@import url('https://fonts.googleapis.com/css2?family=Google+Sans:ital,opsz,wght@0,17..18,400..700;1,17..18,400..700&display=swap');

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

body {
    font-family: 'Google Sans', 'Arial', sans-serif;
    background: #f8fafc;
    color: #0f172a;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Google Sans', 'Inter', sans-serif;
    font-weight: 700;
}

/* ============================================
   NAVBAR
============================================ */
.navbar {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    padding: 0.75rem 0 !important;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 800 !important;
    font-size: 1.35rem !important;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #0f172a 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500 !important;
    color: #334155 !important;
    padding: 0.5rem 1rem !important;
    border-radius: 12px;
    transition: all 0.25s ease;
    position: relative;
    font-size: 0.9rem;
}

.nav-link:hover {
    color: #0f172a !important;
    background: rgba(59, 130, 246, 0.06);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 60%;
}

.navbar-toggler {
    border: none !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: 12px !important;
    background: rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    background: rgba(0, 0, 0, 0.06);
}

.navbar-toggler:focus {
    box-shadow: none !important;
}

/* ============================================
   HERO / HEADER
============================================ */
.display-5 {
    font-weight: 800 !important;
    letter-spacing: -1px;
    color: #0f172a;
}

.divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 4px;
    margin: 1rem auto;
}

/* ============================================
   POST CARDS
============================================ */
.post-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.10);
    border-color: rgba(59, 130, 246, 0.10);
}

.post-card-link {
    text-decoration: none !important;
    color: inherit !important;
    display: block;
    padding: 1.25rem;
}

.post-card img {
    border-radius: 16px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.post-card:hover img {
    transform: scale(1.02);
}

.post-date {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #94a3b8;
    font-weight: 600;
}

.post-title {
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    margin: 0.5rem 0 0.25rem;
    line-height: 1.4;
    color: #0f172a;
    transition: color 0.2s ease;
}

.post-card:hover .post-title {
    color: #3b82f6;
}

.post-desc {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   POST CONTENT (Detail)
============================================ */
.post-content {
    background: #ffffff;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.post-content-title {
    font-weight: 800 !important;
    font-size: 2.25rem !important;
    letter-spacing: -0.5px;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.post-content-date {
    font-size: 0.85rem;
    color: #94a3b8;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.post-content img {
    border-radius: 20px;
    width: 100%;
    height: auto;
    margin: 1.5rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.post-content p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #334155;
    margin-bottom: 1.25rem;
}

.post-content p:last-child {
    margin-bottom: 0;
}

/* ============================================
   TAGS
============================================ */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.post-tags .btn {
    border-radius: 100px !important;
    font-weight: 500 !important;
    font-size: 0.75rem !important;
    padding: 0.35rem 1rem !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid #e2e8f0 !important;
    color: #475569 !important;
    transition: all 0.2s ease;
}

.post-tags .btn:hover {
    background: #3b82f6 !important;
    color: #fff !important;
    border-color: #3b82f6 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

/* ============================================
   BUTTONS
============================================ */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
    border: none !important;
    padding: 0.6rem 1.8rem !important;
    font-weight: 600 !important;
    border-radius: 100px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35) !important;
}

.btn-outline-dark {
    border-radius: 100px !important;
    font-weight: 500 !important;
    border: 1px solid #e2e8f0 !important;
    color: #1e293b !important;
    padding: 0.6rem 1.8rem !important;
    transition: all 0.3s ease !important;
}

.btn-outline-dark:hover {
    background: #0f172a !important;
    color: #fff !important;
    border-color: #0f172a !important;
}

/* ============================================
   PAGINATION
============================================ */
.pagination .page-link {
    border: none !important;
    border-radius: 12px !important;
    color: #334155 !important;
    font-weight: 500 !important;
    padding: 0.6rem 1.2rem !important;
    margin: 0 0.2rem !important;
    transition: all 0.2s ease;
    background: transparent !important;
}

.pagination .page-link:hover {
    background: rgba(59, 130, 246, 0.08) !important;
    color: #3b82f6 !important;
}

.pagination .active .page-link {
    background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

