/* RESET & VARIABLES */
:root {
    --primary-color: #0a1f3d; /* Dan-Bunkering Navy */
    --accent-color: #8a1538;  /* Dan-Bunkering Red/Bordeaux */
    --text-color: #333;
    --light-bg: #f4f4f4;
    --white: #ffffff;
    --font-main: 'Montserrat', sans-serif;
}

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

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* UTILITY CLASSES */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.small-container { max-width: 800px; }

/* NAVIGATION */
.navbar {
    background: var(--white);
    padding: 15px 0; /* Adjusted padding for logo image */
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

/* LOGO STYLES */
.logo {
    display: flex;
    align-items: center; /* Aligns text vertically with image */
    gap: 15px;           /* Space between image and text */
    text-decoration: none;
}

.logo img {
    height: 50px;        /* Adjust height to fit navbar */
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.2rem;   /* Adjust size of the text */
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
    line-height: 1.2;
    text-transform: uppercase;
}

.logo-text span {
    color: var(--accent-color); /* Makes 'ENERGY TRADING' Red/Bordeaux */
    display: block;             /* OPTIONAL: Remove this line if you want all text on one line */
    font-size: 0.9em;           /* Makes the second line slightly smaller */
}

/* RESPONSIVE TWEAK */
@media (max-width: 480px) {
    .logo-text {
        font-size: 0.9rem; /* Smaller text on mobile phones */
    }
    .logo img {
        height: 40px;
    }
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center; /* Centers items vertically with logo */
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary-color);
    transition: 0.3s;
}

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

.nav-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 0;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: var(--white) !important;
}

/* HERO SECTION */
.hero {
    height: 90vh;
    /* UPDATED: Uses your local hero image */
    background: url('images/hero.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 80px; /* Offset for fixed header */
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Dark gradient overlay so text remains readable on your image */
    background: linear-gradient(to right, rgba(10,31,61,0.9), rgba(10,31,61,0.3));
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h5 {
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 10px;
    color: #ccc;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 40px;
    font-weight: 700;
}

.hero-contact-bar {
    display: flex;
    gap: 40px;
    border-top: 1px solid rgba(255,255,255,0.3);
    padding-top: 20px;
}

.contact-item .label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: #ccc;
    margin-bottom: 5px;
}

.contact-item a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
}

/* INTRO TEXT */
.intro-text {
    padding: 80px 0;
    text-align: center;
}

.intro-text h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.intro-text p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 20px;
}

.text-link {
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* SPLIT SECTIONS (50/50 Layout) */
.split-section {
    display: flex;
    flex-wrap: wrap;
    min-height: 600px;
}

.split-image {
    flex: 1;
    min-width: 400px;
    background-size: cover;
    background-position: center;
}

.split-content {
    flex: 1;
    min-width: 400px;
    background: var(--light-bg);
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Reverse layout for alternating sections */
.split-section.reverse {
    flex-direction: row-reverse;
}
.split-section.reverse .split-content {
    background: var(--white);
}

.split-content h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}

.split-content h4 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.split-content p {
    color: #666;
    margin-bottom: 20px;
    font-size: 1rem;
}

.product-item {
    margin-bottom: 20px;
    border-left: 3px solid var(--accent-color);
    padding-left: 15px;
}

.product-item h5 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 15px 35px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    width: fit-content;
    margin-top: 20px;
}

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

.feature-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}
.feature-list li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* FOOTER */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3, .footer-col h4 {
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p, .footer-col li {
    margin-bottom: 10px;
    color: #ccc;
    font-size: 0.9rem;
}

.footer-col a {
    color: #ccc;
    transition: 0.3s;
}
.footer-col a:hover { color: var(--white); text-decoration: underline; }

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.8rem;
    color: #888;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        cursor: pointer;
    }
    .bar {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        background-color: var(--primary-color);
    }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px; /* Matches new header height */
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        padding: 20px;
        transition: 0.3s;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .nav-menu.active {
        left: 0;
    }
    .hero h1 { font-size: 2.5rem; }
    .hero-contact-bar { flex-direction: column; gap: 20px; }
}