@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,700;1,500&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary: oklch(0.2 0.03 265);       /* İnk Lacivert */
  --primary-light: oklch(0.30 0.035 265);
  --accent: oklch(0.62 0.14 40);        /* Toprak Turuncu */
  --accent-light: oklch(0.68 0.13 40);
  --accent-dark: oklch(0.52 0.15 40);
  --bg: oklch(0.985 0.008 75);          /* Krem */
  --card-bg: #ffffff;
  --border: oklch(0.9 0.012 75);
  --text: oklch(0.22 0.02 265);
  --muted: oklch(0.5 0.02 265);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', -apple-system, "Segoe UI", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; color: var(--primary); margin: 0 0 12px; }
p { margin: 0 0 14px; }
a { color: var(--accent-dark); }
img { max-width: 100%; display: block; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Logo / marka mührü */
.brand-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-logo-main { font-family: 'Playfair Display', Georgia, serif; font-weight: 700; font-size: 18px; letter-spacing: 0.02em; }
.brand-logo-sub { font-family: 'Playfair Display', Georgia, serif; font-style: italic; font-weight: 500; font-size: 13px; color: var(--accent); }
.brand-logo-light .brand-logo-main { color: #f7f2ea; }
.brand-logo-dark .brand-logo-main { color: var(--primary); }

/* Header / nav */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav-right { display: flex; align-items: center; gap: 26px; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a { text-decoration: none; color: var(--text); font-size: 14px; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a.active { color: var(--accent-dark); border-bottom-color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary); }
.nav-only-mobile { display: none; }
.portal-btn { padding: 10px 18px; font-size: 13px; white-space: nowrap; }

/* Hero */
.hero { background: var(--primary); color: #fff; padding: 90px 0 80px; text-align: center; }
.hero h1 { color: #fff; font-size: 40px; margin-bottom: 14px; }
.hero .tagline { font-family: 'Playfair Display', Georgia, serif; font-style: italic; color: var(--accent-light); font-size: 18px; margin-bottom: 20px; }
.hero p.lead { max-width: 620px; margin: 0 auto 26px; color: rgba(255,255,255,0.85); font-size: 16px; }

.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none; padding: 13px 26px;
  border-radius: 5px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .15s;
}
.btn:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-secondary { background: var(--primary); }
.btn-secondary:hover { background: var(--primary-light); }

/* Genel bölüm */
.section { padding: 70px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head .eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; color: var(--accent-dark); font-weight: 600; margin-bottom: 8px; display: block; }
.section-head h2 { font-size: 30px; margin-bottom: 10px; }
.section-head p { color: var(--muted); }

/* Değerler / özellik kutuları */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.feature-box { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px 24px; text-align: center; }
.feature-box .feature-icon { width: 46px; height: 46px; margin: 0 auto 14px; }
.feature-box h3 { font-size: 17px; margin-bottom: 8px; }
.feature-box p { color: var(--muted); font-size: 14px; margin: 0; }

/* Proje / görsel yer tutucuları */
.placeholder-visual {
  background: linear-gradient(135deg, oklch(0.94 0.01 75), oklch(0.9 0.015 75));
  border: 1px dashed var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--muted); font-size: 13px; gap: 10px; border-radius: 10px;
}
.placeholder-visual svg { opacity: 0.55; }

.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.project-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.project-card .placeholder-visual { height: 190px; border-radius: 0; border: none; border-bottom: 1px solid var(--border); }
.project-card-body { padding: 18px 20px; }
.project-card-body h3 { font-size: 16px; margin-bottom: 4px; }
.project-card-body p { color: var(--muted); font-size: 13px; margin: 0; }

.home-project-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; margin-bottom: 30px; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.contact-info-item { margin-bottom: 22px; }
.contact-info-item .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-dark); font-weight: 600; margin-bottom: 4px; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.contact-form label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 5px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 5px; font-size: 14px; font-family: inherit; background: var(--bg);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form button { margin-top: 18px; width: 100%; }
.form-success { background: #e5f3e9; color: #1f6b3a; padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.form-error { background: #fbe8e5; color: #b3392c; padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }

/* Footer */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.8); padding: 50px 0 0; margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; padding-bottom: 36px; }
.footer-col h4 { color: #fff; font-family: 'Inter', sans-serif; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-col p { font-size: 14px; margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.8); text-decoration: none; }
.footer-col a:hover { color: var(--accent-light); }
.footer-text { color: rgba(255,255,255,0.65); font-size: 13px; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding: 16px 24px; text-align: center; font-size: 12px; color: rgba(255,255,255,0.55); }

@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .portal-btn { display: none; }
  .nav-only-mobile { display: block; }
  .nav-right { position: static; }
  .site-nav { position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--border); display: none; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 24px; border-bottom: 1px solid var(--border); }
  .site-nav .portal-link { color: var(--accent-dark); font-weight: 700; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}