/* ================================================
   BUILDCORP - PROFESSIONAL CONSTRUCTION WEBSITE
   ================================================ */

/* ===== CSS VARIABLES & COLOR PALETTE ===== */
:root {
    /* Primary Colors */
    --primary: #1e3a5f;
    /* Dark Blue */
    --secondary: #0ea5e9;
    /* Bright Blue (Accent) */

    /* Neutrals */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e0e0e0;
    --dark-gray: #6b7280;
    --text-dark: #1f2937;

    /* Semantic Colors */
    --success: #10b981;
    --error: #ef4444;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

p {
    color: var(--dark-gray);
}

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

a:hover {
    opacity: 0.8;
}

button {
    font-family: 'Poppins', sans-serif;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* ===== NAVIGATION ===== */
.navbar {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--secondary);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

.nav-link.active-nav::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--secondary);
    border-radius: 2px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 4px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        gap: 0;
        padding: var(--spacing-lg) 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-8px, -8px);
    }
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(30, 58, 95, 0.8), rgba(30, 58, 95, 0.8)), url('https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?w=1200&h=600&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 95, 0.4);
}

/* ===== BUTTONS ===== */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

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

.btn-primary:hover {
    background-color: #0284c7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background-color: var(--light-gray);
    padding: 0;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    background-color: var(--white);
    border-color: var(--secondary);
    box-shadow: var(--shadow-xl);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

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

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

.service-card h3 {
    margin: 0 var(--spacing-md) var(--spacing-sm);
    color: var(--primary);
}

.service-card p {
    padding: 0 var(--spacing-md) var(--spacing-sm);
    flex-grow: 1;
}

.service-footer {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

/* ===== WHY CHOOSE US SECTION ===== */
.why-choose-us {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.why-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.why-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.why-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

/* ===== STATS SECTION ===== */
.stats {
    background: linear-gradient(135deg, var(--primary) 0%, #2d5a8c 100%);
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-card {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background-color: var(--secondary);
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(rgba(30, 58, 95, 0.8), rgba(30, 58, 95, 0.8)), url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?w=1200&h=400&fit=crop');
    background-size: cover;
    background-position: center;
    padding: 150px var(--spacing-md) 100px;
    color: var(--white);
    text-align: center;
    margin-top: 70px;
}

.page-header-content h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.page-header-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    color: var(--primary);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

/* ===== VALUES SECTION ===== */
.values-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--light-gray);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.value-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

/* ===== VISION SECTION ===== */
.vision-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--white);
}

.vision-content {
    max-width: 800px;
    margin: 0 auto;
}

.vision-list {
    list-style: none;
    margin-top: var(--spacing-xl);
}

.vision-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--light-gray);
    border-left: 4px solid var(--secondary);
    border-radius: var(--radius-md);
}

/* ===== TEAM SECTION ===== */
.team-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--light-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.team-member {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.team-member h3 {
    color: var(--primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.role {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.team-member p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 0.95rem;
}

/* ===== PROJECTS SECTION ===== */
.projects-filter {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--light-gray);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

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

.projects-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 1;
}

.project-card.hidden {
    display: none;
    opacity: 0;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

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

.project-info {
    padding: var(--spacing-lg);
}

.project-category {
    display: inline-block;
    background-color: var(--secondary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.project-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.project-details {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--medium-gray);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--error);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.form-group.checkbox input {
    width: auto;
    cursor: pointer;
}

.form-group.checkbox label {
    margin-bottom: 0;
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
}

@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--spacing-lg);
    transition: var(--transition);
}

.info-card:hover {
    background-color: var(--secondary);
    color: var(--white);
}

.info-card:hover .info-content p {
    color: var(--white);
}

.info-card:hover .info-content a {
    color: var(--white);
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-content h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.info-card:hover .info-content h3 {
    color: var(--white);
}

.info-content p {
    transition: var(--transition);
}

.info-content a {
    color: var(--secondary);
}

/* ===== MAP SECTION ===== */
.map-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--light-gray);
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--spacing-xl);
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.faq-item {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--secondary);
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-md);
}

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

.footer-section h4 {
    color: var(--secondary);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos="fade-up"] {
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

[data-aos="fade-right"] {
    animation: slideInRight 0.6s ease forwards;
    opacity: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid,
    .why-grid,
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .page-header {
        margin-top: 70px;
        padding: 100px var(--spacing-md) 50px;
    }

    .page-header-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero {
        min-height: 400px;
    }

    .services-grid,
    .why-grid,
    .stats-grid,
    .team-grid,
    .projects-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        gap: var(--spacing-sm);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-form {
        padding: var(--spacing-md);
    }
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1) rotate(5deg);
    color: #FFF;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 28px;
    }
}