/* ══════════════════════════════════════════════════════════════
   Ausculto Landing — Premium Medical Design System v2
   Advanced effects: animated gradients, glassmorphism, glow,
   micro-interactions, animated borders, 3D transforms
   ══════════════════════════════════════════════════════════════ */

/* --- Design Tokens --- */
:root {
  --bg: #F4F7FF;
  --bg-alt: #EBF0FF;
  --surface: #FFFFFF;
  --surface-glass: rgba(255,255,255,0.55);
  --surface-glass-strong: rgba(255,255,255,0.8);
  --border: rgba(227,236,255,0.7);
  --border-glow: rgba(0,95,255,0.15);
  --text: #1A2C4F;
  --text-secondary: #6B7A99;
  --muted: #94A3C3;
  --primary: #005FFF;
  --primary-hover: #0B3D91;
  --primary-contrast: #FFFFFF;
  --primary-ghost: rgba(0,95,255,0.08);
  --accent: #00B0FF;
  --success: #43A047;
  --orange: #FF9600;
  --purple: #CE82FF;
  --pink: #EC407A;
  --teal: #00ACC1;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(11,61,145,0.06);
  --shadow-md: 0 8px 24px rgba(11,61,145,0.08);
  --shadow-lg: 0 12px 40px rgba(11,61,145,0.10);
  --shadow-glow: 0 0 48px rgba(0,95,255,0.15);
  --shadow-glow-lg: 0 0 80px rgba(0,95,255,0.20);
  --shadow-color: 0 8px 32px rgba(0,95,255,0.18);
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-w: 1140px;
  --header-h: 68px;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Dark Mode --- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080E1A;
    --bg-alt: #0C1425;
    --surface: #121D30;
    --surface-glass: rgba(18,29,48,0.7);
    --surface-glass-strong: rgba(18,29,48,0.9);
    --border: rgba(30,48,80,0.6);
    --border-glow: rgba(0,95,255,0.25);
    --text: #E8EDF5;
    --text-secondary: #94A3C3;
    --muted: #5A6A8A;
    --primary-ghost: rgba(0,95,255,0.15);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.25);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 48px rgba(0,95,255,0.2);
    --shadow-glow-lg: 0 0 80px rgba(0,95,255,0.25);
    --shadow-color: 0 8px 32px rgba(0,95,255,0.2);
  }
}

/* --- Reset --- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s var(--transition-smooth); }
a:hover { text-decoration: underline; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Layout --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; position: relative; overflow: hidden; }

/* --- Typography --- */
h1,h2,h3 { line-height: 1.18; color: var(--text); letter-spacing: -0.02em; }
h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 52px;
}
.overline {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
  width: 100%;
}
.overline::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  vertical-align: middle;
  margin-right: 10px;
  border-radius: 2px;
}
.overline::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  vertical-align: middle;
  margin-left: 10px;
  border-radius: 2px;
}
.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s var(--transition-smooth);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover::before { opacity: 1; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn--primary {
  background: linear-gradient(135deg, var(--primary), #3385FF);
  color: var(--primary-contrast);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0,95,255,0.3);
}
.btn--primary:hover {
  box-shadow: 0 8px 32px rgba(0,95,255,0.4);
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
}
.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline:hover {
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: 0 4px 20px rgba(0,95,255,0.3);
}
.btn--ghost {
  background: var(--primary-ghost);
  color: var(--primary);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: 0 4px 20px rgba(0,95,255,0.3);
}
.btn--sm { padding: 9px 22px; font-size: 0.85rem; }
.btn--lg { padding: 16px 38px; font-size: 1.05rem; }
.btn--full { width: 100%; }

/* Pulse animation for primary CTAs */
.btn--primary.btn--lg {
  animation: btnPulse 3s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0,95,255,0.3); }
  50% { box-shadow: 0 4px 20px rgba(0,95,255,0.3), 0 0 0 8px rgba(0,95,255,0.06); }
}

