/* ============================================================
   FRONTEND STYLES — Fatoş'un Çeyiz Piko ve Tasarım Evi
   2040 konsepti: zarif, minimal, premium — ama kullanımı basit
   ============================================================ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0 0 .5em; letter-spacing: .01em; }
p { margin: 0 0 1em; color: var(--color-muted); }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* Skip link (erişilebilirlik) */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff; padding: 10px 16px; z-index: 999; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* -------- Header -------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-surface) 85%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--color-text); }
.brand img { height: 44px; width: auto; border-radius: 10px; }
.main-nav { display: flex; gap: 6px; align-items: center; }
.main-nav a {
  padding: 10px 18px; border-radius: 999px; font-weight: 500; font-size: .95rem;
  color: var(--color-text); transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active { background: var(--color-surface-2); color: var(--color-primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-surface-2); cursor: pointer; display: grid; place-items: center;
  font-size: 1.1rem; transition: transform var(--transition);
}
.theme-toggle-btn:hover { transform: scale(1.08); }
.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 8px; background: #25D366; color: #fff !important;
  padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: .9rem;
  box-shadow: 0 8px 24px rgba(37,211,102,.35); transition: transform var(--transition);
}
.btn-whatsapp:hover { transform: translateY(-2px); }
.mobile-menu-btn { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--color-text); }

@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 0 0 0 30%; background: var(--color-surface); flex-direction: column;
    padding: 100px 30px 30px; transform: translateX(100%); transition: transform .3s ease; z-index: 90;
    box-shadow: -20px 0 60px rgba(0,0,0,.15); }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { width: 100%; padding: 14px 18px; font-size: 1.05rem; }
  .mobile-menu-btn { display: block; }
  .header-actions .btn-whatsapp span { display: none; }
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2)); color: #fff; box-shadow: 0 12px 30px color-mix(in srgb, var(--color-primary) 40%, transparent); }
.btn-primary:hover { transform: translateY(-3px); }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* -------- Hero -------- */
.hero {
  position: relative; overflow: hidden; padding: 90px 0 100px;
  background: radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--color-primary) 18%, transparent), transparent 60%),
              radial-gradient(900px 500px at 0% 110%, color-mix(in srgb, var(--color-accent) 16%, transparent), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px;
  background: var(--color-surface-2); color: var(--color-secondary); font-size: .8rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 20px; border: 1px solid var(--color-border); }
.hero h1 { font-size: clamp(2.2rem, 4vw, 3.6rem); line-height: 1.12; color: var(--color-text); }
.hero p.lead { font-size: 1.15rem; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/5;
  box-shadow: var(--shadow-soft), var(--shadow-glow); border: 1px solid var(--color-border); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge {
  position: absolute; bottom: 20px; left: 20px; right: 20px; background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(10px); border-radius: var(--radius-md); padding: 16px 20px; border: 1px solid var(--color-border);
  z-index: 5;
}

/* ---- Anasayfa Hero Slaytı (kategori başına en son ürün) ---- */
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 900ms ease; display: block;
}
.hero-slide.active { opacity: 1; visibility: visible; z-index: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-dots {
  position: absolute; top: 18px; right: 18px; display: flex; gap: 8px; z-index: 6;
}
.hero-dot {
  width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.8);
  background: rgba(255,255,255,.25); cursor: pointer; padding: 0; transition: all .25s ease;
}
.hero-dot.active { background: #fff; transform: scale(1.3); }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: 50px 0 60px; } }

/* -------- Section headings -------- */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .eyebrow { color: var(--color-secondary); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .8rem; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--color-text); }

/* -------- Cards / Grid -------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.card-media { aspect-ratio: 4/3; overflow: hidden; background: var(--color-surface-2); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 20px 22px 24px; }
.card-body h3 { font-size: 1.15rem; color: var(--color-text); }
.card-cat { font-size: .75rem; color: var(--color-secondary); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

/* ---- Kategori Filtre Çubuğu (chips) ---- */
.filter-bar { display: flex; flex-direction: column; gap: 20px; align-items: center; margin-bottom: 40px; }
.category-chips { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 10px 20px; border-radius: 999px;
  border: 1.5px solid var(--color-border); background: var(--color-surface); color: var(--color-text);
  font-weight: 600; font-size: .9rem; transition: all var(--transition); white-space: nowrap;
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.chip.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2)); color: #fff; border-color: transparent;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-primary) 35%, transparent);
}
.chip-count {
  font-size: .72rem; background: color-mix(in srgb, currentColor 15%, transparent); padding: 2px 8px; border-radius: 999px;
  min-width: 20px; text-align: center;
}
.chip.active .chip-count { background: rgba(255,255,255,.25); }

