:root {
      --gold: #C9A84C;
      --gold-light: #E8C97A;
      --gold-dark: #9B7A2F;
      --silver: #B0B8C1;
      --silver-light: #D8DFE8;
      --dark: #0D0D0D;
      --dark-mid: #1A1A1A;
      --dark-card: #141414;
      --text-main: #E8E4DC;
      --text-muted: #8A8A8A;
      --white: #FFFFFF;
    }
    body {
      background: var(--dark);
      color: var(--text-main);
      font-family: 'Jost', sans-serif;
      font-weight: 300;
      overflow-x: hidden;
    }

    /* ─── SCROLLBAR ─── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--dark); }
    ::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

    /* ─── NAVBAR ─── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 999;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 5%;
      height: 80px;
      background: rgba(10, 10, 10, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(201,168,76,0.18);
      transition: all 0.3s ease;
    }
    nav.scrolled {
      height: 64px;
      background: rgba(10, 10, 10, 0.98);
    }

    .nav-logo img {
      height: 52px;
      object-fit: contain;
      filter: brightness(1.05);
    }

    .nav-links {
      display: flex; gap: 36px; list-style: none;
    }
    .nav-links a {
      text-decoration: none;
      color: var(--silver-light);
      font-size: 0.82rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      position: relative;
      transition: color 0.3s;
    }
    .nav-links a::after {
      content: '';
      position: absolute; bottom: -4px; left: 0; right: 0;
      height: 1px; background: var(--gold);
      transform: scaleX(0); transform-origin: left;
      transition: transform 0.3s ease;
    }
    .nav-links a:hover { color: var(--gold-light); }
    .nav-links a:hover::after { transform: scaleX(1); }

    .nav-cta {
      background: linear-gradient(135deg, var(--gold-dark), var(--gold));
      color: var(--dark) !important;
      padding: 10px 24px;
      border-radius: 2px;
      font-weight: 600 !important;
      letter-spacing: 0.1em !important;
    }
    .nav-cta::after { display: none !important; }
    .nav-cta:hover { opacity: 0.88; color: var(--dark) !important; }

    /* hamburger */
    .hamburger {
      display: none; flex-direction: column; gap: 5px;
      cursor: pointer; padding: 4px;
    }
    .hamburger span {
      display: block; width: 26px; height: 2px;
      background: var(--gold); border-radius: 2px;
      transition: all 0.3s;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .mobile-menu {
      display: none; position: fixed;
      top: 80px; left: 0; right: 0; bottom: 0;
      background: rgba(10,10,10,0.97);
      backdrop-filter: blur(20px);
      z-index: 998;
      flex-direction: column;
      align-items: center; justify-content: center;
      gap: 32px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a {
      text-decoration: none; color: var(--text-main);
      font-size: 1.4rem; font-weight: 400;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      transition: color 0.3s;
    }
    .mobile-menu a:hover { color: var(--gold); }

    /* ─── HERO ─── */
    #hero {
      position: relative;
      height: 100vh; min-height: 600px;
      display: flex; align-items: center;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute; inset: 0;
      background:
        linear-gradient(to right, rgba(10,10,10,0.92) 45%, rgba(10,10,10,0.3) 100%),
        url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=1800&q=80') center/cover no-repeat;
    }

    /* animated gold lines */
    .hero-lines {
      position: absolute; right: 0; top: 0; bottom: 0; width: 55%;
      pointer-events: none;
    }
    .hero-lines::before {
      content: '';
      position: absolute; top: 15%; left: 10%; right: 8%;
      height: 1px; background: linear-gradient(to right, transparent, var(--gold), transparent);
      animation: lineSlide 3s ease-in-out infinite alternate;
    }
    .hero-lines::after {
      content: '';
      position: absolute; bottom: 20%; left: 5%; right: 15%;
      height: 1px; background: linear-gradient(to right, transparent, var(--silver), transparent);
      animation: lineSlide 4s ease-in-out infinite alternate-reverse;
    }
    @keyframes lineSlide {
      from { opacity: 0.3; transform: scaleX(0.7); }
      to   { opacity: 0.9; transform: scaleX(1); }
    }

    .hero-content {
      position: relative; z-index: 2;
      padding: 0 8%; max-width: 700px;
      animation: heroIn 1s ease forwards;
    }
    @keyframes heroIn {
      from { opacity: 0; transform: translateY(30px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .hero-eyebrow {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 20px;
    }
    .hero-eyebrow span {
      display: inline-block; width: 40px; height: 1px; background: var(--gold);
    }
    .hero-eyebrow p {
      font-size: 0.75rem; letter-spacing: 0.25em; text-transform: uppercase;
      color: var(--gold-light); font-weight: 500;
    }