/* ═══════════════════════════════════════════
   DECORATIVE ELEMENTS
   ═══════════════════════════════════════════ */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}
.bg-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,95,255,0.15), transparent 70%);
  top: -100px; right: -100px;
}
.bg-orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,176,255,0.12), transparent 70%);
  bottom: -50px; left: -100px;
}
.bg-orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(206,130,255,0.10), transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* ═══════════════════════════════════════════
   1. HEADER
   ═══════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: all 0.4s var(--transition-smooth);
}
.header--scrolled {
  box-shadow: var(--shadow-md);
  background: var(--surface-glass-strong);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  flex-shrink: 0;
}
.header__brand:hover { text-decoration: none; }
.header__brand img { transition: transform 0.3s var(--transition-bounce); }
.header__brand:hover img { transform: rotate(-8deg) scale(1.1); }
.header__nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.header__nav a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}
.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width 0.3s var(--transition-smooth);
}
.header__nav a:hover { color: var(--primary); text-decoration: none; }
.header__nav a:hover::after { width: 100%; }
.header__menu {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 900px) {
  .header__nav { display: none; }
  .header__nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s var(--transition-smooth);
  }
  .header__menu { display: block; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   2. HERO
   ═══════════════════════════════════════════ */
.hero {
  padding: 150px 0 100px;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,95,255,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0,176,255,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(206,130,255,0.04) 0%, transparent 50%),
    linear-gradient(170deg, var(--bg) 0%, var(--bg-alt) 100%);
  position: relative;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 22px;
  text-align: left;
  letter-spacing: -0.03em;
}
.hero__sub {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero__proof {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero__proof li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.hero__proof svg { color: var(--success); flex-shrink: 0; }
.hero__visual {
  display: flex;
  justify-content: center;
  position: relative;
}
.hero__phone { position: relative; }
.hero__mascot {
  max-width: 360px;
  filter: drop-shadow(0 20px 50px rgba(11,61,145,0.15));
  animation: heroFloat 5s ease-in-out infinite;
  position: relative;
  z-index: 1;
}
/* Glow ring behind mascot */
.hero__phone::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,95,255,0.12), rgba(0,176,255,0.06), transparent 70%);
  border-radius: 50%;
  animation: pulseGlow 4s ease-in-out infinite;
  z-index: 0;
}
@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.hero__float {
  position: absolute;
  animation: drift 6s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
  z-index: 2;
}
.hero__float--1 { top: 5%; right: -10%; animation-delay: 0s; }
.hero__float--2 { bottom: 15%; left: -5%; animation-delay: -2s; }
.hero__float--3 { top: 50%; right: -15%; animation-delay: -4s; }
@keyframes drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(8deg); }
}

@media (max-width: 900px) {
  .hero { padding: 130px 0 72px; }
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__title { text-align: center; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__proof { align-items: center; }
  .hero__visual { order: -1; }
  .hero__mascot { max-width: 240px; }
}
@media (max-width: 600px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
}

.proof-strip {
  background: var(--bg);
  padding: 24px 0 18px;
}
.proof-strip__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.proof-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.proof-pill strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.2;
  color: var(--primary);
}
.proof-pill span {
  display: block;
  font-size: 0.76rem;
  color: var(--text-secondary);
}
@media (max-width: 1024px) {
  .proof-strip__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .proof-strip__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ═══════════════════════════════════════════
   3. WHY
   ═══════════════════════════════════════════ */
.why {
  background: var(--bg-alt);
  position: relative;
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 44px;
}
.why__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.why__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.35s;
}
.why__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-glow);
}
.why__card:hover::before { opacity: 1; }
.why__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-ghost), rgba(0,176,255,0.08));
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  transition: transform 0.3s var(--transition-bounce);
}
.why__card:hover .why__icon { transform: scale(1.1) rotate(-3deg); }
.why__card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.why__card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; }
.why__solution {
  text-align: center;
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}
.why__solution strong { color: var(--primary); }

