/* ============================================================
   RAYNEO AIR 4 PRO — HOLOGRAPHIC AR INTERFACE
   Design: Dark tech aesthetic · Electric cyan · Premium
   ============================================================ */

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

:root {
  --bg:        #050508;
  --bg2:       #08080f;
  --surface:   rgba(255,255,255,0.03);
  --border:    rgba(255,255,255,0.07);
  --cyan:      #00d4ff;
  --cyan-dim:  rgba(0, 212, 255, 0.15);
  --purple:    #7c3aed;
  --green:     #25d366;
  --green-dk:  #1aa84d;
  --text:      #f0f0f5;
  --muted:     #a8adc6;
  --radius:    16px;
  --font:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* CANVAS BACKGROUND */
#canvas-bg {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.6;
}

/* GRADIENT TEXT */
.gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--cyan) 60%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* REVEAL ANIMATION */
[data-reveal] {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s cubic-bezier(.16,1,.3,1), transform 0.9s cubic-bezier(.16,1,.3,1);
}
[data-reveal].visible { opacity: 1; transform: translateY(0); }

/* ── NAV ─────────────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 0 32px;
  background: rgba(5,5,8,0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 8px var(--cyan); }
  50%      { box-shadow: 0 0 20px var(--cyan), 0 0 40px rgba(0,212,255,0.3); }
}
.nav-logo { font-size: 1rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.85rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--green); color: #000;
  padding: 9px 22px; border-radius: 30px;
  font-size: 0.82rem; font-weight: 700; text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 20px rgba(37,211,102,0.3);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 0 32px rgba(37,211,102,0.5); }

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  max-width: 1200px; margin: 0 auto;
  padding: 130px 40px 80px;
  display: flex; align-items: center; gap: 60px; flex-wrap: wrap;
}
.hero-left { flex: 1; min-width: 300px; max-width: 540px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--cyan);
  padding: 7px 16px; border-radius: 30px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); flex-shrink: 0;
  animation: pulse-dot 1.5s infinite;
}

.hero-title {
  display: flex; flex-direction: column;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 900; line-height: 0.95; letter-spacing: -0.05em;
  margin-bottom: 24px;
}
.title-line { display: block; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400; color: var(--muted);
  min-height: 1.8em; margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.cursor {
  display: inline-block; color: var(--cyan);
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc { font-size: 0.95rem; line-height: 1.75; color: var(--muted); margin-bottom: 40px; }
.hero-desc strong { color: #fff; font-weight: 600; }

.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-wa {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--green); color: #000;
  padding: 15px 30px; border-radius: 50px;
  font-size: 0.95rem; font-weight: 700; text-decoration: none;
  box-shadow: 0 0 30px rgba(37,211,102,0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-wa svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-wa:hover { transform: scale(1.05); box-shadow: 0 0 50px rgba(37,211,102,0.6); }
.btn-wa--xl { padding: 20px 44px; font-size: 1.1rem; }
.btn-wa--xl svg { width: 24px; height: 24px; }
.btn-ghost {
  color: var(--muted); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.btn-ghost:hover { color: #fff; }

/* ── HERO RIGHT (product image) ──────────────────────────────── */
.hero-right {
  flex: 1; min-width: 280px; max-width: 560px;
  position: relative; display: flex; justify-content: center; align-items: center;
}
.product-glow {
  position: absolute; width: 70%; height: 70%;
  background: radial-gradient(ellipse, rgba(0,212,255,0.25) 0%, transparent 70%);
  border-radius: 50%; filter: blur(40px);
  animation: float-glow 4s ease-in-out infinite;
}
@keyframes float-glow {
  0%,100% { transform: translateY(0) scale(1); opacity: 0.8; }
  50%      { transform: translateY(-16px) scale(1.05); opacity: 1; }
}
.hero-product {
  width: 100%; max-width: 480px; border-radius: 24px;
  position: relative; z-index: 1;
  animation: float-img 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 60px rgba(0,212,255,0.2));
}
@keyframes float-img {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* HUD CHIPS */
.hud-chip {
  position: absolute; z-index: 2;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--cyan); font-size: 0.7rem; font-weight: 700;
  padding: 6px 12px; border-radius: 20px; letter-spacing: 0.06em;
  backdrop-filter: blur(8px);
}
.hud-chip span { color: rgba(0,212,255,0.6); font-weight: 400; margin-left: 4px; }
.hud-top  { top: 10%; right: 5%; }
.hud-side { top: 50%; right: -5%; transform: translateY(-50%); }
.hud-bot  { bottom: 12%; left: 8%; }

