/* ==========================================================================
   Studio Creative Play — modern stylesheet (pure static, no frameworks)
   Brand: warm paper + orange (#FF6600) + deep red (#990000), Century-Gothic spirit
   ========================================================================== */
:root {
  --orange: #FF6600;
  --orange-dark: #D65600;
  --red: #990000;
  --red-dark: #7A0000;
  --ink: #2A2119;
  --muted: #6F6357;
  --paper: #FBF7F0;
  --card: #FFFFFF;
  --cream: #FFF6EA;
  --line: #EAE1D5;
  --shadow: 0 10px 30px rgba(42, 33, 25, .08);
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}

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

a { color: var(--red); }
a:hover { color: var(--orange-dark); }

::selection { background: rgba(255, 102, 0, .22); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--red); color: #fff;
  padding: 10px 18px; z-index: 100; border-radius: 0 0 8px 0;
  font-weight: 700; text-decoration: none;
}
.skip:focus { left: 0; color: #fff; }

a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible + label {
  outline: 3px solid var(--orange); outline-offset: 2px; border-radius: 6px;
}

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 46px; height: auto; border-radius: 8px; }
.brand-text { font-weight: 700; font-size: 19px; letter-spacing: .2px; line-height: 1.2; }
.brand-text em { font-style: normal; color: var(--orange); }
.brand-text small { display: block; font-size: 10.5px; font-weight: 600; color: var(--muted); letter-spacing: 1.6px; text-transform: uppercase; }

.nav-toggle { position: absolute; opacity: 0; width: 1px; height: 1px; }
.nav-burger { display: none; cursor: pointer; padding: 10px; }
.nav-burger span, .nav-burger span::before, .nav-burger span::after {
  display: block; width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; position: relative; content: "";
}
.nav-burger span::before { position: absolute; top: -7px; }
.nav-burger span::after { position: absolute; top: 7px; }

.site-nav ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a {
  display: block; padding: 9px 12px; border-radius: 8px;
  text-decoration: none; color: var(--ink); font-size: 15px; font-weight: 600;
}
.site-nav a:hover { background: var(--cream); color: var(--orange-dark); }
.site-nav a[aria-current="page"] { background: var(--cream); color: var(--red); }

/* --------------------------------------------------------------------------
   Hero (home) + page hero (inner pages)
   -------------------------------------------------------------------------- */
.hero { background: linear-gradient(180deg, #FFF3E4 0%, var(--paper) 100%); border-bottom: 1px solid var(--line); }
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px;
  align-items: center; padding: 62px 0 58px;
}
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 2.2px;
  text-transform: uppercase; color: var(--orange-dark);
}
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.12; margin: 10px 0 18px; }
.lede { font-size: 18px; color: var(--muted); }
.hero .lede { max-width: 56ch; }
.hero-media img {
  border-radius: var(--radius); box-shadow: var(--shadow);
  margin: 0 auto; background: #fff; padding: 14px; border: 1px solid var(--line);
}

.page-hero { padding: 42px 0 6px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 42px); line-height: 1.15; margin: 10px 0 12px; }
.page-hero .lede { font-size: 17px; max-width: 70ch; }

.breadcrumbs { padding-top: 22px; }
.breadcrumbs ol { display: flex; list-style: none; gap: 8px; margin: 0; padding: 0; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.breadcrumbs li + li::before { content: "›"; margin-right: 8px; color: #C9BCAB; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--orange-dark); text-decoration: underline; }
.breadcrumbs [aria-current="page"] { font-weight: 700; color: var(--ink); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  font-weight: 700; text-decoration: none; font-size: 15px;
  border: 2px solid transparent; transition: background .2s, color .2s;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); color: #fff; }
.btn-outline { border-color: var(--red); color: var(--red); }
.btn-outline:hover { background: var(--red); color: #fff; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* --------------------------------------------------------------------------
   Sections, cards, chips
   -------------------------------------------------------------------------- */
.section { padding: 54px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 74ch; margin: 0 auto 32px; text-align: center; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 32px); margin: 6px 0 10px; }
.section-head p { color: var(--muted); margin: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card h3 { margin: 12px 0 8px; font-size: 19px; line-height: 1.3; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card-badge {
  width: 42px; height: 42px; border-radius: 10px; background: var(--cream);
  color: var(--orange-dark); display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; letter-spacing: .5px;
}
.card-link { display: inline-block; margin-top: 14px; font-weight: 700; color: var(--red); text-decoration: none; font-size: 15px; }
.card-link:hover { color: var(--orange-dark); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: 14px; font-weight: 600;
}

