/* =============================================
   Casibom — style.css
   ============================================= */

/* ---------- Reset & Variables ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0e1020;
  --surface:  #161927;
  --border:   #252840;
  --accent:   #f5a623;
  --accent2:  #e8941a;
  --text:     #e8eaf0;
  --muted:    #8890aa;
  --link:     #f5a623;
  --radius:   10px;
  --shadow:   0 4px 24px rgba(0,0,0,.45);
  --transition: .2s ease;
  --max-w:    1160px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: #0e1020;
  padding: .4rem .9rem;
  border-radius: 0 0 var(--radius) var(--radius);
  font-weight: 700;
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ---------- Header / Nav ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(22,25,39,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  letter-spacing: .02em;
  flex-shrink: 0;
}

.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
}

.brand-badge svg { width: 20px; height: 20px; }

.menu {
  display: flex;
  gap: .15rem;
  flex: 1;
  flex-wrap: wrap;
}

.menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 600;
  padding: .35rem .7rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.menu a:hover,
.menu a:focus {
  color: var(--text);
  background: var(--border);
}

.cta { display: flex; gap: .5rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem 1.2rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text);
  white-space: nowrap;
}

.btn:hover, .btn:focus {
  background: var(--border);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0e1020;
}

.btn.primary:hover, .btn.primary:focus {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #0e1020;
}

/* ---------- Card ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

/* ---------- Hero ---------- */
.hero { padding: 3.5rem 0 2.5rem; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-left { display: flex; flex-direction: column; gap: 1.1rem; }

.kicker {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: .5rem;
}

.stat {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .85rem 1rem;
  text-align: center;
}

.stat .label { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .3rem; }
.stat .value { font-size: 1.3rem; font-weight: 800; color: var(--accent); }

/* Pills */
.pills { display: flex; flex-wrap: wrap; gap: .5rem; }

.pill {
  background: rgba(245,166,35,.12);
  border: 1px solid rgba(245,166,35,.3);
  color: var(--accent);
  border-radius: 99px;
  padding: .3rem .85rem;
  font-size: .8rem;
  font-weight: 600;
}

/* Hero right */
.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
}

.hero-right img {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: 10px;
  display: block;
  border: 1px solid var(--border);
}

.caption {
  font-size: .83rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
}

/* ---------- Sections ---------- */
.section { padding: 3rem 0; border-top: 1px solid var(--border); }

.section h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.5rem;
}

/* ---------- Grid 3 ---------- */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card.feature h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: .6rem;
}

.card.feature p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

/* ---------- Article / Rehber ---------- */
.card.article { line-height: 1.75; }
.card.article .block { margin-bottom: 1.75rem; }
.card.article .block:last-child { margin-bottom: 0; }
.card.article h2, .card.article h3, .card.article h4 {
  color: var(--accent);
  margin-bottom: .6rem;
}
.card.article h2 { font-size: 1.25rem; }
.card.article h3 { font-size: 1.05rem; }
.card.article h4 { font-size: .95rem; }
.card.article p { color: var(--muted); margin-bottom: .75rem; }
.card.article p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.card.faq { display: flex; flex-direction: column; gap: .75rem; }

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

summary {
  padding: 1rem 1.1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  transition: background var(--transition);
}

summary::after {
  content: '▾';
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

details[open] summary::after { transform: rotate(180deg); }
summary:hover { background: rgba(255,255,255,.04); }
details::-webkit-details-marker { display: none; }

details > p {
  padding: .85rem 1.1rem 1rem;
  font-size: .9rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  line-height: 1.65;
}

/* ---------- Forms ---------- */
.card.form label small { color: var(--muted); font-size: .78rem; letter-spacing: .04em; display: block; margin-bottom: .3rem; }

input, textarea {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: .65rem .9rem;
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

input:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 100px; resize: vertical; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

/* ---------- Footer ---------- */
footer {
  margin-top: 2rem;
  border-top: 2px solid var(--accent);
  padding: 2.5rem 0 1.5rem;
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.card.footer-card { background: transparent; border: none; box-shadow: none; padding: 0; }
.card.footer-card p { color: var(--muted); font-size: .88rem; line-height: 1.65; margin-bottom: .6rem; }
.card.footer-card a { color: var(--link); }

.footer-note {
  font-size: .75rem !important;
  color: var(--muted) !important;
  opacity: .7;
  margin-top: .5rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .menu { display: none; }
  .grid3 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 1.5rem; }
}