/* Hafiza — Learn Turkish. Palette derived from app icon (Turkish-flag red on white)
   Primary #d61920 · Deep red #a90f16 · Turquoise accent #0b636b · Cream paper #faf6f1 */

:root {
  --red: #d61920;
  --red-deep: #a90f16;
  --red-soft: #fbe9e9;
  --turq: #0b636b;
  --turq-soft: #e3f1f2;
  --ink: #211f22;
  --ink-2: #55505a;
  --paper: #fffdfb;
  --cream: #faf6f1;
  --line: #e9e0d6;
  --card: #ffffff;
  --shadow: 0 6px 24px rgba(60, 20, 20, 0.09);
  --radius: 14px;
  --maxw: 68rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --red: #ff6b6e;
    --red-deep: #ff8a8d;
    --red-soft: #3a2224;
    --turq: #6fc9d1;
    --turq-soft: #163336;
    --ink: #ece7e1;
    --ink-2: #b5aeb9;
    --paper: #171519;
    --cream: #1f1c21;
    --line: #38333c;
    --card: #262229;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin: 0 0 1rem; }
h3 { font-size: 1.2rem; margin: 1.6rem 0 0.5rem; }
p { margin: 0 0 1rem; }
a { color: var(--turq); text-underline-offset: 3px; }
a:hover { color: var(--red); }
img { max-width: 100%; height: auto; }
strong { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--turq);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--red-deep);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* kilim-inspired top band */
.kilim {
  height: 6px;
  background: repeating-linear-gradient(135deg,
    var(--red) 0 14px, var(--paper) 14px 18px,
    var(--turq) 18px 32px, var(--paper) 32px 36px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.6rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.05rem;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.brand:hover { color: var(--red); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}
.site-nav ul {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink-2);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--red); }
.site-nav .nav-cta {
  color: var(--red-deep);
  font-weight: 700;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 1.25rem 1rem; }
  .site-nav a { display: block; padding: 0.7rem 0; }
}

/* Hero */
.hero { background: var(--cream); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--turq);
  background: var(--turq-soft);
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  margin-bottom: 1.1rem;
}
.hero h1 .accent { color: var(--red); }
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 34em; }
.hero-meta { font-size: 0.9rem; color: var(--ink-2); margin-top: 0.9rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; margin-top: 1.6rem; }

.appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 0.65rem 1.3rem;
  border-radius: 12px;
  line-height: 1.15;
  border: 1px solid transparent;
}
@media (prefers-color-scheme: dark) {
  .appstore-btn { background: #f4f1ee; color: #1b191c; }
}
.appstore-btn:hover { background: var(--red-deep); color: #fff; }
.appstore-btn svg { width: 26px; height: 26px; flex: none; }
.appstore-btn .small { display: block; font-size: 0.66rem; letter-spacing: 0.02em; opacity: 0.85; }
.appstore-btn .big { display: block; font-size: 1.15rem; font-weight: 600; }

.btn-secondary {
  display: inline-block;
  padding: 0.85rem 1.3rem;
  border: 2px solid var(--red);
  border-radius: 12px;
  color: var(--red-deep);
  font-weight: 600;
  text-decoration: none;
}
.btn-secondary:hover { background: var(--red-soft); color: var(--red-deep); }

/* Flashcard mock (text-only, no fabricated UI) */
.hero-visual { position: relative; display: grid; place-items: center; }
.flashcard {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 2.2rem 2.4rem;
  text-align: center;
  transform: rotate(-2.5deg);
  max-width: 20rem;
  width: 100%;
}
.flashcard .tr {
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  font-size: 2.4rem;
  color: var(--red);
  margin: 0;
}
.flashcard .en { color: var(--ink-2); font-size: 1.05rem; margin: 0.3rem 0 1.2rem; }
.flashcard .suffix-note {
  font-size: 0.85rem;
  color: var(--turq);
  background: var(--turq-soft);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  margin: 0;
}
.flashcard-back {
  position: absolute;
  inset: auto;
  background: var(--red);
  border-radius: 20px;
  width: 78%;
  height: 82%;
  transform: rotate(3.5deg) translate(6%, 8%);
  z-index: -1;
  opacity: 0.18;
}
.leitner-dots { display: flex; gap: 0.45rem; justify-content: center; margin-top: 1.2rem; }
.leitner-dots span {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--line);
}
.leitner-dots span.done { background: var(--red); }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 2.2rem; padding-top: 2.6rem; padding-bottom: 2.6rem; }
  .hero-visual { order: 2; }
}

/* Stats band */
.stats { background: var(--red-deep); color: #fff; }
@media (prefers-color-scheme: dark) { .stats { background: #571317; } }
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1.2rem;
  padding-top: 1.7rem;
  padding-bottom: 1.7rem;
  text-align: center;
}
.stats b { display: block; font-size: 1.9rem; font-family: "Iowan Old Style", Palatino, Georgia, serif; }
.stats span { font-size: 0.88rem; opacity: 0.92; }

/* Sections */
section { padding: 3.6rem 0; }
section.alt { background: var(--cream); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-kicker {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--red); margin: 0 0 0.4rem;
}
.section-intro { color: var(--ink-2); max-width: 44em; }

