/* CSS Custom Properties */
:root {
    --color-primary: #1158a8;
    --color-primary-dark: #0d4a8a;
    --color-accent: #ff4d00;
    --color-text: #1a1a1a;
    --color-text-muted: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-border: #e5e7eb;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1200px;
    --transition: 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    font-weight: 600;
    line-height: 1.2;
}

p {
    margin: 0 0 1rem;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin: 0;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom-color: var(--color-border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo img {
    height: 40px;
    width: auto;
    transition: opacity var(--transition);
}

.logo .logo-white {
    display: block;
}

.logo .logo-dark {
    display: none;
}

.header.scrolled .logo .logo-white {
    display: none;
}

.header.scrolled .logo .logo-dark {
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: #fff;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition);
}

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

.nav a:hover {
    color: rgba(255, 255, 255, 0.7);
}

.header.scrolled .nav a:hover {
    color: var(--color-primary);
}

.nav .btn-primary,
.header.scrolled .nav .btn-primary {
    color: #fff;
}

.nav .btn-primary:hover,
.header.scrolled .nav .btn-primary:hover {
    color: #fff;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #fff;
    transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
}

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

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 100%);
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero .btn-primary {
    background-color: var(--color-accent);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.hero .btn-primary:hover {
    background-color: #e64500;
}

/* Features */
.features {
    padding: 5rem 0;
    background-color: var(--color-bg);
    margin-top: -4rem;
    position: relative;
    z-index: 10;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), #667eea);
    border-radius: 12px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin: 0;
}

/* Services */
.services {
    padding: 5rem 0;
    background-color: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--color-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(17, 88, 168, 0.1);
    border-radius: 10px;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin: 0;
    line-height: 1.7;
}

/* Values */
.values {
    padding: 5rem 0;
    background-color: var(--color-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
}

.value-card {
    text-align: center;
    padding: 1.5rem 1rem;
}

.value-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), #ff7a3d);
    border-radius: 50%;
}

.value-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.value-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

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

/* Work / Portfolio */
.work {
    padding: 5rem 0;
    background-color: var(--color-bg-alt);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.work-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    cursor: pointer;
}

.work-image {
    width: 100%;
    height: 100%;
}

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

.work-card:hover .work-image img {
    transform: scale(1.05);
}

.work-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    transform: translateY(100%);
    transition: transform var(--transition);
}

.work-card:hover .work-info {
    transform: translateY(0);
}

.work-info h3 {
    color: #fff;
    font-size: 0.9375rem;
    margin: 0;
}

/* Testimonials */
.testimonials {
    padding: 5rem 0;
    background-color: var(--color-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--color-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.quote-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.testimonial-content p {
    font-size: 1.0625rem;
    color: var(--color-text);
    font-style: italic;
    margin: 0;
}

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

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: 0.9375rem;
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* About */
.about {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e293b 100%);
    color: #fff;
}

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

.about-text h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

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

.founder {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Contact */
.contact {
    padding: 5rem 0;
    background-color: var(--color-bg-alt);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-item strong {
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.contact-item span {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.contact-form-wrapper {
    background: var(--color-bg);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(17, 88, 168, 0.1);
}

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

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.footer-logo img {
    height: 36px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: #fff;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .work-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav a {
        padding: 0.5rem 0;
    }

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

    .hero p {
        font-size: 1.125rem;
    }

    .section-header h2 {
        font-size: 1.875rem;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem 1.5rem;
    }
}

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

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

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

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#lightbox-image {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.lightbox-info {
    margin-top: 1.5rem;
    text-align: center;
    color: #fff;
}

.lightbox-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

#lightbox-link {
    display: none;
}

#lightbox-link.visible {
    display: inline-flex;
}