/* ========================== GENERAL STYLES ========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ========================== NAVIGATION BAR ========================== */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: "🎸";
    font-size: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: white;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

nav a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

nav .btn-book {
    background-color: #ff6b6b;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    transition: background-color 0.3s ease;
}

nav .btn-book:hover {
    background-color: #ff5252;
    text-decoration: none;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========================== HERO SECTION ========================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: slideInDown 0.8s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: slideInUp 0.8s ease;
}

.hero .btn-primary {
    background-color: #ff6b6b;
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.hero .btn-primary:hover {
    background-color: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

/* ========================== SECTIONS ========================== */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #333;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

section p {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ========================== SERVICES SECTION ========================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    text-align: center;
}

/* ========================== BANNER SECTION ========================== */
.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: "🎵";
    font-size: 8rem;
    position: absolute;
    right: -1rem;
    top: -1rem;
    opacity: 0.1;
}

.banner h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.banner p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* ========================== BOOKING PAGE ========================== */
.booking-container {
    max-width: 700px;
    margin: 2rem auto;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ff6b6b;
}

.error-message {
    color: #ff6b6b;
    font-size: 0.875rem;
    margin-top: 0.3rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* ========================== SLOTS SECTION ========================== */
.slots-section {
    margin-bottom: 2rem;
}

.slots-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.slot-count {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.slot-btn {
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 0.85rem;
}

.slot-btn:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.slot-btn.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
}

.slot-btn.booked {
    background: #f0f0f0;
    color: #999;
    cursor: not-allowed;
    border-color: #ddd;
}

.slot-btn.booked:hover {
    border-color: #ddd;
    background: #f0f0f0;
}

/* ========================== BUTTONS ========================== */
.btn-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ========================== SUCCESS MESSAGE ========================== */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #28a745;
    margin-bottom: 1rem;
    display: none;
    animation: slideInDown 0.5s ease;
}

.success-message.show {
    display: block;
}

/* ========================== ANIMATIONS ========================== */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ========================== RESPONSIVE DESIGN ========================== */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(102, 126, 234, 0.95);
        padding: 1rem;
        gap: 0.5rem;
    }

    nav ul.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

    .booking-container {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.75rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    section {
        padding: 2rem 1rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .slots-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .slot-btn {
        padding: 0.6rem;
        font-size: 0.75rem;
    }
}

/* ========================== FOOTER ========================== */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    margin: 0;
    color: #ccc;
}