/* ==========================================================================
   ENTE METAL PLASTİK — ULTIMATE INDUSTRIAL PREMIUM CSS ENGINE v3.0
   Muğla Sıtkı Koçman Üniversitesi - Bilgisayar Mühendisliği © 2026
   Tüm Hakları Saklıdır. Sıfır Kırpma, Tam Performans Optimizasyonu.
   ========================================================================== */

:root {
  --bg: #0b0c0e;
  --surface: #121418;
  --surface-card: #181b21;
  --molten: #ff5a1f;
  --molten-light: #ff7d4d;
  --spec: #00e5ff;
  --text: #ffffff;
  --text-dim: #b3b9c1;
  --steel: #4f5866;
  --steel-light: #2c323d;
  --font-title: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Küresel Sıfırlama ve Kutu Modeli Güvencesi */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografi Kuralları */
h1, h2, h3, h4, h5, h6, .brand-text {
  font-family: var(--font-title);
  font-weight: 700;
  margin: 0;
  color: #ffffff;
}

p {
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Global Grid ve Yerleşim Elemanları */
.section {
  padding: 120px 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.section-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--molten);
  margin-bottom: 14px;
  display: block;
}

.eyebrow.center {
  text-align: center;
}

.section-title {
  font-size: 36px;
  letter-spacing: -1px;
  margin-bottom: 18px;
  line-height: 1.2;
}

.section-title.center {
  text-align: center;
}

.section-desc {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* Süzülerek Belirme (Reveal) Animasyon Altyapısı */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  transition-delay: calc(var(--stagger) * 100ms);
}

/* Sayfa Yükleyici (Loader) ve İlerleme Çubuğu */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  width: 48px;
  height: 48px;
  border: 3px solid var(--steel-light);
  border-top-color: var(--molten);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--molten);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s ease-out;
}

.announcement-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 40px;
  z-index: 950;
  background: #101317;
  border-bottom: 1px solid rgba(255, 90, 31, 0.28);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 8px 24px;
  font-size: 13px;
  line-height: 1.35;
  text-align: center;
}

.announcement-bar span {
  color: var(--text-dim);
}

.announcement-bar a {
  color: var(--molten);
  font-family: var(--font-title);
  font-weight: 700;
  white-space: nowrap;
}

body.has-announcement .nav {
  top: 40px;
}

body.has-announcement .hero,
body.has-announcement .catalog-header {
  padding-top: 200px;
}

/* Premium Navigasyon Çubuğu */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  z-index: 900;
  transition: background 0.3s, height 0.3s;
}

.nav-inner {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: table;
  width: 100%;
}

.brand, .nav-links, .nav-cta-wrapper {
  display: table-cell;
  vertical-align: middle;
}

.brand {
  text-decoration: none;
  color: #ffffff;
  width: 340px;
  white-space: nowrap;
}

.brand-logo-wrap {
  display: inline-block;
  vertical-align: middle;
  width: 48px;
  height: 48px;
  margin-right: 14px;
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(255,255,255,0.06);
  background: linear-gradient(145deg, #11151b, #08090b);
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 0;
}

.brand-logo-svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--molten);
  stroke-width: 2;
}

.brand-text {
  display: inline-block;
  vertical-align: middle;
  font-size: 21px;
  letter-spacing: 0;
  line-height: 1.05;
}

.brand-text em {
  font-style: normal;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 16px;
  margin-left: 7px;
}

.nav-links {
  text-align: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin: 0 18px;
  transition: color 0.2s;
  position: relative;
  padding: 8px 0;
}

.nav-links a:hover, .nav-links a.active {
  color: #ffffff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--molten);
  transition: all 0.2s ease;
  transform: translateX(-50%);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta-wrapper {
  text-align: right;
  width: 150px;
}

.nav-cta {
  background: transparent;
  border: 1px solid var(--molten);
  color: #ffffff;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--molten);
  box-shadow: 0 0 20px rgba(255, 90, 31, 0.35);
}

.mobile-nav-cta {
  display: none;
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  position: relative;
  cursor: pointer;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  position: absolute;
  left: 7px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-burger span:nth-child(1) { top: 13px; }
.nav-burger span:nth-child(2) { top: 18px; }
.nav-burger span:nth-child(3) { top: 23px; }

/* Endüstriyel Buton Tasarımları */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 14px;
  padding: 14px 30px;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--molten);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--molten-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 90, 31, 0.3);
}

.btn-ghost {
  background: transparent;
  border-color: var(--steel-light);
  color: #ffffff;
}

.btn-ghost:hover {
  border-color: var(--steel);
  background: rgba(255, 255, 255, 0.02);
}

/* Hero Bölümü ve Simülasyon */
.hero {
  padding-top: 160px;
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: table;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-copy, .hero-visual {
  display: table-cell;
  vertical-align: middle;
  width: 50%;
}

.hero-copy {
  padding-right: 64px;
}

.hero-copy h1 {
  font-size: 52px;
  line-height: 1.12;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.molten-text {
  color: var(--molten);
  position: relative;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.6s;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--steel-light);
  padding-top: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-title);
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 11px;
  color: var(--steel);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-visual {
  text-align: right;
}

.mold-svg {
  width: 100%;
  max-width: 420px;
  background: #0e1013;
  border: 1px solid var(--steel-light);
  border-radius: 8px;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.5);
}

.mold-body { fill: #13161c; }
.mold-body-outline { fill: none; stroke: var(--steel-light); stroke-width: 1px; }
.cavity-outline { fill: none; stroke: rgba(255,255,255,0.04); stroke-width: 2; }
.melt { fill: url(#moltenGradient); }
.sprue { fill: none; stroke: var(--steel-light); stroke-width: 3; transition: stroke 0.3s; }
.sprue.flowing { stroke: var(--molten); }
.sprue-dot { fill: var(--steel-light); }
.sprue-dot.flowing { fill: var(--molten); }
.mold-glow { fill: none; stroke: transparent; stroke-width: 4; transition: all 0.3s; }
.mold-glow.active { stroke: rgba(255,90,31,0.35); filter: drop-shadow(0 0 12px var(--molten)); }
.dim-lines { fill: var(--steel); font-family: var(--font-mono); font-size: 10px; }
.dim-lines line { stroke: rgba(85,97,112,0.25); stroke-width: 1; stroke-dasharray: 3 3; }
.visual-caption { font-family: var(--font-mono); font-size: 11px; color: var(--steel); text-align: center; margin-top: 16px; letter-spacing: 0.5px; }

/* Hakkımızda Bölümü Grid Mimarisi */
.about-grid {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.about-tag, .about-body {
  display: table-cell;
  vertical-align: top;
}

.about-tag {
  width: 40%;
  padding-right: 56px;
}

.about-tag h2 {
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -1px;
}

.about-body {
  width: 60%;
}

.about-body p {
  margin-bottom: 24px;
  font-size: 16px;
}

.about-points {
  margin-top: 36px;
}

.point {
  display: flex;
  align-items: center;
  font-size: 15px;
  margin-bottom: 16px;
  color: #ffffff;
}

.point .dot {
  width: 8px;
  height: 8px;
  background: var(--molten);
  border-radius: 50%;
  margin-right: 14px;
}

/* Hizmet Kartları */
.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--steel-light);
  padding: 48px;
  border-radius: 6px;
  transition: border-color 0.3s ease;
}

.service-card:hover {
  border-color: rgba(255, 90, 31, 0.25);
}

.service-icon {
  width: 52px;
  height: 52px;
  color: var(--molten);
  margin-bottom: 28px;
}

.service-card h3 {
  font-size: 24px;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 15px;
  margin-bottom: 0;
}

/* Neden Biz Sayacı */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-item {
  background: var(--surface);
  border: 1px solid var(--steel-light);
  padding: 40px 28px;
  border-radius: 4px;
  text-align: center;
}

.why-num {
  display: block;
  font-family: var(--font-title);
  font-size: 36px;
  font-weight: 700;
  color: var(--molten);
  margin-bottom: 10px;
}

.why-item p {
  font-size: 14px;
  color: var(--text-dim);
}

/* ==========================================================================
   HATA GEÇİRMEZ ÇEKİRDEK: ANA SAYFA ÖNE ÇIKAN SPOILER SİSTEMİ
   ========================================================================== */
.featured-list {
  display: block;
  max-width: 960px;
  margin: 0 auto;
}

.spoiler-card {
  background: var(--surface);
  border: 1px solid var(--steel-light);
  border-radius: 6px;
  margin-bottom: 20px;
  overflow: hidden;
  transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.spoiler-card:hover {
  border-color: rgba(255, 90, 31, 0.3);
}

.spoiler-card.open {
  border-color: var(--molten);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Tetikleyici Hücre Sistemi */
.spoiler-head {
  width: 100%;
  background: transparent;
  border: none;
  padding: 20px 28px;
  display: table;
  table-layout: fixed;
  text-align: left;
  cursor: pointer;
  color: #ffffff;
  position: relative;
}

.spoiler-thumb, .spoiler-info, .spoiler-chevron-cell {
  display: table-cell;
  vertical-align: middle;
}

/* GÖRSEL SIKIŞMA ENGELEYİCİ KALIP */
.spoiler-thumb {
  width: 64px;
  padding-right: 20px;
}

.spoiler-thumb img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--steel-light);
  background: #0b0c0e;
  display: block;
}

.spoiler-info {
  width: auto;
}

.spoiler-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--molten);
  display: block;
  margin-bottom: 4px;
}

.spoiler-info h3 {
  font-size: 19px;
  letter-spacing: -0.3px;
  color: #ffffff;
}

.spoiler-chevron-cell {
  width: 32px;
  text-align: right;
}

.spoiler-chevron {
  display: inline-block;
  color: var(--steel);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease;
  width: 18px;
  height: 18px;
}

.spoiler-card.open .spoiler-chevron {
  transform: rotate(180deg);
  color: var(--molten);
}

/* İÇERİK KAYMA SIFIRLAMA MOTORU */
.spoiler-body {
  display: none;
  border-top: 1px solid var(--steel-light);
  background: #14171d;
}

.spoiler-card.open .spoiler-body {
  display: block;
}

.spoiler-body-inner {
  display: table;
  width: 100%;
  table-layout: fixed;
  padding: 28px;
}

.spoiler-img, .spoiler-text {
  display: table-cell;
  vertical-align: top;
}

/* Sol Hücre: Büyük Fotoğraf */
.spoiler-img {
  width: 260px;
  padding-right: 32px;
}

.spoiler-img img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  background: #0b0c0e;
  border-radius: 4px;
  border: 1px solid var(--steel-light);
  display: block;
}

/* Sağ Hücre: Metin ve Tablo Alanı */
.spoiler-text {
  width: auto;
}

.spoiler-text p {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 18px;
  line-height: 1.6;
}

.spoiler-meta {
  margin-bottom: 24px;
  background: rgba(0, 0, 0, 0.2);
  padding: 14px 18px;
  border-radius: 4px;
  border-left: 3px solid var(--molten);
}

.spoiler-meta span {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.spoiler-meta span:last-child {
  margin-bottom: 0;
}

.spoiler-actions {
  display: flex;
  gap: 14px;
}

.spoiler-actions .btn {
  padding: 10px 22px;
  font-size: 13px;
}

.products-cta {
  text-align: center;
  margin-top: 48px;
}

/* ==========================================================================
   ÜRÜNLER SAYFASI ESNEK GRID VE FİLTRE KATMANI
   ========================================================================== */
.catalog-controls {
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  background: var(--surface);
  border: 1px solid var(--steel-light);
  color: var(--text-dim);
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-chip:hover, .filter-chip.active {
  border-color: var(--molten);
  color: #ffffff;
  background: rgba(255, 90, 31, 0.05);
}

.filter-chips-wrap,
.filter-chips {
  max-width: 100%;
  max-height: 148px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--steel) transparent;
}

.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 320px;
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--steel-light);
  border-radius: 4px;
  padding: 12px 16px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--molten);
}

.catalog-info {
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.catalog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 42px auto 0;
  padding: 0 24px;
}

.catalog-pagination[hidden] {
  display: none;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--steel-light);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-btn:hover:not(:disabled),
.page-btn.active {
  border-color: var(--molten);
  background: rgba(255, 90, 31, 0.12);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-nav {
  min-width: 82px;
}

.page-dots {
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0 2px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--steel-light);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.product-card:hover {
  border-color: var(--molten);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.product-thumb {
  position: relative;
  width: 100%;
  height: 250px;
  background: #0e1013;
  border-bottom: 1px solid var(--steel-light);
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.03);
}

.product-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid var(--steel-light);
  color: var(--molten);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 5px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  z-index: 2;
  letter-spacing: 0.5px;
}

.product-body {
  padding: 24px;
}

.product-body h3 {
  font-size: 19px;
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.product-body p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 20px;
  height: 42px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

/* Dinamik Admin CTA Sayfa Bloğu */
.dynamic-cta-block {
  padding: 100px 0;
  background: linear-gradient(135deg, #121418 0%, #0e1013 100%);
  border-top: 1px solid var(--steel-light);
  border-bottom: 1px solid var(--steel-light);
}

.dynamic-cta-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.dynamic-cta-inner h2 {
  font-size: 32px;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.dynamic-cta-inner p {
  margin-bottom: 32px;
  font-size: 16px;
  color: var(--text-dim);
}

/* Teklif İsteme Pop-up Modalları */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 8, 10, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--surface-card);
  border: 1px solid var(--steel);
  width: 100%;
  max-width: 540px;
  padding: 40px;
  border-radius: 8px;
  position: relative;
  transform: translateY(30px);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--steel);
  font-size: 32px;
  cursor: pointer;
  transition: color 0.2s ease;
  line-height: 1;
}

.modal-close:hover {
  color: #ffffff;
}

.product-cat-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--spec);
  display: block;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.modal-content h3 {
  font-size: 26px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.modal-img {
  width: 100%;
  height: 240px;
  background: #0b0c0e;
  border-radius: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--steel-light);
  overflow: hidden;
}

.modal-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.spec-sheet {
  display: block;
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  margin-bottom: 20px;
  border: 1px solid var(--steel-light);
}

.spec-cell {
  display: flex;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--steel-light);
  font-size: 13.5px;
}

.spec-cell:last-child {
  border-bottom: none;
}

.spec-cell .k {
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
}

.spec-cell .v {
  color: #ffffff;
  font-weight: 500;
}

.modal-detail-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* Premium Form Elemanları */
.teklif-formu {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input, .form-group textarea {
  background: #0b0c0e;
  border: 1px solid var(--steel-light);
  padding: 12px 16px;
  border-radius: 4px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--molten);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.1);
}

.hidden-field {
  display: none !important;
}

.teklif-formu button[disabled] {
  opacity: 0.7;
  cursor: wait;
}

/* İletişim Kataloğu ve Harita */
.contact-grid {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.contact-info, .contact-map {
  display: table-cell;
  vertical-align: middle;
  width: 50%;
}

.contact-info {
  padding-right: 80px;
}

.contact-info h2 {
  font-size: 42px;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.info-rows {
  margin: 40px 0;
}

.info-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--steel-light);
  display: flex;
  align-items: center;
  font-size: 14.5px;
}

.info-row .k {
  width: 120px;
  color: var(--steel);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.info-row .v {
  color: #ffffff;
  font-weight: 500;
}

.info-link {
  text-decoration: underline;
  text-decoration-color: rgba(228, 88, 31, 0.45);
  text-underline-offset: 4px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.info-link:hover {
  color: var(--molten);
  text-decoration-color: var(--molten);
}

.wa-btn {
  background: #25d366;
  border-color: #25d366;
  gap: 14px;
  color: #ffffff;
  text-align: left;
  align-items: center;
  padding: 16px 20px;
  max-width: 420px;
  min-height: 70px;
}

.wa-btn:hover {
  background: #20ba5a;
  border-color: #20ba5a;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.3);
}

.wa-btn-icon {
  display: inline-flex;
  flex: 0 0 auto;
}

.wa-btn-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.wa-btn-copy strong {
  font-family: var(--font-title);
  font-size: 14px;
  line-height: 1.2;
}

.wa-btn-copy small {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.35;
  color: rgba(255,255,255,0.82);
  font-weight: 500;
}

.contact-map {
  height: 400px;
  background: var(--surface);
  border: 1px solid var(--steel-light);
  border-radius: 6px;
  overflow: hidden;
}

/* En alt logo bandı */
.logo-strip-section {
  background: linear-gradient(180deg, #090a0c 0%, #07080a 100%);
  border-top: 1px solid var(--steel-light);
  padding: 64px 0;
}

.logo-strip-section[hidden] {
  display: none;
}

.logo-strip-inner {
  display: grid;
  grid-template-columns: minmax(260px, 390px) 1fr;
  gap: 44px;
  align-items: center;
}

.logo-strip-copy h2 {
  font-size: 26px;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.logo-strip-copy p {
  font-size: 14.5px;
  color: var(--steel);
  line-height: 1.7;
}

.logo-strip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.logo-strip-item {
  min-height: 104px;
  background: linear-gradient(135deg, rgba(20,22,26,0.96), rgba(11,12,14,0.98));
  border: 1px solid var(--steel-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

a.logo-strip-item:hover {
  border-color: var(--molten);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0,0,0,0.22);
}

.logo-strip-item img {
  max-width: 100%;
  max-height: 68px;
  object-fit: contain;
  display: block;
}

.logo-strip-item.is-primary {
  justify-content: flex-start;
  gap: 18px;
  min-height: 118px;
}

.logo-strip-item.is-primary img {
  width: 72px;
  height: 72px;
  max-width: 72px;
  max-height: 72px;
  flex: 0 0 auto;
}

.logo-strip-name {
  display: block;
  color: #fff;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.15;
}

.logo-strip-name em {
  color: var(--text-dim);
  font-style: normal;
  font-size: 15px;
  font-weight: 600;
  margin-left: 6px;
}

.logo-strip-note {
  display: block;
  margin-top: 7px;
  color: var(--steel);
  font-size: 12px;
  line-height: 1.5;
}

/* Alt Bilgi (Footer) */
.footer {
  background: #07080a;
  border-top: 1px solid var(--steel-light);
  padding: 64px 0;
}

.footer-grid {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.footer-grid > div {
  display: table-cell;
  vertical-align: top;
}

.footer-brand {
  font-size: 20px;
  display: block;
  margin-bottom: 12px;
}

.footer .brand-text {
  line-height: 1.15;
}

.footer-slogan {
  font-size: 13.5px;
  color: var(--steel);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-card);
  border: 1px solid var(--steel-light);
  color: var(--steel);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  color: #fff;
  border-color: var(--molten);
  background: rgba(255, 90, 31, 0.12);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-links {
  text-align: center;
}

.footer-links a {
  color: var(--steel);
  text-decoration: none;
  font-size: 14px;
  margin: 0 16px;
  transition: color 0.2s ease;
}

.footer-links a:hover, .footer-links a.active {
  color: #ffffff;
}

.footer-legal {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

/* WhatsApp Yüzen Buton */
.wa-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: #25d366;
  color: #ffffff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.35);
  z-index: 800;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.wa-float:hover {
  transform: scale(1.1);
}

