/**
 * ZENZ CHOCO - Global Core Stylesheet
 * File: /public_html/assets/css/style.css
 * 
 * Foundational CSS architecture: design tokens, custom reset, typography,
 * base HTML elements, layout scaffolding, buttons, forms, header, footer,
 * flash notifications, and essential accessible utilities.
 */

/* ==========================================================================
   1. Design Tokens & CSS Custom Properties
   ========================================================================== */
:root {
    /* Color Palette - Premium Chocolate, Warm Gold & Ivory */
    --color-primary: #2B1712;         /* Deep Rich Cocoa */
    --color-primary-dark: #1E0F0C;    /* Roasted Espresso */
    --color-primary-light: #442720;   /* Velvety Milk Cocoa */
    --color-primary-rgb: 43, 23, 18;

    --color-secondary: #C5A059;       /* Warm Polished Gold */
    --color-secondary-dark: #A37E3A;  /* Deep Antique Bronze Gold */
    --color-secondary-light: #DFC488; /* Soft Pale Champagne Gold */
    --color-secondary-rgb: 197, 160, 89;

    --color-bg: #FAF7F2;              /* Warm Cream / Ivory Background */
    --color-surface: #FFFFFF;         /* Crisp Porcelain White */
    --color-surface-subtle: #F4EFE6;  /* Soft Warm Biscuit */

    --color-text: #231B18;            /* Dark Cocoa Text */
    --color-text-muted: #6B5E59;      /* Warm Cocoa Gray */
    --color-text-light: #968882;      /* Soft Heather Gray */

    --color-border: #E8DFD3;          /* Soft Beige Border */
    --color-border-dark: #D4C6B5;     /* Defined Neutral Border */

    /* Feedback & Functional States */
    --color-success: #2E5A44;
    --color-success-bg: #EAF2ED;
    --color-success-border: #BCD7C7;

    --color-error: #8C2925;
    --color-error-bg: #F9EBEA;
    --color-error-border: #E6BDBB;

    --color-warning: #85591A;
    --color-warning-bg: #FAF3E6;
    --color-warning-border: #E8D3A8;

    --color-info: #2B4E6B;
    --color-info-bg: #EBF3F9;
    --color-info-border: #BDD7E8;

    /* Typography Hierarchy */
    --font-heading: -apple-system, BlinkMacSystemFont, "Playfair Display", "Didot", "Georgia", "Times New Roman", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-md: 1.125rem;    /* 18px */
    --font-size-lg: 1.25rem;     /* 20px */
    --font-size-xl: 1.5rem;      /* 24px */
    --font-size-2xl: 1.875rem;   /* 30px */
    --font-size-3xl: 2.25rem;    /* 36px */
    --font-size-4xl: 2.75rem;    /* 44px */

    --line-height-tight: 1.2;
    --line-height-snug: 1.35;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Container & Layout Constraints */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* Structural Radii & Shadows */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;

    --shadow-subtle: 0 1px 3px rgba(43, 23, 18, 0.05);
    --shadow-card: 0 4px 12px rgba(43, 23, 18, 0.06);
    --shadow-dropdown: 0 8px 24px rgba(43, 23, 18, 0.12);

    /* Animation Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.25s ease-in-out;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. Modern Accessibility-Preserving Reset
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

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

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    background: transparent;
    border: none;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

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

table {
    border-collapse: collapse;
    width: 100%;
}

/* Focus Management */
:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}

/* Accessible Screen Reader Helper */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.visually-hidden.focusable:focus,
.visually-hidden.focusable:focus-visible {
    position: static !important;
    width: auto !important;
    height: auto !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* ==========================================================================
   3. Typography Hierarchy
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-normal);
    color: var(--color-primary);
    line-height: var(--line-height-snug);
    letter-spacing: -0.015em;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); }
h6 { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); }

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==========================================================================
   4. Layout Containers & Sections
   ========================================================================== */
.site-container,
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.site-main-content,
main {
    flex: 1 0 auto;
    width: 100%;
}

.section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.section-sm {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.section-lg {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-10) auto;
}

.section-title {
    margin-bottom: var(--space-2);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   5. Buttons System
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.625rem;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: background-color var(--transition-fast), 
                border-color var(--transition-fast), 
                color var(--transition-fast),
                box-shadow var(--transition-fast);
    user-select: none;
    white-space: nowrap;
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-surface);
}

.btn-secondary,
.btn-gold {
    background-color: var(--color-secondary);
    color: var(--color-primary-dark);
    border-color: var(--color-secondary);
}
.btn-secondary:hover,
.btn-gold:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: var(--color-surface);
}

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

.btn-light {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn-light:hover {
    background-color: var(--color-surface-subtle);
    border-color: var(--color-border-dark);
}

.btn-dark {
    background-color: var(--color-primary-dark);
    color: var(--color-surface);
    border-color: var(--color-primary-dark);
}
.btn-dark:hover {
    background-color: var(--color-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.95rem 2rem;
    font-size: var(--font-size-base);
}

