/* =========================================================
   PENDRIVE VIRTUAL IA — design system
   Dark premium · neon · Apple-like · futurista
   ========================================================= */

:root {
  --bg-0: #05060a;
  --bg-1: #090b14;
  --bg-2: #0d1020;
  --bg-3: #141833;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);

  --fg-0: #f6f8ff;
  --fg-1: #c8cee3;
  --fg-2: #8a91ad;
  --fg-3: #5b6280;

  --neon: #00e5ff;
  --neon-2: #7c5cff;
  --neon-3: #ff3cf6;
  --green: #2ee59d;
  --red: #ff5577;

  --grad-1: linear-gradient(135deg, #00e5ff 0%, #7c5cff 50%, #ff3cf6 100%);
  --grad-2: linear-gradient(135deg, #00e5ff 0%, #7c5cff 100%);
  --grad-soft: linear-gradient(180deg, rgba(124,92,255,0.15) 0%, rgba(0,229,255,0.05) 100%);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-glow: 0 0 60px rgba(0,229,255,0.25), 0 0 120px rgba(124,92,255,0.15);
  --shadow-card: 0 30px 80px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --container: 1200px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--fg-0);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BACKGROUND ATMOSFERA ---------- */
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none; z-index: 0;
}
.bg-orb {
  position: fixed; border-radius: 50%;
  filter: blur(120px); opacity: 0.55;
  pointer-events: none; z-index: 0;
}
.bg-orb-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #00e5ff 0%, transparent 70%);
  top: -120px; left: -120px;
  animation: orbFloat 18s var(--ease) infinite;
}
.bg-orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7c5cff 0%, transparent 70%);
  top: 40%; right: -180px;
  animation: orbFloat 22s var(--ease) infinite reverse;
}
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(40px,-30px) scale(1.05); }
}
.bg-noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.6'/></svg>");
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- HEADER ---------- */
.site-header {
  padding: 22px 0;
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(5,6,10,0.55);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex; justify-content: space-between; align-items: center;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: 0.3px;
}
.brand-mark {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--grad-2);
  color: #05060a;
  box-shadow: 0 8px 24px rgba(0,229,255,0.35);
}
.brand-name { font-size: 17px; }
.brand-accent { color: var(--neon); }

.header-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--fg-2);
  letter-spacing: 0.5px; text-transform: uppercase;
  font-weight: 600;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(46,229,157,0.18);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(46,229,157,0.18); }
  50%     { box-shadow: 0 0 0 8px rgba(46,229,157,0.05); }
}

/* ---------- TIPOGRAFIA ---------- */
.h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 22px;
}
.h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 700;
}
.lede { font-size: clamp(16px, 1.4vw, 19px); color: var(--fg-1); max-width: 560px; margin-bottom: 28px; }
.muted { color: var(--fg-2); }

.grad-text {
  background: var(--grad-1);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradShift 8s ease infinite;
}
@keyframes gradShift {
  0%,100% { background-position: 0% 50%; }
  50%     { background-position: 100% 50%; }
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-2);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  margin-bottom: 22px;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
}

.section-head { text-align: center; margin-bottom: 56px; }
.section-head .eyebrow { margin: 0 auto 18px; }

/* ---------- BOTÕES ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-sans); font-weight: 600;
  padding: 14px 26px;
  border-radius: 14px;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
  overflow: hidden;
}
.btn-lg { padding: 18px 32px; font-size: 17px; }
.btn:disabled { cursor: not-allowed; }
.btn:not(:disabled):hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad-2);
  color: #05060a;
  box-shadow: 0 18px 40px -12px rgba(0,229,255,0.55);
}
.btn-primary:hover { box-shadow: 0 22px 50px -10px rgba(0,229,255,0.7); }

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  color: var(--fg-0);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }

.btn-glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.35), transparent 60%);
  opacity: 0; transition: opacity .25s;
  pointer-events: none;
}
.btn:hover .btn-glow { opacity: 1; }

.btn-install {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  width: 100%; max-width: 460px;
  padding: 22px 32px;
  font-size: 18px; font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--fg-2);
  margin: 0 auto;
  position: relative;
  transition: all .35s var(--ease);
}
.btn-install:disabled { opacity: 0.7; }
.btn-install.is-ready {
  background: var(--grad-2);
  color: #05060a;
  border-color: transparent;
  cursor: pointer;
  opacity: 1;
  box-shadow: 0 18px 40px -10px rgba(0,229,255,0.6), 0 0 80px rgba(0,229,255,0.25);
  animation: readyPulse 2.4s ease-in-out infinite;
}
.btn-install.is-ready:hover { transform: translateY(-3px) scale(1.01); }
@keyframes readyPulse {
  0%,100% { box-shadow: 0 18px 40px -10px rgba(0,229,255,0.6), 0 0 80px rgba(0,229,255,0.25); }
  50%     { box-shadow: 0 18px 40px -10px rgba(0,229,255,0.8), 0 0 120px rgba(0,229,255,0.4); }
}
.btn-install-icon {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(0,0,0,0.25);
}
.btn-install.is-ready .btn-install-icon { background: rgba(255,255,255,0.25); }

/* ---------- HERO ---------- */
.hero {
  padding: 80px 0 60px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: 60px; align-items: center;
}
.hero-bullets {
  list-style: none; margin: 0 0 36px; padding: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.hero-bullets li {
  display: flex; gap: 12px; align-items: center;
  color: var(--fg-1);
}
.check {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(46,229,157,0.15);
  color: var(--green);
  font-size: 13px; font-weight: 700;
}
.hero-cta-row {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.cta-meta { color: var(--fg-2); font-size: 14px; }
.cta-meta strong { color: var(--fg-0); }

/* Pendrive 3D */
.hero-visual { position: relative; perspective: 1200px; min-height: 460px; }
.device {
  position: relative;
  width: 360px; height: 220px;
  margin: 0 auto;
  transform-style: preserve-3d;
  animation: deviceFloat 6s ease-in-out infinite;
}
@keyframes deviceFloat {
  0%,100% { transform: translateY(0) rotateY(-12deg) rotateX(8deg); }
  50%     { transform: translateY(-14px) rotateY(-8deg) rotateX(6deg); }
}
.device-glow {
  position: absolute; inset: -60px;
  background: radial-gradient(ellipse, rgba(0,229,255,0.4), transparent 60%);
  filter: blur(40px);
}
.device-body {
  position: absolute; inset: 0;
  background: linear-gradient(140deg, #1a1f3a 0%, #0a0d1c 100%);
  border-radius: 18px;
  border: 1px solid rgba(0,229,255,0.3);
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,0.08);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 22px;
  overflow: hidden;
}
.device-body::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(0,229,255,0.12) 50%, transparent 70%);
  animation: shine 4s linear infinite;
}
@keyframes shine { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.device-led {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 14px var(--neon);
  align-self: flex-end;
  animation: led 1.2s ease-in-out infinite;
}
@keyframes led { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.device-screen { display: flex; flex-direction: column; gap: 6px; }
.device-line { height: 8px; border-radius: 4px; background: rgba(0,229,255,0.3); width: 70%; }
.device-line:nth-child(2) { width: 90%; background: rgba(124,92,255,0.4); }
.device-line.short { width: 40%; }
.device-label {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.3em; color: var(--neon);
  align-self: flex-end;
}
.device-connector {
  position: absolute;
  right: -56px; top: 50%; transform: translateY(-50%);
  width: 56px; height: 80px;
  background: linear-gradient(90deg, #2a2f4a, #1a1f3a);
  border-radius: 0 8px 8px 0;
  display: flex; align-items: center; justify-content: center; gap: 4px;
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 0;
}
.device-connector span {
  width: 3px; height: 30px; background: rgba(255,255,255,0.4);
  border-radius: 2px;
}
.device-ring {
  position: absolute; inset: 50% auto auto 50%;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.2);
  transform: translate(-50%,-50%);
  animation: ringPulse 4s ease-in-out infinite;
}
.device-ring-2 { width: 320px; height: 320px; animation-delay: 1.3s; border-color: rgba(124,92,255,0.18); }
.device-ring-3 { width: 440px; height: 440px; animation-delay: 2.6s; border-color: rgba(255,60,246,0.12); }
@keyframes ringPulse {
  0%,100% { opacity: 0.4; transform: translate(-50%,-50%) scale(0.95); }
  50%     { opacity: 0.9; transform: translate(-50%,-50%) scale(1.05); }
}

/* ---------- VSL SECTION ---------- */
.vsl-section { padding: 60px 0; }
.vsl-card {
  max-width: 920px; margin: 0 auto;
  background: linear-gradient(180deg, rgba(20,24,51,0.6) 0%, rgba(13,16,32,0.9) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.vsl-card::before {
  content: ''; position: absolute; inset: -1px;
  background: var(--grad-1); opacity: 0.4;
  border-radius: var(--radius-xl);
  z-index: -1;
  filter: blur(2px);
}
.vsl-head { text-align: center; margin-bottom: 28px; }
.vsl-step {
  display: inline-block;
  font-family: var(--font-display); font-size: 11px;
  color: var(--neon); letter-spacing: 0.3em; text-transform: uppercase;
  margin-bottom: 12px;
}

.vsl-frame {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line-strong);
}
.vsl-frame iframe { width: 100%; height: 100%; border: 0; }
.vsl-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  background:
    radial-gradient(circle at 50% 40%, rgba(0,229,255,0.18), transparent 60%),
    linear-gradient(180deg, #0a0d1c, #050610);
  cursor: pointer;
  transition: background .3s;
}
.vsl-placeholder:hover { background:
    radial-gradient(circle at 50% 40%, rgba(0,229,255,0.28), transparent 60%),
    linear-gradient(180deg, #0a0d1c, #050610);
}
.vsl-placeholder.is-playing .vsl-play { animation: playPulse 1.5s infinite; }
.vsl-placeholder-label { font-family: var(--font-display); color: var(--fg-1); font-size: 16px; }
.vsl-placeholder-sub { font-size: 13px; color: var(--fg-3); }
@keyframes playPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.vsl-progress {
  margin-top: 18px;
  display: flex; align-items: center; gap: 14px;
  font-size: 12px; color: var(--fg-2);
}
.vsl-progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.vsl-progress-bar::after {
  content: ''; position: absolute; inset: 0; right: auto;
  width: var(--p, 0%);
  background: var(--grad-2);
  border-radius: 999px;
  transition: width .4s linear;
  box-shadow: 0 0 12px rgba(0,229,255,0.6);
}
.vsl-progress-label { white-space: nowrap; font-family: var(--font-display); }

.install-cta { margin-top: 32px; text-align: center; }
.install-cta-meta { color: var(--fg-2); font-size: 13px; margin-top: 14px; }
.install-cta-meta.is-ready { color: var(--neon); }

