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

:root {
    /* Human-Crafted Modernist Palette */
    --primary: #ffffff;
    --bg-alt: #f8fafc;
    --accent: #6d28d9;
    --accent-soft: #f5f3ff;
    --text: #0f172a;
    --text-dim: #475569;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Engineering Dot Grid Background - Feels Crafted, not AI */
.engineering-grid {
    position: fixed; inset: 0; pointer-events: none; z-index: -1;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.5;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: 'Outfit', sans-serif; letter-spacing: -0.03em; color: var(--text); font-weight: 800; }
.text-gradient { background: linear-gradient(135deg, #6d28d9 0%, #db2777 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.btn {
    padding: 14px 32px; border-radius: 8px; font-weight: 600; font-size: 0.95rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; display: inline-flex; align-items: center; gap: 12px; border: none; text-decoration: none;
}
.btn-primary { background: #0f172a; color: #fff; }
.btn-primary:hover { background: #1e293b; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline {
    background: transparent; color: var(--text); border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); background: var(--bg-alt); }

.card {
    background: #fff; border: 1.5px solid var(--border); border-radius: 16px;
    padding: 32px; transition: all 0.3s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }

nav {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 32px 0; transition: 0.3s;
}
nav.scrolled { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); padding: 20px 0; border-bottom: 1px solid var(--border); }

.hero { padding: 0; position: relative; height: 85vh; overflow: hidden; background: #fff; max-width: 100vw; }

.slider-container { width: 100%; height: 100%; position: relative; }
.slider { width: 100%; height: 100%; position: relative; }
.slide {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center; text-align: center;
    padding: 0 24px; opacity: 0; transition: opacity 0.8s ease;
    pointer-events: none;
}
.slide.active { opacity: 1; pointer-events: auto; z-index: 2; }

.slide-content { 
    max-width: 900px; 
    opacity: 0; transform: translateY(20px);
    transition: all 0.6s 0.2s ease; 
}
.slide.active .slide-content { opacity: 1; transform: translateY(0); }

.slider-dots {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 20;
}
.dot {
    width: 10px; height: 10px; border-radius: 50%; background: rgba(0,0,0,0.12);
    cursor: pointer; transition: 0.3s;
}
.dot.active { background: var(--accent); width: 28px; border-radius: 5px; }

.badge {
    background: var(--accent-soft); color: var(--accent); padding: 8px 16px;
    border-radius: 6px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; margin-bottom: 24px; display: inline-block; border: 1px solid rgba(109, 40, 217, 0.1);
}

.grid { display: grid; gap: 40px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); }

footer { padding: 80px 0; border-top: 1.5px solid var(--border); margin-top: 120px; background: var(--bg-alt); position: relative; overflow: hidden; }

/* ── Phase 2: Frontend Aesthetics ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal-up {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* Dynamic Product Cards */
.product-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
    overflow: visible;
}

.product-card::before {
    content: ''; position: absolute; inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--accent), var(--accent-glow));
    z-index: -1; opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 48px rgba(109, 40, 217, 0.15);
    border-color: transparent;
}

.product-card:hover::before {
    opacity: 1;
}

/* Animated Gradient Mesh */
.mesh-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background: radial-gradient(circle at 0% 0%, rgba(109, 40, 217, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgba(219, 39, 119, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(109, 40, 217, 0.03) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: meshShift 20s ease infinite alternate;
    pointer-events: none;
}

@keyframes meshShift {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 50% 100%; }
}

/* Clean Software UI Mockup Style */
.ui-mockup {
    background: #f8fafc; border: 1px solid var(--border); border-radius: 8px;
    height: 160px; margin-bottom: 20px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.ui-mockup::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 24px;
    background: #e2e8f0; border-bottom: 1px solid var(--border);
}
.ui-mockup .icon-circle {
    width: 60px; height: 60px; border-radius: 12px; background: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--accent);
    box-shadow: var(--shadow-sm);
}

