/**
 * Interworld Music - Main Stylesheet
 * Classic 3D Icons Design (HelioHost Style)
 */

/* ============================================
   CSS Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Source Sans Pro', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    background-color: #f5f5f5;
}

a {
    color: #f97316;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ea580c;
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(180deg, #ff9500 0%, #f97316 50%, #ea580c 100%);
    color: #fff;
    box-shadow: 0 4px 6px rgba(249, 115, 22, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3),
                inset 0 -2px 0 rgba(0, 0, 0, 0.1);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #ffaa33 0%, #f97316 50%, #ea580c 100%);
    box-shadow: 0 6px 12px rgba(249, 115, 22, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.3),
                inset 0 -2px 0 rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    color: #fff;
}

.btn-light {
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f8 50%, #f0f0f0 100%);
    color: #f97316;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.8),
                inset 0 -2px 0 rgba(0, 0, 0, 0.05);
}

.btn-light:hover {
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 50%, #f8f8f8 100%);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.8),
                inset 0 -2px 0 rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
    color: #ea580c;
}

.btn-small {
    padding: 8px 18px;
    font-size: 12px;
}

/* ============================================
   Header
   ============================================ */
#header {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: #333;
}

.logo-text .orange {
    color: #f97316;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 10px 16px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: #f97316;
    background: rgba(249, 115, 22, 0.1);
}

.nav-menu > li > a i {
    margin-left: 4px;
    font-size: 12px;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    color: #555;
    font-size: 14px;
    transition: all 0.3s ease;
}

.dropdown-menu li:first-child a {
    border-radius: 8px 8px 0 0;
}

.dropdown-menu li:last-child a {
    border-radius: 0 0 8px 8px;
}

.dropdown-menu li a:hover {
    background: #f97316;
    color: #fff;
}

.dropdown-menu li a i {
    width: 20px;
    text-align: center;
    color: #f97316;
}

.dropdown-menu li a:hover i {
    color: #fff;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    padding: 8px;
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: 20px;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-nav a {
    display: block;
    padding: 12px 16px;
    color: #555;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    background: rgba(249, 115, 22, 0.1);
    color: #f97316;
}

/* ============================================
   Banner
   ============================================ */
#banner {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #c2410c 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

#banner img {
    width: 120px;
    height: 120px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3),
                0 0 0 3px rgba(255, 255, 255, 0.2);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

#banner h1 {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

#banner p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin: 0 auto 30px;
    position: relative;
    z-index: 1;
}

.banner-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ============================================
   Main Content
   ============================================ */
#main {
    padding: 40px 20px;
}

/* Boxes */
.box {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border: 1px solid #e5e5e5;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.box h2, .box h3 {
    color: #333;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f5f5f5;
}

.box h2 {
    font-size: 28px;
}

.box h3 {
    font-size: 22px;
}

.box.special {
    text-align: left;
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    text-align: left;
}

.about-content p {
    color: #555;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.about-content ul {
    margin: 25px 0;
    padding-left: 20px;
}

.about-content ul li {
    color: #555;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    padding-left: 10px;
    position: relative;
}

.about-content ul li::before {
    content: '•';
    color: #f97316;
    font-size: 20px;
    position: absolute;
    left: -15px;
}

/* ============================================
   Stats Section
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-box i {
    font-size: 36px;
    color: #f97316;
    margin-bottom: 12px;
    display: block;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5),
                 2px 2px 3px rgba(0, 0, 0, 0.1);
}

.stat-box .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

.stat-box .stat-label {
    font-size: 14px;
    color: #777;
    margin-top: 5px;
}

/* ============================================
   Features Slider
   ============================================ */
.slider-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 25px;
}

.slider-btn {
    padding: 10px 20px;
    background: linear-gradient(180deg, #f5f5f5 0%, #ebebeb 100%);
    border: 1px solid #ddd;
    border-radius: 8px;
    color: #555;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.slider-btn:hover {
    background: linear-gradient(180deg, #fff 0%, #f5f5f5 100%);
    border-color: #f97316;
    color: #f97316;
}

.slider-btn.active {
    background: linear-gradient(180deg, #ff9500 0%, #f97316 50%, #ea580c 100%);
    border-color: #ea580c;
    color: #fff;
    box-shadow: 0 4px 8px rgba(249, 115, 22, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.slider-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.slider-nav {
    width: 45px;
    height: 45px;
    background: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
    border: 1px solid #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.slider-nav:hover {
    background: linear-gradient(180deg, #f97316 0%, #ea580c 100%);
    border-color: #ea580c;
    color: #fff;
}

.slider-nav i {
    font-size: 18px;
}

.slider-display {
    flex: 1;
    background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
    border-radius: 15px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 30px;
}

.slider-image {
    width: 180px;
    height: 180px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.slider-icon-box {
    width: 180px;
    height: 180px;
    border-radius: 20px;
    background: linear-gradient(135deg, #fff5eb 0%, #ffedd5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.15),
                inset 0 2px 0 rgba(255, 255, 255, 0.5);
    flex-shrink: 0;
}

