/* ============================================================
   DESIGN SYSTEM — BARAODOCHARUTO.COM.BR
   Premium Dark Theme — Streaming/Tech Aesthetic
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES (TOKENS)
   ============================================================ */
:root {
    /* Colors */
    --color-primary: #6C5CE7;
    --color-primary-light: #8B7FF0;
    --color-primary-dark: #4A3BC1;
    --color-secondary: #00A8CC;
    --color-secondary-light: #00C2E8;
    --color-accent: #FF5A5F;
    --color-accent-light: #FF7A7F;
    --color-success: #00A86B;
    --color-warning: #F5A623;
    
    /* Background */
    --bg-body: #FFFFFF;
    --bg-surface: #F7F7FC;
    --bg-surface-2: #F1EFFB;
    --bg-surface-3: #E9E5F9;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FAF9FF;
    
    /* Text */
    --text-primary: #2E2E3F;
    --text-secondary: #5C5C74;
    --text-muted: #8A8AA3;
    --text-heading: #1A1A2E;
    --text-on-primary: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #00A8CC 100%);
    --gradient-hero: linear-gradient(135deg, #F5F3FF 0%, #EEF0FF 50%, #E8FAFC 100%);
    --gradient-cta: linear-gradient(135deg, #6C5CE7 0%, #A855F7 50%, #00A8CC 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FAF9FF 100%);
    --gradient-footer: linear-gradient(180deg, #F7F7FC 0%, #EFEDF9 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(30, 20, 60, 0.06);
    --shadow-md: 0 4px 16px rgba(30, 20, 60, 0.08);
    --shadow-lg: 0 8px 32px rgba(30, 20, 60, 0.1);
    --shadow-xl: 0 16px 48px rgba(30, 20, 60, 0.12);
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.25);
    --shadow-glow-cyan: 0 0 30px rgba(0, 168, 204, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-index */
    --z-header: 100;
    --z-mobile-menu: 200;
    --z-whatsapp: 90;
    --z-modal: 300;
    
    /* Container */
    --container-max: 1200px;
    --container-wide: 1400px;
    --container-narrow: 800px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-secondary-light);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--color-primary);
    color: var(--text-on-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: var(--z-modal);
    font-weight: 600;
}
.skip-link:focus {
    top: var(--space-md);
}

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

.container--wide {
    max-width: var(--container-wide);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section--alt {
    background: var(--bg-surface);
}

.section--gradient {
    background: var(--gradient-hero);
}

.section--dark {
    background: var(--bg-surface-2);
}

.section-header {
    margin-bottom: var(--space-3xl);
}

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

.section-header__title {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 700px;
}

.section-header--center .section-header__subtitle {
    margin: 0 auto;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(20, 18, 40, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(108, 92, 231, 0.1);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header--scrolled {
    background: rgba(20, 18, 40, 0.95);
    box-shadow: 0 4px 30px rgba(30, 20, 60, 0.08);
    border-bottom-color: rgba(108, 92, 231, 0.2);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--space-lg);
}

.site-header__logo {
    flex-shrink: 0;
}

.site-header__logo-img {
    height: 36px;
    width: auto;
}

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.site-nav__link {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link--active {
    color: var(--text-heading);
    background: rgba(108, 92, 231, 0.1);
}

.site-nav__link--active {
    color: var(--color-secondary);
}

.site-header__cta {
    flex-shrink: 0;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-mobile-menu) + 1);
}

.menu-toggle__bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle--active .menu-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle--active .menu-toggle__bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle--active .menu-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-mobile-menu);
}

.mobile-menu--active {
    display: block;
}

.mobile-menu__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.mobile-menu__panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--bg-surface);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
}

.mobile-menu--active .mobile-menu__panel {
    transform: translateX(0);
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(20, 18, 40, 0.1);
}

.mobile-menu__close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu__close:hover {
    color: var(--text-heading);
    background: rgba(20, 18, 40, 0.1);
}

