/* 
    Huma Institute - Premium Design System
    Colors: Blue (#003366), Gold (#D4AF37), White (#FFFFFF)
*/

:root {
    --primary: #003366;
    --primary-light: #004d99;
    --secondary: #D4AF37;
    --secondary-dark: #b8962e;
    --accent: #FFD700;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

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

.text-center {
    text-align: center;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: 10px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 51, 102, 0.4);
}

.btn-gold {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

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

.btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
}

/* --- Header --- */
#main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    transition: var(--transition);
}

#main-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo-text {
    font-size: 1.8rem;
    color: var(--primary);
    letter-spacing: -1px;
}

.logo-text span {
    color: var(--secondary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
    color: var(--primary);
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(0, 51, 102, 0.05), transparent);
    overflow: hidden;
}

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

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--secondary-dark);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 20px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--primary);
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 30px;
    overflow: visible;
}

.image-wrapper img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--glass-border);
    animation: float 4s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: -10%;
}

.card-2 {
    bottom: 15%;
    right: -5%;
    animation-delay: 2s;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--secondary);
}

.floating-card span {
    font-weight: 700;
    color: var(--primary);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* --- Section Header --- */
.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

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

/* --- Why Choose Us --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #f1f5f9;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(0, 51, 102, 0.05);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .icon-box {
    background: var(--primary);
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* --- Courses --- */
.courses {
    background: #f1f5f9;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.course-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.course-card:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}

.course-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.course-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.course-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 25px;
}

/* --- Results / Stats --- */
.results {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h2 {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

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

.faculty-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faculty-img {
    height: 350px;
    overflow: hidden;
}

.faculty-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.faculty-card:hover .faculty-img img {
    transform: scale(1.1);
}

.faculty-info {
    padding: 25px;
    text-align: center;
}

.faculty-info h3 {
    margin-bottom: 5px;
}

.subject {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 5px;
}

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

/* --- Testimonials --- */
.testimonials {
    background: rgba(212, 175, 55, 0.05);
    overflow: hidden;
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 40px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stars {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.testimonial-card p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.testimonial-card h4 {
    color: var(--primary);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 10px;
}

/* --- Facilities --- */
.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.facility-item {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.facility-item:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

.facility-item i {
    font-size: 1.5rem;
    color: var(--secondary);
}

.facility-item:hover i {
    color: var(--white);
}

.facility-item span {
    font-weight: 600;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.info-list {
    margin-top: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-item i {
    width: 45px;
    height: 45px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.info-item p {
    color: var(--text-light);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group textarea {
    height: 120px;
    resize: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 51, 102, 0.1);
}

.btn-block {
    width: 100%;
}

.map-wrapper {
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* --- Footer --- */
.main-footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about p {
    margin: 20px 0;
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.footer-grid h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links ul, .footer-courses ul {
    list-style: none;
}

.footer-links li, .footer-courses li {
    margin-bottom: 12px;
}

.footer-links a, .footer-courses a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover, .footer-courses a:hover {
    opacity: 1;
    padding-left: 5px;
    color: var(--secondary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- Sticky Bar --- */
.sticky-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    grid-template-columns: repeat(3, 1fr);
    padding: 10px 0;
}

.bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
}

.bar-item i {
    font-size: 1.2rem;
    margin-bottom: 3px;
}

.bar-item:nth-child(2) {
    color: #25D366;
}

/* --- Scroll Top --- */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1001;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

/* --- Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content p {
        margin: 0 auto 40px;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 1000;
        padding: 50px;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
        font-weight: 600;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .sticky-mobile-bar {
        display: grid;
    }
    
    .main-footer {
        padding-bottom: 80px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}