@media (max-width: 768px) { .why__grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════════════════
   4. PERSONA
   ═══════════════════════════════════════════ */
.persona { background: var(--bg); }
.persona__toggle {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 44px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 5px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-sm);
}
.persona__tab {
  flex: 1;
  padding: 12px 24px;
  border: none;
  background: transparent;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: calc(var(--radius-lg) - 4px);
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  position: relative;
}
.persona__tab:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.persona__tab--active {
  background: linear-gradient(135deg, var(--primary), #3385FF);
  color: var(--primary-contrast);
  box-shadow: 0 4px 16px rgba(0,95,255,0.25);
}
.persona__panel[hidden] { display: none; }
.persona__panel {
  animation: fadeInPanel 0.4s var(--transition-smooth);
}
@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.persona__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.persona__benefit {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--transition-smooth);
}
.persona__benefit:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-glow);
}
.persona__benefit img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  object-fit: cover;
  transition: transform 0.3s var(--transition-bounce);
}
.persona__benefit:hover img { transform: scale(1.1) rotate(-3deg); }
.persona__benefit h3 { font-size: 1rem; margin-bottom: 6px; }
.persona__benefit p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 768px) { .persona__grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════════════════
   5. RECURSOS
   ═══════════════════════════════════════════ */
.recursos {
  background: var(--bg-alt);
  position: relative;
}
.recursos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 44px;
}
.rcard {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--transition-smooth);
  overflow: hidden;
}
.rcard::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.4s var(--transition-smooth);
  transform-origin: left;
}
.rcard:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.rcard:hover::after { transform: scaleX(1); }
.rcard--highlight {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
.rcard--highlight::after { transform: scaleX(1); }
.rcard__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: #fff;
  transition: transform 0.3s var(--transition-bounce);
}
.rcard:hover .rcard__icon { transform: scale(1.1) rotate(-5deg); }
.rcard__icon--blue { background: linear-gradient(135deg, #42A5F5, #1565C0); }
.rcard__icon--teal { background: linear-gradient(135deg, #26C6DA, #00838F); }
.rcard__icon--orange { background: linear-gradient(135deg, #FFA726, #E65100); }
.rcard__icon--purple { background: linear-gradient(135deg, var(--purple), #7B1FA2); }
.rcard__icon--green { background: linear-gradient(135deg, #66BB6A, #2E7D32); }
.rcard__icon--pink { background: linear-gradient(135deg, #EF629F, #AD1457); }
.rcard__badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 14px;
  letter-spacing: 0.06em;
  animation: shimmer 2.5s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,95,255,0.3); }
  50% { box-shadow: 0 0 0 6px rgba(0,95,255,0); }
}
.rcard h3 { font-size: 1.08rem; margin-bottom: 8px; }
.rcard p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.recursos__disclaimer {
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
  max-width: 580px;
  margin: 0 auto;
}

@media (max-width: 900px) { .recursos__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .recursos__grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════════════════
   6. STEPS
   ═══════════════════════════════════════════ */
.steps { background: var(--bg); position: relative; }
.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
  position: relative;
}
/* Connector line between steps */
.steps__grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 28px);
  right: calc(16.66% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  opacity: 0.3;
  z-index: 0;
}
.step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #3385FF);
  color: var(--primary-contrast);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 6px 24px rgba(0,95,255,0.25);
  transition: transform 0.3s var(--transition-bounce);
  position: relative;
}
.step__num::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(0,95,255,0.2);
}
.step:hover .step__num { transform: scale(1.1); }
.step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step p { font-size: 0.92rem; color: var(--text-secondary); max-width: 280px; margin: 0 auto; line-height: 1.6; }

@media (max-width: 768px) {
  .steps__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .steps__grid::before { display: none; }
}

.comparison {
  background: var(--bg);
}
.comparison__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}
.comparison__card {
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.comparison__card h3 {
  font-size: 1.14rem;
  margin-bottom: 14px;
}
.comparison__card ul {
  list-style: none;
}
.comparison__card li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.comparison__card li::before {
  position: absolute;
  left: 0;
  top: 1px;
  font-weight: 700;
}
.comparison__card--old li::before {
  content: "\2717";
  color: #D84315;
}
.comparison__card--new {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md);
}
.comparison__card--new li::before {
  content: "\2713";
  color: var(--success);
}
@media (max-width: 768px) {
  .comparison__grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   7. SOCIAL PROOF
   ═══════════════════════════════════════════ */
.social-proof {
  background: var(--bg-alt);
  position: relative;
}
.stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.stat {
  text-align: center;
  position: relative;
  padding: 24px 32px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  min-width: 140px;
  transition: all 0.35s var(--transition-smooth);
}
.stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-glow);
}
.stat__num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat__label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
  line-height: 1.35;
}
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--transition-smooth);
  position: relative;
}
.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
/* Decorative quote mark */
.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 3.5rem;
  font-family: Georgia, serif;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.3;
}
.testimonial p {
  font-size: 0.95rem;
  color: var(--text);
  font-style: italic;
  margin-bottom: 18px;
  margin-top: 12px;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}
.testimonial footer { font-size: 0.82rem; color: var(--text-secondary); }

