:root {
  /* Light theme - white background with steel blue accents */
  --black: #ffffff;
  --dark: #fafafa;
  --dark2: #f5f5f5;
  --dark3: #efefef;
  --gray: #e0e0e0;
  --gray-mid: #999;
  --gray-light: #666;
  --gray-lighter: #444;
  --white: #1a1a1a;
  --pure-white: #0a0a0a;
  --steel: #4a6d8c;
  --steel-light: #3a5a78;
  --steel-bright: #2c4a66;
  --radius: 6px;
  --font-body: 'Outfit', sans-serif;
  --font-display: 'Playfair Display', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
::selection { background: var(--steel); color: var(--pure-white); }
img { max-width: 100%; height: auto; }

/* Icon fallback - prevent empty boxes if Tabler Icons CDN fails to load */
.ti { font-family: 'tabler-icons', sans-serif !important; font-style: normal; display: inline-block; }
.ti:empty::before { content: ''; }
/* If tabler-icons font fails to load, the unicode codepoints render as empty strings (not boxes) */
i.ti { speak: none; font-weight: normal; font-variant: normal; text-transform: none; line-height: 1; }

/* PRELOADER */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader img { width: 70px; animation: preloaderPulse 1.2s ease-in-out infinite; }
.preloader-text { margin-top: 1.25rem; font-size: 12px; letter-spacing: 4px; text-transform: uppercase; color: var(--gray-light); font-weight: 300; }
.preloader-bar { width: 100px; height: 2px; background: var(--gray); margin-top: 1rem; border-radius: 2px; overflow: hidden; }
.preloader-bar::after { content: ''; display: block; width: 40%; height: 100%; background: var(--steel-light); border-radius: 2px; animation: preloaderSlide 1s ease-in-out infinite; }
@keyframes preloaderPulse { 0%, 100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } }
@keyframes preloaderSlide { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }

/* CUSTOM CURSOR - desktop only */
.cursor-dot, .cursor-ring { display: none; }
@media (pointer: fine) and (min-width: 901px) {
  .cursor-dot {
    width: 8px; height: 8px; background: var(--steel-light); border-radius: 50%;
    position: fixed; pointer-events: none; z-index: 10000; transition: transform 0.1s;
    mix-blend-mode: difference; display: block;
  }
  .cursor-ring {
    width: 36px; height: 36px; border: 1px solid rgba(90,138,180,0.4); border-radius: 50%;
    position: fixed; pointer-events: none; z-index: 10000;
    transition: transform 0.15s ease, width 0.3s, height 0.3s, border-color 0.3s;
    transform: translate(-50%, -50%); display: block;
  }
  .cursor-ring.hover { width: 52px; height: 52px; border-color: var(--steel-light); }
  body { cursor: none; }
  a, button, input, textarea, select, .urun-item, .hizmet-card { cursor: none; }
}

/* REVEAL ANIMATIONS */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25,0.46,0.45,0.94), transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94);
}
.reveal.vis { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.1s; }
.reveal.d2 { transition-delay: 0.2s; }
.reveal.d3 { transition-delay: 0.3s; }
.reveal.d4 { transition-delay: 0.4s; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: transparent; backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
}
.nav.scrolled {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(24px);
  border-bottom-color: rgba(0,0,0,0.08);
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 1.25rem;
  height: 88px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.nav-logo img { height: 72px; width: auto; }
.nav-logo-text { display: flex; align-items: baseline; gap: 3px; }
.nav-logo-main { font-size: 18px; font-weight: 700; color: var(--pure-white); letter-spacing: 2px; text-transform: uppercase; }
.nav-logo-sub { font-size: 18px; font-weight: 300; color: var(--steel-light); letter-spacing: 2px; text-transform: uppercase; }