/* ---------- HOW ---------- */
.how { padding: 100px 0 60px; }
.how-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.how-card {
  padding: 32px;
  background: linear-gradient(180deg, rgba(20,24,51,0.5), rgba(9,11,20,0.5));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform .3s var(--ease), border-color .3s;
}
.how-card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,0.3); }
.how-num {
  font-family: var(--font-display); font-size: 14px;
  color: var(--neon); letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.how-card h3 { font-family: var(--font-display); font-size: 20px; margin-bottom: 8px; }
.how-card p { color: var(--fg-2); font-size: 15px; }

/* ---------- PROOF ---------- */
.proof { padding: 80px 0; }
.proof-card {
  max-width: 980px; margin: 0 auto;
  text-align: center;
  background: linear-gradient(180deg, rgba(124,92,255,0.08), rgba(0,229,255,0.04));
  border: 1px solid rgba(124,92,255,0.25);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
}
.proof-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.18), transparent 60%);
  pointer-events: none;
}
.proof-card .h2 { margin: 18px 0 32px; }
.proof-numbers {
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap;
  margin: 28px 0 32px;
}
.proof-num { display: flex; flex-direction: column; gap: 4px; min-width: 180px; }
.proof-num strong {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  background: var(--grad-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.proof-num span { color: var(--fg-2); font-size: 13px; }
.proof-divider {
  width: 1px; height: 40px;
  background: var(--line-strong);
}
.proof-disclaimer {
  font-size: 12px; color: var(--fg-3);
  max-width: 720px; margin: 0 auto;
  line-height: 1.7;
}

/* ---------- FINAL CTA ---------- */
.final-cta { padding: 80px 0; text-align: center; }
.final-cta .h2 { margin-bottom: 12px; }
.final-cta .muted { margin-bottom: 28px; }

/* ---------- FOOTER ---------- */
.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  margin-top: 40px;
  font-size: 13px;
  color: var(--fg-2);
}
.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   APP — experiência interativa (pendrive virtual)
   ========================================================= */

.app-shell {
  min-height: 100vh;
  display: flex; flex-direction: column;
  position: relative; z-index: 1;
}
.app-stage {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 60px 20px;
}
.app-card {
  width: 100%; max-width: 720px;
  background: linear-gradient(180deg, rgba(20,24,51,0.85) 0%, rgba(9,11,20,0.95) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.app-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,229,255,0.12), transparent 50%);
  pointer-events: none;
}

.app-step-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 11px;
  color: var(--neon); letter-spacing: 0.3em; text-transform: uppercase;
  margin-bottom: 18px;
}
.app-step-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon); box-shadow: 0 0 8px var(--neon);
}

.app-h {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.15; letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.app-sub { color: var(--fg-2); margin-bottom: 32px; }

.app-progress {
  display: flex; gap: 6px; margin-bottom: 36px;
}
.app-progress span {
  flex: 1; height: 4px; border-radius: 999px;
  background: rgba(255,255,255,0.06);
  transition: background .3s;
}
.app-progress span.is-done { background: var(--neon); box-shadow: 0 0 10px rgba(0,229,255,0.5); }
.app-progress span.is-active { background: var(--grad-2); }

/* Choices grid */
.choice-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; margin-bottom: 28px;
}
.choice {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .25s var(--ease);
  text-align: left;
  width: 100%;
}
.choice:hover { background: rgba(0,229,255,0.06); border-color: rgba(0,229,255,0.4); transform: translateY(-1px); }
.choice.is-selected {
  background: rgba(0,229,255,0.1);
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.15), 0 8px 28px -8px rgba(0,229,255,0.4);
}
.choice-emoji { font-size: 24px; flex-shrink: 0; }
.choice-text { flex: 1; }
.choice-text strong { display: block; font-weight: 600; margin-bottom: 2px; }
.choice-text span { font-size: 13px; color: var(--fg-2); }

.app-actions {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.app-back {
  font-size: 14px; color: var(--fg-2);
  display: inline-flex; align-items: center; gap: 6px;
}
.app-back:hover { color: var(--fg-0); }

/* Generating animation */
.generating {
  text-align: center;
  padding: 24px 0 12px;
}
.generating-icon {
  width: 96px; height: 96px;
  margin: 0 auto 28px;
  position: relative;
}
.gen-orbit {
  position: absolute; inset: 0;
  border: 1.5px solid rgba(0,229,255,0.3);
  border-top-color: var(--neon);
  border-radius: 50%;
  animation: spin 1.6s linear infinite;
}
.gen-orbit-2 {
  inset: 14px;
  border-color: rgba(124,92,255,0.3);
  border-top-color: var(--neon-2);
  animation-duration: 2.2s;
  animation-direction: reverse;
}
.gen-orbit-3 {
  inset: 28px;
  border-color: rgba(255,60,246,0.3);
  border-top-color: var(--neon-3);
  animation-duration: 2.8s;
}
.gen-core {
  position: absolute; inset: 36px;
  border-radius: 50%;
  background: var(--grad-1);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.gen-log {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 13px;
  text-align: left;
  max-width: 420px; margin: 0 auto;
}
.gen-log li {
  display: flex; align-items: center; gap: 10px;
  color: var(--fg-3);
  opacity: 0; transform: translateX(-8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), color .3s;
}
.gen-log li.is-visible { opacity: 1; transform: translateX(0); }
.gen-log li.is-active { color: var(--fg-1); }
.gen-log li.is-done { color: var(--green); }
.gen-log li::before {
  content: '▸'; color: var(--neon);
}
.gen-log li.is-done::before { content: '✓'; color: var(--green); }
.gen-log .gen-pct { margin-left: auto; font-size: 11px; opacity: 0.7; }

