/* ============================================
   Zyon Web Systems — design tokens
   ============================================ */
:root {
  --bg: #120D0A;
  --bg-alt: #1C1512;
  --bg-alt-2: #221A15;
  --text: #F5EFE8;
  --text-muted: #B7ACA1;
  --accent: #FF7A1A;
  --accent-2: #FFB238;
  --accent-deep: #C2410C;
  --line: rgba(245, 239, 232, 0.10);
  --line-strong: rgba(245, 239, 232, 0.18);

  --font-heading: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --max-w: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; color: var(--text-muted); max-width: 62ch; }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #17110B;
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255, 122, 26, 0.28); }
.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }
.btn-large { padding: 16px 32px; font-size: 1.05rem; }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18, 13, 10, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.wordmark {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  margin-right: auto;
}
.wordmark-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block;
}
.wordmark-thin {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 2px;
}
.main-nav {
  display: flex;
  gap: 28px;
}
.main-nav a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  width: 16px; height: 2px;
  background: var(--text);
  margin: 0 auto;
  display: block;
}

/* ============================================
   Hero
   ============================================ */
.hero { padding: 72px 0 88px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-2);
  margin-bottom: 18px;
}
.hero-lead { font-size: 1.05rem; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-panel {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.panel-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt-2);
}
.panel-bar span:not(.panel-title) {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}
.panel-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.panel-list { list-style: none; margin: 0; padding: 6px 0; }
.panel-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.panel-list li:last-child { border-bottom: none; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot-on { background: var(--accent-2); box-shadow: 0 0 8px rgba(255, 178, 56, 0.6); }
.dot-pending { background: var(--text-muted); }
.panel-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
}
.panel-footer {
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
}

/* ============================================
   Sobre
   ============================================ */
.sobre { padding: 72px 0; border-top: 1px solid var(--line); }
.sobre-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
.stack-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.stack-tags span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--text-muted);
}

/* ============================================
   Serviços
   ============================================ */
.servicos { padding: 72px 0; border-top: 1px solid var(--line); }
.servico-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 36px;
}
.servico-item {
  background: var(--bg);
  padding: 32px;
  border-left: 2px solid transparent;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.servico-item:hover {
  border-left-color: var(--accent);
  background: var(--bg-alt);
}
.servico-item p { margin-bottom: 0; }

/* ============================================
   Portfólio
   ============================================ */
.portfolio { padding: 72px 0; border-top: 1px solid var(--line); }
.portfolio-note { margin-top: -8px; font-size: 0.95rem; }
.proj-list { margin-top: 24px; border-top: 1px solid var(--line); }
.proj-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.proj-main { flex: 1; }
.proj-main h3 { margin-bottom: 8px; }
.proj-main p { margin-bottom: 12px; }
.proj-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.proj-tags span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-2);
  border: 1px solid var(--accent-deep);
  border-radius: 4px;
  padding: 4px 9px;
}
.proj-link {
  flex-shrink: 0;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.15s ease;
}
.proj-link:hover { color: var(--accent-2); }

/* ============================================
   Contato
   ============================================ */
.contato { padding: 88px 0; border-top: 1px solid var(--line); text-align: center; }
.contato-inner { max-width: 560px; margin: 0 auto; }
.contato-inner p { margin-left: auto; margin-right: auto; }
.contato-alt { margin-top: 20px; font-size: 0.85rem; color: var(--text-muted); }

/* ============================================
   Footer
   ============================================ */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .sobre-grid { grid-template-columns: 1fr; }
  .servico-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .site-header.nav-open .header-inner {
    flex-wrap: wrap;
  }
  .site-header.nav-open .main-nav,
  .site-header.nav-open .header-cta {
    display: flex;
    width: 100%;
    order: 3;
  }
  .site-header.nav-open .main-nav {
    flex-direction: column;
    gap: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    margin-top: 12px;
  }
  .site-header.nav-open .header-cta {
    justify-content: center;
    margin-top: 16px;
  }

  .proj-row { flex-direction: column; align-items: flex-start; gap: 12px; }
}