/* 
White Sand Construction - Main Stylesheet
Colors:
- Primary Blue: #1e3a8a
- Gold Accent: #d4af37
- Text Dark: #333333
- Text Medium: #666666
- Text Light: #999999
- Background Light: #f8f9fa
*/

/* Base Styles and Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #d4af37;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-light: #f8f9fa;
    --bg-medium: #f1f3f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    font-weight: 700;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

.primary-btn:hover {
    background-color: #15297a;
    color: var(--white);
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 0 auto 1.5rem;
}

.page-section {
    padding: 100px 0 80px;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
}

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

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    position: relative;
    color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.main-nav {
    display: flex;
    align-items: center;
}

/* Hero Slider */
.hero {
    padding-top: 80px;
    position: relative;
}

.hero-slider {
    position: relative;
    overflow: hidden;
}

.hero-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.hero-slide {
    min-width: 100%;
    position: relative;
}

.hero-image {
    height: 600px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    text-align: center;
    max-width: 800px;
    width: 90%;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Welcome Section */
.welcome {
    padding: 80px 0;
}

.welcome-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.welcome-image img {
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.welcome-text h3 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.welcome-text p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
}

.welcome-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 2rem 0;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
}

.stat i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.stat h4 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat p {
    margin-bottom: 0;
    color: var(--text-medium);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 70px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

.footer-about {
    padding-right: 20px;
}

.footer-logo h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

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

.footer-about p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul,
.footer-services ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-services a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--white);
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact ul li i {
    margin-right: 10px;
    flex-shrink: 0;
    margin-top: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 999;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Styles */
@media screen and (max-width: 1024px) {
    .hero-content h2 {
        font-size: 2.5rem;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
        row-gap: 40px;
    }
}

@media screen and (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background: var(--white);
        z-index: 1000;
        transition: var(--transition);
        box-shadow: var(--shadow);
        flex-direction: column;
    }

    .main-nav.active {
        left: 0;
    }

    .nav-links {
        flex-direction: column;
        padding: 20px;
    }

    .nav-links li {
        margin: 0 0 15px 0;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .welcome-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .welcome-stats {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}