/* ===== CSS VARIABLES ===== */
    :root {
      --navy: #0a0e1a;
      --navy-mid: #111827;
      --navy-light: #1a2236;
      --indigo: #3730a3;
      --violet: #7c3aed;
      --violet-light: #a855f7;
      --cyan: #06b6d4;
      --cyan-light: #67e8f9;
      --amber: #f59e0b;
      --amber-light: #fcd34d;
      --white: #ffffff;
      --white-80: rgba(255,255,255,0.8);
      --white-50: rgba(255,255,255,0.5);
      --white-15: rgba(255,255,255,0.15);
      --white-08: rgba(255,255,255,0.08);
      --white-04: rgba(255,255,255,0.04);
      --card-bg: rgba(255,255,255,0.05);
      --card-border: rgba(255,255,255,0.1);
      --font-display: 'Sora', sans-serif;
      --font-body: 'Manrope', sans-serif;
      --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ===== RESET & BASE ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background-color: var(--navy);
      color: var(--white);
      font-family: var(--font-body);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }

    /* ===== SCROLLBAR ===== */
    ::-webkit-scrollbar { width: 5px; }
    ::-webkit-scrollbar-track { background: var(--navy); }
    ::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 10px; }

    /* ===== UTILITY ===== */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
    .section { padding: 100px 0; }
    .section-label {
      display: inline-flex; align-items: center; gap: 0.5rem;
      font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
      letter-spacing: 0.15em; text-transform: uppercase;
      color: var(--cyan); margin-bottom: 1.5rem;
    }
    .section-label::before {
      content: ''; display: block; width: 28px; height: 2px;
      background: var(--cyan); border-radius: 2px;
    }
    .section-title {
      font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem;
    }
    .section-desc {
      font-size: 1.05rem; color: var(--white-80); max-width: 620px;
      line-height: 1.8;
    }
    .highlight { color: var(--cyan); }
    .highlight-amber { color: var(--amber-light); }

    /* ===== NOISE OVERLAY ===== */
    body::before {
      content: '';
      position: fixed; inset: 0; z-index: 0; pointer-events: none;
      opacity: 0.03;
      background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PScwIDAgMjU2IDI1NicgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJz48ZmlsdGVyIGlkPSdub2lzZSc+PGZlVHVyYnVsZW5jZSB0eXBlPSdmcmFjdGFsTm9pc2UnIGJhc2VGcmVxdWVuY3k9JzAuOScgbnVtT2N0YXZlcz0nNCcgc3RpdGNoVGlsZXM9J3N0aXRjaCcvPjwvZmlsdGVyPjxyZWN0IHdpZHRoPScxMDAlJyBoZWlnaHQ9JzEwMCUnIGZpbHRlcj0ndXJsKCNub2lzZSknLz48L3N2Zz4=");
    }

    /* ===== GLOW ORBS ===== */
    .orb {
      position: absolute; border-radius: 50%; filter: blur(80px);
      pointer-events: none; z-index: 0;
    }

    /* ===== NAVBAR ===== */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 1.25rem 0;
      transition: var(--transition);
    }
    nav.scrolled {
      background: rgba(10, 14, 26, 0.85);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--white-08);
      padding: 0.85rem 0;
    }
    .nav-inner {
      display: flex; align-items: center; justify-content: space-between;
    }
    .nav-logo {
      font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
      letter-spacing: -0.03em;
      background: linear-gradient(135deg, var(--white) 40%, var(--cyan));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .nav-logo span { color: var(--cyan); -webkit-text-fill-color: var(--cyan); }
    .nav-links {
      display: flex; align-items: center; gap: 2.5rem;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.875rem; font-weight: 500; color: var(--white-80);
      transition: var(--transition); position: relative;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
      height: 1.5px; background: var(--cyan);
      transform: scaleX(0); transform-origin: left; transition: var(--transition);
    }
    .nav-links a:hover { color: var(--white); }
    .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta {
      background: linear-gradient(135deg, var(--violet), var(--indigo));
      color: var(--white) !important; padding: 0.6rem 1.4rem;
      border-radius: 8px; font-weight: 600 !important; font-size: 0.875rem;
      transition: var(--transition) !important; box-shadow: 0 4px 20px rgba(124,58,237,0.3);
    }
    .nav-cta::after { display: none !important; }
    .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(124,58,237,0.5) !important; }