.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  color: var(--gray-lighter); text-decoration: none; font-size: 13px; font-weight: 400;
  letter-spacing: 1px; text-transform: uppercase; transition: color 0.25s;
  position: relative; padding-bottom: 4px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1.5px; background: var(--steel-light); transition: width 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--pure-white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  display: flex; background: rgba(0,0,0,0.06); border-radius: 4px;
  overflow: hidden; border: 1px solid rgba(0,0,0,0.08);
}
.lang-btn {
  padding: 5px 10px; font-size: 11px; font-weight: 500; letter-spacing: 1px;
  background: transparent; color: var(--gray-light); border: none;
  transition: all 0.25s; font-family: var(--font-body);
}
.lang-btn.active { background: var(--steel); color: var(--pure-white); }
.nav-cta {
  font-size: 12px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--pure-white); background: transparent;
  border: 1px solid rgba(0,0,0,0.25); padding: 8px 18px;
  border-radius: var(--radius); text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
}
.nav-cta:hover { border-color: var(--steel-light); background: rgba(90,138,180,0.1); }
.nav-social { color: var(--gray-lighter); font-size: 18px; transition: color 0.2s; text-decoration: none; }
.nav-social:hover { color: #0a66c2; }

/* HAMBURGER */
.hamburger {
  display: none; background: none; border: none; padding: 8px;
  flex-direction: column; gap: 5px; z-index: 201;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE NAV OVERLAY */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 199;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(30px);
  flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; visibility: hidden; transition: opacity 0.35s, visibility 0.35s;
}
.mobile-nav.open { opacity: 1; visibility: visible; }
.mobile-nav a {
  font-size: 20px; font-weight: 500; color: var(--white); text-decoration: none;
  letter-spacing: 3px; text-transform: uppercase; transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--steel-light); }
.mobile-nav-footer {
  display: flex; gap: 16px; margin-top: 2rem; align-items: center;
}
.mobile-nav-footer a { color: var(--gray-lighter); font-size: 22px; text-decoration: none; }
.mobile-lang { display: flex; gap: 0; border: 1px solid rgba(0,0,0,0.15); border-radius: 4px; overflow: hidden; }
.mobile-lang .lang-btn { padding: 8px 16px; font-size: 13px; }

/* HERO */
.hero {
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 88px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(74,109,140,0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(74,109,140,0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--black) 0%, var(--dark) 100%);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
.hero-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute; width: 2px; height: 2px;
  background: rgba(90,138,180,0.5); border-radius: 50%;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) translateX(0); opacity: 0; }
  10% { opacity: 1; } 90% { opacity: 1; }
  100% { transform: translateY(-10vh) translateX(40px); opacity: 0; }
}
.hero-line {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(74,109,140,0.1) 30%, rgba(74,109,140,0.1) 70%, transparent 100%);
}
.hero-line:nth-child(1) { left: 20%; }
.hero-line:nth-child(2) { left: 50%; }
.hero-line:nth-child(3) { left: 80%; }
.hero-content { position: relative; z-index: 2; padding: 4rem 0; }
.hero-logo {
  width: 140px; margin-bottom: 1.75rem;
  filter: drop-shadow(0 0 30px rgba(90,138,180,0.15));
  animation: heroLogoIn 1s ease 0.3s both;
}
@keyframes heroLogoIn { from { opacity: 0; transform: translateY(16px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 500; letter-spacing: 3px;
  text-transform: uppercase; color: var(--steel-light); margin-bottom: 1.75rem;
}
.hero-tag::before { content: ''; width: 40px; height: 1px; background: var(--steel-light); }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(36px, 7vw, 68px);
  font-weight: 600; line-height: 1.08; color: var(--pure-white);
  margin-bottom: 0.5rem; letter-spacing: -1px;
}
.hero h1 .stroke-text { -webkit-text-stroke: 1.5px var(--steel-light); color: transparent; }
.hero h1 span {
  display: block; font-family: var(--font-body);
  font-size: clamp(12px, 2vw, 16px); font-weight: 300;
  color: var(--gray-light); letter-spacing: clamp(3px, 1vw, 7px);
  text-transform: uppercase; margin-top: 1rem; -webkit-text-stroke: 0;
}
.hero-desc {
  font-size: clamp(14px, 2vw, 16px); font-weight: 300;
  color: var(--gray-lighter); line-height: 1.85;
  max-width: 540px; margin: 1.75rem 0 2.25rem;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-steel {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase;
  color: var(--pure-white); background: var(--steel);
  padding: 13px 26px; border-radius: var(--radius); border: none;
  text-decoration: none; transition: background 0.25s;
  font-family: var(--font-body); position: relative; overflow: hidden;
}
.btn-steel::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.08), transparent);
  transition: left 0.5s;
}
.btn-steel:hover { background: var(--steel-light); }
.btn-steel:hover::before { left: 100%; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 400; letter-spacing: 1px; text-transform: uppercase;
  color: var(--gray-lighter); background: transparent;
  padding: 13px 26px; border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.15);
  text-decoration: none; transition: border-color 0.25s, color 0.25s;
}
.btn-outline:hover { border-color: var(--steel-light); color: var(--pure-white); }

