/* ============================================
   DEMAR YAPI VE METAL - Ortak Stil
   ============================================ */

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-gray: #1a1a1a;
  --medium-gray: #2a2a2a;
  --light-gray: #888888;
  --white: #f5f5f5;
  --ember: #e85d04;
  --ember-light: #f48c06;
  --ember-glow: rgba(232, 93, 4, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 93, 4, 0.2);
  transition: background 0.3s;
}

.nav-container {
  max-width: 1400px; margin: 0 auto; padding: 0 30px;
  display: flex; justify-content: space-between; align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: 3px;
  color: var(--white); display: flex; align-items: center; gap: 8px;
}
.logo span { color: var(--ember); }

.nav-links {
  display: flex; list-style: none; gap: 35px; align-items: center;
}

.nav-links a {
  font-size: 0.9rem; font-weight: 500; letter-spacing: 1px;
  text-transform: uppercase; position: relative; padding: 5px 0;
  transition: color 0.3s;
}

.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--ember);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--ember); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--ember); }
.nav-links a.active::after { width: 100%; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 5px;
}
.hamburger span {
  display: block; width: 25px; height: 2px;
  background: var(--white); transition: all 0.3s;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block; padding: 14px 35px;
  background: var(--ember); color: var(--white);
  font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; font-size: 0.85rem;
  border: none; cursor: pointer; transition: all 0.3s;
}
.btn-primary:hover {
  background: var(--ember-light); transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--ember-glow);
}

.btn-outline {
  display: inline-block; padding: 14px 35px;
  background: transparent; color: var(--white);
  border: 2px solid var(--ember); font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  font-size: 0.85rem; cursor: pointer; transition: all 0.3s;
}
.btn-outline:hover {
  background: var(--ember); transform: translateY(-2px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center; margin-bottom: 60px;
}
.section-label {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 4px;
  text-transform: uppercase; color: var(--ember); margin-bottom: 15px;
}
.section-title {
  font-size: 2.5rem; font-weight: 800; line-height: 1.2; color: var(--white);
}
.section-title span { color: var(--ember); }

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 150px 30px 80px; text-align: center;
  background: linear-gradient(135deg, var(--dark-gray), var(--black));
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1920&q=80') center/cover no-repeat;
  opacity: 0.1;
}
.page-header-content { position: relative; z-index: 2; }
.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900;
  color: var(--white); margin-bottom: 15px;
}
.page-header h1 span { color: var(--ember); }
.page-header p {
  font-size: 1.1rem; color: var(--light-gray);
  max-width: 600px; margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-gray);
  border-top: 1px solid rgba(232, 93, 4, 0.2);
  padding: 60px 30px 30px;
}
.footer-container {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px;
}
.footer-col h3 {
  font-size: 1rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 20px; color: var(--ember);
}
.footer-col p, .footer-col a {
  font-size: 0.9rem; color: var(--light-gray);
  line-height: 2; display: block; transition: color 0.3s;
}
.footer-col a:hover { color: var(--ember); }
.footer-bottom {
  max-width: 1400px; margin: 40px auto 0; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center; font-size: 0.85rem; color: var(--light-gray);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes sparkFly {
  0%, 100% { transform: translateY(0) scale(1); opacity: 1; }
  50% { transform: translateY(-30px) scale(1.5); opacity: 0.5; }
}

.animate-on-scroll {
  opacity: 0; transform: translateY(40px);
  transition: all 0.8s ease-out;
}
.animate-on-scroll.visible {
  opacity: 1; transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 70px; left: 0; width: 100%;
    background: rgba(10, 10, 10, 0.98); flex-direction: column;
    padding: 30px; gap: 20px; transform: translateY(-100%);
    opacity: 0; pointer-events: none; transition: all 0.4s;
  }
  .nav-links.active {
    transform: translateY(0); opacity: 1; pointer-events: all;
  }
  .section-title { font-size: 1.8rem; }
  .footer-container { grid-template-columns: 1fr; }
}