/* ===================================
   GLOBAL STYLES & VARIABLES
   =================================== */
:root {
    --primary-green: #1a5e3b;
    --secondary-green: #267d4d;
    --primary-red: #c41e3a;
    --secondary-red: #dc143c;
    --dark-black: #1a1a1a;
    --light-black: #2d2d2d;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --text-gray: #666666;
    --texas-gold: #ffc72c;
    
    --max-width: 1400px;
    --section-padding: 100px 20px;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--dark-black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding);
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-black);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.75rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Oswald', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--secondary-red));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-block {
    width: 100%;
    text-align: center;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.navbar.scrolled .logo {
    height: 60px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--dark-black);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    font-family: 'Oswald', sans-serif;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-red));
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

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

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-black) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255, 255, 255, 0.03) 10px,
            rgba(255, 255, 255, 0.03) 20px
        );
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 4.5rem;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--texas-gold);
    margin-bottom: 25px;
    font-weight: 500;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    text-decoration: none;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-7px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s backwards;
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    color: var(--dark-black);
    margin-bottom: 15px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-red));
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 20px auto 0;
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid var(--primary-green);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary-red);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-green);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--primary-red);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.75rem;
    margin-bottom: 15px;
    color: var(--dark-black);
}

.service-card > p {
    color: var(--text-gray);
    margin-bottom: 25px;
    font-size: 1rem;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-gray);
    border-bottom: 1px solid var(--medium-gray);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.about-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-red);
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--dark-black);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    padding: 40px 20px;
    border-radius: 8px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    font-family: 'Oswald', sans-serif;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ===================================
   PORTFOLIO SECTION
   =================================== */
.portfolio {
    background: var(--light-gray);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.portfolio-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    height: 250px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-red));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-content {
    padding: 30px;
}

.portfolio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark-black);
}

.portfolio-content p {
    color: var(--text-gray);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 25px;
    background: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--primary-green);
    color: var(--white);
}

.contact-item:hover h4,
.contact-item:hover p {
    color: var(--white);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-red);
    flex-shrink: 0;
}

.contact-item:hover i {
    color: var(--texas-gold);
}

.contact-item h4 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 1rem;
}

.contact-form-container {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 25px;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--medium-gray);
    border-radius: 4px;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    transition: var(--transition);
    background: var(--white);
}

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

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark-black);
    color: var(--white);
    padding: 60px 20px 20px;
}

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

.footer-section h4 {
    color: var(--texas-gold);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-logo {
    height: 100px;
    width: auto;
    margin-bottom: 20px;
}

.footer-description {
    color: var(--medium-gray);
    line-height: 1.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--medium-gray);
}

.footer-contact i {
    color: var(--primary-green);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--light-black);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--light-black);
    color: var(--medium-gray);
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-green);
    transform: translateY(-3px);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        max-height: 500px;
        padding: 20px 0;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 15px 0;
        border-bottom: 1px solid var(--medium-gray);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        margin: 0 auto 20px;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 120px 20px 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .logo {
        height: 60px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    section {
        padding: 60px 15px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
}