/* ============================================
   HAWAII CAR PRICE INDEX — SHARED DESIGN SYSTEM
   ============================================ */

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

/* ── CSS VARIABLES ── */
:root {
    --color-ocean: #0066CC;
    --color-ocean-dark: #004C99;
    --color-ocean-light: #E6F0FA;
    --color-sunset: #FF6B35;
    --color-sunset-dark: #E55A2B;
    --color-palm: #2D8A4E;
    --color-palm-light: #E8F5EC;
    --color-sand: #FFF8F0;
    --color-lava: #CC3333;
    --color-gray-900: #1A1A2E;
    --color-gray-700: #4A4A5A;
    --color-gray-500: #7A7A8A;
    --color-gray-300: #C4C4D0;
    --color-gray-100: #F4F4F8;
    --color-white: #FFFFFF;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-gray-900);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── NAVIGATION ── */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
}
.site-nav .nav-logo {
    font-weight: 800;
    font-size: 20px;
    color: var(--color-ocean);
    text-decoration: none;
}
.site-nav .nav-logo span { color: var(--color-sunset); }
.site-nav .nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.site-nav .nav-links a {
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.site-nav .nav-links a:hover { color: var(--color-ocean); }
.site-nav .nav-cta {
    background: var(--color-sunset) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s;
}
.site-nav .nav-cta:hover { background: var(--color-sunset-dark) !important; }
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger svg { display: block; }

/* ── MOBILE NAV ── */
@media (max-width: 768px) {
    .site-nav .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 16px 24px;
        gap: 12px;
        border-bottom: 1px solid var(--color-gray-100);
        box-shadow: var(--shadow-md);
    }
    .site-nav .nav-links.open { display: flex; }
    .hamburger { display: block; }
    .site-nav .nav-links a { font-size: 16px; padding: 8px 0; }
    .site-nav .nav-cta { text-align: center; display: block; }
}

/* ── PAGE HEADER (for sub-pages) ── */
.page-hero {
    background: linear-gradient(135deg, #001a33 0%, #003366 40%, #004C99 100%);
    padding: 48px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}
.page-hero .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}
.page-hero .breadcrumb {
    font-size: 13px;
    margin-bottom: 16px;
}
.page-hero .breadcrumb a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}
.page-hero .breadcrumb a:hover { color: white; }
.page-hero .breadcrumb span { color: rgba(255,255,255,0.5); margin: 0 8px; }
.page-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 12px;
}
.page-hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* ── CONTENT AREA ── */
.content-wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px;
}
.content-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px;
}

/* ── SECTION HEADERS ── */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-header h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
}
.section-header p {
    font-size: 16px;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ── CARDS ── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.card {
    background: white;
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.card p {
    font-size: 14px;
    color: var(--color-gray-700);
    line-height: 1.6;
}

/* ── TABLES ── */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin: 24px 0;
}
.data-table thead {
    background: var(--color-gray-900);
}
.data-table th {
    color: white;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 16px;
    text-align: left;
}
.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--color-gray-100);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--color-gray-100); }

/* ── BADGES ── */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}
.badge-high { background: #FFE6E6; color: var(--color-lava); }
.badge-med { background: #FFF0E6; color: var(--color-sunset); }
.badge-low { background: var(--color-palm-light); color: var(--color-palm); }

/* ── FAQ ── */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--color-gray-100);
    padding: 0;
}
.faq-q {
    padding: 20px 0;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-q::after {
    content: '+';
    font-size: 20px;
    font-weight: 300;
    color: var(--color-gray-500);
    transition: transform 0.2s;
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-item.open .faq-a { max-height: 500px; }
.faq-a p {
    padding-bottom: 20px;
    font-size: 14px;
    color: var(--color-gray-700);
    line-height: 1.7;
}

/* ── INFO BOX ── */
.info-box {
    background: var(--color-ocean-light);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin: 24px 0;
    border-left: 4px solid var(--color-ocean);
}
.info-box h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-ocean-dark);
    margin-bottom: 6px;
}
.info-box p {
    font-size: 14px;
    color: var(--color-gray-700);
    line-height: 1.6;
}

/* ── CTA BAR ── */
.cta-bar {
    background: linear-gradient(135deg, var(--color-ocean) 0%, var(--color-ocean-dark) 100%);
    padding: 40px 24px;
    text-align: center;
    color: white;
}
.cta-bar h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}
.cta-bar p {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 20px;
}
.cta-bar .cta-form {
    display: flex;
    gap: 8px;
    max-width: 400px;
    margin: 0 auto;
}
.cta-bar input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: rgba(255,255,255,0.1);
    color: white;
}
.cta-bar input::placeholder { color: rgba(255,255,255,0.5); }
.cta-bar input:focus { outline: none; border-color: white; background: rgba(255,255,255,0.15); }
.cta-bar button {
    padding: 14px 28px;
    background: var(--color-sunset);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}
.cta-bar button:hover { background: var(--color-sunset-dark); }
.cta-bar .cta-note {
    font-size: 12px;
    opacity: 0.6;
    margin-top: 10px;
}

/* ── FOOTER ── */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-500);
    padding: 48px 24px 24px;
}
.footer-grid {
    max-width: 1080px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-brand p { font-size: 13px; line-height: 1.6; margin-top: 8px; }
.footer-col h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
    margin-bottom: 12px;
}
.footer-col a {
    display: block;
    font-size: 13px;
    color: var(--color-gray-500);
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.2s;
}
.footer-col a:hover { color: white; }
.footer-bottom {
    max-width: 1080px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom a { color: var(--color-gray-500); text-decoration: none; }
.footer-bottom a:hover { color: white; }

/* ── LINKS ── */
a.text-link {
    color: var(--color-ocean);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}
a.text-link:hover { border-bottom-color: var(--color-ocean); }

/* ── RELATED GUIDES ── */
.related-guides {
    max-width: 800px;
    margin: 48px auto;
    padding: 0 24px;
}
.related-guides h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}
.related-card {
    display: block;
    padding: 16px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-gray-900);
    border: 1px solid transparent;
    transition: border-color 0.2s;
}
.related-card:hover { border-color: var(--color-sunset); }
.related-card strong { display: block; margin-bottom: 4px; }
.related-card span { font-size: 13px; color: var(--color-gray-500); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .card-grid { grid-template-columns: 1fr; }
    .data-table { font-size: 13px; }
    .data-table th, .data-table td { padding: 10px 12px; }
    .cta-bar .cta-form { flex-direction: column; }
    .cta-bar input, .cta-bar button { width: 100%; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 32px 16px; }
    .page-hero h1 { font-size: 26px; }
}