/* ── Responsive Table Wrapper ── */
.table-responsive { overflow-x:auto; -webkit-overflow-scrolling:touch; margin:0 -4px; padding:0 4px; }
.table-responsive .data-table { min-width:600px; }

/* ── Mobile Responsive ── */
@media (max-width: 768px) {
    /* General */
    .container { padding: 0 16px; }
    section { padding: 40px 0; }
    h1, .section-title { font-size: 1.5rem !important; }
    h2 { font-size: 1.3rem; }
    
    /* Navbar */
    nav .container { padding: 0 12px; }
    nav img { width: 32px !important; height: 32px !important; }
    nav span { font-size: 1.1rem !important; }
    
    /* Hero */
    .hero { height: 65vh; }
    .hero h1 { font-size: 1.5rem !important; line-height: 1.3; }
    .hero p { font-size: 0.85rem !important; margin-bottom: 24px !important; }
    .slide { padding: 0 16px; }
    .slide-content { max-width: 100%; }
    .slide-content h1 { font-size: 1.5rem !important; }
    .slider-dots { bottom: 16px; }
    
    /* Grids */
    .grid-3 { grid-template-columns: 1fr !important; gap: 20px !important; }
    .grid { gap: 20px; }
    .product-grid, .service-grid, .stats-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
    
    /* Sections */
    section { padding: 40px 0 !important; }
    section h2 { font-size: 1.5rem !important; }
    
    /* Cards */
    .card { padding: 20px; }
    
    /* Footer */
    footer { padding: 40px 0 90px; margin-top: 60px; }
    footer .container { flex-direction: column !important; gap: 16px; text-align: center; }
    
    /* Admin Layout */
    .admin-layout { flex-direction: column !important; }
    .admin-sidebar { width: 100% !important; position: relative !important; height: auto !important; top: auto !important; border-right: none !important; border-bottom: 1px solid var(--border); overflow-x: auto; display: flex !important; flex-direction: row !important; gap: 0 !important; padding: 8px !important; flex-wrap: nowrap; }
    .admin-sidebar .sidebar-logo, .admin-sidebar .sidebar-divider { display: none !important; }
    .admin-sidebar .sidebar-link { white-space: nowrap; padding: 8px 14px !important; font-size: 0.75rem !important; border-radius: 8px !important; }
    .admin-sidebar .sidebar-count { display: none; }
    .admin-main { padding: 16px !important; width: 100% !important; margin-left: 0 !important; }
    
    /* Admin page title */
    .page-title { font-size: 1.3rem !important; margin-bottom: 16px; }
    
    /* Data cards */
    .data-card { padding: 16px !important; border-radius: 12px !important; }
    .data-card h3 { font-size: 0.95rem; }
    
    /* Stat cards row */
    .stat-row, .stats-row { flex-direction: column !important; gap: 12px; }
    .stat-card { min-width: auto !important; }
    
    /* Tables */
    .data-table { font-size: 0.78rem; }
    .data-table th, .data-table td { padding: 8px 10px; }
    .data-table .btn-sm { padding: 4px 8px !important; font-size: 0.7rem; }
    
    /* Modal */
    .auth-modal { margin: 16px; padding: 24px !important; max-width: calc(100vw - 32px); }
    #addUserModal > div, #editUserModal > div { margin: 16px; max-width: calc(100vw - 32px); padding: 24px !important; }
    
    /* Banners */
    .banner-slide { padding: 32px 20px !important; min-height: auto !important; }
    .banner-slide h1 { font-size: 1.4rem !important; }
    .banner-slide h2 { font-size: 1.2rem !important; }
    
    /* Section badge */
    .section-badge { font-size: 0.65rem !important; padding: 4px 12px !important; }
    
    /* Auth row */
    .auth-row { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    nav#navbar span { font-size: 0.95rem !important; }
    .hero h1, .hero .page-title { font-size: 1.3rem !important; }
    .data-table { font-size: 0.72rem; }
    .data-table th, .data-table td { padding: 6px 8px; }
}