:root {
      --red: #f9004d;
      --red-dim: rgba(249,0,77,0.15);
      --red-glow: rgba(249,0,77,0.35);
      --black: #0a0a0a;
      --surface: #111111;
      --surface2: #181818;
      --text: #f0eae8;
      --muted: #8a7f7d;
      --border: rgba(255,255,255,0.07);
    }

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

    html { scroll-behavior: smooth; }

    body {
      background: var(--black);
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-weight: 300;
      overflow-x: hidden;
    }

    /* ── SCROLLBAR ── */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: var(--black); }
    ::-webkit-scrollbar-thumb { background: var(--red); border-radius: 2px; }

    /* ── NAV ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 22px 6%;
      background: rgba(10,10,10,0.7);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
      transition: padding 0.3s;
    }

    .logo {
      font-family: 'Playfair Display', serif;
      font-size: 26px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.5px;
    }
    .logo span { color: var(--red); }

    .nav-links {
      display: flex;
      gap: 40px;
      list-style: none;
    }

    .nav-links a {
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--muted);
      position: relative;
      transition: color 0.3s;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px; left: 0;
      width: 0; height: 1px;
      background: var(--red);
      transition: width 0.3s;
    }

    .nav-links a:hover { color: var(--text); }
    .nav-links a:hover::after { width: 100%; }

    /* ── HERO ── */
    #home {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding: 0 6%;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('./img/background.png');
      background-size: cover;
      background-position: center right;
      opacity: 0.25;
      filter: grayscale(60%);
    }

    .hero-bg::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, var(--black) 45%, transparent 100%);
    }

    /* red glow orb */
    .hero-orb {
      position: absolute;
      width: 600px; height: 600px;
      border-radius: 50%;
      background: radial-gradient(circle, var(--red-glow) 0%, transparent 70%);
      bottom: -200px; right: -100px;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--red);
      margin-bottom: 28px;
      opacity: 0;
      animation: fadeUp 0.8s 0.2s forwards;
    }

    .hero-eyebrow::before {
      content: '';
      width: 30px; height: 1px;
      background: var(--red);
    }

    h1.hero-title {
      font-family: 'Playfair Display', serif;
      font-size: clamp(56px, 7vw, 96px);
      font-weight: 900;
      line-height: 0.95;
      letter-spacing: -2px;
      color: var(--text);
      opacity: 0;
      animation: fadeUp 0.9s 0.4s forwards;
    }

    h1.hero-title span { color: var(--red); }

    .hero-sub {
      margin-top: 28px;
      font-size: 18px;
      font-weight: 300;
      color: var(--muted);
      letter-spacing: 0.3px;
      opacity: 0;
      animation: fadeUp 0.9s 0.6s forwards;
    }

    .hero-cta-row {
      display: flex;
      gap: 16px;
      margin-top: 48px;
      opacity: 0;
      animation: fadeUp 0.9s 0.8s forwards;
    }

    .btn-primary {
      display: inline-block;
      background: var(--red);
      color: #fff;
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 16px 36px;
      border-radius: 2px;
      border: 2px solid var(--red);
      transition: background 0.3s, color 0.3s, transform 0.2s;
    }

    .btn-primary:hover {
      background: transparent;
      color: var(--red);
      transform: translateY(-2px);
    }

    .btn-ghost {
      display: inline-block;
      color: var(--text);
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 16px 36px;
      border-radius: 2px;
      border: 2px solid var(--border);
      transition: border-color 0.3s, color 0.3s, transform 0.2s;
    }

    .btn-ghost:hover {
      border-color: var(--red);
      color: var(--red);
      transform: translateY(-2px);
    }

    .scroll-hint {
      position: absolute;
      bottom: 40px;
      left: 6%;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 11px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--muted);
      opacity: 0;
      animation: fadeIn 1s 1.5s forwards;
    }

    .scroll-line {
      width: 40px; height: 1px;
      background: var(--muted);
      position: relative;
      overflow: hidden;
    }

    .scroll-line::after {
      content: '';
      position: absolute;
      top: 0; left: -100%;
      width: 100%; height: 100%;
      background: var(--red);
      animation: scrollAnim 2s 2s infinite;
    }

    /* ── SOBRE ── */
    #sobre {
      padding: 120px 6%;
      background: var(--surface);
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 80px;
      align-items: center;
    }

    .sobre-img-wrap {
      position: relative;
    }

    .sobre-img-wrap {
      position: relative;
      width: 100%;
      max-width: 360px;
      padding-bottom: 20px;
      padding-right: 20px;
    }

    .sobre-img-wrap img {
      width: 100%;
      height: 460px;
      object-fit: cover;
      object-position: top center;
      border-radius: 4px;
      display: block;
      filter: grayscale(20%);
      transition: filter 0.5s;
      position: relative;
      z-index: 1;
    }

