/* ══════════════════════════════════════════
   ARHANUD-7 PORTAL — Design System
   Theme: Military Dark + Gold Accent
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    --bg-primary: #050d1a;
    --bg-secondary: #07162e;
    --bg-tertiary: #0a1f3e;
    --gold: #d4af37;
    --gold-light: #f0c040;
    --gold-dim: rgba(212,175,55,0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.6);
    --glass-bg: rgba(8, 20, 42, 0.65);
    --glass-bg-light: rgba(8, 20, 42, 0.45);
    --glass-border: rgba(212,175,55,0.2);
    --radius: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto !important;
    line-height: 1.7;
}

/* ── Animated Background ── */
.bg-scene {
    position: fixed; inset: 0; z-index: 0;
    width: 100%; height: 100%;
    pointer-events: none !important;
}
.bg-slide {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0;
    filter: brightness(0.85);
    animation: fadeSlide 18s infinite;
}
.bg-slide::after {
    content: ''; position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.65);
}
.bg-slide:nth-child(1) { animation-delay: 0s; }
.bg-slide:nth-child(2) { animation-delay: 6s; }
.bg-slide:nth-child(3) { animation-delay: 12s; }

@keyframes fadeSlide {
    0%, 100% { opacity: 0; transform: scale(1.05); }
    10%, 33% { opacity: 1; transform: scale(1); }
    43% { opacity: 0; transform: scale(1.05); }
}

.grid-lines {
    position: fixed; inset: 0; z-index: 0;
    background-image:
        linear-gradient(rgba(30,99,200,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,99,200,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridDrift 25s linear infinite;
    pointer-events: none !important;
}
@keyframes gridDrift { 0%{transform:translateY(0)} 100%{transform:translateY(60px)} }

.particles { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.particle {
    position: absolute; width: 1.5px; height: 1.5px;
    background: rgba(212,175,55,0.25); border-radius: 50%;
    animation: floatUp linear infinite;
}
@keyframes floatUp {
    0%   { transform: translateY(100vh) translateX(0); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(-10vh) translateX(30px); opacity: 0; }
}

/* ── Navbar ── */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 40px;
    background: rgba(5, 13, 26, 0.75);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212,175,55,0.12);
    transition: var(--transition);
}
.navbar.scrolled {
    padding: 10px 40px;
    background: rgba(5, 13, 26, 0.88);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-brand {
    display: flex; align-items: center; gap: 14px;
    text-decoration: none; color: var(--text-primary);
}
.nav-brand img { width: 42px; height: 42px; border-radius: 50%; object-fit: contain; }
.nav-brand-text h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.15rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    line-height: 1.2;
}
.nav-brand-text span {
    font-size: 0.65rem; color: var(--gold);
    letter-spacing: 2px; text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 8px;
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.82rem; font-weight: 500;
    letter-spacing: 0.5px; transition: var(--transition);
    border: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--gold);
    background: rgba(212,175,55,0.08);
    border-color: rgba(212,175,55,0.15);
}
.nav-links a i { font-size: 1rem; }

/* Login / Dashboard Button in Navbar */
.nav-login-btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 8px 18px; border-radius: 10px;
    background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.1));
    border: 1px solid rgba(212,175,55,0.4);
    color: var(--gold);
    text-decoration: none;
    font-size: 0.82rem; font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-login-btn:hover {
    background: rgba(212,175,55,0.25);
    border-color: var(--gold);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(212,175,55,0.25);
}

.nav-login-mobile {
    display: none !important;
}

.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px; z-index: 1001;
}
.hamburger span {
    display: block; width: 24px; height: 2px;
    background: var(--gold); border-radius: 2px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── Hero Section ── */
.hero {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
}
.hero-content { max-width: 800px; animation: fadeInUp 0.8s ease both; }

.hero-logo {
    width: 130px; height: 130px;
    margin: 0 auto 28px;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.hero-logo img { 
    width: 100%; height: 100%; object-fit: contain; 
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%,100% { filter: drop-shadow(0 0 10px rgba(212,175,55,0.3)); }
    50%     { filter: drop-shadow(0 0 25px rgba(212,175,55,0.6)); }
}

.hero h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 3.2rem; font-weight: 700;
    letter-spacing: 4px; text-transform: uppercase;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, #d4af37 50%, #f0c040 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero .subtitle {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem; font-weight: 600;
    color: var(--gold); letter-spacing: 6px;
    text-transform: uppercase; margin-bottom: 10px;
}
.hero .tagline {
    font-size: 0.9rem; color: var(--text-secondary);
    max-width: 600px; margin: 0 auto 36px; line-height: 1.8;
}
.hero-divider {
    width: 80px; height: 2px; margin: 0 auto 24px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.btn-cta {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 36px; border-radius: 10px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    text-decoration: none; color: #0a1428;
    background: var(--gold);
    box-shadow: 0 4px 20px rgba(212,175,55,0.25);
    transition: var(--transition);
    border: none; cursor: pointer;
}
.btn-cta:hover {
    background: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212,175,55,0.4);
}

