/* =========================================================
   PHXNET — Stylesheet Principal
   ========================================================= */
:root {
  --primary:      #00b4d8;
  --primary-dark: #0077b6;
  --primary-glow: rgba(0,180,216,.25);
  --navy:         #03045e;
  --dark:         #050b1e;
  --accent:       #7c3aed;
  --accent-glow:  rgba(124,58,237,.3);
  --white:        #ffffff;
  --gray-100:     #f0f6fc;
  --gray-200:     #e2eaf4;
  --gray-500:     #6b7280;
  --gray-800:     #1e293b;
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 4px 32px rgba(0,0,0,.12);
  --shadow-card:  0 8px 40px rgba(0,0,0,.16);
  --transition:   .25s ease;
  --font:         'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--gray-800); background: var(--white); line-height: 1.6; }
img  { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Utilitários ─────────────────────────────────────────── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-dark { background: var(--navy); color: var(--white); }
.section-gray { background: var(--gray-100); }
.text-center { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary);
  background: rgba(0,180,216,.1);
  border: 1px solid rgba(0,180,216,.3);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto 48px;
}
.section-dark .section-subtitle { color: rgba(255,255,255,.65); }

/* ── Botões ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: .95rem;
  padding: 12px 28px; border-radius: 100px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-glow);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
}
.btn-sm { padding: 8px 20px; font-size: .85rem; }
.btn-whatsapp {
  background: #25d366;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,.3);
}
.btn-whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
}

/* ── Top Bar ─────────────────────────────────────────────── */
.topbar {
  background: var(--dark);
  padding: 8px 0;
  position: sticky; top: 0; z-index: 100;
}
.topbar .container {
  display: flex; justify-content: flex-end; align-items: center; gap: 12px;
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 41px; z-index: 99;
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
}
.navbar .container {
  display: flex; align-items: center; gap: 32px;
  height: 130px;
}
.navbar-brand img { height: 44px; width: auto; }
.nav-menu {
  display: flex; gap: 4px; margin-left: auto;
}
.nav-link {
  font-size: .9rem; font-weight: 500;
  color: var(--gray-800);
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: 2px; left: 50%; right: 50%;
  height: 2px; background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { left: 14px; right: 14px; }

.nav-social {
  display: flex; gap: 10px; color: var(--primary);
}
.nav-social a { transition: opacity var(--transition); }
.nav-social a:hover { opacity: .7; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 6px; border-radius: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--gray-800); border-radius: 2px;
  transition: all .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 Slideshow ──────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 520px;
  height: calc(100vh - 127px);
  max-height: 800px;
  overflow: hidden;
  display: block;
  background: #020b2e;
}

/* Slides de fundo — ocupam 100% */
.hero-slideshow {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}
.hero-slide.active { opacity: 1; }
.hero-slide-gradient {
  background: linear-gradient(135deg, #020b2e 0%, #03045e 45%, #0a1a5c 75%, #1a0540 100%);
}
/* Overlay para legibilidade */
.hero-slide-overlay {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(
    105deg,
    rgba(2,5,30,.72) 0%,
    rgba(2,5,30,.50) 45%,
    rgba(2,5,30,.25) 100%
  );
}

/* Logo marca d'água */
.hero-watermark {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
  opacity: 0.12;
}
.hero-watermark img {
  width: 380px;
  max-width: 28vw;
  height: auto;
  display: block;
  filter: brightness(0) invert(1);
}

/* Conteúdo sobre o slide */
.hero-content {
  position: absolute;
  top: 50%;
  left: 48px;
  transform: translateY(-50%);
  z-index: 2;
  max-width: 560px;
  width: calc(100% - 96px);
}
@media (max-width: 768px) {
  .hero-content { left: 24px; width: calc(100% - 48px); transform: none; top: 40px; }
}

/* Badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,180,216,.15);
  border: 1px solid rgba(0,180,216,.45);
  border-radius: 100px;
  padding: 5px 16px;
  font-size: .75rem; font-weight: 700;
  color: #7de8ff; letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0;
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* Título */
.hero-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800; line-height: 1.2;
  color: var(--white);
  margin-bottom: 0;
}
.hero-title-speed {
  display: block;
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 900; line-height: 1;
  color: var(--primary);
  letter-spacing: -.02em;
  text-shadow: 0 0 40px rgba(0,180,216,.4);
}
.hero-title-speed small {
  font-size: .3em; font-weight: 700;
  color: #90e0ef; letter-spacing: 0;
  vertical-align: middle; margin-left: 6px;
}
.hero-sub {
  font-size: 1rem; color: rgba(255,255,255,.75);
  margin: 14px 0 28px; line-height: 1.6;
}

/* CTAs */
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }

/* Trust */
.hero-trust { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-trust-item {
  display: flex; align-items: center; gap: 7px;
  font-size: .8rem; color: rgba(255,255,255,.7); font-weight: 500;
}
.hero-trust-item svg { color: var(--primary); flex-shrink: 0; }

/* Dots */
.slide-dots {
  position: absolute; bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 3;
}
.slide-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: 2px solid rgba(255,255,255,.5);
  transition: all var(--transition);
  cursor: pointer; padding: 0;
}
.slide-dot.active {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.3);
}

