/* ===================================
   SRL Chile - Seminario Reformado Latinoamericano
   Estilos principales
   =================================== */

/* CSS Variables */
:root {
    /* Colores principales */
    --color-primary: #9A1220;
    --color-primary-dark: #7a0e19;
    --color-secondary: #0B4873;
    --color-dark: #121212;
    --color-light: #f7f5f2;
    --color-white: #ffffff;
    --color-gold: #C9A227;

    /* Grises */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;

    /* Tipografia */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md);
}

.logo-img {
    height: 50px;
    width: auto;
    transition: height var(--transition-normal);
}

.header.scrolled .logo-img {
    height: 40px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('assets/images/img_06.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(30, 58, 95, 0.85) 0%, rgba(13, 33, 55, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    max-width: 950px;
    box-sizing: border-box;
    width: 100%;
}

.hero-title-main {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.05;
    letter-spacing: -0.01em;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 500;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-divider {
    width: 80px;
    height: 2px;
    background-color: var(--color-gold);
    margin: var(--spacing-md) auto;
    opacity: 0.6;
}

.hero-motto {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-style: italic;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Intro Section
   =================================== */
.intro {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-text {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature {
    padding: var(--spacing-lg);
}

.feature-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.feature-label {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Programs Section
   =================================== */
.programs {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.program-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.program-card.featured {
    border: 2px solid var(--color-primary);
}

.program-badge {
    position: absolute;
    top: 0;
    right: var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0 0 4px 4px;
}

.program-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.program-icon svg {
    width: 100%;
    height: 100%;
}

.program-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.program-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.program-details {
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing-md);
}

.program-details li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.program-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background-color: var(--color-gold);
    border-radius: 50%;
}

/* ===================================
   Schools Section
   =================================== */
.schools {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-dark);
    color: var(--color-white);
}

.schools .section-title {
    color: var(--color-white);
}

.schools .section-subtitle {
    color: var(--color-gray-400);
}

.schools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.school-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    padding: var(--spacing-xl);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-normal);
}

.school-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.school-name {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.school-tradition {
    font-size: 1rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.school-confession {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-gray-200) 100%);
    border-radius: 8px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.about-logo {
    max-width: 200px;
    opacity: 0.8;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.about-image-placeholder:has(.about-photo) {
    padding: 0;
    background: none;
}

.about-content h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.about-content p {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about-support {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    font-style: italic;
}

.about-support a {
    color: var(--color-primary);
    font-weight: 500;
}

.about-support a:hover {
    text-decoration: underline;
}

.about-list {
    margin-left: var(--spacing-md);
}

.about-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* ===================================
   Section Label
   =================================== */
.section-label {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Profile Section
   =================================== */
.profile {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.profile-item {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    transition: all var(--transition-normal);
}

.profile-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.profile-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.profile-icon svg {
    width: 100%;
    height: 100%;
}

.profile-item p {
    color: var(--color-gray-700);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.profile-item strong {
    color: var(--color-dark);
}

/* ===================================
   Program Section
   =================================== */
.program {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.program-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.highlight-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, #0a3d63 100%);
    border-radius: 8px;
    color: var(--color-white);
}

.highlight-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.highlight-label {
    font-size: 0.9375rem;
    opacity: 0.9;
}

.program-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.program-description h3,
.program-subjects h3 {
    font-size: 1.375rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.program-description p {
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.subjects-list {
    columns: 1;
}

.subjects-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.subjects-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background-color: var(--color-gold);
    border-radius: 50%;
}

/* ===================================
   Modality Section
   =================================== */
.modality {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.modality-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.modality-highlight {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 8px 8px 0;
}

.modality-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.modality-feature h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.modality-feature p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.modality-image-placeholder {
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
    border-radius: 8px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modality-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modality-image-placeholder:has(.modality-photo) {
    background: none;
}

.placeholder-content {
    text-align: center;
    color: var(--color-gray-500);
}

.placeholder-content svg {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    opacity: 0.5;
}

.placeholder-content p {
    font-size: 0.875rem;
}

/* ===================================
   Costs Section
   =================================== */
.costs {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.costs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cost-card {
    background-color: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: 8px;
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.cost-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.cost-card.featured {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.cost-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-gold);
    color: var(--color-dark);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
}

.cost-type {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.cost-amount {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.cost-card:not(.featured) .cost-amount {
    color: var(--color-primary);
}