    .hero-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2.8rem, 6vw, 5rem);
      font-weight: 600;
      line-height: 1.1;
      color: var(--white);
      margin-bottom: 20px;
    }
    .hero-title em {
      font-style: normal;
      background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 1rem; color: var(--silver); line-height: 1.7;
      margin-bottom: 40px; max-width: 480px;
    }

    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

    .btn-primary {
      display: inline-flex; align-items: center; gap: 10px;
      background: linear-gradient(135deg, var(--gold-dark), var(--gold));
      color: var(--dark);
      padding: 15px 34px;
      font-size: 0.82rem; font-weight: 600; letter-spacing: 0.12em;
      text-transform: uppercase; text-decoration: none;
      border-radius: 2px;
      transition: transform 0.25s, box-shadow 0.25s;
      box-shadow: 0 4px 24px rgba(201,168,76,0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(201,168,76,0.45);
    }

    .btn-outline {
      display: inline-flex; align-items: center; gap: 10px;
      border: 1px solid rgba(201,168,76,0.5);
      color: var(--gold-light);
      padding: 15px 34px;
      font-size: 0.82rem; font-weight: 500; letter-spacing: 0.12em;
      text-transform: uppercase; text-decoration: none;
      border-radius: 2px;
      transition: all 0.25s;
    }
    .btn-outline:hover {
      background: rgba(201,168,76,0.08);
      border-color: var(--gold);
    }

    /* stats bar */
    .hero-stats {
      position: absolute; bottom: 0; left: 0; right: 0;
      display: flex;
      background: rgba(13,13,13,0.9);
      border-top: 1px solid rgba(201,168,76,0.2);
    }
    .hero-stat {
      flex: 1; padding: 24px 20px;
      text-align: center;
      border-right: 1px solid rgba(201,168,76,0.12);
    }
    .hero-stat:last-child { border-right: none; }
    .hero-stat-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.2rem; font-weight: 700;
      color: var(--gold);
      display: block;
    }
    .hero-stat-label {
      font-size: 0.72rem; letter-spacing: 0.15em;
      text-transform: uppercase; color: var(--text-muted);
      display: block; margin-top: 4px;
    }

    /* ─── SECTION COMMON ─── */
    section { padding: 100px 8%; }

    .section-eyebrow {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 16px;
    }
    .section-eyebrow span {
      width: 32px; height: 1px; background: var(--gold);
    }
    .section-eyebrow p {
      font-size: 0.72rem; letter-spacing: 0.25em; text-transform: uppercase;
      color: var(--gold);
    }

    .section-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 600; color: var(--white);
      line-height: 1.15;
      margin-bottom: 16px;
    }
    .section-title em {
      font-style: normal;
      background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .section-sub {
      font-size: 0.95rem; color: var(--text-muted); line-height: 1.7;
      max-width: 560px;
    }

    /* ─── HIZMETLER ─── */
    #hizmetler { background: var(--dark-mid); }

    .services-header { text-align: center; margin-bottom: 60px; }
    .services-header .section-sub { margin: 0 auto; }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2px;
    }

    .service-card {
      position: relative; overflow: hidden;
      background: var(--dark-card);
      padding: 44px 36px;
      border: 1px solid rgba(201,168,76,0.08);
      transition: border-color 0.35s, transform 0.35s;
      cursor: default;
    }
    .service-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(to right, transparent, var(--gold), transparent);
      transform: scaleX(0); transform-origin: center;
      transition: transform 0.4s ease;
    }
    .service-card:hover { border-color: rgba(201,168,76,0.2); }
    .service-card:hover::before { transform: scaleX(1); }
    .service-card:hover { transform: translateY(-4px); }

    .service-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 3.5rem; font-weight: 700;
      color: rgba(201,168,76,0.13);
      line-height: 1;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
      transition: color 0.4s;
    }
    .service-card:hover .service-num { color: rgba(201,168,76,0.3); }

    .service-card h3 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.45rem; font-weight: 600;
      color: var(--white); margin-bottom: 14px;
    }
    .service-card p {
      font-size: 0.9rem; color: var(--text-muted); line-height: 1.75;
    }
    .service-more {
      display: inline-flex; align-items: center; gap: 8px;
      margin-top: 24px; font-size: 0.78rem;
      letter-spacing: 0.15em; text-transform: uppercase;
      color: var(--gold); text-decoration: none;
      transition: gap 0.25s;
    }
    .service-more:hover { gap: 14px; }

    /* ─── PROJELER ─── */
    #projeler { background: var(--dark); }

    .projects-header {
      display: flex; justify-content: space-between; align-items: flex-end;
      margin-bottom: 60px; flex-wrap: wrap; gap: 24px;
    }

    .projects-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      grid-template-rows: 280px 280px;
      gap: 3px;
    }

    .project-card {
      position: relative; overflow: hidden;
      cursor: pointer;
    }
    .project-card:first-child { grid-row: 1 / 3; }

    .project-img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.7s ease, filter 0.5s ease;
      filter: brightness(0.75) saturate(0.8);
    }
    .project-card:hover .project-img {
      transform: scale(1.06);
      filter: brightness(0.55) saturate(1);
    }

    .project-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, transparent 55%);
      display: flex; flex-direction: column; justify-content: flex-end;
      padding: 28px;
      transition: background 0.4s;
    }
    .project-card:hover .project-overlay {
      background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.2) 100%);
    }

    .project-tag {
      display: inline-block; margin-bottom: 10px;
      font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
      color: var(--gold); background: rgba(201,168,76,0.12);
      padding: 4px 12px; border-radius: 2px;
    }
    .project-overlay h3 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.5rem; font-weight: 600; color: var(--white);
    }
    .project-overlay p {
      font-size: 0.82rem; color: var(--silver); margin-top: 6px;
    }

    .project-arrow {
      position: absolute; top: 20px; right: 20px;
      width: 40px; height: 40px;
      background: rgba(201,168,76,0.0);
      border: 1px solid rgba(201,168,76,0);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: var(--gold); font-size: 1rem;
      transition: all 0.3s;
      opacity: 0;
    }
    .project-card:hover .project-arrow {
      opacity: 1;
      background: rgba(201,168,76,0.12);
      border-color: rgba(201,168,76,0.5);
    }

    /* ─── NEDEN BİZ ─── */
    #neden {
      background: linear-gradient(135deg, #0a0a0a 0%, #111108 50%, #0a0a0a 100%);
      position: relative; overflow: hidden;
    }
    #neden::before {
      content: '';
      position: absolute; top: -200px; right: -200px;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(201,168,76,0.05) 0%, transparent 70%);
      pointer-events: none;
    }

    .why-layout {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: center;
    }

    .why-visual {
      position: relative;
    }
    .why-img-wrap {
      position: relative; border-radius: 4px; overflow: hidden;
    }
    .why-img-wrap img {
      width: 100%; height: 520px; object-fit: cover;
      filter: brightness(0.85) saturate(0.8);
      display: block;
    }
    .why-badge {
      position: absolute; bottom: -24px; right: -24px;
      background: linear-gradient(135deg, var(--gold-dark), var(--gold));
      padding: 32px 28px;
      text-align: center;
      border-radius: 4px;
      box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    }
    .why-badge-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 3rem; font-weight: 700; color: var(--dark);
      line-height: 1;
    }
    .why-badge-text {
      font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase;
      color: var(--dark); font-weight: 600; margin-top: 4px;
    }

    .why-content { padding-left: 20px; }

    .why-features { margin-top: 44px; display: flex; flex-direction: column; gap: 28px; }

    .why-feature {
      display: flex; gap: 20px; align-items: flex-start;
    }
    .why-feature-line {
      flex-shrink: 0;
      width: 2px; height: 56px;
      background: linear-gradient(to bottom, var(--gold), transparent);
      border-radius: 2px;
      transition: height 0.3s;
    }
    .why-feature:hover .why-feature-line { height: 68px; }
    .why-feature-text h4 {
      font-size: 1rem; font-weight: 600; color: var(--white); margin-bottom: 6px;
    }
    .why-feature-text p {
      font-size: 0.88rem; color: var(--text-muted); line-height: 1.65;
    }

    /* ─── REFERANSLAR / MARQUEE ─── */
    #referanslar {
      background: var(--dark-card);
      padding: 60px 0;
      border-top: 1px solid rgba(201,168,76,0.1);
      border-bottom: 1px solid rgba(201,168,76,0.1);
      overflow: hidden;
    }
    .ref-label {
      text-align: center; margin-bottom: 40px;
      font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase;
      color: var(--text-muted);
    }
    .marquee-wrapper { overflow: hidden; }
    .marquee-track {
      display: flex; gap: 64px; align-items: center;
      animation: marquee 28s linear infinite;
      width: max-content;
    }
    @keyframes marquee {
      from { transform: translateX(0); }
      to   { transform: translateX(-50%); }
    }
    .ref-item {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.4rem; font-weight: 600;
      color: rgba(201,168,76,0.35);
      white-space: nowrap;
      letter-spacing: 0.08em;
      transition: color 0.3s;
    }
    .ref-item:hover { color: var(--gold); }
    .ref-dot {
      width: 4px; height: 4px; border-radius: 50%;
      background: rgba(201,168,76,0.25); flex-shrink: 0;
    }