.pagination .disabled .page-link {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================
   FOOTER
============================================ */
footer {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.04) !important;
    margin-top: 4rem !important;
}

footer p {
    font-size: 0.85rem;
    color: #94a3b8;
    font-weight: 400;
}

footer a {
    font-weight: 600;
    color: #0f172a !important;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #3b82f6 !important;
}

/* ============================================
   LIST GROUP (Tags Page)
============================================ */
.list-group-item {
    border-radius: 16px !important;
    margin-bottom: 0.4rem !important;
    font-weight: 500 !important;
    color: #1e293b !important;
    transition: all 0.2s ease;
    background: transparent !important;
}

.list-group-item:hover {
    background: rgba(59, 130, 246, 0.05) !important;
    color: #3b82f6 !important;
    padding-left: 1.75rem !important;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
    .post-content {
        padding: 1.5rem;
    }

    .post-content-title {
        font-size: 1.6rem !important;
    }

    .post-card {
        margin-bottom: 1rem;
    }

    .display-5 {
        font-size: 2rem !important;
    }

    .navbar-brand {
        font-size: 1.1rem !important;
    }
}

/* ============================================
   CUSTOM BOOTSTRAP OVERRIDE
============================================ */
.container {
    max-width: 1200px !important;
}

.shadow-sm {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important;
}

.rounded-5 {
    border-radius: 24px !important;
}

.rounded-4 {
    border-radius: 20px !important;
}

.bg-white {
    background: #ffffff !important;
}

.text-muted {
    color: #94a3b8 !important;
}

.fw-medium {
    font-weight: 500 !important;
}

.fw-bold {
    font-weight: 700 !important;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.15);
    color: #0f172a;
}
/* ============================================
   HERO SECTION
============================================ */
.hero-section {
    padding: 80px 0 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #0f172a;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: #475569;
    max-width: 500px;
    line-height: 1.8;
}

.btn-hero {
    padding: 0.75rem 2rem;
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-hero-primary {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(59,130,246,0.25);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59,130,246,0.35);
    color: #fff;
}

.btn-hero-outline {
    background: transparent;
    color: #0f172a;
    border: 1px solid #cbd5e1;
}

.btn-hero-outline:hover {
    background: #0f172a;
    color: #fff;
    border-color: #0f172a;
}

/* ============================================
   TERMINAL WINDOW
============================================ */
.terminal-window {
    background: #0f172a;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    font-family: 'Courier New', monospace;
    color: #e2e8f0;
}

.terminal-dots {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #22c55e; }

.terminal-line {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 4px;
}

.terminal-line .prompt {
    color: #22c55e;
}

.terminal-line .cmd {
    color: #e2e8f0;
}

.terminal-line .output {
    color: #94a3b8;
}

/* ============================================
   FEATURES SECTION
============================================ */
.features-section {
    padding: 80px 0;
    background: #ffffff;
}

.feature-card {
    padding: 2rem;
    border-radius: 20px;
    background: #f8fafc;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0,0,0,0.03);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
}

.section-badge {
    display: inline-block;
    background: rgba(59,130,246,0.1);
    color: #3b82f6;
    padding: 0.3rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-section {
        padding: 40px 0;
    }
    .terminal-window {
        padding: 16px;
    }
    .terminal-line {
        font-size: 0.7rem;
    }
}
/* ============================================
   DONATION SECTION
============================================ */
.donation-section {
    background: #f8fafc;
    padding: 60px 0;
}

.donation-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
}

.donation-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.08) !important;
}

.donation-icon {
    font-size: 3rem;
    line-height: 1;
}

.btn-dark {
    background: #0f172a !important;
    border: none !important;
    padding: 0.6rem 1.8rem !important;
    font-weight: 600 !important;
    border-radius: 100px !important;
    transition: all 0.3s ease !important;
}

.btn-dark:hover {
    background: #1e293b !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(15,23,42,0.25);
}

.btn-warning {
    background: #f59e0b !important;
    border: none !important;
    padding: 0.6rem 1.8rem !important;
    font-weight: 600 !important;
    border-radius: 100px !important;
    color: #0f172a !important;
    transition: all 0.3s ease !important;
}

.btn-warning:hover {
    background: #d97706 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245,158,11,0.35);
}