/* ========================================================================
   Arzu Saydam — Author Platform
   Shared stylesheet
   Palette drawn from the AS logo: warm gold, ink black, cream paper
   ======================================================================== */

:root {
  --gold: #b08d46;
  --gold-soft: #c8ad78;
  --ink: #1c1b19;
  --ink-soft: #3d3a35;
  --paper: #faf7f1;
  --paper-2: #f2ece1;
  --line: #e4dccd;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(28, 27, 25, 0.12);
  --radius: 1.5rem;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ---------- Bilingual (Turkish default, English via toggle) ---------- */
html.lang-en [data-lang="tr"] { display: none !important; }
html:not(.lang-en) [data-lang="en"] { display: none !important; }
.lang-switch { display: inline-flex; align-items: center; gap: 2px; font-size: 0.82rem; }
.lang-switch button {
  background: none; border: none; cursor: pointer; color: inherit; font: inherit;
  padding: 2px 6px; border-radius: 6px; opacity: 0.6; letter-spacing: 0.04em;
}
.lang-switch button.active { opacity: 1; font-weight: 600; color: var(--gold); }
.on-dark .lang-switch button.active { color: #fff; }
.lang-switch .sep { opacity: 0.4; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; color: var(--ink); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.stagger { opacity: 0; animation: fadeInUp 0.9s ease-out forwards; }
.d1 { animation-delay: 0.15s; }
.d2 { animation-delay: 0.45s; }
.d3 { animation-delay: 0.8s; }
.d4 { animation-delay: 1.15s; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: #fff; padding: 0.8rem 1.4rem; border-radius: 0 0 10px 0;
  font-size: 0.9rem; font-weight: 600;
}
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  .stagger { animation: none; opacity: 1; }
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Top navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 241, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav.on-dark {
  position: absolute; top: 0; left: 0; width: 100%;
  background: transparent; border-bottom: none; backdrop-filter: none;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 1.1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand .mark {
  font-family: var(--serif); font-weight: 700; letter-spacing: 0.12em;
  font-size: 1.15rem; text-transform: uppercase;
}
.brand .mark small { display: block; font-family: var(--sans); font-weight: 400;
  letter-spacing: 0.35em; font-size: 0.52rem; color: var(--gold); text-transform: uppercase; margin-top: 2px; }
.on-dark .brand .mark { color: #fff; }
.on-dark .brand .mark small { color: rgba(255,255,255,0.85); }

.menu { display: flex; align-items: center; gap: 1.7rem; list-style: none; }
.menu a { font-size: 0.9rem; color: var(--ink-soft); transition: color 0.2s; }
.menu a:hover, .menu a.active { color: var(--gold); }
.on-dark .menu a { color: rgba(255,255,255,0.9); }
.on-dark .menu a:hover, .on-dark .menu a.active { color: #fff; }

.btn {
  display: inline-block; font-family: var(--sans); font-size: 0.9rem; font-weight: 500;
  padding: 0.7rem 1.5rem; border-radius: 999px; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #9a7a38; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-white { background: #fff; color: var(--ink); }
.btn-lg { padding: 0.95rem 2rem; font-size: 1rem; }

.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: #fff; border-radius: 12px; cursor: pointer; align-items: center; justify-content: center; }
.on-dark .nav-toggle { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.4); }
.nav-toggle svg { width: 22px; height: 22px; }
.on-dark .nav-toggle svg { stroke: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; overflow: hidden;
}

/* Full-bleed video hero */
.hero--video { background: #0d1b2a; justify-content: flex-end; padding-bottom: 3rem; min-height: 94vh; }
.hero--video .hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
  background: url('assets/hero_poster.jpg?v=2') center/cover no-repeat;
}
.hero--video .v-scrim-top {
  position: absolute; top: 0; left: 0; width: 100%; height: 26%; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(10,20,35,0.5) 0%, rgba(10,20,35,0) 100%);
}
.hero--video .v-scrim-bottom {
  position: absolute; bottom: 0; left: 0; width: 100%; height: 55%; z-index: 1; pointer-events: none;
  background: linear-gradient(0deg, rgba(8,16,28,0.82) 0%, rgba(8,16,28,0.28) 50%, rgba(8,16,28,0) 100%);
}

.hero-content { position: relative; z-index: 6; margin-top: 1.2rem; padding: 0 1.5rem; }
.hero-content h1 { color: #fff; font-size: clamp(2.4rem, 6vw, 4rem); text-shadow: 0 2px 24px rgba(0,0,0,0.25); }
.hero-content h1 em { font-style: italic; color: #fff; }
.hero-content p { color: rgba(255,255,255,0.95); font-size: 1.1rem; max-width: 560px; margin: 1rem auto 1.8rem;
  text-shadow: 0 1px 12px rgba(0,0,0,0.3); }
.hero-cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 5rem 0; }
.section-tag { font-family: var(--sans); letter-spacing: 0.28em; text-transform: uppercase;
  font-size: 0.72rem; color: var(--gold); font-weight: 600; margin-bottom: 0.8rem; }
.section-title { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--ink-soft); }
.center { text-align: center; }
.divider { width: 60px; height: 1px; background: var(--gold); margin: 1.2rem auto; position: relative; }
.divider::after { content: '✦'; position: absolute; top: -0.7rem; left: 50%; transform: translateX(-50%);
  color: var(--gold); font-size: 0.8rem; background: var(--paper); padding: 0 6px; }