/* ---------- PREVIEW ---------- */
.preview-card {
  max-width: 880px;
}
.preview-grid {
  display: grid; grid-template-columns: 280px 1fr;
  gap: 32px; margin-bottom: 28px;
}
.cover {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  background: var(--grad-2);
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px -15px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.06);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 28px 22px;
  color: #05060a;
  transform: perspective(900px) rotateY(-4deg) rotateX(2deg);
  transition: transform .4s var(--ease);
}
.cover:hover { transform: perspective(900px) rotateY(0) rotateX(0) scale(1.02); }
.cover::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  z-index: 1;
}
/* Imagem real da capa por nicho — fica abaixo do texto */
.cover-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  border-radius: inherit;
}
/* Quando há imagem: aplicamos gradiente escuro no rodapé para legibilidade do título */
.cover.has-img { color: #fff; }
.cover.has-img::before {
  background:
    linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.0) 35%, rgba(0,0,0,0.55) 70%, rgba(0,0,0,0.85) 100%),
    linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%);
}
.cover.has-img .cover-author { border-color: rgba(255,255,255,0.25); }
/* Quando a imagem da capa já tem título embutido, não duplicamos no overlay */
.cover.has-img .cover-text { display: none; }
/* Texto sempre acima de imagem e overlay */
.cover-tag, .cover-text, .cover-author { position: relative; z-index: 2; }
.cover-tag {
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.3em; text-transform: uppercase;
  background: rgba(0,0,0,0.25);
  padding: 6px 10px; border-radius: 6px;
  align-self: flex-start;
  position: relative;
}
.cover-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; line-height: 1.1;
  position: relative;
}
.cover-sub {
  font-size: 12px; opacity: 0.85;
  position: relative;
}
.cover-author {
  font-size: 11px;
  border-top: 1px solid rgba(0,0,0,0.25);
  padding-top: 10px;
  position: relative;
}

.preview-meta h3 {
  font-family: var(--font-display);
  font-size: 26px; line-height: 1.15; margin-bottom: 8px;
}
.preview-meta .preview-sub {
  color: var(--fg-2); margin-bottom: 18px;
}
.preview-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 18px;
}
.preview-stat {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}
.preview-stat strong {
  display: block; font-family: var(--font-display);
  font-size: 18px; color: var(--neon);
}
.preview-stat span { font-size: 11px; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.1em; }

.preview-pages {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  position: relative;
  max-height: 320px;
  overflow: hidden;
}
.preview-pages::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(9,11,20,1));
  pointer-events: none;
}
.preview-pages h4 {
  font-family: var(--font-display);
  font-size: 15px; color: var(--neon); letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.preview-pages p { color: var(--fg-1); font-size: 14px; margin-bottom: 12px; }

/* ---------- BLOCO PROFESSOR + RESULTADOS DE ALUNOS ---------- */
.professor-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: stretch;
  background: linear-gradient(180deg, rgba(0,229,255,0.06) 0%, rgba(124,92,255,0.04) 100%);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
}
.professor-block::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(0,229,255,0.12), transparent 50%);
  pointer-events: none;
}

.professor-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,229,255,0.25), transparent 60%),
    linear-gradient(135deg, #1a1f3a, #0a0d1c);
  border: 1px solid rgba(0,229,255,0.25);
  min-height: 220px;
  display: grid; place-items: center;
}
.professor-photo img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.professor-photo.has-img .professor-photo-fallback { display: none; }
.professor-photo-fallback {
  font-family: var(--font-display);
  font-size: 38px; font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.05em;
  background: rgba(0,229,255,0.08);
  border: 1px dashed rgba(0,229,255,0.4);
  width: 84px; height: 84px;
  border-radius: 50%;
  display: grid; place-items: center;
  text-shadow: 0 0 20px rgba(0,229,255,0.5);
}
.professor-photo::after {
  content: '';
  position: absolute;
  left: 12px; bottom: 12px;
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px; font-weight: 600;
  color: var(--fg-0);
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 10px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  border-radius: 6px;
  content: 'BRUNO SANTOS';
  z-index: 2;
}

.professor-info { position: relative; z-index: 1; }
.professor-info h3 {
  font-family: var(--font-display);
  font-size: 22px; line-height: 1.2;
  margin: 8px 0 12px;
}
.professor-bio { color: var(--fg-1); font-size: 14px; margin-bottom: 16px; }
.professor-bio strong { color: var(--fg-0); }

.professor-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.result-card {
  display: flex; flex-direction: column; gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: all .25s var(--ease);
}
.result-card:hover {
  border-color: rgba(0,229,255,0.3);
  background: rgba(0,229,255,0.06);
  transform: translateY(-2px);
}
.result-card .result-name {
  font-size: 11px; color: var(--fg-2);
  letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 600;
}
.result-card strong {
  font-family: var(--font-display);
  font-size: 22px; line-height: 1;
  background: var(--grad-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.result-card .result-niche {
  font-size: 11px; color: var(--fg-3);
}

@media (max-width: 720px) {
  .professor-block { grid-template-columns: 1fr; }
  .professor-photo { aspect-ratio: 4/3; min-height: 0; }
  .professor-results { grid-template-columns: 1fr; }
}