/* TRUST BAR */
.trust-bar {
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: var(--dark); padding: 2.5rem 1.25rem;
}
.trust-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.trust-item { text-align: center; }
.trust-num { font-family: var(--font-display); font-size: clamp(28px, 5vw, 38px); font-weight: 600; color: var(--steel-light); line-height: 1; margin-bottom: 6px; }
.trust-lbl { font-size: 12px; color: var(--gray-light); letter-spacing: 0.5px; }

/* SERVICE STRIP */
.services-strip { border-bottom: 1px solid rgba(0,0,0,0.06); background: var(--dark2); }
.strip-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); }
.strip-item { padding: 2.25rem 1.5rem; border-right: 1px solid rgba(0,0,0,0.06); transition: background 0.3s; }
.strip-item:last-child { border-right: none; }
.strip-item:hover { background: rgba(74,109,140,0.06); }
.strip-item i { font-size: 26px; color: var(--steel-light); margin-bottom: 0.75rem; display: block; }
.strip-item h3 { font-size: 14px; font-weight: 600; color: var(--pure-white); margin-bottom: 6px; }
.strip-item p { font-size: 13px; color: var(--gray-light); line-height: 1.6; }

/* SECTIONS */
section { padding: 80px 1.25rem; position: relative; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 500; letter-spacing: 3px;
  text-transform: uppercase; color: var(--steel-light); margin-bottom: 1rem;
}
.section-tag::before { content: ''; width: 24px; height: 1px; background: var(--steel-light); }
.section-title {
  font-family: var(--font-display); font-size: clamp(26px, 4vw, 36px);
  font-weight: 600; color: var(--pure-white); margin-bottom: 0.75rem;
}
.section-sub { font-size: 15px; font-weight: 300; color: var(--gray-light); max-width: 520px; line-height: 1.7; margin-bottom: 2.5rem; }
.bg-num {
  position: absolute; top: 50px; right: 30px;
  font-family: var(--font-display); font-size: clamp(100px, 20vw, 200px);
  font-weight: 700; color: rgba(74,109,140,0.05); line-height: 1;
  pointer-events: none; user-select: none;
}

/* HIZMETLER */
.hizmet-bg { background: var(--black); }
.hizmet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.06); border-radius: var(--radius); overflow: hidden; }
.hizmet-card { background: var(--dark); padding: 1.75rem; transition: background 0.3s; position: relative; overflow: hidden; }
.hizmet-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 0; background: var(--steel-light); transition: height 0.4s; }
.hizmet-card:hover { background: var(--dark2); }
.hizmet-card:hover::before { height: 100%; }
.hizmet-card i { font-size: 22px; color: var(--steel-light); margin-bottom: 0.75rem; display: block; }
.hizmet-card h3 { font-size: 14px; font-weight: 600; color: var(--pure-white); margin-bottom: 6px; }
.hizmet-card p { font-size: 13px; color: var(--gray-light); line-height: 1.65; }
.hizmet-card ul { list-style: none; margin-top: 10px; }
.hizmet-card ul li { font-size: 12px; color: var(--gray-lighter); padding: 3px 0 3px 14px; position: relative; }
.hizmet-card ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 4px; height: 4px; border-radius: 50%; background: var(--steel); }

