/* ========================================
   MatriculaJá Landing Page - CSS
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #4F46E5;
    --color-primary-dark: #4338CA;
    --color-primary-light: #EEF2FF;
    --color-secondary: #10B981;
    --color-secondary-light: #ECFDF5;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-danger: #EF4444;
    --color-danger-light: #FEE2E2;
    
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-outline {
    background: transparent;
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    color: var(--color-primary);
}

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

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

.btn-ghost-white {
    background: transparent;
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.btn-ghost-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Section Badge */
.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    margin-top: 1rem;
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

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

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-menu a {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: var(--transition);
}

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, #fff 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-note {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.hero-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Problem Section
   ======================================== */
.problem {
    padding: 6rem 0;
    background: var(--color-gray-900);
    color: #fff;
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
}

.problem .section-badge {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
}

.problem h2 {
    color: #fff;
    margin-bottom: 3rem;
}

.problem-list {
    display: grid;
    gap: 1.5rem;
}

.problem-list li {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.problem-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.problem-list strong {
    display: block;
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 0.25rem;
}

.problem-list p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

/* ========================================
   Solution / Features Section
   ======================================== */
.solution {
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
    padding: 6rem 0;
    background: var(--color-gray-50);
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.comparison-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-700);
}

.comparison-table th.highlight,
.comparison-table td.highlight {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* ========================================
   How it Works Section
   ======================================== */
.how-it-works {
    padding: 6rem 0;
}

.steps {
    display: flex;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    right: -1.5rem;
    width: 3rem;
    height: 2px;
    background: var(--color-gray-200);
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.step-content h3 {
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: 6rem 0;
    background: var(--color-gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    margin-bottom: 0.25rem;
}

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

.pricing-price {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-700);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1;
}

.pricing-price .period {
    color: var(--color-gray-500);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.pricing-card.featured .btn {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: 6rem 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    padding: 1.5rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

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

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #7C3AED 100%);
    color: #fff;
}

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

.cta h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 4rem 0 2rem;
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo span {
    color: #fff;
}

.footer-brand p {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: #fff;
}

.footer-links h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: spa