:root {
    --navy: #042C53;
    --blue: #185FA5;
    --blue-mid: #378ADD;
    --blue-light: #B5D4F4;
    --charcoal: #1a1a2e;
    --gray-dark: #2C2C2A;
    --gray-mid: #5F5E5A;
    --gray-light: #D3D1C7;
    --off-white: #F5F5F2;
    --white: #ffffff;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'DM Sans', sans-serif; background: var(--charcoal); color: var(--off-white); overflow-x: hidden; }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 20px 5%;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(55, 138, 221, 0.15);
  }
  .nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
  .nav-logo svg { width: 36px; height: 36px; }
  .nav-logo-text { font-family: 'Syne', sans-serif; font-size: 17px; font-weight: 700; letter-spacing: 1.5px; color: var(--off-white); }
  .nav-logo-text span { color: var(--blue-mid); }
  .nav-links { display: flex; gap: 32px; list-style: none; }
  .nav-links a { color: var(--gray-light); text-decoration: none; font-size: 14px; letter-spacing: 0.5px; transition: color 0.2s; }
  .nav-links a:hover { color: var(--blue-light); }
  .nav-cta { background: var(--blue); color: white; padding: 10px 22px; border-radius: 6px; text-decoration: none; font-size: 14px; font-weight: 500; transition: background 0.2s, transform 0.1s; }
  .nav-cta:hover { background: var(--blue-mid); transform: translateY(-1px); }

  /* HERO */
  #hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 5% 80px; position: relative; overflow: hidden; }
  .hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(24, 95, 165, 0.18) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 20% 80%, rgba(4, 44, 83, 0.4) 0%, transparent 60%),
                linear-gradient(160deg, #0a0f1e 0%, #0d1628 50%, #0a1220 100%);
  }
  .hero-grid {
    position: absolute; inset: 0; z-index: 0;
    background-image: radial-gradient(circle, rgba(55,138,221,0.12) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  }
  .hero-content { position: relative; z-index: 1; max-width: 680px; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(55,138,221,0.12); border: 1px solid rgba(55,138,221,0.3);
    padding: 6px 16px; border-radius: 100px;
    font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
    color: var(--blue-light); margin-bottom: 28px;
  }
  .hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-mid); animation: pulse 2s ease-in-out infinite; }
  @keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
  h1 { font-family: 'Syne', sans-serif; font-size: clamp(42px, 6vw, 72px); font-weight: 800; line-height: 1.05; letter-spacing: -1px; margin-bottom: 24px; }
  h1 .highlight { color: var(--blue-mid); }
  .hero-sub { font-size: 18px; font-weight: 300; line-height: 1.7; color: var(--gray-light); max-width: 540px; margin-bottom: 40px; }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
  .btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--blue); color: white; padding: 16px 32px; border-radius: 8px; text-decoration: none; font-size: 15px; font-weight: 500; transition: all 0.2s; border: 1px solid transparent; }
  .btn-primary:hover { background: var(--blue-mid); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(55,138,221,0.3); }
  .btn-secondary { display: inline-flex; align-items: center; gap: 10px; background: transparent; color: var(--off-white); padding: 16px 32px; border-radius: 8px; text-decoration: none; font-size: 15px; font-weight: 500; border: 1px solid rgba(255,255,255,0.2); transition: all 0.2s; }
  .btn-secondary:hover { border-color: var(--blue-mid); color: var(--blue-light); transform: translateY(-2px); }
  .hero-stats { display: flex; gap: 40px; margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.08); }
  .stat-num { font-family: 'Syne', sans-serif; font-size: 32px; font-weight: 800; color: var(--blue-mid); line-height: 1; }
  .stat-label { font-size: 13px; color: var(--gray-mid); margin-top: 4px; }
  .hero-visual { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); z-index: 1; width: 420px; opacity: 0.85; }