/* ── MARQUEE ─────────────────────────────────────────────────── */
.marquee-wrap {
  position: relative; z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0,212,255,0.03);
  padding: 18px 0;
}
.marquee-track {
  display: flex; align-items: center; gap: 28px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee-track span { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; color: var(--muted); }
.marquee-track em   { color: var(--cyan); font-style: normal; font-size: 0.55rem; opacity: 0.6; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── FEATURES ────────────────────────────────────────────────── */
.features { position: relative; z-index: 1; }

.feature-block {
  display: flex; align-items: center; gap: 80px;
  max-width: 1200px; margin: 0 auto;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
}
.feature-block.feature-reverse { flex-direction: row-reverse; }

.feature-media {
  flex: 1; min-width: 260px; max-width: 540px;
  position: relative; border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border);
}
.feature-media img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; }

/* Scan line effect on images */
.feature-scan {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 0%, rgba(0,212,255,0.06) 50%, transparent 100%);
  background-size: 100% 6px;
  animation: scan 3s linear infinite;
  pointer-events: none;
}
@keyframes scan { from { background-position: 0 -100%; } to { background-position: 0 200%; } }

.feature-text { flex: 1; min-width: 260px; }
.feat-tag {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--cyan);
  margin-bottom: 20px;
}
.feature-text h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.0; letter-spacing: -0.04em;
  color: #fff; margin-bottom: 24px;
}
.feature-text p { font-size: 1rem; line-height: 1.75; color: var(--muted); margin-bottom: 32px; }
.feature-text p strong { color: #fff; font-weight: 600; }

.feat-stats { display: flex; gap: 32px; }
.feat-stat { display: flex; flex-direction: column; gap: 4px; }
.feat-stat strong { font-size: 2.5rem; font-weight: 900; letter-spacing: -0.04em; color: var(--cyan); line-height: 1; }
.feat-stat span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }

.feat-badge {
  display: inline-flex; align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text); padding: 10px 18px; border-radius: 10px;
  font-size: 0.82rem; font-weight: 600;
}
.feat-badge--cyan {
  background: rgba(0,212,255,0.07);
  border-color: rgba(0,212,255,0.25);
  color: var(--cyan);
}

/* AI Visual */
.ai-visual {
  flex: 1; min-width: 260px; max-width: 460px;
  display: flex; flex-direction: column; align-items: center; gap: 40px;
}
.ai-circle {
  width: 240px; height: 240px;
  border-radius: 50%; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.ai-ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(0,212,255,0.3);
  animation: spin-ring 6s linear infinite;
}
.r1 { width: 100%; height: 100%; border-color: rgba(0,212,255,0.15); animation-duration: 12s; }
.r2 { width: 75%; height: 75%; border-color: rgba(0,212,255,0.25); animation-duration: 8s; animation-direction: reverse; }
.r3 { width: 50%; height: 50%; border-color: rgba(0,212,255,0.4); animation-duration: 5s; }
@keyframes spin-ring { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.ai-label {
  position: relative; z-index: 1;
  font-size: 1.1rem; font-weight: 900; color: var(--cyan);
  text-align: center; line-height: 1.2; letter-spacing: 0.05em;
}
.ai-arrows { display: flex; flex-direction: column; gap: 16px; }
.ai-arrow {
  background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.2);
  color: var(--muted); padding: 12px 24px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 600; text-align: center;
}
.ai-arrow span { color: var(--cyan); font-weight: 900; margin: 0 6px; }

