: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;
    }

    ::-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-links a.active { color: var(--gold); }
    .nav-links a.active::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 { 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); }

    /* ─── PAGE HERO ─── */
    .page-hero {
      position: relative;
      padding: 160px 8% 100px;
      overflow: hidden;
    }
    .page-hero-bg {
      position: absolute; inset: 0;
      background:
        linear-gradient(to bottom, rgba(10,10,10,0.55) 0%, var(--dark) 100%),
        url('https://images.unsplash.com/photo-1590725121839-892b458a74fe?w=1800&q=80') center/cover no-repeat;
    }
    /* subtle gold rule line */
    .page-hero::after {
      content: '';
      position: absolute; bottom: 0; left: 8%; right: 8%;
      height: 1px;
      background: linear-gradient(to right, transparent, rgba(201,168,76,0.35), transparent);
    }

    .page-hero-content { position: relative; z-index: 2; max-width: 680px; }

    .breadcrumb {
      display: flex; align-items: center; gap: 10px;
      margin-bottom: 28px;
    }
    .breadcrumb a {
      text-decoration: none; color: var(--text-muted);
      font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
      transition: color 0.25s;
    }
    .breadcrumb a:hover { color: var(--gold); }
    .breadcrumb-sep {
      width: 16px; height: 1px; background: rgba(201,168,76,0.4);
    }
    .breadcrumb span {
      font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
      color: var(--gold);
    }

    .page-hero-eyebrow {
      display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
    }
    .page-hero-eyebrow i { display: inline-block; width: 40px; height: 1px; background: var(--gold); }
    .page-hero-eyebrow p {
      font-size: 0.75rem; letter-spacing: 0.25em; text-transform: uppercase;
      color: var(--gold-light); font-weight: 500;
    }

    .page-hero h1 {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(2.8rem, 6vw, 5rem);
      font-weight: 600; line-height: 1.08;
      color: var(--white); margin-bottom: 20px;
    }
    .page-hero h1 em {
      font-style: normal;
      background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .page-hero p {
      font-size: 1rem; color: var(--silver); line-height: 1.75; max-width: 480px;
    }

    /* ─── FILTER BAR ─── */
    .filter-bar {
      padding: 0 8%;
      margin-top: 56px; margin-bottom: 64px;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 24px;
    }
    .filter-tabs { display: flex; gap: 0; flex-wrap: wrap; }
    .filter-tab {
      background: none; border: none; cursor: pointer;
      font-family: 'Jost', sans-serif;
      font-size: 0.78rem; font-weight: 500;
      letter-spacing: 0.16em; text-transform: uppercase;
      color: var(--text-muted);
      padding: 10px 22px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      position: relative; transition: color 0.25s;
    }
    .filter-tab::after {
      content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
      height: 1px; background: var(--gold);
      transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
    }
    .filter-tab:hover { color: var(--silver-light); }
    .filter-tab.active { color: var(--gold); }
    .filter-tab.active::after { transform: scaleX(1); }

    .filter-count {
      font-size: 0.78rem; letter-spacing: 0.12em; color: var(--text-muted);
    }
    .filter-count span { color: var(--gold); font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 600; }

    /* ─── PROJECT GRID ─── */
    .projects-section { padding: 0 8% 120px; }

    .projects-masonry {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 3px;
      /* rows defined per card below */
    }

    /* Card base */
    .pcard {
      position: relative; overflow: hidden;
      cursor: pointer;
      background: var(--dark-card);
    }
    .pcard img {
      width: 100%; height: 100%;
      object-fit: cover; display: block;
      transition: transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94), filter 0.5s ease;
      filter: brightness(0.72) saturate(0.75);
    }
    .pcard:hover img {
      transform: scale(1.06);
      filter: brightness(0.5) saturate(1);
    }

    .pcard-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(8,8,8,0.92) 0%, rgba(8,8,8,0.1) 60%, transparent 100%);
      display: flex; flex-direction: column; justify-content: flex-end;
      padding: 32px 28px;
      transition: padding 0.4s ease;
    }
    .pcard:hover .pcard-overlay { padding-bottom: 36px; }

    .pcard-meta {
      display: flex; align-items: center; gap: 12px;
      margin-bottom: 10px;
      transform: translateY(4px); opacity: 0.85;
      transition: transform 0.35s ease, opacity 0.35s ease;
    }
    .pcard:hover .pcard-meta { transform: translateY(0); opacity: 1; }

