/* Quart Projeler — koyu, premium vitrin teması */
:root {
  --bg: #0b0e14;
  --bg-alt: #10141d;
  --card: #151a26;
  --card-hover: #1a2130;
  --border: #232b3d;
  --text: #e8ecf4;
  --muted: #9aa5b8;
  --accent: #5b8cff;
  --accent-2: #8b5bff;
  --green: #2fbf71;
  --radius: 14px;
  font-size: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-size: 1.25rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.brand-mark {
  display: inline-block; width: 1.6em; text-align: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px; margin-right: 2px; color: #fff;
}
.brand-thin { font-weight: 300; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--text); font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 10px; border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important; font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(91, 140, 255, 0.35); }
.btn-lg { padding: 14px 30px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-ghost {
  background: transparent; border: 1px solid var(--border); color: var(--text) !important;
}
.btn-ghost:hover { border-color: var(--accent); box-shadow: none; }

/* Hero */
.hero { padding: 96px 0 72px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto;  height: 130%;
  background:
    radial-gradient(600px 300px at 20% 20%, rgba(91, 140, 255, 0.18), transparent 70%),
    radial-gradient(500px 280px at 80% 10%, rgba(139, 91, 255, 0.14), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero-kicker {
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.8rem;
  color: var(--accent); font-weight: 600; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); line-height: 1.12; letter-spacing: -0.03em; }
.grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { max-width: 640px; margin-top: 20px; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-detail { padding: 64px 0 48px; }

/* Stats */
.stats { border-block: 1px solid var(--border); background: var(--bg-alt); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 28px 24px; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.8rem; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 0.88rem; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-title { font-size: 2rem; letter-spacing: -0.02em; margin-bottom: 8px; }
.section-sub { color: var(--muted); margin-bottom: 40px; max-width: 560px; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; color: var(--text);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); background: var(--card-hover); }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.card-icon {
  font-size: 1.5rem; width: 48px; height: 48px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(91,140,255,0.18), rgba(139,91,255,0.18));
  border: 1px solid var(--border); border-radius: 12px;
}
.card-icon.big { width: 72px; height: 72px; font-size: 2.2rem; flex-shrink: 0; }
.card h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
.card-desc { color: var(--muted); font-size: 0.94rem; flex-grow: 1; }
.card-cta { color: var(--accent); font-weight: 600; font-size: 0.92rem; }

.badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.badge-green { background: rgba(47, 191, 113, 0.15); color: #4fdd93; }
.badge-blue { background: rgba(91, 140, 255, 0.15); color: #7ea4ff; }
.badge-purple { background: rgba(139, 91, 255, 0.16); color: #a98aff; }
.badge-gray { background: rgba(154, 165, 184, 0.15); color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 0.75rem; color: var(--muted); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 999px;
}

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.feature h3 { margin-bottom: 8px; font-size: 1.05rem; }
.feature p { color: var(--muted); font-size: 0.92rem; }

/* Detail page */
.crumbs { color: var(--muted); font-size: 0.88rem; margin-bottom: 24px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.detail-head { display: flex; gap: 20px; align-items: center; margin-bottom: 20px; }
.detail-head h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.02em; }
.detail-meta { display: flex; align-items: center; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.detail-grid { display: grid; grid-template-columns: 1.8fr 1fr; gap: 48px; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.feature-list li {
  padding: 14px 18px 14px 44px; position: relative;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
}
.feature-list li::before {
  content: "✓"; position: absolute; left: 16px; color: var(--green); font-weight: 700;
}
.detail-side {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; height: fit-content; position: sticky; top: 88px;
}
.detail-side h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 6px; }
.detail-side p { color: var(--muted); font-size: 0.94rem; margin-bottom: 20px; }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 13px 16px; color: var(--text); font: inherit;
}
.contact-form :is(input, select, textarea):focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.18);
}
.form-status { font-size: 0.92rem; min-height: 1.4em; }
.captcha-row { align-items: center; }
.captcha-soru { color: var(--muted); font-size: 0.95rem; }
/* Honeypot: bota görünür, insana görünmez */
.hp { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.form-status.ok { color: var(--green); }
.form-status.err { color: #ff7a7a; }

/* Fiyat ve olgunluk */
.fiyat { color: var(--green); font-weight: 700; }
.fiyat-buyuk { color: var(--green) !important; font-weight: 700; font-size: 1.15rem !important; }
.seviye-bar {
  height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; margin: 6px 0 8px;
}
.seviye-bar span {
  display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 40px 0 24px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; align-items: center; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }
.muted { color: var(--muted); }
.copyright { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; }

/* Reveal animasyonu */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 820px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .detail-grid, .contact-wrap { grid-template-columns: 1fr; }
  .detail-side { position: static; }
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
  .hero { padding: 64px 0 48px; }
}