/* ==========
   Questionable Bananas - styles
   ========== */

:root {
  --bg: #0f1115;
  --surface: #171a21;
  --text: #e7e9ee;
  --muted: #a5acb8;
  --line: #272b36;
  --accent: #f5c443;
  --accent-ink: #0a0a0a;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

:root[data-theme="light"] {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --text: #13151a;
  --muted: #4b5565;
  --line: #e6e8ef;
  --accent: #f5c443;
  --accent-ink: #1a1402;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -20%, rgba(245,196,67,.18), transparent 60%),
              radial-gradient(800px 400px at 94% 10%, rgba(245,196,67,.12), transparent 60%),
              var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

/* Header / Nav */
.site-header {
  position: relative;
  padding-top: .5rem;
  background:
    radial-gradient(1000px 500px at 0% -10%, rgba(245,196,67,.25), transparent 50%);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .2px;
}
.brand img { filter: drop-shadow(0 2px 10px rgba(0,0,0,.15)); }
.brand-text strong { color: var(--accent); font-weight: 800; }

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
  padding: 0;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  padding: .5rem .75rem;
  border-radius: 8px;
}
.nav a:hover { background: color-mix(in oklab, var(--accent) 16%, transparent); }
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  padding: .45rem;
  border-radius: 10px;
}

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: .35rem .5rem;
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.theme-toggle .sun { display: none; }
:root[data-theme="light"] .theme-toggle .sun { display: block; }
:root[data-theme="light"] .theme-toggle .moon { display: none; }

/* Hero */
.hero {
  display: grid;
  align-items: center;
  min-height: clamp(460px, 60vh, 680px);
  padding: 2.5rem 0 3rem;
}
.hero-content {
  max-width: 840px;
  padding: 1rem 0 0;
}
.hero h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3.2rem);
  line-height: 1.15;
  letter-spacing: -.2px;
  margin: 0 0 .75rem;
}
.hero .subtle {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
}
.cta { display: flex; gap: .8rem; flex-wrap: wrap; }

/* Sections */
.section {
  padding: 3.5rem 0;
}
.section h2 {
  font-size: clamp(1.5rem, 1.6rem + .8vw, 2.2rem);
  margin: 0 0 1.5rem;
  letter-spacing: -.2px;
}
.section.alt {
  background: linear-gradient(0deg, color-mix(in oklab, var(--accent) 8%, transparent), transparent 30%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(0,0,0,.35); }
.card .icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: color-mix(in oklab, var(--accent) 18%, transparent);
  border-radius: 12px;
  color: var(--accent-ink);
  margin-bottom: .6rem;
}
.card h3 { margin: .5rem 0 .35rem; font-size: 1.1rem; }
.card p { margin: 0 0 .5rem; color: var(--muted); }
.bullets { margin: 0; padding-left: 1.1rem; color: var(--text); }
.bullets li { margin: .25rem 0; }

/* Steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin: 1rem 0 0;
  padding: 0;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.step-badge {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  margin-bottom: .35rem;
}
.steps h3 { margin: .25rem 0 .25rem; font-size: 1rem; }
.steps p { margin: 0; color: var(--muted); }

/* Highlights */
.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.mini-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.mini-card h3 { margin: .25rem 0 .25rem; font-size: 1.05rem; }
.mini-card p { margin: 0; color: var(--muted); }

/* Contact form */
.brief {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.brief .grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}
.brief label { display: grid; gap: .25rem; }
.brief label.full { grid-column: 1 / -1; }
.brief input, .brief textarea {
  width: 100%;
  padding: .7rem .8rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--surface) 90%, var(--bg));
  color: var(--text);
  outline: none;
}
.brief input:focus, .brief textarea:focus {
  border-color: color-mix(in oklab, var(--accent) 30%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 22%, transparent);
}
.form-actions { display: flex; gap: .75rem; align-items: center; margin-top: .6rem; }
.tiny { font-size: .875rem; }
.subtle { color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding: 1.25rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
}
.site-footer nav {
  display: flex;
  gap: .8rem;
}
.site-footer nav a {
  color: var(--muted);
  text-decoration: none;
  padding: .35rem .5rem;
  border-radius: 8px;
}
.site-footer nav a:hover { background: color-mix(in oklab, var(--accent) 16%, transparent); }
.copyright {
  grid-column: 1 / -1;
  color: var(--muted);
  margin: .2rem 0 0;
  font-size: .9rem;
}

/* Buttons */
.btn {
  --btn-bg: color-mix(in oklab, var(--surface) 92%, var(--bg));
  --btn-fg: var(--text);
  border: 1px solid var(--line);
  background: var(--btn-bg);
  color: var(--btn-fg);
  text-decoration: none;
  display: inline-block;
  padding: .65rem .9rem;
  border-radius: 12px;
  font-weight: 600;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: color-mix(in oklab, var(--accent) 35%, var(--line)); }
.btn.small { padding: .45rem .7rem; font-weight: 700; }
.btn.primary {
  --btn-bg: var(--accent);
  --btn-fg: var(--accent-ink);
  border-color: color-mix(in oklab, var(--accent) 50%, var(--line));
}
.btn.ghost {
  background: transparent;
}

/* Utilities */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 980px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .highlights { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav-links {
    position: absolute;
    right: 1rem;
    top: 64px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: .5rem;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    min-width: 220px;
  }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav-links[aria-expanded="true"] { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .brief .grid { grid-template-columns: 1fr; }
}

/* Motion sensitivity */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}