/* ==========================================
   BRIGHT MINDS ACADEMY - Coaching Website
   Professional, Trustworthy, Educational
   ========================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #10b981;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
    
    --section-padding: 100px;
    --container-width: 1200px;
    --transition: 0.3s ease;
    --shadow: 0 10px 40px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--dark);
    line-height: 1.7;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

::selection { background: var(--primary); color: white; }

/* ==========================================
   PRELOADER
   ========================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden { opacity: 0; visibility: hidden; }

.loader-book {
    font-size: 4rem;
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.preloader p {
    color: var(--gray);
    margin-top: 15px;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3 { font-weight: 700; line-height: 1.3; }

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 15px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-label.light { color: var(--primary-light); }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ==========================================
   LAYOUT
   ========================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

section { padding: var(--section-padding) 0; }

.section-header {
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.05rem;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition);
}

.btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

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

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

.btn-accent {
    background: var(--accent);
    color: var(--dark);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover { background: #128c7e; }

.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.8rem; }
.full-width { width: 100%; }

/* ==========================================
   TOP BAR
   ========================================== */
.top-bar {
    background: var(--dark);
    padding: 10px 0;
    font-size: 0.85rem;
}

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

.top-info {
    display: flex;
    gap: 25px;
    color: var(--gray-light);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-link {
    color: var(--gray-light);
    text-decoration: none;
    transition: color var(--transition);
}

.top-link:hover { color: white; }

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    background: var(--bg);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--dark);
}

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

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-main { font-size: 1.3rem; font-weight: 700; }
.logo-sub { font-size: 0.75rem; color: var(--gray); font-weight: 500; }

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: color var(--transition);
}

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

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

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

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

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: all var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--bg);
    z-index: 999;
    padding: 100px 40px;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition);
}

.mobile-menu.active { right: 0; }

.mobile-menu ul { list-style: none; }
.mobile-menu li { margin: 25px 0; }
.mobile-menu a {
    color: var(--dark);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -50px;
    left: -50px;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--accent);
    top: 50%;
    left: 30%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 25px;
}

.badge-icon { font-size: 1.2rem; }

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

/* Hero Image */
.hero-image {
    position: relative;
}

.hero-img-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.hero-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
}

.card-1 { bottom: 30px; left: -30px; animation-delay: 0s; }
.card-2 { top: 30px; right: -30px; animation-delay: 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-icon { font-size: 2rem; }

.hero-card strong {
    display: block;
    font-size: 1.3rem;
    color: var(--primary);
}

.hero-card span {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ==========================================
   FEATURES STRIP
   ========================================== */
.features-strip {
    background: var(--dark);
    padding: 40px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.features-strip .feature-item {
    text-align: center;
    color: white;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.features-strip h3 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.features-strip p {
    font-size: 0.8rem;
    color: var(--gray-light);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about { background: var(--bg); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images { position: relative; }

.img-main {
    width: 80%;
    height: 450px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.img-accent {
    position: absolute;
    bottom: -30px;
    right: 0;
    width: 250px;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    border: 5px solid white;
    box-shadow: var(--shadow);
}

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

.experience-badge {
    position: absolute;
    top: 30px;
    right: 50px;
    background: var(--gradient-primary);
    color: white;
    padding: 20px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.exp-text {
    font-size: 0.75rem;
    opacity: 0.9;
}

.about-content .lead {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 15px;
}

.about-content p {
    color: var(--gray);
    margin-bottom: 15px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.highlight-icon {
    width: 25px;
    height: 25px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* ==========================================
   COURSES SECTION
   ========================================== */
.courses { background: var(--bg-alt); }

.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.course-card {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.course-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.course-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.course-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.course-card > p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 20px;
}

.course-features {
    list-style: none;
    margin-bottom: 25px;
}

.course-features li {
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-alt);
    border-radius: 10px;
}

.meta-label {
    display: block;
    font-size: 0.7rem;
    color: var(--gray);
    text-transform: uppercase;
}

.meta-value {
    font-weight: 600;
    color: var(--dark);
}

.course-price {
    text-align: center;
    margin-bottom: 20px;
}

.price-label {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
}

.price-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.price-value span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray);
}