/* ÜRÜNLER */
.urun-bg { background: var(--dark); }
.tab-toggle {
  display: inline-flex; margin-bottom: 2rem;
  border: 1px solid rgba(0,0,0,0.1); border-radius: var(--radius); overflow: hidden;
}
.tab-btn {
  padding: 10px 24px; font-size: 13px; font-weight: 500; letter-spacing: 1px;
  text-transform: uppercase; background: transparent; color: var(--gray-light);
  border: none; font-family: var(--font-body); transition: all 0.3s;
  display: flex; align-items: center; gap: 6px;
}
.tab-btn.active { background: var(--steel); color: var(--pure-white); }
.tab-btn:hover:not(.active) { background: rgba(0,0,0,0.04); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.urun-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.urun-item {
  display: flex; align-items: center; gap: 14px;
  padding: 1rem 1.25rem; background: var(--dark2);
  border: 1px solid rgba(0,0,0,0.05); border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s; position: relative; overflow: hidden;
}
.urun-item:hover { border-color: rgba(74,109,140,0.3); background: var(--dark3); }
.urun-item:hover .urun-hover { opacity: 1; transform: translateY(-50%); }
.urun-icon {
  width: 42px; height: 42px; border-radius: 8px;
  background: rgba(74,109,140,0.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.urun-icon i { font-size: 20px; color: var(--steel-light); }
.urun-item-text { flex: 1; min-width: 0; }
.urun-item h4 { font-size: 14px; font-weight: 500; color: var(--pure-white); }
.urun-item-text p { font-size: 12px; color: var(--gray-light); margin-top: 2px; }
.urun-hover {
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%) translateY(4px); opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  display: flex; align-items: center; gap: 5px;
  font-size: 11px; color: var(--steel-light); letter-spacing: 0.5px; white-space: nowrap;
}

/* KATALOG */
.katalog-bar { background: var(--dark2); border-top: 1px solid rgba(0,0,0,0.06); border-bottom: 1px solid rgba(0,0,0,0.06); padding: 2rem 1.25rem; }
.katalog-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.katalog-inner p { font-size: 14px; color: var(--gray-lighter); }
.katalog-inner p strong { color: var(--pure-white); }
.btn-pdf {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--pure-white);
  background: rgba(74,109,140,0.2); border: 1px solid rgba(74,109,140,0.4);
  padding: 10px 20px; border-radius: var(--radius); text-decoration: none;
  transition: background 0.25s; white-space: nowrap;
}
.btn-pdf:hover { background: rgba(74,109,140,0.35); }

/* HAKKIMIZDA */
.about-bg { background: var(--black); }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: start; }
.about-text p { font-size: 15px; font-weight: 300; color: var(--gray-lighter); line-height: 1.85; margin-bottom: 1.25rem; }
.founder-card {
  display: flex; align-items: center; gap: 14px;
  padding: 1rem 1.25rem; background: var(--dark);
  border: 1px solid rgba(0,0,0,0.06); border-radius: var(--radius); margin-top: 1rem;
}
.founder-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(74,109,140,0.15); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.founder-avatar i { font-size: 22px; color: var(--steel-light); }
.founder-card h4 { font-size: 14px; font-weight: 600; color: var(--pure-white); }
.founder-card p { font-size: 12px; color: var(--gray-light); }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-val {
  padding: 1.25rem; background: var(--dark);
  border: 1px solid rgba(0,0,0,0.06); border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}
.about-val:hover { border-color: rgba(74,109,140,0.3); transform: translateY(-2px); }
.about-val:nth-child(even) { margin-top: 1.5rem; }
.about-val i { font-size: 20px; color: var(--steel-light); margin-bottom: 8px; display: block; }
.about-val h4 { font-size: 13px; font-weight: 600; color: var(--pure-white); margin-bottom: 4px; }
.about-val p { font-size: 12px; color: var(--gray-light); line-height: 1.5; }

/* PROCESS */
.process-bg { background: var(--dark); border-top: 1px solid rgba(0,0,0,0.06); }
.process-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.process-step { text-align: center; padding: 0 0.5rem; position: relative; }
.process-step::after { content: ''; position: absolute; top: 24px; right: -50%; width: 100%; height: 1px; background: linear-gradient(to right, var(--steel), rgba(0,0,0,0.06)); }
.process-step:last-child::after { display: none; }
.step-circle {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--dark2); border: 1.5px solid var(--steel);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem; position: relative; z-index: 1;
  font-size: 16px; font-weight: 600; color: var(--steel-light);
  transition: background 0.3s, color 0.3s;
}
.process-step:hover .step-circle { background: var(--steel); color: var(--pure-white); }
.process-step:last-child .step-circle { background: var(--steel); color: var(--pure-white); }
.process-step h4 { font-size: 12px; font-weight: 600; color: var(--pure-white); margin-bottom: 4px; }
.process-step p { font-size: 11px; color: var(--gray-light); line-height: 1.5; }

