:root {
    --navy: #0B1120;
    --navy2: #111827;
    --blue: #1D4ED8;
    --blue-light: #3B82F6;
    --cyan: #06B6D4;
    --gold: #F59E0B;
    --cream: #F5F0E8;
    --white: #FFFFFF;
    --gray: #94A3B8;
    --gray2: #64748B;
    --card: #141E2F;
    --border: rgba(255,255,255,0.07);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Inter', sans-serif;
    background: var(--navy);
    color: var(--white);
    overflow-x: hidden;
    cursor: none;
  }

  /* CUSTOM CURSOR */
  .cursor {
    position: fixed; width: 12px; height: 12px;
    background: var(--cyan); border-radius: 50%;
    pointer-events: none; z-index: 9999;
    transform: translate(-50%,-50%);
    transition: width .2s, height .2s, opacity .2s;
    mix-blend-mode: screen;
  }
  .cursor-ring {
    position: fixed; width: 40px; height: 40px;
    border: 1.5px solid rgba(6,182,212,0.5); border-radius: 50%;
    pointer-events: none; z-index: 9998;
    transform: translate(-50%,-50%);
    transition: all .12s ease-out;
  }
  body:hover .cursor { opacity: 1; }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.4rem 5%;
    background: rgba(11,17,32,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }
  .nav-logo {
    font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.25rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--cyan), var(--blue-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }
  .nav-links { display: flex; gap: 2rem; list-style: none; }
  .nav-links a {
    font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--gray); text-decoration: none;
    transition: color .2s;
    font-family: 'Syne', sans-serif; font-weight: 600;
  }
  .nav-links a:hover { color: var(--cyan); }
  .nav-cta {
    padding: 0.55rem 1.4rem;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 50px; font-size: 0.82rem; font-weight: 500;
    color: white; text-decoration: none; letter-spacing: 0.03em;
    transition: opacity .2s, transform .2s;
  }
  .nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

  /* HERO */
  .hero {
    min-height: 100vh; display: flex; align-items: center;
    padding: 8rem 5% 5rem;
    position: relative; overflow: hidden;
  }
  .hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(29,78,216,0.18) 0%, transparent 70%),
                radial-gradient(ellipse 50% 50% at 20% 80%, rgba(6,182,212,0.1) 0%, transparent 60%);
  }
  .hero-grid {
    position: absolute; inset: 0; z-index: 0;
    background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  }
  .hero-content { position: relative; z-index: 1; max-width: 760px; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 1rem; border-radius: 50px;
    border: 1px solid rgba(6,182,212,0.4);
    background: rgba(6,182,212,0.08);
    font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--cyan); margin-bottom: 1.8rem;
    font-family: 'Syne', sans-serif; font-weight: 600;
    opacity: 0; animation: fadeUp 0.7s 0.2s forwards;
  }
  .hero-badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--cyan); animation: pulse 2s infinite;
  }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.4)} }

  .hero h1 {
    font-family: 'Syne', sans-serif; font-weight: 800;
    font-size: clamp(3rem, 7vw, 5.5rem); line-height: 1.0;
    letter-spacing: -0.03em;
    opacity: 0; animation: fadeUp 0.8s 0.35s forwards;
  }
  .hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--blue-light) 0%, var(--cyan) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }
  .hero-sub {
    margin-top: 1.6rem; font-size: 1.15rem; color: var(--gray);
    font-weight: 300; line-height: 1.7; max-width: 580px;
    opacity: 0; animation: fadeUp 0.8s 0.5s forwards;
  }
  .hero-stats {
    display: flex; gap: 3rem; margin-top: 3rem;
    opacity: 0; animation: fadeUp 0.8s 0.65s forwards;
  }
  .hero-stat-num {
    font-family: 'DM Serif Display', serif; font-size: 2.8rem;
    background: linear-gradient(135deg, var(--white), var(--gray));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1;
  }
  .hero-stat-label { font-size: 0.78rem; color: var(--gray); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 0.3rem; }
  .hero-actions {
    display: flex; gap: 1rem; margin-top: 2.8rem;
    opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
  }
  .btn-primary {
    padding: 0.85rem 2rem; border-radius: 50px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: white; font-weight: 500; font-size: 0.95rem;
    text-decoration: none; letter-spacing: 0.02em;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 0 30px rgba(29,78,216,0.4);
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(29,78,216,0.6); }
  .btn-outline {
    padding: 0.85rem 2rem; border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.2);
    color: white; font-size: 0.95rem; text-decoration: none;
    transition: border-color .2s, background .2s;
  }
  .btn-outline:hover { border-color: var(--cyan); background: rgba(6,182,212,0.08); }

