/* ==========================================================================
   SERENO SONO - STYLESHEET
   Design System: Celestial Night & Gentle Calming Daylight
   Modern Parallax, Glassmorphism, Micro-interactions & High-Conversion UX
   ========================================================================== */

:root {
  /* Colors */
  --color-primary-dark: #0B132B;
  --color-primary-navy: #1C2541;
  --color-primary-slate: #3A506B;
  --color-accent-gold: #F59E0B;
  --color-accent-amber: #D97706;
  --color-gold-light: #FEF3C7;
  --color-gold-glow: rgba(245, 158, 11, 0.35);
  
  --color-soft-blue-bg: #EBF4FC;
  --color-card-blue: #F0F6FD;
  --color-deep-blue: #0A192F;
  --color-cyan-glow: #48CAE4;
  --color-emerald: #10B981;
  --color-rose: #F43F5E;
  
  --color-text-dark: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #F8FAFC;
  --color-border-soft: #E2E8F0;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(11, 19, 43, 0.05);
  --shadow-md: 0 8px 24px rgba(11, 19, 43, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 19, 43, 0.12);
  --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.4);
  --shadow-neon: 0 0 25px rgba(72, 202, 228, 0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: #F8FAFC;
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   AMBIENT SOUND WIDGET (FLOATING)
   ========================================================================== */
.ambient-sound-widget {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 99;
}

.ambient-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(11, 19, 43, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #FEF3C7;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: var(--transition-fast);
}

.ambient-toggle:hover {
  background: #0B132B;
  transform: translateY(-2px);
  border-color: var(--color-accent-gold);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.ambient-toggle.playing {
  background: #D97706;
  color: #FFFFFF;
  border-color: #FDE68A;
  animation: pulse-ring 2s infinite;
}

/* ==========================================================================
   TOP ANNOUNCEMENT BAR & COUNTDOWN
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #0B132B 0%, #1C2541 50%, #0B132B 100%);
  color: #F8FAFC;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(253, 230, 138, 0.2);
  position: relative;
  z-index: 100;
}

.announcement-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.announcement-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: #22C55E;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #22C55E;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #FDE68A;
}

.timer-boxes {
  display: flex;
  align-items: center;
  gap: 2px;
}

.timer-box {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(253, 230, 138, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-weight: 700;
  font-size: 0.9rem;
  color: #FFFFFF;
}

.timer-colon {
  font-weight: bold;
  color: #FDE68A;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 95;
  background: rgba(11, 19, 43, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
  transition: var(--transition-normal);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-icon-wrap {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #1E3A5F 0%, #0B132B 100%);
  border: 1.5px solid rgba(253, 230, 138, 0.4);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: #FDE68A;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.star-tiny {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.55rem;
  color: #F59E0B;
  animation: twinkle 2s infinite ease-in-out;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #FFFFFF;
  line-height: 1.1;
}

.logo-title span {
  color: var(--color-accent-gold);
}

.logo-tagline {
  font-size: 0.72rem;
  color: #94A3B8;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #CBD5E1;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover {
  color: #FDE68A;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent-gold);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.btn-nav {
  background: rgba(245, 158, 11, 0.15);
  color: #FDE68A;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-nav:hover {
  background: var(--color-accent-gold);
  color: #0B132B;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION & PARALLAX
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(175deg, #070D1E 0%, #0F172A 40%, #1E293B 100%);
  color: #FFFFFF;
  padding: 70px 0 120px 0;
  overflow: hidden;
}

/* Parallax Background Layers */
.parallax-bg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.stars-layer {
  background-image: 
    radial-gradient(1.5px 1.5px at 15% 15%, #FDE68A, transparent),
    radial-gradient(2px 2px at 30% 40%, #ffffff, transparent),
    radial-gradient(1px 1px at 50% 20%, #FCD34D, transparent),
    radial-gradient(2.5px 2.5px at 75% 25%, #ffffff, transparent),
    radial-gradient(1.5px 1.5px at 85% 60%, #FDE68A, transparent),
    radial-gradient(2px 2px at 45% 70%, #ffffff, transparent),
    radial-gradient(1px 1px at 20% 80%, #FDE68A, transparent),
    radial-gradient(2px 2px at 65% 85%, #ffffff, transparent);
  background-size: 450px 450px;
  opacity: 0.7;
}