@media (max-width: 768px) { .testimonials { grid-template-columns: 1fr; } .stats { gap: 16px; } }

/* ═══════════════════════════════════════════
   8. PLANOS
   ═══════════════════════════════════════════ */
.planos { background: var(--bg); position: relative; }
.planos__positioning {
  max-width: 820px;
  margin: 0 auto 26px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 980px;
  margin: 0 auto 24px;
}
.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
}
.model-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}
.model-card p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.model-card ul {
  list-style: none;
  display: grid;
  gap: 8px;
}
.model-card li {
  font-size: 0.82rem;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}
.model-card li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
}
.model-card--pro {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, rgba(0,95,255,0.05), transparent 60%), var(--surface);
}
.planos__strategy {
  max-width: 860px;
  margin: 0 auto 34px;
  text-align: center;
  color: var(--primary-hover);
  font-weight: 700;
  line-height: 1.7;
}
.planos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 840px;
  margin: 0 auto;
  align-items: start;
}
.plan {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.35s var(--transition-smooth);
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan--pro {
  border-color: transparent;
  box-shadow: var(--shadow-glow-lg);
  position: relative;
  z-index: 1;
}
/* Animated gradient border for PRO */
.plan--pro::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--purple), var(--primary));
  background-size: 300% 300%;
  animation: borderGradient 4s ease-in-out infinite;
  z-index: -1;
}
.plan--pro::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--surface);
  z-index: -1;
}
@keyframes borderGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.plan__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 14px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,95,255,0.25);
}
.plan__name { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; text-align: left; }
.plan__price { margin-bottom: 22px; }
.plan__amount { font-size: 2.4rem; font-weight: 800; color: var(--text); }
.plan__period { font-size: 0.95rem; color: var(--text-secondary); }
.plan__note { display: block; font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.plan__tiers {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}
.plan__tier {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,95,255,0.03);
}
.plan__tier span {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.plan__tier strong {
  font-size: 0.9rem;
  color: var(--text);
  text-align: right;
}
.plan__tier small {
  grid-column: 1 / -1;
  font-size: 0.74rem;
  color: var(--muted);
}
.plan__tier--recommended {
  border-color: rgba(0,95,255,0.32);
  background: linear-gradient(135deg, rgba(0,95,255,0.08), rgba(0,176,255,0.1));
}
.plan__img {
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.plan__features { list-style: none; flex: 1; margin-bottom: 28px; }
.plan__features li {
  padding: 10px 0;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.plan__feat--yes::before { content: "\2713"; color: var(--success); font-weight: 700; font-size: 1rem; }
.plan__feat--no::before { content: "\2717"; color: var(--muted); font-weight: 700; }
.plan__feat--no { color: var(--muted); }
.plan__guarantee {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 14px;
  font-style: italic;
}
.planos__microcopy {
  margin-top: 18px;
  text-align: center;
  font-size: 0.76rem;
  color: var(--muted);
}

@media (max-width: 960px) {
  .model-grid { grid-template-columns: 1fr; max-width: 540px; }
}
@media (max-width: 700px) {
  .planos__grid { grid-template-columns: 1fr; max-width: 420px; }
  .planos__positioning { font-size: 0.93rem; }
  .planos__strategy { font-size: 0.9rem; margin-bottom: 22px; }
}