/* MAP */
.map-section { background: var(--black); padding: 0; }
.map-section iframe { width: 100%; height: 280px; border: none; filter: grayscale(1) brightness(0.55) contrast(1.2); transition: filter 0.4s; }
.map-section iframe:hover { filter: grayscale(0.2) brightness(0.75); }

/* CONTACT */
.contact-bg { background: var(--black); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.contact-details { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.25rem; }
.contact-row { display: flex; align-items: center; gap: 12px; }
.contact-row i { font-size: 18px; color: var(--steel-light); flex-shrink: 0; }
.contact-row span, .contact-row a { font-size: 14px; color: var(--gray-lighter); text-decoration: none; transition: color 0.2s; word-break: break-word; }
.contact-row a:hover { color: var(--pure-white); }
.form-card {
  background: rgba(20,20,20,0.6); backdrop-filter: blur(20px);
  border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius);
  padding: 2rem; box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.form-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 1.25rem; color: var(--pure-white); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.form-group label { font-size: 11px; font-weight: 500; color: var(--gray-light); letter-spacing: 1px; text-transform: uppercase; }
.form-group input, .form-group textarea, .form-group select {
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); padding: 11px 14px; font-size: 16px;
  font-family: var(--font-body); color: var(--white); outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  -webkit-appearance: none; appearance: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--steel); box-shadow: 0 0 0 3px rgba(74,109,140,0.15);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-submit {
  width: 100%; background: var(--steel); color: var(--pure-white);
  font-size: 13px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase;
  padding: 14px; border-radius: var(--radius); border: none;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 0.25s; font-family: var(--font-body);
  -webkit-appearance: none; position: relative; overflow: hidden;
}
.form-submit::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.08), transparent);
  transition: left 0.5s;
}
.form-submit:hover { background: var(--steel-light); }
.form-submit:hover::before { left: 100%; }
.form-note { font-size: 11px; color: var(--gray-mid); margin-top: 10px; text-align: center; }

/* CTA */
.cta-bar { background: var(--dark); border-top: 1px solid rgba(0,0,0,0.06); border-bottom: 1px solid rgba(0,0,0,0.06); padding: 3rem 1.25rem; }
.cta-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.cta-inner h2 { font-family: var(--font-display); font-size: clamp(20px, 3vw, 26px); font-weight: 600; color: var(--pure-white); }
.cta-inner p { color: var(--gray-light); font-size: 14px; margin-top: 4px; }

/* COOKIE */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 500;
  background: var(--dark2); border-top: 1px solid rgba(0,0,0,0.08);
  padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: center;
  gap: 1rem; flex-wrap: wrap;
  transform: translateY(100%); transition: transform 0.5s ease;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner p { font-size: 13px; color: var(--gray-lighter); text-align: center; }
.cookie-banner a { color: var(--steel-light); text-decoration: underline; }
.cookie-accept {
  background: var(--steel); color: var(--pure-white);
  font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase;
  padding: 8px 20px; border-radius: var(--radius); border: none;
  font-family: var(--font-body); transition: background 0.25s; white-space: nowrap;
}
.cookie-accept:hover { background: var(--steel-light); }

/* FOOTER */
footer { background: var(--black); padding: 2rem 1.25rem; border-top: 1px solid rgba(0,0,0,0.06); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-brand { font-size: 13px; color: var(--gray-light); display: flex; align-items: center; gap: 8px; }
.footer-brand img { height: 22px; width: auto; opacity: 0.7; }
.footer-brand strong { color: var(--pure-white); font-weight: 600; }
.footer-mid { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { color: var(--gray-mid); font-size: 12px; text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gray-lighter); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { color: var(--gray-mid); font-size: 18px; text-decoration: none; transition: color 0.2s; }
.footer-social a:hover { color: var(--steel-light); }
.footer-copy { color: var(--gray); font-size: 12px; }

