/* ═══════════════════════════════════════════════════════════════
   RAÍZES T.E.C.H — Global Stylesheet
   Identidade Visual: Azul marinho escuro + Ciano neon tech
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --bg-dark:    #03091a;
  --bg-card:    #081428;
  --bg-card2:   #0d1e38;
  --cyan:       #00d4ff;
  --cyan-dim:   #0099cc;
  --cyan-glow:  rgba(0, 212, 255, 0.18);
  --blue-mid:   #0a2a5e;
  --text-main:  #e0f0ff;
  --text-muted: #7ca8cc;
  --white:      #ffffff;
  --accent:     #00ffd5;
  --font-tech:  'Orbitron', sans-serif;
  --font-ui:    'Rajdhani', sans-serif;
  --font-body:  'Inter', sans-serif;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow-neon: 0 0 24px rgba(0, 212, 255, 0.35);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

.highlight { color: var(--cyan); }

/* ─── SCROLL BAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-18px); }
}
@keyframes bounceArrow {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50%      { transform: translateY(12px) rotate(45deg); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 30px rgba(0,212,255,0.3); }
  50%       { box-shadow: 0 0 60px rgba(0,212,255,0.7); }
}
@keyframes scanline {
  0%   { background-position: 0 0; }
  100% { background-position: 0 100%; }
}
@keyframes particle-drift {
  0%   { transform: translateY(0) translateX(0); opacity: 0.6; }
  50%  { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(30px); opacity: 0; }
}
@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes blink-bar {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease calc(var(--delay, 0s)),
              transform 0.7s ease calc(var(--delay, 0s));
}
.animate-fade-left {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}
.animate-fade-up.visible,
.animate-fade-left.visible {
  opacity: 1;
  transform: translate(0);
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0.9rem 0;
  background: rgba(3, 9, 26, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.12);
  transition: background var(--transition);
}
.navbar.scrolled {
  background: rgba(3, 9, 26, 0.97);
  border-bottom-color: rgba(0,212,255,0.25);
}
.nav-container {
  width: min(1200px, 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(0,212,255,0.4));
}
.nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.nav-link {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--cyan);
  transition: left 0.3s, right 0.3s;
  border-radius: 2px;
}
.nav-link:hover, .nav-link.active {
  color: var(--cyan);
  background: rgba(0,212,255,0.07);
}
.nav-link:hover::after, .nav-link.active::after {
  left: 1rem; right: 1rem;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 0 4rem;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0,100,180,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(0,40,120,0.25) 0%, transparent 60%),
    var(--bg-dark);
}

/* Grid lines background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--cyan);
  border-radius: 50%;
  animation: particle-drift linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1200px, 92%);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

/* Hero Text */
.hero-badge {
  display: inline-block;
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--cyan);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
}
.hero-title {
  font-family: var(--font-tech);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 60px rgba(0,212,255,0.2);
}
.hero-title .highlight {
  display: block;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  background: linear-gradient(90deg, var(--cyan), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(0,212,255,0.5));
}
.hero-subtitle {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 1.8rem;
  line-height: 1.7;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.tag {
  background: rgba(122, 204, 255, 0.15);
  border: 1px solid rgba(122, 204, 255, 0.4);
  color: #ccebff;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background var(--transition), border-color var(--transition);
}
.tag:hover {
  background: rgba(122, 204, 255, 0.25);
  border-color: #7accff;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: var(--bg-dark);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 24px rgba(0,212,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(0,212,255,0.5);
}

/* Mascot */
.hero-mascot {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.mascot-img {
  width: clamp(260px, 38vw, 480px);
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 60px rgba(0,150,255,0.4));
  position: relative;
  z-index: 2;
}
.mascot-glow {
  position: absolute;
  width: 70%;
  height: 50%;
  bottom: -5%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(0,212,255,0.25) 0%, transparent 70%);
  filter: blur(30px);
  animation: pulse-glow 3s ease-in-out infinite;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeUp 1s ease 1.5s both;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  animation: bounceArrow 1.5s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION COMMONS
   ═══════════════════════════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}
.section-header h2 {
  font-family: var(--font-tech);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════════════════════
   SOBRE
   ═══════════════════════════════════════════════════════════════ */
.sobre {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}

