/* ============================================
   Diamond Coaching Centre - Premium Stylesheet
   Version: 1.0
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --green-dark: #2E7D32;
    --green-light: #66BB6A;
    --yellow: #FBC02D;
    --white: #FFFFFF;
    --dark: #222222;
    --light-bg: #F7F9F7;
    --gray: #666666;
    --gray-light: #E8E8E8;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --shadow-xl: 0 25px 80px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Container ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Section ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(46,125,50,0.1), rgba(102,187,106,0.1));
    color: var(--green-dark);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- Loading Screen ---------- */
.loader {
    position: fixed;
    inset: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.diamond-shape {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    transform: rotate(45deg);
    margin: 0 auto 24px;
    animation: pulse-diamond 1.2s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes pulse-diamond {
    0%, 100% { transform: rotate(45deg) scale(1); opacity: 1; }
    50% { transform: rotate(45deg) scale(1.15); opacity: 0.7; }
}

.loader-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--green-dark);
    letter-spacing: 1px;
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green-dark), var(--green-light), var(--yellow));
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    padding: 10px 0;
}

.navbar.scrolled .nav-logo .logo-name,
.navbar.scrolled .nav-logo .logo-sub {
    color: var(--dark);
}

.navbar.scrolled .nav-link {
    color: var(--dark);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--white);
    letter-spacing: 1px;
    transition: var(--transition);
}

.logo-sub {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--yellow);
    border-radius: 2px;
    transition: width var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--yellow);
    color: var(--dark);
    padding: 8px 20px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(251, 192, 45, 0.4);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 10;
    padding: 4px;
}

.bar {
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.scrolled .bar { background: var(--dark); }

.hamburger.active .bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 40%, #1B5E20 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
}

/* Animated blobs */
.hero-blobs .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float-blob 8s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--green-light);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--yellow);
    bottom: -50px;
    left: -50px;
    animation-delay: 2s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: rgba(255,255,255,0.2);
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float-blob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
    animation: fadeInDown 0.8s ease forwards;
}

.hero-title {
    font-family: var(--font-heading);
    margin-bottom: 20px;
}

.hero-title-line {
    display: block;
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title-line.accent {
    background: linear-gradient(135deg, var(--yellow), #FFD54F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.15s;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 12px;
    font-weight: 500;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin: 0 auto 36px;
    animation: fadeInUp 0.8s ease 0.45s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.2);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.btn:active::after {
    transform: translateX(0);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(251, 192, 45, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--green-dark);
    transform: translateY(-3px);
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    z-index: 3;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ---------- About Section ---------- */
.about { background: var(--light-bg); }

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green-dark), var(--green-light));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.about-card:hover::before {
    transform: scaleX(1);
}

.about-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(46,125,50,0.1), rgba(102,187,106,0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--green-dark);
    transition: var(--transition);
}

.about-card:hover .about-icon {
    background: var(--green-dark);
    color: var(--white);
    transform: scale(1.1);
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.about-card p {
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ---------- Courses Section ---------- */
.courses { background: var(--white); }

.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.course-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.course-card.featured {
    border: 2px solid var(--green-dark);
    background: linear-gradient(180deg, rgba(46,125,50,0.03) 0%, var(--white) 100%);
}

.course-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--yellow);
    color: var(--dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.course-icon-wrap {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    transition: var(--transition);
}

.course-card:hover .course-icon-wrap {
    transform: scale(1.1) rotate(5deg);
    border-radius: 50%;
}

.course-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.course-card > p {
    font-size: 0.85rem;
    color: var(--green-dark);
    font-weight: 500;
    margin-bottom: 16px;
}

.course-features {
    text-align: left;
    margin-bottom: 20px;
}

.course-features li {
    font-size: 0.88rem;
    color: var(--gray);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green-light);
    font-weight: 700;
}

.course-btn {
    display: inline-block;
    background: var(--green-dark);
    color: var(--white);
    padding: 10px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.course-btn:hover {
    background: var(--green-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46,125,50,0.3);
}

/* ---------- Why Us Section ---------- */
.why-us {
    background: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--white);
    padding: 32px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--white);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(46,125,50,0.3);
}

.feature-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.5;
}

/* ---------- Statistics Section ---------- */
.stats {
    background: linear-gradient(135deg, var(--green-dark) 0%, #1B5E20 100%);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    top: -100px;
    right: -50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    color: var(--white);
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.2);
}

.stat-item:last-child::after { display: none; }

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    display: inline;
    line-height: 1;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    display: inline;
    color: var(--yellow);
}

.stat-label {
    font-size: 0.95rem;
    margin-top: 8px;
    opacity: 0.85;
    font-weight: 500;
}

/* ---------- Teacher Section ---------- */
.teacher { background: var(--white); }

.teacher-card {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.04);
}

.teacher-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, rgba(46,125,50,0.08), rgba(102,187,106,0.08));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-dark);
    border: 3px solid rgba(46,125,50,0.1);
}

.teacher-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.teacher-quals {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.teacher-quals span {
    background: linear-gradient(135deg, rgba(46,125,50,0.1), rgba(102,187,106,0.1));
    color: var(--green-dark);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.teacher-info p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ---------- Testimonials ---------- */
.testimonials {
    background: var(--light-bg);
    overflow: hidden;
}