/* SCROLL TOP */
.scroll-top {
  position: fixed; bottom: 88px; right: 20px; z-index: 998;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  pointer-events: none;
}
.scroll-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top:hover { background: var(--steel); }
.scroll-top i { font-size: 18px; color: var(--pure-white); }

/* WHATSAPP */
.wa-btn {
  position: fixed; bottom: 20px; right: 20px; z-index: 999;
  width: 52px; height: 52px; border-radius: 50%; background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35); text-decoration: none; transition: transform 0.2s;
}
.wa-btn:hover { transform: scale(1.08); }
.wa-btn svg { width: 26px; height: 26px; fill: #fff; }

/* ====== MOBILE RESPONSIVE ====== */
@media (max-width: 900px) {
  .nav-links, .nav-cta, .nav-social { display: none !important; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }
  .lang-toggle { display: none; }

  .hero-content { padding: 2.5rem 0; }
  .hero-logo { width: 100px; margin-bottom: 1.25rem; }
  .hero-tag { margin-bottom: 1.25rem; }
  .hero-desc { margin: 1.25rem 0 1.75rem; }
  .hero-btns { gap: 10px; }
  .btn-steel, .btn-outline { padding: 12px 20px; font-size: 12px; width: 100%; justify-content: center; }

  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

  .strip-inner { grid-template-columns: 1fr; }
  .strip-item { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.06); padding: 1.75rem 1.25rem; }
  .strip-item:last-child { border-bottom: none; }

  section { padding: 60px 1.25rem; }
  .bg-num { font-size: 100px; top: 30px; right: 15px; }

  .hizmet-grid { grid-template-columns: 1fr; }
  .hizmet-card { padding: 1.5rem; }

  .urun-list { grid-template-columns: 1fr; }
  .urun-hover { display: none; }
  .urun-item { padding: 1rem; }

  .katalog-inner { flex-direction: column; align-items: flex-start; }

  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-values { grid-template-columns: 1fr 1fr; }
  .about-val:nth-child(even) { margin-top: 0; }
  .about-val { padding: 1rem; }

  .process-steps { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .process-step::after { display: none; }
  .process-step:last-child { grid-column: 1 / -1; }

  .map-section iframe { height: 220px; }

  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 1.5rem; }

  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner .btn-steel { width: 100%; justify-content: center; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-mid { justify-content: center; }

  .cookie-banner { flex-direction: column; gap: 0.75rem; padding: 1rem; }

  .scroll-top { bottom: 80px; right: 16px; width: 38px; height: 38px; }
  .wa-btn { bottom: 16px; right: 16px; width: 48px; height: 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  section { padding: 50px 1rem; }
  .nav-inner { padding: 0 1rem; height: 72px; }
  .nav-logo img { height: 58px; }
  .nav-logo-main, .nav-logo-sub { font-size: 16px; }
  .trust-bar { padding: 2rem 1rem; }
  .trust-inner { gap: 1rem; }
  .trust-num { font-size: 26px; }
  .trust-lbl { font-size: 11px; }
  .about-values { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step:last-child { grid-column: auto; }
  .hero h1 { letter-spacing: 0; }
  .tab-toggle { display: flex; width: 100%; }
  .tab-btn { flex: 1; justify-content: center; padding: 10px 12px; font-size: 12px; }
}

