:root {
      --blue-deep:    #9a3412;
      --blue-mid:     #ea580c;
      --blue-bright:  #f97316;
      --blue-light:   #ffedd5;
      --blue-pale:    #fff7ed;
      --white:        #ffffff;
      --gray-50:      #f8fafc;
      --gray-100:     #f1f5f9;
      --gray-300:     #cbd5e1;
      --gray-500:     #64748b;
      --gray-700:     #334155;
      --gray-900:     #0f172a;
      --shadow-sm:    0 1px 3px rgba(154,52,18,.08), 0 1px 2px rgba(154,52,18,.05);
      --shadow-md:    0 4px 16px rgba(154,52,18,.10), 0 2px 6px rgba(154,52,18,.06);
      --shadow-lg:    0 12px 36px rgba(154,52,18,.14), 0 4px 12px rgba(154,52,18,.08);
      --shadow-card:  0 2px 12px rgba(234,88,12,.08);
      --radius-sm:    8px;
      --radius-md:    14px;
      --radius-lg:    22px;
      --transition:   0.28s cubic-bezier(.4,0,.2,1);
      --font-body:    'DM Sans', sans-serif;
      --font-display: 'Playfair Display', serif;
      --nav-h:        70px;
    }

    /* =====================================================
       RESET & BASE
    ===================================================== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: var(--nav-h); }

    body {
      font-family: var(--font-body);
      color: var(--gray-700);
      background: var(--white);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    img { display: block; max-width: 100%; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* Section scaffolding */
    section { width: 100%; }

    .container {
      max-width: 1360px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-label {
      display: inline-block;
      font-size: .78rem;
      font-weight: 600;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--blue-mid);
      background: var(--blue-light);
      padding: 5px 14px;
      border-radius: 100px;
      margin-bottom: 14px;
    }

    .section-title {
      font-family: var(--font-display);
      font-size: clamp(1.9rem, 3.5vw, 2.8rem);
      font-weight: 700;
      color: var(--blue-deep);
      line-height: 1.22;
    }

    /* =====================================================
       STICKY NAVBAR
    ===================================================== */
    #navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      height: var(--nav-h);
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(10,36,99,.07);
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition);
    }

    .nav-inner {
      max-width: 1160px;
      margin: 0 auto;
      padding: 0 24px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    /* Logo */
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 11px;
      flex-shrink: 0;
    }

    .nav-logo-mark {
      width: 38px; height: 38px;
      background: linear-gradient(135deg, var(--blue-mid) 0%, var(--blue-bright) 100%);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1rem; font-weight: 700; color: #fff;
      letter-spacing: -.02em;
      box-shadow: 0 3px 10px rgba(234,88,12,.30);
    }

    .nav-logo-text {
      font-family: var(--font-body);
      font-size: .98rem;
      font-weight: 700;
      color: var(--blue-deep);
      line-height: 1.2;
    }

    .nav-logo-text span {
      display: block;
      font-size: .72rem;
      font-weight: 400;
      color: var(--gray-500);
    }

    /* Menu */
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-menu a {
      font-size: .9rem;
      font-weight: 500;
      color: var(--gray-700);
      padding: 7px 16px;
      border-radius: var(--radius-sm);
      transition: color var(--transition), background var(--transition);
    }

    .nav-menu a:hover {
      color: var(--blue-mid);
      background: var(--blue-light);
    }

    .nav-menu a.nav-cta {
      background: var(--blue-mid);
      color: var(--white);
      padding: 7px 20px;
    }

    .nav-menu a.nav-cta:hover {
      background: var(--blue-deep);
      color: var(--white);
    }

    /* Hamburger */
    .nav-toggle { display: none; cursor: pointer; border: none; background: none; padding: 6px; }
    .nav-toggle span {
      display: block; width: 22px; height: 2px;
      background: var(--blue-deep); border-radius: 2px;
      transition: transform var(--transition), opacity var(--transition);
    }
    .nav-toggle span + span { margin-top: 5px; }