.cost-period {
    font-size: 0.875rem;
    opacity: 0.7;
}

.costs-note {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.costs-note p {
    margin-bottom: var(--spacing-sm);
}

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

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

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

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

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.contact-details a,
.contact-details p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.contact-details a:hover {
    color: var(--color-primary);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    height: 100%;
    min-height: 350px;
}

.map-container iframe {
    border-radius: 8px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-400);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.footer-motto {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-gray-400);
    transition: all var(--transition-normal);
}

.footer-social a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-links h4,
.footer-accreditation h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-accreditation p {
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-support-text {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.footer-support-text a {
    color: var(--color-gold);
    transition: color var(--transition-fast);
}

.footer-support-text a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
}

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

/* ===================================
   Header Button
   =================================== */
.btn-header {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet landscape and smaller desktops */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image-placeholder {
        max-width: 350px;
        margin: 0 auto var(--spacing-lg);
    }

    .program-info {
        grid-template-columns: 1fr;
    }

    .modality-grid {
        grid-template-columns: 1fr;
    }

    .modality-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
}

/* Tablets and large phones */
@media (max-width: 768px) {
    /* Spacing adjustments */
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-lg); /* 2rem = 32px */
        max-width: 100%;
    }

    .btn-header {
        display: none;
    }

    /* Mobile Navigation */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile browsers */
        background-color: var(--color-dark);
        padding: var(--spacing-3xl) var(--spacing-lg);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
    }

    .nav.active {
        right: 0;
    }

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

    .nav-link {
        font-size: 1.125rem;
        padding: var(--spacing-sm) 0; /* Better touch targets */
        display: block;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
        padding: 10px; /* Larger touch target */
        margin: -10px;
    }

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

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

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

    /* Hero adjustments */
    .hero {
        background-attachment: scroll; /* Fix for iOS */
        min-height: 100vh;
        min-height: 100dvh;
    }

    .hero-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .hero-title-main {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: var(--spacing-xs);
    }

    .hero-subtitle {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }

    .hero-motto {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        width: 100%;
        padding: 0;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Section headers */
    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0;
    }

    /* Profile section */
    .profile-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .profile-item {
        padding: var(--spacing-md);
    }

    .profile-icon {
        width: 36px;
        height: 36px;
    }

    /* Intro features (if any) */
    .intro-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Program section */
    .program-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .highlight-card {
        padding: var(--spacing-lg);
    }

    .highlight-number {
        font-size: 2.75rem;
    }

    /* Modality section */
    .modality-image {
        margin-bottom: var(--spacing-lg);
    }

    .modality-highlight {
        font-size: 1rem;
    }

    .modality-feature h4 {
        font-size: 0.9375rem;
    }

    .modality-feature p {
        font-size: 0.875rem;
    }

    /* Costs section */
    .costs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .cost-card {
        padding: var(--spacing-lg);
    }

    .cost-card.featured {
        margin-top: var(--spacing-sm); /* Space for badge */
    }

    .cost-amount {
        font-size: 2rem;
    }

    /* Contact section */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact-item {
        margin-bottom: var(--spacing-md);
    }

    .contact-icon {
        width: 44px;
        height: 44px;
    }

    .map-container {
        min-height: 280px;
        margin-top: var(--spacing-md);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

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

    .footer-logo {
        margin: 0 auto var(--spacing-sm);
        height: 50px;
    }

    .footer-links {
        margin-bottom: var(--spacing-sm);
    }

    .footer-links h4 {
        margin-bottom: var(--spacing-sm);
    }

    .footer-links li {
        margin-bottom: var(--spacing-xs);
    }

    .footer-links a {
        padding: var(--spacing-xs) 0;
        display: inline-block;
    }

    .footer-social {
        justify-content: center;
    }
}

/* Small phones */
@media (max-width: 480px) {
    /* Spacing adjustments for small screens */
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2.5rem;
        --spacing-xl: 2rem;
    }

    /* Ensure no horizontal overflow */
    body {
        overflow-x: hidden;
    }

    .container {
        padding: 0 1.75rem; /* 28px - comfortable margins */
        max-width: 100%;
    }

    /* Section text adjustments */
    .section-subtitle,
    .hero-description,
    .about-content p,
    .program-description p,
    .modality-highlight,
    .costs-note {
        padding-left: 0;
        padding-right: 0;
    }

    /* Header */
    .header-content {
        padding: var(--spacing-sm) 1.75rem;
    }

