/* ==========================================================================
   NETNAÇÃO — DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Colors */
  --bg: #060a12;
  --bg-alt: #0a0f1a;
  --bg-elevated: #0e1420;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #eef2f8;
  --text-dim: #97a1b3;
  --text-faint: #5c657a;

  --accent-cyan: #00f0c0;
  --accent-violet: #7c5cff;
  --accent-cyan-dim: rgba(0, 240, 192, 0.14);
  --accent-violet-dim: rgba(124, 92, 255, 0.14);

  --gradient: linear-gradient(120deg, var(--accent-cyan), var(--accent-violet));
  --gradient-soft: linear-gradient(135deg, rgba(0, 240, 192, 0.16), rgba(124, 92, 255, 0.16));

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --demo-notice-height: 38px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; scroll-padding-top: calc(var(--demo-notice-height) + 90px); }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; }

::selection { background: var(--accent-cyan); color: #04140f; }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Grain overlay for texture / premium feel */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease);
  white-space: nowrap;
}
.btn svg { transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary {
  background: var(--gradient);
  color: #04140f;
  box-shadow: 0 8px 30px -8px rgba(0, 240, 192, 0.45);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -8px rgba(0, 240, 192, 0.55); }

.btn--outline {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: var(--surface);
}
.btn--outline:hover { border-color: var(--accent-cyan); background: var(--accent-cyan-dim); transform: translateY(-2px); }

.btn--ghost { color: var(--text-dim); }
.btn--ghost:hover { color: var(--text); }

.btn--sm { padding: 10px 18px; font-size: 0.85rem; }
.btn--lg { padding: 17px 32px; font-size: 1rem; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.demo-notice {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1100;
  min-height: var(--demo-notice-height);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 8px 16px;
  background: #102327;
  border-bottom: 1px solid rgba(0, 240, 192, 0.18);
  color: #d1e9e6;
  font-size: 12px;
  line-height: 20px;
}
.demo-notice > span { font-weight: 600; }
.demo-notice a { color: var(--accent-cyan); text-decoration: underline; text-underline-offset: 3px; }
.demo-details { padding-top: 20px; padding-bottom: 32px; color: var(--text-dim); font-size: 12px; }
.demo-details strong { color: var(--text); font-weight: 500; }
@media (max-width: 380px) {
  .demo-notice { gap: 10px; padding-inline: 8px; font-size: 10px; }
}

.header {
  position: fixed;
  top: var(--demo-notice-height); left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: padding 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  padding: 12px 0;
  background: rgba(6, 10, 18, 0.75);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo__text { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.logo__text em { font-style: normal; color: var(--accent-cyan); }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--accent-cyan);
  transition: width 0.3s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 12px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 4px;
}
.burger span { width: 100%; height: 2px; background: var(--text); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: var(--demo-notice-height); right: 0;
  height: calc(100dvh - var(--demo-notice-height));
  width: min(78vw, 340px);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  padding: 100px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  z-index: 999;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav a { font-family: var(--font-display); font-size: 1.3rem; }
.mobile-nav .btn { margin-top: 12px; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(120px + var(--demo-notice-height));
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
#fiber-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; }

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
}
.hero__glow--1 { width: 560px; height: 560px; background: var(--accent-cyan); top: -180px; right: -120px; }
.hero__glow--2 { width: 460px; height: 460px; background: var(--accent-violet); bottom: -160px; left: -100px; }

.hero__inner { position: relative; z-index: 1; padding-bottom: 60px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 30px;
}
.eyebrow__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 0 4px var(--accent-cyan-dim);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-cyan-dim); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

.hero__title {
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  max-width: 15ch;
  margin-bottom: 26px;
}
.hero__title .word { display: inline-block; overflow: hidden; }

.hero__subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-dim);
  max-width: 46ch;
  margin-bottom: 44px;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 80px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 48px;
  border-top: 1px solid var(--border);
  padding-top: 36px;
}
.stat { display: flex; flex-direction: column; }
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  display: inline;
}
.stat__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--accent-cyan);
}
.stat__label { font-size: 0.82rem; color: var(--text-faint); margin-top: 6px; max-width: 16ch; }

.hero__scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  z-index: 1;
}
.hero__scroll-line { width: 1px; height: 40px; background: var(--border-strong); position: relative; overflow: hidden; }
.hero__scroll-line i {
  position: absolute; top: -40px; left: 0;
  width: 100%; height: 100%;
  background: var(--accent-cyan);
  animation: scrollLine 2.2s infinite var(--ease);
}
@keyframes scrollLine {
  0% { top: -40px; }
  60% { top: 40px; }
  100% { top: 40px; }
}

/* ==========================================================================
   MARQUEE
   ========================================================================== */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 22px 0;
  background: var(--bg-alt);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: 20px;
  animation: marquee 32s linear infinite;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-faint);
  white-space: nowrap;
}
.marquee__track span:nth-child(4n-2) { color: var(--accent-cyan); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   SECTION GENERIC
   ========================================================================== */
.section { padding: 130px 0; position: relative; }
.section--dark { background: var(--bg-alt); }

