/* ============================
   RESET & VARIABLES
============================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  :root {
    --bg: #080a0e;
    --surface: #0f1117;
    --surface2: #161b25;
    --border: rgba(255,255,255,0.07);
    --text: #e8eaf0;
    --muted: #5a6070;
    --accent: #7effc4;
    --accent2: #5b7fff;
    --font-display: 'Syne', sans-serif;
    --font-mono: 'DM Mono', monospace;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: var(--font-display);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
  }
  
  /* NOISE OVERLAY */
  .noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    opacity: 0.025;
    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)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 128px 128px;
  }
  
  /* GRID BACKGROUND */
  .grid-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
  }
  
  /* ============================
     TYPOGRAPHY
  ============================= */
  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.05;
  }
  
  h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 2rem;
  }
  
  h2 em {
    font-style: normal;
    color: var(--accent);
  }
  
  .mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--muted);
  }
  
  /* ============================
     NAV
  ============================= */
  nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 3rem;
    background: rgba(8,10,14,0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }
  
  .nav-logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
  }
  
  .dot {
    color: var(--accent);
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
  }
  
  .nav-links a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
  }
  
  .nav-links a:hover {
    color: var(--accent);
  }
  
  /* LANGUAGE TOGGLE */
  .lang-toggle {
    background: none;
    border: 1px solid var(--border);
    padding: 0.3rem 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: border-color 0.2s;
    margin-left: 1rem;
  }
  
  .lang-toggle:hover {
    border-color: var(--accent);
  }
  
  .lang-option {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    transition: color 0.2s;
  }
  
  .lang-option.active {
    color: var(--accent);
    font-weight: 500;
  }
  
  .lang-sep {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--border);
  }
  
  /* ============================
     SECTIONS BASE
  ============================= */
  section {
    position: relative;
    z-index: 1;
    padding: 7rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
  }
  
  .section-tag {
    display: inline-block;
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  
  /* ============================
     HERO
  ============================= */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 8rem;
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 3rem;
    padding-right: 3rem;
  }
  
  .hero-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.2s;
  }
  
  .status-dot {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }
  
  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
  }
  
  .hero-title {
    font-size: clamp(4rem, 12vw, 9rem);
    letter-spacing: -0.03em;
    display: flex;
    flex-direction: column;
    line-height: 0.95;
    margin-bottom: 1.5rem;
  }
  
  .line1 {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.4s;
  }
  
  .line2 {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.55s;
    padding-left: 3rem;
  }
  
  .accent {
    color: var(--accent);
    font-style: normal;
  }
  
  .hero-sub {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--muted);
    letter-spacing: 0.06em;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.7s;
  }
  
  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: #080a0e;
    padding: 0.9rem 2rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: transform 0.2s, box-shadow 0.2s;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.85s;
  }
  
  .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(126, 255, 196, 0.25);
  }
  
  .arrow {
    transition: transform 0.2s;
  }
  
  .cta-btn:hover .arrow {
    transform: translateX(4px);
  }
  
  .hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 3rem;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 1.1s;
  }
  
  /* ============================
     ABOUT
  ============================= */
  #about {
    border-top: 1px solid var(--border);
  }
  
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  
  .about-text p {
    color: rgba(232,234,240,0.7);
    font-size: 1.05rem;
    margin-bottom: 1rem;
    line-height: 1.75;
  }
  
  .about-text strong {
    color: var(--accent);
    font-weight: 700;
  }
  
  .about-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  
  .card-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
  }
  
  .card-item:last-child {
    border-bottom: none;
  }
  
  .label {
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  
  .value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
  }
  
  .value.green {
    color: var(--accent);
  }
  
  /* ============================
     SKILLS
  ============================= */
  #skills {
    border-top: 1px solid var(--border);
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
  }
  
  .skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: border-color 0.3s, transform 0.3s;
    animation: fadeUp 0.6s ease both;
    animation-delay: calc(var(--i) * 0.1s + 0.2s);
  }
  
