/* ============================================
   MASTERSUN ENERGIA SOLAR — Design System
   Theme: Solar Monolith
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;600;700;800;900&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-navy: #0D3B66;
  --color-navy-light: #0B3259;
  --color-navy-mid: #1565C0;
  --color-amber: #F5A623;
  --color-amber-light: #FFBF4A;
  --color-amber-dark: #D4891A;
  --color-green: #86C600;
  --color-green-dark: #6BA000;
  --color-white: #FFFFFF;
  --color-light: #F8F9FA;
  --color-light-warm: #FFF9F0;
  --color-text-dark: #1A1A2E;
  --color-text-light: #E8E8ED;
  --color-text-muted: #8A8FA8;
  --color-border-dark: rgba(255,255,255,0.08);
  --color-border-light: rgba(10,22,40,0.08);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --fw-black: 900;

  /* Spacing (8-point grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 120px;

  /* Layout */
  --max-width: 1200px;
  --radius-sharp: 2px;
  --radius-sm: 4px;

  /* Animation */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;
  --duration-reveal: 800ms;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.12);
  --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.18);
  --shadow-amber: 0 4px 30px rgba(245,166,35,0.3);
  --shadow-amber-strong: 0 8px 50px rgba(245,166,35,0.45);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-navy);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-dark {
  background-color: var(--color-navy);
  color: var(--color-text-light);
}

.section-light {
  background-color: var(--color-light);
  color: var(--color-text-dark);
}

.section-warm {
  background-color: var(--color-light-warm);
  color: var(--color-text-dark);
}

.accent-text {
  color: var(--color-amber);
}

.green-text {
  color: var(--color-green);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.section-dark .section-label {
  color: var(--color-amber);
}

.section-light .section-label,
.section-warm .section-label {
  color: var(--color-amber-dark);
}

.section-title {
  font-size: clamp(28px, 5vw, 48px);
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: var(--fw-regular);
  line-height: 1.6;
  max-width: 600px;
  opacity: 0.8;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: transparent;
  transition: background var(--duration-normal) var(--ease-smooth),
              padding var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.header.scrolled {
  background: rgba(13, 59, 102, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--space-sm) 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: 20px;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--color-amber);
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.header-nav a {
  color: var(--color-text-light);
  font-size: 14px;
  font-weight: var(--fw-medium);
  opacity: 0.8;
  transition: opacity var(--duration-fast);
}

.header-nav a:hover {
  opacity: 1;
  color: var(--color-amber);
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  background: var(--color-amber);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 14px;
  border-radius: var(--radius-sharp);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast) var(--ease-smooth);
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-amber);
}

.btn-header-cta svg {
  width: 18px;
  height: 18px;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--duration-normal) var(--ease-spring),
              opacity var(--duration-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 22, 40, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-smooth),
              visibility var(--duration-normal);
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: var(--fw-bold);
  transition: color var(--duration-fast);
}

.mobile-nav a:hover {
  color: var(--color-amber);
}

@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }
  .mobile-menu-toggle {
    display: none;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, 
      rgba(10,22,40,0.85) 0%, 
      rgba(10,22,40,0.6) 40%, 
      rgba(10,22,40,0.9) 100%
    );
}

/* Solar glow effect */
.hero-glow {
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(245,166,35,0.15) 0%, transparent 70%);
  z-index: 3;
  animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 4;
  padding: var(--space-5xl) 0 var(--space-4xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: var(--radius-sharp);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  color: var(--color-amber);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.03em;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: clamp(40px, 8vw, 88px);
  font-weight: var(--fw-black);
  color: var(--color-white);
  line-height: 1.0;
  margin-bottom: var(--space-lg);
  max-width: 800px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-amber) 0%, var(--color-amber-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--color-text-light);
  opacity: 0.85;
  max-width: 520px;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-dark);
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: var(--fw-black);
  color: var(--color-amber);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 32px;
  background: var(--color-amber);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 16px;
  border-radius: var(--radius-sharp);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-smooth),
              background var(--duration-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.15) 100%);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-amber-strong);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-primary svg {
  width: 20px;
  height: 20px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 32px;
  background: transparent;
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sharp);
  transition: border-color var(--duration-fast),
              background var(--duration-fast),
              transform var(--duration-fast) var(--ease-spring);
}

.btn-secondary:hover {
  border-color: var(--color-amber);
  background: rgba(245,166,35,0.08);
  transform: translateY(-2px);
}

.btn-secondary svg {
  width: 20px;
  height: 20px;
}

/* Dark theme button for light sections */
.btn-primary-dark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 32px;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 16px;
  border-radius: var(--radius-sharp);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.btn-primary-dark:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(10,22,40,0.3);
}

