/* --- 0. Global Resets and Variables --- */
:root {
    --color-primary: #1C4D9D; /* Bright Blue */
    --color-secondary: #FFC107; /* Energetic Yellow */
    --color-dark: #212529; 
    --color-light: #F8F9FA; 
    --color-white: #FFFFFF;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: var(--font-heading);
}

/* Reusable Components */
.section-padding { padding: 100px 5%; }
.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-dark);
    text-transform: uppercase;
}
.section-title.white { color: var(--color-white); }
.bg-light { background-color: var(--color-light); }
.bg-blue { background-color: var(--color-primary); }
.blue { color: var(--color-primary); }
.yellow { color: var(--color-secondary); }

/* --- Header & Navigation --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}
.logo-text { font-size: 1.6rem; font-weight: 700; text-transform: uppercase; }
.nav a {
    text-decoration: none;
    color: var(--color-dark);
    margin-left: 30px;
    font-weight: 600;
    transition: color var(--transition-speed);
}
.nav a:hover { color: var(--color-primary); }
.cta-btn {
    background-color: var(--color-secondary);
    color: var(--color-dark) !important;
    padding: 8px 20px;
    border-radius: 50px;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}
.cta-btn:hover { background-color: var(--color-primary); color: var(--color-white) !important; transform: translateY(-2px); }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-dark); }

/* --- Hero Section --- */
.hero-section { position: relative; height: 100vh; overflow: hidden; }
.carousel-container { width: 100%; height: 100%; position: relative; }
.carousel-slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center; opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex; align-items: center; justify-content: center;
}
.carousel-slide.active { opacity: 1; }
.carousel-slide::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7); 
}

.hero-content {
    position: relative; z-index: 10; color: var(--color-white); text-align: center; max-width: 900px; padding: 20px;
}
.hero-content h1 {
    font-size: 4rem; margin-bottom: 25px; font-weight: 800; text-transform: capitalize;
    line-height: 1.1;
}
.hero-content h1 strong { color: var(--color-secondary); }
.hero-content p { font-size: 1.4rem; margin-bottom: 40px; font-weight: 300; }

/* Hero CTA Buttons */
.cta-primary-btn, .cta-secondary-btn {
    display: inline-block; padding: 14px 40px; border: 2px solid; text-decoration: none;
    border-radius: 50px; font-weight: 700; margin: 0 15px;
    transition: all var(--transition-speed) ease-in-out;
    letter-spacing: 0.5px;
}
.cta-primary-btn {
    background-color: var(--color-secondary); color: var(--color-dark); border-color: var(--color-secondary);
}
.cta-primary-btn:hover {
    background-color: var(--color-primary); border-color: var(--color-primary); color: var(--color-white);
    box-shadow: 0 8px 15px rgba(0, 123, 255, 0.4);
}
.cta-secondary-btn {
    background-color: transparent; color: var(--color-white); border-color: var(--color-white);
}
.cta-secondary-btn:hover {
    background-color: var(--color-white); color: var(--color-dark); border-color: var(--color-white);
}

/* Text Animation Keyframes */
@keyframes slide-up { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.animate-text { opacity: 0; animation: slide-up 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

/* Slide Dots */
.slide-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 20; }
.dot { height: 10px; width: 10px; margin: 0 5px; background-color: rgba(255, 255, 255, 0.5); border-radius: 50%; display: inline-block; transition: background-color 0.3s; cursor: pointer; }
.dot.active { background-color: var(--color-secondary); }

/* --- About Me Section --- */
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; align-items: start; }
.about-text .intro { font-size: 1.15rem; margin-bottom: 25px; font-weight: 400; }
.about-text h3 { margin-top: 30px; margin-bottom: 15px; color: var(--color-primary); font-size: 1.8rem; }
.about-text ul { list-style: none; }
.about-text ul li { margin-bottom: 12px; font-size: 1rem; }
.about-text ul li i { margin-right: 12px; transition: transform 0.5s; }
.about-text ul li:hover i { transform: rotate(10deg) scale(1.1); color: var(--color-secondary); }

/* Card Containers */
.about-cards-container { display: flex; flex-direction: column; gap: 30px; }
.about-cta-card {
    background-color: var(--color-light); padding: 30px; border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05); text-align: center;
    border-top: 5px solid var(--color-primary);
}
.about-cta-card h3 { color: var(--color-dark); margin-top: 0; }
.full-width-btn { width: 100%; margin-top: 15px; margin-left: 0; margin-right: 0; }

/* Attractive Account Details Card */
.account-details-card {
    background: linear-gradient(145deg, var(--color-dark), #333);
    color: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 5px solid var(--color-secondary);
}
.account-details-card h3 { text-align: center; margin-bottom: 20px; font-size: 1.6rem; color: var(--color-secondary); }
.account-details-card p { text-align: center; margin-bottom: 20px; }

