/* ========================================
   ALFACORE CONSTRUCTION - MAIN STYLES
   Modern, Professional, Responsive
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #1a365d;
    --primary-dark: #0f2744;
    --primary-light: #2c5282;
    --accent-color: #d4a574;
    --accent-dark: #b8935f;
    --text-dark: #1a202c;
    --text-light: #4a5568;
    --text-muted: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

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

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

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-normal);
    padding: 1rem 0;
}

.header.scrolled {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

.header.scrolled .nav-link {
    color: var(--text-dark);
}

.header.scrolled .logo-text {
    color: var(--primary-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    /* width: 50px; */
    height: 70px;
    /* background: linear-gradient(135deg, var(--primary-color), var(--primary-light)); */
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    /* color: var(--bg-white); */
    /* font-size: 1.5rem;
    font-weight: 700; */
}

.logo-text {
    color: var(--bg-white);
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    color: var(--bg-white);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-cta {
    background: var(--accent-color);
    color: var(--bg-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-dark);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--bg-white);
    transition: var(--transition-normal);
    border-radius: 2px;
}

.header.scrolled .menu-toggle span {
    background: var(--primary-color);
}

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

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.95), rgba(15, 39, 68, 0.9)),
                url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920') center/cover;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 8rem 1.5rem 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(212, 165, 116, 0.2);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.8s ease;
}

.hero h1 {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease 0.8s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--bg-white);
    font-size: 1.5rem;
    opacity: 0.7;
}

/* ========================================
   TRUST BADGES SECTION
   ======================================== */

.trust-badges {
    background: var(--bg-white);
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.trust-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.trust-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.trust-text p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--text-muted);
}

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

.services {
    padding: 6rem 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
}

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

.why-us {
    padding: 6rem 0;
    background: var(--bg-white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-us-content h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.why-us-content > p {
    margin-bottom: 2rem;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.why-feature {
    display: flex;
    gap: 1rem;
}

.why-feature-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.why-feature-text h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.why-feature-text p {
    margin: 0;
    font-size: 0.95rem;
}

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

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

.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--accent-color);
    color: var(--bg-white);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge .years {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.projects {
    padding: 6rem 0;
    background: var(--bg-light);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(26, 54, 93, 0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-overlay h3 {
    color: var(--bg-white);
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: var(--transition-normal) 0.1s;
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    transform: translateY(20px);
    transition: var(--transition-normal) 0.2s;
}

.project-card:hover .project-overlay h3,
.project-card:hover .project-overlay p {
    transform: translateY(0);
}

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

.testimonials {
    padding: 6rem 0;
    background: var(--bg-white);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 6rem;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 2rem;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
    font-weight: 600;
}

.testimonial-info h4 {
    margin: 0;
    color: var(--primary-color);
}

.testimonial-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonial-rating {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* ========================================
   SERVICE AREAS SECTION
   ======================================== */

.service-areas {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-white);
}

.service-areas .section-title h2,
.service-areas .section-title p {
    color: var(--bg-white);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.area-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.area-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.area-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.area-item h4 {
    margin: 0;
    font-size: 1rem;
}

/* ========================================
   FAQ SECTION
   ======================================== */

.faq {
    padding: 6rem 0;
    background: var(--bg-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i {
    transition: var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
}

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

.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    text-align: center;
    color: var(--bg-white);
}

.cta-section h2 {
    color: var(--bg-white);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.25rem;
}

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

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

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

.footer {
    background: var(--primary-dark);
    color: var(--bg-white);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 1.5rem 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

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

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    font-size: 0.875rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Scroll Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .why-us-image {
        order: -1;
    }
    
    .experience-badge {
        left: 20px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 2rem;
        transition: var(--transition-normal);
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        color: var(--text-dark);
        font-size: 1.25rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-contact p {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .service-card,
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}