/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-red: #dc2626;
    --primary-red-dark: #b91c1c;
    --primary-red-light: #ef4444;
    --black: #000000;
    --dark-gray: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    text-decoration: none;
    color: var(--white);
}

.nav-logo h2 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
}

.back-btn {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
}

.back-btn:hover {
    color: var(--primary-red);
}

.nav-back {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
    padding: 8px 16px;
    border: 2px solid var(--white);
    border-radius: 6px;
    background: transparent;
}

.nav-link:hover {
    color: var(--primary-red);
    background: var(--white);
    border-color: var(--white);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(220, 38, 38, 0.4) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 800px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 400;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-padding);
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-red-dark));
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.service-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--black);
    margin: 0;
}

.service-content {
    color: var(--gray);
}

.service-subtitle {
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-content p {
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
}

/* ===== EXAM ELITE SECTION ===== */
.exam-elite {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--light-gray), var(--white));
}

.exam-elite-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.exam-elite-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--black);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.exam-elite-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: 2rem;
}

.exam-elite-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.exam-elite-features {
    list-style: none;
    margin: 2rem 0;
}

.exam-elite-features li {
    padding: 0.5rem 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 2rem;
    font-size: 1.1rem;
}

.exam-elite-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: bold;
    font-size: 1.2rem;
}

.exam-elite-packages {
    font-weight: 600;
    color: var(--black);
    font-size: 1.1rem;
    margin-top: 2rem;
}

.exam-elite-image {
    position: relative;
}

.exam-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    display: inline-block;
    padding: 18px 40px;
    background: var(--white);
    color: var(--primary-red);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

/* ===== ENHANCED BOOKING FORM ===== */
.booking-form-enhanced {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin: 0;
}

.form-fields {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-fields input,
.form-fields textarea {
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.form-fields input::placeholder,
.form-fields textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-fields input:focus,
.form-fields textarea:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.2);
}

.form-fields textarea {
    resize: vertical;
    min-height: 100px;
}

.form-fields select {
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
    cursor: pointer;
}

.form-fields select:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.2);
}

.form-fields select option {
    background: var(--dark-gray);
    color: var(--white);
}

/* ===== PHOTO CAROUSEL SECTION ===== */
.photo-carousel-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.carousel-header {
    text-align: center;
    margin-bottom: 50px;
}

.carousel-header h2 {
    color: var(--dark-gray);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.carousel-header p {
    color: var(--gray);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.photo-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 400px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.carousel-image:hover {
    transform: scale(1.05);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(220, 38, 38, 0.9);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: rgba(220, 38, 38, 1);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-red);
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .exam-elite-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .exam-elite-features li {
        text-align: left;
    }
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .exam-image {
        height: 300px;
    }
    
    .cta-btn {
        padding: 15px 30px;
        font-size: 1rem;
    }
}

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

.service-card {
    animation: fadeInUp 0.6s ease-out;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }