/* ============================================
   VARIABLES & SETUP
   ============================================ */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --error-color: #ef4444;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-item .nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-item .nav-link:hover,
.nav-item .nav-link.active {
    color: white;
}

.nav-item .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: white;
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    margin-top: 0;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.row.no-gap {
    gap: 0;
}

.col-md-4 {
    grid-column: span 1;
}

.col-md-6 {
    grid-column: span 2;
}

.col-md-8 {
    grid-column: span 2.67;
}

.offset-md-2 {
    margin-left: 16.66%;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1.5rem;
    border-bottom: none;
}

.card-header h2 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 2rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.content-section {
    margin-bottom: 3rem;
}

/* ============================================
   INFORMATION ITEMS
   ============================================ */
.info-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.info-item label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-all;
}

.info-value span {
    flex: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-copy {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

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

/* ============================================
   SEARCH BOX
   ============================================ */
.search-card {
    margin-top: -2rem;
    margin-bottom: 2rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ============================================
   MESSAGES
   ============================================ */
.error-message {
    padding: 1rem;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 8px;
    color: var(--error-color);
    margin-top: 1rem;
    font-weight: 500;
}

.success-message {
    padding: 1rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    border-radius: 8px;
    color: var(--success-color);
    margin-top: 1rem;
    font-weight: 500;
}

/* ============================================
   MAP CONTAINER
   ============================================ */
.map-container {
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    background: #f0f0f0;
}

#map,
#mapLookup {
    width: 100%;
    height: 100%;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    margin: 4rem 0;
}

.services-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

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

.service-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-card .btn {
    margin-top: auto;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    margin: 4rem 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   INFO BOX
   ============================================ */
.info-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.info-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.info-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   LISTS
   ============================================ */
.info-list,
.instructions-list {
    padding-left: 2rem;
    color: var(--text-secondary);
}

.info-list li,
.instructions-list li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.info-list li strong {
    color: var(--text-primary);
}

/* ============================================
   TABLES
   ============================================ */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table tr:nth-child(even) td {
    background-color: rgba(99, 102, 241, 0.02);
}

/* ============================================
   LOCAL IP DISPLAY
   ============================================ */
.local-ip-display {
    display: grid;
    gap: 1.5rem;
}

.local-ip-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.local-ip-item label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.local-ip-value {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--secondary-color);
}

/* ============================================
   LOADING STATE
   ============================================ */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        padding: 1rem;
        gap: 1rem;
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .search-box {
        flex-direction: column;
    }

    .search-input {
        min-width: auto;
    }

    .btn {
        width: 100%;
    }

    .col-md-4,
    .col-md-6,
    .col-md-8 {
        grid-column: span 1 !important;
    }

    .offset-md-2 {
        margin-left: 0;
    }

    .map-container {
        height: 300px;
    }

    .info-value {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-copy {
        align-self: flex-start;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .services-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .info-item {
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }

    .local-ip-value {
        font-size: 1.1rem;
    }

    .row {
        gap: 1rem;
    }
}