    .pcard-tag {
      font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
      color: var(--gold); background: rgba(201,168,76,0.1);
      border: 1px solid rgba(201,168,76,0.25);
      padding: 3px 10px; border-radius: 1px;
    }
    .pcard-year {
      font-size: 0.72rem; letter-spacing: 0.12em; color: var(--text-muted);
    }

    .pcard h3 {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.55rem; font-weight: 600; color: var(--white);
      line-height: 1.15; margin-bottom: 6px;
    }
    .pcard-loc {
      font-size: 0.8rem; color: var(--silver); letter-spacing: 0.04em;
    }

    .pcard-arrow {
      position: absolute; top: 24px; right: 24px;
      width: 38px; height: 38px;
      border: 1px solid rgba(201,168,76,0.3);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: var(--gold); font-size: 0.9rem;
      opacity: 0; transform: translate(6px,-6px);
      transition: opacity 0.35s ease, transform 0.35s ease;
    }
    .pcard:hover .pcard-arrow { opacity: 1; transform: translate(0,0); }

    /* status pill */
    .pcard-status {
      position: absolute; top: 24px; left: 24px;
      font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
      font-weight: 600; padding: 4px 12px; border-radius: 1px;
    }
    .pcard-status.devam { background: rgba(201,168,76,0.15); color: var(--gold-light); border: 1px solid rgba(201,168,76,0.35); }
    .pcard-status.tamamlandi { background: rgba(255,255,255,0.05); color: var(--silver); border: 1px solid rgba(255,255,255,0.1); }

    /* ─── GRID LAYOUT: varied sizing ─── */
    /* Row 1 */
    .pcard-1  { grid-column: 1 / 8;  grid-row: 1; height: 520px; }
    .pcard-2  { grid-column: 8 / 13; grid-row: 1; height: 520px; }

    /* Row 2 */
    .pcard-3  { grid-column: 1 / 5;  grid-row: 2; height: 380px; }
    .pcard-4  { grid-column: 5 / 9;  grid-row: 2; height: 380px; }
    .pcard-5  { grid-column: 9 / 13; grid-row: 2; height: 380px; }

    /* Row 3 – featured wide */
    .pcard-6  { grid-column: 1 / 6;  grid-row: 3; height: 460px; }
    .pcard-7  { grid-column: 6 / 10; grid-row: 3; height: 460px; }
    .pcard-8  { grid-column: 10/ 13; grid-row: 3; height: 460px; }

    /* Row 4 */
    .pcard-9  { grid-column: 1 / 4;  grid-row: 4; height: 360px; }
    .pcard-10 { grid-column: 4 / 9;  grid-row: 4; height: 360px; }
    .pcard-11 { grid-column: 9 / 13; grid-row: 4; height: 360px; }

    /* Row 5 – two large */
    .pcard-12 { grid-column: 1 / 7;  grid-row: 5; height: 500px; }
    .pcard-13 { grid-column: 7 / 13; grid-row: 5; height: 500px; }

    /* ─── FEATURED LABEL on card-1 ─── */
    .pcard-featured-label {
      position: absolute; top: 24px; right: 72px;
      font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase;
      color: var(--gold-dark);
      font-weight: 600;
    }

    /* ─── PROJECT COUNT BAR ─── */
    .count-bar {
      padding: 40px 8%;
      display: flex; align-items: center; gap: 32px;
      border-top: 1px solid rgba(201,168,76,0.1);
      border-bottom: 1px solid rgba(201,168,76,0.1);
      margin-bottom: 4px;
    }
    .count-item { text-align: center; }
    .count-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.2rem; font-weight: 700; color: var(--gold);
      display: block; line-height: 1;
    }
    .count-label {
      font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
      color: var(--text-muted); display: block; margin-top: 6px;
    }
    .count-divider { width: 1px; height: 48px; background: rgba(201,168,76,0.15); }

    /* ─── 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: 0.75rem;
      font-weight: 600; letter-spacing: 0.03em;
      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 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: 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); }

    /* ─── ANIMATIONS ─── */
    .fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .fade-up.visible { opacity: 1; transform: translateY(0); }

    /* ─── LIGHTBOX ─── */
    .lightbox {
      position: fixed; inset: 0; z-index: 1200;
      background: rgba(5,5,5,0.97);
      display: flex; align-items: center; justify-content: center;
      opacity: 0; pointer-events: none;
      transition: opacity 0.35s ease;
    }
    .lightbox.open { opacity: 1; pointer-events: all; }

