* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; max-width: 100%; }
img { max-width: 100%; height: auto; }

:root {
  --navy: #1a1a1a;
  --orange: #FF6B00;
  --orange-dark: #e05e00;
  --orange-light: #ff8c33;
  --accent: #ffaa55;
  --gray-light: #f5f5f5;
  --gray-mid: #e0e0e0;
  --gray-text: #666666;
  --white: #ffffff;
  --text: #1a1a1a;
}

body { font-family: 'Segoe UI', 'Arial', sans-serif; color: var(--text); background: var(--white); }
a { text-decoration: none; color: inherit; }

/* ── HEADER ── */
header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.08);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 68px;
}
.logo { display: flex; align-items: center; gap: 0; color: var(--white); font-size: 1.2rem; font-weight: 800; letter-spacing: 0; }
.logo span { color: var(--orange); }

nav { display: flex; align-items: center; }
nav > a {
  color: #333; font-size: 0.84rem; font-weight: 500;
  padding: 0 0.9rem; height: 68px; display: flex; align-items: center;
  letter-spacing: 0.2px; transition: color 0.2s;
}
nav > a:hover { color: var(--orange); font-weight:600; }

.nav-contact {
  margin-left: 0.75rem;
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.1rem !important;
  height: auto !important;
  border-radius: 4px;
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  transition: background 0.2s !important;
}
.nav-contact:hover { background: var(--orange-dark) !important; }
.mobile-menu-btn { display: none; background: none; border: none; color: #1a1a1a; font-size: 1.6rem; cursor: pointer; padding: 0.25rem 0.5rem; line-height: 1; flex-shrink: 0; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a1800 60%, #1a1a1a 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 68px;
}
.hero::before {
  content: ''; position: absolute; top: -10%; right: -5%;
  width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(255,107,0,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 4rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,107,0,0.15);
  border: 1px solid rgba(255,107,0,0.35);
  color: var(--orange-light); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 0.4rem 1rem; border-radius: 20px; margin-bottom: 1.5rem;
}
.hero h1 { color: var(--white); font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem; }
.hero h1 span { color: var(--orange); }
.hero p { color: rgba(255,255,255,0.68); font-size: 1.05rem; line-height: 1.7; margin-bottom: 2.5rem; max-width: 480px; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  background: var(--orange); color: var(--white);
  padding: 0.85rem 2rem; border-radius: 5px;
  font-weight: 700; font-size: 0.9rem;
  transition: background 0.2s, transform 0.2s;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.25); color: var(--white);
  padding: 0.85rem 2rem; border-radius: 5px;
  font-weight: 600; font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--orange); background: rgba(255,107,0,0.08); }

.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-image img {
  max-width: 100%;
  filter: drop-shadow(0 20px 60px rgba(255,107,0,0.3));
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }

/* ── STATS ── */
.stats { background: #111; padding: 3rem 2rem; border-top: 1px solid rgba(255,255,255,0.05); }
.stats-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--orange); display: block; }
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem; }

/* ── SECTION ── */
section { padding: 5rem 2rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); margin-bottom: 0.75rem; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--text); margin-bottom: 1rem; line-height: 1.2; }
.section-sub { color: var(--gray-text); font-size: 1rem; line-height: 1.7; max-width: 560px; }

/* ── PRODUCTS ── */
.products { background: var(--gray-light); }
.products-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 3rem; gap: 1rem; flex-wrap: wrap; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px,1fr)); gap: 1.5rem; }

.product-card { background: var(--white); border-radius: 12px; overflow: hidden; border: 1px solid var(--gray-mid); transition: transform 0.25s, box-shadow 0.25s; }
.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(255,107,0,0.12); }

.product-card-img { background: var(--gray-light); padding: 2rem; display: flex; justify-content: center; align-items: center; height: 180px; }
.product-card-img img { max-height: 130px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1)); }
.product-card-body { padding: 1.25rem; }
.product-card-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.product-card-specs { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.spec-badge { font-size: 0.72rem; font-weight: 700; background: rgba(255,107,0,0.1); color: var(--orange-dark); padding: 0.2rem 0.6rem; border-radius: 4px; }
.product-card-link { font-size: 0.82rem; font-weight: 700; color: var(--orange); display: inline-flex; align-items: center; gap: 0.3rem; transition: gap 0.2s; }
.product-card:hover .product-card-link { gap: 0.6rem; }