.search-form {
  display: flex; align-items: center; gap: 10px; background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: 999px; padding: 6px 8px 6px 18px; width: 100%; max-width: 420px; position: relative;
}
.search-form:focus-within { border-color: var(--color-primary); }
.search-icon { font-size: .95rem; opacity: .6; flex-shrink: 0; }
.search-form input[type="text"] {
  border: 0; background: transparent; padding: 8px 4px; flex: 1; min-width: 0; font-size: .92rem;
}
.search-form input[type="text"]:focus { outline: none; }
.search-clear {
  width: 24px; height: 24px; border-radius: 50%; background: var(--color-surface-2); display: grid; place-items: center;
  font-size: .75rem; color: var(--color-muted); flex-shrink: 0;
}
.search-clear:hover { background: var(--danger); color: #fff; }
.search-submit { padding: 10px 22px; flex-shrink: 0; }
@media (max-width: 560px) {
  .search-form { max-width: 100%; flex-wrap: wrap; border-radius: var(--radius-md); padding: 12px; }
  .search-submit { width: 100%; justify-content: center; }
}

/* -------- Skeleton loading -------- */
.skeleton { background: linear-gradient(100deg, var(--color-surface-2) 30%, var(--color-border) 50%, var(--color-surface-2) 70%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius-sm); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* -------- Feature list (Hakkımızda uzmanlık alanları) -------- */
.feature-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border-radius: var(--radius-md);
  background: var(--color-surface-2); border: 1px solid var(--color-border); }
.feature-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2)); color: #fff; font-size: 1.3rem; }

/* -------- CTA band -------- */
.cta-band { border-radius: var(--radius-lg); padding: 60px; text-align: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 92%, black), color-mix(in srgb, var(--color-secondary) 85%, black));
  color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: color-mix(in srgb, #fff 80%, transparent); }

/* -------- Forms -------- */
.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 8px; color: var(--color-text); }
input, textarea, select {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); border: 1.5px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-family: var(--font-body); font-size: .95rem;
  transition: border-color var(--transition);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--color-primary); }
.form-error { color: var(--danger); font-size: .85rem; margin-top: 6px; }
.form-success { background: color-mix(in srgb, var(--success) 15%, var(--color-surface)); border: 1px solid var(--success);
  color: var(--color-text); padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; }
.form-alert-error { background: color-mix(in srgb, var(--danger) 12%, var(--color-surface)); border: 1px solid var(--danger);
  color: var(--color-text); padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; }

/* -------- Breadcrumb -------- */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--color-muted); padding: 18px 0; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { opacity: .5; }

/* -------- Pagination -------- */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px;
  border: 1px solid var(--color-border); font-weight: 600; }
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* -------- Footer -------- */
.site-footer { background: var(--color-surface-2); border-top: 1px solid var(--color-border); padding: 60px 0 30px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-col h4 { color: var(--color-text); font-size: 1rem; }
.footer-col a { display: block; color: var(--color-muted); padding: 6px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-primary); }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: var(--color-card); border: 1px solid var(--color-border);
  display: grid; place-items: center; }
.footer-bottom { text-align: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--color-border);
  color: var(--color-muted); font-size: .85rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* -------- WhatsApp floating button -------- */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 80; width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; display: grid; place-items: center; box-shadow: 0 12px 30px rgba(37,211,102,.4);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

/* -------- Blog / detail -------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 1.6em; color: var(--color-text); }
.prose img { border-radius: var(--radius-md); margin: 1.4em 0; }
.post-meta { color: var(--color-muted); font-size: .9rem; margin-bottom: 24px; }

/* -------- Error pages -------- */
.error-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 40px 20px; }
.error-page .code { font-family: var(--font-display); font-size: clamp(4rem, 12vw, 8rem); color: var(--color-primary); line-height: 1; }

/* -------- Toast -------- */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: var(--color-text); color: var(--color-bg); padding: 14px 24px; border-radius: 999px; font-weight: 600;
  transition: all .3s ease; z-index: 200; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }