/* =====================================================
   TOPRAK GRUP PVC – PREMIUM REDESIGN v2
   Yeni Tema: Derin Lacivert + Bakır/Turuncu + Krem
   ===================================================== */

/* ====== CSS VARIABLES ====== */
:root {
  /* ── Yeni Renk Paleti ── */
  --c-navy:      #0b1929;   /* arka plan ana */
  --c-navy-2:    #0f2236;   /* bölüm arka plan */
  --c-navy-3:    #142d47;   /* kart arka plan */
  --c-navy-4:    #1a3a5c;   /* border/hover */

  --c-copper:    #c8702a;   /* ana vurgu – bakır turuncu */
  --c-copper-d:  #a0561e;   /* koyu bakır */
  --c-copper-l:  #e8904e;   /* açık bakır */
  --c-amber:     #f5a623;   /* ikinci vurgu – kehribar */
  --c-amber-l:   #ffc85a;   /* açık kehribar */

  --c-cream:     #f8f4ef;   /* açık sayfa arka planı */
  --c-cream-2:   #eee8e0;   /* kart/bölüm */
  --c-cream-3:   #ddd4c6;   /* border */

  --c-white:     #ffffff;
  --c-gray-1:    #ccd6e0;   /* açık metin */
  --c-gray-2:    #7a93a8;   /* soluk metin */
  --c-dark-txt:  #1a2a38;   /* koyu sayfalarda ana metin */

  /* Gradients */
  --g-copper:  linear-gradient(135deg, #a0561e 0%, #c8702a 50%, #e8904e 100%);
  --g-navy:    linear-gradient(135deg, #0b1929 0%, #0f2236 60%, #142d47 100%);
  --g-hero:    linear-gradient(160deg,
                 rgba(11,25,41,0.88) 0%,
                 rgba(11,25,41,0.45) 45%,
                 rgba(11,25,41,0.80) 100%);
  --g-card:    linear-gradient(135deg,
                 rgba(200,112,42,0.08) 0%,
                 rgba(200,112,42,0.02) 100%);

  /* Shadows */
  --sh-sm:     0 2px 10px rgba(11,25,41,0.15);
  --sh-md:     0 8px 32px  rgba(11,25,41,0.25);
  --sh-lg:     0 20px 64px rgba(11,25,41,0.35);
  --sh-copper: 0 8px 30px  rgba(200,112,42,0.35);
  --sh-amber:  0 8px 30px  rgba(245,166,35,0.30);

  /* Borders */
  --b-navy:    1px solid rgba(255,255,255,0.07);
  --b-copper:  1px solid rgba(200,112,42,0.30);
  --b-cream:   1px solid rgba(200,112,42,0.15);

  /* Typography */
  --f-heading: 'Outfit', 'Inter', sans-serif;
  --f-body:    'Inter', sans-serif;

  /* Spacing */
  --sec-py:    100px;
  --cont-max:  1280px;
  --head-h:    76px;

  /* Transitions */
  --t-fast: 0.2s cubic-bezier(.4,0,.2,1);
  --t-base: 0.35s cubic-bezier(.4,0,.2,1);
  --t-slow: 0.6s cubic-bezier(.4,0,.2,1);

  /* Radius */
  --r-sm:   8px;
  --r-md:   16px;
  --r-lg:   24px;
  --r-xl:   36px;
  --r-full: 9999px;
}

/* ====== RESET ====== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; -webkit-text-size-adjust:100%; }
/* Fixed header altından başlaması için body'e padding */
body {
  font-family:var(--f-body);
  background:var(--c-navy);
  color:var(--c-white);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  padding-top: var(--head-h); /* Navbar yüksekliği kadar boşluk — tüm içerik navbar altında başlar */
}
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition:color var(--t-fast); }
ul { list-style:none; }
button { cursor:pointer; border:none; outline:none; background:none; font-family:inherit; }

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width:7px; }
::-webkit-scrollbar-track { background:var(--c-navy); }
::-webkit-scrollbar-thumb { background:var(--c-copper); border-radius:var(--r-full); }
::-webkit-scrollbar-thumb:hover { background:var(--c-copper-l); }
::selection { background:var(--c-copper); color:var(--c-white); }

/* ====== CONTAINER ====== */
.container {
  max-width:var(--cont-max);
  margin:0 auto;
  padding:0 clamp(16px, 4vw, 32px);
}

/* ====== SECTION ====== */
.section { padding:var(--sec-py) 0; }

.dark-section {
  background:var(--g-navy);
  position:relative;
  overflow:hidden;
}
.dark-section::before {
  content:'';
  position:absolute; top:0; left:0; right:0;
  height:2px;
  background:var(--g-copper);
}

.light-section {
  background:var(--c-cream);
  position:relative;
}
.light-section::before {
  content:'';
  position:absolute; top:0; left:0; right:0;
  height:2px;
  background:var(--g-copper);
}

/* ====== SECTION HEADERS ====== */
.section-header { text-align:center; margin-bottom:clamp(36px,6vw,64px); }

.section-tag {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-copper-l);
  background:rgba(200,112,42,0.12);
  border:1px solid rgba(200,112,42,0.25);
  padding:5px 16px;
  border-radius:var(--r-full);
  margin-bottom:14px;
}
.dark-tag { color:var(--c-amber-l); background:rgba(245,166,35,0.12); border-color:rgba(245,166,35,0.25); }

.section-title {
  font-family:var(--f-heading);
  font-size:clamp(1.8rem, 4vw, 3rem);
  font-weight:800;
  line-height:1.15;
  color:var(--c-dark-txt);
  margin-bottom:14px;
}
.title-light { color:var(--c-white); }

.gradient-text {
  background:var(--g-copper);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.section-desc {
  font-size:1rem;
  color:var(--c-gray-2);
  max-width:580px;
  margin:0 auto 20px;
  line-height:1.7;
}
.desc-light { color:rgba(255,255,255,0.6); }

.section-divider {
  width:56px; height:3px;
  background:var(--g-copper);
  border-radius:var(--r-full);
  margin:0 auto;
}

/* ====== BUTTONS ====== */
.btn-primary {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 30px;
  background:var(--g-copper);
  color:var(--c-white);
  font-weight:700;
  font-size:0.9rem;
  border-radius:var(--r-full);
  box-shadow:var(--sh-copper);
  transition:all var(--t-base);
  border:2px solid transparent;
  position:relative;
  overflow:hidden;
  white-space:nowrap;
}
.btn-primary::after {
  content:'';
  position:absolute; inset:0;
  background:rgba(255,255,255,0.12);
  opacity:0;
  transition:opacity var(--t-fast);
}
.btn-primary:hover::after { opacity:1; }
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 14px 40px rgba(200,112,42,0.55);
}

.btn-secondary {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 28px;
  background:rgba(255,255,255,0.08);
  color:var(--c-white);
  font-weight:600;
  font-size:0.9rem;
  border-radius:var(--r-full);
  border:2px solid rgba(255,255,255,0.22);
  backdrop-filter:blur(12px);
  transition:all var(--t-base);
  white-space:nowrap;
}
.btn-secondary:hover {
  background:rgba(255,255,255,0.15);
  border-color:rgba(255,255,255,0.45);
  transform:translateY(-2px);
}

.btn-outline {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 28px;
  background:transparent;
  color:var(--c-copper);
  font-weight:700;
  font-size:0.9rem;
  border-radius:var(--r-full);
  border:2px solid var(--c-copper);
  transition:all var(--t-base);
}
.btn-outline:hover {
  background:var(--c-copper);
  color:var(--c-white);
  box-shadow:var(--sh-copper);
}

/* ====== HEADER ====== */
.header {
  position:fixed; top:0; left:0; right:0;
  z-index:1000;
  height:var(--head-h);
  transition:all var(--t-base);
}
.header.scrolled {
  background:rgba(11,25,41,0.97);
  backdrop-filter:blur(20px) saturate(1.5);
  -webkit-backdrop-filter:blur(20px) saturate(1.5);
  border-bottom:1px solid rgba(200,112,42,0.18);
  box-shadow:0 4px 30px rgba(0,0,0,0.35);
}

.nav {
  display:flex;
  align-items:center;
  justify-content:center; /* Masaüstünde menüyü ortala */
  height:var(--head-h);
  padding:0 clamp(16px,4vw,40px);
  max-width:var(--cont-max);
  margin:0 auto;
}

.nav-logo {
  display: none; /* Masaüstünde logoyu gizle */
}

.logo-img { height:52px; width:auto; filter:drop-shadow(0 2px 8px rgba(0,0,0,0.5)); transition:transform var(--t-fast); }
.logo-img:hover { transform:scale(1.04); }

.nav-menu { display:flex; align-items:center; gap:8px; }

.nav-link {
  font-size:0.85rem;
  font-weight:600;
  color:rgba(255,255,255,0.82);
  padding:7px 15px;
  border-radius:var(--r-full);
  transition:all var(--t-fast);
  letter-spacing:0.02em;
  position:relative;
}
.nav-link::after {
  content:'';
  position:absolute; bottom:3px; left:50%;
  transform:translateX(-50%) scaleX(0);
  width:calc(100% - 22px); height:2px;
  background:var(--g-copper);
  border-radius:var(--r-full);
  transition:transform var(--t-fast);
}
.nav-link:hover, .nav-link.active { color:var(--c-white); background:rgba(200,112,42,0.1); }
.nav-link:hover::after, .nav-link.active::after { transform:translateX(-50%) scaleX(1); }

.hamburger { display:none; flex-direction:column; gap:5px; padding:8px; border-radius:var(--r-sm); transition:background var(--t-fast); }
.hamburger:hover { background:rgba(255,255,255,0.08); }
.bar { width:24px; height:2px; background:var(--c-white); border-radius:var(--r-full); transition:all var(--t-base); }


/* ====== HERO / SLIDER ====== */
.hero-section {
  position:relative;
  height:calc(100svh - var(--head-h));
  min-height:600px;
  overflow:hidden;
}

.slider-container { position:relative; width:100%; height:100%; }
.slider-track { position:relative; width:100%; height:100%; }

.slide {
  position:absolute; inset:0;
  opacity:0;
  transition:opacity 1.2s ease;
}
.slide.active { opacity:1; z-index:1; }

.slide picture {
  display: block;
  width: 100%;
  height: 100%;
}

.slide img {
  width: 100% !important;
  height: 100% !important;
  max-width: unset;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

/* Masaüstü: yatay resim göster, dikey resmi gizle */
.desktop-slide-img { display: block; }
.mobile-slide-img  { display: none; }

.slide-overlay {
  position:absolute; inset:0;
  background:var(--g-hero);
  display:flex;
  align-items:center;
  padding:0 clamp(20px,6vw,80px);
  padding-top:var(--head-h);
}

.slide-content {
  max-width:680px;
  animation:slideUp 1s ease both;
}

.slide-badge {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--c-amber-l);
  background:rgba(245,166,35,0.15);
  border:1px solid rgba(245,166,35,0.30);
  padding:5px 15px;
  border-radius:var(--r-full);
  margin-bottom:18px;
  backdrop-filter:blur(6px);
}

.slide-title {
  font-family:var(--f-heading);
  font-size:clamp(2rem,5.5vw,4.2rem);
  font-weight:900;
  line-height:1.08;
  color:var(--c-white);
  margin-bottom:18px;
  text-shadow:0 2px 24px rgba(0,0,0,0.55);
}
.slide-title .hl { background:var(--g-copper); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

.slide-subtitle {
  font-size:clamp(0.9rem,2vw,1.05rem);
  color:rgba(255,255,255,0.78);
  margin-bottom:32px;
  line-height:1.6;
  max-width:520px;
}

.slide-cta { display:flex; gap:14px; flex-wrap:wrap; }

/* Slider UI — Dots slider-stats içinde */
.slider-dots {
  position: relative;
  display: flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  margin-top: -48px;   /* Resmin üstüne taşı */
  margin-bottom: 12px;
  z-index: 10;
}
.slider-dot {
  width:10px; height:10px;
  border-radius:50%;
  background:rgba(255,255,255,0.38);
  border:2px solid rgba(255,255,255,0.25);
  cursor:pointer;
  transition:all var(--t-base);
}
.slider-dot.active { width:26px; border-radius:var(--r-full); background:var(--c-amber); border-color:var(--c-amber); }
.slider-dot:hover { background:var(--c-amber-l); border-color:var(--c-amber-l); }

.slider-arrow {
  position:absolute; top:50%; transform:translateY(-50%);
  z-index:10; width:50px; height:50px;
  border-radius:50%;
  background:rgba(11,25,41,0.45);
  border:1px solid rgba(255,255,255,0.15);
  color:var(--c-white); font-size:1.8rem;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:all var(--t-base);
  backdrop-filter:blur(8px);
  line-height:1;
}
.slider-prev { left:clamp(12px,4vw,32px); }
.slider-next { right:clamp(12px,4vw,32px); }
.slider-arrow:hover {
  background:rgba(200,112,42,0.55);
  border-color:var(--c-copper);
  box-shadow:var(--sh-copper);
  transform:translateY(-50%) scale(1.08);
}

.slide-overlay-minimal {
  position:absolute; inset:0;
  background:linear-gradient(
    180deg,
    rgba(11,25,41,0.18) 0%,
    transparent 30%,
    transparent 65%,
    rgba(11,25,41,0.55) 100%
  );
  pointer-events:none;
}

/* Marka rozeti - slayt üzerinde sol alt */
.slide-brand-badge {
  position:absolute;
  bottom:clamp(68px,12vh,92px);
  left:clamp(16px,4vw,48px);
  z-index:8;
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(11,25,41,0.75);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(200,112,42,0.3);
  border-radius:var(--r-lg);
  padding:12px 20px;
  box-shadow:0 8px 32px rgba(0,0,0,0.4);
}
.slide-brand-logo {
  height:40px; width:auto;
  object-fit:contain;
  filter:brightness(1.1);
}
.slide-brand-text strong {
  display:block;
  font-family:var(--f-heading);
  font-size:0.9rem; font-weight:800;
  color:var(--c-white);
  line-height:1.2;
  letter-spacing:0.03em;
}
.slide-brand-text span {
  font-size:0.7rem; font-weight:500;
  color:var(--c-amber-l);
  letter-spacing:0.06em;
  text-transform:uppercase;
}

/* Stats bar */
.slider-stats {
  position:relative;
  z-index:5;
  background:var(--c-navy-2);
  border-top:1px solid rgba(200,112,42,0.18);
  border-bottom:1px solid rgba(200,112,42,0.18);
}
.stat-item {
  flex:1; text-align:center;
  padding:clamp(12px,2.5vh,20px) clamp(10px,2vw,24px);
}
.stat-divider {
  width: 1px;
  background: rgba(200,112,42,0.18);
  align-self: stretch;
  margin: 8px 0;
}
.stat-item:last-child { border-right:none; }
.stat-number {
  display:block;
  font-family:var(--f-heading);
  font-size:clamp(1.1rem,2.5vw,1.8rem);
  font-weight:900;
  background:var(--g-copper);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.1; margin-bottom:3px;
}
.stat-label {
  font-size:clamp(0.6rem,1.2vw,0.72rem);
  color:rgba(255,255,255,0.55);
  font-weight:500;
  letter-spacing:.05em;
  text-transform:uppercase;
}

/* Scroll indicator */
.scroll-indicator {
  position:absolute; bottom:clamp(80px,14vh,108px); left:50%;
  transform:translateX(-50%);
  z-index:5; display:flex; flex-direction:column;
  align-items:center; gap:7px;
  color:rgba(255,255,255,0.45);
  font-size:0.65rem; font-weight:500;
  letter-spacing:.1em; text-transform:uppercase;
  animation:fadeDown 2s ease 2.5s both;
}
.scroll-mouse {
  width:20px; height:32px;
  border:2px solid rgba(255,255,255,0.28);
  border-radius:10px;
  display:flex; align-items:flex-start; justify-content:center;
  padding-top:4px;
}
.scroll-wheel {
  width:3px; height:6px;
  background:rgba(200,112,42,0.8);
  border-radius:var(--r-full);
  animation:scrollW 2s ease infinite;
}

/* ====== FEATURES BAR ====== */
.features-bar {
  background:var(--c-navy-2);
  padding:clamp(20px,4vw,32px) 0;
  border-bottom:1px solid rgba(200,112,42,0.12);
}
.features-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.feature-item {
  display:flex; align-items:center; gap:14px;
  padding:14px clamp(12px,2vw,24px);
  border-right:1px solid rgba(200,112,42,0.12);
  transition:background var(--t-fast);
}
.feature-item:last-child { border-right:none; }
.feature-item:hover { background:rgba(200,112,42,0.06); }
.feature-icon {
  width:42px; height:42px; flex-shrink:0;
  background:var(--g-copper);
  border-radius:var(--r-sm);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--sh-copper);
}
.feature-icon svg { width:18px; height:18px; stroke:var(--c-white); }
.feature-text strong { display:block; font-size:0.875rem; font-weight:700; color:var(--c-white); line-height:1.3; }
.feature-text span { font-size:0.72rem; color:var(--c-gray-2); }

/* ====== ABOUT ====== */
.about-section { background:var(--c-cream); }

.about-intro-content {
  display:flex; align-items:flex-start; gap:clamp(20px,4vw,40px);
  background:var(--c-white);
  border-radius:var(--r-lg);
  padding:clamp(24px,4vw,44px);
  box-shadow:var(--sh-md);
  border:var(--b-cream);
  position:relative; overflow:hidden;
  margin-bottom:clamp(40px,6vw,64px);
}
.about-intro-content::before {
  content:''; position:absolute; top:0; left:0;
  width:4px; height:100%;
  background:var(--g-copper);
}

.egepen-logo {
  width:clamp(100px,15vw,140px); height:auto;
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  background:#fff;
  padding:8px;
  object-fit:contain;
  flex-shrink:0;
}

.about-lead {
  font-size:clamp(1rem,1.8vw,1.12rem);
  font-weight:500; color:var(--c-dark-txt);
  line-height:1.75; margin-bottom:14px;
}
.about-intro-text p { color:#4a5568; line-height:1.8; font-size:0.95rem; }

/* Subsection */
.subsection-title { font-family:var(--f-heading); font-size:clamp(1.3rem,2.5vw,1.6rem); font-weight:800; color:var(--c-dark-txt); margin-bottom:10px; }
.subsection-desc { color:#6b7a8e; margin-bottom:28px; font-size:0.95rem; }
.text-center { text-align:center; }

/* Machine Cards */
.about-machines { margin-bottom:clamp(40px,6vw,64px); }
.machines-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(12px,2vw,20px);
  margin-bottom:28px;
}
.machine-card {
  background:var(--c-white);
  border-radius:var(--r-md);
  padding:clamp(20px,3vw,28px) clamp(16px,2.5vw,24px);
  text-align:center;
  box-shadow:var(--sh-sm);
  border:var(--b-cream);
  transition:all var(--t-base);
  position:relative; overflow:hidden;
}
.machine-card::after {
  content:''; position:absolute;
  inset:0;
  background:var(--g-card); opacity:0;
  transition:opacity var(--t-base);
}
.machine-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 36px rgba(200,112,42,0.22);
  border-color: var(--c-copper);
}
.machine-card:hover::after { opacity:1; }
.machine-icon {
  width:58px; height:58px;
  background:rgba(200,112,42,0.1);
  border-radius:var(--r-md);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 14px;
  transition:background var(--t-base);
  position:relative; z-index:1;
}
.machine-card:hover .machine-icon { background:var(--c-copper); }
.machine-icon svg { width:26px; height:26px; stroke:var(--c-copper); transition:stroke var(--t-base); }
.machine-card:hover .machine-icon svg { stroke:var(--c-white); }
.machine-card h4 { font-family:var(--f-heading); font-size:0.95rem; font-weight:700; color:var(--c-dark-txt); margin-bottom:5px; position:relative; z-index:1; }
.machine-card p { font-size:0.82rem; color:#8899aa; position:relative; z-index:1; }

.capacity-highlight {
  display:flex; align-items:center; gap:clamp(14px,3vw,24px);
  background:var(--g-copper);
  border-radius:var(--r-md);
  padding:clamp(18px,3vw,24px) clamp(20px,4vw,36px);
  box-shadow:var(--sh-copper);
}
.capacity-icon { font-size:2rem; flex-shrink:0; }
.capacity-text { color:var(--c-white); font-size:clamp(0.875rem,1.5vw,1rem); line-height:1.6; }
.capacity-text strong { display:block; font-size:clamp(0.95rem,1.8vw,1.1rem); font-weight:800; margin-bottom:3px; }

/* Network */
.about-network {
  display:grid;
  grid-template-columns:1fr 280px;
  gap:clamp(28px,5vw,48px);
  align-items:center;
  margin-bottom:clamp(40px,6vw,64px);
  background:var(--c-white);
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,48px);
  box-shadow:var(--sh-md);
  border:var(--b-cream);
}
.network-text p { color:#4a5568; line-height:1.8; margin-bottom:14px; font-size:0.95rem; }
.network-text p:last-child { margin-bottom:0; }
.network-visual { position:relative; width:250px; height:250px; display:flex; align-items:center; justify-content:center; }
.network-circle {
  width:110px; height:110px; border-radius:50%;
  background:var(--g-copper);
  display:flex; align-items:center; justify-content:center;
  text-align:center; font-weight:800; font-size:0.75rem;
  color:var(--c-white); line-height:1.4;
  box-shadow:0 0 0 16px rgba(200,112,42,0.1), 0 0 0 32px rgba(200,112,42,0.05);
  z-index:1; animation:netPulse 3s ease infinite;
}
.network-dots { position:absolute; inset:0; }
.dot {
  position:absolute; width:13px; height:13px;
  border-radius:50%; background:var(--c-amber);
  box-shadow:0 0 0 4px rgba(245,166,35,0.2);
}
.dot.d1{top:8%;left:48%}
.dot.d2{top:28%;right:5%}
.dot.d3{bottom:22%;right:10%}
.dot.d4{bottom:6%;left:40%}
.dot.d5{bottom:28%;left:5%}
.dot.d6{top:20%;left:10%}

/* MV Grid */
.mv-grid { display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,3vw,24px); margin-bottom:clamp(40px,6vw,64px); }
.mv-card {
  background:var(--c-white);
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,40px);
  box-shadow:var(--sh-md); border:var(--b-cream);
  position:relative; overflow:hidden; transition:all var(--t-base);
}
.mv-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0;
  height:3px; background:var(--g-copper);
  transform:scaleX(0); transition:transform var(--t-base);
}
.mv-card:hover::after { transform:scaleX(1); }
.mv-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 20px 48px rgba(11,25,41,0.22);
}
.mv-card-b::after { background:var(--g-navy); }
.mv-icon { font-size:2.2rem; margin-bottom:18px; display:block; }
.mv-card h3 { font-family:var(--f-heading); font-size:1.3rem; font-weight:800; color:var(--c-dark-txt); margin-bottom:12px; }
.mv-card p { color:#4a5568; line-height:1.8; font-size:0.93rem; }

/* Why */
.why-section { margin-bottom:clamp(36px,5vw,48px); }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(10px,2vw,16px); margin-top:28px; }
.why-item {
  display:flex; align-items:flex-start; gap:12px;
  background:var(--c-white); border-radius:var(--r-md);
  padding:clamp(14px,2.5vw,18px) clamp(14px,2.5vw,20px);
  box-shadow:var(--sh-sm); border:var(--b-cream);
  transition:all var(--t-fast);
}
.why-item:hover {
  border-color: var(--c-copper);
  box-shadow: 0 12px 30px rgba(200,112,42,0.15);
  transform: translateY(-3px) scale(1.01);
}
.why-check {
  width:24px; height:24px; flex-shrink:0;
  background:var(--g-copper); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:0.65rem; color:var(--c-white); font-weight:900;
  box-shadow:var(--sh-copper);
}
.why-item span { font-size:0.875rem; color:#2d3748; font-weight:500; line-height:1.5; }

.about-footer-text {
  background:var(--g-copper);
  border-radius:var(--r-lg); padding:clamp(24px,4vw,36px) clamp(24px,4vw,44px);
  text-align:center; box-shadow:var(--sh-copper);
}
.about-footer-text p { color:rgba(255,255,255,0.92); font-size:clamp(0.9rem,1.5vw,1rem); line-height:1.8; }
.about-footer-text strong { color:var(--c-white); }

/* ====== GALLERY / MASONRY ====== */
.masonry-gallery { columns:4; column-gap:clamp(8px,1.5vw,14px); margin-bottom:clamp(32px,5vw,48px); }
.gallery-item {
  break-inside:avoid; margin-bottom:clamp(8px,1.5vw,14px);
  border-radius:var(--r-md); overflow:hidden;
  position:relative; cursor:pointer;
  box-shadow:var(--sh-md);
}
.gallery-item img { width:100%; height:auto; display:block; transition:transform var(--t-slow); }
.gallery-item.tall img { min-height:280px; object-fit:cover; }
.gallery-overlay {
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(11,25,41,0.88) 0%, transparent 55%);
  display:flex; align-items:flex-end; padding:16px;
  opacity:0; transition:opacity var(--t-base);
}
.gallery-item:hover .gallery-overlay { opacity:1; }
.gallery-item:hover img { transform:scale(1.06); }
.gallery-overlay span { color:var(--c-white); font-size:0.82rem; font-weight:600; }

.gallery-cta { text-align:center; padding-top:8px; }

/* ====== SHOWROOM ====== */
.showroom-section { background:var(--c-cream); }

.showroom-gallery {
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-template-rows:300px 210px;
  gap:clamp(8px,1.5vw,14px);
  margin-bottom:clamp(32px,5vw,48px);
}
.showroom-main    { grid-column:1/4; grid-row:1; }
.showroom-side    { grid-row:1; }
.showroom-side:nth-child(2) { grid-column:4/5; }
.showroom-side:nth-child(3) { grid-column:5/7; }
.showroom-bottom-1 { grid-column:1/3; grid-row:2; }
.showroom-bottom-2 { grid-column:3/5; grid-row:2; }
.showroom-bottom-3 { grid-column:5/7; grid-row:2; }

.showroom-main,
.showroom-side,
.showroom-bottom-1,
.showroom-bottom-2,
.showroom-bottom-3 {
  border-radius:var(--r-md); overflow:hidden;
  position:relative; cursor:pointer;
  box-shadow:var(--sh-md);
}
.showroom-main img,
.showroom-side img,
.showroom-bottom-1 img,
.showroom-bottom-2 img,
.showroom-bottom-3 img {
  width:100%; height:100%; object-fit:cover;
  transition:transform var(--t-slow);
}
.showroom-main:hover img,
.showroom-side:hover img,
.showroom-bottom-1:hover img,
.showroom-bottom-2:hover img,
.showroom-bottom-3:hover img { transform:scale(1.05); }
.showroom-main .gallery-overlay,
.showroom-side .gallery-overlay,
.showroom-bottom-1 .gallery-overlay,
.showroom-bottom-2 .gallery-overlay,
.showroom-bottom-3 .gallery-overlay { opacity:0; transition:opacity var(--t-base); }
.showroom-main:hover .gallery-overlay,
.showroom-side:hover .gallery-overlay,
.showroom-bottom-1:hover .gallery-overlay,
.showroom-bottom-2:hover .gallery-overlay,
.showroom-bottom-3:hover .gallery-overlay { opacity:1; }

.showroom-info { display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(14px,2.5vw,24px); }
.showroom-info-card {
  background:var(--c-white); border-radius:var(--r-lg);
  padding:clamp(24px,3.5vw,32px) clamp(20px,3vw,28px);
  text-align:center; box-shadow:var(--sh-sm);
  border:var(--b-cream); transition:all var(--t-base);
}
.showroom-info-card:hover { transform:translateY(-6px); box-shadow:var(--sh-copper); border-color:var(--c-copper); }
.showroom-info-icon { font-size:2.3rem; margin-bottom:14px; display:block; }
.showroom-info-card h4 { font-family:var(--f-heading); font-size:1.05rem; font-weight:800; color:var(--c-dark-txt); margin-bottom:9px; }
.showroom-info-card p { font-size:0.88rem; color:#6b7a8e; line-height:1.6; }

/* ====== REFERENCES ====== */
.references-section { background:var(--g-navy); }

/* Filter Buttons */
.ref-filter { display:flex; align-items:center; justify-content:center; gap:clamp(8px,2vw,14px); margin-bottom:clamp(28px,4vw,44px); flex-wrap:wrap; }
.filter-btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:clamp(10px,1.5vw,12px) clamp(20px,3vw,32px);
  border-radius:var(--r-full);
  font-size:0.85rem;
  font-weight:700;
  color:rgba(255,255,255,0.55);
  border:1px solid rgba(255,255,255,0.1);
  background:rgba(255,255,255,0.04);
  transition:all var(--t-base);
  letter-spacing:0.04em;
  cursor:pointer;
}
.filter-btn svg {
  width:15px; height:15px;
  stroke:currentColor;
  opacity:0.7;
  transition:opacity var(--t-fast);
}
.filter-btn:hover, .filter-btn.active {
  background:var(--g-copper);
  color:var(--c-white);
  border-color:var(--c-copper);
  box-shadow:var(--sh-copper);
  transform:translateY(-2px);
}
.filter-btn:hover svg, .filter-btn.active svg { opacity:1; }

.references-grid {
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:clamp(6px,1.2vw,10px);
}
.ref-item {
  border-radius:var(--r-md); overflow:hidden;
  position:relative; cursor:pointer;
  aspect-ratio:4/3; box-shadow:var(--sh-md);
  transition:all var(--t-base);
}
.ref-item img { width:100%; height:100%; object-fit:cover; transition:transform var(--t-slow); }
.ref-overlay {
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(11,25,41,0.92) 0%, transparent 55%);
  display:flex; align-items:flex-end; padding:12px;
  opacity:0; transition:opacity var(--t-base);
}
.ref-item:hover { transform:scale(1.04); z-index:2; box-shadow:var(--sh-copper); }
.ref-item:hover .ref-overlay { opacity:1; }
.ref-item:hover img { transform:scale(1.12); }
.ref-overlay span {
  color:var(--c-white); font-size:0.72rem; font-weight:600;
  background:rgba(200,112,42,0.45); padding:3px 10px;
  border-radius:var(--r-full); backdrop-filter:blur(6px);
}
.ref-item.hidden { display: none; }

@keyframes filterReveal {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.ref-item:not(.hidden) {
  animation: filterReveal 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* ====== LIGHTBOX ====== */
.lightbox {
  position:fixed; inset:0; z-index:9999;
  background:rgba(11,25,41,0.97);
  display:flex; align-items:center; justify-content:center;
  backdrop-filter:blur(12px);
  animation:fadeIn .3s ease;
}
.lightbox[hidden] { display:none; }
.lightbox-content {
  max-width:90vw; max-height:86vh;
  border-radius:var(--r-md); overflow:hidden;
  box-shadow:0 0 80px rgba(0,0,0,0.8);
}
.lightbox-img { max-width:90vw; max-height:86vh; object-fit:contain; display:block; }
.lightbox-close {
  position:fixed; top:20px; right:20px;
  font-size:2.2rem; color:rgba(255,255,255,0.7);
  cursor:pointer; transition:all var(--t-fast);
  width:46px; height:46px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%; background:rgba(255,255,255,0.05);
  z-index:10000; line-height:1;
}
.lightbox-close:hover { color:var(--c-white); background:rgba(200,112,42,0.3); }
.lightbox-prev, .lightbox-next {
  position:fixed; top:50%; transform:translateY(-50%);
  font-size:2.5rem; color:rgba(255,255,255,0.7);
  cursor:pointer; transition:all var(--t-fast);
  width:56px; height:56px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%; background:rgba(255,255,255,0.04);
  z-index:10000;
}
.lightbox-prev { left:clamp(8px,3vw,20px); }
.lightbox-next { right:clamp(8px,3vw,20px); }
.lightbox-prev:hover, .lightbox-next:hover { color:var(--c-white); background:rgba(200,112,42,0.4); box-shadow:var(--sh-copper); }
.lightbox-counter {
  position:fixed; bottom:20px; left:50%; transform:translateX(-50%);
  font-size:0.85rem; color:rgba(255,255,255,0.6);
  background:rgba(11,25,41,0.6); padding:5px 18px;
  border-radius:var(--r-full); backdrop-filter:blur(8px);
}

/* ====== CONTACT (YENİDEN TASARIM) ====== */
.contact-section { background:var(--c-navy); }

/* Hero banner */
.contact-hero {
  position:relative;
  background:var(--g-navy);
  border-bottom:2px solid rgba(200,112,42,0.2);
  padding:clamp(48px,8vh,80px) 0;
  overflow:hidden;
}
.contact-hero-bg {
  position:absolute; inset:0;
  background:radial-gradient(ellipse at 70% 50%,
    rgba(200,112,42,0.12) 0%,
    transparent 65%);
  pointer-events:none;
}
.contact-hero-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(24px,4vw,48px);
  flex-wrap:wrap;
}
.contact-hero-title {
  font-family:var(--f-heading);
  font-size:clamp(2rem,4.5vw,3.2rem);
  font-weight:900;
  line-height:1.1;
  color:var(--c-white);
  margin:14px 0 12px;
}
.contact-hero-sub {
  color:rgba(255,255,255,0.65);
  font-size:clamp(0.9rem,1.5vw,1rem);
  line-height:1.7;
  max-width:480px;
}
.contact-hero-brand {
  display:flex;
  align-items:center;
  gap:clamp(16px,3vw,28px);
  flex-shrink:0;
}
.contact-hero-logo {
  height:clamp(56px,8vw,80px);
  width:auto;
  object-fit:contain;
  filter:drop-shadow(0 4px 16px rgba(0,0,0,0.5));
}
.contact-hero-egepen {
  height:clamp(44px,6vw,60px);
  width:auto;
  object-fit:contain;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,0.06);
  padding:6px 10px;
  border:1px solid rgba(200,112,42,0.2);
}

/* Hızlı kartlar */
.contact-quick-cards {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(12px,2vw,20px);
  margin:clamp(-28px,-4vw,-36px) 0 clamp(36px,5vw,56px);
  position:relative;
  z-index:2;
  align-items: stretch; /* Kart yüksekliklerini eşitler */
}
.cq-card {
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,18px);
  background:var(--c-white);
  border-radius:var(--r-lg);
  padding:clamp(18px,2.5vw,24px) clamp(16px,2.5vw,22px);
  box-shadow:0 12px 40px rgba(11,25,41,0.22);
  border:2px solid transparent;
  transition:all var(--t-base);
  position:relative;
  overflow:hidden;
  text-decoration:none;
  height: 100%; /* Tüm kartlar eşit yükseklikte olsun */
}
.cq-card::before {
  content:'';
  position:absolute; bottom:0; left:0; right:0;
  height:3px;
  background:var(--g-copper);
  transform:scaleX(0);
  transition:transform var(--t-base);
  transform-origin:left;
}
.cq-card:hover::before { transform:scaleX(1); }
.cq-card:hover {
  border-color:var(--c-copper);
  box-shadow:0 16px 48px rgba(200,112,42,0.22);
  transform:translateY(-4px);
}
.cq-card-mavi .cq-icon { background:rgba(26,111,181,0.1); }
.cq-card-mavi .cq-icon svg { stroke:var(--c-navy-4); }
.cq-card-mavi:hover { border-color:var(--c-navy-4); }
.cq-card-email .cq-icon { background:rgba(200,112,42,0.1); }

.cq-icon {
  width:clamp(44px,6vw,54px);
  height:clamp(44px,6vw,54px);
  border-radius:var(--r-md);
  background:rgba(200,112,42,0.1);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition:all var(--t-base);
}
.cq-card:hover .cq-icon { background:var(--g-copper); }
.cq-card:hover .cq-icon svg { stroke:var(--c-white); }
.cq-card-mavi:hover .cq-icon { background:var(--g-navy); }
.cq-icon svg { width:22px; height:22px; stroke:var(--c-copper); transition:stroke var(--t-base); }

.cq-body {
  flex:1;
  min-width:0;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Metinleri dikeyde ortala */
}
.cq-role {
  display:block;
  font-size:0.72rem;
  font-weight:700;
  color:var(--c-copper);
  letter-spacing:0.04em;
  text-transform:uppercase;
  margin-bottom:4px;
}
.cq-num {
  display:block;
  font-family:var(--f-heading);
  font-size:clamp(1rem,2vw,1.3rem);
  font-weight:900;
  color:var(--c-dark-txt);
  letter-spacing:0.02em;
  line-height:1.2;
  margin-bottom:5px;
  word-break: break-all; /* E-posta ve uzun numaraların taşmasını engeller */
}
.cq-action {
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:0.72rem;
  font-weight:700;
  color:var(--c-copper);
  opacity:0;
  transform:translateX(-6px);
  transition:all var(--t-fast);
}
.cq-card:hover .cq-action { opacity:1; transform:translateX(0); }

/* Alt grid - solda egepen/bilgi, sağda harita */
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:clamp(20px,3vw,32px);
  align-items:start;
}

/* Sol kısım basitleştirildi */
.contact-info {
  display:flex;
  flex-direction:column;
  gap:clamp(16px,2.5vw,24px);
}

.contact-detail-card {
  background:var(--c-navy-2);
  border-radius:var(--r-lg);
  padding:clamp(24px,3.5vw,36px);
  border:var(--b-navy);
  box-shadow:var(--sh-md);
}
.contact-detail-title {
  font-family:var(--f-heading);
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--c-copper-l);
  margin-bottom:20px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(200,112,42,0.15);
}
.contact-detail-row {
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.contact-detail-row:last-child { border-bottom:none; }
.cd-icon {
  width:38px; height:38px;
  border-radius:var(--r-sm);
  background:var(--g-copper);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  box-shadow:var(--sh-copper);
}
.cd-icon svg { width:16px; height:16px; stroke:var(--c-white); }
.cd-label {
  display:block;
  font-size:0.68rem;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--c-gray-2);
  margin-bottom:2px;
}
.cd-val {
  display:block;
  font-size:0.95rem;
  font-weight:700;
  color:var(--c-white);
}
a.contact-detail-row:hover .cd-val { color:var(--c-copper-l); }
a.contact-detail-row { transition:background var(--t-fast); border-radius:var(--r-sm); padding-left:8px; padding-right:8px; }
a.contact-detail-row:hover { background:rgba(200,112,42,0.06); }

.contact-egepen-panel {
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--g-copper);
  border-radius:var(--r-lg);
  padding:clamp(20px,3vw,28px) clamp(20px,3.5vw,32px);
  box-shadow:var(--sh-copper);
}
.contact-egepen-panel img {
  height:48px; width:auto;
  object-fit:contain;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,0.15);
  padding:5px 8px;
}
.contact-egepen-panel strong {
  display:block;
  font-family:var(--f-heading);
  font-size:1.05rem; font-weight:800;
  color:var(--c-white);
  margin-bottom:3px;
}
.contact-egepen-panel span {
  font-size:0.78rem;
  color:rgba(255,255,255,0.8);
  font-weight:500;
}

/* Harita */
.contact-map {
  background:var(--c-navy-2);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-md);
  border:var(--b-navy);
  position:sticky;
  top:calc(var(--head-h) + 20px);
}
.map-header {
  display:flex; align-items:center; gap:9px;
  padding:16px 22px;
  border-bottom:1px solid rgba(200,112,42,0.15);
  font-weight:700; color:var(--c-white); font-size:0.88rem;
}
.map-header svg { width:18px; height:18px; stroke:var(--c-copper); }
.map-wrapper iframe { display:block; width:100%; height:clamp(300px,42vh,440px); }
.directions-btn {
  display:flex; align-items:center; justify-content:center; gap:9px;
  width:100%; padding:18px;
  background:var(--g-copper);
  color:var(--c-white); font-weight:700; font-size:0.9rem;
  transition:all var(--t-fast); letter-spacing:.03em;
}
.directions-btn svg { width:17px; height:17px; }
.directions-btn:hover { background:var(--c-copper-d); box-shadow:var(--sh-copper); }

/* ====== FOOTER ====== */
.footer { background:var(--c-navy); border-top:1px solid rgba(200,112,42,0.15); }
.footer-top { padding:clamp(40px,7vw,64px) 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1.2fr; gap:clamp(24px,5vw,48px); }
.footer-logo { height:52px; width:auto; margin-bottom:14px; object-fit:contain; }
.footer-brand p { color:rgba(255,255,255,0.5); font-size:0.85rem; line-height:1.7; margin-bottom:18px; }
.footer-egepen { display:flex; align-items:center; gap:10px; background:rgba(255,255,255,0.04); border-radius:var(--r-sm); padding:10px 14px; border:var(--b-navy); }
.footer-egepen-img { height:32px; width:auto; border-radius:4px; object-fit:contain; }
.footer-egepen span { font-size:0.75rem; color:rgba(255,255,255,0.5); font-weight:500; }
.footer-links h5, .footer-contact h5, .footer-keywords h5 { font-family:var(--f-heading); font-size:0.82rem; font-weight:700; color:var(--c-white); margin-bottom:18px; letter-spacing:.06em; text-transform:uppercase; }
.footer-links li, .footer-contact li { margin-bottom:9px; }
.footer-links a, .footer-contact a { font-size:0.85rem; color:rgba(255,255,255,0.5); transition:color var(--t-fast); }
.footer-links a:hover, .footer-contact a:hover { color:var(--c-copper-l); }
.footer-tags { display:flex; flex-wrap:wrap; gap:7px; }
.footer-tags span { font-size:0.72rem; color:rgba(255,255,255,0.5); background:rgba(255,255,255,0.05); border:var(--b-navy); padding:3px 11px; border-radius:var(--r-full); transition:all var(--t-fast); }
.footer-tags span:hover { background:rgba(200,112,42,0.18); border-color:rgba(200,112,42,0.3); color:var(--c-copper-l); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.05); padding:18px 0; text-align:center; }
.footer-bottom p { font-size:0.75rem; color:rgba(255,255,255,0.3); line-height:1.8; }
.footer-seo-text { color:rgba(255,255,255,0.18) !important; font-size:0.68rem !important; margin-top:3px; }

/* ====== BACK TO TOP ====== */
.back-to-top {
  position:fixed; bottom:clamp(20px,4vw,32px); right:clamp(14px,3vw,28px);
  z-index:100; width:46px; height:46px;
  border-radius:50%; background:var(--g-copper);
  color:var(--c-white); display:flex; align-items:center; justify-content:center;
  box-shadow:var(--sh-copper); transition:all var(--t-base);
}
.back-to-top[hidden] { display:none; }
.back-to-top svg { width:18px; height:18px; stroke:var(--c-white); }
.back-to-top:hover { transform:translateY(-4px); box-shadow:0 16px 40px rgba(200,112,42,0.6); }

/* ====== ANIMATIONS ====== */
@keyframes slideUp   { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn    { from{opacity:0} to{opacity:1} }
@keyframes fadeDown  { from{opacity:0;transform:translate(-50%,-18px)} to{opacity:1;transform:translate(-50%,0)} }
@keyframes scrollW   { 0%{transform:translateY(0);opacity:1} 100%{transform:translateY(12px);opacity:0} }
@keyframes netPulse  { 0%,100%{box-shadow:0 0 0 12px rgba(200,112,42,0.1),0 0 0 24px rgba(200,112,42,0.05)} 50%{box-shadow:0 0 0 18px rgba(200,112,42,0.14),0 0 0 34px rgba(200,112,42,0.06)} }

.reveal        { opacity:0; transform:translateY(28px);  transition:all .8s cubic-bezier(.4,0,.2,1); }
.reveal-left   { opacity:0; transform:translateX(-36px); transition:all .8s cubic-bezier(.4,0,.2,1); }
.reveal-right  { opacity:0; transform:translateX(36px);  transition:all .8s cubic-bezier(.4,0,.2,1); }
.reveal.visible, .reveal-left.visible, .reveal-right.visible { opacity:1; transform:none; }

/* ====== ─────────────── RESPONSIVE ─────────────── ====== */

/* 1280 → 1200 */
@media (max-width:1200px) {
  .masonry-gallery { columns:3; }
  .references-grid { grid-template-columns:repeat(4,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .contact-quick-cards { grid-template-columns:repeat(2,1fr); }
}

/* 1024 */
@media (max-width:1024px) {
  :root { --sec-py:72px; }

  /* Features */
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .feature-item:nth-child(2) { border-right:none; }
  .feature-item:nth-child(4) { border-right:none; }
  .feature-item:nth-child(3) { border-right:1px solid rgba(200,112,42,0.12); }

  /* About */
  .machines-grid { grid-template-columns:repeat(2,1fr); }
  .about-network { grid-template-columns:1fr; }
  .network-visual { display:none; }
  .mv-grid { grid-template-columns:1fr; }
  .why-grid { grid-template-columns:repeat(2,1fr); }

  /* Showroom */
  .showroom-gallery {
    grid-template-columns:repeat(3,1fr);
    grid-template-rows:240px 180px;
  }
  .showroom-main    { grid-column:1/3; grid-row:1; }
  .showroom-side:nth-child(2) { grid-column:3/4; grid-row:1; }
  .showroom-side:nth-child(3) { grid-column:1/2; grid-row:2; }
  .showroom-bottom-1 { grid-column:2/3; grid-row:2; }
  .showroom-bottom-2 { grid-column:3/4; grid-row:2; }
  .showroom-bottom-3 { display:none; }
  .showroom-info { grid-template-columns:1fr 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns:1fr; }
  .contact-map { position:static; }
  .contact-hero-inner { flex-direction:column; align-items:flex-start; gap:24px; }
  .contact-hero-brand { order:-1; }

  /* References */
  .references-grid { grid-template-columns:repeat(4,1fr); }
}

/* 768 */
@media (max-width:768px) {
  :root { --head-h:64px; --sec-py:52px; }

  /* ── NAV ── */
  .nav { padding:0 16px; justify-content: space-between; }
  .nav-logo { display: block; }

  .nav-menu {
    position:fixed;
    top:var(--head-h); left:0; right:0;
    height: calc(100svh - var(--head-h)); /* Mobilde ekranı tam kaplasın */
    overflow-y: auto; /* Gerektiğinde dikey kaydırma */
    background:rgba(11,25,41,0.98);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    flex-direction:column;
    padding:24px 16px;
    gap:8px;
    transform:translateY(-110%);
    transition:transform var(--t-base);
    border-bottom:2px solid rgba(200,112,42,0.2);
    z-index:1000; /* Header'la aynı seviye veya üstü */
    box-shadow:0 8px 32px rgba(0,0,0,0.4);
  }
  .nav-menu.open { transform:translateY(0); }
  .nav-link {
    width:100%; text-align:center;
    padding:14px 20px;
    font-size:1.05rem; /* Mobilde okunabilirliği arttır */
    border-radius:var(--r-md);
    border:1px solid transparent;
  }
  .nav-link.active,
  .nav-link:hover {
    border-color:rgba(200,112,42,0.25);
    background:rgba(200,112,42,0.08);
  }
  .nav-link::after { display:none; }
  .hamburger { display:flex; z-index: 1005; position: relative; }
  .hamburger.active .bar:nth-child(1) { transform:rotate(45deg) translate(5px,7px); }
  .hamburger.active .bar:nth-child(2) { opacity:0; transform:scaleX(0); }
  .hamburger.active .bar:nth-child(3) { transform:rotate(-45deg) translate(5px,-7px); }

  /* ── HERO MOBILE ── */
  .hero-section {
    margin-top: 0 !important;
    padding-top: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: hidden !important;  /* Inactive slide'ların taşmasını engelle */
  }
  .slider-container {
    position: relative;
    width: 100%;
    height: auto !important;
    min-height: 0 !important;
  }
  .slider-track {
    position: relative;
    width: 100%;
    height: auto !important;
  }
  /* Mobilde slide'lar normal akışta — resimlerin boyutunu korur */
  .slide {
    position: relative !important;
    inset: unset !important;
    width: 100%;
    height: auto;
    opacity: 0;
    display: none !important;  /* Gizli slaytları tamamen kaldır */
    pointer-events: none;
    transition: none;
  }
  .slide.active {
    display: block !important;  /* Aktif slaytı göster */
    opacity: 1 !important;
    pointer-events: auto;
    z-index: 1;
  }
  /* Mobilde masaüstü görseli gizle, mobil görseli tam göster */
  .desktop-slide-img {
    display: none !important;
  }
  .mobile-slide-img {
    display: block !important;
    width: 100% !important;
    height: auto !important;    /* Resmin tamamı görünsün — hiç kırpma yok */
    max-width: 100% !important;
    object-fit: unset !important;
  }
  /* Dots — mobilde stats barında, normal akışta */
  .slider-dots {
    position: relative !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    bottom: unset !important;
    left: unset !important;
    transform: none !important;
    justify-content: center;
    padding: 8px 0;
    width: 100%;
  }
  .slider-arrow { display: none !important; }
  .scroll-indicator { display: none !important; }


  .slider-stats { padding:10px 4px; }
  .stat-item { padding:8px 4px; }
  .stat-number { font-size:clamp(0.85rem,3.5vw,1.1rem); }
  .stat-label { font-size:0.55rem; letter-spacing:0.02em; }

  /* ── FEATURES ── */
  .features-grid { grid-template-columns:1fr 1fr; }
  .feature-item:nth-child(2) { border-right:none; }
  .feature-item:nth-child(3) { border-right:1px solid rgba(200,112,42,0.12); }
  .feature-item:nth-child(4) { border-right:none; }
  .feature-item { padding:12px 14px; }
  .feature-icon { width:36px; height:36px; }
  .feature-icon svg { width:16px; height:16px; }
  .feature-text strong { font-size:0.8rem; }
  .feature-text span { font-size:0.68rem; }

  /* ── ABOUT ── */
  .about-intro-content { flex-direction:column; gap:18px; padding:20px; }
  .egepen-logo { width:90px; }
  .machines-grid { grid-template-columns:1fr 1fr; }
  .why-grid { grid-template-columns:1fr; }
  .mv-grid { grid-template-columns:1fr; }
  .about-network { padding:28px 20px; }
  .capacity-highlight { flex-direction:column; text-align:center; gap:12px; padding:20px; }

  /* ── GALLERY ── */
  .masonry-gallery { columns:2; column-gap:10px; }
  .gallery-item { margin-bottom:10px; }

  /* ── SHOWROOM ── */
  .showroom-gallery {
    grid-template-columns:1fr 1fr;
    grid-template-rows:200px 160px 140px;
    gap:10px;
  }
  .showroom-main    { grid-column:1/3; grid-row:1; }
  .showroom-side:nth-child(2) { grid-column:1/2; grid-row:2; }
  .showroom-side:nth-child(3) { grid-column:2/3; grid-row:2; }
  .showroom-bottom-1 { grid-column:1/2; grid-row:3; }
  .showroom-bottom-2 { grid-column:2/3; grid-row:3; }
  .showroom-bottom-3 { display:none; }
  .showroom-info { grid-template-columns:1fr; }

  /* ── REFERENCES ── */
  .references-grid { grid-template-columns:repeat(3,1fr); gap:8px; }
  .filter-btn { padding:9px 18px; font-size:0.8rem; }
  .filter-btn svg { display:none; }

  /* ── CONTACT ── */
  .contact-hero { padding:36px 0 44px; }
  .contact-hero-inner { flex-direction:column; gap:20px; }
  .contact-hero-brand { flex-direction:row; gap:16px; }
  .contact-hero-logo { height:50px; }
  .contact-hero-egepen { height:36px; }
  .contact-hero-title { font-size:clamp(1.6rem,6vw,2.2rem); margin:10px 0 10px; }

  .contact-quick-cards {
    grid-template-columns:1fr 1fr;
    gap:10px;
    margin:clamp(-20px,-3vw,-24px) 0 28px;
  }
  .cq-card { padding:14px; gap:10px; border-radius:var(--r-md); }
  .cq-icon { width:38px; height:38px; border-radius:var(--r-sm); }
  .cq-icon svg { width:18px; height:18px; }
  .cq-role {
    font-size:0.65rem;
    font-weight:700;
    white-space:normal;
    line-height:1.3;
    margin-bottom:3px;
  }
  .cq-num { font-size:clamp(0.85rem,3.5vw,1rem); letter-spacing:0; }
  .cq-action { display:none; }

  .contact-grid { grid-template-columns:1fr; gap:16px; }
  .contact-map { position:static; }
  .contact-detail-card { padding:20px; }
  .contact-detail-row { padding:10px 8px; gap:12px; }
  .cd-icon { width:32px; height:32px; }
  .cd-icon svg { width:14px; height:14px; }
  .cd-val { font-size:0.88rem; }

  /* ── FOOTER ── */
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .footer-top { padding:40px 0; }
}

/* 480 */
@media (max-width:480px) {
  :root { --sec-py:40px; --head-h:60px; }

  /* NAV */
  .logo-img { height:42px; }
  .nav { padding:0 12px; }
  .nav-menu { padding:12px 10px 20px; }
  .nav-link { padding:10px; font-size:0.9rem; }

  /* HERO */
  .hero-section {
    height: 177.78vw;
    max-height: 80svh;
    min-height: 440px;
  }

  .slider-arrow { display:none; }
  .slider-stats { padding:14px 8px; }
  .slider-stats .container {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 12px 8px;
  }
  .slider-stats .stat-divider {
    display: none;
  }
  .stat-item { padding:4px 6px; }
  .stat-number { font-size:1.15rem; }
  .stat-label { font-size:0.62rem; }
  .slider-dots { bottom:clamp(62px,11vh,82px); gap:7px; }
  .slider-dot { width:8px; height:8px; }
  .slider-dot.active { width:20px; }

  /* FEATURES */
  .features-grid { grid-template-columns:1fr; }
  .feature-item {
    border-right:none !important;
    border-bottom:1px solid rgba(200,112,42,0.1);
  }
  .feature-item:last-child { border-bottom:none; }

  /* ABOUT */
  .machines-grid { grid-template-columns:1fr; }
  .why-grid { grid-template-columns:1fr; }
  .section-title { font-size:clamp(1.5rem,7vw,2rem); }
  .subsection-title { font-size:1.2rem; }

  /* GALLERY */
  .masonry-gallery { columns:1; }
  .gallery-item.tall img { min-height:200px; }

  /* SHOWROOM */
  .showroom-gallery {
    grid-template-columns:1fr;
    grid-template-rows:200px 170px 160px 150px 150px;
    gap:8px;
  }
  .showroom-main    { grid-column:1; grid-row:1; }
  .showroom-side:nth-child(2) { grid-column:1; grid-row:2; }
  .showroom-side:nth-child(3) { grid-column:1; grid-row:3; }
  .showroom-bottom-1 { grid-column:1; grid-row:4; }
  .showroom-bottom-2 { grid-column:1; grid-row:5; }
  .showroom-bottom-3 { display:none; }
  .showroom-info { grid-template-columns:1fr; }

  /* REFERENCES */
  .references-grid { grid-template-columns:repeat(2,1fr); gap:6px; }
  .filter-btn { padding:8px 14px; font-size:0.78rem; }

  /* CONTACT */
  .contact-quick-cards {
    grid-template-columns:1fr;
    gap:10px;
    margin:-16px 0 24px;
  }
  .cq-card { padding:16px 14px; gap:12px; }
  .cq-icon { width:42px; height:42px; }
  .cq-num { font-size:1rem; }
  .cq-role { white-space:normal; font-size:0.65rem; }
  .cq-action { display:none; }

  .contact-hero-title { font-size:clamp(1.5rem,7vw,2rem); }
  .contact-hero-brand { flex-wrap:wrap; gap:12px; }
  .contact-hero-logo { height:44px; }
  .contact-hero-egepen { height:32px; }

  .map-wrapper iframe { height:260px; }

  /* LIGHTBOX */
  .lightbox-prev { left:6px; }
  .lightbox-next { right:6px; }
  .lightbox-prev, .lightbox-next { width:38px; height:38px; font-size:1.6rem; }
}