  .skill-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
  }
  
  .skill-icon {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
  }
  
  .skill-card p {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
  
  .skill-bar {
    height: 3px;
    background: var(--border);
    overflow: hidden;
  }
  
  .skill-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    animation: fillBar 1s ease forwards 0.8s;
  }
  
  @keyframes fillBar {
    to { width: var(--w); }
  }
  
  /* ============================
     PROJECTS
  ============================= */
  #projects {
    border-top: 1px solid var(--border);
  }
  
  .projects-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .placeholder-card {
    background: var(--surface);
    border: 1px dashed var(--border);
    padding: 2.5rem;
    transition: border-color 0.3s;
  }
  
  .placeholder-card:hover {
    border-color: rgba(126,255,196,0.3);
  }
  
  .placeholder-card.faded {
    opacity: 0.4;
  }
  
  .placeholder-card .mono {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--accent);
  }
  
  .placeholder-card p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }
  
  .tag-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--border);
    color: var(--muted);
    text-transform: uppercase;
  }
  
  /* ============================
     CONTACT
  ============================= */
  #contact {
    border-top: 1px solid var(--border);
  }
  
  .contact-inner {
    max-width: 600px;
  }
  
  .contact-inner p {
    color: rgba(232,234,240,0.6);
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
  }
  
  .email-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    transition: border-color 0.3s, gap 0.3s;
  }
  
  .email-link:hover {
    border-color: var(--accent);
    gap: 1.5rem;
  }
  
  .email-link .mono {
    font-size: 1rem;
    color: var(--text);
  }
  
  .arrow-big {
    font-size: 1.3rem;
    color: var(--accent);
    transition: transform 0.3s;
  }
  
  .email-link:hover .arrow-big {
    transform: translate(3px, -3px);
  }
  
  /* ============================
     FOOTER
  ============================= */
  footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  footer .faded {
    color: rgba(90,96,112,0.5);
  }
  
  /* ============================
     ANIMATIONS
  ============================= */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* ============================
     RESPONSIVE
  ============================= */
  @media (max-width: 768px) {
    nav {
      padding: 1rem 1.5rem;
    }
  
    .nav-links {
      display: none;
    }
  
    section {
      padding: 5rem 1.5rem;
    }
  
    #hero {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  
    .line2 {
      padding-left: 1rem;
    }
  
    .about-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  
    .skills-grid {
      grid-template-columns: 1fr;
    }
  
    .projects-placeholder {
      grid-template-columns: 1fr;
    }
  
    footer {
      flex-direction: column;
      gap: 0.5rem;
      text-align: center;
      padding: 1.5rem;
    }
  
    .hero-scroll {
      display: none;
    }
  }

  .nav-links a.active {
    color: var(--accent);
  }
  
  .menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.35rem 0.7rem;
    cursor: pointer;
    font-size: 1.1rem;
  }
  
  .projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: transform 0.25s, border-color 0.25s;
  }
  
  .project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
  }
  
  .project-card .mono {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--accent);
  }
  
  .project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
  }
  
  .project-card p {
    color: rgba(232,234,240,0.7);
    margin-bottom: 1.5rem;
    line-height: 1.7;
  }
  
  .project-links {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.2rem;
    flex-wrap: wrap;
  }
  
  .project-btn {
    display: inline-block;
    text-decoration: none;
    color: #080a0e;
    background: var(--accent);
    padding: 0.75rem 1.1rem;
    font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  
  .project-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(126, 255, 196, 0.2);
  }
  
  .project-btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
  }
  
  .project-btn.ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
  
  @media (max-width: 768px) {
    .menu-toggle {
      display: block;
    }
  
    .nav-links {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      display: none;
      flex-direction: column;
      gap: 1rem;
      padding: 1.2rem 1.5rem;
      background: rgba(8,10,14,0.98);
      border-bottom: 1px solid var(--border);
    }
  
    .nav-links.open {
      display: flex;
    }
  
    .projects-grid {
      grid-template-columns: 1fr;
    }
  }