.sobre-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.sobre-card {
  background: var(--bg-card2);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.sobre-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.sobre-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 16px 40px rgba(0,212,255,0.12);
}
.sobre-card:hover::before { opacity: 1; }
.card-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(0,212,255,0.5));
}
.card-icon img {
  height: 60px;
  width: auto;
  object-fit: contain;
}
.sobre-card h3 {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.03em;
}
.sobre-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* Impacto */
.impacto-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  background: var(--bg-card2);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.impacto-item {
  flex: 1;
  min-width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}
.impacto-num {
  font-family: var(--font-tech);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 0.4rem;
  filter: drop-shadow(0 0 10px rgba(0,212,255,0.4));
}
.impacto-label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  font-weight: 500;
}
.impacto-divider {
  width: 1px;
  height: 60px;
  background: rgba(0,212,255,0.2);
}

/* ═══════════════════════════════════════════════════════════════
   COMO FUNCIONA
   ═══════════════════════════════════════════════════════════════ */
.como-funciona {
  padding: 6rem 0;
  position: relative;
}
.como-funciona::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(0,80,160,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.steps-row {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.step {
  background: var(--bg-card2);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  transition: transform var(--transition), border-color var(--transition);
}
.step:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
}
.step-num {
  font-family: var(--font-tech);
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(0,212,255,0.2);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.step-content h4 {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}
.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.step-arrow {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: rgba(0,212,255,0.3);
  padding-bottom: 1rem;
}

/* ═══════════════════════════════════════════════════════════════
   GALERIA PLACEHOLDER
   ═══════════════════════════════════════════════════════════════ */
.galeria {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 220px 220px;
  gap: 1rem;
}
.galeria-item {
  border-radius: var(--radius);
  overflow: hidden;
}
.galeria-item.large {
  grid-column: 3 / 5;
  grid-row: 1 / 3;
}
.placeholder {
  background: var(--bg-card2);
  border: 2px dashed rgba(0,212,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}
.placeholder:hover { border-color: rgba(0,212,255,0.4); }
.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(0,212,255,0.35);
  font-family: var(--font-ui);
  font-size: 0.85rem;
}
.ph-icon { font-size: 2rem; }

/* ═══════════════════════════════════════════════════════════════
   CIDADES CTA
   ═══════════════════════════════════════════════════════════════ */
.cidades-cta {
  padding: 6rem 0;
}
.cidades-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cidade-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  border: 1px solid rgba(0,212,255,0.12);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.cidade-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,150,255,0.2);
  border-color: var(--cyan);
}
.cidade-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, #0a1f45 0%, #061020 100%);
}
/* Unique color accent per card */
.cidade-card:nth-child(1) .cidade-bg {
  background: linear-gradient(135deg, #061830 0%, #0a3060 60%, #031020 100%);
}
.cidade-card:nth-child(2) .cidade-bg {
  background: linear-gradient(135deg, #041830 0%, #083050 60%, #021020 100%);
}
.cidade-card:nth-child(3) .cidade-bg {
  background: linear-gradient(135deg, #061530 0%, #0a2850 60%, #030f20 100%);
}

/* Circuit pattern overlay */
.cidade-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 1;
}
.cidade-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(3,9,26,0.85) 0%, transparent 60%);
  z-index: 2;
}
.cidade-card-content {
  position: relative;
  z-index: 3;
  padding: 1.8rem;
  width: 100%;
}
.cidade-estado {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}
.cidade-card-content h3 {
  font-family: var(--font-tech);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 0.6rem;
}
.cidade-card-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.6;
}
.cidade-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dim));
  color: var(--bg-dark);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.3rem;
  border-radius: 6px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cidade-card:hover .cidade-cta-btn {
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0,212,255,0.4);
}
.arrow {
  transition: transform var(--transition);
}
.cidade-card:hover .arrow { transform: translateX(4px); }

/* ═══════════════════════════════════════════════════════════════
   IMPORTÂNCIA
   ═══════════════════════════════════════════════════════════════ */
.importancia {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}
.importancia-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.importancia-text .section-tag { display: block; text-align: left; margin-bottom: 0.8rem; }
.importancia-text h2 {
  font-family: var(--font-tech);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
.importancia-text p {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.importancia-text strong { color: var(--cyan); font-weight: 600; }

