:root {
    --bg: #0a0a0f;
    --surface: #111118;
    --border: #1e1e2e;
    --accent: #00ff88;
    --accent2: #0084ff;
    --text: #e8e8f0;
    --muted: #6b6b85;
    --card: #13131d;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    cursor: none;
  }

  /* CUSTOM CURSOR */
  .cursor {
    width: 10px; height: 10px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.12s ease;
    box-shadow: 0 0 6px var(--accent);
    will-change: left, top;
  }
  .cursor-ring {
    width: 34px; height: 34px;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    /* SIN transition en top/left — sigue al ratón sin lag */
    transition: transform 0.15s ease, opacity 0.15s ease;
    opacity: 0.45;
    will-change: left, top;
  }

  /* NOISE OVERLAY */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
  }

  /* NAV */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    backdrop-filter: blur(0px);
  }
  nav.scrolled {
    border-bottom-color: var(--border);
    backdrop-filter: blur(20px);
    background: rgba(10,10,15,0.8);
  }
  .logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.02em;
  }
  .logo span { color: var(--text); }
  nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
  }
  nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
    position: relative;
  }
  nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
  }
  nav a:hover { color: var(--text); }
  nav a:hover::after { width: 100%; }

  /* HERO */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 4rem;
    position: relative;
    overflow: hidden;
  }
  .grid-bg {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
  }
  .hero-label {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.2s forwards;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  .hero-label::before {
    content: '';
    width: 2rem;
    height: 1px;
    background: var(--accent);
  }
  h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(3.5rem, 8vw, 7rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.4s forwards;
  }
  h1 .line2 {
    color: transparent;
    -webkit-text-stroke: 1px var(--muted);
  }
  h1 .highlight {
    color: var(--accent);
    position: relative;
  }
  .hero-desc {
    max-width: 520px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
  }
  .hero-cta {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.8s forwards;
  }
  .btn-primary {
    padding: 0.85rem 2rem;
    background: var(--accent);
    color: #000;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: none;
    text-decoration: none;
    transition: all 0.2s ease;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  }
  .btn-primary:hover {
    background: #00cc6e;
    transform: translateY(-2px);
  }
  .btn-secondary {
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--border);
    cursor: none;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  .btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
  .hero-stats {
    position: absolute;
    right: 4rem;
    bottom: 4rem;
    display: flex;
    gap: 3rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 1s forwards;
  }
  .stat-item { text-align: right; }
  .stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    display: block;
  }
  .stat-label {
    font-size: 0.65rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  /* FLOATING TECH TAGS */
  .float-tags {
    position: absolute;
    right: 4rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    opacity: 0;
    animation: fadeIn 1s ease 1.2s forwards;
  }
  .tech-tag {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    background: var(--card);
    position: relative;
    transition: all 0.3s ease;
  }
  .tech-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateX(-8px);
  }
  .tech-tag .dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    margin-right: 0.5rem;
  }
  .dot-green { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
  .dot-blue { background: var(--accent2); box-shadow: 0 0 8px var(--accent2); }
  .dot-yellow { background: #ffd700; box-shadow: 0 0 8px #ffd700; }
  .dot-white { background: #ffffff; box-shadow: 0 0 8px #ffd700; }
  .dot-black { background: #000000; box-shadow: 0 0 8px #ffd700; }
  .dot-red { background: #ff5d5d; box-shadow: 0 0 8px #ffd700; }

  /* SECTIONS */
  section {
    padding: 8rem 4rem;
    position: relative;
    z-index: 1;
  }
  .section-label {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  .section-label::before {
    content: attr(data-num);
    color: var(--muted);
    font-size: 0.6rem;
  }
  .section-title {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 4rem;
  }
  .section-title span { color: var(--accent); }

  /* ABOUT */
  #about .about-grid {
    display: grid;
    grid-template-columns: 280px 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  .about-text p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
  }
  .about-text p strong { color: var(--text); }
  .about-visual {
    position: relative;
  }

