/* ============================================ */
/* Global CSS - Shared Across All Pages */
/* ============================================ */

/* ============================================ */
/* 1. CSS Reset & Base Setup */
/* ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================ */
/* 2. CSS Custom Properties (Variables) */
/* ============================================ */
:root {
    /* Default Light Mode Colors */
    --bg-primary: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --bg-elevated: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-muted: #999999;
    --border-light: #E5E5E5;
    --border-medium: #E5E5E5;
    --accent-primary: #B8860B;
    --accent-wine: #B8860B;
    --accent-secondary: #8B7355;
    --shadow-sm: rgba(0, 0, 0, 0.04);
    --shadow-md: rgba(0, 0, 0, 0.08);
    --shadow-lg: rgba(0, 0, 0, 0.12);

    /* Border Radius Scale */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Spacing Scale (follows 8px grid) */
    --space-xs: 0.25rem;
    /* 4px */
    --space-sm: 0.5rem;
    /* 8px */
    --space-md: 1rem;
    /* 16px */
    --space-lg: 1.5rem;
    /* 24px */
    --space-xl: 2rem;
    /* 32px */
    --space-2xl: 3rem;
    /* 48px */
    --space-3xl: 4rem;
    /* 64px */
    --space-4xl: 5rem;
    /* 80px */

    /* Typography Scale */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 4rem;
    /* 64px */
}

/* Dark Mode Color Overrides */
[data-theme="dark"],
:root:not([data-theme="light"]) {
    --bg-primary: #0A0A0A;
    --bg-secondary: #141414;
    --bg-elevated: #1A1A1A;
    --text-primary: #FAFAFA;
    --text-secondary: #A8A8A8;
    --text-tertiary: #707070;
    --text-muted: #606060;
    --border-light: #2A2A2A;
    --border-medium: #333333;
    --accent-primary: #D4AF37;
    --accent-wine: #D4AF37;
    --accent-secondary: #A0906B;
    --shadow-sm: rgba(0, 0, 0, 0.2);
    --shadow-md: rgba(0, 0, 0, 0.4);
    --shadow-lg: rgba(0, 0, 0, 0.6);
}

/* Auto Dark Mode Detection */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #0A0A0A;
        --bg-secondary: #141414;
        --bg-elevated: #1A1A1A;
        --text-primary: #E5E5E5;
        --text-secondary: #A0A0A0;
        --text-tertiary: #707070;
        --text-muted: #707070;
        --border-light: #2A2A2A;
        --border-medium: #2A2A2A;
        --accent-wine: #D4AF37;
        --shadow-sm: rgba(0, 0, 0, 0.2);
        --shadow-md: rgba(0, 0, 0, 0.4);
        --shadow-lg: rgba(0, 0, 0, 0.6);
    }
}

/* ============================================ */
/* 3. Base Document Styles */
/* ============================================ */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* Prevent transition flash on page load */
html:not([data-theme]) body {
    visibility: hidden;
    opacity: 0;
}

html[data-theme] body {
    visibility: visible;
    opacity: 1;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    transition: background-color 0.4s ease, color 0.4s ease;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Smooth color transitions for all elements */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Disable transitions during theme switch */
.no-transitions * {
    transition: none !important;
    animation-duration: 0s !important;
}

/* Text selection styling */
::selection {
    background: var(--accent-primary);
    color: white;
}

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

/* ============================================ */
/* 4. Layout Components */
/* ============================================ */

/* Main container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
}

/* Menu Toggle Button */
.menu-toggle {
    position: fixed;
    top: var(--space-xl);
    left: var(--space-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px var(--shadow-md);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1001;
}

.menu-toggle:hover {
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--shadow-lg);
}

/* Hamburger Icon */
.menu-icon {
    width: 22px;
    height: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu-line {
    display: block;
    height: 1.5px;
    width: 100%;
    background: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Animated X when menu is open */
.menu-open .menu-toggle .menu-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-open .menu-toggle .menu-line:nth-child(2) {
    opacity: 0;
}

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

/* Navigation Menu Overlay */
.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    overflow-y: auto;
}

.nav-menu.active {
    opacity: 1;
    visibility: visible;
}

/* Navigation Menu Content */
.nav-menu-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.nav-menu-header {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-3xl);
}

.nav-menu-label {
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

/* Navigation Menu Items */
.nav-menu-items {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.nav-menu-item {
    display: flex;
    align-items: center;
    padding: var(--space-xl) 0;
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-30px);
}

/* Stagger animation for menu items */
.nav-menu.active .nav-menu-item {
    opacity: 1;
    transform: translateX(0);
}

