/* --- Global Styles & CSS Variables --- */
:root {
    --primary: #1E3A5F;           /* Deep Steel Blue */
    --primary-dark: #132742;      /* Deep Navy */
    --accent: #D97706;            /* Warm Amber Gold */
    --accent-hover: #B45309;      /* Darker Amber Hover */
    --secondary: #64748B;         /* Muted Slate Gray */
    --light-bg: #F8FAFC;          /* Soft Off-White */
    
    --card-bg: #FFFFFF;
    --text-main: #334155;         /* Soft Charcoal */
    --text-on-primary: #FFFFFF;
    --border-color: #CBD5E1;  
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --radius: 8px;
    --shadow: 0 4px 16px rgba(30, 58, 95, 0.08);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: #FFFFFF;
    line-height: 1.7;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 70px 0;
}

.bg-light {
    background-color: var(--light-bg);
}

/* --- Moving/Parallax Chain Background Effect --- */
.chain-bg {
    background: linear-gradient(rgba(20, 39, 66, 0.92), rgba(13, 27, 46, 0.92)), url('chain.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #FFFFFF;
}

.chain-bg h2, .chain-bg h3, .chain-bg .section-title p {
    color: #FFFFFF;
}

.terms-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.terms-card h3 {
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.terms-card p {
    color: var(--text-main);
    font-size: 0.95rem;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--secondary);
    font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
}

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

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

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

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* --- Banner & Header --- */
.top-banner {
    background-color: var(--primary-dark);
    color: #FFFFFF;
    padding: 10px 0;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--accent);
}

.banner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.banner-flex i {
    color: var(--accent);
    margin-right: 5px;
}

.phone-link {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
}

.header {
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo-img {
    height: 120px;
    width: auto;
    max-width: 320px;
    object-fit: contain;
    border-radius: var(--radius);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary);
    line-height: 1.1;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--secondary);
    font-weight: 600;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* --- Hero Section --- */
.hero {
    padding: 60px 0;
    background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.badge-tag {
    display: inline-block;
    background-color: #E2E8F0;
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero-content h1 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 25px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.trust-indicators {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    flex-wrap: wrap;
}

.trust-item i {
    color: var(--accent);
}

.hero-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.card-header h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.checklist {
    list-style: none;
    margin-bottom: 20px;
}

.checklist li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.checklist i {
    color: #10B981;
}

.notice-box {
    background-color: #FEF3C7;
    border-left: 4px solid var(--accent);
    padding: 12px;
    border-radius: 4px;
    display: flex;
    gap: 10px;
    font-size: 0.85rem;
    color: #92400E;
}

.notice-box i {
    color: var(--accent);
    font-size: 1.2rem;
    margin-top: 2px;
}

/* --- Services & Terms --- */
.services-grid, .terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* --- Quote Calculator Styles --- */
.calc-wrapper {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 35px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.calc-header {
    margin-bottom: 30px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 35px;
}

.vehicle-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 10px;
}

.vehicle-option {
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    position: relative;
}

.vehicle-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.option-content i {
    font-size: 1.8rem;
    color: var(--primary);
}

.v-title {
    font-weight: 700;
    font-family: var(--font-heading);
}

.v-desc {
    font-size: 0.75rem;
    color: var(--secondary);
}

.v-price {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: 4px;
}

.vehicle-option.active, .vehicle-option:hover {
    border-color: var(--accent);
    background-color: #FFFBEB;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.range-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.range-container input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}

.number-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 5px 10px;
    background: var(--light-bg);
}

.number-input-wrapper input {
    width: 60px;
    border: none;
    background: transparent;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    outline: none;
}

.help-text {
    display: block;
    margin-top: 8px;
    color: var(--secondary);
    font-size: 0.8rem;
}

/* Quote Display Card */
.quote-display-card {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 25px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.breakdown-list {
    margin: 20px 0;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 15px 0;
}

.breakdown-item.total {
    font-size: 1.2rem;
    color: var(--primary);
}

.breakdown-item.total strong {
    color: var(--accent);
}

.pay-note {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.pay-note i {
    color: var(--accent);
    font-size: 1rem;
}

/* --- Booking Section --- */
.booking-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 35px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

input[type="text"],
input[type="tel"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
}

.policy-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 25px;
    font-size: 0.85rem;
}

.policy-checkbox input {
    margin-top: 4px;
}

/* --- Confirmation Modal --- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow);
}

.modal-icon {
    font-size: 3rem;
    color: #10B981;
    margin-bottom: 15px;
}

.modal-summary {
    text-align: left;
    background: var(--light-bg);
    padding: 15px;
    border-radius: var(--radius);
    margin: 20px 0;
    font-size: 0.9rem;
}

.modal-summary p {
    margin-bottom: 6px;
}

.modal-note {
    font-size: 0.85rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

/* --- Footer --- */
.footer {
    background-color: var(--primary-dark);
    color: #FFFFFF;
    padding: 25px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
    .hero-grid, .calc-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-flex {
        flex-direction: column;
        gap: 15px;
    }
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    .vehicle-selector {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}
/* --- Confirmation Modal Popup --- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    margin: auto;
}

.modal-icon {
    font-size: 3rem;
    color: #10B981;
    margin-bottom: 15px;
}

.modal-summary {
    text-align: left;
    background: #F8FAFC;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    font-size: 0.9rem;
}

.modal-summary p {
    margin-bottom: 6px;
}

.modal-note {
    font-size: 0.85rem;
    color: #64748B;
    margin-bottom: 20px;
}