/* CSS Reset dan Optimasi Performance */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Root Variables untuk konsistensi */
:root {
    --primary-gradient: linear-gradient(135deg, #ff6b35, #f7931e);
    --secondary-gradient: linear-gradient(135deg, #667eea, #764ba2);
    --dark-gradient: linear-gradient(135deg, #0a0a0f, #1a1a2e);
    --purple-gradient: linear-gradient(135deg, #667eea, #764ba2);
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-accent: #ff6b35;
    --background-dark: #0a0a0f;
    --background-card: #1a1a2e;
    --border-radius: 12px;
    --shadow-primary: 0 10px 30px rgba(255, 107, 53, 0.3);
    --shadow-secondary: 0 5px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Font loading optimized via preconnect and Google Fonts API */

/* Base Styles */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-gradient);
    overflow-x: hidden;
    position: relative;
}

/* Background Pattern Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

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

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center top, rgba(255, 107, 53, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse at center bottom, rgba(118, 75, 162, 0.15) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    z-index: 1;
    animation: heroFadeIn 1s ease-out;
}

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

.brand-logo {
    margin-bottom: 2rem;
    animation: logoFloat 3s ease-in-out infinite;
}

.brand-logo img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}

.brand-logo img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: clamp(2rem, 4vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    text-align: justify;
}

.hero-subtitle a {
    color: var(--text-accent);
    font-weight: 600;
    text-decoration: none;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 200px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(118, 75, 162, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(118, 75, 162, 0.4);
}

.a {

    text-decoration: none;
    color: var(--text-accent);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: rgba(26, 26, 46, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
}

.features h2 {
    text-align: center;
    font-size: clamp(1rem, 3vw, 2rem);
    margin-bottom: 4rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--background-card);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-secondary);
    border-color: rgba(255, 107, 53, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Winners Section */
.winners {
    padding: 100px 0;
    text-align: center;
}

.winners h2 {
    font-size: clamp(1rem, 3vw, 2rem);
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.winners-subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 3rem;
}

.winners-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.winner-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--background-card);
    transition: var(--transition);
}

.winner-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-primary);
}

.winner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.winner-image img.lazy {
    opacity: 0;
}

.winner-image img:not(.lazy) {
    opacity: 1;
}

/* Customer Service Section */
.customer-service {
    padding: 80px 0;
    background: var(--background-card);
    text-align: center;
}

.customer-service h2 {
    font-size: clamp(1rem, 3vw, 2rem);
    margin-bottom: 2rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.customer-service p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem auto;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--background-dark);
    padding: 0px 0 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
}

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

.footer-brand h3 {
    font-size: 2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--text-accent);
}

.footer-contact a {
    color: var(--text-accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: #ff8c42;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.disclaimer {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        padding: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .winners-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .winners-gallery {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .features,
    .winners,
    .customer-service {
        padding: 60px 0;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Performance Optimizations */
img {
    max-width: 100%;
    height: auto;
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
a:focus {
    outline: 2px solid var(--text-accent);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .hero,
    .features,
    .winners,
    .customer-service {
        break-inside: avoid;
    }
}