/* Cards */
.grid { display: grid; gap: 1.3rem; margin-top: 2rem; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid.cols-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.3rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; color: var(--ink-2); font-size: 0.98rem; }
.card .num {
  display: inline-grid;
  place-items: center;
  width: 2.2rem; height: 2.2rem;
  border-radius: 50%;
  background: var(--red-soft);
  color: var(--red-deep);
  font-weight: 800;
  margin-bottom: 0.7rem;
}
.card.turq .num { background: var(--turq-soft); color: var(--turq); }

/* Word demo (suffix anatomy) */
.word-anatomy {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  margin: 2rem 0 0;
  font-size: 1.05rem;
  overflow-x: auto;
}
.word-anatomy .word {
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  font-size: 1.7rem;
  letter-spacing: 0.02em;
}
.word-anatomy .root { color: var(--ink); }
.word-anatomy .sfx { color: var(--red); }
.word-anatomy .sfx2 { color: var(--turq); }
.word-anatomy .gloss { color: var(--ink-2); font-size: 0.95rem; margin-top: 0.4rem; }

/* Level table */
.levels { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; margin-top: 2rem; }
@media (max-width: 720px) { .levels { grid-template-columns: 1fr; } }
.level-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.level-card header { padding: 0.9rem 1.5rem; font-weight: 700; color: #fff; background: var(--red-deep); }
.level-card.turq header { background: var(--turq); }
@media (prefers-color-scheme: dark) {
  .level-card header { background: #7c1418; }
  .level-card.turq header { background: #0e4a50; }
}
.level-card ul { margin: 0; padding: 1.1rem 1.5rem 1.3rem 2.4rem; color: var(--ink-2); }
.level-card li { margin-bottom: 0.35rem; }

/* Privacy checklist */
.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.7rem; max-width: 34rem; }
.check-list li { padding-left: 2rem; position: relative; }
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.35rem;
  width: 1.1rem; height: 1.1rem;
  border-radius: 50%;
  background: var(--turq-soft);
  border: 2px solid var(--turq);
}
.check-list li::after {
  content: "";
  position: absolute; left: 0.3rem; top: 0.62rem;
  width: 0.5rem; height: 0.28rem;
  border-left: 2px solid var(--turq);
  border-bottom: 2px solid var(--turq);
  transform: rotate(-45deg);
}

/* FAQ */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 0.8rem; background: var(--card); }
.faq-item h3 { margin: 0; font-family: inherit; font-size: 1.02rem; }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  font: inherit;
  font-weight: 600;
  color: var(--ink);
  padding: 1.05rem 3rem 1.05rem 1.3rem;
  cursor: pointer;
  position: relative;
  border-radius: var(--radius);
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 1.2rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--red);
  transition: transform 0.2s;
}
.faq-q[aria-expanded="true"]::after { content: "–"; }
.faq-a { padding: 0 1.3rem 1.15rem; color: var(--ink-2); }
.faq-a[hidden] { display: none; }
.faq-a p { margin-bottom: 0; }

/* Guides listing */
.guide-card { text-decoration: none; display: block; }
.guide-card:hover h3 { color: var(--red); }
.guide-card .tag { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--turq); }
.guide-card p { color: var(--ink-2); }

/* Footer */
.site-footer { background: var(--ink); color: #cfc8c2; padding: 2.8rem 0 2.2rem; margin-top: 0; }
@media (prefers-color-scheme: dark) { .site-footer { background: #100e12; } }
.site-footer a { color: #f0d9d9; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { color: #fff; font-size: 1.05rem; font-family: inherit; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.footnote { border-top: 1px solid #443f47; margin-top: 2rem; padding-top: 1.3rem; font-size: 0.85rem; color: #a39c96; }

/* ===== Article / guide pages ===== */
.article-header { background: var(--cream); border-bottom: 1px solid var(--line); padding: 2.6rem 0 2.2rem; }
.breadcrumb { font-size: 0.88rem; color: var(--ink-2); margin: 0 0 1rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 0.4rem; color: var(--ink-2); }
.article-meta { color: var(--ink-2); font-size: 0.9rem; }

article.guide { max-width: 44rem; margin: 0 auto; padding: 2.5rem 1.25rem 3.5rem; }
article.guide h2 { margin-top: 2.4rem; }
article.guide ul, article.guide ol { padding-left: 1.4rem; color: var(--ink); }
article.guide li { margin-bottom: 0.45rem; }
article.guide table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: 0.95rem; }
article.guide th, article.guide td { border: 1px solid var(--line); padding: 0.55rem 0.8rem; text-align: left; }
article.guide th { background: var(--cream); }
.table-scroll { overflow-x: auto; }
.tr-example {
  background: var(--cream);
  border-left: 4px solid var(--red);
  border-radius: 0 10px 10px 0;
  padding: 0.9rem 1.2rem;
  margin: 1.2rem 0;
}
.tr-example .tr-line { font-family: "Iowan Old Style", Palatino, Georgia, serif; font-size: 1.15rem; }
.tr-example .tr-gloss { color: var(--ink-2); font-size: 0.92rem; }

.app-callout {
  background: var(--red-soft);
  border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  margin: 2.4rem 0 1rem;
}
.app-callout h2, .app-callout h3 { margin-top: 0; }
.next-guides { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.5rem; }
.next-guides ul { padding-left: 1.2rem; }