    .sobre-img-wrap:hover img { filter: grayscale(0%); }

    /* decorative frame */
    .sobre-img-wrap::before {
      content: '';
      position: absolute;
      top: 20px; left: 20px;
      width: calc(100% - 20px);
      height: calc(100% - 20px);
      border: 2px solid var(--red);
      border-radius: 4px;
      z-index: 0;
      transition: transform 0.4s;
    }

    .sobre-img-wrap:hover::before {
      transform: translate(-4px, -4px);
    }

    .sobre-text {}

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 11px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--red);
      margin-bottom: 20px;
    }

    .section-label::before {
      content: '';
      width: 24px; height: 1px;
      background: var(--red);
    }

    .sobre-text h2 {
      font-family: 'Playfair Display', serif;
      font-size: clamp(36px, 4vw, 52px);
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -1px;
      margin-bottom: 32px;
    }

    .sobre-text p {
      font-size: 15px;
      line-height: 1.85;
      color: var(--muted);
      margin-bottom: 16px;
    }

    .sobre-text p strong {
      color: var(--text);
      font-weight: 500;
    }

    .skills-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 32px 0 40px;
    }

    .skill-tag {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 7px 16px;
      border: 1px solid var(--border);
      border-radius: 2px;
      color: var(--muted);
      transition: border-color 0.3s, color 0.3s;
    }

    .skill-tag:hover {
      border-color: var(--red);
      color: var(--text);
    }

    /* ── PROJETOS ── */
    #projetos-id {
      padding: 120px 6%;
      background: var(--black);
    }

    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 70px;
      gap: 20px;
    }

    .section-header h2 {
      font-family: 'Playfair Display', serif;
      font-size: clamp(36px, 4vw, 56px);
      font-weight: 700;
      letter-spacing: -1.5px;
      line-height: 1;
    }

    .section-header p {
      font-size: 14px;
      color: var(--muted);
      max-width: 280px;
      text-align: right;
      line-height: 1.6;
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 36px 32px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      position: relative;
      overflow: hidden;
      transition: border-color 0.4s, transform 0.4s;
      cursor: default;
    }

    .card::before {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 3px;
      background: var(--red);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s;
    }

    .card:hover {
      border-color: rgba(249,0,77,0.3);
      transform: translateY(-6px);
    }

    .card:hover::before { transform: scaleX(1); }

    .card-number {
      font-family: 'Playfair Display', serif;
      font-size: 48px;
      font-weight: 900;
      color: var(--border);
      line-height: 1;
      transition: color 0.4s;
    }

    .card:hover .card-number { color: var(--red-dim); }

    .card-icon {
      width: 60px; height: 60px;
      object-fit: contain;
      filter: grayscale(30%);
      transition: filter 0.4s, transform 0.4s;
    }

    .card:hover .card-icon {
      filter: grayscale(0%);
      transform: scale(1.05);
    }

    .card h5 {
      font-family: 'Playfair Display', serif;
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
    }

    .card p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      flex: 1;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--red);
      text-decoration: none;
      margin-top: 8px;
      transition: gap 0.3s;
    }

    .card-link:hover { gap: 14px; }

    .card-link svg {
      width: 14px; height: 14px;
      flex-shrink: 0;
    }

    /* ── FOOTER ── */
    footer {
      background: var(--surface);
      border-top: 1px solid var(--border);
      padding: 90px 6% 60px;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    footer .logo {
      font-size: 32px;
      margin-bottom: 12px;
    }

    footer .tagline {
      font-size: 13px;
      color: var(--muted);
      letter-spacing: 1px;
      margin-bottom: 48px;
    }

    .social {
      display: flex;
      gap: 16px;
      margin-bottom: 64px;
    }

    .social a {
      width: 52px; height: 52px;
      border-radius: 50%;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: border-color 0.3s, background 0.3s, transform 0.3s;
    }

    .social a:hover {
      border-color: var(--red);
      background: var(--red-dim);
      transform: translateY(-3px);
    }

    .social img {
      width: 22px; height: 22px;
      object-fit: contain;
    }

    .footer-divider {
      width: 100%;
      height: 1px;
      background: var(--border);
      margin-bottom: 28px;
    }

    .footer-copy {
      font-size: 12px;
      color: var(--muted);
      letter-spacing: 0.5px;
    }

    .footer-copy span { color: var(--red); }

    /* ── REVEAL ANIMATION ── */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s, transform 0.7s;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ── KEYFRAMES ── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    @keyframes scrollAnim {
      0%   { left: -100%; }
      50%  { left: 0%; }
      100% { left: 100%; }
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      #sobre {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 80px 5%;
      }

      .sobre-img-wrap {
        max-width: 300px;
        margin: 0 auto;
      }

      .cards-grid {
        grid-template-columns: 1fr;
      }

      .section-header {
        flex-direction: column;
        align-items: flex-start;
      }

      .section-header p { text-align: left; }

      .nav-links { display: none; }

      h1.hero-title { font-size: 52px; }
    }