    .logo-img {
        height: 40px;
    }

    .header.scrolled .logo-img {
        height: 35px;
    }

    /* Hero */
    .hero-content {
        padding: var(--spacing-lg) 1.75rem;
    }

    .hero-title-main {
        font-size: clamp(1.75rem, 9vw, 2.5rem);
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: clamp(1.1rem, 5vw, 1.5rem);
    }

    .hero-divider {
        width: 60px;
        margin: var(--spacing-sm) auto;
    }

    .hero-motto {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-description {
        font-size: 0.9375rem;
        line-height: 1.6;
        margin-bottom: var(--spacing-lg);
    }

    .hero-buttons {
        padding: 0;
    }

    .hero-buttons .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    /* About section */
    .about {
        padding: var(--spacing-2xl) 0;
    }

    .about-image-placeholder {
        max-width: 250px;
        aspect-ratio: 1;
    }

    .about-logo {
        max-width: 150px;
    }

    .about-content p {
        font-size: 0.9375rem;
    }

    /* Profile section */
    .profile {
        padding: var(--spacing-2xl) 0;
    }

    .profile-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .profile-icon {
        margin-bottom: var(--spacing-xs);
    }

    /* Program section */
    .program {
        padding: var(--spacing-2xl) 0;
    }

    .highlight-card {
        padding: var(--spacing-md);
    }

    .highlight-number {
        font-size: 2.25rem;
    }

    .highlight-label {
        font-size: 0.875rem;
    }

    .program-description h3,
    .program-subjects h3 {
        font-size: 1.125rem;
    }

    .program-description p {
        font-size: 0.9375rem;
    }

    .subjects-list li {
        font-size: 0.875rem;
    }

    /* Modality section */
    .modality {
        padding: var(--spacing-2xl) 0;
    }

    .modality-image-placeholder {
        aspect-ratio: 16/10;
    }

    .modality-highlight {
        padding: var(--spacing-sm);
        font-size: 0.9375rem;
    }

    .modality-features {
        gap: var(--spacing-md);
    }

    /* Costs section */
    .costs {
        padding: var(--spacing-2xl) 0;
    }

    .cost-card {
        padding: var(--spacing-md);
    }

    .cost-type {
        font-size: 0.875rem;
    }

    .cost-amount {
        font-size: 1.75rem;
    }

    .cost-period {
        font-size: 0.8125rem;
    }

    .costs-note {
        font-size: 0.875rem;
    }

    /* Contact section */
    .contact {
        padding: var(--spacing-2xl) 0;
    }

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

    .contact-icon svg {
        width: 20px;
        height: 20px;
    }

    .contact-details h4 {
        font-size: 0.9375rem;
    }

    .contact-details a,
    .contact-details p {
        font-size: 0.875rem;
        word-break: break-word;
    }

    .map-container {
        min-height: 250px;
    }

    /* Footer */
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    .footer-logo {
        height: 45px;
    }

    .footer-motto {
        font-size: 1rem;
    }

    .footer-tagline {
        font-size: 0.8125rem;
    }

    .footer-links h4 {
        font-size: 0.8125rem;
    }

    .footer-links a {
        font-size: 0.875rem;
    }

    .footer-bottom p {
        font-size: 0.8125rem;
    }

    .footer-support-text {
        font-size: 0.75rem;
    }

    /* Buttons */
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .btn-large {
        padding: 0.875rem 1.75rem;
    }
}

/* Extra small phones */
@media (max-width: 360px) {
    .hero-title-main {
        font-size: 1.625rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.375rem;
    }

    .highlight-number {
        font-size: 2rem;
    }

    .cost-amount {
        font-size: 1.5rem;
    }

    .contact-details a {
        font-size: 0.8125rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects that don't work well on touch */
    .program-card:hover,
    .profile-item:hover,
    .cost-card:hover,
    .school-card:hover {
        transform: none;
    }

    /* Ensure good touch targets (minimum 44px) */
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .btn {
        min-height: 44px;
    }

    .contact-details a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .footer-links a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}

/* Landscape mode on phones */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    .hero-title-main {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-description {
        display: none;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .hero-buttons .btn {
        width: auto;
    }
}

/* Reduce motion for users who prefer it */
@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;
    }

    .scroll-animate {
        opacity: 1;
        transform: none;
    }
}

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

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

/* Scroll animations (activadas con JS) */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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