/* ============================================
   COLOR VARIABLES
============================================ */
:root {
    --orange: #ed7a00;
    --dark: #333333;
    --medium: #666666;
    --light: #bbbbbb;
    --white: #ffffff;
    --black: #000000;
    --bg-light: #f7f7f7;
    --max-width: 1400px;
}

/* ============================================
   GLOBAL RESET
============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
    color: var(--dark);
    font-size: 18px;
    background: var(--white);
    line-height: 1.6;
}

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

.container {
    width: 92%;
    max-width: var(--max-width);
    margin: auto;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================
   HEADER & NAVIGATION (MEGA MENU)
============================================ */
.header {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid #eaeaea;
    position: sticky;
    top: 0;
    z-index: 999;
}

.logo img {
    height: 55px;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-list > li > a {
    text-decoration: none;
    font-size: 18px;
    color: var(--dark);
    font-weight: 500;
    padding: 8px 4px;
}

.nav-list > li > a:hover {
    color: var(--orange);
}

/* DROPDOWN */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 45px;
    left: 0;
    background: var(--white);
    border: 1px solid var(--light);
    padding: 10px 0;
    width: 260px;
    display: none;
    flex-direction: column;
    z-index: 9999;
    box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

.dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    padding: 12px 20px;
    font-size: 17px;
    color: var(--dark);
    display: block;
    text-decoration: none;
}

.dropdown-menu a:hover {
    background: var(--orange);
    color: var(--white);
}

.dropdown-menu .divider {
    padding: 10px 20px;
    font-size: 14px;
    color: var(--medium);
    text-transform: uppercase;
}

/* ============================================
   BUTTONS
============================================ */
.btn-orange,
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 26px;
    border-radius: 6px;
    font-size: 18px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #c56500;
}

.btn-secondary {
    background: var(--white);
    border: 2px solid var(--orange);
    color: var(--orange);
}

.btn-secondary:hover {
    background: var(--orange);
    color: var(--white);
}

.btn-orange {
    background: var(--orange);
    color: var(--white);
    padding: 10px 18px;
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    height: 620px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.45);
}

.hero-content {
    position: relative;
    max-width: 680px;
}

.hero h1 {
    font-size: 54px;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 22px;
    margin-bottom: 30px;
}

.hero-buttons a {
    margin-right: 15px;
}

/* ============================================
   SERVICES GRID
============================================ */
.services {
    padding: 80px 0;
    text-align: center;
}

.services h2 {
    font-size: 42px;
    margin-bottom: 50px;
    font-weight: 800;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-box {
    background: var(--white);
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-box:hover {
    transform: translateY(-6px);
}

.service-box h3 {
    margin-top: 18px;
    font-size: 24px;
}

.service-box p {
    font-size: 17px;
    margin-top: 12px;
    color: var(--medium);
}

.icon {
    height: 64px;
    margin: auto;
}

/* ============================================
   ROUTES SECTION
============================================ */
.routes {
    background: var(--bg-light);
    padding: 80px 0;
}

.routes h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 50px;
}

.routes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.route-box {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    overflow: hidden;
}

.route-box img {
    height: 220px;
    object-fit: cover;
}

.route-box h3 {
    font-size: 22px;
    margin: 20px;
}

.route-box p {
    margin: 0 20px 20px 20px;
    color: var(--medium);
}

/* ============================================
   INDUSTRIES
============================================ */
.industries {
    padding: 80px 0;
}

.industries h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 40px;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
}

.industry-box {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    text-align: center;
}

.industry-box h3 {
    margin-top: 14px;
    font-size: 20px;
}

/* ============================================
   WHY CHOOSE US
============================================ */
.why {
    background: var(--orange);
    color: var(--white);
    padding: 80px 0;
}

.why h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 40px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.why-box {
    text-align: center;
}

.why-box h3 {
    font-size: 26px;
    margin-bottom: 10px;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-logo {
    height: 55px;
    margin-bottom: 15px;
}

.footer h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 8px;
}

.footer a {
    color: var(--light);
    text-decoration: none;
    font-size: 16px;
}

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

.btn-primary.small {
    padding: 10px 14px;
    font-size: 16px;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
============================================ */
@media (max-width: 1100px) {
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .routes-grid {
        grid-template-columns: 1fr 1fr;
    }
    .service-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 38px;
    }
    .hero {
        height: 520px;
    }
    .industries-grid,
    .routes-grid,
    .service-grid,
    .footer-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    .nav-list {
        display: none; /* mobile menu to be added later */
    }
}