.btn-primary-dark svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   BENEFITS
   ============================================ */
.benefits {
  padding: var(--space-5xl) 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.benefit-card {
  background: var(--color-navy-light);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-xl);
  border-radius: var(--radius-sharp);
  transition: transform var(--duration-normal) var(--ease-spring),
              border-color var(--duration-normal),
              box-shadow var(--duration-normal);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-spring);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245,166,35,0.2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,166,35,0.1);
  border-radius: var(--radius-sharp);
  margin-bottom: var(--space-lg);
  color: var(--color-amber);
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
}

.benefit-card h3 {
  font-size: 20px;
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.benefit-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   HOW IT WORKS (COMO FUNCIONA)
   ============================================ */
.how-it-works {
  padding: var(--space-5xl) 0;
}

.timeline {
  margin-top: var(--space-2xl);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-amber) 0%, var(--color-green) 100%);
  opacity: 0.3;
}

.timeline-item {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  position: relative;
}

.timeline-marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  border: 2px solid var(--color-amber);
  border-radius: var(--radius-sharp);
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: 20px;
  color: var(--color-amber);
  position: relative;
  z-index: 2;
  transition: background var(--duration-normal),
              transform var(--duration-fast) var(--ease-spring);
}

.timeline-item:hover .timeline-marker {
  background: var(--color-amber);
  color: var(--color-navy);
  transform: scale(1.1);
}

.timeline-content h3 {
  font-size: 22px;
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
}

.timeline-content p {
  font-size: 15px;
  color: var(--color-text-dark);
  opacity: 0.7;
  line-height: 1.6;
  max-width: 500px;
}

.timeline-content .timeline-tag {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 4px 12px;
  background: rgba(245,166,35,0.1);
  color: var(--color-amber-dark);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sharp);
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .timeline-item {
    width: 50%;
    padding: var(--space-xl) var(--space-xl);
  }

  .timeline-item:nth-child(odd) {
    align-self: flex-start;
    flex-direction: row-reverse;
    text-align: right;
  }

  .timeline-item:nth-child(odd) .timeline-marker {
    position: absolute;
    right: -28px;
  }

  .timeline-item:nth-child(even) {
    align-self: flex-end;
  }

  .timeline-item:nth-child(even) .timeline-marker {
    position: absolute;
    left: -28px;
  }
}

/* ============================================
   SIMULAÇÃO DE ECONOMIA
   ============================================ */
.simulation {
  padding: var(--space-5xl) 0;
}

.simulation-card {
  background: var(--color-navy-light);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sharp);
  padding: var(--space-2xl);
  max-width: 700px;
  margin: var(--space-2xl) auto 0;
}

.simulation-input-group {
  margin-bottom: var(--space-xl);
}

.simulation-input-group label {
  display: block;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.simulation-value-display {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: var(--fw-black);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-align: center;
}

.simulation-value-display span {
  font-size: 0.5em;
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
  vertical-align: super;
}

/* Slider */
.slider-container {
  position: relative;
  padding: var(--space-md) 0;
}

.slider-track {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--color-navy-mid);
  outline: none;
  border-radius: 0;
  cursor: pointer;
}

.slider-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  background: var(--color-amber);
  border: 3px solid var(--color-navy);
  border-radius: var(--radius-sharp);
  cursor: grab;
  box-shadow: var(--shadow-amber);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast);
}

.slider-track::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-amber-strong);
}

.slider-track::-webkit-slider-thumb:active {
  cursor: grabbing;
}

.slider-track::-moz-range-thumb {
  width: 28px;
  height: 28px;
  background: var(--color-amber);
  border: 3px solid var(--color-navy);
  border-radius: var(--radius-sharp);
  cursor: grab;
  box-shadow: var(--shadow-amber);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-sm);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Results */
.simulation-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-dark);
}

.result-item {
  text-align: center;
  padding: var(--space-lg);
  background: rgba(245,166,35,0.05);
  border: 1px solid rgba(245,166,35,0.1);
  border-radius: var(--radius-sharp);
}

.result-item.highlight-result {
  grid-column: 1 / -1;
  background: rgba(134,198,0,0.08);
  border-color: rgba(134,198,0,0.2);
}

.result-label {
  font-size: 12px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.result-value {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: var(--fw-black);
  color: var(--color-amber);
}

.result-item.highlight-result .result-value {
  color: var(--color-green);
}

.simulation-cta {
  margin-top: var(--space-xl);
  text-align: center;
}

.simulation-note {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  text-align: center;
  opacity: 0.7;
}