.mobile-menu__list {
    flex: 1;
}

.mobile-menu__link {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    font-weight: 500;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(20, 18, 40, 0.05);
    transition: color var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
    color: var(--color-secondary);
}

.mobile-menu__cta {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(20, 18, 40, 0.1);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px;
    min-width: 44px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.5);
    color: var(--text-on-primary);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--text-heading);
    border: 2px solid rgba(20, 18, 40, 0.2);
}

.btn-secondary:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    background: rgba(0, 210, 255, 0.05);
}

.btn-outline {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-outline:hover {
    background: var(--color-secondary);
    color: var(--bg-body);
}

.btn-sm {
    padding: 10px 20px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 18px 36px;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px; /* header height */
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.5; }
    100% { transform: scale(1.2) translate(30px, -20px); opacity: 1; }
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    padding: var(--space-4xl) 0;
}

.hero__content {
    max-width: 600px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-xl);
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--text-heading);
}

.hero__title-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: var(--line-height-relaxed);
}

.hero__buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(20, 18, 40, 0.1);
}

.hero__stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-secondary);
}

.hero__stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-height: 500px;
    object-fit: cover;
}

.hero__image::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--gradient-primary);
    border-radius: calc(var(--radius-xl) + 4px);
    opacity: 0.3;
    z-index: -1;
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.feature-card__icon {
    width: 56px;
    height: 56px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--color-primary-light);
}

.feature-card__icon svg {
    width: 28px;
    height: 28px;
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-card__text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* ============================================================
   DEVICE CARDS
   ============================================================ */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.device-card {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid rgba(20, 18, 40, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.device-card:hover {
    border-color: rgba(0, 210, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-cyan);
}

.device-card__icon {
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: center;
}

.device-card__icon svg {
    width: 48px;
    height: 48px;
}

.device-card__name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.device-card__desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ============================================================
   STEP CARDS
   ============================================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-xl);
    counter-reset: step;
}

.step-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(20, 18, 40, 0.05);
    text-align: center;
}

.step-card__number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
    margin: 0 auto var(--space-lg);
}

.step-card__icon {
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
    display: flex;
    justify-content: center;
}

.step-card__icon svg {
    width: 36px;
    height: 36px;
}

.step-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.step-card__desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ============================================================
   PLAN CARDS
   ============================================================ */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    align-items: stretch;
}

.plan-card {
    background: var(--gradient-card);
    border: 1px solid rgba(20, 18, 40, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.plan-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
}

.plan-card--highlight {
    border-color: var(--color-primary);
    position: relative;
    box-shadow: var(--shadow-glow);
}

.plan-card--highlight::before {
    content: 'Mais Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-card__header {
    text-align: center;
    padding-bottom: var(--space-xl);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(20, 18, 40, 0.08);
}

.plan-card__name {
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.plan-card__features {
    flex: 1;
    margin-bottom: var(--space-xl);
}

.plan-card__feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.plan-card__check {
    color: var(--color-success);
    flex-shrink: 0;
}

.plan-card__cta {
    margin-top: auto;
}

.plan-card__cta .btn {
    width: 100%;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-accordion {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(20, 18, 40, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    background: var(--bg-card);
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(108, 92, 231, 0.2);
}

.faq-question {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    background: none;
    border: none;
    color: var(--text-heading);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: 44px;
}

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

.faq-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-chevron {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-slow);
}

.faq-answer:not([hidden]) {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 var(--space-xl) var(--space-xl);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

.faq-answer-inner p {
    margin-bottom: var(--space-md);
}

.faq-answer-inner p:last-child {
    margin-bottom: 0;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid rgba(20, 18, 40, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.testimonial-card--empty {
    border-style: dashed;
    border-color: rgba(20, 18, 40, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.testimonial-card--empty .testimonial-card__text {
    color: var(--text-muted);
    font-style: italic;
}

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

.star {
    color: var(--text-muted);
}

.star--filled {
    color: var(--color-warning);
}

.testimonial-card__text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.testimonial-card__author strong {
    color: var(--text-heading);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    padding: var(--space-5xl) 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
}

