/* ============================================================
   LAPIDARE ENGENHARIA — main.css
   Sistema visual cinematográfico construído sobre os tokens
   de /assets/css/tokens.css (derivados do design-system).
   ============================================================ */

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

html {
  background: var(--color-bg-void);
  color-scheme: dark;
}

body {
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 640px) {
  .container { padding: 0 var(--space-4); }
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-bright);
  margin-bottom: var(--space-3);
}

.section {
  position: relative;
  padding: var(--space-24) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-16);
  text-align: center;
}

.section-head h2 {
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-5);
}

.section-head p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* ----------------------------------------------------------
   BACKGROUND FIELD (grid + glow, atrás de tudo)
   ---------------------------------------------------------- */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--color-bg-void);
  overflow: hidden;
}

.bg-field::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.bg-field .glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  mix-blend-mode: screen;
}
.bg-field .glow--a { width: 900px; height: 900px; top: -300px; left: -200px; background: var(--color-brand-core); }
.bg-field .glow--b { width: 700px; height: 700px; top: 20%; right: -250px; background: var(--color-brand-bright); }

/* ----------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-brand-bright), var(--color-brand-electric));
  color: #04101c;
  box-shadow: 0 8px 30px rgba(63, 163, 245, 0.35);
}
.btn--primary:hover { box-shadow: 0 14px 40px rgba(63, 163, 245, 0.5); }

.btn--ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-strong);
  color: var(--color-text-primary);
}
.btn--ghost:hover { background: rgba(255,255,255,0.08); border-color: var(--border-accent); }

.btn--light {
  background: #eef3f8;
  color: #0a0e14;
}
.btn--light:hover { box-shadow: 0 10px 30px rgba(238,243,248,0.25); }

.btn--sm { padding: 10px 20px; font-size: var(--text-xs); }

/* ----------------------------------------------------------
   NAVIGATION
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: var(--space-5) 0;
  transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: var(--color-bg-header);
  backdrop-filter: blur(18px);
  border-color: var(--border-subtle);
  padding: var(--space-3) 0;
}

.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }

.nav__brand { display: flex; align-items: center; gap: var(--space-3); }
.nav__brand img { height: 34px; width: auto; }
.nav__brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav__brand-text strong {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
}
.nav__brand-text span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: var(--tracking-widest);
  color: var(--color-brand-bright);
  text-transform: uppercase;
}

.nav__links { display: flex; align-items: center; gap: var(--space-6); }
.nav__links a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
  position: relative;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--color-text-primary); }
.nav__links a.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--color-brand-bright); border-radius: 2px;
}

.nav__cta { display: none; }

.nav__burger {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.nav__burger svg { color: var(--color-text-primary); }

@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__burger { display: none; }
}
@media (max-width: 1023px) {
  .nav__links { display: none; }
}

.mobile-menu {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: rgba(4, 6, 10, 0.98);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: var(--space-8) var(--space-6);
  transform: translateY(-100%);
  transition: transform 0.35s ease;
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu__close {
  align-self: flex-end;
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center; cursor: pointer; color: white;
  margin-bottom: var(--space-10);
}
.mobile-menu__links { display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.mobile-menu__links a {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.mobile-menu__foot { padding-top: var(--space-8); }

/* ----------------------------------------------------------
   HERO — canvas scroll-scrub
   ---------------------------------------------------------- */
.hero-pin {
  position: relative;
  height: 320vh;
}
.hero-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-void);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.hero-vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, transparent 30%, rgba(4,6,10,0.55) 100%),
    linear-gradient(to bottom, rgba(4,6,10,0.35) 0%, transparent 20%, transparent 70%, rgba(4,6,10,0.85) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-bright);
  margin-bottom: var(--space-5);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-hero);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  background: linear-gradient(120deg, #ffffff 20%, var(--color-brand-bright) 60%, var(--color-brand-electric) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.hero-sub {
  margin-top: var(--space-6);
  max-width: 520px;
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.hero-cta {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-scroll-cue {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition: opacity 0.4s ease;
}
.hero-scroll-cue .line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--color-brand-bright), transparent);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 0%,100% { opacity: .2; } 50% { opacity: 1; } }

/* ----------------------------------------------------------
   MACRO / DETAIL scrub section
   ---------------------------------------------------------- */
.macro-pin { position: relative; height: 340vh; background: var(--color-bg-void); }
.macro-stage {
  position: sticky; top: 0; height: 100vh; width: 100%; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.macro-stage video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0.85; filter: saturate(1.05);
}
.macro-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,6,10,0.75) 0%, rgba(4,6,10,0.15) 30%, rgba(4,6,10,0.15) 70%, rgba(4,6,10,0.9) 100%);
}
.macro-grid-line {
  position: absolute; inset: 0;
  border: 1px solid var(--border-subtle);
  margin: 6vh 6vw;
  pointer-events: none;
}

.macro-text {
  position: absolute;
  z-index: 3;
  max-width: 560px;
  padding: 0 var(--space-6);
  opacity: 0;
  transform: translateY(24px);
}
.macro-text .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-bright);
  margin-bottom: var(--space-4);
  display: block;
}
.macro-text h3 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-semibold);
  color: white;
  line-height: 1.15;
}
.macro-text--1 { top: 16%; left: 8%; text-align: left; }
.macro-text--2 { bottom: 16%; right: 8%; text-align: right; }
.macro-text--3 { top: 50%; left: 50%; transform: translate(-50%, -30%); text-align: center; }

@media (max-width: 720px) {
  .macro-text { left: 50% !important; right: auto !important; transform: translate(-50%, 24px) !important; text-align: center !important; top: 50%; max-width: 90vw; }
  .macro-text--3 { transform: translate(-50%, -30%) !important; }
}