    .nav-hamburger {
      display: none; flex-direction: column; gap: 5px; cursor: pointer;
      background: none; border: none; padding: 4px;
    }
    .nav-hamburger span {
      display: block; width: 24px; height: 2px;
      background: var(--white); border-radius: 2px; transition: var(--transition);
    }
    .nav-mobile { display: none; }

    /* ===== HERO ===== */
    #home {
      position: relative; min-height: 100vh;
      display: flex; align-items: center; overflow: hidden;
      padding-top: 100px;
    }
    .hero-orb-1 {
      width: 700px; height: 700px;
      background: radial-gradient(circle, rgba(124,58,237,0.25) 0%, transparent 70%);
      top: -200px; right: -200px;
    }
    .hero-orb-2 {
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(6,182,212,0.15) 0%, transparent 70%);
      bottom: -100px; left: -150px;
    }
    .hero-orb-3 {
      width: 300px; height: 300px;
      background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
      top: 40%; left: 40%;
    }
    .hero-content {
      position: relative; z-index: 1;
      max-width: 780px;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 0.6rem;
      background: var(--white-08); border: 1px solid var(--white-15);
      border-radius: 100px; padding: 0.4rem 1rem;
      font-size: 0.8rem; font-weight: 600; color: var(--white-80);
      margin-bottom: 2rem; backdrop-filter: blur(10px);
      animation: fadeInDown 0.7s ease both;
    }
    .hero-badge-dot {
      width: 7px; height: 7px; border-radius: 50%; background: var(--cyan);
      box-shadow: 0 0 8px var(--cyan);
      animation: pulse-dot 2s ease-in-out infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(0.8); }
    }
    .hero-title {
      font-family: var(--font-display);
      font-size: clamp(3.5rem, 8vw, 7rem);
      font-weight: 800; line-height: 1.0; letter-spacing: -0.04em;
      margin-bottom: 1.5rem;
      animation: fadeInUp 0.8s 0.1s ease both;
    }
    .hero-title .word-nova {
      background: linear-gradient(135deg, var(--white) 30%, var(--cyan-light));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .hero-title .word-lern {
      background: linear-gradient(135deg, var(--violet-light), var(--cyan));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .hero-subtitle {
      font-family: var(--font-display); font-size: clamp(1.1rem, 2.5vw, 1.5rem);
      font-weight: 500; color: var(--white-80); margin-bottom: 1.5rem;
      line-height: 1.4;
      animation: fadeInUp 0.8s 0.2s ease both;
    }
    .hero-desc {
      font-size: 1.05rem; color: var(--white-50); max-width: 560px;
      line-height: 1.8; margin-bottom: 2.5rem;
      animation: fadeInUp 0.8s 0.3s ease both;
    }
    .hero-buttons {
      display: flex; gap: 1rem; flex-wrap: wrap;
      animation: fadeInUp 0.8s 0.4s ease both;
    }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 0.5rem;
      padding: 0.9rem 2rem; border-radius: 10px;
      background: linear-gradient(135deg, var(--violet), var(--indigo));
      color: var(--white); font-weight: 700; font-size: 0.95rem;
      box-shadow: 0 6px 30px rgba(124,58,237,0.4);
      transition: var(--transition); border: none; cursor: pointer;
    }
    .btn-primary:hover {
      transform: translateY(-2px); box-shadow: 0 10px 40px rgba(124,58,237,0.6);
    }
    .btn-secondary {
      display: inline-flex; align-items: center; gap: 0.5rem;
      padding: 0.9rem 2rem; border-radius: 10px;
      background: var(--white-08); border: 1px solid var(--white-15);
      color: var(--white); font-weight: 600; font-size: 0.95rem;
      transition: var(--transition); cursor: pointer; backdrop-filter: blur(10px);
    }
    .btn-secondary:hover {
      background: var(--white-15); border-color: var(--white-50);
      transform: translateY(-2px);
    }
    .btn-arrow { display: inline-block; transition: transform 0.3s ease; }
    .btn-primary:hover .btn-arrow, .btn-secondary:hover .btn-arrow { transform: translateX(4px); }