.nav-menu.active .nav-menu-item:nth-child(1) {
    transition-delay: 0.1s;
}

.nav-menu.active .nav-menu-item:nth-child(2) {
    transition-delay: 0.15s;
}

.nav-menu.active .nav-menu-item:nth-child(3) {
    transition-delay: 0.2s;
}

.nav-menu.active .nav-menu-item:nth-child(4) {
    transition-delay: 0.25s;
}

.nav-menu.active .nav-menu-item:nth-child(5) {
    transition-delay: 0.3s;
}

.nav-menu.active .nav-menu-item:nth-child(6) {
    transition-delay: 0.35s;
}

/* Hover line effect */
.nav-menu-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-menu-item:hover::before,
.nav-menu-item.active::before {
    transform: scaleX(1);
}

.nav-menu-item:hover {
    padding-left: var(--space-md);
}

.nav-menu-number {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    margin-right: var(--space-2xl);
    letter-spacing: 0.05em;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.nav-menu-text {
    flex: 1;
    font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
    font-weight: 200;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-menu-item:hover .nav-menu-text {
    color: var(--accent-primary);
    letter-spacing: 0.08em;
}

.nav-menu-item.active .nav-menu-text {
    color: var(--accent-primary);
}

.nav-menu-arrow {
    font-size: var(--text-2xl);
    color: var(--accent-primary);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-menu-item:hover .nav-menu-arrow,
.nav-menu-item.active .nav-menu-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Navigation Footer */
.nav-menu-footer {
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    transition-delay: 0.4s;
}

.nav-menu.active .nav-menu-footer {
    opacity: 1;
    transform: translateY(0);
}

.nav-menu-footer p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
}

/* Blur background when menu is open */
.menu-open .container>*:not(.nav-menu):not(.menu-toggle) {
    filter: blur(5px);
    transition: filter 0.5s ease;
}

/* Prevent scroll when menu is open */
.menu-open {
    overflow: hidden;
}

/* ============================================ */
/* 5. Shared Header Styles */
/* ============================================ */

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 var(--space-3xl) 0;
    margin-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.header-content {
    text-align: center;
    width: 100%;
    padding: 0 var(--space-lg);
}

.header h1 {
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 200;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.1;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-base);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
    line-height: 1.4;
}

/* Header actions container */
.header-actions {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    z-index: 1000;
}



/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px var(--shadow-md);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    transform: translateY(-1px) rotate(180deg);
    box-shadow: 0 6px 16px var(--shadow-lg);
}

.theme-icon {
    width: 22px;
    height: 22px;
    color: var(--text-primary);
    fill: var(--text-primary);
    transition: color 0.3s ease, fill 0.3s ease;
}

/* ============================================ */
/* 6. Typography Utilities */
/* ============================================ */
.text-muted {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

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

/* ============================================ */
/* 7. Animations */
/* ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* ============================================ */
/* 8. Responsive Base Styles */
/* ============================================ */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: var(--space-3xl) var(--space-lg);
    }

    .header {
        padding-bottom: var(--space-2xl);
        margin-bottom: var(--space-xl);
    }

    .header h1 {
        font-size: 2.5rem;
    }

    .header-content {
        padding: 0 var(--space-lg);
        text-align: center;
    }

    .header-actions {
        display: none;
    }

    [data-theme="dark"] .header-actions {
        background: rgba(20, 20, 20, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu-toggle {
        width: 44px;
        height: 44px;
        top: var(--space-md);
        left: var(--space-md);
    }

    .nav-menu-content {
        padding: var(--space-3xl) var(--space-lg);
    }

    .nav-menu-text {
        font-size: var(--text-xl);
    }

    .nav-menu-number {
        margin-right: var(--space-lg);
    }

    .nav-menu-item {
        padding: var(--space-lg) 0;
    }

    .theme-toggle {
        width: 44px;
        height: 44px;
        top: var(--space-md);
        right: var(--space-md);
    }

    .theme-icon {
        width: 20px;
        height: 20px;
    }

    .nav-link {
        top: var(--space-md);
        left: var(--space-md);
        padding: 10px 16px;
        font-size: 12px;
    }

    .nav-link:hover {
        background: rgba(0, 0, 0, 0.05);
        transform: none;
        box-shadow: none;
    }

    [data-theme="dark"] .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-link::after {
        content: '→';
        margin-left: 2px;
        font-size: 12px;
    }
}

@media (max-width: 380px) {
    .nav-link {
        font-size: 0;
        padding: 8px 10px;
    }

    .nav-link::after {
        font-size: 16px;
        margin-left: 0;
    }

    .nav-link::before {
        content: '🍸';
        font-size: 16px;
        margin-right: -6px;
    }

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

/* ============================================ */
/* 9. Print Styles */
/* ============================================ */
@media print {

    .header-actions,
    .theme-toggle {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .container {
        max-width: 100%;
    }

    @page {
        margin: 2cm;
    }
}

/* ============================================ */
/* 10. Accessibility Features */
/* ============================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}