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

    :root {
      --cream: #F0EDE8;
      --cream-mid: #ffffff;
      --cream-dark: #d4cfc9;
      --orange: #FF6B00;
      --orange-dim: rgba(255, 107, 0, 0.15);
      --navy: #0d1f3a;
      --navy-mid: #1a2f4a;
      --text-main: #0d1f3a;
      --text-muted: #333333;
      --text-dim: #5a5550;
      --card-bg: #ffffff;
      --border: #d4cfc9;
      --font-main: 'Sora', sans-serif;
      --font-mono: 'IBM Plex Mono', monospace;
    }

    html { scroll-behavior: smooth; }

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

    /* NAV */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; justify-content: space-between; align-items: center;
      padding: 1.2rem 6vw;
      background: rgba(240, 237, 232, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-logo {
      font-family: var(--font-mono);
      font-size: 0.95rem;
      color: var(--orange);
      letter-spacing: 0.05em;
      font-weight: 600;
    }
    .nav-links { display: flex; gap: 2rem; list-style: none; }
    .nav-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.88rem;
      letter-spacing: 0.04em;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--orange); }
    .nav-links a.active { color: var(--orange); font-weight: 600; }

    /* HERO */
    .hero {
      min-height: 100vh;
      display: flex; align-items: center;
      padding: 7rem 6vw 6rem;
      position: relative;
      overflow: hidden;
      background: var(--cream);
    }
    .hero::before {
      content: '';
      position: absolute; top: -200px; right: -200px;
      width: 700px; height: 700px;
      background: radial-gradient(circle, rgba(255,107,0,0.05) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute; bottom: -100px; left: -100px;
      width: 400px; height: 400px;
      background: radial-gradient(circle, rgba(255,107,0,0.03) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 4rem;
      align-items: center;
      max-width: 1100px;
      width: 100%;
    }
    .hero-tag {
      font-family: var(--font-mono);
      font-size: 0.82rem;
      color: var(--orange);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
      opacity: 0;
      animation: fadeUp 0.6s 0.2s forwards;
    }
    .hero h1 {
      font-size: clamp(2.6rem, 5vw, 4rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 0.5rem;
      color: var(--navy);
      opacity: 0;
      animation: fadeUp 0.6s 0.35s forwards;
    }
    .hero-role {
      font-size: clamp(1rem, 2vw, 1.2rem);
      color: var(--orange);
      font-weight: 500;
      letter-spacing: 0.04em;
      margin-bottom: 1.8rem;
      opacity: 0;
      animation: fadeUp 0.6s 0.5s forwards;
    }
    .hero-desc {
      font-size: 1rem;
      color: var(--text-dim);
      max-width: 540px;
      margin-bottom: 2.5rem;
      opacity: 0;
      animation: fadeUp 0.6s 0.65s forwards;
    }
    .btn {
      display: inline-block;
      padding: 0.85rem 2.2rem;
      background: transparent;
      border: 2px solid var(--orange);
      color: var(--orange);
      font-family: var(--font-mono);
      font-size: 0.88rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-decoration: none;
      border-radius: 3px;
      transition: background 0.2s, color 0.2s;
      opacity: 0;
      animation: fadeUp 0.6s 0.8s forwards;
    }
    .btn:hover { background: var(--orange); color: var(--cream); }

    .hero-photo-wrap {
      opacity: 0;
      animation: fadeIn 0.8s 0.5s forwards;
    }
    .hero-photo-img {
      width: 220px; height: 220px;
      border-radius: 4px;
      object-fit: cover;
      object-position: top;
      border: 2px solid var(--orange);
      display: block;
    }

    /* SECTIONS */
    section { padding: 6rem 6vw; }
    .section-label {
      font-family: var(--font-mono);
      font-size: 0.78rem;
      color: var(--orange);
      letter-spacing: 0.14em;
      text-transform: uppercase;
      margin-bottom: 0.8rem;
    }
    .section-title {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 3rem;
      color: var(--navy);
    }
    .section-title span { color: var(--orange); }
    .divider {
      width: 48px; height: 2px;
      background: var(--orange);
      margin-bottom: 3rem;
      opacity: 0.8;
    }

    /* ABOUT */
    .about { background: var(--cream-mid); }
    .about-inner { max-width: 700px; }
    .about p {
      color: var(--text-dim);
      font-size: 1.05rem;
      line-height: 1.85;
    }

    /* PROJECTS */
    #projects { background: var(--cream); }
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.5rem;
    }
    .project-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 2rem;
      transition: border-color 0.2s, transform 0.2s;
      position: relative;
      overflow: hidden;
    }
    .project-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--orange), transparent);
      opacity: 0;
      transition: opacity 0.2s;
    }
    .project-card:hover { border-color: var(--orange); transform: translateY(-3px); }
    .project-card:hover::before { opacity: 1; }
    .project-num {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--orange);
      opacity: 0.6;
      margin-bottom: 0.8rem;
    }
    .project-title {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.7rem;
      letter-spacing: -0.01em;
      color: var(--navy);
    }
    .project-desc {
      font-size: 0.9rem;
      color: var(--text-dim);
      line-height: 1.7;
      margin-bottom: 1.4rem;
    }
    .project-services {
      display: flex; flex-wrap: wrap; gap: 0.4rem;
      margin-bottom: 1.4rem;
    }
    .service-tag {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      padding: 0.25rem 0.6rem;
      background: var(--orange);
      border-radius: 2px;
      color: #ffffff;
      letter-spacing: 0.04em;
    }
    .project-footer {
      display: flex; justify-content: space-between; align-items: center;
    }
    .status-badge {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      padding: 0.2rem 0.7rem;
      border-radius: 20px;
      letter-spacing: 0.05em;
    }
    .status-progress {
      background: var(--orange-dim);
      border: 1px solid rgba(255,107,0,0.4);
      color: var(--orange);
    }
    .status-complete {
      background: var(--navy);
      color: #ffffff;
    }
    .project-link {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }
    .project-link:hover { color: var(--orange); }

