:root {
      --dark: #0F172A;
      --dark-2: #1E293B;
      --dark-3: #334155;
      --accent: #2563EB;
      --accent-light: #3B82F6;
      --accent-glow: rgba(37,99,235,0.25);
      --white: #FFFFFF;
      --light: #F8FAFC;
      --muted: #94A3B8;
      --border: rgba(255,255,255,0.07);
      --font-display: 'Syne', sans-serif;
      --font-body: 'DM Sans', sans-serif;
    }

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

    html { scroll-behavior: smooth; }

    body {
      background: var(--dark);
      color: var(--light);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.7;
      overflow-x: hidden;
    }

    h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); }

    /* ─── NOISE TEXTURE OVERLAY ─── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 9999;
      opacity: 0.4;
    }

    /* ─── SCROLLBAR ─── */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: var(--dark); }
    ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

    /* ─── SECTION UTILS ─── */
    section { padding: 100px 0; }
    .section-label {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent-light);
      background: rgba(37,99,235,0.1);
      border: 1px solid rgba(37,99,235,0.3);
      padding: 4px 14px;
      border-radius: 100px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      line-height: 1.15;
      color: var(--white);
    }
    .section-title span { color: var(--accent-light); }
    .section-sub {
      color: var(--muted);
      font-size: 1.05rem;
      max-width: 560px;
    }
    .divider-line {
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, var(--accent), transparent);
      border-radius: 2px;
      margin: 16px 0 28px;
    }

    /* ─── NAVBAR ─── */
    #navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      padding: 20px 0;
      transition: all 0.4s ease;
    }
    #navbar.scrolled {
      background: rgba(15,23,42,0.95);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      padding: 12px 0;
      box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    }
    .navbar-logo {
      font-family: var(--font-display);
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--white);
      text-decoration: none;
      letter-spacing: -0.03em;
    }
    .navbar-logo span { color: var(--accent-light); }
    .nav-link-custom {
      color: var(--muted) !important;
      font-size: 0.875rem;
      font-weight: 500;
      text-decoration: none;
      padding: 6px 14px !important;
      border-radius: 8px;
      transition: color 0.2s, background 0.2s;
    }
    .nav-link-custom:hover { color: var(--white) !important; background: var(--border); }
    .btn-nav-cta {
      background: var(--accent);
      color: var(--white) !important;
      border-radius: 8px;
      padding: 8px 18px !important;
      font-weight: 600;
      font-size: 0.875rem;
      transition: all 0.2s;
    }
    .btn-nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); }
    .navbar-toggler { border: 1px solid var(--border); padding: 6px 10px; }
    .navbar-toggler-icon { filter: invert(1); }

    /* ─── HERO ─── */
    #hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding-top: 100px;
    }
    .hero-grid-bg {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
      background-size: 50px 50px;
    }
    .hero-glow {
      position: absolute;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
      top: -100px; right: -100px;
      pointer-events: none;
    }
    .hero-glow-2 {
      position: absolute;
      width: 400px; height: 400px;
      background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
      bottom: 0; left: -100px;
      pointer-events: none;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(37,99,235,0.1);
      border: 1px solid rgba(37,99,235,0.3);
      border-radius: 100px;
      padding: 6px 16px 6px 8px;
      font-size: 0.8rem;
      color: var(--accent-light);
      margin-bottom: 28px;
    }
    .hero-badge .dot {
      width: 8px; height: 8px;
      background: #22C55E;
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
      50% { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
    }
    .hero-title {
      font-size: clamp(2.2rem, 5.5vw, 4rem);
      font-weight: 800;
      line-height: 1.1;
      color: var(--white);
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }
    .hero-title .accent-word { color: var(--accent-light); }
    .hero-subtitle {
      color: var(--muted);
      font-size: 1.1rem;
      max-width: 520px;
      margin-bottom: 40px;
      line-height: 1.75;
    }
    .btn-primary-custom {
      background: var(--accent);
      color: var(--white);
      border: none;
      border-radius: 10px;
      padding: 14px 28px;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.95rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s;
      box-shadow: 0 0 0 0 var(--accent-glow);
    }
    .btn-primary-custom:hover {
      background: var(--accent-light);
      color: var(--white);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px var(--accent-glow);
    }
    .btn-secondary-custom {
      background: transparent;
      color: var(--light);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 14px 28px;
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 0.95rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s;
    }
    .btn-secondary-custom:hover {
      background: var(--border);
      color: var(--white);
      border-color: rgba(255,255,255,0.15);
    }
    /* Hero visual */
    .hero-visual {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .hero-svg-container {
      width: 100%;
      max-width: 480px;
      position: relative;
    }
    .hero-floating-card {
      position: absolute;
      background: rgba(30,41,59,0.9);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 12px 16px;
      font-size: 0.78rem;
      color: var(--light);
      white-space: nowrap;
      animation: float 3s ease-in-out infinite;
    }
    .hero-floating-card.card-1 { top: 10%; left: -10%; animation-delay: 0s; }
    .hero-floating-card.card-2 { bottom: 20%; right: -10%; animation-delay: 1.5s; }
    .hero-floating-card .card-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 6px; }
    .hero-floating-card .green { background: #22C55E; }
    .hero-floating-card .blue { background: var(--accent-light); }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    /* ─── ABOUT ─── */
    #about { background: var(--dark); }
    .about-img-wrap {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
    }
    .about-placeholder {
      width: 100%;
      aspect-ratio: 4/5;
      background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
      border-radius: 20px;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }
    .about-placeholder::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 60% 40%, rgba(37,99,235,0.2) 0%, transparent 60%);
    }
    .about-placeholder i {
      font-size: 5rem;
      color: rgba(37,99,235,0.5);
      margin-bottom: 16px;
    }
    .about-placeholder p { color: var(--muted); font-size: 0.85rem; }
    .about-corner-badge {
      position: absolute;
      bottom: 20px;
      right: 20px;
      background: var(--accent);
      color: var(--white);
      border-radius: 12px;
      padding: 10px 16px;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.85rem;
      text-align: center;
    }
    .about-corner-badge span { display: block; font-size: 1.5rem; }
    .stat-card {
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px;
      text-align: center;
      transition: border-color 0.3s, transform 0.3s;
    }
    .stat-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-4px); }
    .stat-number {
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--accent-light);
      line-height: 1;
    }
    .stat-label { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