    .hero-stats {
      display: flex; gap: 3rem; margin-top: 4rem; padding-top: 3rem;
      border-top: 1px solid var(--white-08);
      animation: fadeInUp 0.8s 0.5s ease both;
    }
    .stat-item {}
    .stat-num {
      font-family: var(--font-display); font-size: 2.2rem; font-weight: 800;
      color: var(--white); line-height: 1;
      background: linear-gradient(135deg, var(--white), var(--cyan-light));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .stat-label {
      font-size: 0.8rem; color: var(--white-50); margin-top: 0.3rem;
      text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500;
    }

    /* Hero floating shapes */
    .hero-shapes { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
    .shape {
      position: absolute; border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.06);
      animation: float-shape 8s ease-in-out infinite;
    }
    .shape-1 { width: 400px; height: 400px; top: 10%; right: 5%; animation-delay: 0s; }
    .shape-2 { width: 250px; height: 250px; top: 50%; right: 20%; animation-delay: -3s; }
    .shape-3 { width: 150px; height: 150px; top: 20%; right: 35%; animation-delay: -5s; }
    .shape-inner {
      position: absolute; inset: 20px; border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.04);
    }
    .shape-dot {
      position: absolute; width: 8px; height: 8px; border-radius: 50%;
      background: var(--cyan); box-shadow: 0 0 15px var(--cyan);
      top: 15px; left: 50%; transform: translateX(-50%);
    }
    @keyframes float-shape {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-30px) rotate(5deg); }
    }

    /* ===== ABOUT SECTION ===== */
    #about { background: var(--navy-mid); position: relative; overflow: hidden; }
    .about-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center;
    }
    .about-text {}
    .about-text .section-desc { max-width: 100%; }
    .about-keywords {
      display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem;
    }
    .keyword-chip {
      display: inline-flex; align-items: center; gap: 0.4rem;
      background: var(--white-08); border: 1px solid var(--white-08);
      border-radius: 100px; padding: 0.35rem 0.9rem;
      font-size: 0.8rem; font-weight: 600; color: var(--white-80);
      transition: var(--transition);
    }
    .keyword-chip:hover {
      background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.4);
      color: var(--cyan);
    }
    .keyword-chip-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); }
    .about-visual {
      position: relative; display: flex; justify-content: center;
    }
    .about-card-stack { position: relative; width: 380px; height: 440px; }
    .acard {
      position: absolute; border-radius: 20px; padding: 2rem;
      backdrop-filter: blur(16px); border: 1px solid var(--card-border);
      transition: var(--transition);
    }
    .acard-bg { background: var(--white-04); }
    .acard-main {
      background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(55,48,163,0.3));
      top: 40px; left: 0; width: 300px; z-index: 2;
    }
    .acard-accent {
      background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(6,182,212,0.05));
      bottom: 0; right: 0; width: 260px; z-index: 1;
    }
    .acard-float {
      background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
      top: 0; right: 30px; width: 180px; z-index: 3;
    }
    .acard-title {
      font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
      margin-bottom: 0.5rem;
    }
    .acard-body { font-size: 0.85rem; color: var(--white-50); line-height: 1.6; }
    .acard-icon { font-size: 2rem; margin-bottom: 1rem; }
    .acard-num {
      font-family: var(--font-display); font-size: 2.5rem; font-weight: 800;
      color: var(--cyan); line-height: 1;
    }