.cta-section__inner {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-section__title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

.cta-section__buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(20, 18, 40, 0.05);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.comparison-table th {
    background: var(--bg-surface-2);
    padding: var(--space-lg);
    text-align: left;
    font-weight: 700;
    color: var(--text-heading);
    border-bottom: 2px solid rgba(108, 92, 231, 0.2);
    white-space: nowrap;
}

.comparison-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(20, 18, 40, 0.03);
    color: var(--text-secondary);
}

.comparison-table tr:hover td {
    background: rgba(108, 92, 231, 0.05);
}

/* ============================================================
   RELATED CARDS
   ============================================================ */
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.related-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid rgba(20, 18, 40, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    text-decoration: none;
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
}

.related-card__icon {
    color: var(--color-primary-light);
    margin-bottom: var(--space-md);
}

.related-card__icon svg {
    width: 32px;
    height: 32px;
}

.related-card__title {
    font-size: var(--font-size-lg);
    color: var(--text-heading);
    margin-bottom: var(--space-sm);
}

.related-card__desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.related-card__link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs {
    padding: var(--space-lg) 0;
}

.breadcrumbs__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.breadcrumbs__link {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.breadcrumbs__link:hover {
    color: var(--color-secondary);
}

.breadcrumbs__current {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.breadcrumbs__separator {
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.breadcrumbs__separator svg {
    width: 14px;
    height: 14px;
}

/* ============================================================
   CONTENT SECTIONS (for inner pages)
   ============================================================ */
.content-section {
    padding: var(--space-4xl) 0;
}

.content-section + .content-section {
    border-top: 1px solid rgba(20, 18, 40, 0.03);
}

.content-block {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.content-block h2 {
    margin-bottom: var(--space-lg);
}

.content-block h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.content-block p {
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

.content-block ul,
.content-block ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.content-block ul {
    list-style: disc;
}

.content-block ol {
    list-style: decimal;
}

.content-block li {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-relaxed);
}

.content-block img {
    border-radius: var(--radius-lg);
    margin: var(--space-2xl) 0;
}

/* Inline section image with text */
.content-with-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.content-with-image--reverse {
    direction: rtl;
}

.content-with-image--reverse > * {
    direction: ltr;
}

.content-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.content-image img {
    width: 100%;
    height: auto;
    margin: 0;
    border-radius: 0;
}

/* ============================================================
   WHATSAPP WIDGET
   ============================================================ */
.whatsapp-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--z-whatsapp);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
}

.whatsapp-widget:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-widget__icon {
    width: 32px;
    height: 32px;
}

.whatsapp-widget__pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: whatsapp-pulse 2s ease-out infinite;
}

@keyframes whatsapp-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--gradient-footer);
    padding-top: var(--space-5xl);
    border-top: 1px solid rgba(108, 92, 231, 0.1);
}

.site-footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
}

.site-footer__logo {
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.site-footer__logo img {
    height: 36px;
    width: auto;
}

.site-footer__description {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

.site-footer__social {
    display: flex;
    gap: var(--space-md);
}

.site-footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(20, 18, 40, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.site-footer__social-link:hover {
    background: var(--color-primary);
    color: white;
}

.site-footer__heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-heading);
    margin-bottom: var(--space-lg);
}

.site-footer__links li {
    margin-bottom: var(--space-sm);
}

.site-footer__links a {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.site-footer__links a:hover {
    color: var(--color-secondary);
}

.site-footer__whatsapp {
    margin-top: var(--space-lg);
}

.site-footer__bottom {
    padding: var(--space-xl) 0;
    border-top: 1px solid rgba(20, 18, 40, 0.05);
    text-align: center;
}

.site-footer__copyright {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.page-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--space-lg);
}

.page-hero__description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-xl);
}

.page-hero__cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================================
   ANIMATIONS (Intersection Observer based)
   ============================================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

/* ============================================================
   404 PAGE
   ============================================================ */
.page-404 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.page-404__code {
    font-size: 8rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.page-404__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.page-404__text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.page-404__links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}