/* Base Styles */
:root {
    --primary-color: #003b87;
    --primary-dark: #153e75;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-light: #f3f4f6;
    --white: #ffffff;
    --star-color: #fbbf24;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Top Bar */
.top-bar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 0;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
    margin-right: 1.5rem;
    font-size: 0.9rem;
}

.social-links a {
    color: var(--white);
    margin-left: 1rem;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo img {
    height: 40px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  min-height: 500px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;  /* center vertically */
  align-items: center;      /* center horizontally */
  text-align: center;
  padding: 0 2rem;
}

.hero-text {
  color: white;
  max-width: 700px;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  margin-top: 65vh;
}

.hero-text p {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: rgba(255, 255, 255, 0.9);
}


/* ICHAD Intro Section */
.ichad-intro {
    padding: 5rem 0;
    background-color: var(--white);
}

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

.ichad-intro h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.ichad-intro p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.ichad-intro .cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.ichad-intro .cta-button:hover {
    background-color: var(--primary-dark);
}

/* Mission Section */
.mission {
    padding: 5rem 0;
    background-color: var(--white);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.mission-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.mission-text p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.mission-image img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Executives and Faculty Sections */
.executives, .faculty {
    padding: 5rem 0;
    background-color: var(--background-light);
}

.executives h2, .faculty h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.executives-image, .faculty-image {
    max-width: 800px;
    margin: 0 auto;
}

.executives-image img, .faculty-image img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Programs Section */
.programs {
    padding: 5rem 0;
    background-color: var(--white);
}

.programs h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.program-card {
    background-color: var(--white);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-5px);
}

.program-image {
    height: 200px;
    overflow: hidden;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.program-card:hover .program-image img {
    transform: scale(1.05);
}

.program-content {
    padding: 2rem;
}

.program-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.program-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.program-content ul {
    list-style: none;
}

.program-content li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.program-content li::before {
    content: "•";
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background-color: var(--background-light);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 1rem;
    border: 3px solid var(--primary-color);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: var(--star-color);
    margin-top: 0.5rem;
}

.testimonial-content {
    font-style: italic;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-logo img {
    height: 40px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-section i {
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .mission-content,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        font-size: 1.2rem;
    }

    .nav-links {
        display: none;
    }

    .top-bar-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .contact-info a {
        margin-right: 1rem;
    }

    .social-links a {
        margin: 0 0.5rem;
    }
}