@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Colors */
    --primary: #0F172A;
    --secondary: #1E293B;
    --accent: #F97316;
    --accent-hover: #EA580C;
    --text-main: #E2E8F0;
    --text-muted: #94A3B8;
    --white: #FFFFFF;
    --black: #020617;
    
    /* Shadows & Radii */
    --radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.grid {
    display: grid;
    gap: 30px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

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

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

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

/* Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

header.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
}

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

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

/* Footer */
footer {
    background-color: var(--black);
    padding: 60px 0 20px;
    color: var(--text-muted);
}

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

.footer-info h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

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

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

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--secondary);
    display: flex;
    z-index: 1001;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
}

.mobile-sticky-bar a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
}

.mobile-sticky-bar a i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.mobile-sticky-bar a.call-btn {
    background-color: var(--accent);
}

.mobile-sticky-bar a.whatsapp-btn {
    background-color: #25D366;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--secondary);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        gap: 20px;
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

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

    .mobile-sticky-bar {
        display: flex;
    }
    
    .section {
        padding: 50px 0;
    }

    .whatsapp-float {
        bottom: 80px; /* Offset for sticky bar */
    }
    
    body {
        padding-bottom: 60px; /* Padding for sticky bar */
    }
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: url('../images/hero.webp') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4));
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 20px;
    color: var(--white);
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header h2 span {
    color: var(--accent);
}

.underline {
    width: 80px;
    height: 4px;
    background-color: var(--accent);
    margin: 0 auto;
    border-radius: 2px;
}

/* Service Cards */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service-card {
    background-color: var(--secondary);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background-color: #243147;
}

.service-card i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 25px;
}

.service-card h3 {
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Project Cards */
.projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.project-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 300px;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

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

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.center-btn {
    text-align: center;
    margin-top: 50px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), 
                url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&q=80&w=2000') center/cover fixed;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Fixes */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }

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

/* Page Header */
.page-header {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), 
                url('../images/hero.webp') center/cover no-repeat;
    padding: 150px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 10px;
}

.page-header h1 span {
    color: var(--accent);
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Services Detailed */
.service-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.service-row.reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.service-row:hover .service-image img {
    transform: scale(1.05);
}

.service-text {
    flex: 1;
}

.service-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

.service-text p {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.service-features {
    margin-bottom: 30px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    color: var(--text-main);
    font-weight: 500;
}

.service-features i {
    color: var(--accent);
}

/* Responsive Services */
@media (max-width: 992px) {
    .service-row, .service-row.reverse {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }
    
    .service-image {
        width: 100%;
    }
    
    .service-image img {
        height: 300px;
    }
}

/* Project Filters */
.filter-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background-color: var(--secondary);
    border: none;
    border-radius: 30px;
    color: var(--text-main);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-item {
    transition: var(--transition);
}

.filter-item.hide {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.filter-item.show {
    animation: fadeIn 0.4s ease forwards;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    aspect-ratio: 1/1;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.gallery-item:hover img {
    filter: brightness(1.1);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 6, 23, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 40px;
}

.lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease;
}

.close-lightbox {
    position: absolute;
    top: 30px;
    right: 40px;
    color: var(--white);
    font-size: 3rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-lightbox:hover {
    color: var(--accent);
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
    
    .lightbox {
        padding: 20px;
    }
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info-panel h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info-panel h2 span {
    color: var(--accent);
}

.contact-info-panel p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--secondary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--white);
    margin-bottom: 5px;
}

.contact-item p {
    margin-bottom: 0;
}

/* Contact Form */
.contact-form-panel {
    background-color: var(--secondary);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-main);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--primary);
    border: 1px solid #2D3748;
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.2);
}

.contact-form-panel .btn {
    width: 100%;
}

/* Map Section */
.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

/* Responsive Contact */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}