/* ==========================================
   RESULTS SECTION
   ========================================== */
.results { background: var(--bg); }

.results-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 80px;
}

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

.stat-circle {
    width: 150px;
    height: 150px;
    position: relative;
    margin: 0 auto 20px;
}

.stat-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circle-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 3;
}

.circle-fill {
    fill: none;
    stroke: var(--primary);
    stroke-width: 3;
    stroke-linecap: round;
}

.stat-percent {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.result-stat h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.result-stat p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Toppers */
.toppers-section {
    background: var(--bg-alt);
    padding: 50px;
    border-radius: 25px;
}

.toppers-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 40px;
}

.toppers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.topper-card {
    text-align: center;
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.topper-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    margin-bottom: 15px;
}

.topper-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.topper-rank {
    display: block;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 5px;
}

.topper-college {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ==========================================
   FACULTY SECTION
   ========================================== */
.faculty { background: var(--bg-alt); }

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.faculty-card:hover {
    transform: translateY(-10px);
}

.faculty-image {
    height: 250px;
    overflow: hidden;
}

.faculty-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

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

.faculty-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.faculty-subject {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.faculty-info p {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials { background: var(--bg); }

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-alt);
    padding: 35px;
    border-radius: 20px;
}

.testimonial-rating {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-size: 1rem;
    font-style: italic;
    color: var(--dark);
    margin-bottom: 25px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--primary);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    background: var(--gradient-primary);
    padding: 80px 0;
}

.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-content {
    color: white;
}

.section-title.light { color: white; }

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}

.cta-feature span {
    width: 25px;
    height: 25px;
    background: white;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* CTA Form */
.cta-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
}

.cta-form h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 30px;
}

.cta-form .form-group {
    position: relative;
    margin-bottom: 25px;
}

.cta-form input,
.cta-form select {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all var(--transition);
    background: white;
}

.cta-form input:focus,
.cta-form select:focus {
    outline: none;
    border-color: var(--primary);
}

.cta-form label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    pointer-events: none;
    transition: all var(--transition);
    background: white;
    padding: 0 5px;
}

.cta-form input:focus ~ label,
.cta-form input:not(:placeholder-shown) ~ label,
.cta-form select:focus ~ label,
.cta-form select:valid ~ label,
.cta-form label.select-label {
    top: 0;
    font-size: 0.75rem;
    color: var(--primary);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 15px;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact { background: var(--bg-alt); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

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

.contact-card h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

.whatsapp-btn { margin-top: 10px; }

.contact-map {
    height: 450px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
    color: white;
}

.footer-brand p {
    color: var(--gray-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.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;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition);
}

.social-links a:hover {
    background: var(--primary);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 25px;
}

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

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

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-links a:hover { color: white; }

.footer-contact p {
    font-size: 0.9rem;
    color: var(--gray-light);
    margin-bottom: 10px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--gray-light);
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 99;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-5px); }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 50px; }
    .hero-image { order: -1; max-width: 500px; margin: 0 auto; }
    .hero-card { display: none; }
    
    .features-grid { grid-template-columns: repeat(3, 1fr); }
    
    .about-grid, .cta-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
    .about-images { max-width: 500px; margin: 0 auto; }
    
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
    
    .results-stats { gap: 40px; }
    .toppers-grid, .faculty-grid { grid-template-columns: repeat(2, 1fr); }
    
    .testimonials-slider { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    
    .nav-links, .nav-cta { display: none; }
    .menu-toggle { display: flex; }
    
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    
    .hero-stats { gap: 20px; justify-content: center; }
    
    .courses-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    
    .results-stats { flex-direction: column; gap: 50px; }
    
    .toppers-grid, .faculty-grid { grid-template-columns: 1fr; max-width: 300px; margin: 0 auto; }
    
    .about-highlights { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .social-links { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    
    .hero-cta { flex-direction: column; }
    .btn-lg { width: 100%; }
}

/* Built by Vibhu Badge */
.built-by {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.built-by a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.built-by a:hover {
    color: rgba(255,255,255,0.9);
}

.built-by strong {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.built-by a:hover strong {
    background: linear-gradient(135deg, #a78bfa, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}