.nebula-layer {
  background: radial-gradient(circle at 75% 30%, rgba(56, 189, 248, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 20% 60%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
  filter: blur(40px);
}

.floating-crescent-moon {
  position: absolute;
  top: 60px;
  right: 12%;
  font-size: 4rem;
  color: #FFFBEB;
  opacity: 0.85;
  pointer-events: none;
  animation: float-slow 7s ease-in-out infinite alternate;
}

.moon-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(254, 240, 138, 0.3) 0%, transparent 70%);
  filter: blur(15px);
  border-radius: 50%;
}

@keyframes float-slow {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-18px) rotate(4deg); }
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}

.badge-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(253, 230, 138, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #FDE68A;
  margin-bottom: 24px;
}

.badge-icon {
  color: #F43F5E;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.highlight-gold {
  color: #FCD34D;
  background: linear-gradient(135deg, #FFFBEB 0%, #FCD34D 50%, #F59E0B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: #CBD5E1;
  line-height: 1.65;
  margin-bottom: 28px;
}

.hero-subtitle strong {
  color: #FFFFFF;
  font-weight: 600;
}

.hero-subtitle em {
  color: #FDE68A;
  font-style: normal;
  font-weight: 500;
}

.hero-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 36px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: #E2E8F0;
}

.highlight-item i {
  color: #38BDF8;
  margin-top: 3px;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ==========================================================================
   BUTTONS SYSTEM & PULSE
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B132B;
  padding: 16px 32px;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.45);
  font-size: 1.15rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.6);
}

.btn-secondary {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FDE68A;
  border: 1px solid rgba(253, 230, 138, 0.4);
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-secondary:hover {
  background: #0B132B;
  border-color: #FCD34D;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-outline-gold {
  border: 2px solid var(--color-accent-gold);
  color: var(--color-primary-dark);
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
}

.btn-outline-gold:hover {
  background: var(--color-accent-gold);
  color: #0B132B;
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.35);
}

.btn-text-wrap {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.btn-main-text {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #0B132B;
}

.btn-sub-text {
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(11, 19, 43, 0.85);
}

.arrow-icon {
  font-size: 1.1rem;
  transition: transform 0.25s ease;
}

.btn-primary:hover .arrow-icon {
  transform: translateX(4px);
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  animation: shine 4s infinite;
}

@keyframes shine {
  0% { left: -100%; }
  25% { left: 150%; }
  100% { left: 150%; }
}

.btn-pulse {
  animation: pulse-shadow 2.5s infinite;
}

@keyframes pulse-shadow {
  0%, 100% {
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
  }
  50% {
    box-shadow: 0 12px 38px rgba(245, 158, 11, 0.75);
  }
}

.hero-guarantee-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94A3B8;
  font-size: 0.85rem;
}

.hero-guarantee-pill i {
  color: #22C55E;
}

/* ==========================================================================
   3D BOOK MOCKUP & FLOATING PILLS
   ========================================================================== */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
  perspective: 1200px;
}

.mockup-stage {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.mockup-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  height: 480px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, rgba(245, 158, 11, 0.15) 50%, transparent 80%);
  filter: blur(35px);
  z-index: 1;
}

.book-3d-card {
  position: relative;
  z-index: 2;
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.45));
}

.book-cover-wrap {
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.15);
  background: #0B132B;
}

.book-cover-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.book-spine-reflection {
  position: absolute;
  top: 0;
  left: 0;
  width: 25px;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.35) 0%, transparent 100%);
  pointer-events: none;
}

.floating-pill {
  position: absolute;
  background: rgba(11, 19, 43, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(253, 230, 138, 0.4);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  z-index: 3;
}

.pill-dot {
  width: 8px;
  height: 8px;
  background: #22C55E;
  border-radius: 50%;
}