/* ── Sections Common ── */
.section {
    position: relative; z-index: 1;
    padding: 100px 20px;
}
.section-inner {
    max-width: 1100px; margin: 0 auto;
}
.section-header {
    text-align: center; margin-bottom: 60px;
}
.section-header h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2rem; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase;
    margin-bottom: 12px;
}
.section-header .line {
    width: 60px; height: 2px; margin: 0 auto 16px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.section-header p {
    color: var(--text-secondary); font-size: 0.9rem;
    max-width: 600px; margin: 0 auto;
}

/* ── About Section ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.about-card {
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 36px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}
.about-card:hover {
    border-color: rgba(212,175,55,0.45);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.about-card h4 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.2rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--gold); margin-bottom: 16px;
    display: flex; align-items: center; gap: 10px;
}
.about-card p, .about-card li {
    color: var(--text-secondary); font-size: 0.88rem; line-height: 1.8; text-align: justify;
    -webkit-hyphens: auto; -ms-hyphens: auto; hyphens: auto;
}
.about-card ul { list-style: none; padding: 0; }
.about-card ul li {
    padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex; align-items: center; gap: 8px;
}
.about-card ul li i { color: var(--gold); font-size: 0.7rem; }

/* ── Sistem Grid — 2 Kartu Center ── */
.sistem-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 280px));
    gap: 24px;
    justify-content: center;
}
.sistem-card {
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 26px 16px;
    text-align: center;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    text-decoration: none; color: inherit;
    display: block;
    position: relative; overflow: hidden;
}
.sistem-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0; transition: var(--transition);
}
.sistem-card:hover {
    border-color: rgba(212,175,55,0.5);
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0,0,0,0.5);
}
.sistem-card:hover::before { opacity: 1; }

.sistem-icon {
    width: 54px; height: 54px;
    margin: 0 auto 14px;
    border-radius: 14px;
    background: var(--gold-dim);
    border: 1px solid rgba(212,175,55,0.25);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--gold);
    transition: var(--transition);
}
.sistem-card:hover .sistem-icon {
    background: rgba(212,175,55,0.25);
    transform: scale(1.1);
}
.sistem-card h4 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.92rem; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    margin-bottom: 8px;
}
.sistem-card p {
    font-size: 0.78rem; color: var(--text-secondary); line-height: 1.6;
}
.sistem-card .card-arrow {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 16px; font-size: 0.78rem;
    color: var(--gold); font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    opacity: 0; transform: translateY(8px);
    transition: var(--transition);
}
.sistem-card:hover .card-arrow, .sistem-card:focus-within .card-arrow { opacity: 1; transform: translateY(0); }


/* ── Pimpinan (Centered Single) ── */
.pimpinan-single {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 50px 40px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}
.pimpinan-single:hover {
    transform: translateY(-5px);
    border-color: rgba(212,175,55,0.5);
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}
.pimpinan-img-wrapper {
    width: 200px; height: 200px;
    margin: 0 auto 30px;
    border-radius: 50%; padding: 5px;
    background: linear-gradient(135deg, var(--gold), rgba(212,175,55,0.2));
}
.pimpinan-placeholder, .pimpinan-photo {
    width: 100%; height: 100%;
    border-radius: 50%; background: #0a1f3e;
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: rgba(212,175,55,0.3);
    border: 2px solid rgba(212,175,55,0.2);
    object-fit: cover;
}
.pimpinan-photo.wadan {
    object-position: center 15%;
}
.pimpinan-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.5rem; font-weight: 700;
    letter-spacing: 1px; color: #fff;
    margin-bottom: 10px;
}
.pimpinan-jabatan {
    color: var(--gold);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
}
.pimpinan-divider {
    width: 80px; height: 2px;
    margin: 50px auto;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ── Kegiatan / Berita (Kaskus Thread Style) ── */
.kegiatan-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.kegiatan-thread {
    display: flex;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}
.kegiatan-thread:hover {
    border-color: rgba(212,175,55,0.4);
    transform: translateX(6px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.kegiatan-thread-img {
    width: 280px;
    min-height: 200px;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}
.kegiatan-thread-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.kegiatan-thread:hover .kegiatan-thread-img img {
    transform: scale(1.08);
}
.kegiatan-img-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #07162e, #0a1f3e);
    display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem;
    color: rgba(212,175,55,0.25);
}
.kegiatan-thread-body {
    padding: 28px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;
}
.kegiatan-thread-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.kegiatan-badge {
    display: inline-flex;
    align-items: center; gap: 6px;
    padding: 4px 12px;
    border-radius: 6px;
    background: linear-gradient(135deg, #E1306C, #C13584);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.kegiatan-date-tag {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}
.kegiatan-thread-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.35;
    letter-spacing: 0.5px;
}
.kegiatan-thread-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.kegiatan-thread-footer {
    margin-top: auto;
}
.kegiatan-readmore {
    font-size: 0.8rem;
    color: var(--gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.kegiatan-thread:hover .kegiatan-readmore {
    color: #fff;
    gap: 12px;
}

