/* ============================================
   JoeLoch.com - Main Stylesheet
   Blue-based palette, clean professional design
   ============================================ */

/* CSS Custom Properties */
:root {
    --blue-900: #0a1628;
    --blue-800: #0f2240;
    --blue-700: #152e58;
    --blue-600: #1a3d75;
    --blue-500: #1e4d8c;
    --blue-400: #2563a8;
    --blue-300: #3b82c4;
    --blue-200: #6ba3db;
    --blue-100: #a3c8ed;
    --blue-50: #d6e6f7;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--blue-500);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--blue-400);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   Site Header & Navigation
   ============================================ */

.site-header {
    background: var(--blue-900);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 0;
}

.header-center {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
    letter-spacing: -0.5px;
}

.logo:hover {
    color: var(--blue-200) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.main-nav ul {
    display: flex;
    gap: 0.25rem;
}

.main-nav a {
    color: var(--gray-300);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

/* ============================================
   Site Main & Footer
   ============================================ */

.site-main {
    flex: 1;
    padding: 3rem 0;
}

.site-footer {
    background: var(--blue-900);
    color: var(--gray-300);
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-col p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--blue-200);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
    margin: 0;
}

/* ============================================
   Page Hero
   ============================================ */

.page-hero {
    background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
    color: var(--white);
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.page-hero h1 {
    color: var(--white);
    font-size: 2.75rem;
    margin-bottom: 0.5rem;
}

.page-hero p {
    color: var(--blue-200);
    font-size: 1.2rem;
    margin: 0;
    max-width: 700px;
}

/* ============================================
   Cards
   ============================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gray-200);
}

.card-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-600);
    font-size: 3rem;
    font-weight: 700;
    overflow: hidden;
}

.card-placeholder img,
.card-placeholder svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-body {
    padding: 1.5rem;
}

.card-body h3 {
    margin-bottom: 0.5rem;
}

.card-body h3 a {
    color: var(--gray-900);
}

.card-body h3 a:hover {
    color: var(--blue-500);
}

.card-body p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.card-body .btn {
    margin-top: 1rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--blue-500);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--blue-400);
    color: var(--white);
}

.btn-accent {
    background: var(--accent);
    color: var(--gray-900);
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: var(--gray-900);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--blue-500);
    color: var(--blue-500);
}

.btn-outline:hover {
    background: var(--blue-500);
    color: var(--white);
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-danger {
    background: #dc2626;
    color: var(--white);
}

.btn-danger:hover {
    background: #b91c1c;
    color: var(--white);
}

/* ============================================
   Divisions Grid (Home)
   ============================================ */

.divisions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.division-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    text-align: center;
    transition: box-shadow var(--transition), transform var(--transition);
    border-top: 4px solid var(--blue-500);
}

.division-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.division-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--blue-500);
}

.division-card h3 {
    margin-bottom: 0.75rem;
}

.division-card h3 a {
    color: var(--gray-900);
}

.division-card h3 a:hover {
    color: var(--blue-500);
}

.division-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ============================================
   Service List (LL Computers)
   ============================================ */

.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.service-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: box-shadow var(--transition);
}

.service-item:hover {
    box-shadow: var(--shadow);
}

.service-item h4 {
    color: var(--blue-600);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.service-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

/* PCB Background - LL Computers Only */
.ll-pcb-bg {
    position: relative;
}

.ll-pcb-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 168, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 40% 30%, rgba(37, 99, 168, 0.06) 1px, transparent 1px),
        radial-gradient(circle at 60% 70%, rgba(37, 99, 168, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 168, 0.06) 1px, transparent 1px),
        radial-gradient(circle at 10% 80%, rgba(37, 99, 168, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 90% 60%, rgba(37, 99, 168, 0.05) 1px, transparent 1px),
        linear-gradient(45deg, transparent 48%, rgba(37, 99, 168, 0.04) 48%, rgba(37, 99, 168, 0.04) 52%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(37, 99, 168, 0.04) 48%, rgba(37, 99, 168, 0.04) 52%, transparent 52%);
    background-size: 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 60px 60px, 30px 30px, 30px 30px;
    pointer-events: none;
    z-index: 0;
}