/* ====== STEEL CALCULATOR ====== */
.calc-bg { background: var(--dark); border-top: 1px solid rgba(0,0,0,0.06); }
.calc-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.calc-card {
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); padding: 2rem; position: relative; overflow: hidden;
}
.calc-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--steel), var(--steel-light)); border-radius: 3px 3px 0 0;
}
.calc-card h3 { font-size: 16px; font-weight: 600; color: var(--pure-white); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 8px; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-group { display: flex; flex-direction: column; gap: 6px; }
.calc-group.full { grid-column: 1 / -1; }
.calc-group label { font-size: 11px; font-weight: 500; color: var(--gray-light); letter-spacing: 1px; text-transform: uppercase; }
.calc-group input, .calc-group select {
  background: var(--black); border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius); padding: 11px 14px; font-size: 16px;
  font-family: var(--font-body); color: var(--white); outline: none;
  transition: border-color 0.3s; -webkit-appearance: none;
}
.calc-group input:focus, .calc-group select:focus { border-color: var(--steel); }
.calc-group select option { background: var(--dark); }
.calc-btn {
  width: 100%; margin-top: 1rem; background: var(--steel); color: var(--pure-white);
  font-size: 13px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase;
  padding: 13px; border-radius: var(--radius); border: none;
  font-family: var(--font-body); transition: background 0.25s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.calc-btn:hover { background: var(--steel-light); }
.calc-result {
  margin-top: 1.5rem; padding: 1.25rem; background: rgba(74,109,140,0.08);
  border: 1px solid rgba(74,109,140,0.2); border-radius: var(--radius);
  display: none;
}
.calc-result.show { display: block; animation: fadeUp 0.3s ease; }
.calc-result-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.calc-result-row:not(:last-child) { border-bottom: 1px solid rgba(0,0,0,0.06); }
.calc-result-label { font-size: 13px; color: var(--gray-light); }
.calc-result-value { font-size: 18px; font-weight: 600; color: var(--steel-light); }
.calc-result-value small { font-size: 12px; font-weight: 400; color: var(--gray-lighter); }
.calc-info { display: flex; flex-direction: column; justify-content: center; }
.calc-info h3 { font-size: 16px; font-weight: 600; color: var(--pure-white); margin-bottom: 1rem; display: flex; align-items: center; gap: 8px; }
.calc-info p { font-size: 14px; color: var(--gray-light); line-height: 1.75; margin-bottom: 0.75rem; }
.calc-formula {
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1rem 0;
  font-family: monospace; font-size: 14px; color: var(--steel-light); text-align: center;
}
.calc-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 1rem; }
.calc-spec {
  padding: 0.75rem; background: var(--dark2); border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius); text-align: center;
}
.calc-spec strong { font-size: 13px; color: var(--pure-white); display: block; }
.calc-spec span { font-size: 11px; color: var(--gray-light); }

/* ====== SMART QUOTE FORM ====== */
.quote-bg { background: var(--black); border-top: 1px solid rgba(0,0,0,0.06); }
.quote-card {
  max-width: 720px; margin: 0 auto;
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); padding: 2.5rem; position: relative; overflow: hidden;
}
.quote-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--steel), var(--steel-bright)); border-radius: 3px 3px 0 0;
}
.quote-steps { display: flex; justify-content: center; align-items: center; gap: 0; margin-bottom: 2rem; }
.quote-step-item { display: flex; align-items: center; }
.quote-step-num {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--gray); display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; color: var(--gray-light); transition: all 0.3s;
}
.quote-step-item.active .quote-step-num { background: var(--steel); color: var(--pure-white); }
.quote-step-item.done .quote-step-num { background: #25d366; color: var(--pure-white); }
.quote-step-line { width: 40px; height: 2px; background: var(--gray); margin: 0 8px; transition: background 0.3s; }
.quote-step-item.done .quote-step-line { background: #25d366; }
.quote-panel { display: none; }
.quote-panel.active { display: block; animation: fadeUp 0.3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.quote-panel h4 { font-size: 16px; font-weight: 600; color: var(--pure-white); margin-bottom: 1.25rem; }
.product-select-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.product-option {
  padding: 1.1rem 0.75rem; background: var(--dark3); border: 1.5px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); text-align: center; transition: all 0.25s; position: relative;
}
.product-option:hover { border-color: rgba(74,109,140,0.3); background: rgba(74,109,140,0.05); }
.product-option.selected { border-color: var(--steel-light); background: rgba(74,109,140,0.12); }
.product-option.selected::after {
  content: '✓'; position: absolute; top: 6px; right: 8px;
  font-size: 14px; color: var(--steel-light); font-weight: 700;
}
.product-option i { font-size: 22px; color: var(--steel-light); display: block; margin-bottom: 6px; }
.product-option span { font-size: 12px; font-weight: 500; color: var(--white); }
.quote-nav { display: flex; gap: 12px; margin-top: 1.5rem; }
.quote-nav .btn-steel, .quote-nav .btn-outline { flex: 1; justify-content: center; font-size: 12px; padding: 12px; }
.quote-summary {
  background: var(--black); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
}
.quote-summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; }
.quote-summary-row:not(:last-child) { border-bottom: 1px solid rgba(0,0,0,0.06); }
.quote-summary-row span:first-child { color: var(--gray-light); }
.quote-summary-row span:last-child { color: var(--pure-white); font-weight: 500; }