    /* ─── SKILLS ─── */
    #skills { background: var(--dark-2); }
    .skills-category { margin-bottom: 36px; }
    .skills-cat-title {
      font-family: var(--font-display);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--accent-light);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .skills-cat-title::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }
    .skill-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--dark);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 8px 16px;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--light);
      margin: 4px;
      transition: all 0.25s;
      cursor: default;
    }
    .skill-chip:hover {
      border-color: var(--accent);
      color: var(--white);
      background: rgba(37,99,235,0.08);
      transform: translateY(-2px);
    }
    .skill-chip i { color: var(--accent-light); font-size: 1rem; }

    /* ─── SERVICES ─── */
    #services { background: var(--dark); }
    .service-card {
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 28px 24px;
      height: 100%;
      transition: all 0.35s;
      position: relative;
      overflow: hidden;
    }
    .service-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(37,99,235,0.05) 0%, transparent 60%);
      opacity: 0;
      transition: opacity 0.35s;
    }
    .service-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
    .service-card:hover::before { opacity: 1; }
    .service-icon {
      width: 52px; height: 52px;
      background: rgba(37,99,235,0.12);
      border: 1px solid rgba(37,99,235,0.25);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 1.3rem;
      color: var(--accent-light);
      transition: all 0.35s;
    }
    .service-card:hover .service-icon {
      background: var(--accent);
      border-color: var(--accent);
      color: var(--white);
      transform: scale(1.1);
    }
    .service-card h5 {
      font-weight: 700;
      font-size: 1rem;
      color: var(--white);
      margin-bottom: 8px;
    }
    .service-card p { color: var(--muted); font-size: 0.875rem; line-height: 1.65; }

    /* ─── PROJECTS ─── */
    #projects { background: var(--dark-2); }
    .project-card {
      background: var(--dark);
      border: 1px solid var(--border);
      border-radius: 18px;
      overflow: hidden;
      height: 100%;
      transition: all 0.35s;
      display: flex;
      flex-direction: column;
    }
    .project-card:hover { border-color: rgba(37,99,235,0.5); transform: translateY(-6px); box-shadow: 0 24px 48px rgba(0,0,0,0.35); }
    .project-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .project-thumb-inner {
      width: 100%; height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 3rem;
      transition: transform 0.35s;
    }
    .project-card:hover .project-thumb-inner { transform: scale(1.08); }
    .project-badge {
      position: absolute;
      top: 14px; left: 14px;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 100px;
      background: rgba(37,99,235,0.85);
      color: var(--white);
      backdrop-filter: blur(4px);
    }
    .project-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .project-body h5 {
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--white);
      margin-bottom: 8px;
    }
    .project-body p { color: var(--muted); font-size: 0.85rem; flex: 1; margin-bottom: 16px; }
    .tech-badge {
      display: inline-block;
      background: rgba(37,99,235,0.1);
      border: 1px solid rgba(37,99,235,0.2);
      color: var(--accent-light);
      border-radius: 6px;
      padding: 2px 8px;
      font-size: 0.72rem;
      font-weight: 600;
      margin: 2px;
    }
    .btn-project {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-light);
      font-size: 0.85rem;
      font-weight: 600;
      text-decoration: none;
      margin-top: 16px;
      transition: gap 0.2s, color 0.2s;
    }
    .btn-project:hover { color: var(--white); gap: 10px; }