    /* CERTIFICATIONS */
    .certifications { background: var(--cream-mid); }
    .certs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.4rem;
    }
    .cert-card {
      background: var(--cream);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 1.6rem;
      display: flex; flex-direction: column; gap: 0.8rem;
      transition: border-color 0.2s;
    }
    .cert-card:hover { border-color: var(--orange); }
    .cert-initials {
      width: 60px; height: 60px;
      background: var(--orange);
      border-radius: 4px;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-mono);
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.05em;
    }
    .cert-name {
      font-size: 1rem;
      font-weight: 600;
      line-height: 1.4;
      color: var(--navy);
    }
    .cert-status {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      padding: 0.2rem 0.7rem;
      border-radius: 20px;
      display: inline-block;
      width: fit-content;
    }
    .cert-complete {
      background: var(--navy);
      color: #ffffff;
    }
    .cert-next {
      background: var(--orange-dim);
      border: 1px solid rgba(255,107,0,0.4);
      color: var(--orange);
    }
    .cert-planned {
      background: var(--cream-dark);
      color: var(--text-dim);
    }

    /* EDUCATION AND TRAINING */
    #education { background: var(--cream); }
    .edu-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.4rem;
    }
    .edu-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 1.6rem;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
      transition: border-color 0.2s;
    }
    .edu-card:hover { border-color: var(--orange); }
    .edu-initials {
      width: 80px; height: 80px;
      background: var(--navy);
      border-radius: 4px;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-mono);
      font-size: 0.8rem;
      font-weight: 700;
      color: #ffffff;
      flex-shrink: 0;
      letter-spacing: 0.05em;
    }
    .edu-cert-link {
      flex-shrink: 0;
      display: block;
      width: 80px; height: 80px;
      border-radius: 4px;
      overflow: hidden;
      border: 1px solid var(--border);
      transition: border-color 0.2s;
    }
    .edu-cert-link:hover { border-color: var(--orange); }
    .edu-cert-img {
      width: 100%; height: 100%;
      object-fit: cover;
    }
    .edu-info {
      display: flex; flex-direction: column; gap: 0.3rem;
    }
    .edu-name {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--navy);
      line-height: 1.4;
    }
    .edu-org {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--orange);
      opacity: 0.9;
    }
    .edu-date {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      color: var(--text-dim);
      opacity: 0.7;
      margin-bottom: 0.3rem;
    }

    /* CONTACT */
    #contact { background: var(--cream-mid); }
    .contact-inner { max-width: 600px; }
    .contact-intro {
      color: var(--text-dim);
      font-size: 1rem;
      margin-bottom: 2.5rem;
    }
    .contact-links { display: flex; flex-direction: column; gap: 1rem; }
    .contact-item {
      display: flex; align-items: center; gap: 1rem;
      padding: 1.1rem 1.4rem;
      background: var(--cream);
      border: 1px solid var(--border);
      border-radius: 4px;
      text-decoration: none;
      color: var(--navy);
      font-size: 0.92rem;
      transition: border-color 0.2s, background 0.2s;
    }
    .contact-item:hover { border-color: var(--orange); background: rgba(255,107,0,0.04); }
    .contact-item-icon {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--orange);
      min-width: 70px;
      font-weight: 600;
    }

    /* FOOTER */
    footer {
      border-top: 1px solid var(--border);
      padding: 2rem 6vw;
      display: flex; justify-content: space-between; align-items: center;
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--text-dim);
      background: var(--cream);
      opacity: 0.8;
    }

    /* ANIMATIONS */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(18px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeIn {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    /* RESPONSIVE */
    @media (max-width: 768px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-photo-wrap { display: none; }
      nav { padding: 1rem 5vw; }
      .nav-links { gap: 1.2rem; }
      section { padding: 4rem 5vw; }
      footer { flex-direction: column; gap: 0.5rem; text-align: center; }
      .certs-grid { grid-template-columns: 1fr; }
      .edu-grid { grid-template-columns: 1fr; }
    }

    /* MOBILE MENU TOGGLE */
    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border);
      color: var(--orange);
      font-size: 1.2rem;
      padding: 0.3rem 0.7rem;
      border-radius: 3px;
      cursor: pointer;
    }
    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      #nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--cream);
        flex-direction: column;
        padding: 1.5rem 6vw;
        gap: 1.2rem;
        border-bottom: 1px solid var(--border);
      }
      #nav-links.open { display: flex; }
    }

    /* FILTER BAR */
    .filter-bar {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 2.5rem;
    }
    .filter-btn {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      padding: 0.35rem 1.1rem;
      background: transparent;
      border: none;
      border-bottom: 2px solid transparent;
      color: var(--text-muted);
      border-radius: 0;
      cursor: pointer;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      transition: all 0.2s;
    }
    .filter-btn:hover { color: var(--orange); border-bottom-color: rgba(255,107,0,0.4); }
    .filter-btn.active { color: var(--orange); border-bottom-color: var(--orange); }