/* ----------------------------------------------------------
   STATS
   ---------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 720px) { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
}
.stat-card .num {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: white;
}
.stat-card .num span { color: var(--color-brand-bright); }
.stat-card .label { margin-top: var(--space-2); color: var(--color-text-secondary); font-size: var(--text-sm); }
.stat-card--accent {
  background: linear-gradient(135deg, var(--color-brand-mid), var(--color-brand-deep));
  border-color: var(--border-accent);
}
.stat-card--accent .label { color: rgba(238,243,248,0.7); }

/* ----------------------------------------------------------
   CARDS (risks, audiences, services, process)
   ---------------------------------------------------------- */
.card-grid { display: grid; gap: var(--space-6); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .card-grid--3, .card-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid--3, .card-grid--4, .card-grid--2 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--color-bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--border-accent); background: var(--color-bg-elevated); }
.card .icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  background: rgba(63, 163, 245, 0.12); color: var(--color-brand-bright);
  margin-bottom: var(--space-5); font-size: 22px;
}
.card h3 { font-size: var(--text-lg); font-weight: var(--weight-semibold); margin-bottom: var(--space-3); }
.card p { color: var(--color-text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.card--accent { background: linear-gradient(150deg, var(--color-brand-mid), var(--color-brand-deep)); border-color: var(--border-accent); }
.card--accent p { color: rgba(238,243,248,0.75); }
.card--accent .icon { background: rgba(255,255,255,0.16); color: white; }

.step-card { position: relative; }
.step-card .step-num {
  position: absolute; top: -14px; left: -14px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-brand-electric); color: white;
  font-family: var(--font-mono); font-weight: var(--weight-semibold); font-size: var(--text-sm);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}

/* ----------------------------------------------------------
   CONTACT / CTA
   ---------------------------------------------------------- */
.cta-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-accent);
  background: radial-gradient(ellipse 100% 100% at 30% 0%, rgba(63,163,245,0.12), transparent 60%), var(--color-bg-surface);
  padding: var(--space-16) var(--space-10);
  text-align: center;
}
.cta-panel h2 { font-size: var(--text-5xl); font-weight: var(--weight-bold); margin-bottom: var(--space-5); }
.cta-panel p { color: var(--color-text-secondary); max-width: 480px; margin: 0 auto var(--space-8); font-size: var(--text-lg); }

.form-grid { display: grid; gap: var(--space-4); }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr; } }

.form-label {
  display: block; font-size: 11px; font-weight: var(--weight-semibold);
  text-transform: uppercase; letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted); margin-bottom: var(--space-2);
}
.form-input, select.form-input, textarea.form-input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: white;
  font-size: var(--text-sm);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form-input:focus { border-color: var(--border-accent); background: rgba(255,255,255,0.05); }
.form-input::placeholder { color: var(--color-text-muted); }
select.form-input option { background: #0d121a; }

.hidden { display: none !important; }

/* ----------------------------------------------------------
   FOOTER
   ---------------------------------------------------------- */
.footer { padding: var(--space-20) 0 var(--space-10); border-top: 1px solid var(--border-subtle); background: var(--color-bg-page); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-10); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img { height: 40px; margin-bottom: var(--space-5); }
.footer-brand p { color: var(--color-text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); max-width: 300px; }
.footer h4 { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: white; margin-bottom: var(--space-5); }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer ul a, .footer address { color: var(--color-text-secondary); font-size: var(--text-sm); font-style: normal; line-height: var(--leading-relaxed); }
.footer ul a:hover { color: var(--color-brand-bright); }
.footer-bottom {
  margin-top: var(--space-16); padding-top: var(--space-8); border-top: 1px solid var(--border-subtle);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  color: var(--color-text-muted); font-size: var(--text-xs);
}

/* ----------------------------------------------------------
   SIMPLE PAGE HEADER (páginas internas)
   ---------------------------------------------------------- */
.page-hero { padding: 180px 0 var(--space-16); text-align: center; }
.page-hero h1 { font-size: var(--text-5xl); font-weight: var(--weight-bold); margin-bottom: var(--space-5); }
.page-hero p { color: var(--color-text-secondary); font-size: var(--text-lg); max-width: 620px; margin: 0 auto; line-height: var(--leading-relaxed); }
.page-hero .badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  border: 1px solid var(--border-subtle); background: rgba(255,255,255,0.04);
  border-radius: var(--radius-pill); padding: 8px 18px; font-size: var(--text-xs);
  color: var(--color-text-secondary); margin-bottom: var(--space-6);
}

/* ----------------------------------------------------------
   REVEAL utility (used by IntersectionObserver in main.js)
   ---------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ----------------------------------------------------------
   LOADER
   ---------------------------------------------------------- */
.loader {
  position: fixed; inset: 0; z-index: 2000;
  background: var(--color-bg-void);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-6);
  transition: opacity 0.7s ease;
}
.loader.is-done { opacity: 0; pointer-events: none; }
.loader__mark { width: 56px; height: 56px; object-fit: contain; animation: loaderPulse 1.6s ease-in-out infinite; }
@keyframes loaderPulse { 0%,100% { opacity: 0.5; transform: scale(0.94); } 50% { opacity: 1; transform: scale(1); } }
.loader__bar { width: 200px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; }
.loader__bar > div { height: 100%; width: 0%; background: linear-gradient(90deg, var(--color-brand-electric), var(--color-brand-bright)); transition: width 0.2s ease; }
.loader__pct { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: var(--tracking-wide); }

body:not(.is-ready) { overflow: hidden; height: 100vh; }

/* ----------------------------------------------------------
   ACCESSIBILITY
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero-pin, .macro-pin { height: auto; }
  .hero-stage, .macro-stage { position: relative; }
}