    /* =====================================================
       HERO SECTION
    ===================================================== */
    #home {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding-top: var(--nav-h);
      background: var(--white);
      position: relative;
      overflow: hidden;
    }

    /* Decorative background blobs */
    #home::before {
      content: '';
      position: absolute;
      top: -120px; right: -180px;
      width: 620px; height: 620px;
      background: radial-gradient(circle, rgba(249,115,22,.13) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    #home::after {
      content: '';
      position: absolute;
      bottom: -140px; left: -200px;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(234,88,12,.09) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    /* Dot grid pattern */
    .hero-dots {
      position: absolute;
      inset: 0;
      background-image:
        radial-gradient(circle, rgba(234,88,12,.12) 1px, transparent 1px);
      background-size: 30px 30px;
      pointer-events: none;
      mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 100%);
      -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 100%);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 760px;
      margin: 0 auto;
      padding: 60px 24px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: .8rem;
      font-weight: 600;
      color: var(--blue-mid);
      background: var(--blue-light);
      border: 1px solid rgba(234,88,12,.18);
      padding: 5px 14px;
      border-radius: 100px;
      margin-bottom: 26px;
      letter-spacing: .06em;
      text-transform: uppercase;
    }

    .hero-badge::before {
      content: '';
      width: 7px; height: 7px;
      background: var(--blue-bright);
      border-radius: 50%;
      animation: pulse-dot 1.8s ease-in-out infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .5; transform: scale(.7); }
    }

    .hero-title {
      font-family: var(--font-display);
      font-size: clamp(2.4rem, 6vw, 4.2rem);
      font-weight: 900;
      color: var(--blue-deep);
      line-height: 1.12;
      margin-bottom: 22px;
    }

    .hero-title em {
      font-style: normal;
      background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-sub {
      font-size: 1.08rem;
      color: var(--gray-500);
      max-width: 540px;
      margin: 0 auto 36px;
      font-weight: 400;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-body);
      font-size: .95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      padding: 12px 26px;
      cursor: pointer;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
      border: 2px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--blue-mid) 0%, var(--blue-bright) 100%);
      color: var(--white);
      box-shadow: 0 4px 18px rgba(234,88,12,.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(234,88,12,.40);
    }

    .btn-outline {
      background: transparent;
      color: var(--blue-mid);
      border-color: var(--blue-mid);
    }

    .btn-outline:hover {
      background: var(--blue-light);
      transform: translateY(-2px);
    }

    /* Arrow icon */
    .btn svg { width: 17px; height: 17px; }

    /* Hero metrics strip */
    .hero-metrics {
      display: flex;
      justify-content: center;
      gap: 40px;
      margin-top: 52px;
      flex-wrap: wrap;
    }

    .metric {
      text-align: center;
    }

    .metric-num {
      font-family: var(--font-display);
      font-size: 2rem;
      font-weight: 700;
      color: var(--blue-deep);
      line-height: 1;
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: .78rem;
      font-weight: 500;
      color: var(--gray-500);
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    .metric-divider {
      width: 1px;
      height: 42px;
      background: var(--gray-300);
      align-self: center;
    }

    /* =====================================================
       ABOUT SECTION
    ===================================================== */
    #about {
      padding: 100px 0;
      background: var(--gray-50);
      position: relative;
    }

    #about::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 70px;
      align-items: center;
    }

    .about-text .section-title { margin-bottom: 18px; }

    .about-intro {
      font-size: 1.02rem;
      color: var(--gray-500);
      margin-bottom: 38px;
      line-height: 1.75;
    }

    .about-steps {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .step-card {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      background: var(--white);
      border: 1px solid rgba(10,36,99,.07);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: var(--shadow-card);
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .step-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .step-icon {
      width: 44px; height: 44px;
      flex-shrink: 0;
      background: var(--blue-light);
      border-radius: var(--radius-sm);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.2rem;
    }