    /* ===== APPROACH SECTION ===== */
    #approach { position: relative; overflow: hidden; }
    .approach-header { text-align: center; margin-bottom: 5rem; }
    .approach-header .section-desc { margin: 0 auto; text-align: center; }
    .approach-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
    }
    .approach-card {
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 20px; padding: 2.5rem;
      transition: var(--transition); position: relative; overflow: hidden;
    }
    .approach-card::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(135deg, transparent, var(--white-04));
      opacity: 0; transition: var(--transition);
    }
    .approach-card:hover { transform: translateY(-6px); border-color: rgba(124,58,237,0.5); }
    .approach-card:hover::before { opacity: 1; }
    .approach-num {
      font-family: var(--font-display); font-size: 4rem; font-weight: 800;
      line-height: 1; margin-bottom: 1.5rem;
      background: linear-gradient(135deg, var(--white-15), var(--white-08));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .approach-card-title {
      font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
      margin-bottom: 1rem; color: var(--white);
    }
    .approach-card-desc { font-size: 0.9rem; color: var(--white-50); line-height: 1.8; }
    .approach-accent-line {
      width: 40px; height: 3px; border-radius: 2px;
      background: var(--violet); margin-top: 1.5rem;
      transition: width 0.4s ease;
    }
    .approach-card:hover .approach-accent-line { width: 80px; }

    /* ===== TOPICS SECTION ===== */
    #topics { background: var(--navy-mid); position: relative; overflow: hidden; }
    .topics-header { margin-bottom: 4rem; }
    .topics-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
    }
    .topic-card {
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 18px; padding: 2rem; cursor: default;
      transition: var(--transition); position: relative; overflow: hidden;
      display: flex; flex-direction: column;
    }
    .topic-card::after {
      content: ''; position: absolute; inset: 0; border-radius: 18px;
      background: var(--topic-color, var(--violet));
      opacity: 0; transition: opacity 0.4s ease; z-index: 0;
    }
    .topic-card:hover { transform: translateY(-6px) scale(1.01); border-color: var(--topic-color, var(--violet)); }
    .topic-card:hover::after { opacity: 0.06; }
    .topic-card > * { position: relative; z-index: 1; }
    .topic-icon {
      font-size: 2rem; margin-bottom: 1.25rem;
      width: 52px; height: 52px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      background: var(--white-08);
    }
    .topic-tag {
      display: inline-block; font-size: 0.7rem; font-weight: 700;
      text-transform: uppercase; letter-spacing: 0.12em;
      color: var(--topic-color, var(--cyan));
      border: 1px solid var(--topic-color, var(--cyan));
      border-radius: 4px; padding: 0.15rem 0.5rem;
      opacity: 0.8; margin-bottom: 0.75rem;
    }
    .topic-title {
      font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
      margin-bottom: 0.75rem; line-height: 1.3;
    }
    .topic-desc { font-size: 0.85rem; color: var(--white-50); line-height: 1.7; flex: 1; }
    .topic-benefit {
      margin-top: 1.25rem; padding-top: 1.25rem;
      border-top: 1px solid var(--white-08);
      font-size: 0.8rem; color: var(--white-50);
      display: flex; align-items: flex-start; gap: 0.5rem;
    }
    .topic-benefit-icon { color: var(--topic-color, var(--cyan)); font-size: 0.9rem; flex-shrink: 0; }

    /* ===== TEAM SECTION ===== */
    #team { position: relative; overflow: hidden; }
    .team-header { text-align: center; margin-bottom: 4rem; }
    .team-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
    }
    .team-card {
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 18px; padding: 2rem; text-align: center;
      transition: var(--transition); position: relative; overflow: hidden;
    }
    .team-card:hover {
      transform: translateY(-5px);
      border-color: rgba(124,58,237,0.5);
      box-shadow: 0 20px 60px rgba(124,58,237,0.15);
    }
    .team-avatar {
      width: 72px; height: 72px; border-radius: 50%;
      margin: 0 auto 1.25rem;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
      color: var(--white);
    }
    .team-name {
      font-family: var(--font-display); font-size: 1rem; font-weight: 700;
      margin-bottom: 0.4rem;
    }
    .team-topic {
      font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
      letter-spacing: 0.1em; color: var(--cyan); margin-bottom: 1rem;
    }
    .team-desc { font-size: 0.85rem; color: var(--white-50); line-height: 1.7; }
    .team-divider {
      width: 30px; height: 2px; background: var(--violet);
      margin: 1rem auto; border-radius: 2px;
    }

