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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #000;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.navbar-menu li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 5px 10px;
}

.navbar-menu li a:hover {
    color: #999;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #000;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #fff;
    color: #000;
}

.back-to-top span {
    font-weight: bold;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    color: #ffffff;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    display: none;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 40px 20px;
}

.hero-slides {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-slide {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    transition: opacity 1.2s ease-in-out, visibility 1.2s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-text-slides {
    position: relative;
    min-height: 200px;
    margin: 40px 0;
}

.text-slide {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.text-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.logo-subtitle {
    font-size: 1rem;
    letter-spacing: 3px;
    opacity: 0.9;
    margin-bottom: 30px;
    font-weight: 300;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.3;
    color: #ffffff;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 300;
    text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.8);
}

.slide-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
    position: relative;
    z-index: 10;
}

.slide-prev,
.slide-next {
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    width: 30px;
    height: 30px;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-prev:hover,
.slide-next:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #000;
}

.slide-indicators {
    display: none;
}

.indicator {
    display: none;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-primary {
    background: #fff;
    color: #000;
    border: 2px solid #fff;
}

.btn-primary:hover {
    background: #000;
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #000;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #ffffff;
    opacity: 0.7;
    cursor: pointer;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: rotate(45deg);
    margin: 10px auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 40px;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.intro-text p {
    font-size: 1.15rem;
    line-height: 1.9;
    color: #333;
}

.intro-text strong {
    color: #000;
    font-weight: 700;
}

/* Program Structure */
.program-structure {
    margin: 60px 0;
    padding: 50px 40px;
    background: #f8f9fa;
    border-radius: 12px;
}

.program-structure h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 40px;
}

.structure-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.structure-item {
    background: #fff;
    padding: 25px 20px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #ddd;
    min-width: 150px;
}

.structure-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 10px;
    line-height: 1.4;
}

.structure-item p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

.arrow {
    font-size: 1.5rem;
    color: #000;
    font-weight: bold;
}

/* Comparison Section */
.comparison-section {
    margin: 60px 0;
}

.comparison-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 40px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.comparison-column {
    padding: 40px;
    border-radius: 12px;
}

.comparison-column.domestic {
    background: #f8f9fa;
    border: 2px solid #ddd;
}

.comparison-column.global {
    background: #000;
    color: #fff;
    border: 2px solid #000;
}

.comparison-column h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.comparison-column.domestic h4 {
    text-align: right;
}

.comparison-column.global h4 {
    color: #fff;
    text-align: left;
}

.comparison-content p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.comparison-column.domestic .comparison-content p {
    text-align: right;
}

.comparison-column.global .comparison-content p {
    text-align: left;
}

.highlight-negative {
    color: #dc3545;
    font-weight: 600;
}

.highlight-positive {
    color: #fff;
    font-weight: 600;
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: #000;
}

.comparison-summary {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
    background: transparent;
    font-size: 1.1rem;
    line-height: 1.9;
    color: #333;
    text-align: center;
}

.comparison-summary strong {
    color: #000;
}

/* Goal Section */
.goal-section {
    margin: 60px 0;
    padding: 50px 40px;
    background: #000;
    color: #fff;
    border-radius: 12px;
}

.goal-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.goal-main {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: #fff;
}

.goal-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.goal-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
    border-bottom: 2px solid #fff;
    padding-bottom: 10px;
}

.goal-item p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.goal-highlight {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.competency-list {
    list-style: none;
    padding: 0;
}

.competency-list li {
    margin-bottom: 15px;
    line-height: 1.7;
}

.competency-list strong {
    display: block;
    color: #fff;
    font-weight: 700;
    margin-bottom: 5px;
}

/* PEAP Program */
.peap-program {
    margin: 60px 0;
}

.peap-program h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
}

.program-intro {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.9;
    color: #333;
}

.program-intro strong {
    color: #000;
}

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

.curriculum-item {
    background: #f8f9fa;
    padding: 35px 30px;
    border-radius: 12px;
    border: 2px solid #e9ecef;
}

.curriculum-item h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 10px;
}

.curriculum-subtitle {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.curriculum-item ul {
    list-style: none;
    padding: 0;
}

.curriculum-item li {
    padding: 8px 0;
    color: #333;
    position: relative;
    padding-left: 20px;
}

.curriculum-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

/* Universities Section */
.universities {
    padding: 100px 0;
    background: #f5f5f5;
}

.universities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.university-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.university-card:hover {
    border-color: #000;
}

.university-card h4 {
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid #000;
}

.university-card ul {
    list-style: none;
}

.university-card li {
    padding: 10px 0;
    color: #555;
    position: relative;
    padding-left: 25px;
}

.university-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

.university-card a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.university-card a:hover {
    color: #000;
    text-decoration: underline;
}

/* Programs Section */
.programs {
    padding: 100px 0;
    background: #fff;
}

.programs-list {
    max-width: 900px;
    margin: 60px auto 0;
}

.program-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    padding: 40px;
    margin-bottom: 30px;
    background: #f5f5f5;
    border-radius: 16px;
    border-left: 5px solid #000;
    transition: all 0.3s ease;
}

