:root {
    --color-green: #0F5132;
    --color-black: #111111;
    --color-black-light: #1A1A1A;
    --color-white: #FFFFFF;
    --color-gold: #D4AF37;
    --color-gold-hover: #b8952b;
    --color-green-light: #157347;
    
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-black);
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}

.bg-dark { background-color: var(--color-black-light); }
.bg-black { background-color: var(--color-black); }

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

.highlight-gold { color: var(--color-gold); }
.highlight-green { color: var(--color-green-light); }

.mt-8 { margin-top: 2rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-hover) 100%);
    color: var(--color-black);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(212, 175, 55, 0.4);
}

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

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

.btn-giant {
    font-size: 1.2rem;
    padding: 20px 40px;
    width: 100%;
    max-width: 500px;
}

.pulse-effect {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(212, 175, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

/* Typography */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

/* Glassmorphism */
.glassmorphism {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* For parallax */
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(17,17,17,0.95) 0%, rgba(17,17,17,0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-text-box {
    max-width: 650px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #cccccc;
    margin-bottom: 2rem;
}

.hero-benefits {
    list-style: none;
    margin-bottom: 2.5rem;
}

.hero-benefits li {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--color-green);
    margin-right: 10px;
}

.check-icon.gold {
    color: var(--color-gold);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.card {
    background: rgba(15, 81, 50, 0.1);
    border: 1px solid rgba(15, 81, 50, 0.3);
    border-radius: 12px;
    padding: 30px;
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(15, 81, 50, 0.2);
    border-color: var(--color-green);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-family: var(--font-heading);
    color: var(--color-gold);
    margin-bottom: 1rem;
}

/* How It Works (Timeline) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--color-green);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--color-black);
    border: 4px solid var(--color-gold);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.highlight-dot {
    background-color: var(--color-gold);
    box-shadow: 0 0 15px var(--color-gold);
}

.timeline-content {
    padding: 20px 30px;
    background: var(--color-black-light);
    position: relative;
    border-radius: 8px;
    border-left: 3px solid var(--color-green);
}

.timeline-item:nth-child(even) .timeline-content {
    border-left: none;
    border-right: 3px solid var(--color-green);
}

.highlight-content {
    background: linear-gradient(135deg, rgba(212,175,55,0.1) 0%, rgba(15,81,50,0.1) 100%);
    border-color: var(--color-gold);
}

.highlight-content h3 {
    color: var(--color-gold);
}

/* About Teacher */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: 16px;
}

.about-img {
    width: 100%;
    border-radius: 16px;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.img-glow {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(15,81,50,0.4) 0%, rgba(0,0,0,0) 70%);
    z-index: 1;
}

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.exp-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-gold);
    margin-top: 2rem !important;
}

.exp-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 2rem;
}

.exp-list li::before {
    content: '•';
    color: var(--color-green-light);
    font-weight: bold;
    margin-right: 8px;
}

.about-conclusion {
    font-style: italic;
    color: #ddd;
    border-left: 3px solid var(--color-gold);
    padding-left: 15px;
}

.stats-container {
    display: flex;
    gap: 20px;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.stat-box {
    flex: 1;
    min-width: 150px;
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border-bottom: 2px solid var(--color-green);
}

.stat-number, .stat-icon {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

/* What to Learn */
.instruments-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.instrument-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
}

.instrument-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-gold);
    letter-spacing: 2px;
}

.instrument-icon {
    font-size: 3rem;
}

.learning-list {
    list-style: none;
}

.learning-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

/* Differential */
.differential {
    background: linear-gradient(rgba(17,17,17,0.9), rgba(17,17,17,0.9)), url('image1.jpg') fixed center;
    background-size: cover;
}

.differential-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.differential-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 3rem;
}

.diff-item {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.5);
    padding: 15px 20px;
    border-radius: 8px;
    font-size: 1.1rem;
    border: 1px solid rgba(15,81,50,0.3);
}

.highlight-banner {
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-hover) 100%);
    color: var(--color-black);
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.5rem;
    font-family: var(--font-heading);
}

/* Target Audience */
.audience-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.audience-card {
    background: var(--color-black);
    border: 1px solid var(--color-green);
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
}

.audience-card:hover {
    background: var(--color-green);
    color: var(--color-white);
    transform: translateY(-5px);
}

/* Final CTA */
.final-cta {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-black-light) 100%);
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: #ccc;
    margin-bottom: 3rem;
}

.whatsapp-highlight {
    color: #25d366;
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.address {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #aaa;
}

.location-icon {
    color: var(--color-gold);
}

/* Footer */
.footer {
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    color: var(--color-gold);
    font-size: 1.5rem;
}

.footer-teacher {
    color: #aaa;
    margin-bottom: 10px;
}

.slogan {
    font-style: italic;
    color: var(--color-green-light);
}

.footer-social {
    display: flex;
    gap: 20px;
}

.social-icon {
    color: var(--color-white);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--color-gold);
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    color: #666;
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .instruments-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0%;
    }
    
    .timeline-dot {
        left: 22px !important;
    }
    
    .timeline-content {
        border-left: 3px solid var(--color-green) !important;
        border-right: none !important;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 25px;
    }
}