.preview-locked {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, rgba(255,60,246,0.12), rgba(124,92,255,0.08));
  border: 1px solid rgba(255,60,246,0.3);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 28px;
}
.preview-locked-icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: rgba(255,60,246,0.2);
  border-radius: 12px;
  color: var(--neon-3);
  flex-shrink: 0;
}
.preview-locked strong { font-family: var(--font-display); font-size: 15px; display: block; margin-bottom: 2px; }
.preview-locked span { font-size: 13px; color: var(--fg-2); }

/* ---------- CAPTURE FORM ---------- */
.capture-card { max-width: 580px; }
.field {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 18px;
}
.field label {
  font-size: 13px; color: var(--fg-1); font-weight: 500;
}
.field input, .field select {
  padding: 16px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--fg-0);
  font-size: 16px;
  transition: all .25s;
  width: 100%;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--neon);
  background: rgba(0,229,255,0.05);
  box-shadow: 0 0 0 4px rgba(0,229,255,0.12);
}
.field-error {
  font-size: 12px; color: var(--red); margin-top: 4px;
  display: none;
}
.field.is-error input { border-color: var(--red); }
.field.is-error .field-error { display: block; }

.capture-disclaimer {
  font-size: 12px; color: var(--fg-3); text-align: center; margin-top: 16px;
}

/* ---------- THANK YOU ---------- */
.thanks-card { max-width: 680px; text-align: center; }
.thanks-icon {
  width: 80px; height: 80px; margin: 0 auto 24px;
  display: grid; place-items: center;
  background: rgba(46,229,157,0.12);
  border-radius: 50%;
  color: var(--green);
  animation: thankBounce 0.6s var(--ease);
}
@keyframes thankBounce {
  0%   { transform: scale(0.4); opacity: 0; }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
.thanks-card .h2 { margin-bottom: 12px; }
.thanks-divider {
  height: 1px; background: var(--line);
  margin: 32px 0;
}
.thanks-cta {
  background: linear-gradient(135deg, rgba(0,229,255,0.08), rgba(124,92,255,0.06));
  border: 1px solid rgba(0,229,255,0.25);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: left;
}
.thanks-cta h3 {
  font-family: var(--font-display); font-size: 20px; margin-bottom: 8px;
}
.thanks-cta p { color: var(--fg-2); margin-bottom: 18px; }

/* CTA secundária da tela de obrigado (Phase 1 → SaaS) */
.thanks-secondary {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 22px; text-align: center;
}
.thanks-secondary .muted { font-size: 12px; }
.thanks-link {
  font-family: var(--font-display); font-weight: 600;
  font-size: 14px; color: var(--neon);
  text-decoration: none;
  transition: color .2s, transform .2s;
  display: inline-block;
}
.thanks-link:hover { color: var(--fg-0); transform: translateX(2px); }

/* ---------- INSTALL ANIM (transition from CTA into app) ---------- */
.install-screen {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg-0);
  display: grid; place-items: center;
  flex-direction: column;
}
.install-screen-inner { text-align: center; max-width: 480px; padding: 0 20px; }
.install-icon {
  width: 120px; height: 120px;
  margin: 0 auto 32px;
  position: relative;
}
.install-h {
  font-family: var(--font-display);
  font-size: 22px; margin-bottom: 8px;
}
.install-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
  margin: 24px 0 14px;
}
.install-bar > div {
  height: 100%; width: 0;
  background: var(--grad-2);
  border-radius: 999px;
  transition: width .3s var(--ease);
  box-shadow: 0 0 12px rgba(0,229,255,0.6);
}
.install-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--fg-2);
}

/* ---------- ANIMATIONS ---------- */
.fade-in { animation: fadeIn .5s var(--ease) both; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero { padding: 40px 0 30px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; min-height: 320px; }
  .device { width: 280px; height: 170px; }
  .how-grid { grid-template-columns: 1fr; }
  .vsl-card { padding: 28px 20px; }
  .app-card { padding: 32px 24px; }
  .preview-grid { grid-template-columns: 1fr; }
  .cover { max-width: 240px; margin: 0 auto; }
  .choice-grid { grid-template-columns: 1fr; }
  .proof-divider { display: none; }
}

@media (max-width: 520px) {
  .h1 { font-size: 34px; }
  .vsl-card { padding: 22px 16px; }
  .btn-install { padding: 18px 22px; font-size: 16px; }
  .footer-row { justify-content: center; text-align: center; }
}

/* ---------- A11Y ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

::selection { background: rgba(0,229,255,0.3); color: #fff; }

/* =========================================================
   FASE 2 — AUTH (login.html)
   ========================================================= */
.auth-stage {
  min-height: calc(100vh - 100px);
  display: grid; place-items: center;
  padding: 60px 20px;
  position: relative; z-index: 1;
}
.auth-card {
  width: 100%; max-width: 460px;
  background: linear-gradient(180deg, rgba(20,24,51,0.85) 0%, rgba(9,11,20,0.95) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 36px 32px 28px;
  box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
  animation: fadeIn .4s var(--ease) both;
}
.auth-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,229,255,0.10), transparent 50%);
  pointer-events: none;
}

.auth-tabs {
  display: flex; gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  padding: 4px; border-radius: 12px;
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1; padding: 10px 14px;
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  color: var(--fg-2);
  border-radius: 8px;
  cursor: pointer;
  transition: all .25s var(--ease);
}
.auth-tab.is-active {
  background: var(--grad-2);
  color: #05060a;
  box-shadow: 0 6px 18px -6px rgba(0,229,255,0.5);
}

.auth-pane { display: none; }
.auth-pane.is-active { display: block; animation: fadeIn .35s var(--ease) both; }