/* --------------------------------------------------------------------------
   Split feature / figures
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; align-items: center; }
.figure {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  background: #fff; border: 1px solid var(--line);
}
.figure img { width: 100%; }
.figcap { font-size: 13px; color: var(--muted); padding: 10px 14px; text-align: center; }
.media-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 26px 0; }
.media-row img { border-radius: 10px; box-shadow: var(--shadow); background: #fff; padding: 8px; border: 1px solid var(--line); width: 100%; }

/* --------------------------------------------------------------------------
   Prose (article bodies), quotes, notes
   -------------------------------------------------------------------------- */
.prose h2 { font-size: clamp(22px, 3vw, 27px); margin: 38px 0 12px; }
.prose h3 { font-size: 19px; margin: 28px 0 10px; }
.prose p { margin: 0 0 16px; max-width: 76ch; }
.prose ul { margin: 0 0 18px; padding-left: 22px; max-width: 74ch; }
.prose li { margin: 0 0 8px; }
.prose blockquote {
  margin: 24px 0; padding: 18px 24px; background: var(--cream);
  border-left: 4px solid var(--orange); border-radius: 0 10px 10px 0; font-style: italic;
}
.quote-src { display: block; margin-top: 8px; font-style: normal; font-size: 13.5px; color: var(--muted); font-weight: 700; }

.note {
  background: var(--cream); border: 1px solid var(--line); border-left: 4px solid var(--orange);
  border-radius: 10px; padding: 18px 22px; margin: 28px 0;
}
.note-title {
  display: block; font-size: 12.5px; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: var(--red); margin-bottom: 8px;
}
.note p { margin: 0; max-width: 80ch; }

/* --------------------------------------------------------------------------
   FAQ (native <details>, no JS)
   -------------------------------------------------------------------------- */
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  margin: 0 0 12px; padding: 0;
}
.faq summary {
  cursor: pointer; padding: 15px 44px 15px 18px; font-weight: 700;
  list-style: none; position: relative; line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 18px; top: 12px;
  color: var(--orange); font-size: 22px; font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq .faq-a { padding: 0 18px 16px; }
.faq .faq-a p { margin: 0 0 10px; }

/* --------------------------------------------------------------------------
   CTA band / footer
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, var(--red) 0%, #5E0000 100%);
  color: #fff; padding: 52px 0; margin-top: 26px;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(23px, 3vw, 31px); margin: 0 0 8px; }
.cta-band p { color: #F3E3DA; margin: 0; max-width: 60ch; }
.cta-band .btn-outline { border-color: #fff; color: #fff; }
.cta-band .btn-outline:hover { background: #fff; color: var(--red); }
.cta-band .btn-primary { background: #fff; color: var(--red); }
.cta-band .btn-primary:hover { background: var(--cream); color: var(--red); }

.site-footer { background: #241C15; color: #CFC3B5; padding: 52px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; }
.footer-title {
  color: #fff; font-size: 13px; font-weight: 800; letter-spacing: 1.8px;
  text-transform: uppercase; margin: 0 0 12px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0; }
.site-footer a { color: #CFC3B5; text-decoration: none; font-size: 14px; line-height: 2.05; }
.site-footer a:hover { color: var(--orange); }
.footer-about p { font-size: 14px; line-height: 1.7; margin: 0 0 12px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { width: 40px; border-radius: 8px; background: #fff; padding: 3px; }
.footer-brand strong { color: #fff; font-size: 16px; }
.footer-address { font-style: normal; font-size: 14px; line-height: 1.8; }
.footer-note {
  border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 36px;
  padding-top: 20px; font-size: 13px; color: #9C8F80; text-align: center;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero-inner, .split { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .media-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-burger { display: block; }
  .site-nav { display: none; width: 100%; }
  .nav-toggle:checked ~ .site-nav { display: block; }
  .site-nav ul { flex-direction: column; padding: 8px 0 14px; gap: 2px; }
  .site-nav a { padding: 11px 12px; }
  .header-inner { flex-wrap: wrap; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 44px 0 40px; }
  .section { padding: 42px 0; }
}

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