    .lb-inner {
      position: relative;
      max-width: 1100px; width: 92%;
      display: grid; grid-template-columns: 1fr 400px;
      gap: 0;
      background: var(--dark-card);
      border: 1px solid rgba(201,168,76,0.15);
      max-height: 90vh; overflow: hidden;
    }

    .lb-img-wrap { position: relative; overflow: hidden; }
    .lb-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 480px; }

    .lb-info {
      padding: 48px 40px;
      display: flex; flex-direction: column; justify-content: space-between;
      overflow-y: auto;
    }

    .lb-tag {
      display: inline-block; margin-bottom: 20px;
      font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
      color: var(--gold); border-bottom: 1px solid rgba(201,168,76,0.3);
      padding-bottom: 6px;
    }
    .lb-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.2rem; font-weight: 600; color: var(--white);
      line-height: 1.12; margin-bottom: 16px;
    }
    .lb-loc {
      font-size: 0.82rem; color: var(--text-muted); margin-bottom: 28px;
    }
    .lb-divider { width: 40px; height: 1px; background: var(--gold); margin-bottom: 28px; }
    .lb-desc { font-size: 0.9rem; color: var(--silver); line-height: 1.8; margin-bottom: 32px; }

    .lb-specs { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
    .lb-spec {
      display: flex; justify-content: space-between;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      padding-bottom: 10px;
    }
    .lb-spec-key { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
    .lb-spec-val { font-size: 0.88rem; color: var(--text-main); font-weight: 500; }

    .lb-close {
      position: absolute; top: 20px; right: 20px;
      width: 36px; height: 36px;
      border: 1px solid rgba(201,168,76,0.25);
      background: none; cursor: pointer; color: var(--text-muted);
      font-size: 1rem; border-radius: 2px;
      display: flex; align-items: center; justify-content: center;
      transition: all 0.25s;
    }
    .lb-close:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.08); }

    .btn-primary {
      display: inline-flex; align-items: center; gap: 10px;
      background: linear-gradient(135deg, var(--gold-dark), var(--gold));
      color: var(--dark); padding: 14px 28px;
      font-size: 0.8rem; 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 20px rgba(201,168,76,0.25);
      border: none; cursor: pointer; font-family: 'Jost', sans-serif;
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201,168,76,0.4); }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 1100px) {
      .pcard-1  { grid-column: 1 / 8; }
      .pcard-2  { grid-column: 8 / 13; }

      .pcard-3, .pcard-4, .pcard-5 { grid-column: span 4; }
      .pcard-3  { grid-column: 1 / 5; }
      .pcard-4  { grid-column: 5 / 9; }
      .pcard-5  { grid-column: 9 / 13; }

      .lb-inner { grid-template-columns: 1fr; max-height: 88vh; }
      .lb-img-wrap img { min-height: 280px; max-height: 320px; }
      .lb-info { padding: 32px 28px; }
    }

    @media (max-width: 900px) {
      .projects-masonry {
        grid-template-columns: 1fr 1fr;
        gap: 3px;
      }
      .pcard-1, .pcard-2, .pcard-3, .pcard-4,
      .pcard-5, .pcard-6, .pcard-7, .pcard-8,
      .pcard-9, .pcard-10, .pcard-11, .pcard-12, .pcard-13 {
        grid-column: span 1 !important;
        grid-row: auto !important;
        height: 300px;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-cta { display: none; }
      .hamburger { display: flex; }
      .page-hero { padding: 140px 5% 80px; }
      .filter-bar { padding: 0 5%; }
      .projects-section { padding: 0 5% 80px; }
      .count-bar { padding: 32px 5%; gap: 20px; flex-wrap: wrap; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    }

    @media (max-width: 580px) {
      .projects-masonry { grid-template-columns: 1fr; }
      .pcard-1, .pcard-2, .pcard-3, .pcard-4,
      .pcard-5, .pcard-6, .pcard-7, .pcard-8,
      .pcard-9, .pcard-10, .pcard-11, .pcard-12, .pcard-13 {
        height: 260px;
      }
      .filter-tabs { gap: 0; overflow-x: auto; }
      .filter-tab { padding: 10px 14px; white-space: nowrap; }
      .footer-grid { grid-template-columns: 1fr; }
    }