.auth-h {
  font-family: var(--font-display);
  font-size: 24px; line-height: 1.15;
  margin-bottom: 6px;
}
.auth-sub { color: var(--fg-2); margin-bottom: 22px; font-size: 14px; }

.auth-error {
  background: rgba(255,85,119,0.08);
  border: 1px solid rgba(255,85,119,0.3);
  border-radius: 10px;
  padding: 12px 14px;
  color: #ff8aa3;
  font-size: 13px;
  margin: 4px 0 16px;
}
.auth-error:not([hidden]) { animation: fadeIn .25s; }

.auth-foot {
  margin-top: 18px;
  font-size: 12px; color: var(--fg-3);
  text-align: center;
}
.auth-foot a { color: var(--neon); text-decoration: underline; }
.auth-foot a:hover { color: var(--fg-0); }


/* =========================================================
   FASE 2 — DASHBOARD
   ========================================================= */
.dash-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  position: relative; z-index: 1;
}

/* Sidebar */
.dash-side {
  background: linear-gradient(180deg, rgba(13,16,32,0.95), rgba(5,6,10,0.95));
  border-right: 1px solid var(--line);
  padding: 28px 20px;
  display: flex; flex-direction: column;
  position: sticky; top: 0;
  height: 100vh;
}
.dash-brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 36px;
  font-family: var(--font-display); font-weight: 700;
  font-size: 16px;
}

.dash-nav {
  display: flex; flex-direction: column; gap: 4px;
  flex: 1;
}
.dash-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--fg-2);
  font-size: 14px; font-weight: 500;
  transition: all .2s var(--ease);
  position: relative;
}
.dash-nav-item:hover { background: rgba(255,255,255,0.04); color: var(--fg-0); }
.dash-nav-item.is-active {
  background: linear-gradient(90deg, rgba(0,229,255,0.12), transparent);
  color: var(--neon);
}
.dash-nav-item.is-active::before {
  content: ''; position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 3px; border-radius: 0 2px 2px 0; background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}
.nav-badge {
  margin-left: auto;
  font-size: 9px; font-weight: 700; letter-spacing: 0.1em;
  background: var(--grad-1); color: #05060a;
  padding: 2px 6px; border-radius: 4px;
}

.dash-logout {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  font-size: 13px; color: var(--fg-3);
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  cursor: pointer;
  transition: all .2s;
  margin-top: 12px;
}
.dash-logout:hover { color: var(--red); border-color: rgba(255,85,119,0.3); }

/* Main */
.dash-main {
  padding: 36px 40px 40px;
  max-width: 1200px;
}
.dash-top {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
}
.dash-title {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1.15;
  margin-bottom: 4px;
}

/* KPI cards */
.kpi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-bottom: 28px;
}
.kpi-card {
  display: flex; gap: 16px; align-items: center;
  background: linear-gradient(180deg, rgba(20,24,51,0.55), rgba(9,11,20,0.55));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: border-color .25s;
}
.kpi-card:hover { border-color: var(--line-strong); }
.kpi-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(0,229,255,0.1);
  color: var(--neon);
  flex-shrink: 0;
}
.kpi-credits .kpi-icon { background: var(--grad-2); color: #05060a; box-shadow: 0 6px 20px -6px rgba(0,229,255,0.5); }
.kpi-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.kpi-label { font-size: 12px; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.kpi-value {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1;
  letter-spacing: -0.01em;
}
.kpi-credits .kpi-value {
  background: var(--grad-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.kpi-foot { font-size: 12px; color: var(--fg-3); }

/* CTA card grande */
.dash-cta-card {
  display: grid; grid-template-columns: 1fr 240px;
  gap: 32px; align-items: center;
  background: linear-gradient(135deg, rgba(0,229,255,0.08) 0%, rgba(124,92,255,0.06) 100%);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 36px;
  position: relative; overflow: hidden;
}
.dash-cta-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 100% 0%, rgba(0,229,255,0.18), transparent 50%);
  pointer-events: none;
}
.cta-card-body { position: relative; z-index: 1; }
.cta-card-body .h2 { margin: 12px 0 8px; }
.cta-card-actions {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px;
}
.cta-card-art { display: grid; place-items: center; position: relative; z-index: 1; }
.device-sm { width: 220px; height: 140px; transform: scale(0.8) rotateY(-12deg) rotateX(8deg); }

/* Sections */
.dash-section { margin-bottom: 36px; }
.dash-section-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.dash-section-title {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 600;
}
.dash-section-link { font-size: 13px; color: var(--neon); }
.dash-section-link:hover { color: var(--fg-0); }

/* Ebook mini cards */
.ebook-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.ebook-mini {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .25s var(--ease);
  cursor: pointer;
}
.ebook-mini:hover { transform: translateY(-2px); border-color: rgba(0,229,255,0.3); }
.ebook-mini-cover {
  aspect-ratio: 16/10;
  position: relative;
  display: flex; align-items: flex-end; padding: 12px;
}
.ebook-mini-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.ebook-mini-tag {
  position: relative; z-index: 1;
  font-family: var(--font-display); font-size: 9px;
  letter-spacing: 0.2em;
  background: rgba(0,0,0,0.5); color: #fff;
  padding: 4px 8px; border-radius: 4px;
  backdrop-filter: blur(4px);
}
.ebook-mini-body {
  padding: 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.ebook-mini-body strong { font-size: 14px; line-height: 1.3; }
.ebook-mini-body .muted { font-size: 12px; }
.ebook-mini-meta { font-size: 11px; color: var(--fg-3); margin-top: 6px; }
.ebook-status {
  display: inline-block;
  padding: 2px 6px; border-radius: 4px;
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.ebook-status-concluido { background: rgba(46,229,157,0.12); color: var(--green); }
.ebook-status-gerando { background: rgba(0,229,255,0.12); color: var(--neon); }
.ebook-status-erro { background: rgba(255,85,119,0.12); color: var(--red); }