.pill-top {
  top: -15px;
  left: -20px;
  color: #FDE68A;
}

.pill-middle {
  right: -25px;
  top: 45%;
  color: #38BDF8;
}

.pill-bottom {
  bottom: 25px;
  left: -15px;
  color: #FCD34D;
}

.mockup-shadow {
  position: absolute;
  bottom: -40px;
  left: 10%;
  width: 80%;
  height: 30px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.5) 0%, transparent 70%);
  filter: blur(8px);
}

/* Hero Wave divider */
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 2;
}

.hero-wave svg {
  width: 100%;
  height: 60px;
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.badge-warning {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

.badge-primary {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

.badge-gold {
  background: #FFFBEB;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.badge-accent {
  background: #FAF5FF;
  color: #7E22CE;
  border: 1px solid #E9D5FF;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.text-center {
  text-align: center;
}

.text-gradient-red {
  color: #DC2626;
  background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-blue {
  color: #2563EB;
  background: linear-gradient(135deg, #1D4ED8 0%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 780px;
  margin: 0 auto 50px auto;
  line-height: 1.65;
}

/* ==========================================================================
   PROBLEM SECTION (A DOR)
   ========================================================================== */
.problem-section {
  background: #F8FAFC;
  text-align: center;
}

.problem-section .section-badge {
  margin-left: auto;
  margin-right: auto;
}

.pain-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 50px;
  text-align: left;
}

.pain-card {
  background: #FFFFFF;
  border: 1px solid #F1F5F9;
  padding: 32px 26px;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  border-color: #E2E8F0;
}

.pain-icon-box {
  width: 52px;
  height: 52px;
  background: #FEE2E2;
  color: #EF4444;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.pain-card h3 {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 12px;
}

.pain-card p {
  color: #64748B;
  font-size: 0.94rem;
  line-height: 1.6;
}

/* Book official quotes matching eBook design */
.book-quote-box {
  max-width: 860px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  padding: 24px 30px;
  text-align: left;
}

.book-quote-gold {
  background: #FFFBEB;
  border: 1.5px solid #FCD34D;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.08);
}

.quote-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.star-badge {
  color: #F59E0B;
  font-size: 1.1rem;
}

.quote-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: #B45309;
  letter-spacing: 0.5px;
}

.quote-body {
  font-size: 1.02rem;
  color: #78350F;
  font-style: italic;
  line-height: 1.65;
}

/* ==========================================================================
   SCIENCE SECTION (CICLOS & NEUROBIOLOGIA)
   ========================================================================== */
.science-section {
  background: #FFFFFF;
}

.science-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.science-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  padding: 34px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.cycle-graphic {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.cycle-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cycle-point {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  flex: 1;
}

.cycle-point small {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  color: #64748B;
  margin-top: 4px;
}

.point-light {
  background: #E0F2FE;
  color: #0369A1;
  border: 1px solid #BAE6FD;
}

.point-deep {
  background: #EDE9FE;
  color: #6D28D9;
  border: 1px solid #DDD6FE;
}

.point-wake {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.cycle-arrow {
  color: #94A3B8;
  font-size: 0.85rem;
}

.science-text h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: #0F172A;
  margin-bottom: 12px;
}

.science-text p {
  color: #475569;
  font-size: 0.96rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.practical-box {
  background: #FFFBEB;
  border: 1px solid #FCD34D;
  padding: 16px 20px;
  border-radius: var(--radius-md);
}

.box-tag {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  color: #B45309;
  margin-bottom: 4px;
}

.practical-box p {
  margin-bottom: 0;
  color: #78350F;
  font-size: 0.9rem;
}

.benefits-neuro-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.benefit-neuro-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #F8FAFC;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  border: 1px solid #F1F5F9;
  transition: transform 0.2s ease;
}

.benefit-neuro-item:hover {
  transform: translateX(4px);
  background: #F0F9FF;
  border-color: #BAE6FD;
}

.benefit-icon {
  width: 44px;
  height: 44px;
  background: #EFF6FF;
  color: #2563EB;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.benefit-info h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #0F172A;
  margin-bottom: 4px;
}

.benefit-info p {
  color: #64748B;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ==========================================================================
   INTERACTIVE CALCULATOR & SLEEP SIGNS
   ========================================================================== */
.calculator-section {
  background: linear-gradient(180deg, #F0F7FF 0%, #E8F2FC 100%);
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}

.interactive-calc-wrapper {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 12px 35px rgba(30, 58, 95, 0.08);
  border: 1px solid #DBEAFE;
}

.age-pills-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.age-pill {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: #F1F5F9;
  color: #475569;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.age-pill:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.age-pill.active {
  background: #0B132B;
  color: #FDE68A;
  border-color: #F59E0B;
  box-shadow: 0 6px 18px rgba(11, 19, 43, 0.25);
  transform: translateY(-2px);
}

.calc-result-card {
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 40px;
  transition: opacity 0.3s ease;
}

.calc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.metric-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  padding: 20px;
  border-radius: var(--radius-md);
  text-align: center;
}

.metric-label {
  font-size: 0.82rem;
  color: #64748B;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #0B132B;
}

.metric-sub {
  font-size: 0.8rem;
  color: #94A3B8;
  display: block;
  margin-top: 4px;
}

.calc-tip-box {
  background: #EFF6FF;
  border-left: 4px solid #3B82F6;
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.94rem;
  color: #1E40AF;
}

/* Signs Checklist */
.signs-checklist-wrap {
  border-top: 1.5px dashed #E2E8F0;
  padding-top: 34px;
}

.signs-header {
  margin-bottom: 20px;
}

.signs-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.signs-title-group h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #0F172A;
}

.text-gold {
  color: #F59E0B;
}

.signs-sub {
  font-size: 0.9rem;
  color: #64748B;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.check-item:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

.check-item input[type="checkbox"] {
  display: none;
}

.custom-check {
  width: 22px;
  height: 22px;
  border: 2px solid #CBD5E1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: transparent;
  transition: all 0.2s ease;
  flex-shrink: 0;
  background: #FFFFFF;
}

.check-item input[type="checkbox"]:checked + .custom-check {
  background: #10B981;
  border-color: #10B981;
  color: #FFFFFF;
}

.check-text {
  font-size: 0.92rem;
  color: #334155;
  font-weight: 500;
}

.book-alert-box {
  background: #FFFBEB;
  border: 1.5px solid #FCD34D;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: #78350F;
  line-height: 1.6;
}

.alert-icon {
  font-weight: 800;
  color: #B45309;
  flex-shrink: 0;
}

/* ==========================================================================
   SPECIAL NEEDS & SENSORY KIDS SECTION
   ========================================================================== */
.special-needs-section {
  background: #0B132B;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.special-inner-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.special-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}

.special-content p {
  color: #CBD5E1;
  font-size: 1.02rem;
  margin-bottom: 30px;
  line-height: 1.65;
}

.special-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.special-point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px;
  border-radius: var(--radius-md);
}

.special-point i {
  color: #FCD34D;
  font-size: 1.3rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.special-point strong {
  display: block;
  font-size: 0.98rem;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.special-point p {
  margin-bottom: 0;
  font-size: 0.88rem;
  color: #94A3B8;
}

.special-visual {
  background: linear-gradient(145deg, #1C2541 0%, #0F172A 100%);
  border: 1px solid rgba(253, 230, 138, 0.25);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.special-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid #F59E0B;
  color: #FDE68A;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.special-illustration {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 24px auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.peaceful-child-icon {
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, #38BDF8 0%, #1E3A5F 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #FFFFFF;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
}

.stars-orbit i {
  position: absolute;
  color: #FCD34D;
  font-size: 0.9rem;
  animation: twinkle 3s infinite ease-in-out;
}

.stars-orbit .s1 { top: 5px; right: 10px; }
.stars-orbit .s2 { bottom: 10px; left: 15px; animation-delay: 1s; }
.stars-orbit .s3 { top: 40px; left: -5px; animation-delay: 2s; }

.special-quote {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 18px;
}

.special-quote p {
  font-style: italic;
  font-size: 0.92rem;
  color: #E2E8F0;
  margin-bottom: 8px;
}

.special-quote span {
  font-size: 0.78rem;
  color: #FCD34D;
  font-weight: 600;
}

