/* ============================================
   LEKYN - PREMIUM DARK DESIGN SYSTEM
   Creative Design & Web Engineering Platform
   Strict Brand Charter: #1D1D1B / #2A2A27 / #FABF03
   Geometry Rule: 6px border-radius & subtle box-shadow
   ============================================ */

:root {
    /* === Core Brand Colors === */
    --lekyn-anthracite: #1D1D1B;        /* Main background */
    --lekyn-anthracite-light: #2A2A27;  /* Lighter variant for cards & surfaces */
    --lekyn-anthracite-dark: #141413;   /* Deeper variant for contrast */
    
    --lekyn-gold: #FABF03;              /* Official signature gold */
    --lekyn-gold-muted: #D19E02;        /* Muted gold */
    --lekyn-gold-glow: rgba(250, 191, 3, 0.08);
    
    /* === Text Colors === */
    --lekyn-text-primary: #FFFFFF;      /* Pure white for headings */
    --lekyn-text-secondary: #D1D1CE;    /* Warm light gray for body */
    --lekyn-text-muted: #9A9A95;        /* Muted gray for metadata */
    
    /* === Borders & Dividers === */
    --lekyn-border: #3A3A36;
    --lekyn-border-hover: rgba(250, 191, 3, 0.45);
    
    /* === Subtle Shadows (Strictly Restrained) === */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.14);
    --shadow-lg: 0 4px 10px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 6px 14px rgba(0, 0, 0, 0.18);
    --shadow-gold: 0 2px 8px rgba(0, 0, 0, 0.18);
    
    /* === Typography === */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    
    /* === Spacing === */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 1.75rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3.5rem;
    
    /* === Strict Border Radius Rule (6px everywhere except 100% round elements) === */
    --radius-sm: 6px;
    --radius-md: 6px;
    --radius-lg: 6px;
    --radius-xl: 6px;
    --radius-2xl: 6px;
    --card-radius: 6px;
    
    /* === Transitions === */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   BASE STYLES & STRICT GEOMETRY ENFORCEMENT
   ============================================ */

body {
    background-color: var(--lekyn-anthracite);
    color: var(--lekyn-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enforce 6px border-radius across all non-circular utility classes */
.rounded-md,
.rounded-lg,
.rounded-xl,
.rounded-2xl,
.rounded-3xl {
    border-radius: 6px !important;
}

.rounded-full {
    border-radius: 9999px !important;
}

/* Enforce light, unpronounced box-shadows across utility classes */
.shadow-md,
.shadow-lg,
.shadow-xl,
.shadow-2xl {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16) !important;
}

/* ============================================
   HEADER - CLEAN & MINIMALIST
   ============================================ */

.header-dark {
    background: rgba(29, 29, 27, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--lekyn-border);
}

.nav-link-dark {
    color: var(--lekyn-text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    transition: all var(--transition-base);
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.nav-link-dark:hover {
    color: var(--lekyn-text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link-dark.active {
    color: var(--lekyn-gold);
    background: rgba(250, 191, 3, 0.08);
}

/* ============================================
   BUTTONS - 6PX RADIUS & SUBTLE SHADOW
   ============================================ */

.btn-primary-dark {
    background: var(--lekyn-gold);
    color: var(--lekyn-anthracite);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--lekyn-gold);
    cursor: pointer;
    transition: background-color var(--transition-base), border-color var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary-dark:hover {
    background: #FFC933;
    border-color: #FFC933;
    box-shadow: var(--shadow-md);
}

.btn-secondary-dark {
    background: var(--lekyn-anthracite-light);
    color: var(--lekyn-text-primary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--lekyn-border);
    cursor: pointer;
    transition: border-color var(--transition-base), color var(--transition-base), background-color var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-secondary-dark:hover {
    border-color: var(--lekyn-gold);
    color: var(--lekyn-gold);
}

/* ============================================
   HERO & SECTIONS
   ============================================ */

.hero-dark {
    position: relative;
    min-height: 44vh;
    display: flex;
    align-items: center;
    background: var(--lekyn-anthracite);
    overflow: hidden;
    padding-top: 6rem;
    padding-bottom: 3rem;
}

.hero-title-dark {
    font-size: clamp(2.25rem, 5vw, 4.25rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--lekyn-text-primary);
    letter-spacing: -0.02em;
}

.hero-title-accent {
    color: var(--lekyn-gold);
}

.hero-subtitle-dark {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--lekyn-text-secondary);
    font-weight: 400;
    line-height: 1.6;
}

/* ============================================
   CARDS - 6PX RADIUS & LIGHT SHADOW
   ============================================ */

.card-dark {
    background: var(--lekyn-anthracite-light);
    border: 1px solid var(--lekyn-border);
    border-radius: 6px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card-dark:hover {
    border-color: var(--lekyn-border-hover);
    box-shadow: var(--shadow-md);
}

.card-dark-featured {
    background: var(--lekyn-anthracite-light);
    border: 1px solid rgba(250, 191, 3, 0.45);
    border-radius: 6px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   SECTION DIVIDERS & UTILITIES
   ============================================ */

.section-divider {
    height: 1px;
    background: var(--lekyn-border);
    margin: var(--spacing-2xl) 0;
}

.section-divider-gold {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(250, 191, 3, 0.35), transparent);
    margin: var(--spacing-2xl) 0;
}

.text-primary-dark { color: var(--lekyn-text-primary); }
.text-secondary-dark { color: var(--lekyn-text-secondary); }
.text-muted-dark { color: var(--lekyn-text-muted); }
.text-gold { color: var(--lekyn-gold); }
.bg-anthracite { background-color: var(--lekyn-anthracite); }
.bg-anthracite-light { background-color: var(--lekyn-anthracite-light); }
.border-dark { border-color: var(--lekyn-border); }
.border-gold { border-color: var(--lekyn-gold); }

/* ============================================
   STUDIO GRID & PANELS (6PX RADIUS, SUBTLE)
   ============================================ */

.bg-studio-grid {
    background-color: var(--lekyn-anthracite);
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 56px 56px;
}

.glass-panel-dark {
    background: var(--lekyn-anthracite-light);
    border: 1px solid var(--lekyn-border);
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
}

.glass-panel-gold {
    background: var(--lekyn-anthracite-light);
    border: 1px solid rgba(250, 191, 3, 0.32);
    border-radius: 6px;
    box-shadow: var(--shadow-md);
}

/* Subtle Corner Accents */
.crop-marks {
    position: relative;
}

/* Interactive Browser Chassis (6px radius, macOS dots allowed) */
.device-browser-frame {
    background: #141413;
    border: 1px solid var(--lekyn-border);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition-base);
}

.group:hover .device-browser-frame,
.device-browser-frame:hover {
    border-color: rgba(250, 191, 3, 0.45);
}

.device-browser-topbar {
    background: #22221F;
    border-bottom: 1px solid var(--lekyn-border);
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.device-browser-dots {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

.device-browser-dots span {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 9999px;
}

.device-browser-url {
    background: #141413;
    border: 1px solid var(--lekyn-border);
    border-radius: 6px;
    padding: 0.2rem 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--lekyn-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Smooth Viewport Scroll Preview on Hover */
.device-viewport-scroll {
    position: relative;
    overflow: hidden;
    background: #141413;
}

.device-viewport-scroll img.scrollable-capture {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: object-position 4.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.group:hover .device-viewport-scroll img.scrollable-capture,
.device-viewport-scroll:hover img.scrollable-capture {
    object-position: center bottom;
}

.stage-scroll-container::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.stage-scroll-container::-webkit-scrollbar-track {
    background: #141413;
}

.stage-scroll-container::-webkit-scrollbar-thumb {
    background: rgba(250, 191, 3, 0.35);
    border-radius: 6px;
}