/* 
    Arkenstone Design - Clone
    Global Styles & Design Tokens
*/

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&family=Manrope:wght@200..800&display=swap');

:root {
    /* Color Palette */
    --color-primary: #c9a84c;
    --color-bg: #0e0c08;
    --color-contrast-higher: hsl(0, 100%, 99%);
    --color-contrast-high: hsl(0, 0%, 81%);
    --color-contrast-medium: hsl(0, 0%, 57%);
    --color-contrast-low: hsl(0, 0%, 22%);
    --color-contrast-lower: hsl(0, 0%, 15%);
    --footer-bg: #13120e;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-secondary: 'Manrope', sans-serif;
    
    /* Spacing System (Modular Scale) */
    --space-sm: 0.44rem;
    --space-md: 0.67rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2.25rem;
    --space-3xl: 3.38rem;
    --space-4xl: 5.06rem;

    /* Base Dimensions */
    --container-width: 1320px;
    --header-height: 90px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --color-bg: #fdfcf9;
    --color-contrast-higher: hsl(0, 0%, 10%);
    --color-contrast-high: hsl(0, 0%, 25%);
    --color-contrast-medium: hsl(0, 0%, 45%);
    --color-contrast-low: hsl(0, 0%, 85%);
    --color-contrast-lower: hsl(0, 0%, 95%);
    --footer-bg: #f4f3ed;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-contrast-high);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--color-contrast-higher);
    line-height: 1.2;
    font-weight: 500;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

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

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

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

ul {
    list-style: none;
}

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

.section {
    padding: var(--space-4xl) 0;
}

.section-padding-large {
    padding: calc(var(--space-4xl) * 2) 0;
}

/* ==========================================================================
   Common Components
   ========================================================================== */
.text-primary {
    color: var(--color-primary);
}

/* Section Label (The small golden text above titles) */
.section-label {
    color: var(--color-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    display: block;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: #d8b85c; /* Slightly lighter gold */
    color: var(--color-bg);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-contrast-low);
    color: var(--color-contrast-higher);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-contrast-low);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   Theme Toggle Floating Button
   ========================================================================== */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-contrast-lower);
    border: 1px solid var(--color-contrast-low);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: all var(--transition-base);
}

[data-theme="light"] .theme-toggle {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.theme-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
    border-color: var(--color-primary);
}

/* ==========================================================================
   Preloader
   ========================================================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-color);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease-out, visibility 0.6s ease-out;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive Viewport Scaling & Overrides
   ========================================================================== */

/* Fluid Containers adjustments */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Ensure images always scale within containers */
img, video {
    max-width: 100%;
    height: auto;
}

@media (max-width: 1024px) {
    /* Tablet padding adjustments */
    .section {
        padding: var(--space-3xl) 0;
    }
    .section-padding-large {
        padding: calc(var(--space-3xl) * 1.5) 0;
    }
    
    /* Adjust grid columns for inline styles */
    [style*="grid-template-columns: 1fr 1fr"] {
        gap: 2rem !important;
    }
}

@media (max-width: 768px) {
    /* Mobile/Small Tablet padding adjustments */
    .section {
        padding: var(--space-2xl) 0;
    }
    .section-padding-large {
        padding: calc(var(--space-2xl) * 1.5) 0;
    }

    /* Convert explicit 2-column inline grids to 1 column */
    [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    /* Override inline flex layouts to stack vertically */
    [style*="display: flex; gap: 3rem"] {
        flex-direction: column !important;
        gap: 1.5rem !important;
        align-items: flex-start !important;
    }

    /* Force auto-fit grids to 1 column on smaller devices to prevent horizontal overflow */
    [style*="minmax(300px"], [style*="minmax(350px"] {
        grid-template-columns: 1fr !important;
    }

    /* Responsive Typography */
    h1 { font-size: clamp(2rem, 8vw, 2.5rem) !important; }
    h2 { font-size: clamp(1.75rem, 6vw, 2rem) !important; }
}

@media (max-width: 480px) {
    /* Mobile padding adjustments */
    .container {
        padding: 0 15px;
    }
    .section {
        padding: var(--space-xl) 0;
    }
    .section-padding-large {
        padding: calc(var(--space-xl) * 1.5) 0;
    }

    /* Reduce inline gap sizes further on mobile */
    [style*="gap: 4rem"] {
        gap: 1.5rem !important;
    }
}