/* ==========================================================================
   Layout — Estrutura principal
   ========================================================================== */

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

html {
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  font-feature-settings: 'ss01', 'cv11', 'cv02';
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.006em;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(255,255,255,0.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.014) 1px, transparent 1px);
  background-size: 64px 64px;
}

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

.mono {
  font-family: var(--font-mono);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ TOP BAR ============ */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  height: 36px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(197, 223, 157, 0.1);
  animation: pulse 2.4s ease-in-out infinite;
}

.pulse.green {
  background: var(--forest);
  box-shadow: 0 0 0 3px rgba(18, 60, 54, 0.1);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.topbar-sep {
  color: var(--ink-4);
}

.topbar-tag {
  color: var(--lime);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.topbar-time {
  color: var(--ink-2);
}

/* ============ HEADER ============ */
header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  background: #000;
  border: 1px solid var(--line-3);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  position: relative;
  box-shadow: 0 0 0 1px rgba(197, 223, 157, 0.15), inset 0 1px 0 rgba(255,255,255,0.06);
}

.brand-mark::after {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--lime);
  animation: pulse 2s infinite;
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-ver {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  padding: 1px 6px;
  border-radius: 3px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  transition: color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

nav a:hover {
  color: var(--ink);
}

nav a.active {
  color: var(--ink);
}

nav a.active::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--lime);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--lime);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  padding: 4px 10px;
  border-radius: 4px;
}

.btn-header {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  padding: 6px 12px;
  border-radius: 5px;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.btn-header:hover {
  background: var(--surface-3);
  border-color: var(--line-3);
}

.btn-header .kbd {
  color: var(--ink-4);
  font-size: 10px;
  background: var(--bg);
  border: 1px solid var(--line-2);
  padding: 1px 4px;
  border-radius: 3px;
}

/* Menu hambúrguer (apenas mobile) */
.menu-toggle {
  display: none;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.15s;
}

.menu-toggle:hover {
  border-color: var(--line-3);
  background: var(--surface-3);
}

/* ============ HERO ============ */
.hero {
  padding: 88px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse at top, rgba(197, 223, 157, 0.08), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 26px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-eyebrow .brk {
  color: var(--ink-3);
}

h1 {
  font-size: clamp(38px, 4.4vw, 54px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.038em;
  color: var(--ink);
  margin-bottom: 22px;
}

h1 .mono-accent {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--lime);
  letter-spacing: -0.03em;
  font-size: 0.88em;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 50ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn svg {
  width: 14px;
  height: 14px;
}

.btn-primary {
  color: #1b2e1e;
  background: var(--lime);
  border-color: var(--lime);
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(197, 223, 157, 0.4), 0 4px 16px -4px rgba(197, 223, 157, 0.5);
}

.btn-primary:hover {
  background: #dfedc8;
  border-color: #dfedc8;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(223, 237, 200, 0.5), 0 8px 24px -4px rgba(197, 223, 157, 0.6);
}

.btn-secondary {
  color: var(--ink);
  background: var(--surface-2);
  border-color: var(--line-2);
}

.btn-secondary:hover {
  background: var(--surface-3);
  border-color: var(--line-3);
}

.btn .kbd-inline {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: rgba(27, 46, 30, 0.65);
  background: rgba(27, 46, 30, 0.15);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ============ SECTION BASE ============ */
section.block {
  padding: 80px 0;
}

section.block.dark {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 44px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.section-head-left {
  display: flex;
  align-items: baseline;
  gap: 20px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
}

.section-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.028em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section-title .slash {
  color: var(--ink-4);
  font-family: var(--font-mono);
  font-weight: 400;
}

.section-title .mono-title {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--lime);
  font-size: 0.85em;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 14px;
  color: var(--ink-2);
  max-width: 52ch;
  line-height: 1.6;
}