  /* SERVICES */
  #servicos { padding: 100px 5%; background: #0a0f1e; }
  .section-label { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--blue-mid); margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
  .section-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--blue-mid); }
  h2 { font-family: 'Syne', sans-serif; font-size: clamp(32px, 4vw, 52px); font-weight: 800; line-height: 1.1; letter-spacing: -0.5px; margin-bottom: 16px; }
  .section-desc { font-size: 17px; color: var(--gray-mid); max-width: 520px; line-height: 1.7; margin-bottom: 60px; }
  .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2px; border: 1px solid rgba(55,138,221,0.1); border-radius: 12px; overflow: hidden; }
  .service-card { background: rgba(255,255,255,0.02); padding: 36px 32px; border: 1px solid rgba(55,138,221,0.08); transition: all 0.3s; position: relative; overflow: hidden; }
  .service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), var(--blue-mid)); transform: scaleX(0); transform-origin: left; transition: transform 0.3s; }
  .service-card:hover { background: rgba(55,138,221,0.06); }
  .service-card:hover::before { transform: scaleX(1); }
  .service-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(55,138,221,0.12); border: 1px solid rgba(55,138,221,0.2); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 20px; }
  .service-card h3 { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 700; margin-bottom: 10px; }
  .service-card p { font-size: 14px; color: var(--gray-mid); line-height: 1.7; }

  /* ABOUT */
  #sobre { padding: 100px 5%; background: linear-gradient(180deg, #0a0f1e 0%, #0d1628 100%); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
  .about-text p { font-size: 16px; color: var(--gray-light); line-height: 1.8; margin-bottom: 20px; }
  .skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 32px; }
  .skill-pill { background: rgba(255,255,255,0.03); border: 1px solid rgba(55,138,221,0.15); padding: 10px 16px; border-radius: 8px; font-size: 13px; color: var(--gray-light); display: flex; align-items: center; gap: 8px; }
  .skill-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-mid); flex-shrink: 0; }
  .about-card-main { background: rgba(24, 95, 165, 0.08); border: 1px solid rgba(55,138,221,0.2); border-radius: 16px; padding: 36px; }
  .about-card-main .big-num { font-family: 'Syne', sans-serif; font-size: 64px; font-weight: 800; color: var(--blue-mid); line-height: 1; margin-bottom: 8px; }
  .tech-stack { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
  .tech-tag { background: rgba(55,138,221,0.1); border: 1px solid rgba(55,138,221,0.2); color: var(--blue-light); padding: 5px 12px; border-radius: 4px; font-size: 12px; letter-spacing: 0.5px; }

  /* PLANS */
  #planos { padding: 100px 5%; background: #070b14; }
  .plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px; margin-top: 60px;
    align-items: start;
  }
  @media (max-width: 1100px) { .plans-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .plans-grid { grid-template-columns: 1fr; } }

  .plan-card { background: rgba(255,255,255,0.02); border: 1px solid rgba(55,138,221,0.12); border-radius: 16px; padding: 32px 24px; transition: all 0.3s; position: relative; overflow: hidden; }
  .plan-card.featured { background: rgba(24, 95, 165, 0.1); border-color: rgba(55,138,221,0.4); }
  .plan-card.featured::before { content: 'MAIS POPULAR'; position: absolute; top: 0; left: 0; right: 0; background: var(--blue-mid); color: white; font-size: 10px; letter-spacing: 2px; font-weight: 700; padding: 6px 0; text-align: center; border-radius: 14px 14px 0 0; }
  .plan-card.featured { padding-top: 44px; }
  .plan-card:hover { transform: translateY(-4px); border-color: rgba(55,138,221,0.4); }
  .plan-name { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 6px; }
  .plan-desc { font-size: 13px; color: var(--gray-mid); margin-bottom: 20px; line-height: 1.5; }
  .plan-price { font-family: 'Syne', sans-serif; font-size: 40px; font-weight: 800; line-height: 1; color: var(--off-white); margin-bottom: 4px; }
  .plan-price sup { font-size: 18px; vertical-align: top; margin-top: 8px; color: var(--gray-mid); }
  .plan-price span { font-size: 14px; color: var(--gray-mid); font-weight: 400; }
  .plan-range { display: inline-flex; align-items: center; gap: 6px; background: rgba(55,138,221,0.08); border: 1px solid rgba(55,138,221,0.18); color: var(--blue-light); padding: 4px 12px; border-radius: 100px; font-size: 11px; letter-spacing: 0.5px; margin: 14px 0 20px; }
  .plan-features { margin-bottom: 24px; }
  .plan-feature { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--gray-light); padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,0.04); line-height: 1.4; }
  .plan-feature::before { content: '✓'; color: var(--blue-mid); font-weight: 700; flex-shrink: 0; }
  .plan-feature.muted { color: var(--gray-mid); }
  .plan-feature.muted::before { color: var(--gray-mid); content: '—'; }
  .plan-btn { display: block; text-align: center; padding: 13px; border-radius: 8px; text-decoration: none; font-size: 14px; font-weight: 500; transition: all 0.2s; }
  .plan-btn-outline { border: 1px solid rgba(55,138,221,0.3); color: var(--blue-light); }
  .plan-btn-outline:hover { border-color: var(--blue-mid); background: rgba(55,138,221,0.1); }
  .plan-btn-filled { background: var(--blue); color: white; border: 1px solid transparent; }
  .plan-btn-filled:hover { background: var(--blue-mid); }