/* ── SPECS HUD ────────────────────────────────────────────────── */
.specs-hud {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto;
  padding: 120px 40px; overflow: hidden;
}
.hud-header { margin-bottom: 64px; }
.hud-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--cyan); margin-bottom: 16px; font-family: monospace;
}
.hud-header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.0; letter-spacing: -0.04em;
}
.hud-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 20px; overflow: hidden;
  position: relative;
}
.hud-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid rgba(0,212,255,0.08);
  border-right: 1px solid rgba(0,212,255,0.08);
  transition: background 0.25s;
}
.hud-item:nth-child(even) { border-right: none; }
.hud-item:nth-last-child(-n+2) { border-bottom: none; }
.hud-item:hover { background: rgba(0,212,255,0.04); }
.hud-k { font-size: 0.82rem; color: var(--muted); font-weight: 500; }
.hud-v { font-size: 0.88rem; color: #fff; font-weight: 600; text-align: right; }
.hud-v.cyan { color: var(--cyan); }

/* Animated scan line on specs */
.hud-scanline {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
  animation: hud-scan 3.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes hud-scan {
  0%   { top: 0%; opacity: 0; }
  10%  { opacity: 0.5; }
  90%  { opacity: 0.5; }
  100% { top: 100%; opacity: 0; }
}

/* ── CTA SECTION ─────────────────────────────────────────────── */
.cta-section {
  position: relative; z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding: 140px 40px;
  text-align: center;
}
.cta-aurora {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(124,58,237,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 80% 50%, rgba(0,212,255,0.12) 0%, transparent 60%);
  animation: aurora-shift 8s ease-in-out infinite alternate;
}
@keyframes aurora-shift {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 1; transform: scale(1.05); }
}
.cta-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.cta-img {
  width: 100%; max-width: 420px; border-radius: 24px; margin-bottom: 56px;
  border: 1px solid rgba(0,212,255,0.12);
  filter: drop-shadow(0 30px 80px rgba(0,212,255,0.15));
}
.cta-eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 20px;
}
.cta-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.04em;
  color: #fff; margin-bottom: 20px;
}
.cta-sub { font-size: 1rem; color: var(--muted); margin-bottom: 48px; }
.trust-row {
  display: flex; justify-content: center; gap: 32px;
  flex-wrap: wrap; margin-top: 28px;
}
.trust-row span { font-size: 0.78rem; color: var(--muted); font-weight: 500; }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  position: relative; z-index: 1;
  padding: 40px 24px; text-align: center;
  border-top: 1px solid var(--border);
}
.footer p { font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
.footer-sub { font-size: 0.72rem !important; opacity: 0.4; }

/* ── FLOATING WA BUTTON ──────────────────────────────────────── */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 62px; height: 62px; border-radius: 50%;
  background: var(--green); color: #000;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 30px rgba(37,211,102,0.5);
  transition: transform 0.25s, box-shadow 0.25s;
  animation: wa-pulse 2.5s ease-in-out infinite;
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { transform: scale(1.12); box-shadow: 0 0 50px rgba(37,211,102,0.8); animation: none; }
@keyframes wa-pulse {
  0%,100% { box-shadow: 0 0 30px rgba(37,211,102,0.5); }
  50%      { box-shadow: 0 0 50px rgba(37,211,102,0.8), 0 0 80px rgba(37,211,102,0.3); }
}


/* ── SECTION HEADER (shared) ─────────────────────────────── */
.section-header {
  max-width: 1200px; margin: 0 auto 64px;
  padding: 0 40px;
}
.section-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--cyan);
  font-family: monospace; margin-bottom: 20px;
}
.section-header h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.04em;
  color: #fff;
}

/* ── HERO BULLETS ────────────────────────────────────────── */
.hero-bullets {
  list-style: none; margin-bottom: 40px;
  display: flex; flex-direction: column; gap: 10px;
}
.hero-bullets li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--muted); font-weight: 500;
}
.bullet-icon { color: var(--cyan); font-size: 0.8rem; flex-shrink: 0; }

