/* Variables & Reset */
:root {
    /* Palette */
    --color-blue: #1A3A5F;       /* Deep Navy Blue - Trust, Authority */
    --color-blue-dark: #0F233A;
    --color-yellow: #FFC857;     /* Warm Yellow - Creativity, Energy */
    --color-yellow-hover: #E5B245;
    --color-cream: #F9F7F2;      /* Off-white/Cream - Paper, Canvas */
    --color-cream-dark: #EFEBE0;
    --color-text: #2C3E50;
    --color-text-light: #5D6D7E;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --border-radius: 12px;
    --container-width: 1200px;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-blue);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.text-center { text-align: center; }
.text-white { color: var(--color-white); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-blue-dark);
    box-shadow: 0 4px 15px rgba(255, 200, 87, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-yellow-hover);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--color-blue);
    color: var(--color-blue);
    margin-left: 10px;
}

.btn-outline:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.btn-outline-dark {
    border: 2px solid var(--color-blue);
    color: var(--color-blue);
    width: 100%;
    text-align: center;
}

.btn-outline-dark:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
}

/* Navbar */
.navbar {
    background-color: rgba(249, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-blue);
}

.logo .highlight {
    color: var(--color-yellow-hover); /* Darker yellow for text readability */
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-blue);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--color-yellow-hover);
}

.btn-nav {
    background-color: var(--color-blue);
    color: var(--color-white) !important;
    padding: 8px 20px;
    border-radius: 20px;
}

.btn-nav:hover {
    background-color: var(--color-blue-dark);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--color-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.badge {
    background-color: rgba(26, 58, 95, 0.1);
    color: var(--color-blue);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    display: inline-block;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(120deg, var(--color-blue) 0%, #2980b9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-details {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-blue);
    font-weight: 600;
}

.hero-visual {
    position: relative;
}

.abstract-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background-color: rgba(255, 200, 87, 0.2);
    top: -50px;
    right: -50px;
}

.shape-2 {
    width: 250px;
    height: 250px;
    background-color: rgba(26, 58, 95, 0.1);
    bottom: -30px;
    left: -30px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    transform: rotate(-2deg);
    transition: transform 0.5s ease;
}

.glass-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-blue);
    font-weight: 600;
    margin-bottom: 15px;
}

.glass-card h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.avatars {
    display: flex;
    margin-top: 20px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: var(--color-white);
    margin-left: -10px;
}

.avatar:first-child { margin-left: 0; }

/* Value Prop */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 16px;
    transition: transform 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 200, 87, 0.3);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(26, 58, 95, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Syllabus */
.bg-cream {
    background-color: var(--color-cream-dark); /* Slightly darker for contrast */
}

.section-header .subtitle {
    color: var(--color-yellow-hover);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.syllabus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.module-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.module-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.module-number {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(26, 58, 95, 0.05);
    position: absolute;
    top: -10px;
    right: 10px;
    font-family: var(--font-heading);
}

.module-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.module-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* Modality */
.modality-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.schedule-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.schedule-list i {
    width: 50px;
    height: 50px;
    background-color: var(--color-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue-dark);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.schedule-list strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-blue);
    margin-bottom: 5px;
}

.laptop-mockup {
    background: #333;
    padding: 10px 10px 20px 10px;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.2);
    transform: perspective(1000px) rotateY(-10deg);
}

.screen {
    background: var(--color-blue);
    height: 250px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.zoom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    width: 100%;
    height: 100%;
    gap: 2px;
    padding: 2px;
}

.zoom-grid span {
    background-color: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.play-button {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
}

/* Pricing */
.bg-blue {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.bg-blue h2, .bg-blue p { color: var(--color-white); }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 50px auto 0;
}

.pricing-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 20px;
    color: var(--color-text);
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 4px solid var(--color-yellow);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.card-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-blue-dark);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.card-tag.best-value {
    background: var(--color-yellow);
    color: var(--color-blue-dark);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-blue);
    margin: 20px 0 5px;
    font-family: var(--font-heading);
}

.price .currency { font-size: 1.5rem; vertical-align: top; }
.price .mxn { font-size: 1rem; color: var(--color-text-light); }
.usd { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 20px; }

.save-text {
    color: #27ae60;
    font-weight: 700;
    margin-bottom: 20px;
    display: block;
}

.pricing-features {
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i { color: var(--color-yellow-hover); }

/* Footer */
footer {
    background-color: var(--color-blue-dark);
    color: var(--color-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 40px;
}

.footer-brand h3 { color: var(--color-white); margin-bottom: 10px; }
.footer-brand p { color: rgba(255,255,255,0.6); }

.contact-link {
    display: inline-block;
    color: var(--color-yellow);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
    
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.5rem; }
    .hero-details { justify-content: center; }
    .cta-group { justify-content: center; }
    
    .hero-visual { display: none; } /* Simplify for mobile */
    
    .grid-3 { grid-template-columns: 1fr; }
    
    .modality-wrapper { grid-template-columns: 1fr; }
    .laptop-mockup { display: none; }
    
    .pricing-card.featured { transform: scale(1); }
}