  .plan-custom { border-style: dashed; border-color: rgba(55,138,221,0.2); display: flex; flex-direction: column; }
  .plan-consulting { margin-top: 20px; padding: 16px; background: rgba(55,138,221,0.06); border: 1px solid rgba(55,138,221,0.18); border-radius: 10px; }
  .plan-consulting-title { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--blue-light); margin-bottom: 8px; }
  .plan-consulting p { font-size: 12px; color: var(--gray-mid); line-height: 1.6; }
  .plan-custom-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
  .plan-custom-badge { display: inline-flex; background: rgba(55,138,221,0.08); border: 1px solid rgba(55,138,221,0.2); padding: 3px 12px; border-radius: 100px; font-size: 10px; letter-spacing: 2px; color: var(--blue-light); margin-bottom: 16px; width: fit-content; }
  .plan-custom-value { font-family: 'Syne', sans-serif; font-size: 30px; font-weight: 800; color: var(--blue-mid); line-height: 1.1; margin: 16px 0 4px; }

  /* CONTACT */
  #contato { padding: 100px 5%; background: linear-gradient(180deg, #070b14 0%, #0a0f1e 100%); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
  .contact-info h2 { margin-bottom: 20px; }
  .contact-info p { font-size: 16px; color: var(--gray-mid); line-height: 1.8; margin-bottom: 36px; }
  .contact-links { display: flex; flex-direction: column; gap: 16px; }
  .contact-link { display: flex; align-items: center; gap: 14px; color: var(--gray-light); text-decoration: none; font-size: 15px; padding: 16px 20px; background: rgba(255,255,255,0.02); border: 1px solid rgba(55,138,221,0.1); border-radius: 10px; transition: all 0.2s; }
  .contact-link:hover { border-color: rgba(55,138,221,0.4); background: rgba(55,138,221,0.05); color: var(--blue-light); }
  .contact-icon { width: 40px; height: 40px; border-radius: 8px; background: rgba(55,138,221,0.1); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
  .contact-form { display: flex; flex-direction: column; gap: 16px; }
  .form-group { display: flex; flex-direction: column; gap: 6px; }
  .form-group label { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--gray-mid); }
  .form-group input, .form-group textarea, .form-group select { background: rgba(255,255,255,0.03); border: 1px solid rgba(55,138,221,0.15); border-radius: 8px; padding: 14px 16px; color: var(--off-white); font-family: 'DM Sans', sans-serif; font-size: 15px; transition: border-color 0.2s; outline: none; }
  .form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--blue-mid); background: rgba(55,138,221,0.05); }
  .form-group textarea { resize: vertical; min-height: 120px; }
  .form-group select option { background: #0a0f1e; }
  .form-submit { background: var(--blue); color: white; padding: 16px 32px; border-radius: 8px; border: none; cursor: pointer; font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 500; letter-spacing: 0.5px; transition: all 0.2s; margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 10px; }
  .form-submit:hover { background: var(--blue-mid); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(55,138,221,0.25); }

  /* FOOTER */
  footer { background: #040710; padding: 40px 5%; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(55,138,221,0.1); flex-wrap: wrap; gap: 20px; }
  .footer-logo { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 700; letter-spacing: 1.5px; color: var(--gray-light); }
  .footer-logo span { color: var(--blue-mid); }
  footer p { font-size: 13px; color: var(--gray-mid); }

  /* WHATSAPP */
  .whatsapp-float { position: fixed; bottom: 28px; right: 28px; z-index: 200; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 24px rgba(37,211,102,0.4); text-decoration: none; transition: all 0.2s; animation: float 3s ease-in-out infinite; }
  .whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

  .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .fade-in.visible { opacity: 1; transform: translateY(0); }

  @media (max-width: 768px) {
    .hero-visual { display: none; }
    #sobre, #contato { grid-template-columns: 1fr; gap: 40px; }
    .hero-stats { gap: 24px; }
    .nav-links { display: none; }
  }