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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #007aff;
    --text-light: #ffffff;
    --text-gray: #b0b0b0;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--primary-color);
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 5%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    position: relative;
}

.nav-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--text-light);
    border-radius: 4px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle span:nth-child(1) {
    top: 8px;
}

.nav-toggle span:nth-child(2) {
    top: 15px;
}

.nav-toggle span:nth-child(3) {
    top: 22px;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.nav-links a:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 5% 5rem;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 1rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.cta-button:focus-visible {
    outline: 2px solid var(--text-light);
    outline-offset: 4px;
}

/* Section Styles */
section {
    padding: 6rem 5%;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-lead {
    color: var(--text-light);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-sublead {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.value {
    background: var(--secondary-color);
}

.value-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.value-item {
    padding: 2rem;
}

.value-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.value-heading {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.value-text {
    color: var(--text-gray);
    line-height: 1.8;
}

/* About Section */
.about {
    background: var(--primary-color);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.highlight {
    background: rgba(0, 122, 255, 0.1);
    padding: 1.5rem;
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
    margin-top: 2rem;
}

.highlight p {
    margin: 0;
    color: var(--text-light);
}

/* Services Section */
.services-intro {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(0, 122, 255, 0.1);
    border: 2px solid rgba(0, 122, 255, 0.3);
    position: relative;
}

.icon-film::before {
    content: '';
    width: 28px;
    height: 20px;
    border: 2.5px solid var(--accent-color);
    border-radius: 2px;
    position: relative;
}

.icon-film::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 7px 0 0 var(--accent-color), 14px 0 0 var(--accent-color);
}

.icon-globe::before {
    content: '';
    width: 26px;
    height: 26px;
    border: 2.5px solid var(--accent-color);
    border-radius: 50%;
    position: relative;
}

.icon-globe::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 2px;
    background: var(--accent-color);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    box-shadow: 0 5px 0 var(--accent-color), 0 -5px 0 var(--accent-color);
}

.icon-camera::before {
    content: '';
    width: 26px;
    height: 18px;
    border: 2.5px solid var(--accent-color);
    border-radius: 3px;
    position: relative;
}

.icon-camera::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border: 2.5px solid var(--accent-color);
    border-radius: 50%;
    top: -7px;
    left: 50%;
    transform: translateX(-50%);
}

.icon-gear::before {
    content: '';
    width: 22px;
    height: 22px;
    border: 2.5px solid var(--accent-color);
    border-radius: 2px;
    position: relative;
    transform: rotate(45deg);
}

.icon-gear::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-rocket::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 18px solid var(--accent-color);
    position: relative;
}

.icon-rocket::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 5px;
    background: var(--accent-color);
    border-radius: 0 0 3px 3px;
}

.icon-color::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 2.5px solid var(--accent-color);
    border-radius: 50%;
    position: relative;
}

.icon-color::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 12px solid var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-database::before {
    content: '';
    width: 24px;
    height: 18px;
    border: 2.5px solid var(--accent-color);
    border-radius: 3px;
    position: relative;
}

.icon-database::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--accent-color);
    top: 6px;
    left: 2px;
    box-shadow: 0 6px 0 var(--accent-color);
}

.icon-lab::before {
    content: '';
    width: 16px;
    height: 20px;
    border: 2.5px solid var(--accent-color);
    border-radius: 0 0 8px 8px;
    position: relative;
}

.icon-lab::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border: 2.5px solid var(--accent-color);
    border-bottom: none;
    border-radius: 50% 50% 0 0;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
}

.icon-layers {
    position: relative;
}

.icon-layers::before {
    content: '';
    width: 20px;
    height: 14px;
    border: 2.5px solid var(--accent-color);
    border-radius: 2px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-layers::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 12px;
    border: 2.5px solid var(--accent-color);
    border-radius: 2px;
    top: calc(50% - 3px);
    left: calc(50% + 1px);
    transform: translate(-50%, -50%);
    z-index: -1;
    box-shadow: -2px 3px 0 0 var(--accent-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Portfolio Section */
.portfolio {
    background: var(--secondary-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
    transition: transform 0.3s;
}

.portfolio-item:hover {
    transform: scale(1.05);
}

.portfolio-item-link {
    position: absolute;
    inset: 0;
    display: block;
    text-decoration: none;
    color: inherit;
}

.portfolio-item-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--secondary-color);
    border-radius: 12px;
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item-icon {
    font-size: 1.2rem;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background: var(--primary-color);
    padding: 2rem 5%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

.footer-tagline {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 5%;
        background: rgba(26, 26, 26, 0.98);
        padding: 1rem 1.5rem;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        gap: 1rem;
    }

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

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

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

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

    section {
        padding: 4rem 5%;
    }

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

/* Skip link - visible on focus for keyboard/screen reader */
.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0.75rem 1.5rem;
    background: var(--accent-color);
    color: var(--text-light);
    font-weight: 600;
    text-decoration: none;
    z-index: 10001;
    transform: translateY(-100%);
    transition: transform 0.2s;
}

.skip-link:focus {
    transform: translateY(0);
    outline: 2px solid var(--text-light);
    outline-offset: 2px;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient);
    color: var(--text-light);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.3s;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.back-to-top:focus-visible {
    outline: 2px solid var(--text-light);
    outline-offset: 4px;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}