.section__head { max-width: 720px; margin-bottom: 72px; }
.section__head--split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  max-width: none;
}
.section__head--split .section__subtitle { max-width: 34ch; margin-bottom: 6px; }

.tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 18px;
}
.section__title { font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: 20px; }
.section__subtitle { color: var(--text-dim); font-size: 1.1rem; max-width: 52ch; }

/* Reveal animation base state (JS toggles .is-visible) */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   GRID / CARDS
   ========================================================================== */
.grid { display: grid; gap: 24px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}
.feature-card__icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--gradient-soft);
  color: var(--accent-cyan);
  margin-bottom: 22px;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-dim); font-size: 0.94rem; }

/* ---------- Reasons list ---------- */
.reasons-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.reasons-list li {
  background: var(--bg-alt);
  padding: 30px 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: background 0.35s var(--ease);
}
.reasons-list li:hover { background: var(--bg-elevated); }
.reasons-list__index {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent-violet);
  opacity: 0.7;
  flex-shrink: 0;
}
.reasons-list h4 { font-size: 1.02rem; margin-bottom: 6px; }
.reasons-list p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Steps ---------- */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.steps__line {
  position: absolute;
  top: 26px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  z-index: 0;
}
.step { position: relative; z-index: 1; }
.step__num {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 22px;
}
.step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 0.95rem; max-width: 32ch; }

/* ==========================================================================
   PRICING
   ========================================================================== */
.pricing { align-items: stretch; }
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.price-card:hover { transform: translateY(-8px); border-color: var(--border-strong); }

.price-card--featured {
  background: linear-gradient(180deg, rgba(0, 240, 192, 0.08), rgba(124, 92, 255, 0.05));
  border-color: rgba(0, 240, 192, 0.4);
  box-shadow: 0 20px 60px -20px rgba(0, 240, 192, 0.25);
}
.price-card__badge {
  position: absolute;
  top: -13px; left: 30px;
  background: var(--gradient);
  color: #04140f;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.price-card__name { font-size: 1.5rem; margin-bottom: 8px; }
.price-card__desc { color: var(--text-dim); font-size: 0.88rem; margin-bottom: 26px; min-height: 44px; }
.price-card__value {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.price-card__value .currency { font-size: 1.1rem; color: var(--text-dim); margin-right: 4px; }
.price-card__value .cents { font-size: 1.4rem; }
.price-card__value .period { font-size: 0.85rem; color: var(--text-faint); font-family: var(--font-body); font-weight: 500; margin-left: 4px; }

.price-card__features { display: flex; flex-direction: column; gap: 13px; margin-bottom: 32px; flex-grow: 1; }
.price-card__features li {
  font-size: 0.9rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-card__features li::before {
  content: '';
  width: 16px; height: 16px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent-cyan-dim);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M5 13l4 4L19 7' stroke='%2300f0c0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}
.price-card .btn { width: 100%; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { max-width: 820px; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--text);
  transition: color 0.3s var(--ease);
}
.faq__question svg { flex-shrink: 0; color: var(--accent-cyan); transition: transform 0.4s var(--ease); }
.faq__question[aria-expanded="true"] svg { transform: rotate(45deg); }
.faq__question:hover { color: var(--accent-cyan); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease), padding 0.45s var(--ease);
}
.faq__answer p { color: var(--text-dim); padding-bottom: 0; max-width: 62ch; font-size: 0.96rem; }
.faq__item.is-open .faq__answer { max-height: 220px; padding-bottom: 24px; }

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.cta-final { padding: 120px 0; text-align: center; position: relative; }
.cta-final__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 70px 50px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(circle at 50% 0%, rgba(0, 240, 192, 0.08), transparent 60%), var(--surface);
}
.cta-final h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 18px; }
.cta-final p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 38px; }
.cta-final__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 80px 0 0; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
}
.footer__brand p { color: var(--text-dim); font-size: 0.92rem; margin: 18px 0 20px; max-width: 34ch; }
.anatel-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
}
.footer__col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 18px; }
.footer__col a, .footer__col p { display: block; color: var(--text-dim); font-size: 0.92rem; margin-bottom: 12px; transition: color 0.3s var(--ease); }
.footer__col a:hover { color: var(--accent-cyan); }
.footer__hours { line-height: 1.7; }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  font-size: 0.82rem;
  color: var(--text-faint);
  text-align: center;
}

/* ==========================================================================
   WHATSAPP FAB
   ========================================================================== */
.whatsapp-fab {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--gradient);
  color: #04140f;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px -6px rgba(0, 240, 192, 0.5);
  z-index: 800;
  transition: transform 0.35s var(--ease);
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; gap: 50px; }
  .steps__line { display: none; }
  .hero__stats { grid-template-columns: repeat(2, auto); row-gap: 32px; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .header__actions .btn--ghost, .header__actions .btn--primary { display: none; }
  .burger { display: flex; }
  .section__head--split { flex-direction: column; align-items: flex-start; }
  .reasons-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .grid--4 { grid-template-columns: 1fr; }
  .hero { padding-top: calc(110px + var(--demo-notice-height)); }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 90px 0; }
  .cta-final__inner { padding: 50px 26px; }
  .cta-final__actions { flex-direction: column; }
  .cta-final__actions .btn { width: 100%; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}