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

:root {
    /* Color Palette - Dari Banner */
    --primary-green: #1a4d2e;
    --secondary-green: #2d5f3d;
    --light-green: #4a7c59;
    --gold: #d4af37;
    --light-gold: #e8c96f;
    --dark-gold: #b8941f;

    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --black: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--light-gold) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(26, 77, 46, 0.95) 0%, rgba(45, 95, 61, 0.9) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-placeholder {
    width: 60px;
    height: 60px;
}

.logo-placeholder svg {
    width: 100%;
    height: 100%;
}

.logo-text h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1.2;
    margin: 0;
}

.logo-text .highlight {
    color: var(--gold);
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--gray);
    margin: 0;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
    background: rgba(26, 77, 46, 0.1);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: var(--white);
    overflow: hidden;
    padding: var(--spacing-2xl) 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.15) 0%, transparent 50%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.badge-special {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-gold);
    color: var(--primary-green);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    animation: pulse 2s infinite;
}

.badge-icon {
    font-size: 1.2rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.hero-highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--light-gold);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-green);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gold);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    animation: float 20s infinite ease-in-out;
}

.decoration-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.decoration-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation-delay: 5s;
}

.decoration-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ========================================
   SECTION STYLES
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    display: inline-block;
    color: var(--gold);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   PROGRAM SECTION
   ======================================== */
.program-section {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.program-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.program-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.program-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--primary-green);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.program-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.program-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-green);
}

.program-card.featured h3 {
    color: var(--gold);
}

.program-card p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.program-features {
    list-style: none;
}

.program-features li {
    padding: var(--spacing-xs) 0;
    font-size: 0.95rem;
}

.program-card.featured .program-features li {
    opacity: 0.95;
}

/* ========================================
   ADDITIONAL SECTION
   ======================================== */
.additional-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.additional-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.additional-card {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.additional-card:hover {
    border-color: var(--gold);
    transform: scale(1.05);
}

.additional-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.additional-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.additional-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features-section {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.features-content {
    display: block;
    max-width: 900px;
    margin: 0 auto;
}

.features-left .section-subtitle {
    display: block;
    text-align: left;
}

.features-left .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ========================================
   REGISTRATION SECTION
   ======================================== */
.registration-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.registration-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
}

.registration-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.info-list {
    padding-left: var(--spacing-md);
}

.info-list li {
    padding: var(--spacing-xs) 0;
    color: var(--gray);
}

.promo-card {
    background: var(--gradient-primary);
    color: var(--white);
}

.promo-card h3 {
    color: var(--gold);
}

.promo-badge {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--primary-green);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.countdown {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

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

.countdown-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--gold);
}

.countdown-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.registration-form-container {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.required {
    color: #dc3545;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid #dee2e6;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-normal);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(26, 77, 46, 0.1);
}

.form-group small {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: var(--spacing-xs);
}

.radio-group {
    display: flex;
    gap: var(--spacing-md);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border: 2px solid #dee2e6;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.radio-label:hover {
    border-color: var(--primary-green);
}

.radio-label input[type="radio"] {
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    color: var(--primary-green);
    font-weight: 600;
}

.form-actions {
    margin-top: var(--spacing-md);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    position: relative;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.success-message {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-gold);
    color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.success-message h3 {
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.success-message p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-col h3 {
    color: var(--gold);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    opacity: 0.9;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--gold);
    color: var(--primary-green);
}

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

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.contact-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-list a {
    color: var(--white);
    font-weight: 500;
}

.contact-list a:hover {
    color: var(--gold);
}

.contact-list small {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
}

.address {
    display: flex;
    gap: var(--spacing-sm);
    line-height: 1.8;
}

.btn-map {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.btn-map:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--primary-green);
}

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

.schedule-list li {
    padding: var(--spacing-xs) 0;
    opacity: 0.9;
}

.schedule-list li.highlight {
    color: var(--gold);
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--gold);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-bottom a:hover {
    color: var(--light-gold);
    text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 992px) {
    .registration-container {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs);
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .program-grid,
    .additional-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .registration-form-container {
        padding: var(--spacing-md);
    }
}

/* ========================================
   ANIMATIONS & UTILITIES
   ======================================== */
.fade-in {
    animation: fadeIn 0.5s ease;
}

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

.slide-in-left {
    animation: slideInLeft 0.5s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Print Styles */
@media print {
    .header,
    .hero,
    .nav,
    .hero-buttons,
    .footer {
        display: none;
    }
}