@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   CSS Themes & Design Tokens
   ========================================================================== */

:root {
    --transition-speed: 0.3s;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* 1. Platinum Light Theme (Default Light) */
body.theme-platinum-light {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #1e2022;
    --text-secondary: #5a6065;
    --border-color: #d1d8dd;
    --accent-color: #4a5759;
    --accent-hover: #1b2021;
    --shadow-color: rgba(0, 0, 0, 0.04);
    --card-bg: #ffffff;
    --btn-outline-hover: rgba(74, 87, 89, 0.08);
    --badge-bg: #e9ecef;
    --badge-text: #495057;
    --input-focus: rgba(74, 87, 89, 0.15);
}

/* 2. Classic Navy Light Theme */
body.theme-navy-light {
    --bg-primary: #f4f7fa;
    --bg-secondary: #ffffff;
    --text-primary: #0f1c24;
    --text-secondary: #4a5c68;
    --border-color: #dbe2e8;
    --accent-color: #1a365d;
    --accent-hover: #2b6cb0;
    --shadow-color: rgba(26, 54, 93, 0.05);
    --card-bg: #ffffff;
    --btn-outline-hover: rgba(26, 54, 93, 0.08);
    --badge-bg: #e2e8f0;
    --badge-text: #2d3748;
    --input-focus: rgba(26, 54, 93, 0.15);
}

/* 3. Carbon Dark Theme (Default Dark) */
body.theme-carbon-dark {
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border-color: #2c2c2e;
    --accent-color: #abb9c0;
    --accent-hover: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --card-bg: #1c1c1e;
    --btn-outline-hover: rgba(255, 255, 255, 0.08);
    --badge-bg: #2c2c2e;
    --badge-text: #e5e5ea;
    --input-focus: rgba(255, 255, 255, 0.15);
}

/* 4. Steel Blue Dark Theme */
body.theme-steel-blue-dark {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: #1f2937;
    --accent-color: #38bdf8;
    --accent-hover: #e0f2fe;
    --shadow-color: rgba(0, 0, 0, 0.6);
    --card-bg: #1f2937;
    --btn-outline-hover: rgba(56, 189, 248, 0.08);
    --badge-bg: #374151;
    --badge-text: #f3f4f6;
    --input-focus: rgba(56, 189, 248, 0.15);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--accent-hover);
}

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

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-gray {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 100px;
    width: auto;
    /* In dark theme, if the logo text is black, we invert it so it is readable */
    transition: filter var(--transition-speed) ease;
}

body.theme-carbon-dark .logo-img,
body.theme-steel-blue-dark .logo-img {
    filter: invert(1) brightness(0.9);
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

/* Controls (Theme Selector) */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-select-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.theme-select {
    padding: 0.4rem 2rem 0.4rem 0.75rem;
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2523777' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 0.9rem;
    transition: all var(--transition-speed) ease;
}

.theme-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

/* ==========================================================================
   Buttons (Outlined Theme Request)
   ========================================================================== */

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--accent-color);
    border: 1.5px solid var(--accent-color);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-decoration: none;
    outline: none;
}

.btn-outline:hover {
    background-color: var(--btn-outline-hover);
    color: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 10px var(--shadow-color);
    transform: translateY(-1px);
}

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

.btn-outline-accent {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline-accent:hover {
    background-color: var(--accent-color);
    color: var(--bg-secondary) !important;
}

.btn-outline-light {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-width: 1.2px;
}

.btn-outline-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
    border-width: 2px;
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    padding: 8rem 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, var(--btn-outline-hover), transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-logo-box {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3rem;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all var(--transition-speed) ease;
}

.hero-logo-box .logo-img {
    height: 160px;
    width: auto;
}

/* ==========================================================================
   Grid Features / Tractor Cards
   ========================================================================== */

.section-title-wrapper {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px var(--shadow-color);
    border-color: var(--accent-color);
}

.card-img-wrapper {
    position: relative;
    padding-top: 60%; /* 5:3 Aspect Ratio */
    background-color: var(--bg-primary);
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.card-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

.card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--accent-color);
    color: var(--bg-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    background-color: var(--bg-primary);
}

.card-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ==========================================================================
   Parts Catalog Dashboard
   ========================================================================== */

.filter-bar {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 10px var(--shadow-color);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    align-items: center;
}

.search-wrapper {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-speed) ease;
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.1rem;
    height: 1.1rem;
    opacity: 0.5;
}

.select-wrapper select {
    width: 100%;
    padding: 0.75rem 1.5rem 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2523777' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 0.9rem;
    transition: all var(--transition-speed) ease;
}

.select-wrapper select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

/* Numerical Order Parts Table */
.parts-table-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow-x: auto;
    box-shadow: 0 4px 15px var(--shadow-color);
    margin-bottom: 2rem;
}