    /* ─── CTA BANNER (replaces contact section) ─── */
    #cta-banner {
      background: var(--dark-card);
      border-top: 1px solid rgba(201,168,76,0.12);
      border-bottom: 1px solid rgba(201,168,76,0.12);
      padding: 80px 8%;
      text-align: center;
      position: relative; overflow: hidden;
    }
    #cta-banner::before {
      content: '';
      position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
      width: 600px; height: 300px;
      background: radial-gradient(ellipse, rgba(201,168,76,0.06) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-banner-inner { position: relative; z-index: 1; }
    .cta-banner-inner h2 {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 600; color: var(--white);
      margin-bottom: 16px;
    }
    .cta-banner-inner h2 em {
      font-style: normal;
      background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .cta-banner-inner p {
      color: var(--text-muted); font-size: 0.95rem; margin-bottom: 36px;
    }
    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

    /* ─── FOOTER ─── */
    footer {
      background: #080808;
      border-top: 1px solid rgba(201,168,76,0.12);
      padding: 64px 8% 40px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 56px;
    }

    .footer-brand img { height: 50px; margin-bottom: 20px; }
    .footer-brand p {
      font-size: 0.88rem; color: var(--text-muted); line-height: 1.75;
      max-width: 280px;
    }
    .footer-social { display: flex; gap: 12px; margin-top: 28px; }
    .footer-social a {
      width: 36px; height: 36px;
      border: 1px solid rgba(201,168,76,0.2);
      border-radius: 2px;
      display: flex; align-items: center; justify-content: center;
      color: var(--text-muted); text-decoration: none;
      font-size: 0.9rem;
      transition: all 0.3s;
    }
    .footer-social a:hover {
      border-color: var(--gold); color: var(--gold);
      background: rgba(201,168,76,0.08);
    }

    .footer-col h4 {
      font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
      color: var(--gold); margin-bottom: 24px;
    }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-col ul li a {
      text-decoration: none; color: var(--text-muted); font-size: 0.88rem;
      transition: color 0.3s;
    }
    .footer-col ul li a:hover { color: var(--gold-light); }

    .footer-bottom {
      display: flex; justify-content: space-between; align-items: center;
      padding-top: 32px;
      border-top: 1px solid rgba(255,255,255,0.06);
      flex-wrap: wrap; gap: 16px;
    }
    .footer-bottom p { font-size: 0.78rem; color: var(--text-muted); }
    .footer-bottom span { color: var(--gold); }

    /* ─── SCROLL TO TOP ─── */
    #scrollTop {
      position: fixed; bottom: 32px; right: 32px;
      width: 44px; height: 44px;
      background: linear-gradient(135deg, var(--gold-dark), var(--gold));
      border-radius: 2px;
      display: flex; align-items: center; justify-content: center;
      color: var(--dark); font-size: 1.1rem;
      cursor: pointer; text-decoration: none;
      opacity: 0; pointer-events: none;
      transition: opacity 0.3s, transform 0.3s;
      z-index: 888;
    }
    #scrollTop.visible { opacity: 1; pointer-events: all; }
    #scrollTop:hover { transform: translateY(-4px); }

    /* ─── DIVIDER ─── */
    .gold-divider {
      width: 60px; height: 2px;
      background: linear-gradient(to right, var(--gold-dark), var(--gold));
      margin: 20px 0;
    }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 1024px) {
      .projects-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
      }
      .project-card:first-child { grid-row: auto; }
      .why-layout { grid-template-columns: 1fr; gap: 60px; }
      .why-visual { display: none; }
      .why-content { padding-left: 0; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    }

    @media (max-width: 768px) {
      nav { padding: 0 5%; }
      .nav-links, .nav-cta { display: none; }
      .hamburger { display: flex; }

      section { padding: 72px 5%; }

      .hero-content { padding: 0 5%; max-width: 100%; }
      .hero-title { font-size: clamp(2.2rem, 9vw, 3.5rem); }

      .hero-stats { position: relative; flex-wrap: wrap; }
      .hero-stat { flex: 1 1 50%; border-right: none; border-bottom: 1px solid rgba(201,168,76,0.12); }
      .hero-stat:nth-child(odd) { border-right: 1px solid rgba(201,168,76,0.12); }

      .projects-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
      }
      .project-card { height: 240px; }

      .footer-grid { grid-template-columns: 1fr; }

      .projects-header { flex-direction: column; align-items: flex-start; }
      .hero-stats { position: static; }
      #hero { height: auto; padding-top: 120px; padding-bottom: 0; flex-direction: column; }
    }

    @media (max-width: 480px) {
      .hero-actions { flex-direction: column; }
      .btn-primary, .btn-outline { text-align: center; justify-content: center; }
    }

    /* fade-in on scroll */
    .fade-up {
      opacity: 0; transform: translateY(32px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }
    .fade-up.visible { opacity: 1; transform: translateY(0); }