.ebook-loading {
  padding: 40px;
  text-align: center;
  color: var(--fg-3); font-size: 14px;
  grid-column: 1 / -1;
}
.ebook-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px 24px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}
.ebook-empty-icon {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  background: rgba(0,229,255,0.06);
  color: var(--neon);
  border-radius: 50%;
}
.ebook-empty h4 { font-family: var(--font-display); font-size: 16px; margin-bottom: 6px; }
.ebook-empty p { color: var(--fg-2); font-size: 14px; max-width: 380px; margin: 0 auto 16px; }

/* Tabela créditos */
.credits-tbl {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.credits-tbl th, .credits-tbl td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.credits-tbl th {
  background: rgba(255,255,255,0.03);
  color: var(--fg-2); font-weight: 600;
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px;
}
.credits-tbl tr:last-child td { border-bottom: 0; }
.credits-tbl .pos { color: var(--green); font-weight: 600; }
.credits-tbl .neg { color: var(--red); font-weight: 600; }

.dash-foot {
  text-align: center;
  font-size: 12px; color: var(--fg-3);
  padding-top: 30px; margin-top: 30px;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .dash-shell { grid-template-columns: 1fr; }
  .dash-side {
    position: relative; height: auto;
    border-right: 0; border-bottom: 1px solid var(--line);
    padding: 18px;
  }
  .dash-nav { flex-direction: row; flex-wrap: wrap; }
  .dash-logout { margin-top: 0; margin-left: auto; }
  .dash-main { padding: 24px 18px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .dash-cta-card { grid-template-columns: 1fr; }
  .cta-card-art { display: none; }
}


/* =========================================================
   FASE 2 — PLANOS (planos.html)
   ========================================================= */
.header-nav { display: flex; gap: 18px; align-items: center; }
.header-link {
  font-size: 14px; color: var(--fg-2);
  font-weight: 500;
  transition: color .2s;
}
.header-link:hover { color: var(--fg-0); }

.planos-hero {
  padding: 80px 0 32px;
  text-align: center;
}
.planos-hero .h1 { margin-bottom: 16px; }
.planos-msg {
  display: inline-block;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.25);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--neon);
  font-size: 13px;
  margin-top: 8px;
}

.planos-section { padding: 24px 0 60px; }
.planos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}
.plano-card {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(20,24,51,0.7), rgba(9,11,20,0.85));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: all .3s var(--ease);
  position: relative;
  overflow: hidden;
}
.plano-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.plano-card.is-destaque {
  border-color: rgba(0,229,255,0.45);
  background: linear-gradient(180deg, rgba(0,229,255,0.08), rgba(124,92,255,0.04));
  box-shadow: 0 24px 60px -20px rgba(0,229,255,0.4);
  transform: translateY(-6px) scale(1.01);
}
.plano-card.is-destaque:hover { transform: translateY(-9px) scale(1.01); }
.plano-card.is-atual { border-color: rgba(46,229,157,0.4); }
.plano-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--grad-2);
  color: #05060a;
  font-family: var(--font-display);
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 6px;
}

.plano-head { margin-bottom: 18px; }
.plano-nome {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--neon);
}
.plano-preco {
  display: flex; align-items: baseline; gap: 4px;
  margin: 12px 0 8px;
  font-family: var(--font-display);
}
.plano-preco strong {
  font-size: 44px; line-height: 1; letter-spacing: -0.02em;
}
.plano-cifra { font-size: 18px; color: var(--fg-2); margin-right: 2px; }
.plano-periodo { color: var(--fg-2); font-size: 14px; margin-left: 4px; }
.plano-desc { color: var(--fg-2); font-size: 13px; line-height: 1.5; }

.plano-cred {
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}
.plano-cred strong { font-family: var(--font-display); font-size: 18px; color: var(--neon); }

.plano-recursos {
  list-style: none; padding: 0; margin: 0 0 22px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.plano-recursos li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  color: var(--fg-1);
}
.plano-recursos li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--green);
  font-weight: 700;
}
.plano-cta { margin-top: auto; }
.plano-cta .btn { width: 100%; justify-content: center; }

.planos-disclaimer {
  margin-top: 36px;
  text-align: center;
  font-size: 12px; color: var(--fg-3);
}

.plano-loading {
  grid-column: 1 / -1;
  padding: 60px;
  text-align: center;
  color: var(--fg-3);
}

