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

:root {
  --blue:      #0071e3;
  --blue-dark: #0058b0;
  --text:      #1d1d1f;
  --text-soft: #6e6e73;
  --bg:        #ffffff;
  --bg-alt:    #f5f5f7;
  --border:    #d2d2d7;
  --radius:    18px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── NAVBAR ─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
}

.navbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

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

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── CONTAINER ───────────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HERO ────────────────────────────────────────────── */
.hero {
  min-height: 80svh;
  display: flex;
  align-items: center;
  padding: 72px 0 56px;
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-name {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-soft);
  line-height: 1.65;
  max-width: 400px;
  margin-bottom: 36px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  border-radius: 980px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.hero-photo {
  display: flex;
  justify-content: center;
}

.hero-photo img {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(15%);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.12);
}

/* ── SOBRE ───────────────────────────────────────────── */
.about {
  background: var(--bg-alt);
  padding: 56px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 28px;
}

.about-text {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-soft);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 36px;
}

.btn-secondary {
  display: inline-block;
  padding: 13px 26px;
  border: 1.5px solid var(--blue);
  color: var(--blue);
  text-decoration: none;
  border-radius: 980px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: var(--blue);
  color: #fff;
}

/* ── CARDS ───────────────────────────────────────────── */
.cards-section {
  padding: 80px 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 36px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid transparent;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
  border-color: var(--border);
}

.card-icon {
  width: 44px;
  height: 44px;
  color: var(--blue);
}

.card-icon svg { width: 100%; height: 100%; }

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-text {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-soft);
  line-height: 1.65;
  flex: 1;
}

.card-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue);
  margin-top: 4px;
  transition: letter-spacing 0.2s;
}

.card:hover .card-link { letter-spacing: 0.02em; }

/* ── FOOTER ──────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-brand {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 52px; left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }

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

  .nav-links a {
    padding: 14px 24px;
    font-size: 1rem;
    border-bottom: 1px solid var(--bg-alt);
  }

  .hamburger { display: flex; }

  .hero {
    padding: 80px 0 60px;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-text { order: 2; }
  .hero-photo { order: 1; }

  .hero-sub { max-width: 100%; margin-inline: auto; }

  .hero-photo img {
    max-width: 260px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
  }

  .about { padding: 56px 0; }
  .cards-section { padding: 56px 0; }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card { padding: 28px; }

  .section-title { font-size: 2rem; }
}

@media (max-width: 480px) {
  .navbar-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .hero-inner { padding: 0 16px; }

  .hero-name { font-size: 3rem; }

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