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

:root {
  --primary: #0A3D62;
  --accent: #00A8FF;
  --background: #08111F;
  --surface: #102033;
  --surface-2: #0d1a2d;
  --grey: #1E3050;
  --text: #FFFFFF;
  --text-muted: rgba(255,255,255,0.55);
  --border: rgba(0,168,255,0.1);
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 4px;
  --transition: 0.3s ease;
  --max-w: 1200px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 6rem 0; }
.section--surface { background: var(--surface-2); }
.section--cta { background: var(--surface); border-top: 1px solid var(--border); }

.section__header {
  margin-bottom: 3.5rem;
  max-width: 560px;
}
.section__header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  margin-top: 0.5rem;
  line-height: 1.2;
}

/* ===== LABEL ===== */
.label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.btn--primary {
  background: var(--accent);
  color: var(--background);
  border-color: var(--accent);
  font-weight: 700;
}
.btn--primary:hover {
  background: #33b8ff;
  border-color: #33b8ff;
  box-shadow: 0 0 28px rgba(0,168,255,0.4);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(0,168,255,0.4);
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
}
.btn--outline:hover {
  background: var(--accent);
  color: var(--background);
}
.btn--large { padding: 1rem 2.6rem; font-size: 1rem; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(8,17,31,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
}
.logo span { color: var(--accent); }
.nav {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav a:hover { color: #fff; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__visual {
  width: 100%;
  height: 100%;
  animation: heroZoom 14s ease-in-out infinite alternate;
}
.hero__visual svg { width: 100%; height: 100%; }
@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,17,31,0.95) 0%, rgba(10,61,98,0.5) 60%, rgba(8,17,31,0.4) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 6rem;
  max-width: 700px;
}
.hero__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0,168,255,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}
.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.hero__headline em {
  font-style: normal;
  color: var(--accent);
}
.hero__sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(0,168,255,0), rgba(0,168,255,0.6));
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
  border-color: rgba(0,168,255,0.3);
}
.card__icon {
  width: 50px;
  height: 50px;
  background: rgba(0,168,255,0.08);
  border: 1px solid rgba(0,168,255,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}
.card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CAPACIDADE ===== */
.capacidade__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.capacidade__text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin: 0.5rem 0 1.25rem;
  line-height: 1.2;
}
.capacidade__text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.network-visual {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

/* ===== DIFERENCIAIS ===== */
.diferencias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.diferencial {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}
.diferencial:hover {
  border-color: rgba(0,168,255,0.3);
  transform: translateY(-4px);
}
.diferencial__line {
  width: 32px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 1.25rem;
}
.diferencial h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.diferencial p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== CTA ===== */
.cta__inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 4rem 0;
}
.cta__inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin: 0.5rem 0 1rem;
  line-height: 1.2;
}
.cta__inner p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.cta__group-link { margin-top: 2rem; }
.cta__group-link a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.cta__group-link a:hover { color: var(--accent); }

/* ===== FOOTER ===== */
.footer {
  background: #050d18;
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer__brand .logo { margin-bottom: 1rem; }
.footer__brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; max-width: 280px; }
.footer__links h4 {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1rem;
}
.footer__links a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
}
.footer__bottom p {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
}
.footer__bottom a { color: var(--accent); }

/* ===== ANIMATIONS ===== */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .diferencias-grid { grid-template-columns: 1fr 1fr; }
  .capacidade__inner { grid-template-columns: 1fr; }
  .network-visual { max-width: 340px; }
}
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .nav { display: none; }
  .btn--outline { display: none; }
  .nav-toggle { display: flex; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .hero__btns { flex-direction: column; }
  .diferencias-grid { grid-template-columns: 1fr; }
}