/* ── CONNECTION BAND ─────────────────────────────────────── */
.connection-band {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0,212,255,0.02);
  padding: 100px 40px;
}
.connection-inner {
  max-width: 760px; margin: 0 auto; text-align: center;
}
.conn-question {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700; color: var(--text); line-height: 1.4;
  margin-bottom: 28px;
}
.conn-question em { font-style: italic; color: var(--cyan); }
.conn-answer {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900; letter-spacing: -0.05em;
  color: var(--cyan); line-height: 1;
  margin-bottom: 36px;
  text-shadow: 0 0 60px rgba(0,212,255,0.5);
}
.conn-text {
  font-size: 1.05rem; line-height: 1.8; color: var(--muted);
  margin-bottom: 16px;
}

/* ── MOTIVOS (3 grandes motivos) ──────────────────────────── */
.motivos {
  position: relative; z-index: 1;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
}
.motivos-grid {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0;
}
.motivo-card {
  display: flex; align-items: center; gap: 80px;
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.motivo-card:nth-child(even) { flex-direction: row-reverse; }
.motivo-card:last-child { border-bottom: none; }
.motivo-img {
  flex: 1; min-width: 260px; max-width: 500px;
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.motivo-img img {
  width: 100%; display: block;
  aspect-ratio: 16/10; object-fit: cover;
  transition: transform 0.6s ease;
}
.motivo-img:hover img { transform: scale(1.04); }
.motivo-body { flex: 1; min-width: 260px; }
.motivo-num {
  display: block;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--cyan); font-family: monospace;
  margin-bottom: 16px;
}
.motivo-body h3 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.03em;
  color: #fff; margin-bottom: 20px;
}
.motivo-body p {
  font-size: 0.97rem; line-height: 1.8; color: var(--muted);
}

/* ── USOS REAIS ──────────────────────────────────────────── */
.usos {
  position: relative; z-index: 1;
  padding: 120px 40px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}
.usos-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.uso-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 36px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.uso-card:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
  background: rgba(0,212,255,0.04);
}
.uso-icon { font-size: 2rem; margin-bottom: 18px; display: block; }
.uso-card h4 {
  font-size: 1.05rem; font-weight: 700; color: #fff;
  margin-bottom: 14px; line-height: 1.3;
}
.uso-card p { font-size: 0.9rem; line-height: 1.75; color: var(--muted); }


/* ── PERCEPÇÃO ───────────────────────────────────────────── */
.percepcao {
  position: relative; z-index: 1;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.05) 50%, transparent 100%);
}
.percepcao-inner {
  max-width: 860px; margin: 0 auto; text-align: center;
}
.percepcao-inner h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.04em;
  color: #fff; margin-bottom: 28px;
}
.percepcao-lead {
  font-size: 1.2rem; font-weight: 500; color: var(--text);
  margin-bottom: 16px; line-height: 1.6;
}
.percepcao-text {
  font-size: 1rem; color: var(--muted); margin-bottom: 60px; line-height: 1.75;
}
.percepcao-trio {
  display: flex; justify-content: center; gap: 32px;
  flex-wrap: wrap; margin-bottom: 48px;
}
.pt-item {
  flex: 1; min-width: 180px; max-width: 240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 24px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}
.pt-item:hover {
  border-color: rgba(124,58,237,0.4);
  transform: translateY(-4px);
}
.pt-icon { font-size: 2rem; display: block; margin-bottom: 16px; }
.pt-item p { font-size: 0.92rem; line-height: 1.6; color: var(--muted); }
.pt-item p strong { color: #fff; font-weight: 700; }
.percepcao-close {
  font-size: 1rem; color: var(--muted); line-height: 1.8;
}
.percepcao-close strong { color: var(--cyan); font-weight: 600; }