/* ==========================================================================
   MODULES SECTION (ÍNDICE DOS 13 CAPÍTULOS)
   ========================================================================== */
.modules-section {
  background: #F8FAFC;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.module-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
  transition: all 0.25s ease;
}

.module-card:hover {
  transform: translateY(-3px);
  border-color: #CBD5E1;
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.08);
}

.mod-num {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: #0369A1;
  background: #E0F2FE;
  padding: 8px 12px;
  border-radius: 10px;
  flex-shrink: 0;
  line-height: 1;
}

.module-card.highlight-card {
  background: #FDF4FF;
  border-color: #F0ABFC;
}

.module-card.highlight-card .mod-num {
  background: #FAE8FF;
  color: #A21CAF;
}

.module-card.highlight-card-gold {
  background: #FFFBEB;
  border-color: #FCD34D;
}

.module-card.highlight-card-gold .mod-num {
  background: #FEF3C7;
  color: #B45309;
}

.mod-content h3 {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  color: #0F172A;
  margin-bottom: 6px;
  line-height: 1.35;
}

.mod-content p {
  color: #64748B;
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ==========================================================================
   BONUSES SECTION
   ========================================================================== */
.bonuses-section {
  background: #FFFFFF;
  border-top: 1px solid #E2E8F0;
}

.bonuses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.bonus-card {
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  position: relative;
  text-align: center;
  transition: all 0.3s ease;
}

.bonus-card:hover {
  transform: translateY(-5px);
  border-color: #F59E0B;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.12);
}

.bonus-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B132B;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
}

.bonus-icon {
  width: 56px;
  height: 56px;
  background: #FEF3C7;
  color: #B45309;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 10px auto 16px auto;
}

.bonus-card h3 {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  color: #0F172A;
  margin-bottom: 10px;
}

.bonus-card p {
  color: #64748B;
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 20px;
}

.bonus-pricing {
  border-top: 1px dashed #CBD5E1;
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.price-original {
  font-size: 0.82rem;
  color: #94A3B8;
  text-decoration: line-through;
}

.price-free {
  font-family: var(--font-heading);
  font-weight: 800;
  color: #10B981;
  font-size: 1.05rem;
}

.total-bonus-callout {
  background: linear-gradient(135deg, #0B132B 0%, #1C2541 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 24px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 10px 30px rgba(11, 19, 43, 0.2);
}

.callout-tag {
  background: rgba(245, 158, 11, 0.2);
  color: #FDE68A;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 6px;
}

.total-bonus-callout h4 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: #FCD34D;
  margin-bottom: 4px;
}

.total-bonus-callout p {
  color: #CBD5E1;
  font-size: 0.92rem;
}

.btn-sm {
  padding: 12px 24px;
  font-size: 0.92rem;
}

/* ==========================================================================
   COMPARISON SECTION
   ========================================================================== */
.comparison-section {
  background: #F8FAFC;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

.comp-col {
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.comp-before {
  background: #FFFFFF;
  border: 1.5px solid #FEE2E2;
}

.comp-before .comp-header {
  color: #DC2626;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.comp-before .comp-header h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #991B1B;
}

.comp-after {
  background: #FFFFFF;
  border: 2px solid #10B981;
  box-shadow: 0 10px 35px rgba(16, 185, 129, 0.12);
}

.comp-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: #10B981;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.comp-after .comp-header {
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.comp-after .comp-header h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #065F46;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.94rem;
  color: #334155;
  line-height: 1.5;
}

.comp-before .comp-list li i {
  color: #EF4444;
  margin-top: 3px;
  flex-shrink: 0;
}

.comp-after .comp-list li i {
  color: #10B981;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
  background: #FFFFFF;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.test-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

.test-card:hover {
  transform: translateY(-4px);
  border-color: #CBD5E1;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.highlight-test {
  background: #F0FDF4;
  border-color: #BBF7D0;
}

.test-stars {
  color: #F59E0B;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.test-text {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 24px;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid #E2E8F0;
  padding-top: 16px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #FFFFFF;
  flex-shrink: 0;
}

.avatar-1 { background: #3B82F6; }
.avatar-2 { background: #8B5CF6; }
.avatar-3 { background: #10B981; }