  /* FOTO ABOUT */
  .about-photo { position: sticky; top: 7rem; }
  .about-photo-frame {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    background: var(--card);
    border: 1px solid var(--border);
    position: relative;
  }
  .about-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.5s ease;
  }
  .about-photo-frame:hover img { transform: scale(1.04); }
  .about-photo-frame::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--accent), transparent);
    z-index: 1;
  }
  /* Placeholder cuando no hay imagen */
  .about-photo-frame .photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    color: var(--muted);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .about-photo-frame .photo-placeholder span { font-size: 2.5rem; opacity: 0.3; }
  .about-photo-caption {
    margin-top: 0.8rem;
    font-size: 0.6rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .about-photo-caption strong { color: var(--accent); display: block; font-size: 0.65rem; margin-bottom: 0.2rem; }

  /* FOTO HERO */
  .hero-photo-wrap {
    position: absolute;
    right: 4rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    animation: fadeIn 1s ease 1.2s forwards;
    z-index: 2;
  }
  .hero-photo-frame {
    width: 300px;
    height: 370px;
    position: relative;
  }
  .hero-photo-frame::before {
    content: '';
    position: absolute;
    inset: -6px 6px 6px -6px;
    border: 1px solid var(--accent);
    opacity: 0.35;
    pointer-events: none;
  }
  .hero-photo-frame::after {
    content: '';
    position: absolute;
    inset: 6px -6px -6px 6px;
    border: 1px solid var(--accent2);
    opacity: 0.2;
    pointer-events: none;
  }
  .hero-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    filter: grayscale(15%);
    transition: filter 0.4s ease;
  }
  .hero-photo-frame:hover img { filter: grayscale(0%); }
  .hero-photo-frame .hero-photo-fade {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg) 0%, transparent 45%);
    pointer-events: none;
  }
  /* Placeholder hero cuando no hay imagen */
  .hero-photo-frame .photo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    color: var(--muted);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .hero-photo-frame .photo-placeholder span { font-size: 3rem; opacity: 0.25; }
  .hero-photo-badge {
    position: absolute;
    bottom: -0.8rem;
    left: -0.8rem;
    background: var(--card);
    border: 1px solid var(--border);
    padding: 0.45rem 0.75rem;
    font-size: 0.55rem;
    color: var(--accent);
    letter-spacing: 0.08em;
    z-index: 3;
  }
  .hero-photo-badge span { color: var(--muted); display: block; font-size: 0.5rem; margin-top: 0.1rem; }

  @media (max-width: 1100px) {
    .hero-photo-wrap { display: none; }
    #about .about-grid { grid-template-columns: 1fr; }
    .about-photo { position: static; width: 180px; }
  }
  .code-window {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
  }
  .code-bar {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
  }
  .code-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
  }
  .d1 { background: #ff5f57; }
  .d2 { background: #febc2e; }
  .d3 { background: #28c840; }
  .code-file { margin-left: auto; font-size: 0.65rem; color: var(--muted); }
  .code-content {
    padding: 1.5rem;
    font-size: 0.78rem;
    line-height: 1.9;
  }
  .kw { color: #c792ea; }
  .fn { color: #82aaff; }
  .str { color: #c3e88d; }
  .cm { color: var(--muted); font-style: italic; }
  .num { color: #f78c6c; }
  .cursor-blink {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
  }

  /* SKILLS */
  #skills { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .skill-card {
    padding: 2rem;
    border: 1px solid var(--border);
    background: var(--card);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: none;
  }
  .skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }
  .skill-card:hover::before { transform: scaleX(1); }
  .skill-card:hover {
    border-color: rgba(0,255,136,0.2);
    transform: translateY(-4px);
  }
  .skill-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
  }
  .skill-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
  }
  .skill-card p {
    font-size: 0.78rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
  }
  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .tag {
    padding: 0.25rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6rem;
    color: var(--muted);
    letter-spacing: 0.05em;
  }

