:root {
    --neon-green: #39FF14;
    --neon-green-dark: #2ecc0f;
    --neon-green-light: #7aff5c;
    --black: #1a1a1a;
    --black-light: #f5f5f5;
    --black-dark: #0d0d0d;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #6c757d;
    --gray-600: #495057;
    --gray-800: #343a40;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(57, 255, 20, 0.2);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    font-size: 2rem;
    color: var(--neon-green);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--neon-green);
}

.nav-cta {
    background: var(--neon-green);
    color: var(--black);
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(57, 255, 20, 0.3);
}

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

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: var(--white);
    color: var(--black);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?w=1920&q=80') center/cover no-repeat;
    opacity: 0.25;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 50%, rgba(255,255,255,0.8) 100%);
}

.hero-shapes {
    position: absolute;
    inset: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--neon-green);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--neon-green);
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--neon-green);
    top: 50%;
    left: 50%;
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(57, 255, 20, 0.15);
    border: 1px solid rgba(57, 255, 20, 0.4);
    color: var(--neon-green-dark);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--black);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--black);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(57, 255, 20, 0.3);
}

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

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

.btn-large {
    padding: 20px 40px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    text-align: center;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat {
    background: var(--white);
    border: 2px solid var(--gray-200);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.stat:hover {
    border-color: var(--neon-green);
    transform: translateX(-10px);
    box-shadow: 0 8px 30px rgba(57, 255, 20, 0.15);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--neon-green);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Sections */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid rgba(57, 255, 20, 0.3);
    color: var(--neon-green);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services {
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 40px;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(57, 255, 20, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
}

.service-list li {
    color: var(--gray-600);
    font-size: 0.9rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.service-list li::before {
    content: '→';
    color: var(--neon-green);
    margin-right: 10px;
}

/* Roofing Types */
.roofing-types {
    background: var(--gray-100);
}

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

.type-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 30px;
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.type-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 8px 30px rgba(57, 255, 20, 0.15);
}

.type-card h4 {
    color: var(--neon-green);
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(57, 255, 20, 0.3);
}

.type-card ul {
    list-style: none;
}

.type-card li {
    color: var(--gray-600);
    padding: 8px 0;
    font-size: 0.95rem;
}

.type-card li::before {
    content: '•';
    color: var(--neon-green);
    margin-right: 10px;
}

/* About */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.about-text {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

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

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--neon-green);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.cta-card {
    background: var(--black);
    border: 2px solid var(--neon-green);
    padding: 50px 40px;
    border-radius: 16px;
    text-align: center;
    color: var(--white);
}

.cta-card h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.cta-card p {
    color: var(--gray-300);
    margin-bottom: 30px;
}

.cta-note {
    font-size: 0.9rem;
    margin-top: 16px !important;
    color: var(--gray-300) !important;
}

/* Contact */
.contact {
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.info-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 8px 30px rgba(57, 255, 20, 0.15);
}

.info-icon {
    font-size: 1.5rem;
}

.info-content h4 {
    color: var(--neon-green);
    margin-bottom: 8px;
    font-size: 1rem;
}

.info-content p,
.info-content a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.95rem;
}

.info-content a:hover {
    color: var(--neon-green);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--white);
}

input,
select,
textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    color: var(--black);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.15);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2339FF14' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-color: var(--gray-100);
    cursor: pointer;
}

select option {
    background: var(--white);
    color: var(--black);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-green-dark) 100%);
    padding: 80px 0;
}

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

.cta-content h2 {
    color: var(--black);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--black-light);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-banner .btn-primary {
    background: var(--black);
    color: var(--neon-green);
}

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

/* Footer */
.footer {
    background: var(--black);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(57, 255, 20, 0.3);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--gray-300);
    margin-top: 20px;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--neon-green);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

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

.footer-links a,
.footer-contact a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--neon-green);
}

.footer-contact li {
    color: var(--gray-300);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--gray-300);
    font-size: 0.9rem;
}

/* Gallery */
.gallery {
    background: var(--white);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--gray-200);
    color: var(--gray-600);
    padding: 12px 28px;
    border-radius: 30px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--neon-green);
    color: var(--neon-green-dark);
}

.filter-btn.active {
    background: var(--neon-green);
    border-color: var(--neon-green);
    color: var(--black);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    transition: var(--transition);
}

.gallery-item.hidden {
    display: none;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-category {
    display: inline-block;
    background: var(--neon-green);
    color: var(--black);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
    width: fit-content;
}

.gallery-overlay h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.gallery-overlay p {
    color: var(--gray-200);
    font-size: 0.85rem;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 2001;
    transition: var(--transition);
}

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

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(57, 255, 20, 0.2);
    border: 2px solid var(--neon-green);
    color: var(--white);
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--neon-green);
    color: var(--black);
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        flex-direction: row;
        justify-content: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .types-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .types-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-filters {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 1rem;
    }

    .service-card {
        padding: 30px 24px;
    }

    .contact-form {
        padding: 30px 24px;
    }
}