.parts-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 800px;
}

.parts-table th {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1.15rem 1.5rem;
    border-bottom: 2px solid var(--border-color);
    user-select: none;
}

.parts-table th.sortable {
    cursor: pointer;
}

.parts-table th.sortable:hover {
    color: var(--accent-color);
    background-color: var(--btn-outline-hover);
}

.parts-table th.sortable::after {
    content: ' ↕';
    font-size: 0.75rem;
    opacity: 0.5;
}

.parts-table th.sorted-asc::after {
    content: ' ▲';
    opacity: 1;
    color: var(--accent-color);
}

.parts-table th.sorted-desc::after {
    content: ' ▼';
    opacity: 1;
    color: var(--accent-color);
}

.parts-table td {
    padding: 1.15rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    vertical-align: middle;
    transition: background-color 0.15s ease;
}

.parts-table tr:last-child td {
    border-bottom: none;
}

.parts-table tr:hover td {
    background-color: var(--bg-primary);
}

.part-thumbnail {
    width: 60px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.part-thumbnail:hover {
    transform: scale(1.05);
}

.part-number {
    font-family: monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.part-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    background-color: var(--badge-bg);
    color: var(--badge-text);
}

.part-badge.in-stock {
    background-color: rgba(46, 117, 89, 0.15);
    color: #2e7559;
}

body.theme-carbon-dark .part-badge.in-stock,
body.theme-steel-blue-dark .part-badge.in-stock {
    background-color: rgba(46, 196, 120, 0.15);
    color: #4ed990;
}

.part-badge.low-stock {
    background-color: rgba(224, 134, 0, 0.15);
    color: #b36b00;
}

.part-badge.out-of-stock {
    background-color: rgba(200, 30, 30, 0.1);
    color: #c81e1e;
}

.no-results {
    padding: 3rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==========================================================================
   TractorHouse Frame Embedding
   ========================================================================== */

.iframe-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 6px 20px var(--shadow-color);
}

.iframe-header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.iframe-title-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.live-indicator {
    width: 8px;
    height: 8px;
    background-color: #2e7559;
    border-radius: 50%;
    box-shadow: 0 0 8px #2e7559;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.iframe-container {
    position: relative;
    width: 100%;
    height: 750px;
    background-color: #ffffff;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.iframe-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    text-align: center;
    z-index: 5;
    pointer-events: none; /* Let clicks pass through if iframe does load, but we toggle this via JS if blocked */
}

/* ==========================================================================
   Admin Panel CRUD Styles
   ========================================================================== */

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

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

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.file-upload-input {
    display: none;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

/* ==========================================================================
   Modal/Dialog Windows
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-speed) ease;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-window {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform var(--transition-speed) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.active .modal-window {
    transform: scale(1);
}

.modal-header {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Lightbox for large pictures */
.lightbox-window {
    max-width: 80vw;
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.lightbox-img {
    max-height: 75vh;
    width: auto;
    margin: 0 auto;
    border-radius: 4px;
    border: 4px solid var(--bg-secondary);
    box-shadow: 0 10px 35px rgba(0,0,0,0.5);
}

.lightbox-caption {
    text-align: center;
    color: #ffffff;
    margin-top: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0 1rem 0;
    margin-top: auto;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-info-logo {
    height: 90px;
    width: auto;
    margin-bottom: 1rem;
}

body.theme-carbon-dark footer .footer-info-logo,
body.theme-steel-blue-dark footer .footer-info-logo {
    filter: invert(1) brightness(0.9);
}

.footer-info-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-col-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 2px;
}

.footer-contact-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-title {
        font-size: 2.75rem;
    }
    .btn-group {
        justify-content: center;
    }
    .hero-logo-box {
        max-width: 450px;
        margin: 0 auto;
        padding: 2rem;
    }
    .hero-logo-box .logo-img {
        height: 120px;
    }
    .filter-bar {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        height: auto;
        padding: 1.5rem 1rem;
        gap: 1rem;
    }
    .nav-links {
        gap: 1.25rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .section {
        padding: 3.5rem 0;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* ==========================================================================
   Mobile Navigation Toggle (Hamburger Menu)
   ========================================================================== */

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    z-index: 1001;
}

@media (max-width: 500px) {
    header .container {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        height: var(--header-height) !important;
        padding: 0 1.5rem !important;
        position: relative;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 1.5rem;
        box-shadow: 0 8px 16px var(--shadow-color);
        gap: 1rem;
        z-index: 1000;
        flex-wrap: nowrap !important;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        padding: 0.5rem 0;
        display: block;
    }
    
    .nav-link.active::after {
        bottom: -2px;
    }
}