:root {
  --ink: #12151a;
  --ink-soft: #4a5160;
  --paper: #eef1f4;
  --paper-deep: #e2e7ed;
  --accent: #c45c26;
  --accent-deep: #9a451c;
  --line: rgba(18, 21, 26, 0.12);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1000px 500px at 0% -10%, rgba(196, 92, 38, 0.12), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(226, 231, 237, 0.95), transparent 50%),
    linear-gradient(180deg, var(--paper), #e8ecf1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--space);
  background: rgba(238, 241, 244, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s ease, background 0.35s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(238, 241, 244, 0.96);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: none;
  gap: 1.4rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent-deep);
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.1rem;
}

.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 21, 26, 0.25) 0%, rgba(18, 21, 26, 0.62) 50%, rgba(18, 21, 26, 0.88) 100%),
    linear-gradient(120deg, rgba(154, 69, 28, 0.35), transparent 45%),
    url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1920&q=80")
      center / cover no-repeat;
  transform: scale(1.04);
  animation: hero-drift 18s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2 * var(--space), 42rem);
  margin: 0 auto 0 var(--space);
  padding: clamp(5rem, 14vh, 8rem) 0 clamp(3rem, 8vh, 5rem);
  color: #f4f6f8;
}

.brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s ease forwards 0.15s;
}

.hero h1 {
  margin: 0 0 0.9rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s ease forwards 0.35s;
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: clamp(1rem, 2vw, 1.12rem);
  font-weight: 300;
  color: rgba(244, 246, 248, 0.88);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s ease forwards 0.5s;
}

.cta-group,
.contato-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
}

.cta-group {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s ease forwards 0.65s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: #f4f6f8;
  color: var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #fff;
}

.btn-ghost {
  border-color: rgba(244, 246, 248, 0.45);
  color: #f4f6f8;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: #f4f6f8;
  background: rgba(244, 246, 248, 0.08);
}

.section {
  padding: clamp(4rem, 10vh, 6.5rem) var(--space);
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.section h2,
.subheading {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.8vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.subheading {
  margin-top: 3rem;
}

.section-lead {
  margin: 0 0 1.75rem;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  font-weight: 300;
}

.sobre p,
.formacao p,
.projeto p {
  max-width: 42rem;
  color: var(--ink-soft);
}

.credencial {
  margin-top: 1.75rem;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.sobre,
.formacao {
  background: linear-gradient(180deg, rgba(226, 231, 237, 0.55), rgba(226, 231, 237, 0.12));
}

.lista-grid {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.lista-grid li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.lista-grid li.is-visible {
  opacity: 1;
  transform: none;
}

.stack {
  display: grid;
  gap: 1.75rem;
}

.stack h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.stack p {
  margin: 0;
  color: var(--ink-soft);
}

.projeto {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.projeto:last-of-type {
  border-bottom: 1px solid var(--line);
}

.projeto h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.projeto-meta {
  margin: 0 0 0.75rem !important;
  font-size: 0.92rem;
  color: var(--accent-deep) !important;
  font-weight: 500;
}

.destaque {
  margin-top: 0.85rem !important;
  color: var(--ink) !important;
  font-weight: 500;
}

.projetos-atuais {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.projetos-atuais li {
  border-bottom: 1px solid var(--line);
}

.projetos-atuais a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.25rem 0;
  transition: color 0.25s ease;
}

.projetos-atuais a:hover,
.projetos-atuais a:focus-visible {
  color: var(--accent-deep);
}

.projetos-atuais strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.projetos-atuais span {
  color: var(--ink-soft);
  font-weight: 300;
}

.lista-simples {
  margin: 0 0 2rem;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.lista-simples li {
  margin-bottom: 0.45rem;
}

.parcerias .btn-ghost {
  border-color: rgba(18, 21, 26, 0.22);
  color: var(--ink);
}

.parcerias .btn-ghost:hover,
.parcerias .btn-ghost:focus-visible {
  border-color: var(--ink);
  background: rgba(18, 21, 26, 0.04);
}

.site-footer {
  padding: 2.5rem var(--space) 3rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.footer-brand {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-note,
.footer-copy {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 300;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.08) translate3d(-1%, -0.6%, 0);
  }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .hero-content {
    margin-left: max(var(--space), calc((100% - var(--max)) / 2));
  }

  .lista-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0 2.5rem;
    border-top: 0;
  }

  .lista-grid li {
    border-bottom: 0;
    border-top: 1px solid var(--line);
    padding-top: 1.1rem;
  }

  .stack {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .brand,
  .hero h1,
  .lead,
  .cta-group,
  .lista-grid li,
  .hero-media {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }
}