/* ====== SUPPLIER MAP ====== */
.supplier-bg { background: var(--dark); border-top: 1px solid rgba(0,0,0,0.06); }
.world-map-container {
  width: 100%; aspect-ratio: 2.2/1; position: relative;
  background: var(--dark2); border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius); overflow: hidden; margin-top: 2rem;
}
.map-dot {
  position: absolute; width: 12px; height: 12px;
  transform: translate(-50%, -50%);
}
.map-dot::before {
  content: ''; position: absolute; inset: 2px;
  background: var(--steel-light); border-radius: 50%;
  animation: mapPulse 2.5s ease-in-out infinite;
}
.map-dot::after {
  content: ''; position: absolute; inset: -3px;
  border: 1.5px solid var(--steel-light); border-radius: 50%; opacity: 0.3;
  animation: mapRing 2.5s ease-in-out infinite;
}
@keyframes mapPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.2); opacity: 0.7; } }
@keyframes mapRing { 0%, 100% { transform: scale(1); opacity: 0.3; } 50% { transform: scale(2); opacity: 0; } }
.map-tooltip {
  position: absolute; bottom: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  background: var(--dark); border: 1px solid rgba(0,0,0,0.12);
  border-radius: 4px; padding: 6px 12px; font-size: 12px; color: var(--white);
  white-space: nowrap; opacity: 0; visibility: hidden; transition: all 0.2s;
  pointer-events: none; z-index: 10; font-weight: 500;
}
.map-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--dark);
}
.map-dot:hover .map-tooltip { opacity: 1; visibility: visible; }
.supplier-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 1.5rem; }
.supplier-stat {
  text-align: center; padding: 1.1rem; background: var(--dark2);
  border: 1px solid rgba(0,0,0,0.06); border-radius: var(--radius);
  transition: border-color 0.3s;
}
.supplier-stat:hover { border-color: rgba(74,109,140,0.3); }
.supplier-stat-num { font-family: var(--font-display); font-size: 26px; font-weight: 600; color: var(--steel-light); }
.supplier-stat-lbl { font-size: 11px; color: var(--gray-light); margin-top: 4px; }

/* ====== FAQ ====== */
.faq-bg { background: var(--black); border-top: 1px solid rgba(0,0,0,0.06); }
.faq-list { max-width: 760px; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,0.06); }
.faq-question {
  width: 100%; background: none; border: none;
  padding: 1.25rem 0; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; font-family: var(--font-body); text-align: left;
}
.faq-question span { font-size: 15px; font-weight: 500; color: var(--pure-white); transition: color 0.2s; }
.faq-question i { font-size: 20px; color: var(--gray-light); transition: transform 0.3s, color 0.3s; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); color: var(--steel-light); }
.faq-item.open .faq-question span { color: var(--steel-light); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { font-size: 14px; color: var(--gray-lighter); line-height: 1.8; padding-bottom: 1.25rem; }

/* ====== RESPONSIVE - NEW FEATURES ====== */
@media (max-width: 900px) {
  .calc-wrapper { grid-template-columns: 1fr; gap: 2rem; }
  .product-select-grid { grid-template-columns: repeat(2, 1fr); }
  .supplier-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .calc-grid { grid-template-columns: 1fr; }
  .calc-card, .quote-card { padding: 1.5rem; }
  .product-select-grid { grid-template-columns: 1fr 1fr; }
  .supplier-stats { grid-template-columns: 1fr 1fr; }
  .quote-step-line { width: 20px; }
  .calc-specs { grid-template-columns: 1fr; }
}

/* iOS safe areas */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .cookie-banner { padding-bottom: calc(1rem + env(safe-area-inset-bottom)); }
  .wa-btn { bottom: calc(16px + env(safe-area-inset-bottom)); }
  .scroll-top { bottom: calc(80px + env(safe-area-inset-bottom)); }
  footer { padding-bottom: calc(2rem + env(safe-area-inset-bottom)); }
}