/* ===== CSS Variables ===== */
:root {
    --primary: #0F172A;
    --secondary: #F97316;
    --accent: #EA580C;
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --text: #334155;
    --text-light: #64748B;
    --text-dark: #1E293B;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

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

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 15px;
}

.btn-block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--primary);
    padding: 15px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-main {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: white;
    letter-spacing: -1px;
}

.logo-sub {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.header-cta {
    display: flex;
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, #1E3A5F 100%);
    background-image: url('imgs/hero.jpg');
    background-size: cover;
    background-position: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 60px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badge svg {
    color: var(--secondary);
}

.hero h1 {
    font-size: 56px;
    color: white;
    margin-bottom: 24px;
}

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

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--secondary);
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Section Styling ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    color: var(--secondary);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 40px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-light);
    font-size: 18px;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: var(--surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--background);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: white;
    stroke: white;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ===== Why Choose Us ===== */
.why-us {
    padding: 100px 0;
    background: var(--background);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.why-us-content .section-tag {
    text-align: left;
}

.why-us-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.why-us-content > p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.why-us-list {
    list-style: none;
    margin-bottom: 32px;
}

.why-us-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.why-us-list svg {
    width: 24px;
    height: 24px;
    color: var(--secondary);
    flex-shrink: 0;
}

.why-us-list span {
    font-weight: 500;
}

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

.why-us-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--secondary);
    color: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 800;
}

.exp-text {
    font-size: 14px;
    font-weight: 500;
}

/* ===== Projects Gallery ===== */
.projects {
    padding: 100px 0;
    background: var(--surface);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.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;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay h4 {
    color: white;
    font-size: 20px;
    margin-bottom: 4px;
}

.project-overlay p {
    color: var(--secondary);
    font-size: 14px;
}

/* ===== Reviews Section ===== */
.reviews {
    padding: 100px 0;
    background: var(--primary);
}

.reviews .section-tag,
.reviews .section-header h2,
.reviews .section-header p {
    color: white;
}

.reviews .section-header p {
    opacity: 0.8;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.review-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.review-stars svg {
    width: 20px;
    height: 20px;
    color: #FBBF24;
}

.review-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 20px;
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
}

.author-info strong {
    display: block;
    font-size: 16px;
    color: var(--text-dark);
}

.author-info span {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-img-1 {
    grid-column: 1 / -1;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-img-2 {
    grid-column: 1 / -1;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 200px;
    object-fit: cover;
}

.about-content .section-tag {
    text-align: left;
}

.about-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

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

.about-feature svg {
    width: 40px;
    height: 40px;
    color: var(--secondary);
    flex-shrink: 0;
}

.about-feature strong {
    display: block;
    font-size: 16px;
}

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

/* ===== Service Area ===== */
.service-area {
    padding: 80px 0;
    background: var(--background);
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.area-item {
    background: var(--surface);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.area-item:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--surface);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info .section-tag {
    text-align: left;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--background);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--primary);
}

.contact-method:hover .contact-icon {
    background: var(--secondary);
}

.contact-method:hover div strong,
.contact-method:hover div span {
    color: white;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    stroke: white;
}

.contact-method div strong {
    display: block;
    font-size: 16px;
    color: var(--text-dark);
    transition: var(--transition);
}

.contact-method div span {
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
}

.contact-form-wrapper {
    background: var(--background);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Open Sans', sans-serif;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    margin-top: 8px;
}

.form-note {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 16px;
}

/* ===== Map Section ===== */
.map-section {
    background: var(--primary);
    padding: 4px;
}

.map-section iframe {
    display: block;
    border-radius: var(--radius);
}

/* ===== Footer ===== */
.footer {
    background: var(--primary);
    color: white;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 20px 0;
    font-size: 15px;
}

.footer-license {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-weight: 500;
    font-size: 14px;
}

.footer h4 {
    color: white;
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-links a,
.footer-services a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    padding: 6px 0;
    transition: var(--transition);
}

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

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    margin-bottom: 12px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ===== Mobile Call Button ===== */
.mobile-call-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--secondary);
    color: white;
    padding: 16px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-xl);
    z-index: 999;
}

.mobile-call-btn svg {
    width: 20px;
    height: 20px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 44px;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav a {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .services-grid,
    .projects-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-license {
        justify-content: center;
    }
    
    .mobile-call-btn {
        display: flex;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .experience-badge {
        bottom: -10px;
        left: 10px;
        padding: 16px;
    }
    
    .exp-number {
        font-size: 28px;
    }
}