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

:root {
    /* Colors */
    --primary: #B4637a;
    --primary-dark: #B4637a;
    --primary-light: #ec4899;
    --secondary: #fbdada;
    --accent: #f43f5e;
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-white {
    background: var(--white);
    color: var(--primary-dark);
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-header {
    background: var(--primary);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-header:hover {
    background: var(--primary-dark);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgb(255, 255, 255);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
}

.nav-desktop {
    display: none;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-desktop a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-desktop a:hover {
    color: var(--primary);
}

.header .btn-header {
    display: none;
}

@media (min-width: 768px) {
    .header .btn-header {
        display: inline-flex;
    }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
}

.mobile-nav .btn {
    margin-top: var(--spacing-md);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--secondary) 0%, #bee0d8 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230d9488' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    display: grid;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 400px;
        gap: var(--spacing-3xl);
    }
}

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

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    text-wrap: balance;
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .hero-description {
        margin: 0 0 var(--spacing-xl);
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-cta {
        align-items: flex-start;
    }
}

.cta-note {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Value Card */
.hero-card {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 380px;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

.value-card {
    display: none;
}

.value-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.value-amount {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.value-amount .currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.value-amount .number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.value-description {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.value-stats {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-100);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}

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

@media (min-width: 768px) {
    .hero-wave svg {
        height: 100px;
    }
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.0625rem;
}

.benefits-grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

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

.benefit-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--secondary);
    color: var(--primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

/* ===== WHO CAN SECTION ===== */
.who-can {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.who-can-content {
    display: grid;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .who-can-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
}

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

@media (min-width: 1024px) {
    .who-can-text {
        text-align: left;
        position: sticky;
        top: 100px;
    }
}

.who-can-text h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.who-can-text p {
    color: var(--gray-600);
    font-size: 1.0625rem;
}

.eligibility-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.eligibility-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.eligibility-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--secondary);
    color: var(--primary);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

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

.eligibility-text strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.eligibility-text span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

@media (min-width: 768px) {
    .steps-container {
        flex-direction: row;
        align-items: flex-start;
        gap: 0;
    }
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.step-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    max-width: 160px;
}

.step-connector {
    width: 2px;
    height: 40px;
    background: var(--gray-200);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .step-connector {
        width: 100%;
        height: 2px;
        margin-top: 28px;
        flex: 1;
        max-width: 80px;
    }
}

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

/* ===== FAQ SECTION ===== */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
}

.faq-question span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.faq-icon {
    color: var(--gray-400);
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

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

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

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-xl);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.footer-links a,
.footer-contact a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.disclaimer {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.copyright {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: #25d366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    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);
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .value-card {
        padding: var(--spacing-lg);
    }
    
    .value-amount .number {
        font-size: 2.75rem;
    }
    
    .value-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

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

/* Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}