.program-item:hover {
    border-left-width: 8px;
}

.program-number {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
    opacity: 0.3;
    line-height: 1;
}

.program-content h3 {
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 10px;
    font-weight: 600;
}

.program-content p {
    color: #666;
    line-height: 1.8;
}

/* Brochure Section */
.brochure {
    padding: 100px 0;
    background: #fff;
}

.brochure-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.brochure-card {
    background: #ffffff;
    border: 2px solid #e9ecef;
    border-radius: 16px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.brochure-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.brochure-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 40px;
}

.brochure-details {
    text-align: left;
    margin: 40px 0;
    padding: 35px;
    background: #fafbfc;
    border-radius: 12px;
    border: none;
}

.brochure-details h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 25px;
    margin-top: 30px;
    text-align: center;
}

.brochure-list {
    list-style: none;
    padding: 0;
}

.brochure-list > li {
    margin-bottom: 20px;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.brochure-list > li:hover {
    border-color: #d0d0d0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.brochure-list > li:last-child {
    margin-bottom: 0;
}

.brochure-list strong {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.brochure-list span {
    display: block;
    font-size: 0.95rem;
    color: #666;
    margin-left: 10px;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.brochure-list span::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    background: #000;
    color: #fff;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-download:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.download-icon {
    font-size: 1.5rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: #000;
    color: #ffffff;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-light {
    background: #fff;
    color: #000;
    border: 2px solid #fff;
}

.btn-light:hover {
    background: #000;
    color: #fff;
    border-color: #fff;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background: #fff;
    color: #000;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #fff;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: #999;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        display: none;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-toggle {
        display: flex;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

    .hero-slides {
        width: 100%;
        height: 100%;
    }

    .hero-slide {
        width: 100%;
        height: 100%;
    }

    .hero-text-slides {
        min-height: 150px;
        margin: 30px 0;
    }

    .slide-prev,
    .slide-next {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    /* Features Section Responsive */
    .intro-text p {
        font-size: 1rem;
    }

    .program-structure {
        padding: 30px 20px;
    }

    .structure-grid {
        flex-direction: column;
        gap: 20px;
    }

    .structure-item {
        width: 100%;
    }

    .arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .vs-divider {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .comparison-column {
        padding: 30px 20px;
    }

    .comparison-summary {
        padding: 20px;
        font-size: 1rem;
    }

    .goal-section {
        padding: 30px 20px;
    }

    .goal-main {
        font-size: 1.5rem;
    }

    .goal-details {
        grid-template-columns: 1fr;
    }

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

    .curriculum-item {
        padding: 25px 20px;
    }

    .program-item {
        flex-direction: column;
        padding: 30px 20px;
    }

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    /* Brochure Section Responsive */
    .brochure-card {
        padding: 40px 25px;
    }

    .brochure-card h3 {
        font-size: 1.6rem;
    }

    .brochure-details {
        padding: 25px 20px;
    }

    .brochure-list span {
        font-size: 0.9rem;
    }

    .btn-download {
        width: 100%;
        justify-content: center;
        padding: 16px 40px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .logo-subtitle {
        font-size: 0.8rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-slides {
        width: 100%;
        height: 100%;
    }

    .hero-slide {
        width: 100%;
        height: 100%;
    }

    .hero-text-slides {
        min-height: 120px;
        margin: 20px 0;
    }

    .slide-controls {
        gap: 10px;
    }

    .slide-prev,
    .slide-next {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }

    .indicator {
        width: 8px;
        height: 8px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .university-card {
        padding: 25px 20px;
    }

    /* Features Section Small Mobile */
    .intro-text p {
        font-size: 0.95rem;
    }

    .program-structure h3,
    .comparison-section h3,
    .goal-section h3,
    .peap-program h3 {
        font-size: 1.5rem;
    }

    .structure-item h4 {
        font-size: 0.9rem;
    }

    .structure-item p {
        font-size: 0.85rem;
    }

    .comparison-column h4 {
        font-size: 1.2rem;
    }

    .comparison-content p {
        font-size: 0.95rem;
    }

    .goal-main {
        font-size: 1.3rem;
    }

    .goal-item h4 {
        font-size: 1.1rem;
    }

    .program-intro {
        font-size: 0.95rem;
    }

    .curriculum-item h4 {
        font-size: 1.2rem;
    }

    /* Brochure Section Small Mobile */
    .brochure-card {
        padding: 30px 20px;
    }

    .brochure-card h3 {
        font-size: 1.4rem;
    }

    .brochure-icon {
        font-size: 3rem;
    }

    .brochure-details h4 {
        font-size: 1.1rem;
    }

    .brochure-list > li {
        padding: 15px;
    }

    .brochure-list strong {
        font-size: 1rem;
    }

    .brochure-list span {
        font-size: 0.85rem;
    }

    .btn-download {
        font-size: 1.1rem;
        padding: 14px 35px;
    }
}