  .hero-visual {
    position: absolute; right: 4%; top: 50%; transform: translateY(-50%);
    width: 380px; height: 380px; z-index: 1;
    opacity: 0; animation: fadeIn 1.2s 0.8s forwards;
  }
  .hero-ring {
    position: absolute; inset: 0; border-radius: 50%;
    border: 1px solid rgba(6,182,212,0.2);
    animation: spin 20s linear infinite;
  }
  .hero-ring::before {
    content: ''; position: absolute; top: -3px; left: 50%;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--cyan); transform: translateX(-50%);
  }
  .hero-ring-2 {
    position: absolute; inset: 30px; border-radius: 50%;
    border: 1px dashed rgba(29,78,216,0.3);
    animation: spin 15s linear infinite reverse;
  }
  .hero-center {
    position: absolute; inset: 60px; border-radius: 50%;
    background: radial-gradient(circle, rgba(29,78,216,0.25) 0%, rgba(11,17,32,0.8) 70%);
    border: 1px solid rgba(29,78,216,0.3);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 0.3rem;
  }
  .hero-icon { font-size: 3rem; }
  .hero-center-label {
    font-family: 'Syne', sans-serif; font-size: 0.7rem; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--cyan);
  }
  .orbit-tag {
    position: absolute; background: var(--card);
    border: 1px solid var(--border); border-radius: 8px;
    padding: 0.4rem 0.8rem; font-size: 0.72rem; font-weight: 500;
    white-space: nowrap; color: var(--gray);
  }
  .orbit-tag.t1 { top: 8%; left: 20%; }
  .orbit-tag.t2 { top: 9%; right: 15%; }
  .orbit-tag.t3 { top: 24%; left: 5%; }
  .orbit-tag.t4 { top: 35%; right: 0%; }
  .orbit-tag.t5 { top: 50%; left: 0%; }
  .orbit-tag.t6 { bottom: 20%; left: -5%; }
  .orbit-tag.t7 { bottom: 25%; right: -5%; }
  .orbit-tag.t8 { bottom: 5%; right: 30%; }

  @keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
  @keyframes fadeUp { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
  @keyframes fadeIn { from{opacity:0} to{opacity:1} }

  /* SECTIONS COMMON */
  section { padding: 6rem 5%; }
  .section-label {
    font-family: 'Syne', sans-serif; font-size: 0.75rem; font-weight: 600;
    letter-spacing: 0.15em; text-transform: uppercase; color: var(--cyan);
    margin-bottom: 0.8rem;
  }
  .section-title {
    font-family: 'Syne', sans-serif; font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800; line-height: 1.1; letter-spacing: -0.02em;
  }
  .section-title span {
    background: linear-gradient(135deg, var(--blue-light), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }

  /* ABOUT */
  .about { background: var(--navy2); }
  .about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; max-width: 1200px; margin: 0 auto; }
  .about-text p { color: var(--gray); line-height: 1.8; margin-top: 1.5rem; font-size: 0.97rem; }
  .about-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
  .tag {
    padding: 0.35rem 1rem; border-radius: 50px;
    border: 1px solid var(--border); font-size: 0.8rem; color: var(--gray);
    transition: border-color .2s, color .2s;
  }
  .tag:hover { border-color: var(--cyan); color: var(--cyan); }
  .about-cards { display: grid; gap: 1rem; }
  .about-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px;
    padding: 1.5rem; display: flex; gap: 1.2rem; align-items: flex-start;
    transition: border-color .2s, transform .2s;
  }
  .about-card:hover { border-color: rgba(6,182,212,0.3); transform: translateX(4px); }
  .about-card-icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
  }
  .about-card-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem; margin-bottom: 0.2rem; }
  .about-card-sub { font-size: 0.82rem; color: var(--gray); }

  /* SKILLS */
  .skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 3rem; max-width: 1200px; }
  .skill-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px;
    padding: 1.8rem; transition: border-color .3s, transform .3s;
    position: relative; overflow: hidden;
  }
  .skill-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    transform: scaleX(0); transition: transform .3s; transform-origin: left;
  }
  .skill-card:hover { border-color: rgba(6,182,212,0.25); transform: translateY(-4px); }
  .skill-card:hover::before { transform: scaleX(1); }
  .skill-icon { font-size: 2rem; margin-bottom: 1rem; }
  .skill-name { font-family: 'Syne', sans-serif; font-weight: 700; margin-bottom: 0.8rem; }
  .skill-items { display: flex; flex-wrap: wrap; gap: 0.4rem; }
  .skill-item {
    font-size: 0.74rem; padding: 0.2rem 0.7rem; border-radius: 50px;
    background: rgba(255,255,255,0.05); color: var(--gray); border: 1px solid var(--border);
  }