.ll-pcb-bg > * {
    position: relative;
    z-index: 1;
}

.ll-hero {
    background: linear-gradient(135deg, var(--blue-900), #0d1f3c);
    position: relative;
    overflow: hidden;
}

.ll-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 15% 45%, rgba(59, 130, 196, 0.12) 2px, transparent 2px),
        radial-gradient(circle at 35% 25%, rgba(59, 130, 196, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 55% 75%, rgba(59, 130, 196, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 75% 15%, rgba(59, 130, 196, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 90% 55%, rgba(59, 130, 196, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, transparent 49.5%, rgba(59, 130, 196, 0.05) 49.5%, rgba(59, 130, 196, 0.05) 50.5%, transparent 50.5%),
        linear-gradient(0deg, transparent 49.5%, rgba(59, 130, 196, 0.05) 49.5%, rgba(59, 130, 196, 0.05) 50.5%, transparent 50.5%);
    background-size: 80px 80px, 80px 80px, 80px 80px, 80px 80px, 80px 80px, 40px 40px, 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.ll-hero > * {
    position: relative;
    z-index: 1;
}

/* ============================================
   Portfolio Gallery
   ============================================ */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.portfolio-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.portfolio-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.portfolio-item .card-body {
    padding: 1.25rem;
}

.portfolio-item .card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.portfolio-item .card-body .category-tag {
    display: inline-block;
    background: var(--blue-100);
    color: var(--blue-700);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.portfolio-item .card-body p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.portfolio-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.portfolio-empty p {
    font-size: 1.1rem;
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form {
    max-width: 700px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--blue-400);
    box-shadow: 0 0 0 3px rgba(37, 99, 168, 0.15);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-success {
    background: #dcfce7;
    color: #166534;
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid #bbf7d0;
}

.form-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid #fecaca;
}

/* ============================================
   Admin Styles
   ============================================ */

.admin-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.admin-header {
    background: var(--blue-900);
    padding: 1rem 0;
}

.admin-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-header .logo {
    font-size: 1.2rem;
}

.admin-nav {
    display: flex;
    gap: 1rem;
}

.admin-nav a {
    color: var(--gray-300);
    font-size: 0.9rem;
}

.admin-nav a:hover {
    color: var(--white);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 1.5rem 0;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.admin-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.admin-table tr:hover td {
    background: var(--gray-50);
}

.admin-table .actions {
    display: flex;
    gap: 0.5rem;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue-500);
}

.admin-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.admin-section h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.admin-form .form-group {
    max-width: 600px;
}

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.admin-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Bulk Upload Area */
.bulk-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--gray-50);
}

.bulk-upload-area:hover,
.bulk-upload-area.dragover {
    border-color: var(--blue-400);
    background: var(--blue-50);
}

.bulk-upload-area .upload-icon {
    font-size: 3rem;
    color: var(--blue-400);
    margin-bottom: 1rem;
}

.bulk-upload-area p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.bulk-upload-area .file-info {
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* ============================================
   Section spacing
   ============================================ */

.section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title h2 {
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Category Subnav (Portfolio)
   ============================================ */

.category-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.category-subnav a {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text);
    transition: all var(--transition);
}

.category-subnav a:hover,
.category-subnav a.active {
    background: var(--blue-500);
    border-color: var(--blue-500);
    color: var(--white);
}

/* ============================================
   Alert / Messages
   ============================================ */

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ============================================
   Login Page
   ============================================ */

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    padding: 2rem;
}

.login-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 0.25rem;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .header-center {
        flex: 1;
        justify-content: space-between;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--blue-900);
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0.25rem;
    }

    .main-nav a {
        display: block;
        padding: 0.75rem 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .page-hero {
        padding: 2.5rem 0;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .admin-form .form-row {
        grid-template-columns: 1fr;
    }

    .admin-table {
        display: block;
        overflow-x: auto;
    }

    .divisions-grid {
        grid-template-columns: 1fr;
    }

    .bulk-upload-area {
        padding: 2rem 1rem;
    }
}

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

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}