/* 
   Semaka Construction Company
   Global Stylesheet
   Pure CSS - No Frameworks
*/

:root {
    /* Brand Colors */
    --primary-color: #fbad18;
    /* Construction Yellow */
    --primary-dark: #e09600;
    --secondary-color: #1a1a1a;
    /* Dark Grey */
    --secondary-light: #333333;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --light-bg: #f4f4f4;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;

    /* Spacing */
    --container-width: 1200px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;

    /* Typography */
    --font-heading: 'Roboto Slab', serif;
    --font-body: 'Montserrat', sans-serif;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

.bg-dark {
    background-color: var(--secondary-color);
    color: var(--white);
}

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

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Header & Navigation */
.header {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.logo span {
    color: var(--white);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding: 5px 10px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--white);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        /* JS will toggle this */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color);
        padding: var(--spacing-md);
        text-align: center;
    }

    .nav-menu.open {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }
}

/* Hero Section */
.hero {
    height: 80vh;
    min-height: 500px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

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

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.copyright {
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}