.alt { background: var(--paper-2); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.6rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 30px 70px rgba(28,27,25,0.16); }
.card .body { padding: 1.6rem; }
.card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.card .meta { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.6rem; }
.card p { color: var(--ink-soft); font-size: 0.97rem; }
.card .thumb { aspect-ratio: 3/2; background: linear-gradient(135deg, var(--paper-2), var(--line)); }

/* Book layout */
.book { display: grid; grid-template-columns: 320px 1fr; gap: 3rem; align-items: start; }
.book-cover { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
  aspect-ratio: 2/3; background: linear-gradient(160deg, #26303a, #121820); position: relative; }
.book-cover .cover-inner { position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 1.4rem; color: #f3ead6; }
.book-cover .cover-inner .t { font-family: var(--serif); font-size: 1.5rem; line-height: 1.2; }
.book-cover .cover-inner .a { margin-top: auto; font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold-soft); }
.book-cover .cover-inner .leaf { font-size: 2rem; color: var(--gold-soft); margin-bottom: 0.8rem; }
.formats { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 1rem 0; }
.chip { font-size: 0.78rem; padding: 0.35rem 0.85rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); }
.sample { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--gold);
  border-radius: 12px; padding: 1.8rem 2rem; margin-top: 1.4rem; }
.sample p { color: var(--ink-soft); margin-bottom: 1rem; }
.sample p:first-of-type::first-letter { font-family: var(--serif); font-size: 3.2rem; float: left;
  line-height: 0.8; padding: 0.3rem 0.6rem 0 0; color: var(--gold); }

/* Quote / testimonial */
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem;
  box-shadow: var(--shadow); }
.quote p { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--ink-soft); }
.quote .by { font-family: var(--sans); font-style: normal; font-size: 0.85rem; color: var(--gold);
  margin-top: 1rem; letter-spacing: 0.06em; }

/* Forms */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; margin-bottom: 0.4rem; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--line); border-radius: 12px;
  font-family: var(--sans); font-size: 0.95rem; background: #fff; color: var(--ink); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }

/* Newsletter band */
.band { background: linear-gradient(135deg, #1f2831, #2c3a44); color: #f3ead6; border-radius: var(--radius); padding: 3rem; text-align: center; }
.band h2 { color: #fff; }
.band p { color: rgba(255,255,255,0.82); }
.band .gift { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2); padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.85rem; margin-bottom: 1.2rem; }

/* FAQ */
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.2rem 1.5rem; margin-bottom: 1rem; }
.faq summary { font-family: var(--serif); font-size: 1.15rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--gold); font-size: 1.4rem; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin-top: 0.9rem; color: var(--ink-soft); }

/* Media kit downloads */
.dl { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.4rem; margin-bottom: 0.8rem; }
.dl .n { font-weight: 500; }
.dl .s { font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #cfc8bb; padding: 3.5rem 0 2rem; }
.footer a { color: #cfc8bb; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer h4 { color: #fff; font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.5rem; font-size: 0.92rem; }
.footer .brand .mark { color: #fff; }
.footer .socials { display: flex; gap: 0.8rem; margin-top: 1rem; }
.footer .socials a { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; }
.footer .socials svg { width: 18px; height: 18px; fill: #cfc8bb; }
.footer .socials a:hover { background: var(--gold); border-color: var(--gold); }
.footer .socials a:hover svg { fill: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 2.5rem; padding-top: 1.5rem;
  font-size: 0.82rem; color: #9a9284; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem; }

/* ---------- Page header (interior pages) ---------- */
.page-head { background: linear-gradient(180deg, var(--paper-2), var(--paper)); padding: 6.5rem 0 3rem; text-align: center; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
.page-head p { color: var(--ink-soft); max-width: 620px; margin: 1rem auto 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .book { grid-template-columns: 1fr; }
  .book-cover { max-width: 280px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .menu { display: none; position: absolute; top: 68px; right: 1.5rem; flex-direction: column;
    background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1rem 1.4rem;
    box-shadow: var(--shadow); min-width: 200px; align-items: flex-start; gap: 0.9rem; }
  .menu.open { display: flex; }
  .menu a { color: var(--ink-soft); }
  .nav-toggle { display: flex; }
  .band { padding: 2rem 1.4rem; }
}