/* ==========================================
   TERAVEX CONSTRUCTION - Main Stylesheet
   Professional Construction Company Website
   ========================================== */

/* CSS Variables */
:root {
    --primary-color: #F97316;
    --primary-dark: #EA580C;
    --primary-light: #FFEDD5;
    --secondary-color: #1E3A5F;
    --secondary-dark: #0F2744;
    --secondary-light: #2D4A6F;
    --accent-color: #FBBF24;
    --text-dark: #1F2937;
    --text-medium: #4B5563;
    --text-light: #6B7280;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

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

/* Section Headers */
.section-header {
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

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

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

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

.btn-lg {
    padding: 18px 40px;
    font-size: 15px;
}

/* ==========================================
   HEADER STYLES
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.header.scrolled .top-bar {
    display: none;
}

.top-bar {
    background-color: var(--secondary-color);
    padding: 10px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

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

.top-bar-left {
    display: flex;
    gap: 30px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-left i {
    color: var(--primary-color);
}

.top-bar-right {
    display: flex;
    gap: 15px;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: var(--primary-color);
}

.navbar {
    background-color: var(--bg-white);
    padding: 15px 0;
    transition: var(--transition);
}

.header:not(.scrolled) .navbar {
    background-color: rgba(255, 255, 255, 0.98);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 24px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary-color);
    letter-spacing: 1px;
    line-height: 1;
}

.logo-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 3px;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-cta .btn {
    padding: 12px 24px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.95) 0%, rgba(30, 58, 95, 0.7) 100%);
}

.hero-content {
    max-width: 800px;
    color: var(--bg-white);
}

.hero-badge {
    display: inline-block;
    padding: 10px 20px;
    background-color: rgba(249, 115, 22, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 25px;
}

.hero h1 {
    font-size: 60px;
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero h1 .highlight {
    color: var(--primary-color);
}

.hero p {
    font-size: 20px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-top: 10px;
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 250px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 5px solid var(--bg-white);
}

.about-img-secondary img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    top: 30px;
    left: -30px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-white);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.exp-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.about-content .section-subtitle {
    margin-bottom: 15px;
}

.about-content .section-title {
    margin-bottom: 25px;
}

.about-lead {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-content > p {
    margin-bottom: 30px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 35px;
}

.about-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.about-feature .feature-icon {
    color: var(--primary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.about-feature h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.about-feature p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-img img {
    transform: scale(1.1);
}

.service-icon {
    position: absolute;
    bottom: -30px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 24px;
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.service-content {
    padding: 40px 25px 25px;
}

.service-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-content > p {
    font-size: 15px;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-medium);
}

.service-features li i {
    color: var(--primary-color);
    font-size: 12px;
}

/* ==========================================
   MATERIALS SECTION
   ========================================== */

.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.material-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.material-img {
    height: 180px;
    overflow: hidden;
}

.material-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.material-card:hover .material-img img {
    transform: scale(1.05);
}

.material-content {
    padding: 20px;
}

.material-content h3 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.material-content p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.material-tag {
    display: inline-block;
    padding: 5px 12px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.materials-cta {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.materials-cta p {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 20px;
}

/* ==========================================
   WHY CHOOSE US SECTION
   ========================================== */

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-us-content .section-title {
    margin-bottom: 20px;
}

.why-us-content > p {
    margin-bottom: 40px;
}

.why-us-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.why-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.why-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    flex-shrink: 0;
}

.why-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.why-text p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.why-us-image {
    position: relative;
}

.why-us-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.image-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background-color: var(--bg-white);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-lg);
}

.image-badge i {
    font-size: 30px;
    color: var(--primary-color);
}

.image-badge span {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary-color);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.project-card {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 350px;
    cursor: pointer;
}

.project-card.project-large {
    grid-column: span 2;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(30, 58, 95, 0.95) 0%, rgba(30, 58, 95, 0) 60%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0.9;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    background: linear-gradient(to top, rgba(30, 58, 95, 0.98) 0%, rgba(30, 58, 95, 0.5) 100%);
}

.project-content {
    color: var(--bg-white);
    transform: translateY(20px);
    transition: var(--transition);
}

.project-card:hover .project-content {
    transform: translateY(0);
}

.project-category {
    display: inline-block;
    padding: 5px 15px;
    background-color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 15px;
}

.project-content h3 {
    font-size: 22px;
    color: var(--bg-white);
    margin-bottom: 10px;
}

.project-content p {
    font-size: 14px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover .project-content p {
    opacity: 0.9;
    max-height: 100px;
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.testimonial-rating {
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: 16px;
}

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 25px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 16px;
    margin-bottom: 3px;
}

.author-info span {
    font-size: 13px;
    color: var(--text-light);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    position: relative;
    padding: 100px 0;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.95) 0%, rgba(30, 58, 95, 0.95) 100%);
}

.cta-content {
    position: relative;
    z-index: 1;
    color: var(--bg-white);
}

.cta-content h2 {
    font-size: 44px;
    color: var(--bg-white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 28px;
    margin: 0 auto 25px;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.contact-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
}

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    display: block;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background-color: var(--secondary-color);
    color: rgba(255, 255, 255, 0.8);
}

.footer-main {
    padding: 80px 0 50px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

.footer-logo .logo-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.footer-logo .logo-name {
    color: var(--bg-white);
}

.footer-logo .logo-tagline {
    color: var(--primary-color);
}

.footer-about p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary-color);
}

.footer-col h4 {
    font-size: 18px;
    color: var(--bg-white);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

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

.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-contact i {
    color: var(--primary-color);
    font-size: 16px;
    margin-top: 3px;
}

.footer-contact span {
    font-size: 15px;
    line-height: 1.6;
}

.footer-bottom {
    background-color: var(--secondary-dark);
    padding: 25px 0;
}

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

.footer-bottom p {
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ==========================================
   RESPONSIVE STYLES
   ========================================== */

@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .materials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 34px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .about-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-images {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-card.project-large {
        grid-column: span 1;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 20px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .hero h1 {
        font-size: 38px;
    }
    
    .hero p {
        font-size: 17px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .stat-number {
        font-size: 40px;
    }
    
    .about-img-secondary {
        width: 200px;
        right: 0;
        bottom: -20px;
    }
    
    .experience-badge {
        left: 0;
        top: auto;
        bottom: -20px;
    }
    
    .why-us-features {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 13px;
    }
    
    .btn-lg {
        padding: 14px 28px;
    }
    
    .logo-name {
        font-size: 18px;
    }
    
    .logo-tagline {
        font-size: 9px;
        letter-spacing: 2px;
    }
}