.slider-icon-box i {
    font-size: 80px;
    color: #f97316;
    text-shadow: 2px 2px 0 rgba(255, 255, 255, 0.5),
                 3px 3px 5px rgba(249, 115, 22, 0.3);
}

.slider-info {
    flex: 1;
}

.slider-info h4 {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-info h4 i {
    color: #f97316;
    font-size: 24px;
}

.slider-info p {
    color: #555;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ============================================
   Platforms Section
   ============================================ */
.platforms-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.platform-tag {
    padding: 10px 20px;
    background: linear-gradient(180deg, #f5f5f5 0%, #ebebeb 100%);
    border: 1px solid #ddd;
    border-radius: 25px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.platform-tag:hover {
    background: linear-gradient(180deg, #fff 0%, #f5f5f5 100%);
    border-color: #f97316;
    color: #f97316;
}

.platform-tag.highlight {
    background: linear-gradient(180deg, #fff5eb 0%, #ffedd5 100%);
    border-color: #f97316;
    color: #ea580c;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

blockquote {
    background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
    border-left: 4px solid #f97316;
    border-radius: 0 12px 12px 0;
    padding: 20px 25px;
    margin: 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

blockquote p {
    color: #555;
    font-size: 15px;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 12px;
}

blockquote cite {
    color: #333;
    font-style: normal;
    font-weight: 600;
    font-size: 14px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h3 {
    font-size: 22px;
    margin-bottom: 20px;
    border-bottom: none;
    padding-bottom: 0;
}

.contact-info > p {
    color: #555;
    margin-bottom: 25px;
    font-size: 15px;
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #fff5eb 0%, #ffedd5 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f97316;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(249, 115, 22, 0.15);
}

.contact-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.contact-item p {
    color: #666;
    font-size: 14px;
}

/* Social Links */
.social-links {
    margin-top: 30px;
}

.social-links h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.social-links-list {
    display: flex;
    gap: 10px;
}

.social-links-list a {
    width: 40px;
    height: 40px;
    background: linear-gradient(180deg, #f5f5f5 0%, #ebebeb 100%);
    border: 1px solid #ddd;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.social-links-list a:hover {
    background: linear-gradient(180deg, #f97316 0%, #ea580c 100%);
    border-color: #ea580c;
    color: #fff;
    box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
}

/* Contact Form */
.contact-form {
    background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
    border-radius: 15px;
    padding: 30px;
}

.contact-form h3 {
    font-size: 18px;
    margin-bottom: 10px;
    border-bottom: none;
    padding-bottom: 0;
}

.contact-form > p {
    color: #666;
    font-size: 14px;
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #444;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 3px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f97316;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15),
                inset 0 2px 3px rgba(0, 0, 0, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 15px;
}

.form-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

.form-success i {
    font-size: 48px;
    color: #16a34a;
    margin-bottom: 15px;
}

.form-success h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-success p {
    color: #666;
    font-size: 14px;
}

/* ============================================
   CTA Section
   ============================================ */
#cta {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #c2410c 100%);
    padding: 60px 20px;
    text-align: center;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 25px;
}

/* ============================================
   Footer
   ============================================ */
#footer {
    background: linear-gradient(180deg, #2d2d2d 0%, #1a1a1a 100%);
    padding: 50px 20px 30px;
    text-align: center;
}

.footer-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.footer-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-icons a:hover {
    background: #f97316;
    color: #fff;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 15px;
    margin-bottom: 20px;
}

.footer-links li {
    color: #555;
}

.footer-links a {
    color: #888;
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #f97316;
}

.copyright {
    color: #666;
    font-size: 13px;
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(180deg, #ff9500 0%, #f97316 50%, #ea580c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    color: #fff;
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #c2410c 100%);
    padding: 50px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .slider-display {
        flex-direction: column;
        text-align: center;
    }
    
    .slider-info h4 {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    #banner h1 {
        font-size: 28px;
    }
    
    #banner p {
        font-size: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-box {
        padding: 20px 15px;
    }
    
    .stat-box .stat-value {
        font-size: 22px;
    }
    
    .slider-nav {
        display: none;
    }
    
    .slider-display {
        padding: 20px;
    }
    
    .slider-image,
    .slider-icon-box {
        width: 140px;
        height: 140px;
    }
    
    .slider-icon-box i {
        font-size: 60px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        height: 60px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .logo-img {
        width: 38px;
        height: 38px;
    }
}

@media (max-width: 480px) {
    #banner {
        padding: 50px 15px;
    }
    
    #banner img {
        width: 90px;
        height: 90px;
    }
    
    .box {
        padding: 20px;
    }
    
    .slider-buttons {
        gap: 5px;
    }
    
    .slider-btn {
        padding: 8px 12px;
        font-size: 11px;
    }
}