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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #070b14;
  color: #e0e6f0;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ======== NAV ======== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #8899b0;
}

.nav-links a {
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  transition: width 0.3s;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: #e0e6f0;
  border-radius: 2px;
  transition: 0.3s;
}

/* ======== HERO ======== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
    #070b14;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.15), transparent),
    radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.1), transparent),
    radial-gradient(2px 2px at 60% 20%, rgba(255,255,255,0.12), transparent),
    radial-gradient(2px 2px at 80% 60%, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 24px;
  animation: fadeUp 1s ease-out;
}

.hero-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto 28px;
  border-radius: 24px;
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.3);
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #f0f4ff, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.hero-content .tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #8899b0;
  max-width: 600px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-content .tagline strong {
  color: #e0e6f0;
  font-weight: 600;
}

.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.5);
}

/* ======== SECTIONS ======== */
section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #3b82f6;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  color: #8899b0;
  font-size: 1.05rem;
  max-width: 640px;
}

/* ======== ABOUT ======== */
#sobre {
  background: linear-gradient(180deg, #070b14 0%, #0a1122 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}

.about-text p {
  color: #94a3b8;
  margin-bottom: 20px;
  font-size: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.highlight-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 20px 24px;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.highlight-card:hover {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.highlight-card .number {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.highlight-card .label {
  font-size: 0.85rem;
  color: #8899b0;
  margin-top: 4px;
}

/* ======== SKILLS ======== */
#servicos {
  background: #0a1122;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.skill-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 32px 24px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.skill-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
}

.skill-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.skill-card p {
  font-size: 0.85rem;
  color: #8899b0;
  line-height: 1.6;
}

/* ======== CONTACT / LEAD CAPTURE ======== */
#contato {
  background: linear-gradient(180deg, #0a1122 0%, #070b14 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: #e0e6f0;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #556;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.04);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form button {
  align-self: flex-start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}

.contact-info p {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.7;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #e0e6f0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.2s;
  cursor: pointer;
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.social-btn.instagram:hover {
  border-color: rgba(236, 72, 153, 0.4);
  color: #f472b6;
}

.social-btn.twitter:hover {
  border-color: rgba(59, 130, 246, 0.4);
  color: #60a5fa;
}

.social-btn.whatsapp:hover {
  border-color: rgba(34, 197, 94, 0.4);
  color: #4ade80;
}

/* ======== FOOTER ======== */
footer {
  padding: 32px 24px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

footer p {
  font-size: 0.8rem;
  color: #445;
}

/* ======== ANIMATIONS ======== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ======== RESPONSIVE ======== */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(7, 11, 20, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-links.open {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero-logo {
    width: 72px;
    height: 72px;
  }

  .skills-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .skill-card {
    padding: 24px 18px;
  }

  .about-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .social-links {
    flex-wrap: wrap;
  }

  section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }
}