.importancia-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stat-card {
  background: var(--bg-card2);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover {
  transform: translateX(6px);
  border-color: rgba(0,212,255,0.35);
}
.stat-card.accent {
  background: rgba(0,212,255,0.06);
  border-color: rgba(0,212,255,0.25);
}
.stat-big {
  font-family: var(--font-tech);
  font-size: 2rem;
  font-weight: 900;
  color: var(--cyan);
  white-space: nowrap;
  filter: drop-shadow(0 0 8px rgba(0,212,255,0.3));
}
.stat-sub {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════
   LOGOS BAR
   ═══════════════════════════════════════════════════════════════ */
.logos-bar {
  padding: 4rem 0;
  border-top: 1px solid rgba(0,212,255,0.1);
  border-bottom: 1px solid rgba(0,212,255,0.1);
}
.logos-title {
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.logos-strip {
  display: flex;
  justify-content: center;
  align-items: center;
}
.logos-img {
  max-width: 100%;
  max-height: 120px;
  width: auto;
  filter: brightness(1.1) drop-shadow(0 0 12px rgba(0,212,255,0.15));
  transition: filter var(--transition);
}
.logos-img:hover { filter: brightness(1.3) drop-shadow(0 0 20px rgba(0,212,255,0.3)); }

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  padding: 4rem 0 2rem;
  background: var(--bg-card);
  border-top: 1px solid rgba(0,212,255,0.08);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand img.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 8px rgba(0,212,255,0.3));
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer-nav h4, .footer-info h4 {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--cyan);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--cyan); }
.footer-info p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
}
.footer-bottom {
  border-top: 1px solid rgba(0,212,255,0.08);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-ui);
}

/* ═══════════════════════════════════════════════════════════════
   CITY PAGES — shared
   ═══════════════════════════════════════════════════════════════ */
.city-hero {
  min-height: 55vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.city-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}
.city-hero-content {
  position: relative;
  z-index: 2;
  width: min(1200px, 92%);
  margin-inline: auto;
}
.city-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  transition: color var(--transition);
}
.city-back:hover { color: var(--cyan); }
.city-hero-content h1 {
  font-family: var(--font-tech);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.city-hero-content .city-state {
  font-family: var(--font-ui);
  color: var(--cyan);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}
.city-hero-content p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  line-height: 1.75;
}

/* Articles section */
.artigos-section {
  padding: 5rem 0;
}
.artigos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.artigo-card {
  background: var(--bg-card2);
  border: 1px solid rgba(0,212,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.artigo-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 12px 36px rgba(0,150,255,0.12);
}
.artigo-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.artigo-img-placeholder {
  width: 100%;
  height: 200px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(0,212,255,0.2);
  border-bottom: 1px solid rgba(0,212,255,0.08);
}
.artigo-body {
  padding: 1.5rem;
}
.artigo-tag {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--cyan);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  margin-bottom: 0.8rem;
}
.artigo-body h3 {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 0.6rem;
}
.artigo-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.artigo-date {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(0,212,255,0.45);
  font-weight: 500;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 4rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}
.empty-state p { font-size: 0.92rem; max-width: 400px; margin-inline: auto; }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .sobre-grid { grid-template-columns: repeat(2, 1fr); }
  .cidades-grid { grid-template-columns: 1fr 1fr; }
  .cidades-grid .cidade-card:last-child { grid-column: 1 / -1; }
  .importancia-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .galeria-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .galeria-item.large { grid-column: auto; grid-row: auto; }
  .steps-row { flex-direction: column; align-items: center; }
  .step { max-width: 100%; min-width: unset; width: 100%; }
  .step-arrow { transform: rotate(90deg); }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Navbar mobile */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(3,9,26,0.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(0,212,255,0.15);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link {
    font-size: 1.1rem;
    padding: 0.8rem 1.2rem;
    width: 100%;
  }

  /* Hero mobile */
  .hero { 
    padding: 6rem 0 2rem; 
    flex-direction: column; 
    justify-content: center;
  }
  .hero-scroll-hint {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: 3rem;
  }
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  .hero-mascot { order: -1; }
  .mascot-img { width: clamp(200px, 65vw, 320px); }
  .hero-tags { justify-content: center; }
  .hero-text { display: flex; flex-direction: column; align-items: center; }

  /* Cards */
  .sobre-grid { grid-template-columns: 1fr; }
  .cidades-grid { grid-template-columns: 1fr; }
  .cidades-grid .cidade-card:last-child { grid-column: auto; }

  /* Impacto */
  .impacto-row { flex-direction: column; }
  .impacto-divider { width: 60px; height: 1px; }

  /* Galeria */
  .galeria-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }

  /* Importancia */
  .importancia-visual { flex-direction: column; }

  /* City hero */
  .city-hero { padding: 7rem 0 3rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .hero-title .highlight { font-size: 3rem; }
  .galeria-grid { grid-template-columns: 1fr; }
  .galeria-item.large { grid-column: auto; }
  .impacto-num { font-size: 2rem; }
  .stat-big { font-size: 1.6rem; }
  .cidade-card { min-height: 260px; }
}