/* ============================================================
   Dasa Yapı — Ana CSS  (Premium Dark/Gold Tema)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --gold:        #c9a84c;
  --gold-light:  #e2c47a;
  --gold-dark:   #9a7a2e;
  --bg:          #0b0b0b;
  --bg2:         #141414;
  --bg3:         #1c1c1c;
  --surface:     #222222;
  --border:      #2e2e2e;
  --text:        #f0ece4;
  --text-muted:  #888888;
  --text-dim:    #555555;
  --white:       #ffffff;
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;
  --radius:      4px;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow:      0 8px 40px rgba(0,0,0,0.6);
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* ── Custom Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ── Typography ─────────────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: var(--font-serif); font-weight: 500; line-height: 1.15; }
.heading-xl  { font-size: clamp(3rem,7vw,7rem); letter-spacing: -0.02em; }
.heading-lg  { font-size: clamp(2rem,4vw,3.5rem); }
.heading-md  { font-size: clamp(1.5rem,3vw,2.2rem); }
.gold-text   { color: var(--gold); }
.section-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex; align-items: center; gap: 12px;
}
.section-label::before {
  content: '';
  width: 40px; height: 1px;
  background: var(--gold);
}

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(1rem,4vw,3rem); }
.section    { padding: clamp(5rem,10vw,9rem) 0; }

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.4rem 0;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(11,11,11,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 2.5rem; }
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--gold); transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  padding: 0.55rem 1.5rem;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  border-radius: var(--radius);
  font-size: 0.78rem !important;
  letter-spacing: 0.1em;
  transition: all var(--transition) !important;
}
.nav-cta:hover { background: var(--gold); color: var(--bg) !important; }
.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; cursor: pointer;
}
.nav-hamburger span {
  display: block; height: 2px; background: var(--text);
  transition: all var(--transition);
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('/assets/img/hero-bg.jpg') center/cover no-repeat;
  filter: saturate(1.15) contrast(1.05);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,11,11,0.85) 0%,
    rgba(11,11,11,0.40) 60%,
    transparent 100%
  );
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 200px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  padding-top: 8rem;
}
.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.8s 0.3s forwards;
}
.hero h1 {
  font-size: clamp(3.2rem,8vw,8rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: 2rem;
  opacity: 0; transform: translateY(30px);
  animation: fadeUp 1s 0.5s forwards;
}
.hero h1 em {
  font-style: italic; color: var(--gold);
  display: block;
}
.hero-sub {
  max-width: 520px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s 0.7s forwards;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 0.9s 0.9s forwards;
}
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-dim); z-index: 2;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 2rem;
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.btn-gold {
  background: var(--gold);
  color: var(--bg);
  font-weight: 600;
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.3); }
.btn-outline {
  border: 1px solid rgba(240,236,228,0.3);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn svg { width: 16px; height: 16px; }

/* ── Stats Bar ───────────────────────────────────────────── */
.stats-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem,4vw,4rem);
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  display: flex; align-items: baseline; justify-content: center; gap: 4px;
}
.stat-suffix { font-size: 0.5em; }
.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ── Section Header ─────────────────────────────────────── */
.section-header { margin-bottom: 4rem; }
.section-header .section-label { margin-bottom: 1rem; }
.section-title { margin-bottom: 1rem; }
.section-desc { color: var(--text-muted); max-width: 560px; }

/* ── Project Grid ────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}
.project-card {
  position: relative; overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg3);
  cursor: pointer;
  border-radius: 4px;
}
.project-card.large { grid-column: span 2; aspect-ratio: 16/9; }
.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), filter 0.8s ease;
  filter: saturate(1.15) contrast(1.05);
}
.project-card:hover img { 
    transform: scale(1.05); 
    filter: saturate(1.25) contrast(1.1) brightness(1.05);
}
.project-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.4) 30%, transparent 60%);
  opacity: 1; transition: opacity var(--transition);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2rem;
}
.project-card:hover .project-card-overlay { background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.6) 40%, transparent 70%); }
.project-card-cat {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.4rem;
}
.project-card-title {
  font-family: var(--font-serif);
  font-size: 1.4rem; font-weight: 400;
  color: var(--white);
}
.project-card-loc {
  font-size: 0.78rem; color: var(--text-muted);
  margin-top: 0.3rem;
  display: flex; align-items: center; gap: 5px;
}
.project-card-arrow {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(-8px);
  transition: all var(--transition);
}
.project-card:hover .project-card-arrow {
  opacity: 1; transform: translateY(0);
  background: var(--gold); border-color: var(--gold);
}