    /* Project thumb colors */
    .thumb-1 { background: linear-gradient(135deg, #0F172A 0%, #1a3a5c 100%); }
    .thumb-2 { background: linear-gradient(135deg, #0F172A 0%, #1c2b1a 100%); }
    .thumb-3 { background: linear-gradient(135deg, #0F172A 0%, #2a1a3a 100%); }
    .thumb-4 { background: linear-gradient(135deg, #0F172A 0%, #3a2a1a 100%); }
    .thumb-5 { background: linear-gradient(135deg, #0F172A 0%, #1a2a3a 100%); }
    .thumb-6 { background: linear-gradient(135deg, #0F172A 0%, #1a3a3a 100%); }

    /* ─── WHY ME ─── */
    #why { background: var(--dark); }
    .why-card {
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 28px;
      height: 100%;
      transition: all 0.3s;
      display: flex;
      gap: 20px;
    }
    .why-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-4px); }
    .why-icon {
      width: 48px; height: 48px;
      min-width: 48px;
      background: rgba(37,99,235,0.1);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--accent-light);
    }
    .why-card h5 { font-weight: 700; font-size: 0.95rem; color: var(--white); margin-bottom: 6px; }
    .why-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.65; margin: 0; }

    /* ─── PROCESS ─── */
    #process { background: var(--dark-2); }
    .process-steps { position: relative; }
    .process-steps::before {
      content: '';
      position: absolute;
      top: 30px; left: 30px; right: 30px;
      height: 2px;
      background: linear-gradient(90deg, var(--accent) 0%, rgba(37,99,235,0.1) 100%);
    }
    .process-step { text-align: center; position: relative; }
    .step-num {
      width: 60px; height: 60px;
      background: var(--dark-2);
      border: 2px solid var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-display);
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--accent-light);
      margin: 0 auto 18px;
      position: relative;
      z-index: 1;
      box-shadow: 0 0 0 6px var(--dark-2);
      transition: all 0.3s;
    }
    .process-step:hover .step-num {
      background: var(--accent);
      color: var(--white);
      transform: scale(1.1);
    }
    .step-title { font-weight: 700; font-size: 0.95rem; color: var(--white); margin-bottom: 8px; }
    .step-desc { color: var(--muted); font-size: 0.82rem; line-height: 1.6; }

    /* ─── CONTACT ─── */
    #contact { background: var(--dark); }
    .form-control-custom {
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--white);
      padding: 12px 16px;
      font-family: var(--font-body);
      font-size: 0.9rem;
      transition: border-color 0.25s, box-shadow 0.25s;
      width: 100%;
    }
    .form-control-custom::placeholder { color: var(--muted); }
    .form-control-custom:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
      background: var(--dark-2);
      color: var(--white);
    }
    textarea.form-control-custom { resize: vertical; min-height: 130px; }
    .form-label-custom { color: var(--muted); font-size: 0.82rem; font-weight: 500; margin-bottom: 6px; display: block; }
    .btn-submit {
      background: var(--accent);
      color: var(--white);
      border: none;
      border-radius: 10px;
      padding: 14px 32px;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.95rem;
      width: 100%;
      cursor: pointer;
      transition: all 0.3s;
    }
    .btn-submit:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
    .contact-info-block { margin-bottom: 28px; }
    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px 20px;
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 12px;
      transition: border-color 0.25s;
    }
    .contact-info-item:hover { border-color: rgba(37,99,235,0.4); }
    .contact-info-item i { color: var(--accent-light); font-size: 1.1rem; width: 20px; text-align: center; }
    .contact-info-item .info-text { font-size: 0.875rem; color: var(--light); }
    .social-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
    .social-link {
      width: 44px; height: 44px;
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      font-size: 1rem;
      text-decoration: none;
      transition: all 0.25s;
    }
    .social-link:hover { background: var(--accent); border-color: var(--accent); color: var(--white); transform: translateY(-2px); }
    .map-wrap { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); }
    .map-wrap iframe { display: block; }

    /* ─── FOOTER ─── */
    footer {
      background: var(--dark-2);
      border-top: 1px solid var(--border);
      padding: 60px 0 28px;
    }
    .footer-logo { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--white); }
    .footer-logo span { color: var(--accent-light); }
    .footer-tagline { color: var(--muted); font-size: 0.875rem; margin-top: 8px; }
    .footer-heading { font-family: var(--font-display); font-size: 0.85rem; font-weight: 700; color: var(--white); letter-spacing: 0.08em; margin-bottom: 16px; }
    .footer-links { list-style: none; padding: 0; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a { color: var(--muted); font-size: 0.875rem; text-decoration: none; transition: color 0.2s; }
    .footer-links a:hover { color: var(--accent-light); }
    .footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 48px; }
    .footer-copy { color: var(--muted); font-size: 0.82rem; }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 768px) {
      section { padding: 70px 0; }
      .process-steps::before { display: none; }
      .hero-floating-card { display: none; }
    }