body.no-scroll {
  overflow: hidden;
}

/* ==========================================================================
   EKSİKSİZ RESPONSIVE (MOBİL) MEDYA SORGULARI MATRIXI
   ========================================================================== */
@media (max-width: 992px) {
  .hero-copy h1 { font-size: 42px; }
  .contact-info { padding-right: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .announcement-bar { min-height: 52px; flex-direction: column; gap: 2px; padding: 8px 18px; }
  body.has-announcement .nav { top: 52px; }
  body.has-announcement .nav-links.open-mobile { top: 132px; height: calc(100vh - 132px); }
  body.has-announcement .hero,
  body.has-announcement .catalog-header { padding-top: 188px; }
  .nav { height: 76px; }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
  }
  .nav-links, .nav-cta-wrapper { display: none; }
  .nav-burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    right: auto;
    top: auto;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--steel-light);
    border-radius: 8px;
    background: rgba(255,255,255,0.02);
  }
  .nav-burger span { left: 10px; }
  .brand { width: auto; }
  .brand-logo-wrap { width: 42px; height: 42px; margin-right: 10px; border-radius: 12px; }
  .brand-text { font-size: 18px; }
  .brand-text em { font-size: 13px; margin-left: 5px; }
  
  .nav-links.open-mobile {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg);
    padding: 48px 24px;
    gap: 28px;
    text-align: left;
    z-index: 899;
    overflow-y: auto;
  }
  
  .nav-links.open-mobile a {
    font-size: 20px;
    margin: 0;
    display: block;
    width: 100%;
  }

  .mobile-nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 48px;
    margin-top: 8px;
    border-radius: 6px;
    border: 0;
    background: var(--molten);
    color: #fff;
    font-family: var(--font-title);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
  }
  
  .nav-burger.active span:nth-child(1) { transform: rotate(45deg); top: 18px; }
  .nav-burger.active span:nth-child(2) { opacity: 0; }
  .nav-burger.active span:nth-child(3) { transform: rotate(-45deg); top: 18px; }
  
  .hero-inner, .about-grid, .spoiler-body-inner, .contact-grid, .footer-grid {
    display: block;
  }
  
  .hero-copy, .hero-visual, .about-tag, .about-body, .spoiler-img, .spoiler-text, .contact-info, .contact-map, .footer-grid > div {
    display: block;
    width: 100%;
    padding: 0;
  }
  
  .hero-copy { margin-bottom: 56px; }
  .hero-visual { text-align: center; }
  .mold-svg { max-width: 320px; margin: 0 auto; }
  
  .about-tag { margin-bottom: 32px; }
  .service-cards { grid-template-columns: 1fr; gap: 24px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  
  .spoiler-img { margin-bottom: 20px; text-align: center; }
  .spoiler-img img { margin: 0 auto; max-width: 100%; }
  
  .catalog-controls { flex-direction: column; align-items: flex-start; }
  .search-wrapper { max-width: 100%; }
  
  .contact-info { margin-bottom: 40px; }
  .contact-map { height: 320px; }
  
  .footer-links, .footer-legal { text-align: left; margin-top: 32px; }
  .footer-links a { display: block; margin: 12px 0; }
  .logo-strip-inner { grid-template-columns: 1fr; gap: 24px; }
  .logo-strip-grid { grid-template-columns: 1fr; }
  .logo-strip-item.is-primary { min-height: auto; }
}

@media (max-width: 480px) {
  .brand-logo-wrap { width: 38px; height: 38px; }
  .brand-text { font-size: 16px; }
  .brand-text em { display: block; margin-left: 0; margin-top: 2px; font-size: 12px; }
  .catalog-pagination { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding: 0 20px 8px; }
  .page-btn { flex: 0 0 auto; min-width: 38px; height: 38px; padding: 0 12px; }
  .page-nav { min-width: 76px; }
  .logo-strip-item.is-primary { align-items: flex-start; gap: 14px; }
  .logo-strip-item.is-primary img { width: 58px; height: 58px; max-width: 58px; max-height: 58px; }
  .logo-strip-name { font-size: 17px; }
  .logo-strip-name em { display: block; margin-left: 0; margin-top: 2px; }
  .hero-copy h1 { font-size: 34px; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .why-grid { grid-template-columns: 1fr; }
  .spoiler-actions { flex-direction: column; }
}