/* ============================================
   VARIABLES Y RESET
   ============================================ */
:root {
    /* Colores Corporativos */
    --primary-color: #FFB84D;
    --primary-dark: #FF9500;
    --secondary-color: #1a1a1a;
    --text-dark: #2c3e50;
    --text-light: #666;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    
    /* Colores de Secciones */
    --star-color: #FFB84D;
    --video-color: #4A90E2;
    --test-color: #5CB85C;
    --resume-color: #E67E22;
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2c2c2c 100%);
    color: var(--white);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.logo-section {
    flex: 1;
    min-width: 250px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.2rem;
}

.logo-text .highlight {
    color: var(--primary-color);
}

.logo-subtitle {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 300;
}

.main-nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    width: 100%;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}



.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 750px;
    margin: 0 auto;
    opacity: 0.95;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    font-size: 4rem;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-icon:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(to bottom, var(--light-bg) 0%, var(--white) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   SECTION CARDS - GENERAL
   ============================================ */
.section-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--section-color, var(--primary-color)) 0%, transparent 100%);
}

.section-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--section-color, var(--primary-color));
}

.section-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--section-color, var(--primary-color)) 0%, var(--section-color, var(--primary-dark)) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.section-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    color: var(--section-color, var(--primary-color));
    margin-bottom: var(--spacing-md);
}

.section-content {
    margin-top: var(--spacing-md);
}

.section-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.highlight-text {
    color: var(--section-color, var(--primary-color));
    font-weight: 600;
}

/* ============================================
   STAR SECTION - LA JOYA DE LA CORONA
   ============================================ */
.star-section {
    --section-color: var(--star-color);
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, #FFF9F0 0%, var(--white) 100%);
    border: 4px solid var(--star-color);
    box-shadow: 0 15px 40px rgba(255, 184, 77, 0.3);
    padding: var(--spacing-xxl) var(--spacing-xl);
}

.star-section::before {
    height: 10px;
    background: linear-gradient(90deg, 
        var(--star-color) 0%, 
        var(--primary-dark) 50%, 
        var(--star-color) 100%);
}

.star-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--star-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin: -2rem auto var(--spacing-lg);
    max-width: fit-content;
    box-shadow: var(--shadow-lg);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { box-shadow: 0 5px 20px rgba(255, 184, 77, 0.4); }
    50% { box-shadow: 0 5px 30px rgba(255, 184, 77, 0.6); }
}

.star-section .section-icon {
    width: 100px;
    height: 100px;
    font-size: 3rem;
}

.star-section .section-icon i {
    font-size: 3.5rem;
}

.star-section .section-title {
    font-size: 2.5rem;
    color: var(--star-color);
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    text-align: left;
    justify-items: center;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-dark);
    max-width: 350px;
    width: 100%;
}

.feature-list i {
    color: var(--star-color);
    font-size: 1.3rem;
}

.sparkle {
    position: absolute;
    font-size: 2rem;
    animation: sparkle 2s ease-in-out infinite;
    opacity: 0.6;
}

.sparkle-1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.sparkle-2 {
    top: 20%;
    right: 8%;
    animation-delay: 0.7s;
}

.sparkle-3 {
    bottom: 15%;
    left: 10%;
    animation-delay: 1.4s;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.3) rotate(180deg);
        opacity: 0.8;
    }
}

/* ============================================
   PREMIUM SECTION - SEGUNDA MÁS DESTACADA
   ============================================ */
.premium-section {
    --section-color: var(--resume-color);
    background: linear-gradient(135deg, #FFF5EE 0%, var(--white) 100%);
    border: 3px solid var(--resume-color);
    box-shadow: 0 10px 30px rgba(230, 126, 34, 0.2);
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, var(--resume-color) 0%, #D35400 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.premium-info {
    background: rgba(230, 126, 34, 0.1);
    border-color: var(--resume-color);
}

.premium-info i {
    color: var(--resume-color);
}

/* ============================================
   SECTIONS GRID (Resúmenes, Videoclases, Test)
   ============================================ */
.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

/* Alinear altura de botones en todas las secciones */
.sections-grid .section-card {
    display: flex;
    flex-direction: column;
}

.sections-grid .section-card .section-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.sections-grid .section-card .section-description {
    flex-grow: 0;
}

.sections-grid .section-card .info-box {
    flex-grow: 0;
}

.sections-grid .section-card .cta-button {
    margin-top: auto;
}

/* ============================================
   INFO BOX
   ============================================ */
.info-box {
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid var(--section-color, var(--video-color));
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.info-box i {
    color: var(--section-color, var(--video-color));
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.info-box p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   BUTTONS
   ============================================ */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--section-color, var(--primary-color)) 0%, var(--section-color, var(--primary-dark)) 100%);
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    text-align: center;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.star-button {
    background: linear-gradient(135deg, var(--star-color) 0%, var(--primary-dark) 100%);
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xxl);
    animation: pulse-button 2s ease-in-out infinite;
}

@keyframes pulse-button {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.premium-button {
    background: linear-gradient(135deg, var(--resume-color) 0%, #D35400 100%);
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2c2c2c 100%);
    color: var(--white);
    padding: var(--spacing-xxl);
    border-radius: 20px;
    margin-top: var(--spacing-xxl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.final-cta-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.final-cta-description {
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
}

.final-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    max-width: 400px;
    margin: var(--spacing-lg) auto 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a1a1a 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: 0;
}

.footer-section {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-subtitle {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

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

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.stat-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-links i {
    font-size: 1rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    text-align: center;
}

.footer-contact p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.footer-contact i {
    color: var(--primary-color);
}



/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .star-section .section-title {
        font-size: 2rem;
    }
    
    .sections-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .header-container {
        flex-direction: column;
        text-align: center;
    }
    
    .main-nav {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .final-cta-title {
        font-size: 2rem;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-icon {
        width: 60px;
        height: 60px;
    }
    
    .section-icon i {
        font-size: 2rem;
    }
    
    .star-section .section-icon {
        width: 80px;
        height: 80px;
    }
    
    .cta-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
}