    .step-body { flex: 1; }

    .step-title {
      font-size: .95rem;
      font-weight: 700;
      color: var(--blue-deep);
      margin-bottom: 4px;
    }

    .step-desc {
      font-size: .85rem;
      color: var(--gray-500);
      line-height: 1.55;
    }

    /* Illustration placeholder */
    .about-visual {
      position: relative;
    }
    .about-visual img{
        border-radius: 20px;
    }

    .about-illustration {
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, var(--blue-light) 0%, #ffedd5 60%, #fff7ed 100%);
      aspect-ratio: 4/5;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      position: relative;
      border: 1px solid rgba(234,88,12,.12);
    }

    /* SVG decorative illustration inside placeholder */
    .about-illustration svg {
      width: 70%;
      max-width: 280px;
    }

    .about-badge {
      position: absolute;
      bottom: 24px; left: -20px;
      background: var(--white);
      border: 1px solid rgba(10,36,99,.09);
      border-radius: var(--radius-md);
      padding: 12px 18px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: .82rem;
      font-weight: 600;
      color: var(--blue-deep);
      white-space: nowrap;
    }

    .about-badge-dot {
      width: 10px; height: 10px;
      background: #22c55e;
      border-radius: 50%;
      flex-shrink: 0;
    }

    /* =====================================================
       PROJECTS SECTION
    ===================================================== */
    #projects {
      padding: 100px 0;
      background: var(--white);
    }

    .projects-header {
      text-align: center;
      margin-bottom: 56px;
    }

    .projects-header .section-title { margin-bottom: 12px; }

    .projects-sub {
      font-size: 1rem;
      color: var(--gray-500);
      max-width: 520px;
      margin: 0 auto;
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
      gap: 50px;
    }

    .project-card {
      background: var(--white);
      border: 1px solid rgba(10,36,99,.09);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .project-card:hover {
      transform: translateY(-7px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(234,88,12,.20);
    }

    .card-thumb {
      height: 160px;
      position: relative;
      overflow: hidden;
    }

    /* Each card gets a unique gradient */
    .card-thumb-1 { background: linear-gradient(135deg, #9a3412 0%, #ea580c 100%); }
    .card-thumb-2 { background: linear-gradient(135deg, #7c3aed 0%, #c026d3 100%); }
    .card-thumb-3 { background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%); }
    .card-thumb-4 { background: linear-gradient(135deg, #0d9488 0%, #06b6d4 100%); }

    .card-thumb-icon {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 3.2rem;
      opacity: .25;
    }

    .card-tag {
      position: absolute;
      top: 14px; left: 14px;
      background: rgba(255,255,255,.18);
      border: 1px solid rgba(255,255,255,.3);
      backdrop-filter: blur(6px);
      color: #fff;
      font-size: .72rem;
      font-weight: 600;
      letter-spacing: .08em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 100px;
    }

    .card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .card-title {
      font-family: var(--font-display);
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--blue-deep);
      margin-bottom: 8px;
      line-height: 1.25;
    }

    .card-desc {
      font-size: .875rem;
      color: var(--gray-500);
      line-height: 1.6;
      flex: 1;
      margin-bottom: 22px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: .875rem;
      font-weight: 600;
      color: var(--blue-mid);
      padding: 9px 18px;
      border: 2px solid var(--blue-light);
      border-radius: var(--radius-sm);
      align-self: flex-start;
      transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
    }

    .card-link:hover {
      background: var(--blue-mid);
      color: var(--white);
      border-color: var(--blue-mid);
      transform: translateX(3px);
    }

    .card-link svg { width: 14px; height: 14px; transition: transform var(--transition); }
    .card-link:hover svg { transform: translateX(3px); }