.author-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.author-info strong {
  font-size: 0.92rem;
  color: #0F172A;
}

.author-info span {
  font-size: 0.78rem;
  color: #64748B;
}

.verified-icon {
  color: #22C55E;
  font-size: 1.3rem;
}

/* Live Notification Toast */
.social-proof-toast {
  position: fixed;
  bottom: 90px;
  left: 20px;
  background: rgba(11, 19, 43, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(253, 230, 138, 0.4);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  z-index: 90;
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.social-proof-toast.visible {
  transform: translateY(0);
  opacity: 1;
}

.toast-avatar {
  width: 34px;
  height: 34px;
  background: #10B981;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #FFFFFF;
}

.toast-text p {
  font-size: 0.82rem;
  margin-bottom: 2px;
}

.toast-verified {
  font-size: 0.72rem;
  color: #FDE68A;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   OFFER SECTION (CHECKOUT ANCHOR)
   ========================================================================== */
.offer-section {
  background: linear-gradient(180deg, #0B132B 0%, #070D1E 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.offer-box {
  background: rgba(28, 37, 65, 0.8);
  border: 2px solid rgba(245, 158, 11, 0.5);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.offer-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 100px;
  background: radial-gradient(ellipse, rgba(245, 158, 11, 0.3) 0%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

.offer-ribbon {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #DC2626 0%, #EF4444 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 6px 24px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
}

.offer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.offer-sub {
  font-size: 0.82rem;
  font-weight: 700;
  color: #FDE68A;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 8px;
}

.offer-main-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  color: #FFFFFF;
  margin-bottom: 12px;
  line-height: 1.25;
}

.offer-desc {
  color: #94A3B8;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.offer-included-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.offer-included-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #E2E8F0;
}

.offer-included-list li i {
  color: #22C55E;
  font-size: 0.9rem;
}

.security-badges-row {
  display: flex;
  align-items: center;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  flex-wrap: wrap;
}

.sec-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: #94A3B8;
}

.sec-item i {
  color: #FCD34D;
}

.offer-pricing-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  color: #0F172A;
  padding: 34px 28px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.price-strikethrough {
  font-size: 1rem;
  color: #94A3B8;
  text-decoration: line-through;
  display: block;
}

.price-condition {
  font-size: 0.88rem;
  font-weight: 600;
  color: #64748B;
  display: block;
  margin: 4px 0;
}

.price-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  font-family: var(--font-heading);
  line-height: 1;
  color: #0B132B;
}

.price-cur {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 6px;
  margin-right: 2px;
}

.price-val {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -2px;
  color: #0B132B;
}

.price-cents {
  font-size: 1.6rem;
  font-weight: 800;
  margin-top: 6px;
}

.price-installments {
  font-size: 0.95rem;
  color: #475569;
  margin: 8px 0 24px 0;
}

.price-installments strong {
  color: #0B132B;
}

.btn-checkout {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  width: 100%;
  padding: 16px 20px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.45);
  margin-bottom: 20px;
}

.btn-checkout:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.6);
}

.payment-methods {
  margin-bottom: 20px;
}

.pay-label {
  font-size: 0.75rem;
  color: #64748B;
  display: block;
  margin-bottom: 8px;
}

.pay-icons {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pay-pill {
  background: #F1F5F9;
  font-size: 0.72rem;
  font-weight: 700;
  color: #334155;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-guarantee-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  text-align: left;
}

.badge-mini {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

.card-guarantee-mini p {
  font-size: 0.76rem;
  color: #64748B;
  line-height: 1.4;
}

/* ==========================================================================
   7-DAY GUARANTEE SECTION
   ========================================================================== */
.guarantee-section {
  background: #FFFFFF;
}

.guarantee-box {
  background: #FFFBEB;
  border: 2px solid #FCD34D;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 44px;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.1);
}

.guarantee-badge-col {
  flex-shrink: 0;
}

.badge-large {
  width: 170px;
  height: 170px;
}

.guarantee-tag {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #B45309;
  display: block;
  margin-bottom: 8px;
}

.guarantee-text-col h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  color: #78350F;
  margin-bottom: 14px;
  line-height: 1.25;
}

.guarantee-text-col p {
  color: #92400E;
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 14px;
}

.guarantee-text-col .btn {
  margin-top: 10px;
}

/* ==========================================================================
   FAQ ACCORDION SECTION
   ========================================================================== */
.faq-section {
  background: #F8FAFC;
}

.faq-container {
  max-width: 820px;
}

.faq-section .section-badge {
  margin-left: auto;
  margin-right: auto;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item.active {
  border-color: #3B82F6;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.08);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #0F172A;
  background: none;
}

.faq-arrow {
  color: #64748B;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: #2563EB;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.4s ease-in-out;
}

.faq-answer p {
  padding: 0 24px 22px 24px;
  color: #475569;
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */
.final-cta-section {
  background: linear-gradient(135deg, #0B132B 0%, #1C2541 100%);
  color: #FFFFFF;
  text-align: center;
  padding: 90px 0;
}

.final-cta-card {
  max-width: 780px;
  margin: 0 auto;
}

.final-moon-icon {
  font-size: 3.5rem;
  color: #FCD34D;
  margin-bottom: 20px;
  animation: float-slow 4s ease-in-out infinite alternate;
}

.final-cta-card h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
}

.final-cta-card p {
  font-size: 1.1rem;
  color: #CBD5E1;
  margin-bottom: 34px;
  line-height: 1.65;
}

.btn-large {
  padding: 18px 42px;
  font-size: 1.2rem;
}

.sub-guarantee-text {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
  color: #94A3B8;
}

/* ==========================================================================
   STICKY BOTTOM BAR
   ========================================================================== */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 19, 43, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(253, 230, 138, 0.3);
  padding: 12px 0;
  z-index: 92;
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.35);
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticky-bottom-bar.visible {
  transform: translateY(0);
}

.sticky-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.sticky-thumb {
  width: 38px;
  height: 38px;
  background: #F59E0B;
  color: #0B132B;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.sticky-text {
  display: flex;
  flex-direction: column;
  color: #FFFFFF;
}

.sticky-text strong {
  font-size: 0.92rem;
}

.sticky-price {
  font-size: 0.78rem;
  color: #FDE68A;
}

.btn-sticky {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B132B;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-sticky:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #070D1E;
  color: #94A3B8;
  padding: 60px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-title {
  font-size: 1.5rem;
}

.footer-brand p {
  max-width: 480px;
  font-size: 0.88rem;
  color: #64748B;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.88rem;
  color: #CBD5E1;
}

.footer-links a:hover {
  color: #FDE68A;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  max-width: 800px;
}

.copyright {
  font-size: 0.82rem;
  color: #64748B;
  margin-bottom: 8px;
}

.disclaimer {
  font-size: 0.74rem;
  color: #475569;
  line-height: 1.5;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-highlights {
    max-width: 600px;
    text-align: left;
  }

  .science-grid {
    grid-template-columns: 1fr;
  }

  .special-inner-card {
    grid-template-columns: 1fr;
  }

  .offer-grid {
    grid-template-columns: 1fr;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Mobile navigation simplified to direct CTA */
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .announcement-content {
    justify-content: center;
    text-align: center;
  }

  .guarantee-box {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }

  .interactive-calc-wrapper {
    padding: 24px 18px;
  }

  .offer-box {
    padding: 36px 20px;
  }

  .sticky-left .sticky-text strong {
    font-size: 0.82rem;
  }

  .sticky-left .sticky-price {
    font-size: 0.72rem;
  }

  .btn-sticky {
    padding: 8px 16px;
    font-size: 0.82rem;
  }

  .social-proof-toast {
    left: 10px;
    right: 10px;
    bottom: 80px;
  }
}

@media (max-width: 480px) {
  .btn-primary {
    padding: 14px 20px;
    font-size: 1rem;
    width: 100%;
  }

  .btn-main-text {
    font-size: 1rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .floating-pill {
    display: none; /* Prevent clutter on small mobile */
  }

  .age-pill {
    padding: 10px 16px;
    font-size: 0.85rem;
    width: 100%;
    justify-content: center;
  }
}