.bank-details-box {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
}
.account-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.account-table th, .account-table td { padding: 8px 0; text-align: left; }
.account-table th { color: var(--color-primary); font-weight: 600; width: 40%; }
.account-no {
    font-weight: 700; color: var(--color-white); background-color: rgba(255, 255, 255, 0.2); 
    padding: 2px 5px; border-radius: 3px; letter-spacing: 1px;
}

.upi-box { text-align: center; }
.upi-id { 
    font-weight: 600; color: var(--color-secondary); font-size: 1.1rem; 
    margin-bottom: 15px; padding: 5px; border-radius: 5px;
    border: 1px dashed var(--color-secondary);
}
.upi-code-placeholder {
    height: 120px; width: 120px; line-height: 120px;
    background-color: var(--color-white); color: var(--color-dark);
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 5px; font-size: 0.8rem; text-align: center;
    margin-top: 5px; font-style: italic;
}
.upi-code-placeholder i { font-size: 2rem; margin-right: 5px; }


/* --- Courses & Services Section --- */
.courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.course-card {
    background-color: var(--color-white); padding: 30px; border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    border-bottom: 4px solid transparent;
}
.course-card:hover {
    transform: translateY(-12px) scale(1.03); 
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-bottom-color: var(--color-primary);
}
.icon-large { font-size: 3.5rem; margin-bottom: 15px; }
.course-card h3 { font-size: 1.6rem; margin-bottom: 10px; font-weight: 700; }
.course-card p { min-height: 70px; }
.read-more-btn {
    display: inline-block; margin-top: 15px; color: var(--color-primary); text-decoration: none;
    font-weight: 600; transition: color var(--transition-speed), transform var(--transition-speed);
}
.read-more-btn:hover { color: var(--color-secondary); transform: translateX(5px); }
.academic-card:hover { border-bottom-color: var(--color-secondary); } 

/* --- Gallery Section --- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.gallery-item {
    overflow: hidden; border-radius: 8px; cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    opacity: 0; animation: fade-in 0.6s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
}
.gallery-item img { width: 100%; height: 280px; object-fit: cover; display: block; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.15) rotate(1deg); }
@keyframes fade-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}
/* Lightbox Popup */
.lightbox { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0, 0, 0, 0.95); }
.lightbox-content { margin: auto; display: block; width: 80%; max-width: 900px; max-height: 90vh; object-fit: contain; animation: zoom 0.6s; }
.close-btn { position: absolute; top: 20px; right: 40px; color: #f1f1f1; font-size: 50px; font-weight: bold; transition: 0.3s; cursor: pointer; }
@keyframes zoom { from {transform:scale(0)} to {transform:scale(1)} }

/* --- Testimonials Carousel --- */
.testimonials-section { background-color: var(--color-primary); }
.testimonials-carousel { max-width: 900px; margin: 0 auto; position: relative; height: 280px; overflow: hidden; }
.testimonial-card {
    background-color: var(--color-white); color: var(--color-dark); padding: 40px;
    border-radius: 10px; box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: absolute; width: 100%; text-align: center; opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
.testimonial-card.active { opacity: 1; position: relative; }

/* --- Contact Form + Google Map --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: stretch; }
.contact-form-container h3 { margin-bottom: 25px; font-size: 2rem; color: var(--color-primary); font-weight: 700; }
#contact-form input, #contact-form textarea {
    width: 100%; padding: 14px; margin-bottom: 18px; border: 1px solid #ddd;
    border-radius: 8px; font-family: var(--font-body); transition: border-color var(--transition-speed);
}
#contact-form input:focus, #contact-form textarea:focus { border-color: var(--color-secondary); outline: none; box-shadow: 0 0 5px rgba(255, 193, 7, 0.5); }
.map-container { box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); border-radius: 10px; overflow: hidden; }
.map-address { padding: 15px; background-color: var(--color-dark); color: var(--color-white); font-size: 0.9rem; text-align: center; }

/* --- Footer --- */
.footer { background-color: var(--color-dark); color: var(--color-light); padding: 30px 5%; text-align: center; font-size: 0.9rem; }
.social-links a { color: var(--color-white); font-size: 1.5rem; margin: 0 15px; transition: color var(--transition-speed), transform var(--transition-speed); }
.social-links a:hover { color: var(--color-secondary); transform: scale(1.1); }

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 992px) {
    .section-padding { padding: 80px 5%; }
    .hero-content h1 { font-size: 3rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    
    .about-text { order: 1; }
    .about-cards-container { order: 2; }
    .account-details-card { order: 1; } 
    .about-cta-card { order: 2; } 
}

@media (max-width: 768px) {
    /* Mobile Nav Toggle */
    .nav { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; width: 100%; background-color: var(--color-white); box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1); padding: 15px 0; }
    .nav.active { display: flex; }
    .nav a { margin: 10px 20px; text-align: center; padding: 10px 0; border-bottom: 1px solid var(--color-light); }
    .menu-toggle { display: block; }
    
    .hero-section { height: 70vh; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-actions { display: flex; flex-direction: column; }
    .cta-primary-btn, .cta-secondary-btn { width: 90%; margin: 8px auto; }
}