/* ═══════════════════════════════════════════
   9. FAQ
   ═══════════════════════════════════════════ */
.faq { background: var(--bg-alt); }
.faq__list { max-width: 740px; margin: 0 auto; }
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all 0.3s var(--transition-smooth);
}
.faq__item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--border-glow);
}
.faq__item summary {
  padding: 20px 26px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}
.faq__item summary:hover { color: var(--primary); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-ghost);
  color: var(--primary);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-left: 16px;
  transition: all 0.3s var(--transition-smooth);
}
.faq__item[open] summary::after {
  content: "\2212";
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}
.faq__item summary:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; border-radius: var(--radius-md); }
.faq__answer { padding: 0 26px 22px; }
.faq__answer p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.75; }

/* ═══════════════════════════════════════════
   10. CTA FINAL
   ═══════════════════════════════════════════ */
.cta-final {
  background:
    radial-gradient(ellipse at 20% 80%, rgba(206,130,255,0.15), transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0,176,255,0.15), transparent 50%),
    linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 40%, #3385FF 70%, var(--accent) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Animated background particles */
.cta-final::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle 100px at 20% 30%, rgba(255,255,255,0.05), transparent),
    radial-gradient(circle 150px at 70% 60%, rgba(255,255,255,0.04), transparent),
    radial-gradient(circle 80px at 40% 80%, rgba(255,255,255,0.03), transparent);
  animation: floatBg 20s linear infinite;
}
@keyframes floatBg {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-10%, -10%); }
}
.cta-final h2 { color: #fff; position: relative; z-index: 1; }
.cta-final p {
  color: rgba(255,255,255,0.88);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}
.cta-final__actions { margin-bottom: 52px; position: relative; z-index: 1; }
.cta-final .btn--primary {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.cta-final .btn--primary:hover {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(-3px);
}
.cta-final .btn--primary.btn--lg {
  animation: none;
}
.cta-final__email { max-width: 500px; margin: 0 auto; position: relative; z-index: 1; }
.cta-final__email-label { font-size: 0.92rem; color: rgba(255,255,255,0.85); margin-bottom: 14px; }
.email-form {
  display: flex;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 6px;
  backdrop-filter: blur(8px);
}
.email-form input {
  flex: 1;
  padding: 14px 18px;
  border: none;
  border-radius: calc(var(--radius-lg) - 4px);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.3s;
}
.email-form input::placeholder { color: rgba(255,255,255,0.5); }
.email-form input:focus { background: rgba(255,255,255,0.2); }
.email-form .btn { flex-shrink: 0; border-radius: calc(var(--radius-lg) - 4px); }
.cta-final__lgpd { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.55); margin-top: 14px; position: relative; z-index: 1; }
.cta-final__lgpd a { color: rgba(255,255,255,0.75); text-decoration: underline; }

@media (max-width: 600px) { .email-form { flex-direction: column; } }

/* ═══════════════════════════════════════════
   11. FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 1.05rem;
}
.footer__links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--primary); text-decoration: none; }
.footer__disclaimer { max-width: 640px; }
.footer__disclaimer p { font-size: 0.78rem; color: var(--muted); line-height: 1.65; margin-bottom: 4px; }
.footer__copy { font-size: 0.78rem; color: var(--muted); }

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */

/* Fade up with stagger support */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition-smooth), transform 0.7s var(--transition-smooth);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children */
.fade-up.stagger-1 { transition-delay: 0.1s; }
.fade-up.stagger-2 { transition-delay: 0.2s; }
.fade-up.stagger-3 { transition-delay: 0.3s; }
.fade-up.stagger-4 { transition-delay: 0.4s; }
.fade-up.stagger-5 { transition-delay: 0.5s; }
.fade-up.stagger-6 { transition-delay: 0.6s; }

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
}
.scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Slide in from left/right */
.slide-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s var(--transition-smooth), transform 0.7s var(--transition-smooth);
}
.slide-left.is-visible { opacity: 1; transform: translateX(0); }

.slide-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s var(--transition-smooth), transform 0.7s var(--transition-smooth);
}
.slide-right.is-visible { opacity: 1; transform: translateX(0); }

/* Counter animation helper */
.stat__num[data-target] {
  display: block;
  font-variant-numeric: tabular-nums;
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--purple));
  z-index: 101;
  transform-origin: left;
  transition: none;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-up, .scale-in, .slide-left, .slide-right {
    opacity: 1;
    transform: none;
  }
}