/* ── INDUSTRIES ── */
.industries-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(250px,1fr)); gap: 1.5rem; margin-top: 3rem; }
.industry-card { background: var(--white); border: 1px solid var(--gray-mid); border-radius: 12px; padding: 2rem; transition: border-color 0.2s, transform 0.2s; }
.industry-card:hover { border-color: var(--orange); transform: translateY(-4px); }
.industry-icon { width: 48px; height: 48px; background: rgba(255,107,0,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1rem; }
.industry-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.industry-desc { font-size: 0.85rem; color: var(--gray-text); line-height: 1.6; }

/* ── FEATURES ── */
.features { background: #1a1a1a; color: var(--white); }
.features .section-title { color: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 2rem; margin-top: 3rem; }
.feature-item { padding: 1.5rem; border: 1px solid rgba(255,255,255,0.07); border-radius: 12px; background: rgba(255,255,255,0.02); transition: border-color 0.2s, background 0.2s; }
.feature-item:hover { border-color: rgba(255,107,0,0.35); background: rgba(255,107,0,0.04); }
.feature-num { font-size: 2rem; font-weight: 800; color: var(--orange); opacity: 0.5; margin-bottom: 0.75rem; }
.feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--white); }
.feature-desc { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ── CTA ── */
.cta-section { background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%); text-align: center; padding: 5rem 2rem; }
.cta-section h2 { color: var(--white); font-size: 2.2rem; font-weight: 800; margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 2.5rem; }
.btn-white { background: var(--white); color: var(--orange); padding: 0.9rem 2.5rem; border-radius: 5px; font-weight: 700; font-size: 0.95rem; display: inline-block; transition: transform 0.2s, box-shadow 0.2s; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }

/* ── FOOTER ── */
footer { background: #111; color: rgba(255,255,255,0.65); padding: 4rem 2rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.07); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 280px; color: rgba(255,255,255,0.45); margin-top: 1rem; }
.footer-contact { margin-top: 1.5rem; font-size: 0.85rem; }
.footer-contact a { color: var(--orange); display: block; margin-bottom: 0.5rem; }
.footer-col h4 { color: var(--white); font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { font-size: 0.82rem; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--orange); }
.footer-bottom { padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.78rem; color: rgba(255,255,255,0.3); }

/* ── PRODUCT DETAIL ── */
.product-hero { background: linear-gradient(135deg, #1a1a1a 0%, #2a1800 100%); padding: 140px 2rem 5rem; color: var(--white); }
.product-hero-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.breadcrumb { font-size: 0.8rem; color: rgba(255,255,255,0.45); margin-bottom: 1.5rem; }
.breadcrumb a { color: rgba(255,255,255,0.45); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: rgba(255,255,255,0.25); margin: 0 0.4rem; }
.product-hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 1rem; }
.product-hero h1 span { color: var(--orange); }
.product-hero-desc { color: rgba(255,255,255,0.68); font-size: 1rem; line-height: 1.7; margin-bottom: 2rem; }
.product-kpi { display: flex; gap: 2.5rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.kpi-item { text-align: center; }
.kpi-val { display: block; font-size: 1.8rem; font-weight: 800; color: var(--orange); }
.kpi-label { font-size: 0.72rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.5px; }