    /* ===== PROCESS SECTION ===== */
    #process { background: var(--navy-mid); position: relative; overflow: hidden; }
    .process-header { text-align: center; margin-bottom: 5rem; }
    .process-steps {
      display: grid; grid-template-columns: repeat(6, 1fr);
      gap: 0; position: relative;
    }
    .process-steps::before {
      content: '';
      position: absolute;
      top: 40px; left: 8.33%; right: 8.33%;
      height: 2px;
      background: linear-gradient(90deg, var(--violet), var(--cyan));
      z-index: 0;
    }
    .process-step {
      display: flex; flex-direction: column; align-items: center;
      text-align: center; position: relative; z-index: 1; padding: 0 0.5rem;
    }
    .step-circle {
      width: 80px; height: 80px; border-radius: 50%;
      background: var(--navy-mid); border: 2px solid var(--violet);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 800;
      color: var(--white); margin-bottom: 1.5rem;
      transition: var(--transition);
      box-shadow: 0 0 0 4px var(--navy-mid), 0 0 0 6px rgba(124,58,237,0.2);
    }
    .process-step:hover .step-circle {
      background: var(--violet);
      box-shadow: 0 0 0 4px var(--navy-mid), 0 0 0 6px rgba(124,58,237,0.5), 0 0 30px rgba(124,58,237,0.4);
    }
    .step-title {
      font-family: var(--font-display); font-size: 0.85rem; font-weight: 700;
      color: var(--white); margin-bottom: 0.5rem; line-height: 1.3;
    }
    .step-desc { font-size: 0.75rem; color: var(--white-50); line-height: 1.5; }

    /* ===== SKILLS SECTION ===== */
    #skills { position: relative; overflow: hidden; }
    .skills-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: center; }
    .skills-text {}
    .skills-grid {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
    }
    .skill-chip {
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 12px; padding: 1rem 1.25rem;
      display: flex; align-items: center; gap: 0.75rem;
      transition: var(--transition);
    }
    .skill-chip:hover {
      background: var(--white-08); border-color: rgba(6,182,212,0.4);
      transform: translateX(3px);
    }
    .skill-chip-icon {
      width: 36px; height: 36px; border-radius: 8px;
      background: var(--white-08); display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem; flex-shrink: 0;
    }
    .skill-chip-name {
      font-size: 0.875rem; font-weight: 600; color: var(--white-80);
    }

    /* ===== VISION SECTION ===== */
    #vision {
      position: relative; overflow: hidden;
      background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.05), transparent);
      border-top: 1px solid var(--white-08);
      border-bottom: 1px solid var(--white-08);
    }
    .vision-inner { text-align: center; max-width: 800px; margin: 0 auto; }
    .vision-inner .section-label { justify-content: center; }
    .vision-inner .section-label::before { display: none; }
    .vision-inner .section-label::after {
      content: ''; display: block; width: 28px; height: 2px;
      background: var(--cyan); border-radius: 2px;
    }
    .vision-big-text {
      font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem);
      font-weight: 800; line-height: 1.15; margin-bottom: 2rem;
      background: linear-gradient(135deg, var(--white) 50%, var(--violet-light));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .vision-desc {
      font-size: 1.05rem; color: var(--white-50); line-height: 1.9; margin-bottom: 3rem;
    }
    .vision-tags {
      display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem;
    }
    .vision-tag {
      background: var(--white-08); border: 1px solid var(--white-15);
      border-radius: 100px; padding: 0.5rem 1.2rem;
      font-size: 0.85rem; font-weight: 500; color: var(--white-80);
      transition: var(--transition);
    }
    .vision-tag:hover {
      background: rgba(124,58,237,0.15); border-color: var(--violet);
      color: var(--white);
    }