/* Recargas */
.recargas-section { padding: 60px 0; background: linear-gradient(180deg, transparent, rgba(124,92,255,0.04), transparent); }
.recargas-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 36px;
}
.recarga-card {
  display: flex; flex-direction: column; gap: 8px;
  background: linear-gradient(180deg, rgba(20,24,51,0.7), rgba(9,11,20,0.85));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: all .25s;
}
.recarga-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.recarga-card.is-highlight {
  border-color: rgba(0,229,255,0.4);
  background: linear-gradient(180deg, rgba(0,229,255,0.08), rgba(124,92,255,0.04));
}
.recarga-tag {
  font-family: var(--font-display); font-size: 10px;
  color: var(--neon); letter-spacing: 0.18em; text-transform: uppercase;
}
.recarga-credits {
  font-family: var(--font-display);
  font-size: 28px;
  background: var(--grad-2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.recarga-price {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  margin: 6px 0 2px;
}
.recarga-btn { margin-top: 14px; width: 100%; justify-content: center; }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; max-width: 920px; margin: 0 auto;
}
.faq-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  cursor: pointer;
  transition: border-color .2s;
}
.faq-item:hover { border-color: var(--line-strong); }
.faq-item summary {
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600; font-size: 15px;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 20px; color: var(--neon);
  transition: transform .25s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin-top: 12px;
  color: var(--fg-2); font-size: 14px; line-height: 1.6;
}

.btn-sm { padding: 10px 18px; font-size: 14px; }

@media (max-width: 980px) {
  .planos-grid { grid-template-columns: repeat(2, 1fr); }
  .plano-card.is-destaque { transform: none; }
  .recargas-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .planos-grid { grid-template-columns: 1fr; }
}


/* =========================================================
   FASE 2B — BIBLIOTECA (biblioteca.html)
   ========================================================= */
.biblio-filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.biblio-chip {
  padding: 8px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  color: var(--fg-2);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.biblio-chip:hover { color: var(--fg-0); border-color: var(--line-strong); }
.biblio-chip.is-active {
  background: var(--grad-2);
  color: #05060a;
  border-color: transparent;
  font-weight: 600;
}

.biblio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}
.biblio-card {
  display: flex; flex-direction: column;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s var(--ease);
}
.biblio-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,255,0.3);
  box-shadow: 0 24px 48px -16px rgba(0,229,255,0.2);
}
.biblio-cover {
  aspect-ratio: 3/4;
  position: relative;
  overflow: hidden;
}
.biblio-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.biblio-cover::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.55));
  pointer-events: none;
}
.biblio-tag {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 0.18em;
  padding: 5px 10px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  border-radius: 6px;
  backdrop-filter: blur(6px);
  z-index: 1;
}
.biblio-destaque {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-display);
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  background: var(--grad-1);
  color: #05060a;
  border-radius: 6px;
  z-index: 1;
}
.biblio-body {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px 20px 20px;
  flex: 1;
}
.biblio-title {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  margin: 0;
}
.biblio-sub {
  font-size: 13px; color: var(--fg-2);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.biblio-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
  font-size: 11px; color: var(--fg-3);
  margin-top: 4px;
}
.biblio-actions { margin-top: auto; padding-top: 14px; }
.biblio-actions .btn { width: 100%; justify-content: center; }
.biblio-download svg { transition: transform .2s; }
.biblio-download:hover svg { transform: translateY(2px); }

@media (max-width: 600px) {
  .biblio-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .biblio-body { padding: 14px; }
  .biblio-title { font-size: 14px; }
}
@media (max-width: 380px) {
  .biblio-grid { grid-template-columns: 1fr; }
}


/* =========================================================
   FASE 2C — GERAÇÃO (gerar.html — viewer do ebook)
   ========================================================= */

/* Confirmação antes de queimar crédito */
.confirm-grid {
  display: flex; flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  overflow: hidden;
}
.confirm-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}
.confirm-row:last-child { border-bottom: 0; }
.confirm-row span {
  font-size: 12px; color: var(--fg-2);
  text-transform: uppercase; letter-spacing: 0.08em;
  font-weight: 600;
}
.confirm-row strong { font-family: var(--font-display); font-size: 14px; }

/* Viewer do ebook */
.viewer-card {
  max-width: 880px !important;
  padding: 0 !important;
}
.viewer-head {
  padding: 40px 48px 32px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0,229,255,0.06), transparent);
}
.viewer-titulo {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.15; letter-spacing: -0.015em;
  margin: 12px 0 8px;
}
.viewer-sub {
  font-size: 16px; color: var(--fg-1);
  margin-bottom: 22px;
}
.viewer-actions {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 18px;
}

.viewer-sumario {
  padding: 24px 48px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.viewer-sumario h2 {
  font-family: var(--font-display);
  font-size: 18px; margin-bottom: 14px;
}
.viewer-sumario ol {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  counter-reset: sumario;
}
.viewer-sumario li {
  display: flex; gap: 12px; align-items: baseline;
  font-size: 14px; color: var(--fg-1);
}
.viewer-sumario li span {
  font-family: var(--font-display);
  font-size: 12px; color: var(--neon);
  font-weight: 700;
  min-width: 24px;
}

.viewer-section {
  padding: 28px 48px;
  border-bottom: 1px solid var(--line);
}
.viewer-section h2 {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 14px;
}
.viewer-section p {
  font-size: 15px; line-height: 1.75;
  color: var(--fg-1);
  margin-bottom: 14px;
}

.ebook-cap {
  padding: 32px 48px;
  border-bottom: 1px solid var(--line);
}
.ebook-cap-num {
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 6px;
}
.ebook-cap-titulo {
  font-family: var(--font-display);
  font-size: 24px; line-height: 1.2;
  margin-bottom: 18px;
}
.ebook-secao { margin-bottom: 22px; }
.ebook-secao h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--fg-0);
}
.ebook-secao p {
  font-size: 15px; line-height: 1.75;
  color: var(--fg-1);
  margin-bottom: 12px;
}

@media (max-width: 700px) {
  .viewer-head, .viewer-sumario, .viewer-section, .ebook-cap {
    padding-left: 24px; padding-right: 24px;
  }
}