/* ── TABS & SPECS ── */
.specs-section { background: var(--gray-light); }
.tabs { display: flex; border-bottom: 2px solid var(--gray-mid); margin-bottom: 2rem; overflow-x: auto; }
.tab-btn { background: none; border: none; padding: 1rem 1.5rem; font-size: 0.9rem; font-weight: 600; color: var(--gray-text); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap; transition: color 0.2s, border-color 0.2s; }
.tab-btn.active { color: var(--orange); border-bottom-color: var(--orange); }
.tab-btn:hover { color: var(--orange); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.spec-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.spec-table th { background: #1a1a1a; color: var(--white); padding: 0.85rem 1.2rem; text-align: left; font-size: 0.85rem; font-weight: 600; }
.spec-table td { padding: 0.75rem 1.2rem; font-size: 0.875rem; border-bottom: 1px solid var(--gray-mid); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--gray-light); }
.spec-table td:first-child { font-weight: 600; color: var(--gray-text); width: 40%; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-inner, .product-hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-image { display: none; }
  .hero h1 { font-size: 2rem; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section-inner { padding: 3rem 1.5rem; }
  .product-hero-inner { padding: 1.5rem; gap: 1.5rem; }
  .tr-dist-label { display: none; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.5rem; }
  .stats-inner { grid-template-columns: repeat(2,1fr); gap: 1rem; }
  .section-inner { padding: 2rem 1rem; }
  .product-hero-inner { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .section-title { font-size: 1.3rem; }
  .header-inner { padding: 0 1rem; }
  .footer-inner { padding: 2rem 1rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .product-hero-inner img { max-width: 100%; height: auto; }
}


/* ── FİYAT / TEKLİF NOTU (site geneli) ────────────────────────────────
   Koyu başlıklı sayfalarda .price-note, açık zeminde
   .price-note.price-note--light kullanılır. */
.price-note {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem 1.1rem;
  margin-top: 1.6rem; padding-top: 1.15rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.92rem; color: rgba(255,255,255,0.72);
}
.price-note b {
  color: var(--orange); font-size: 1.45rem; font-weight: 800;
  letter-spacing: -0.01em; line-height: 1;
}
.price-note i { font-style: normal; color: rgba(255,255,255,0.28); }
.price-note a {
  color: var(--orange); font-weight: 700; text-decoration: none;
  border-bottom: 1px solid rgba(255,107,0,0.45);
}
.price-note a:hover { border-bottom-color: var(--orange); }

.price-note--light { border-top-color: #e8e8e8; color: #666; }
.price-note--light i { color: #ccc; }

@media (max-width: 560px) {
  .price-note { gap: 0.45rem 0.8rem; font-size: 0.87rem; }
  .price-note b { font-size: 1.3rem; }
  .price-note i { display: none; }
}

/* Fiziksel adres – altbilgi */
.footer-adres {
  display: block; margin-top: 6px; font-size: 0.82rem;
  line-height: 1.55; color: rgba(255,255,255,0.55); max-width: 260px;
}


/* ── Sabit WhatsApp butonu ──────────────────────────────────────────── */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 95;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: grid; place-items: center; text-decoration: none;
  box-shadow: 0 6px 22px rgba(37,211,102,.42);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 8px 26px rgba(37,211,102,.55); }
.wa-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
@media (max-width: 560px) {
  .wa-float { right: 14px; bottom: 14px; width: 50px; height: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  .wa-float { transition: none; }
  .wa-float:hover { transform: none; }
}

/* Fiyat notundaki rakam — fiyat sayfasına bağlantı */
.fiyat-link { text-decoration: none; border-bottom: 1px solid rgba(255,107,0,0.4); }
.fiyat-link:hover { border-bottom-color: var(--orange); }

/* ── Yük eğrisi bölümü (model sayfaları) ──────────────────────────── */
.yuk-giris, .yuk-not {
  max-width: 820px; margin: 1rem auto 0; color: var(--gray-text);
  font-size: 0.97rem; line-height: 1.75;
}
.yuk-not { margin-top: 1.4rem; }
.yuk-not strong { color: var(--text); }
.yuk-not a, .yuk-egrisi-fig a { color: var(--orange); font-weight: 600; }
.yuk-egrisi-fig { margin: 1.8rem auto 0; max-width: 840px; text-align: center; }
.yuk-egrisi-fig img {
  width: 100%; height: auto; display: block; background: var(--white);
  border: 1px solid var(--gray-mid); border-radius: 8px; padding: 10px;
}
.yuk-egrisi-fig figcaption {
  margin-top: 0.85rem; font-size: 0.86rem; line-height: 1.65;
  color: var(--gray-text); text-align: left;
}
.yuk-egrisi-fig figcaption strong { color: var(--text); }

/* Altbilgi iletisim ikonlari (emoji yerine SVG) */
.ftr-ikon { width: 14px; height: 14px; vertical-align: -2px; margin-right: 5px; flex: none; }
