/* Palette: Asphalt Grey, Safety Yellow, White */
:root {
    --asphalt: #1A1A1A;
    --yellow: #FFC107;
    --white: #FFFFFF;
    --light-grey: #F5F5F5;
    --border: #E0E0E0;
    --text: #333333;
    
    --font-head: 'Kanit', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

body {
    background-color: var(--white);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 80px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.drive-header { background: var(--asphalt); padding: 15px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 4px solid var(--yellow); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--white); letter-spacing: 1px; position: relative; }
.yellow { color: var(--yellow); }
.stripe { width: 100%; height: 3px; background: repeating-linear-gradient(90deg, var(--yellow), var(--yellow) 10px, transparent 10px, transparent 20px); margin-top: 2px; }

.road-nav a { margin-left: 20px; font-weight: 700; color: #BBB; font-size: 0.85rem; text-transform: uppercase; }
.road-nav a:hover, .road-nav a.active { color: var(--yellow); }

.btn-yellow { background: var(--yellow); color: var(--asphalt) !important; padding: 10px 20px; border-radius: 4px; font-weight: 800; }
.btn-yellow:hover { background: var(--white); }

/* Mobile Menu */
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 25px; height: 3px; background: var(--yellow); }

.mobile-overlay { position: fixed; top: 0; right: -100%; width: 100%; height: 100%; background: var(--asphalt); z-index: 2000; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: 0.4s ease; }
.mobile-overlay.active { right: 0; }
.close-btn { position: absolute; top: 20px; right: 20px; background: none; border: none; font-size: 2.5rem; color: var(--white); cursor: pointer; }
.mobile-overlay a { color: var(--white); font-family: var(--font-head); font-size: 2rem; margin: 15px 0; }

@media (max-width: 900px) {
    .road-nav { display: none; }
    .mobile-toggle { display: flex; }
}

/* Hero */
.hero-road { height: 80vh; background-size: cover; background-position: center; position: relative; }
.dark-gradient { width: 100%; height: 100%; background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, transparent 100%); display: flex; align-items: center; padding: 0 5%; }
.hero-content { max-width: 650px; color: var(--white); }
.top-tag { background: var(--yellow); color: var(--asphalt); padding: 5px 12px; font-weight: 800; font-size: 0.75rem; border-radius: 2px; display: inline-block; margin-bottom: 20px; }
.hero-content h1 { font-family: var(--font-head); font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1; margin-bottom: 20px; }
.hero-content p { font-size: 1.2rem; color: #CCC; margin-bottom: 40px; border-left: 4px solid var(--yellow); padding-left: 20px; }

.btn-group { display: flex; gap: 15px; }
.btn-main { background: var(--yellow); color: var(--asphalt); padding: 15px 35px; font-weight: 800; border-radius: 4px; font-family: var(--font-head); }
.btn-outline-white { border: 2px solid var(--white); color: var(--white); padding: 13px 35px; font-weight: 700; border-radius: 4px; }

/* Services */
.section-title h2 { font-family: var(--font-head); font-size: 2.5rem; font-weight: 800; }
.yellow-line { width: 60px; height: 5px; background: var(--yellow); margin: 15px auto 0; }
.yellow-line.left { margin: 20px 0; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.service-card { background: var(--light-grey); padding: 40px 25px; text-align: center; border-radius: 8px; transition: 0.3s; border-bottom: 4px solid transparent; }
.service-card:hover { border-bottom-color: var(--yellow); transform: translateY(-5px); }
.service-card .icon { font-size: 3.5rem; margin-bottom: 20px; }
.service-card h3 { font-family: var(--font-head); font-size: 1.4rem; margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; color: #666; }

/* Speed Bar */
.speed-bar { background: var(--asphalt); color: var(--white); padding: 30px 0; }
.bar-flex { display: flex; justify-content: space-around; text-align: center; }
.bar-item strong { display: block; font-size: 2.5rem; color: var(--yellow); font-family: var(--font-head); line-height: 1; }
.bar-item span { font-weight: 700; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

/* About & Contact */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.check-list { list-style: none; margin-top: 30px; }
.check-list li { margin-bottom: 10px; font-weight: 700; color: var(--asphalt); }
.about-img img { border-radius: 8px; box-shadow: 15px 15px 0 var(--yellow); }

.contact-box { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background: var(--light-grey); padding: 50px; border-radius: 8px; }
.contact-details .item { margin-top: 30px; }
.contact-details strong { display: block; font-size: 0.8rem; color: #999; margin-bottom: 5px; }

.road-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.road-form input, .road-form select, .road-form textarea { width: 100%; padding: 12px; border: 1px solid #DDD; font-family: var(--font-body); border-radius: 4px; }
.btn-submit { width: 100%; background: var(--asphalt); color: var(--yellow); border: none; padding: 15px; font-weight: 800; cursor: pointer; font-family: var(--font-head); font-size: 1.1rem; }
.btn-submit:hover { background: var(--yellow); color: var(--asphalt); }

/* Testimonials & Legal */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.testi-card { background: var(--white); border: 1px solid #EEE; padding: 30px; border-top: 5px solid #EEE; }
.testi-card.active { border-top-color: var(--yellow); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.stars { color: var(--yellow); margin-bottom: 15px; font-size: 1.2rem; }
.testi-card strong { display: block; margin-top: 20px; font-size: 0.85rem; }

.legal-doc { max-width: 800px; margin: 0 auto; background: var(--light-grey); padding: 50px; border-radius: 8px; }
.legal-doc h1 { font-family: var(--font-head); }
.legal-doc h3 { color: var(--asphalt); margin-top: 30px; font-family: var(--font-head); }

/* Footer */
.drive-footer { background: #111; color: #666; padding: 60px 0 20px; margin-top: 80px; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #222; padding-bottom: 30px; margin-bottom: 20px; }
.f-brand h4 { color: var(--yellow); font-family: var(--font-head); font-size: 1.5rem; margin-bottom: 5px; }
.f-links a { color: #AAA; margin-left: 20px; font-weight: 700; }
.copyright { text-align: center; font-size: 0.8rem; }

/* Cookie */
.cookie-caution { position: fixed; bottom: 20px; left: 20px; background: var(--yellow); color: var(--asphalt); padding: 15px 25px; border-radius: 4px; box-shadow: 0 5px 20px rgba(0,0,0,0.2); display: flex; align-items: center; gap: 20px; z-index: 9999; display: none; }
.cookie-caution.show { display: flex; }
.cookie-caution button { background: var(--asphalt); color: var(--yellow); border: none; padding: 8px 15px; font-weight: 800; cursor: pointer; border-radius: 2px; }

@media (max-width: 900px) {
    .service-grid, .bar-flex, .about-layout, .contact-box, .testi-grid, .road-form .form-row { grid-template-columns: 1fr; }
    .footer-grid { flex-direction: column; text-align: center; gap: 20px; }
    .bar-flex { gap: 30px; }
    .hero-content h1 { font-size: 2.5rem; }
}