/* DrumThings site. Colours, radii and type follow the app's "Studio" theme (Theme.swift). */

@font-face { font-family: "DM Sans"; src: url("../fonts/DMSans-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/DMSans-Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/DMSans-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/DMSans-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "DM Mono"; src: url("../fonts/DMMono-Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }

:root {
  color-scheme: light dark;
  --canvas: #F3F4F8;
  --card: #FFFFFF;
  --line: #E4E6EE;
  --soft: #EEF0F5;
  --accent: #4B4FF0;
  --accent-soft: #E8E9FE;
  --accent-text: #3A3ED8;
  --on-accent: #FFFFFF;
  --pill: #14172B;
  --ink: #14172B;
  --muted: #4D5270;
  --radius: 24px;
  --shadow: 0 24px 60px rgba(20, 23, 43, 0.14);
  --sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0E0F1A;
    --card: #1A1C2B;
    --line: #2A2D42;
    --soft: #262A3D;
    --accent: #8C90FF;
    --accent-soft: #2A2C5C;
    --accent-text: #B4B7FF;
    --on-accent: #0E0F1A;
    --pill: #262A45;
    --ink: #F3F4F8;
    --muted: #B7BBD0;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--card); padding: 8px 14px; border-radius: 999px; }

/* Header: a floating pill, like the app's tab bar. */
.site-header { position: sticky; top: 0; z-index: 5; padding: 12px 0; }
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  background: color-mix(in srgb, var(--card) 86%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 8px 8px 12px;
  box-shadow: 0 8px 24px rgba(20, 23, 43, 0.08);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px;
}
.nav-links a:hover { color: var(--ink); background: var(--soft); }
.nav-links a[aria-current="page"] { color: var(--accent-text); background: var(--accent-soft); }
@media (max-width: 420px) {
  .nav { flex-wrap: nowrap; }
  .brand { font-size: 17px; }
  .nav-links a { padding: 0 11px; font-size: 14px; }
}

/* Type */
.kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 14px; }
h1, h2, h3 { margin: 0; letter-spacing: -0.03em; line-height: 1.06; }
h1 { font-size: clamp(40px, 7vw, 72px); font-weight: 700; }
h2 { font-size: clamp(30px, 4.6vw, 48px); font-weight: 700; }
h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 40ch; margin: 18px 0 0; }

/* Buttons, after StudioPrimaryButtonStyle / StudioSecondaryButtonStyle. */
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px;
  border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { color: var(--on-accent); opacity: 0.88; }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { color: var(--ink); background: var(--soft); }
.btn[aria-disabled="true"] { cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.note { font-size: 14px; color: var(--muted); margin: 12px 0 0; }

/* Hero */
.hero { padding: 40px 0 24px; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero-grid > *, .split > * { min-width: 0; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1fr 1fr; gap: 56px; } .hero { padding: 72px 0 40px; } }
.hero-icon { width: 88px; height: 88px; border-radius: 20px; box-shadow: 0 16px 40px rgba(75, 79, 240, 0.3); margin-bottom: 28px; }

/* A screenshot inside a dark bezel, as in the App Store screenshots. */
.device {
  background: #14172B; padding: 10px; border-radius: 34px; box-shadow: var(--shadow);
}
.device img { border-radius: 25px; width: 100%; }
@media (prefers-color-scheme: dark) { .device { background: #2A2D42; } }
.device-wide { padding: 8px; border-radius: 26px; }
.device-wide img { border-radius: 19px; }

/* Sections */
.section { padding: 56px 0; }
@media (min-width: 900px) { .section { padding: 88px 0; } }
.section-head { max-width: 640px; margin-bottom: 36px; }
.split { display: grid; gap: 36px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 5fr 6fr; gap: 64px; } .split.flip > :first-child { order: 2; } }

.band-dark {
  background: #0E0F1A; color: #F3F4F8;
  --ink: #F3F4F8; --muted: #B7BBD0; --accent-text: #B4B7FF; --line: #2A2D42; --card: #1A1C2B;
}
@media (prefers-color-scheme: dark) { .band-dark { background: #14172B; } }

.list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 12px; }
.list li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); }
.list li strong { color: var(--ink); font-weight: 600; }
.list svg { flex: none; margin-top: 3px; color: var(--accent-text); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.chip { padding: 8px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-weight: 600; font-size: 15px; }

/* Cards, after studioCard(). */
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.card p { margin: 10px 0 0; color: var(--muted); font-size: 16px; }
.icon-tile {
  width: 48px; height: 48px; border-radius: 14px; background: var(--accent-soft); color: var(--accent-text);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}

.credit { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.credit p { margin: 8px 0 0; color: var(--muted); }

/* Long-form pages: privacy and support. */
.page { padding: 32px 0 72px; }
.page-head { margin: 24px 0 36px; }
.prose { max-width: 720px; }
.prose h2 { font-size: 26px; margin: 44px 0 12px; letter-spacing: -0.02em; }
.prose h3 { margin: 28px 0 8px; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--ink); }
.prose ul { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.summary { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; }
.summary ul { margin: 12px 0 0; }

.contact-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.contact-card .email { font-size: 20px; font-weight: 600; color: var(--ink); text-decoration: none; word-break: break-all; }

details.faq { background: var(--card); border: 1px solid var(--line); border-radius: 20px; margin-bottom: 12px; }
details.faq summary {
  cursor: pointer; list-style: none; padding: 20px 24px; min-height: 44px; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent-text); font-size: 22px; line-height: 1; }
details.faq[open] summary::after { content: "–"; }
details.faq .answer { padding: 0 24px 20px; color: var(--muted); }
details.faq .answer p { margin: 0 0 10px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 15px; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 20px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--muted); display: inline-flex; min-height: 44px; align-items: center; }
.footer-links a:hover { color: var(--ink); }
.fine { font-size: 13px; margin: 16px 0 0; }