/* ============================================
   DEPOIMENTOS (TESTIMONIALS)
   ============================================ */
.testimonials {
  padding: var(--space-5xl) 0;
  overflow: hidden;
}

.testimonials-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.rating-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.rating-number {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: var(--fw-black);
  color: var(--color-amber);
  line-height: 1;
}

.rating-stars {
  display: flex;
  gap: 4px;
}

.rating-stars svg {
  width: 24px;
  height: 24px;
  color: var(--color-amber);
  fill: var(--color-amber);
}

.rating-count {
  font-size: 14px;
  color: var(--color-text-dark);
  opacity: 0.6;
  margin-top: var(--space-xs);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  padding: var(--space-xl);
  border-radius: var(--radius-sharp);
  transition: transform var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: var(--fw-black);
  color: var(--color-amber);
  opacity: 0.15;
  position: absolute;
  top: 8px;
  left: 16px;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  fill: var(--color-amber);
  color: var(--color-amber);
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sharp);
  background: var(--color-navy);
  color: var(--color-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: 16px;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: var(--fw-semibold);
  font-size: 15px;
  color: var(--color-text-dark);
}

.testimonial-date {
  font-size: 12px;
  color: var(--color-text-dark);
  opacity: 0.5;
}

.testimonials-source {
  text-align: center;
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 14px;
  color: var(--color-text-dark);
  opacity: 0.6;
}

.testimonials-source svg {
  width: 20px;
  height: 20px;
}

/* --- Testimonials 3D Carousel --- */
.carousel-container {
  position: relative;
  margin-top: var(--space-2xl);
}

.carousel-stage {
  position: relative;
  perspective: 1200px;
  overflow: visible;
  height: 360px;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.carousel-track .testimonial-card {
  position: absolute;
  top: 0;
  left: 50%;
  width: 360px;
  max-width: 85%;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) scale(0.6) rotateY(0deg);
  transition:
    transform 0.9s cubic-bezier(0.23, 1, 0.32, 1),
    opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1),
    filter 0.9s cubic-bezier(0.23, 1, 0.32, 1);
  filter: blur(0px);
  z-index: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Card states — applied via JS data-offset attribute */
.carousel-track .testimonial-card[data-offset="0"] {
  opacity: 1;
  pointer-events: auto;
  z-index: 10;
  transform: translateX(-50%) scale(1) rotateY(0deg) translateZ(40px);
  filter: blur(0px);
}

.carousel-track .testimonial-card[data-offset="1"] {
  opacity: 0.5;
  z-index: 5;
  transform: translateX(15%) scale(0.82) rotateY(-14deg) translateZ(-30px);
  filter: blur(1px);
}

.carousel-track .testimonial-card[data-offset="-1"] {
  opacity: 0.5;
  z-index: 5;
  transform: translateX(-115%) scale(0.82) rotateY(14deg) translateZ(-30px);
  filter: blur(1px);
}

.carousel-track .testimonial-card[data-offset="2"] {
  opacity: 0.15;
  z-index: 2;
  transform: translateX(60%) scale(0.65) rotateY(-25deg) translateZ(-80px);
  filter: blur(2px);
}

.carousel-track .testimonial-card[data-offset="-2"] {
  opacity: 0.15;
  z-index: 2;
  transform: translateX(-160%) scale(0.65) rotateY(25deg) translateZ(-80px);
  filter: blur(2px);
}

/* Mobile adjustments */
@media (max-width: 767px) {
  /* Prevent horizontal scroll from 3D carousel elements */
  .carousel-container {
    overflow-x: hidden;
    padding: var(--space-md) 0;
    width: 100%;
  }

  .carousel-stage {
    height: 380px;
    perspective: none !important;
  }

  .carousel-track {
    transform-style: flat !important;
  }

  .carousel-track .testimonial-card {
    width: 310px;
    max-width: 90%;
    padding: var(--space-lg) var(--space-md);
    backface-visibility: visible !important;
    -webkit-backface-visibility: visible !important;
  }

  .carousel-track .testimonial-card[data-offset="0"] {
    transform: translateX(-50%) scale(1) !important;
    filter: blur(0);
    opacity: 1;
    z-index: 10;
    pointer-events: auto;
  }

  .carousel-track .testimonial-card[data-offset="1"] {
    opacity: 0.35;
    transform: translateX(15%) scale(0.7) !important;
    filter: blur(1.5px);
    z-index: 5;
  }

  .carousel-track .testimonial-card[data-offset="-1"] {
    opacity: 0.35;
    transform: translateX(-115%) scale(0.7) !important;
    filter: blur(1.5px);
    z-index: 5;
  }