    /* =====================================================
       FOOTER
    ===================================================== */
    footer {
      background: var(--blue-deep);
      color: rgba(255,255,255,.72);
      padding: 48px 0 30px;
    }

    .footer-inner {
      max-width: 1160px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 30px;
      flex-wrap: wrap;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255,255,255,.10);
      margin-bottom: 24px;
    }

    .footer-brand .nav-logo-text {
      color: var(--white);
      font-size: 1.1rem;
    }

    .footer-brand .nav-logo-text span {
      color: rgba(255,255,255,.5);
    }

    .footer-brand p {
      margin-top: 14px;
      font-size: .85rem;
      max-width: 260px;
      line-height: 1.65;
    }

    .footer-address h4 {
      color: var(--white);
      font-size: .85rem;
      font-weight: 700;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .footer-address p {
      font-size: .875rem;
      line-height: 1.7;
    }

    .footer-address a {
      display: block;
      color: rgba(255,255,255,.72);
      transition: color var(--transition);
      margin-bottom: 8px;
    }

    .footer-address a:hover { color: var(--white); }

    .quick-link-item {
      margin-bottom: 8px;
    }

    .quick-link-item a {
      color: rgba(255,255,255,.72);
      transition: color var(--transition);
    }

    .quick-link-item a:hover {
      color: var(--white);
    }

    .location-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 8px;
    }

    .location-icon {
      flex-shrink: 0;
      margin-right: 8px;
    }

    .location-text {
      font-size: .875rem;
      line-height: 1.5;
    }

    .location-text a {
      color: rgba(255,255,255,.72);
      transition: color var(--transition);
    }

    .location-text a:hover {
      color: var(--white);
    }

    .social-icons {
      display: flex;
      gap: 0.75rem;
      margin-top: 0.5rem;
    }

    .social-icons a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      color: rgba(255, 255, 255, 0.72);
      transition: all 0.3s ease;
    }

    .social-icons a:hover {
      background: var(--primary);
      color: var(--white);
      transform: translateY(-2px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      font-size: .82rem;
    }

    .footer-copy { color: rgba(255,255,255,.45); }

    .footer-links {
      display: flex;
      gap: 20px;
    }

    .footer-links a {
      color: rgba(255,255,255,.45);
      transition: color var(--transition);
    }

    .footer-links a:hover { color: rgba(255,255,255,.85); }

    /* =====================================================
       SCROLL TO TOP
    ===================================================== */
    #scroll-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 990;
      width: 46px; height: 46px;
      background: linear-gradient(135deg, var(--blue-mid), var(--blue-bright));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 18px rgba(234,88,12,.40);
      opacity: 0;
      transform: translateY(16px);
      pointer-events: none;
      transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
      border: none;
    }

    #scroll-top.visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    #scroll-top:hover {
      box-shadow: 0 8px 26px rgba(234,88,12,.50);
    }

    #scroll-top svg { width: 18px; height: 18px; color: #fff; }

    /* =====================================================
       RESPONSIVE — TABLET
    ===================================================== */
    @media (max-width: 900px) {
      .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
      }

      .about-visual {
        max-width: 420px;
        margin: 0 auto;
      }

      .about-badge { left: 0; }
    }

    /* =====================================================
       RESPONSIVE — MOBILE
    ===================================================== */
    @media (max-width: 640px) {
      :root { --nav-h: 62px; }

      .nav-menu {
        display: none;
        position: fixed;
        top: var(--nav-h); left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 20px;
        border-bottom: 1px solid var(--gray-100);
        box-shadow: var(--shadow-md);
        gap: 4px;
      }

      .nav-menu.open { display: flex; }

      .nav-toggle { display: flex; flex-direction: column; }

      .nav-menu a { padding: 11px 14px; text-align: left; }

      .metric-divider { display: none; }
      .hero-metrics { gap: 22px; }

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

      .footer-top { flex-direction: column; gap: 26px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

      #scroll-top { bottom: 20px; right: 16px; }
    }