/* ── TECH VENDA ──────────────────────────────────────────── */
.tech-venda {
  position: relative; z-index: 1;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
}
.tech-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 30px;
  transition: border-color 0.3s, transform 0.3s;
}
.tech-card:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-4px); }
.tech-icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}
.tech-icon-wrap.cyan {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--cyan);
}
.tech-icon-wrap.purple {
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  color: #a78bfa;
}
.tech-card h4 {
  font-size: 1rem; font-weight: 700; color: #fff;
  margin-bottom: 12px; line-height: 1.3;
}
.tech-card p { font-size: 0.88rem; line-height: 1.75; color: var(--muted); }

/* ── B2B ─────────────────────────────────────────────────── */
.b2b {
  position: relative; z-index: 1;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
}
.b2b-inner { max-width: 1200px; margin: 0 auto; }
.b2b-header { margin-bottom: 64px; }
.b2b-header h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.04em;
  color: #fff; margin-bottom: 16px;
}
.b2b-sub {
  font-size: 1rem; color: var(--muted); line-height: 1.75;
  max-width: 600px;
}
.b2b-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 56px;
}
.b2b-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 32px;
  transition: border-color 0.3s, transform 0.3s;
}
.b2b-card:hover {
  border-color: rgba(124,58,237,0.35);
  transform: translateY(-4px);
  background: rgba(124,58,237,0.05);
}
.b2b-emoji { font-size: 2rem; display: block; margin-bottom: 18px; }
.b2b-card h4 {
  font-size: 1.05rem; font-weight: 700; color: #fff;
  margin-bottom: 12px;
}
.b2b-card p { font-size: 0.9rem; line-height: 1.75; color: var(--muted); }
.b2b-cta { text-align: center; }

/* ── OBJECTIONS ──────────────────────────────────────────── */
.objections {
  position: relative; z-index: 1;
  padding: 120px 40px;
  border-bottom: 1px solid var(--border);
}
.obj-list {
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0;
}
.obj-item {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.obj-item:last-child { border-bottom: none; }
.obj-q {
  font-size: 1.15rem; font-weight: 700; color: #fff;
  margin-bottom: 14px; font-style: italic;
}
.obj-a {
  font-size: 0.97rem; line-height: 1.8; color: var(--muted);
}



/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .feature-block, .feature-block.feature-reverse { flex-direction: column; gap: 40px; padding: 80px 24px; }
  .feature-media { max-width: 100%; }
  .ai-visual { max-width: 100%; }
  .hud-grid { grid-template-columns: 1fr; }
  .hud-item { border-right: none; }
  .hud-item:nth-last-child(-n+2) { border-bottom: 1px solid rgba(0,212,255,0.08); }
  .hud-item:last-child { border-bottom: none; }
  .nav-links { display: none; }

  /* New sections responsive */
  .motivo-card, .motivo-card:nth-child(even) {
    flex-direction: column; gap: 40px; padding: 60px 0;
  }
  .motivo-img { max-width: 100%; }
  .usos-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .b2b-grid { grid-template-columns: 1fr; }
  .percepcao-trio { gap: 16px; }
}
@media (max-width: 600px) {
  .hero { padding: 110px 20px 60px; }
  .hero-title { font-size: clamp(3rem, 13vw, 5rem); }
  .hud-chip { display: none; }
  .specs-hud, .cta-section { padding: 80px 20px; }
  .btn-wa--xl { padding: 16px 28px; font-size: 0.95rem; }
  .cta-title { font-size: clamp(2rem, 10vw, 3.5rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }

  /* Contraste reforçado no mobile */
  :root { --muted: #c0c4d8; }

  /* New sections mobile */
  .motivos, .usos, .percepcao, .tech-venda, .b2b, .objections,
  .connection-band { padding: 80px 20px; }
  .section-header { padding: 0 20px; margin-bottom: 48px; }
  .tech-grid { grid-template-columns: 1fr; }
  .pt-item { min-width: 140px; padding: 28px 16px; }
  .conn-answer { font-size: clamp(2.5rem, 12vw, 4rem); }
  .b2b-header h2 { font-size: clamp(1.8rem, 8vw, 2.8rem); }
}