  /* EXPERIENCE TIMELINE */
  .experience { background: var(--navy2); }
  .timeline { position: relative; max-width: 900px; margin: 3rem auto 0; padding-left: 2rem; }
  .timeline::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
    background: linear-gradient(to bottom, var(--blue), var(--cyan), transparent);
  }
  .timeline-item { position: relative; padding-left: 2.5rem; margin-bottom: 3.5rem; }
  .timeline-dot {
    position: absolute; left: -2rem; top: 0.3rem;
    width: 14px; height: 14px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border: 2px solid var(--navy2);
    box-shadow: 0 0 0 4px rgba(29,78,216,0.2);
  }
  .timeline-header { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: baseline; margin-bottom: 0.5rem; }
  .timeline-role { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.05rem; }
  .timeline-co { color: var(--cyan); font-size: 0.9rem; }
  .timeline-period {
    margin-left: auto; font-size: 0.78rem; padding: 0.2rem 0.8rem; border-radius: 50px;
    background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.2); color: var(--cyan);
    font-family: 'Syne', sans-serif; font-weight: 600; white-space: nowrap;
  }
  .timeline-achievements { margin-top: 0.8rem; list-style: none; }
  .timeline-achievements li {
    font-size: 0.87rem; color: var(--gray); line-height: 1.7;
    padding-left: 1.2rem; position: relative; margin-bottom: 0.3rem;
  }
  .timeline-achievements li::before { content: '→'; position: absolute; left: 0; color: var(--blue-light); font-size: 0.8rem; }

  /* PROJECTS */
  .projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.5rem; margin-top: 3rem; max-width: 1200px; }
  .project-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 20px;
    padding: 2rem; position: relative; overflow: hidden;
    transition: border-color .3s, transform .3s;
  }
  .project-card:hover { border-color: rgba(6,182,212,0.3); transform: translateY(-5px); }
  .project-card-glow {
    position: absolute; top: -40px; right: -40px; width: 150px; height: 150px;
    border-radius: 50%; opacity: 0.12; transition: opacity .3s;
  }
  .project-card:hover .project-card-glow { opacity: 0.25; }
  .project-type {
    font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--cyan); font-family: 'Syne', sans-serif; font-weight: 600;
    margin-bottom: 0.8rem;
  }
  .project-title { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem; margin-bottom: 0.8rem; }
  .project-desc { font-size: 0.87rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.2rem; }
  .project-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }
  .project-tech span {
    font-size: 0.71rem; padding: 0.18rem 0.65rem; border-radius: 50px;
    background: rgba(29,78,216,0.15); border: 1px solid rgba(29,78,216,0.3);
    color: var(--blue-light);
  }
  .project-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.8rem; color: var(--cyan); text-decoration: none;
    margin-top: 1.2rem; transition: gap .2s;
  }
  .project-link:hover { gap: 0.7rem; }

  /* ACHIEVEMENTS */
  .achievements { background: var(--navy2); }
  .achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; margin-top: 3rem; max-width: 1200px; }
  .ach-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; text-align: center; transition: transform .3s, border-color .3s;
  }
  .ach-card:hover { transform: translateY(-4px); border-color: rgba(245,158,11,0.3); }
  .ach-icon { font-size: 2.2rem; margin-bottom: 1rem; }
  .ach-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem; margin-bottom: 0.4rem; }
  .ach-sub { font-size: 0.8rem; color: var(--gray); line-height: 1.5; }

  /* CONTACT */
  .contact-inner { max-width: 700px; margin: 0 auto; text-align: center; }
  .contact-inner p { color: var(--gray); font-size: 1rem; line-height: 1.8; margin-top: 1.2rem; }
  .contact-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
  .contact-link {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.9rem 1.8rem; border-radius: 12px;
    border: 1px solid var(--border); color: var(--gray); text-decoration: none;
    font-size: 0.87rem; transition: border-color .2s, color .2s, background .2s;
    background: var(--card);
  }
  .contact-link:hover { border-color: var(--cyan); color: var(--white); background: rgba(6,182,212,0.08); }
  .contact-link svg { width: 18px; height: 18px; }

  /* FOOTER */
  footer {
    text-align: center; padding: 2rem 5%;
    border-top: 1px solid var(--border);
    font-size: 0.8rem; color: var(--gray2);
  }

  /* SCROLL ANIMATIONS */
  .reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  @media(max-width: 900px) {
    .hero-visual { display: none; }
    .about-inner { grid-template-columns: 1fr; gap: 3rem; }
    .nav-links { display: none; }
    .hero-stats { gap: 1.8rem; }
  }