/* ==========================================================================
   6. Form Controls & Validation States
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(var(--color-secondary-rgb), 0.15);
    outline: none;
}

textarea.form-control,
textarea {
    min-height: 110px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-error);
}

/* ==========================================================================
   7. Top Bar & Header Structure
   ========================================================================== */
.site-announcement-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-secondary-light);
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    text-align: center;
    padding: var(--space-2) 0;
}

.announcement-text {
    margin: 0;
    font-weight: var(--font-weight-medium);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: var(--space-4);
}

/* Branding */
.site-branding {
    flex-shrink: 0;
}

.brand-logo-link {
    display: inline-block;
    color: var(--color-primary);
}

.brand-name-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
}

/* Desktop Navigation */
.primary-nav {
    display: flex;
    align-items: center;
}

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: var(--space-2) 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-secondary-dark);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Header Utilities */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.action-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
}

.action-btn:hover {
    color: var(--color-secondary-dark);
}

.action-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Badge Indicators */
.badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 0.6875rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    color: var(--color-surface);
    background-color: var(--color-secondary-dark);
    border-radius: var(--radius-full);
}

/* Mobile Toggle */
.nav-toggle-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    padding: 0;
}

.nav-toggle-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-only {
    display: none;
}

/* ==========================================================================
   8. Flash Notifications
   ========================================================================== */
.flash-messages-container {
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}

.flash-alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0.875rem 1.25rem;
    margin-bottom: var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.flash-close-btn {
    font-size: 1.25rem;
    line-height: 1;
    color: inherit;
    opacity: 0.7;
    padding: 0 var(--space-1);
}

.flash-close-btn:hover {
    opacity: 1;
}

.flash-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.flash-error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error-border);
}

.flash-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.flash-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

/* ==========================================================================
   9. Cards & Badges Foundation
   ========================================================================== */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
    border-color: var(--color-border-dark);
}

.card-bordered {
    border: 1px solid var(--color-border-dark);
}

.card-flat {
    box-shadow: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.04em;
    border-radius: var(--radius-xs);
    background-color: var(--color-surface-subtle);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.badge-gold {
    background-color: var(--color-secondary-light);
    color: var(--color-primary-dark);
    border-color: var(--color-secondary);
}

.badge-primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
    border-color: var(--color-primary);
}

/* ==========================================================================
   10. Footer Section
   ========================================================================== */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-surface-subtle);
    margin-top: auto;
    border-top: 1px solid var(--color-primary-dark);
}

/* Newsletter Band */
.footer-newsletter-section {
    padding: var(--space-10) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.newsletter-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.newsletter-content {
    max-width: 520px;
}

.newsletter-title {
    color: var(--color-surface);
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-2);
}

.newsletter-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.zenz-newsletter-form {
    flex: 1 1 360px;
    max-width: 480px;
}

.newsletter-input-group {
    display: flex;
    gap: var(--space-2);
}

.newsletter-input {
    flex: 1 1 auto;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--color-surface);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.newsletter-input::placeholder {
    color: var(--color-text-light);
}

.newsletter-input:focus {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-secondary);
}

.newsletter-submit-btn {
    padding: 0.75rem 1.25rem;
    background-color: var(--color-secondary);
    color: var(--color-primary-dark);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.newsletter-submit-btn:hover {
    background-color: var(--color-secondary-light);
}

.newsletter-feedback {
    margin-top: var(--space-2);
    font-size: var(--font-size-xs);
}

/* Footer Main Directory */
.footer-main-section {
    padding: var(--space-12) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
    gap: var(--space-8);
}

.footer-brand-title {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary-light);
    margin-bottom: var(--space-4);
}

.footer-brand-desc {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.footer-social-links {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-surface-subtle);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-link:hover {
    color: var(--color-secondary);
}

.footer-heading {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-surface);
    margin-bottom: var(--space-4);
}

.footer-links-list li {
    margin-bottom: var(--space-2);
}

.footer-link {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.footer-link:hover {
    color: var(--color-secondary-light);
}

.footer-address {
    font-style: normal;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.map-link {
    display: inline-block;
    color: var(--color-secondary);
    margin-top: var(--space-1);
}

.footer-direct-contact .contact-entry {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-2);
}

.contact-label {
    color: var(--color-surface-subtle);
    font-weight: var(--font-weight-medium);
    margin-right: var(--space-1);
}

/* Footer Bottom Bar */
.footer-bottom-section {
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.footer-bottom-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer-trust-notes {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-bottom-legal {
    display: flex;
    gap: var(--space-4);
}

.footer-legal-link {
    color: var(--color-text-light);
}

.footer-legal-link:hover {
    color: var(--color-surface);
}

/* ==========================================================================
   11. Essential Lightweight Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.d-none  { display: none !important; }
.d-block { display: block !important; }
.d-flex  { display: flex !important; }

.flex          { display: flex; }
.items-center  { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-full   { width: 100%; }
.mx-auto  { margin-left: auto; margin-right: auto; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

/* ==========================================================================
   12. Reduced Motion Accessibility Override
   ========================================================================== */
@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;
    }
}