    /* ===== CONTACT SECTION ===== */
    #contact { background: var(--navy-mid); position: relative; overflow: hidden; }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
    .contact-info {}
    .contact-info .section-desc { margin-bottom: 2.5rem; }
    .contact-items { display: flex; flex-direction: column; gap: 1rem; }
    .contact-item {
      display: flex; align-items: center; gap: 1rem;
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 12px; padding: 1rem 1.25rem;
      transition: var(--transition);
    }
    .contact-item:hover { border-color: rgba(6,182,212,0.4); }
    .contact-item-icon {
      width: 40px; height: 40px; border-radius: 10px;
      background: linear-gradient(135deg, var(--violet), var(--indigo));
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem; flex-shrink: 0;
    }
    .contact-item-label { font-size: 0.75rem; color: var(--white-50); }
    .contact-item-value { font-size: 0.9rem; font-weight: 600; color: var(--white); }
    .contact-form {
      background: var(--card-bg); border: 1px solid var(--card-border);
      border-radius: 20px; padding: 2.5rem;
    }
    .form-title {
      font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
      margin-bottom: 1.75rem;
    }
    .form-group { margin-bottom: 1.25rem; }
    .form-label {
      display: block; font-size: 0.8rem; font-weight: 600; color: var(--white-80);
      margin-bottom: 0.5rem; letter-spacing: 0.04em;
    }
    .form-input {
      width: 100%; background: var(--white-04); border: 1px solid var(--white-08);
      border-radius: 10px; padding: 0.85rem 1rem;
      color: var(--white); font-family: var(--font-body); font-size: 0.9rem;
      transition: var(--transition); outline: none;
    }
    .form-input:focus { border-color: var(--violet); background: var(--white-08); }
    .form-input::placeholder { color: var(--white-50); }
    textarea.form-input { resize: vertical; min-height: 100px; }
    .form-submit {
      width: 100%; padding: 0.95rem;
      background: linear-gradient(135deg, var(--violet), var(--indigo));
      color: var(--white); font-family: var(--font-body); font-weight: 700;
      font-size: 0.95rem; border: none; border-radius: 10px; cursor: pointer;
      transition: var(--transition); box-shadow: 0 4px 20px rgba(124,58,237,0.3);
    }
    .form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124,58,237,0.5); }

    /* ===== FOOTER ===== */
    footer {
      background: var(--navy); border-top: 1px solid var(--white-08);
      padding: 3rem 0 2rem;
    }
    .footer-inner {
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 1.5rem;
    }
    .footer-logo {
      font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
      background: linear-gradient(135deg, var(--white), var(--cyan));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .footer-links {
      display: flex; gap: 2rem; list-style: none;
    }
    .footer-links a {
      font-size: 0.85rem; color: var(--white-50); transition: var(--transition);
    }
    .footer-links a:hover { color: var(--white); }
    .footer-copy {
      font-size: 0.8rem; color: var(--white-50); text-align: center;
      margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--white-04);
    }
    .footer-copy span { color: var(--violet-light); }

    /* ===== ANIMATIONS ===== */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeInDown {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .reveal {
      opacity: 0; transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s 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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 900px) {
      .nav-links { display: none; }
      .nav-hamburger { display: flex; }
      .nav-mobile.open {
        display: flex; flex-direction: column; gap: 1rem;
        position: fixed; inset: 0; top: 0;
        background: rgba(10,14,26,0.97);
        backdrop-filter: blur(20px);
        z-index: 99;
        padding: 6rem 2rem 2rem;
        align-items: flex-start;
      }
      .nav-mobile.open a {
        font-size: 1.5rem; font-weight: 700; color: var(--white-80);
        transition: var(--transition);
      }
      .nav-mobile.open a:hover { color: var(--cyan); }
      .nav-mobile-close {
        position: absolute; top: 1.5rem; right: 2rem;
        background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer;
      }
      .about-grid, .contact-grid, .skills-layout { grid-template-columns: 1fr; gap: 3rem; }
      .about-card-stack { display: none; }
      .approach-grid { grid-template-columns: 1fr; }
      .topics-grid { grid-template-columns: 1fr 1fr; }
      .team-grid { grid-template-columns: 1fr 1fr; }
      .process-steps { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
      .process-steps::before { display: none; }
      .hero-stats { gap: 2rem; }
      .footer-inner { flex-direction: column; text-align: center; }
      .footer-links { justify-content: center; flex-wrap: wrap; gap: 1.25rem; }
    }
    @media (max-width: 600px) {
      .section { padding: 70px 0; }
      .topics-grid, .team-grid, .skills-grid { grid-template-columns: 1fr; }
      .process-steps { grid-template-columns: repeat(2, 1fr); }
      .hero-stats { flex-direction: column; gap: 1.5rem; }
    }