/* ── Filters ─────────────────────────────────────────────── */
.filter-bar {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem; letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--gold); color: var(--gold);
  background: rgba(201,168,76,0.08);
}

/* ── About Section ───────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6rem; align-items: center;
}
.about-image-wrap { position: relative; }
.about-image-wrap img {
  width: 100%; aspect-ratio: 3/4;
  object-fit: cover;
}
.about-image-badge {
  position: absolute; bottom: -2rem; right: -2rem;
  background: var(--gold);
  color: var(--bg);
  padding: 2rem;
  text-align: center;
  font-family: var(--font-serif);
}
.about-image-badge strong { display: block; font-size: 3rem; line-height: 1; }
.about-image-badge span { font-size: 0.75rem; letter-spacing: 0.1em; }
.about-text h2 { margin-bottom: 1.5rem; }
.about-text p { color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.8; }
.about-features { margin: 2rem 0; display: grid; gap: 1rem; }
.about-feature {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1rem; border-left: 2px solid var(--gold);
  background: var(--bg2);
}
.about-feature-icon { color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.about-feature strong { display: block; margin-bottom: 0.2rem; font-size: 0.9rem; }
.about-feature p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* ── Services ────────────────────────────────────────────── */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: var(--bg);
  padding: 3rem 2.5rem;
  transition: background var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: attr(data-num);
  position: absolute; top: 1.5rem; right: 1.5rem;
  font-family: var(--font-serif);
  font-size: 5rem; font-weight: 700;
  color: var(--border); line-height: 1;
}
.service-card:hover { background: var(--bg2); }
.service-icon {
  width: 56px; height: 56px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); margin-bottom: 1.5rem;
}
.service-card h3 {
  font-size: 1.3rem; margin-bottom: 0.8rem;
}
.service-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ── CTA Banner ──────────────────────────────────────────── */
.cta-banner {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 5rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 70%);
}
.cta-banner h2 { margin-bottom: 1rem; position: relative; }
.cta-banner p { color: var(--text-muted); margin-bottom: 2rem; position: relative; }
.cta-banner .btn { position: relative; }

/* ── Contact ─────────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 5rem; align-items: start;
}
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p { color: var(--text-muted); margin-bottom: 2.5rem; }
.contact-items { display: grid; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.contact-item strong { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.2rem; }
.contact-item span { font-size: 0.95rem; }

/* Form */
.contact-form { display: grid; gap: 1.2rem; }
.form-group { position: relative; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 1.1rem 1.2rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
  outline: none;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group label {
  position: absolute; top: 0.7rem; left: 1.2rem;
  font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
  pointer-events: none;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-success {
  text-align: center; padding: 2rem;
  color: var(--gold); display: none;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 4rem;
}
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
.footer-socials { display: flex; gap: 0.8rem; margin-top: 1.5rem; }
.footer-social {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.footer-social:hover { border-color: var(--gold); color: var(--gold); }
.footer-col h4 {
  font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 1.5rem;
}
.footer-col ul { display: grid; gap: 0.7rem; }
.footer-col ul a {
  font-size: 0.88rem; color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 0.78rem; color: var(--text-dim); }

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Loading Screen ──────────────────────────────────────── */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}
.page-loader.done { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: var(--font-serif);
  font-size: 2.5rem; color: var(--gold);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.large { grid-column: span 1; aspect-ratio: 4/3; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-image-badge { right: 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 3rem 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ── Mobile Nav ──────────────────────────────────────────── */
.mobile-nav {
  position: fixed; inset: 0; z-index: 999;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2.5rem;
  opacity: 0; visibility: hidden;
  transition: all var(--transition);
}
.mobile-nav.open { opacity: 1; visibility: visible; }
.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2.5rem; color: var(--text);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--gold); }
.mobile-nav-close {
  position: absolute; top: 2rem; right: 2rem;
  font-size: 2rem; color: var(--text-muted);
  cursor: pointer;
}

/* ── WhatsApp Float ───────────────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.wa-float:hover {
  background-color: #128c7e;
  transform: scale(1.1);
  color: #fff;
}

@media (max-width: 768px) {
  .wa-float { width: 50px; height: 50px; bottom: 15px; right: 15px; }
  .wa-float svg { width: 26px; height: 26px; }
}
