/* style.css - Styling lengkap PPLG.ONE */

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

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #7c3aed;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 30px rgba(0, 0, 0, 0.12);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 12px 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.navbar-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.08);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.12);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 8px;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    opacity: 0.85;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 60px 0;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-highlight {
    color: #fcd34d;
}

.hero-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: white;
    color: var(--primary);
    border-color: white;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 400px;
    margin: 0 auto 32px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 800;
}

.stat-item p {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Homeroom Teacher */
.homeroom-teacher-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin: 0 auto;
}

.homeroom-teacher-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.homeroom-teacher-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.homeroom-teacher-role {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Placeholder */
.class-placeholder {
    display: none;
}

.placeholder-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.placeholder-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.placeholder-card p {
    opacity: 0.8;
    margin-bottom: 16px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 60px;
    text-align: center;
}

.countdown-number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.countdown-label {
    font-size: 0.65rem;
    opacity: 0.7;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.section-badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-text {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-item {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.feature-item h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* History Section */
.history-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.history-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.history-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.history-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
    color: var(--primary);
}

.history-year {
    display: inline-block;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.history-class {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.history-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.history-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.status-badge {
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 600;
}

.status-badge.active {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.waiting {
    background: #fef3c7;
    color: #92400e;
}

/* ============================================
   STUDENT SECTION
   ============================================ */
.student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.student-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

.student-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.student-card-inner {
    display: flex;
    flex-direction: column;
}

.student-photo-wrapper {
    position: relative;
    padding-top: 100%;
    background: #f3f4f6;
}

.student-photo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gender-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.gender-male {
    background: rgba(59, 130, 246, 0.85);
}

.gender-female {
    background: rgba(219, 39, 119, 0.85);
}

.student-info {
    padding: 14px;
    text-align: center;
}

.student-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.student-class {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.gallery-card-inner {
    display: flex;
    flex-direction: column;
}

.gallery-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-image {
    transform: scale(1.03);
}

.gallery-caption {
    padding: 14px 16px;
    text-align: center;
}

.gallery-badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.gallery-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0;
}

/* ============================================
   PROJECT SECTION
   ============================================ */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.project-card-inner {
    display: flex;
    flex-direction: column;
}

.project-image-wrapper {
    position: relative;
    overflow: hidden;
}

.project-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-year {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

.project-info {
    padding: 18px 20px 20px;
}

.project-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.project-desc {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-tech {
    display: inline-block;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.page-hero p {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.page-hero .badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 12px;
}

/* ============================================
   CONTENT SECTION
   ============================================ */
.content-section {
    padding: 60px 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text-dark);
}

.contact-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(79, 70, 229, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-info h4 {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
}

.contact-info p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
}

.info-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
}

.info-card .icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.info-card h4 {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.info-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.info-card a {
    color: var(--primary);
    text-decoration: none;
}

.info-card a:hover {
    text-decoration: underline;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #1f2937;
    color: white;
    padding: 40px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.social-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.social-link:hover {
    color: white;
    transform: translateX(4px);
}

.footer-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.footer-info a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.footer-info a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .stat-item h3 {
        font-size: 1.5rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .history-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }
    
    .homeroom-teacher-card {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }
    
    .student-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 16px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
    
    .content-section {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
    }
    
    .stat-item {
        padding: 12px 8px;
    }
    
    .stat-item h3 {
        font-size: 1.25rem;
    }
    
    .countdown-timer {
        gap: 6px;
    }
    
    .countdown-item {
        min-width: 45px;
        padding: 4px 8px;
    }
    
    .countdown-number {
        font-size: 1rem;
    }
    
    .student-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .student-name {
        font-size: 0.75rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}