/* ui-ux-pro-max Guidelines: 
   - Dark mode base with semantic tokens
   - Touch-friendly sizing (>=44px)
   - Proper focus states
   - System fonts & proper line height
   - No layout shift on hover
*/

:root {
    /* Color Palette - Luxury Dark / Marble */
    --color-surface-bg: #121417;
    --color-surface-card: #1E2126;
    --color-surface-elevated: #2A2E35;
    
    --color-text-primary: #F8F9FA;
    --color-text-secondary: #A0AAB2;
    --color-text-muted: #6C7681;
    
    --color-accent: #D4AF37; /* Brass/Gold from Logo */
    --color-accent-hover: #E3C154;
    --color-accent-subtle: rgba(212, 175, 55, 0.15);
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-focus-ring: rgba(212, 175, 55, 0.5);

    /* Typography */
    --font-primary: 'Outfit', system-ui, -apple-system, sans-serif;
    --font-base-size: 16px;
    --line-height-body: 1.6;
    --line-height-heading: 1.2;

    /* Spacing & Layout (8pt grid system) */
    --spacing-1: 0.25rem;  /* 4px */
    --spacing-2: 0.5rem;   /* 8px */
    --spacing-3: 0.75rem;  /* 12px */
    --spacing-4: 1rem;     /* 16px */
    --spacing-6: 1.5rem;   /* 24px */
    --spacing-8: 2rem;     /* 32px */
    --spacing-12: 3rem;    /* 48px */
    --spacing-16: 4rem;    /* 64px */
    --spacing-24: 6rem;    /* 96px */

    /* Radii & Effects */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-subtle: 0 4px 24px rgba(0, 0, 0, 0.2);
    --shadow-elevated: 0 12px 32px rgba(0, 0, 0, 0.4);
    --transition-fast: 150ms ease-out;
    --transition-normal: 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
    
    --container-max: 1200px;
    --navbar-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-base-size);
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-surface-bg);
    color: var(--color-text-primary);
    line-height: var(--line-height-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

/* Focus States (ui-ux-pro-max requirement) */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Viewport utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}
.container-sm {
    max-width: 800px;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

.bg-alt {
    background-color: rgba(0,0,0,0.2);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* Sections */
.section {
    padding: var(--spacing-24) 0;
}
.section-header {
    margin-bottom: var(--spacing-16);
}
.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}
.section-subtitle, .section-lead {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}
.section-lead {
    font-size: 1.25rem;
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-6);
    min-height: 48px; /* Touch target minimum */
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #000;
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-primary);
}
.btn-outline:hover {
    border-color: var(--color-text-secondary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: rgba(18, 20, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-img {
    height: 48px;
    width: auto;
    border-radius: 50%;
    box-shadow: var(--shadow-subtle);
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-secondary);
    min-height: 44px;
    display: flex;
    align-items: center;
}
.nav-link:hover {
    color: var(--color-text-primary);
}

.btn-contact {
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    padding: 0 var(--spacing-4);
    border-radius: var(--radius-sm);
    height: 40px;
}
.btn-contact:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--navbar-height);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 11, 13, 0.95) 0%, rgba(10, 11, 13, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
}

/* Services Grid (Bento style) */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.service-card {
    background: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
    border-color: rgba(212, 175, 55, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* Contacts */
.contact-card {
    background: var(--color-surface-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-12) var(--spacing-8);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-accent);
}

.contact-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-6);
    border: 2px solid var(--color-border);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border-radius: var(--radius-sm);
    background: var(--color-surface-bg);
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

a.contact-item:hover {
    background: var(--color-surface-elevated);
    border-color: var(--color-border);
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Footer */
.footer {
    background: #0a0b0d;
    padding: var(--spacing-12) 0 var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-8);
}

.footer-brand {
    text-align: center;
}
.footer-brand .brand-text {
    display: block;
    margin-bottom: var(--spacing-2);
}
.footer-vat {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
}
.footer-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
}
.footer-links a:hover {
    color: var(--color-text-primary);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-align: center;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        transition: none;
        opacity: 1;
        transform: translateY(0);
    }
    .btn, .service-card {
        transition-duration: 0s;
    }
}

/* Mobile Breakpoints */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--navbar-height);
        left: 0;
        width: 100%;
        background: var(--color-surface-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-6);
        gap: var(--spacing-4);
        box-shadow: var(--shadow-elevated);
    }
    
    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-card {
        padding: var(--spacing-6) var(--spacing-3);
    }
    
    .contact-item {
        padding: var(--spacing-3) var(--spacing-2);
        gap: var(--spacing-3);
    }

    .contact-value {
        font-size: clamp(0.75rem, 4.2vw, 1rem);
        white-space: nowrap;
    }
}