/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #0a0a0a;
    --color-primary-dark: #000000;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-bg: #fafafa;
    --color-bg-alt: #ffffff;
    --color-border: #e5e5e5;
    --color-white: #ffffff;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --container-max-width: 1100px;
    --header-height: 52px;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    height: var(--header-height);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: -0.01em;
}

/* Navigation */
.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-family: var(--font-body);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-white);
}

.nav-link.active {
    color: var(--color-white);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-white);
}

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

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 1.5px;
    background-color: var(--color-white);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Section */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    letter-spacing: -0.02em;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    background-color: var(--color-primary);
}

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

.hero-image {
    position: absolute;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-1 {
    top: 0;
    left: 0;
    width: 45%;
    height: 100%;
    z-index: 1;
}

.hero-image-2 {
    bottom: 0;
    right: 0;
    width: 50%;
    height: 75%;
    z-index: 2;
}

.hero-image-3 {
    top: 15%;
    right: 8%;
    width: 35%;
    height: 55%;
    z-index: 3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.7) 0%, rgba(10, 10, 10, 0.5) 50%, rgba(10, 10, 10, 0.6) 100%);
    z-index: 4;
}

.hero-content {
    position: relative;
    z-index: 5;
    color: var(--color-white);
    max-width: 650px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--color-white);
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
    letter-spacing: 0.01em;
}

.hero-description {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    line-height: 1.75;
    font-weight: 300;
}

/* Button */
.btn {
    display: inline-block;
    padding: 0.9rem 1.85rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 400;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: rgba(255, 255, 255, 0.92);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: 6px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.service-icon {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.service-description {
    font-family: var(--font-body);
    color: var(--color-text-light);
    font-size: 0.94rem;
    line-height: 1.65;
    font-weight: 300;
}

/* Contact */
.contact-intro {
    text-align: center;
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item h3 {
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-link {
    color: var(--color-text);
    text-decoration: none;
    word-break: break-all;
}

.contact-link:hover,
.contact-link:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

.contact-item p {
    color: var(--color-text);
}

/* Contact form */
.contact-form {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: 6px;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.94rem;
    background-color: var(--color-white);
    transition: border-color 0.2s ease;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: #d1d1d1;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.form-message {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    min-height: 1.4rem;
}

.form-message.success {
    color: var(--color-text);
}

.form-message.error {
    color: #dc2626;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
    font-weight: 300;
}

.footer-domain {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-nav a:focus {
    color: rgba(255, 255, 255, 0.85);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 1px solid var(--color-primary);
    outline-offset: 2px;
}

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

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        font-size: 0.95rem;
    }

    .nav-link.active::after {
        display: none;
    }

    .hero-title {
        font-size: 3.25rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .hero-image-1 {
        width: 100%;
        height: 100%;
        opacity: 0.5;
    }

    .hero-image-2,
    .hero-image-3 {
        display: none;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .contact-form {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --header-height: 48px;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        min-height: 90vh;
    }

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