/* ============================================================
   IMAGEO — shared.css
   Single source of truth for the design system.
   Tokens (defined once), reset, base typography, shared chrome
   (nav / footer / hamburger / drawer), utility classes, reveal.
   Phases 2–4 all link this one file.
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── TOKENS (define ONCE) ── */
:root {
  --black:        #071A00;
  --black-2:      #0d2200;
  --black-3:      #152C13;
  --surface-dark: #0b1a08;
  --surface-mid:  #152d0f;
  --surface-light:#1e3d16;
  --chrome:       #a8a8a8;
  --chrome-dim:   #4a4a4a;
  --chrome-bright:#d0d0d0;
  --neon:         #37FF00;
  --neon-dim:     rgba(55,255,0,0.10);
  --neon-mid:     rgba(55,255,0,0.35);
  --white:        #f0f0f0;
  --text-muted:   #666;
  --border:       rgba(168,168,168,0.12);
  --border-strong:rgba(168,168,168,0.25);
}

/* ── BASE TYPOGRAPHY ── */
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--chrome-bright);
  font-family: 'Nunito Sans', 'Avenir Next', Arial, sans-serif;
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── UTILITY CLASSES (D-02) ── */
.btn-primary {
  font-family: 'Nunito Sans', sans-serif;
  font-weight: 700;
  background: var(--neon);
  color: var(--black);
  padding: 0.85rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: filter 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.btn-ghost {
  font-family: 'Nunito Sans', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.85rem 2rem;
  border: 0.5px solid var(--border-strong);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: none;
  display: inline-block;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn-ghost:hover {
  background: rgba(240,240,240,0.07);
  border-color: rgba(240,240,240,0.4);
  transform: translateY(-2px);
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--chrome);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.4rem;
  height: 1.5px;
  background: var(--neon);
  flex-shrink: 0;
  border-radius: 1px;
  opacity: 0.8;
}

.section-title {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--white);
  margin-top: 0.25rem;
}

.section-desc {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--chrome);
  font-weight: 300;
  margin-top: 1rem;
}

.accent {
  color: var(--white);
  font-weight: 600;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.72rem;
  border: 0.5px solid var(--border-strong);
  color: var(--chrome);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px) scale(0.985);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* ── NAV (desktop) ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(7,26,0,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--border);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}

nav.scrolled {
  padding: 0.8rem 3rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  background: rgba(7,26,0,0.99);
}

.nav-logo {
  font-family: 'Anton', sans-serif;
  font-size: 1.4rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav-logo span { color: var(--neon); }

.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--chrome-bright);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-links a.active {
  background: #2e9e2e;
  color: #fff;
  padding: 0.32rem 0.85rem;
  border-radius: 4px;
  font-weight: 700;
}

.nav-cta {
  border: 0.5px solid var(--neon);
  color: var(--neon);
  padding: 0.55rem 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--neon);
  color: var(--black);
}

/* ── FOOTER ── */
footer {
  background: #060e05;
  padding: 0;
  position: relative;
}

footer::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(to right, transparent 0%, rgba(55,255,0,0.5) 30%, rgba(55,255,0,0.5) 70%, transparent 100%);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr;
  gap: 4rem;
  padding: 4rem 3rem 3.5rem;
  border-bottom: 0.5px solid var(--border);
}

.footer-col { display: flex; flex-direction: column; gap: 1.1rem; }

.footer-logo {
  font-family: 'Anton', sans-serif;
  font-size: 1.8rem;
  color: var(--white);
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-block;
  line-height: 1;
}

.footer-logo span { color: var(--neon); }

.footer-tagline {
  font-size: 0.88rem;
  color: var(--chrome);
  font-weight: 300;
  line-height: 1.65;
  max-width: 24ch;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.25rem;
  padding-top: 1rem;
  border-top: 0.5px solid var(--border);
}

.footer-contact-link {
  font-size: 0.82rem;
  color: var(--chrome);
  text-decoration: none;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-contact-link:hover { color: var(--white); }

.footer-col-title {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--chrome-dim);
  font-weight: 700;
  padding-bottom: 0.5rem;
  border-bottom: 0.5px solid var(--border);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--chrome);
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-nav a:hover {
  color: var(--white);
  padding-left: 0.35rem;
}

.footer-address {
  font-size: 0.82rem;
  color: var(--chrome);
  font-weight: 300;
  line-height: 1.75;
}

.footer-cnpj {
  font-size: 0.72rem;
  color: var(--chrome-dim);
  letter-spacing: 0.05em;
}

.footer-idiomas {
  font-size: 0.75rem;
  color: var(--chrome);
  letter-spacing: 0.08em;
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(0,0,0,0.2);
}

.footer-copy,
.footer-rights {
  font-size: 0.68rem;
  color: var(--chrome-dim);
  letter-spacing: 0.05em;
}

@media (max-width: 960px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem;
  }
  .footer-col-brand { grid-column: 1 / -1; }
  .footer-bottom { padding: 1rem 1.5rem; }
}

@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-col-brand { grid-column: 1; }
}

/* ── HAMBURGER (3 bars → X), hidden on desktop ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── FULL-SCREEN DRAWER (D-17 / D-19) ── */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 198;
  background: rgba(7,26,0,0.98);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-drawer.open {
  opacity: 1;
  pointer-events: all;
}

.nav-drawer a {
  font-family: 'Nunito Sans', sans-serif;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-drawer a:hover { color: var(--white); opacity: 0.7; }
.nav-drawer a.active { color: var(--neon); }

.nav-cta-mobile {
  border: 0.5px solid var(--neon);
  color: var(--neon);
  padding: 0.85rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.9rem;
}

/* ── RESPONSIVE (960px breakpoint, D-Discretion) ── */
@media (max-width: 960px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links,
  .nav-cta { display: none; }
  .hamburger { display: flex; }
}

@media (min-width: 961px) {
  .nav-drawer { display: none; }
}