@keyframes pulse-ring { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ── Planos ─────────────────────────────────────────────── */
.plans-tabs {
  display: flex; justify-content: center; gap: 8px;
  margin-bottom: 48px;
}
.plans-tab {
  padding: 10px 28px; border-radius: 100px;
  font-size: .9rem; font-weight: 600;
  border: 2px solid var(--gray-200);
  color: var(--gray-500);
  transition: all var(--transition);
}
.plans-tab.active, .plans-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,180,216,.06);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}
.plan-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
}
.plan-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.plan-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, #f0fbff 0%, var(--white) 100%);
  box-shadow: 0 8px 40px rgba(0,180,216,.2);
}
.plan-badge-featured {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: var(--white);
  font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 18px; border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(245,158,11,.4);
}
.plan-card.featured {
  border-color: #f59e0b;
  background: linear-gradient(180deg, #fffbeb 0%, var(--white) 100%);
  box-shadow: 0 8px 40px rgba(245,158,11,.15);
}
.plan-card.featured .plan-cta {
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(245,158,11,.35);
}
.plan-name {
  font-size: .8rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 8px;
}
.plan-speed {
  display: flex; align-items: baseline; gap: 4px;
  margin-bottom: 4px;
}
.plan-speed-num {
  font-size: clamp(2.8rem, 6vw, 3.8rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
}
.plan-speed-unit {
  font-size: 1.1rem; font-weight: 700;
  color: var(--gray-500);
}
.plan-wifi {
  font-size: .8rem; font-weight: 600;
  color: var(--primary);
  background: rgba(0,180,216,.1);
  border-radius: 4px; padding: 2px 8px;
  display: inline-block; margin-bottom: 20px;
}
.plan-price-box { margin-bottom: 24px; }
.plan-price-old {
  font-size: .85rem; color: var(--gray-500);
  text-decoration: line-through; margin-bottom: 2px;
}
.plan-price {
  display: flex; align-items: baseline; gap: 4px;
}
.plan-price-currency { font-size: 1rem; font-weight: 700; color: var(--navy); }
.plan-price-value {
  font-size: 2.2rem; font-weight: 900;
  color: var(--navy); line-height: 1;
}
.plan-price-period { font-size: .85rem; color: var(--gray-500); }
.plan-features { margin-bottom: 28px; }
.plan-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: .9rem; padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}
.plan-feature:last-child { border-bottom: none; }
.plan-feature-icon { color: var(--primary); flex-shrink: 0; }
.plan-cta { width: 100%; text-align: center; justify-content: center; }
.plan-card.featured .plan-cta { background: var(--primary); color: var(--white); }

/* ── Benefícios ─────────────────────────────────────────── */
.benefits-promo {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius);
  padding: 16px 28px;
  display: flex; align-items: center; justify-content: center; gap: 14px;
  color: var(--white); font-weight: 700; font-size: 1rem;
  margin-bottom: 56px; text-align: center; flex-wrap: wrap;
}
.benefits-promo svg { flex-shrink: 0; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.benefit-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.benefit-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 32px var(--primary-glow);
  transform: translateY(-3px);
}
.benefit-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--white);
}
.benefit-title { font-size: .95rem; font-weight: 700; color: var(--navy); }

/* ── Empresarial ─────────────────────────────────────────── */
.business-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.business-card {
  background: rgba(255,255,255,.06);
  border: 1.5px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
}
.business-card:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.business-icon {
  width: 56px; height: 56px;
  background: var(--primary);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); margin-bottom: 20px;
}
.business-card h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 12px; }
.business-card p { font-size: .9rem; color: rgba(255,255,255,.65); line-height: 1.7; margin-bottom: 16px; }
.business-features { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.business-feature {
  display: flex; align-items: center; gap: 8px;
  font-size: .85rem; color: rgba(255,255,255,.8);
}
.business-feature svg { color: var(--primary); flex-shrink: 0; }

/* ── Contato ─────────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 360px 1fr; gap: 40px; align-items: start;
}
.contact-info h3 {
  font-size: 1.8rem; font-weight: 800;
  color: var(--primary); margin-bottom: 28px;
}
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(0,180,216,.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
}
.contact-item-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-500); margin-bottom: 4px; }
.contact-item-value { font-size: .95rem; font-weight: 600; color: var(--navy); }
.contact-whatsapp-btn {
  margin-top: 8px;
  display: inline-flex; align-items: center; gap: 10px;
  background: #25d366; color: var(--white);
  font-weight: 700; font-size: .95rem;
  padding: 12px 24px; border-radius: 100px;
  box-shadow: 0 4px 20px rgba(37,211,102,.3);
  transition: all var(--transition);
}
.contact-whatsapp-btn:hover { background: #128c7e; transform: translateY(-2px); }

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 380px;
}
.map-container iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 44px; }
.footer-desc { font-size: .875rem; line-height: 1.7; margin-bottom: 20px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }
.footer-col-title {
  font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--white); margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .875rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 14px; font-size: .875rem;
}
.footer-contact-item svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: .8rem; }
.footer-anatel {
  font-size: .75rem; color: rgba(255,255,255,.4);
}

/* ── Floating WhatsApp ─────────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 1000;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(37,211,102,.5);
  color: var(--white);
  animation: float-bob 3s ease-in-out infinite;
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes float-bob {
  0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)}
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .business-grid { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar .container { height: 60px; }
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 8px 32px rgba(0,0,0,.12);
    padding: 8px 0 16px;
  }
  .nav-menu.open { display: flex; }
  .nav-link::after { display: none; }
  .nav-social { display: none; }

  .hero-section { height: auto; max-height: none; min-height: 480px; }
  .hero-content { /* v2 */ margin-left: 0; padding: 48px 24px; }
  .hero-watermark { opacity: 0.07; right: -5%; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }

  .plans-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
}