  /* PROJECTS */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .project-card {
    border: 1px solid var(--border);
    background: var(--card);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: none;
    position: relative;
  }
  .project-card:hover {
    border-color: rgba(0,255,136,0.3);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(0,255,136,0.05);
  }
  .project-thumb {
    height: 200px;
    position: relative;
    overflow: hidden;
  }
  .project-thumb-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
  }
  .p1 .project-thumb-bg { background: linear-gradient(135deg, #0a1628, #0d2137); }
  .p2 .project-thumb-bg { background: linear-gradient(135deg, #0f1a0f, #1a3312); }
  .p3 .project-thumb-bg { background: linear-gradient(135deg, #1a0f2e, #2d1454); }
  .p4 .project-thumb-bg { background: linear-gradient(135deg, #1a110a, #2e1e0f); }
  .project-thumb-lines {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
  }
  .project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.7rem;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .badge-live { background: rgba(0,255,136,0.15); color: var(--accent); border: 1px solid rgba(0,255,136,0.3); }
  .badge-dev { background: rgba(0,132,255,0.15); color: var(--accent2); border: 1px solid rgba(0,132,255,0.3); }
  .project-body { padding: 1.5rem; }
  .project-body h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  .project-body p {
    font-size: 0.78rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.2rem;
  }
  .project-stack {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
  }
  .stack-tag {
    padding: 0.2rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6rem;
    color: var(--accent2);
    letter-spacing: 0.05em;
  }
  .project-links {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
  }
  .project-link {
    font-size: 0.7rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
  }
  .project-link:hover { color: var(--accent); }

  /* EXPERIENCE */
  #experience { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .timeline {
    position: relative;
    padding-left: 2rem;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
  }
  .timeline-item {
    position: relative;
    padding: 0 0 3rem 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
  }
  .timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
  }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -0.35rem; top: 0.4rem;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
  }
  .exp-date {
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
  }
  .exp-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
  }
  .exp-company {
    font-size: 0.8rem;
    color: var(--accent2);
    margin-bottom: 0.75rem;
  }
  .exp-desc {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.8;
    max-width: 600px;
  }

  /* CONTACT */
  #contact {
    text-align: center;
  }
  .contact-box {
    max-width: 600px;
    margin: 0 auto;
  }
  .contact-box p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 3rem;
  }
  .contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
  }
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .form-group { display: flex; flex-direction: column; gap: 0.4rem; }
  .form-group label {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .form-group input,
  .form-group textarea {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 0.85rem 1rem;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
    resize: none;
    cursor: none;
  }
  .form-group input:focus,
  .form-group textarea:focus {
    border-color: var(--accent);
  }
  .form-group textarea { min-height: 130px; }
  .form-submit {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
  }
  .contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
  }
  .contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    transition: color 0.2s;
  }
  .contact-link:hover { color: var(--accent); }

  /* FOOTER */
  footer {
    padding: 2rem 4rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
  }
  footer p {
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.05em;
  }
  footer .accent { color: var(--accent); }

  /* SCROLL PROGRESS */
  .scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    z-index: 999;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
  }

  /* MARQUEE */
  .marquee-section {
    overflow: hidden;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
  }
  .marquee-track {
    display: flex;
    gap: 3rem;
    animation: marquee 20s linear infinite;
    white-space: nowrap;
  }
  .marquee-item {
    font-family: 'Syne', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  .marquee-item span { color: var(--accent); font-size: 1rem; }

  /* ANIMATIONS */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  @keyframes blink {
    50% { opacity: 0; }
  }
  @keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }

  /* RESPONSIVE */
  @media (max-width: 900px) {
    nav { padding: 1.5rem 2rem; }
    nav ul { gap: 1.5rem; }
    #hero { padding: 0 2rem; }
    section { padding: 5rem 2rem; }
    .float-tags { display: none; }
    .hero-stats { right: 2rem; }
    #about .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    footer { padding: 2rem; flex-direction: column; gap: 1rem; text-align: center; }
  }