/* ============================================
   Landing Page - Pondok Pesantren Al-Hikmah
   Custom CSS Enhancements
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Amiri:wght@400;700&display=swap');

:root {
    --primary: #0c4a6e;
    --primary-light: #0369a1;
    --primary-dark: #083344;
    --secondary: #059669;
    --secondary-light: #10b981;
    --accent: #d97706;
    --accent-light: #f59e0b;
    --gold: #b8860b;
    --gold-light: #daa520;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-light: #f8fafc;
    --bg-cream: #fefce8;
    --gradient-primary: linear-gradient(135deg, #0c4a6e 0%, #059669 100%);
    --gradient-gold: linear-gradient(135deg, #b8860b 0%, #daa520 50%, #f59e0b 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
}

.font-arabic {
    font-family: 'Amiri', serif;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--accent-light) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-light);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 80%;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 1;
}

.hero-geometric {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    z-index: 1;
}

.hero-geometric-1 {
    width: 600px;
    height: 600px;
    background: var(--secondary-light);
    top: -200px;
    right: -100px;
    animation: float-slow 20s ease-in-out infinite;
}

.hero-geometric-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-light);
    bottom: -100px;
    left: -100px;
    animation: float-slow 15s ease-in-out infinite reverse;
}

.hero-geometric-3 {
    width: 200px;
    height: 200px;
    background: var(--gold-light);
    top: 50%;
    left: 50%;
    animation: float-slow 12s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(5deg); }
    66% { transform: translateY(15px) rotate(-3deg); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
    color: var(--accent-light);
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 800;
    color: white;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title .gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 3vw, 1.15rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 650px;
    margin: 0 auto 2.5rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.25rem;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
}

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

/* ===== BUTTONS ===== */
.btn-primary-custom {
    background: var(--gradient-gold);
    color: var(--dark) !important;
    font-weight: 700;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.4);
    color: var(--dark) !important;
    text-decoration: none;
}

.btn-secondary-custom {
    background: rgba(255, 255, 255, 0.1);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    color: white !important;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.btn-secondary-custom:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    color: white !important;
    text-decoration: none;
}

.btn-green {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white !important;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3);
}

.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(5, 150, 105, 0.4);
    color: white !important;
    text-decoration: none;
}

/* ===== SECTION STYLES ===== */
.section-padding {
    padding: 6rem 0;
}

.section-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.section-heading {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
}

/* ===== ABOUT/PROFIL SECTION ===== */
.about-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    position: relative;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-floating-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: white;
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 5;
}

.about-floating-card .icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.visi-misi-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    height: 100%;
}

.visi-misi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.visi-misi-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* ===== PROGRAM SECTION ===== */
.program-section {
    background: white;
    position: relative;
}

.program-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

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

.program-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.program-card:hover .program-icon {
    transform: scale(1.1) rotate(5deg);
}

.program-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.program-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Program icon colors */
.program-card:nth-child(1) .program-icon { background: rgba(12, 74, 110, 0.1); color: var(--primary); }
.program-card:nth-child(2) .program-icon { background: rgba(5, 150, 105, 0.1); color: var(--secondary); }
.program-card:nth-child(3) .program-icon { background: rgba(217, 119, 6, 0.1); color: var(--accent); }
.program-card:nth-child(4) .program-icon { background: rgba(124, 58, 237, 0.1); color: #7c3aed; }
.program-card:nth-child(5) .program-icon { background: rgba(236, 72, 153, 0.1); color: #ec4899; }
.program-card:nth-child(6) .program-icon { background: rgba(14, 165, 233, 0.1); color: #0ea5e9; }

/* ===== BERITA SECTION ===== */
.berita-section {
    background: var(--bg-light);
}

.berita-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.berita-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.berita-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.berita-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.berita-card:hover .berita-card-img img {
    transform: scale(1.1);
}

.berita-kategori {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.berita-card-body {
    padding: 1.5rem;
}

.berita-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.berita-card-body h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.berita-card-body h3 a:hover {
    color: var(--primary-light);
}

.berita-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.berita-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== GALERI SECTION ===== */
.galeri-section {
    background: white;
}

.galeri-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.galeri-item {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.galeri-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.galeri-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.galeri-item:hover .galeri-overlay {
    opacity: 1;
}

.galeri-item:hover img {
    transform: scale(1.1);
}

.galeri-overlay h4 {
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
}

.galeri-overlay span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

/* ===== PENDAFTARAN SECTION ===== */
.pendaftaran-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.pendaftaran-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 20.5V18H0v-2h20v-2H0V12h20V10H0V8h20V6H0V4h20V2H0V0h22v20h2V0h2v20h2V0h2v20h2V0h2v20h2V0h2v22H20v-1.5zM0 20h2v20H0V20zm4 0h2v20H4V20zm4 0h2v20H8V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20z'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 1;
}

.pendaftaran-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    z-index: 5;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: white;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-light);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-label-light {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

.form-select-dark {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: white;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    appearance: none;
    cursor: pointer;
}

.form-select-dark:focus {
    outline: none;
    border-color: var(--accent-light);
    background: rgba(255, 255, 255, 0.12);
}

.form-select-dark option {
    background: var(--dark);
    color: white;
}

/* ===== KONTAK SECTION ===== */
.kontak-section {
    background: var(--bg-light);
}

.kontak-info-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.kontak-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.kontak-item:last-child {
    border-bottom: none;
}

.kontak-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.kontak-form-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.form-input-light {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: var(--bg-light);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    color: var(--dark);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-input-light:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
    background: white;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-link:hover {
    color: var(--accent-light);
    transform: translateX(5px);
}

.social-link {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.social-link:hover {
    background: var(--gradient-gold);
    color: var(--dark);
    transform: translateY(-3px);
    border-color: transparent;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== LIGHTBOX ===== */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 6.5rem; /* Shifted up to make room for WhatsApp button */
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(12, 74, 110, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

/* ===== WA FLOAT ===== */
.wa-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25d366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    text-decoration: none !important;
}

.wa-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
    color: white !important;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(12, 74, 110, 0.4);
}

/* ===== FLASH MESSAGES ===== */
.flash-message {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideInRight 0.5s ease-out;
}

.flash-success { background: linear-gradient(135deg, #059669, #10b981); }
.flash-error { background: linear-gradient(135deg, #dc2626, #ef4444); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1023px) {
    .navbar {
        background: rgba(15, 23, 42, 0.98) !important;
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    #mobile-menu {
        background: rgba(15, 23, 42, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        padding: 1.25rem;
        margin-top: 0.75rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
}

@media (max-width: 768px) {
    .galeri-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-floating-card {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 1rem;
    }
    .pendaftaran-form-wrapper {
        padding: 1.5rem;
    }
    .section-padding {
        padding: 4rem 0;
    }
    .about-image img {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .galeri-grid {
        grid-template-columns: 1fr;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 1rem;
    }
    .btn-primary-custom, .btn-secondary-custom, .btn-green {
        width: 100%;
        justify-content: center;
        padding: 0.85rem 1.5rem;
        font-size: 0.95rem;
    }
    .about-image img {
        height: 220px;
    }
}