  .carousel-track .testimonial-card[data-offset="2"],
  .carousel-track .testimonial-card[data-offset="-2"] {
    opacity: 0;
    z-index: 0;
  }

  /* General mobile spacing refinements */
  .container {
    padding: 0 var(--space-md);
  }

  .benefits,
  .how-it-works,
  .simulation,
  .testimonials,
  .faq,
  .cta-final {
    padding: var(--space-3xl) 0;
  }

  /* Hero Section adjustments */
  .hero-content {
    padding: var(--space-5xl) 0 var(--space-3xl);
  }

  .hero-badge {
    margin-bottom: var(--space-md);
  }

  .hero-title {
    font-size: clamp(32px, 7vw, 56px);
    line-height: 1.1;
  }

  .hero-description {
    margin-bottom: var(--space-xl);
  }

  .hero-stats {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg) var(--space-md);
  }

  .hero-stat {
    text-align: center;
    flex: 1 1 130px;
    max-width: 160px;
  }

  /* Benefit Cards */
  .benefit-card {
    padding: var(--space-lg) var(--space-md);
  }

  /* Timeline adjustments on mobile */
  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    width: 40px;
    height: 40px;
    font-size: 16px;
    border-width: 2px;
  }

  .timeline-item {
    gap: var(--space-md);
    padding: var(--space-lg) 0;
  }

  /* Simulation card padding */
  .simulation-card {
    padding: var(--space-lg) var(--space-md);
    margin-top: var(--space-xl);
  }

  .result-item {
    padding: var(--space-md);
  }

  /* FAQ questions */
  .faq-question {
    padding: var(--space-md) 0;
    font-size: 16px;
  }

  /* Footer spacing */
  .footer {
    padding: var(--space-2xl) 0 var(--space-md);
  }

  .footer-grid {
    gap: var(--space-xl);
  }
}

/* Tablet: show 2 prominently */
@media (min-width: 768px) and (max-width: 1023px) {
  .carousel-stage {
    height: 370px;
  }

  .carousel-track .testimonial-card {
    width: 340px;
  }
}

/* Desktop: wider cards */
@media (min-width: 1024px) {
  .carousel-track .testimonial-card {
    width: 380px;
    max-width: 32%;
  }
}

/* Controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  position: relative;
  z-index: 20;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 50%;
  cursor: pointer;
  transition:
    background var(--duration-fast),
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-normal);
}

.carousel-btn:hover {
  background: var(--color-navy);
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(13,59,102,0.25);
}

.carousel-btn:hover svg {
  stroke: var(--color-white);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-dark);
  transition: stroke var(--duration-fast);
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.15);
  cursor: pointer;
  transition:
    background var(--duration-normal),
    transform var(--duration-fast) var(--ease-spring),
    width var(--duration-normal) var(--ease-spring);
  padding: 0;
}

.carousel-dot.active {
  background: var(--color-amber);
  transform: scale(1);
  width: 24px;
  border-radius: 4px;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding: var(--space-5xl) 0;
}

.faq-list {
  max-width: 740px;
  margin: var(--space-2xl) auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-dark);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-light);
  text-align: left;
  cursor: pointer;
  transition: color var(--duration-fast);
  gap: var(--space-md);
}

.faq-question:hover {
  color: var(--color-amber);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-normal) var(--ease-spring);
}

.faq-icon svg {
  width: 16px;
  height: 16px;
  color: var(--color-amber);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-smooth),
              padding var(--duration-slow) var(--ease-smooth);
}

.faq-answer-inner {
  padding-bottom: var(--space-lg);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
  padding: var(--space-5xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(245,166,35,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-final .section-title {
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.cta-final .section-subtitle {
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-navy-light);
  padding: var(--space-3xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
}

.footer-logo .logo-text {
  font-size: 18px;
}

.footer-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 14px;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--color-amber);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-amber);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  font-size: 13px;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 60px;
  height: 60px;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sharp);
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast);
  animation: floatPulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  color: white;
  fill: white;
}

@keyframes floatPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.6); }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-spring);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-spring);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-spring);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-spring);
}

.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Staggered delay for children */
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 100ms; }
.stagger > *:nth-child(3) { transition-delay: 200ms; }
.stagger > *:nth-child(4) { transition-delay: 300ms; }
.stagger > *:nth-child(5) { transition-delay: 400ms; }

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

  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
  }

  .hero-glow {
    animation: none;
  }

  .whatsapp-float {
    animation: none;
  }
}

/* ============================================
   RESPONSIVE FINE-TUNING
   ============================================ */
@media (max-width: 639px) {

  .simulation-results {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    justify-content: center;
  }
}