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

:root {
  --bg: #30454b;
  --surface: #181c29;
  --primary: #3c7ac5;
  --primary-2: #00d4ff;
  --text: #e6e6e6;
  --muted: rgba(230, 230, 230, 0.7);
  --radius: 12px;
  --shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
  --max-width: 960px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html, body {
  height: 100%;
}

body {
  background: radial-gradient(circle at top, rgba(10, 206, 255, 0.35), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
}

.container {
  width: min(100% - 2.4rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(45, 74, 92, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(209, 233, 255, 0.322);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.nav {
  display: flex;
  gap: 1rem;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  transition: 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  background: rgba(79, 157, 255, 0.15);
}

.hero {
  padding: 8rem 0 4rem;
  text-align: center;
}

.about {
  border: 0px
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: flex-start;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.hero h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1rem;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 2.2rem;
  color: var(--muted);
}

.section {
  padding: 1rem 0;
}

.section--alt {
  background: rgba(255, 255, 255, 0.03);
}

.about {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 640px) {
  .about {
    flex-wrap: wrap;
  }
}

.about-text {
  flex: 1 1 320px;
  min-width: 260px;
}

.about-photo {
  flex: 0 0 240px;
}

.profile-photo {
  width: 100%;
  height: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.45);
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(79, 157, 255, 0.2);
  border-color: rgba(79, 157, 255, 0.4);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: rgba(79, 157, 255, 0.6);
  color: #0b1220;
}

.contact-form {
  display: grid;
  gap: 1.2rem;
  max-width: 520px;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(17, 26, 52, 0.7);
  color: var(--text);
  outline: none;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(79, 157, 255, 0.65);
  box-shadow: 0 0 0 3px rgba(79, 157, 255, 0.14);
}

.footer {
  padding: 2.2rem 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--muted);
}

@media (max-width: 640px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding: 5rem 0 3rem;
  }
}