.quote {
  border-left: 4px solid var(--accent);
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  max-width: 52rem;
}

.quote p {
  font-size: clamp(1.75rem, 3.6vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
}

.quote cite { font-style: normal; color: var(--muted); }

/* ---------- Accent CTA block ---------- */

.cta {
  background: var(--accent);
  color: var(--accent-ink);
}

.cta .eyebrow { color: var(--accent-ink); }
.cta .eyebrow::before { background: var(--accent-ink); }

.cta .display {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  max-width: 16ch;
  margin-bottom: 1.5rem;
}

.cta p { max-width: 34rem; margin: 0 0 2.5rem; }

.cta-link {
  display: inline-block;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 3px solid currentColor;
  padding-bottom: 0.4rem;
}

.cta-link:hover { opacity: 0.75; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

.site-footer .brand { color: var(--text); }
.site-footer a:not(.brand) { text-decoration: underline; text-underline-offset: 3px; }
.site-footer a:hover { color: var(--accent); }
.site-footer .copy { margin-left: auto; }

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .nav a:not(.nav-cta) { display: none; }
  .strip .wrap { flex-direction: column; gap: 0.25rem; }
  .meta-row .wrap { grid-template-columns: 1fr; gap: 0.4rem; }
  .meta-row span:nth-child(n) { text-align: left; }
  .site-footer .copy { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Flagulous header flag ----------
   Same diagonal band as the app icon's flag (top-left to bottom-right,
   light orange at the top to the accent orange at the bottom). */

.theme-flagulous .site-header .wrap { align-items: stretch; }

.theme-flagulous .site-header .brand {
  position: relative;
  display: flex;
  align-items: center;
  padding-inline: 2.25rem;
  color: var(--accent-ink);
  font-weight: 300;
}

.theme-flagulous .site-header .brand::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, #ffa040 0%, #ff6a00 40%);
  clip-path: polygon(0 0, calc(100% - 2.5rem) 0, 100% 100%, 2.5rem 100%);
}

/* ---------- Text pages (privacy, support) ---------- */

.prose {
  max-width: 44rem;
  padding-block: clamp(3rem, 8vw, 5rem);
}

.prose h1 {
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.prose .updated { color: var(--muted); margin: 0 0 3rem; }

.prose h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
}

.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--text); font-weight: 500; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--accent); }