/* ── Kontak ── */
.kontak-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.kontak-info { display: flex; flex-direction: column; gap: 30px; }
.info-item { display: flex; align-items: flex-start; gap: 20px; }
.info-icon { width: 50px; height: 50px; border-radius: 12px; background: rgba(212,175,55,0.1); border: 1px solid rgba(212,175,55,0.25); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--gold); flex-shrink: 0; }
.info-item h5 { font-family: 'Rajdhani', sans-serif; font-size: 1.1rem; font-weight: 700; letter-spacing: 1px; color: #fff; margin-bottom: 5px; text-transform: uppercase; }
.info-item p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* ── Footer ── */
.footer {
    position: relative; z-index: 1;
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid rgba(212,175,55,0.1);
}
.footer p {
    font-size: 0.72rem; color: var(--text-muted);
    letter-spacing: 1.5px; text-transform: uppercase;
}
.footer .footer-brand {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700; color: var(--gold);
    letter-spacing: 2px;
}

/* ── Fade-in Animation ── */
.fade-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

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

/* ── Responsive ── */

/* Tablet landscape: tetap 2 kolom terpusat */
@media (max-width: 1200px) {
    .sistem-grid { grid-template-columns: repeat(2, minmax(0, 260px)); gap: 20px; }
}

/* Tablet portrait: tetap 2 kolom terpusat */
@media (max-width: 900px) {
    .sistem-grid { grid-template-columns: repeat(2, minmax(0, 220px)); gap: 16px; }
}

@media (max-width: 1150px) {
    /* Navbar Mobile */
    .navbar { padding: 12px 20px; }
    .nav-login-btn { display: none !important; }
    .nav-login-mobile { display: block !important; margin-top: 15px; width: 100%; }
    .nav-login-btn-mobile {
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 16px;
        border-radius: 8px;
        background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.1)) !important;
        border: 1px solid rgba(212,175,55,0.4) !important;
        color: var(--gold) !important;
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: var(--transition);
        text-align: center;
    }
    .nav-login-btn-mobile:hover {
        background: rgba(212,175,55,0.3) !important;
        border-color: var(--gold) !important;
        color: #fff !important;
    }
    .nav-links {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        flex-direction: column; gap: 4px;
        padding: 80px 24px 40px;
        background: rgba(5,13,26,0.92);
        border-left: 1px solid rgba(212,175,55,0.15);
        transition: right 0.35s ease;
    }
    .nav-links.open { right: 0; }
    .nav-links a { padding: 12px 16px; width: 100%; font-size: 0.9rem; }
    .hamburger { display: flex; }
}

@media (max-width: 768px) {
    /* ⚡ Performance Optimizations for Mobile */
    .grid-lines, .particles { display: none !important; }
    .navbar, .sistem-card, .about-card, .card { 
        backdrop-filter: blur(4px) !important; 
        -webkit-backdrop-filter: blur(4px) !important; 
    }

    /* Hero Text */
    .hero h2 { font-size: 2rem; letter-spacing: 2px; }
    .hero .subtitle { font-size: 0.85rem; letter-spacing: 3px; }
    .hero-logo { width: 110px; height: 110px; }
    .hero-logo img { width: 90px; height: 90px; }

    /* Layout Grids */
    .about-grid { grid-template-columns: 1fr; gap: 20px; }
    
    /* Sistem Grid Mobile — tetap 2 kolom center */
    .sistem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 380px; margin: 0 auto; }
    .sistem-card { padding: 16px 10px; }
    .sistem-icon { width: 42px; height: 42px; font-size: 1.15rem; margin-bottom: 8px; border-radius: 10px; }
    .sistem-card h4 { font-size: 0.8rem; margin-bottom: 0; }
    .sistem-card p { display: none; } /* Hide description on mobile for clean app-like look */

    .kontak-grid { grid-template-columns: 1fr; gap: 30px; }
    .pimpinan-single { padding: 35px 20px; }
    .pimpinan-img-wrapper { width: 160px; height: 160px; }
    .pimpinan-name { font-size: 1.2rem; }

    .kegiatan-thread { flex-direction: column; }
    .kegiatan-thread-img { width: 100%; min-height: 180px; }
    .kegiatan-thread:hover { transform: translateY(-4px); }

    .section { padding: 60px 16px; }
}

@media (max-width: 480px) {
    .hero h2 { font-size: 1.6rem; }
    .nav-brand-text h1 { font-size: 0.95rem; }
    .nav-brand-text span { display: none !important; }
    .pimpinan-name { font-size: 1.05rem; }
    .kegiatan-thread-title { font-size: 1.1rem; }
}