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

.testimonial-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    min-width: 100%;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid rgba(0,0,0,0.04);
}

.stars {
    color: var(--yellow);
    font-size: 1.3rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--dark);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.82rem;
    color: var(--gray);
}

.testimonial-dots {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 28px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-light);
    transition: var(--transition);
}

.dot.active {
    background: var(--green-dark);
    transform: scale(1.3);
}

/* ---------- Admission Section ---------- */
.admission { background: var(--light-bg); }

.admission-card {
    background: linear-gradient(135deg, var(--green-dark), #1B5E20);
    border-radius: var(--radius-xl);
    padding: 64px;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.admission-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.admission-badge {
    display: inline-block;
    background: rgba(251,192,45,0.2);
    color: var(--yellow);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(251,192,45,0.3);
}

.admission-card h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    margin-bottom: 16px;
}

.admission-card p {
    font-size: 1.05rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}

.admission-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.admission-decoration {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50%;
    overflow: hidden;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
}

.deco-1 {
    width: 300px;
    height: 300px;
    top: -80px;
    right: -60px;
}

.deco-2 {
    width: 200px;
    height: 200px;
    bottom: -40px;
    right: 100px;
}

.deco-3 {
    width: 120px;
    height: 120px;
    top: 50%;
    right: 30%;
    transform: translateY(-50%);
}

/* ---------- FAQ Section ---------- */
.faq { background: var(--white); }

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: var(--green-dark);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover { color: var(--green-dark); }

.faq-icon {
    flex-shrink: 0;
    color: var(--green-dark);
    transition: transform var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 18px;
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ---------- Contact Section ---------- */
.contact { background: var(--light-bg); }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.contact-card {
    background: var(--white);
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--white);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.contact-card a,
.contact-card p {
    display: block;
    color: var(--gray);
    font-size: 0.92rem;
    line-height: 1.8;
}

.contact-card a:hover { color: var(--green-dark); }

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.map-placeholder {
    height: 300px;
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--green-dark);
}

.map-placeholder p {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    background: var(--dark);
    color: rgba(255,255,255,0.8);
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    transform: translateY(-99%);
}

.footer-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

.footer-content {
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--green-light);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ---------- Floating Buttons ---------- */
.floating-buttons {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: var(--transition);
    animation: float-gentle 3s ease-in-out infinite;
}

.floating-btn:hover {
    transform: translateY(-4px) scale(1.1);
}

.whatsapp {
    background: #25D366;
    animation-delay: 0s;
}

.call {
    background: var(--green-dark);
    animation-delay: 1s;
}

@keyframes float-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 96px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--white);
    color: var(--green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--green-dark);
    color: var(--white);
    transform: translateY(-4px);
}

/* ---------- Sticky CTA ---------- */
.sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 997;
    padding: 12px 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--gray-light);
}

.sticky-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--green-dark);
    color: var(--white);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
}

.sticky-cta-btn:hover {
    background: var(--green-light);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive Design ---------- */

/* Large tablets & small desktops */
@media (max-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .stat-item::after { display: none; }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets */
@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .section-header { margin-bottom: 40px; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 0;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: right var(--transition);
    }

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

    .nav-links .nav-link {
        color: var(--dark);
        padding: 14px 0;
        border-bottom: 1px solid var(--gray-light);
        font-size: 1rem;
    }

    .nav-cta { display: none; }
    .hamburger { display: flex; }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 40px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .teacher-card {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
    }

    .admission-card {
        padding: 40px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand { order: -1; }

    .footer-logo { justify-content: center; }

    .footer-contact p { justify-content: center; }

    .sticky-cta { display: block; }

    .floating-buttons { bottom: 80px; }
    .back-to-top { bottom: 150px; }
}

/* Mobile phones */
@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .hero-title-line {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn { width: 100%; justify-content: center; max-width: 260px; }

    .about-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
    }

    .admission-card h2 { font-size: 1.6rem; }

    .admission-buttons {
        flex-direction: column;
        align-items: center;
    }

    .testimonial-card { padding: 28px 20px; }
}

/* Specific breakpoints */
@media (max-width: 414px) {
    .nav-links { width: 260px; }
}

@media (max-width: 390px) {
    .hero-title-line { font-size: 2rem; }
}

@media (max-width: 375px) {
    .container { padding: 0 14px; }
    .section { padding: 60px 0; }
}

@media (max-width: 320px) {
    .hero-title-line { font-size: 1.7rem; }
    .section-title { font-size: 1.5rem; }
    .about-card { padding: 28px 20px; }
}

/* Hover media query for touch devices */
@media (hover: none) {
    .about-card:hover,
    .course-card:hover,
    .feature-card:hover,
    .contact-card:hover {
        transform: none;
        box-shadow: none;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* Print styles */
@media print {
    .navbar, .floating-buttons, .back-to-top, .sticky-cta, .scroll-progress, .loader { display: none !important; }
    .hero { min-height: auto; padding: 40px 0; }
    body { font-size: 12pt; }
}