/**
 * Renova Luxury Design System
 * ===========================
 * Extracted from checkout page aesthetic for site-wide consistency.
 * This file provides reusable classes for the high-end, minimal design language.
 */

/* ===========================
   1. CSS CUSTOM PROPERTIES
   =========================== */
:root {
    /* Primary Colors */
    --color-primary: #111827;
    --color-primary-hover: #000000;
    --color-primary-light: #374151;
    --color-primary-bg: #f8fafc;
    --color-primary-subtle: rgba(17, 24, 39, 0.05);

    /* Neutral Colors */
    --color-black: #0f172a;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;

    /* Background Colors */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-subtle: #fafafa;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', 'Outfit', system-ui, -apple-system, sans-serif;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-emerald: 0 4px 14px rgba(5, 150, 105, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   2. TYPOGRAPHY
   =========================== */

/* Serif Heading - for titles and important headings */
.serif-heading,
.lux-heading {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--color-black);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.lux-heading-lg {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--color-black);
    line-height: 1.2;
}

.lux-heading-md {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-black);
}

.lux-heading-sm {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-black);
}

/* Section Title - uppercase with tracking */
.lux-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gray-400);
}

/* Label Text - for form labels and small text */
.lux-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gray-500);
}

/* Body Text */
.lux-body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-600);
}

.lux-body-sm {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-gray-500);
}

/* Price Text */
.lux-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-black);
}

.lux-price-lg {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-black);
}

.lux-price-strikethrough {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    text-decoration: line-through;
}

/* Eco/Credit Price */
.lux-price-eco {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ===========================
   3. FORM INPUTS (Luxury Style)
   =========================== */

.luxury-input {
    width: 100%;
    height: 3rem;
    padding: 0 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.luxury-input::placeholder {
    color: var(--color-gray-400);
}

.luxury-input:hover {
    border-color: var(--color-gray-300);
}

.luxury-input:focus {
    border-color: var(--color-black);
    box-shadow: 0 0 0 1px var(--color-black);
}

.luxury-input:focus.luxury-input--emerald {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

/* Larger input variant */
.luxury-input-lg {
    height: 3.5rem;
    padding: 0 1.25rem;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

/* Rounded input variant */
.luxury-input-rounded {
    border-radius: var(--radius-lg);
}

/* Input group container */
.luxury-input-group {
    position: relative;
}

.luxury-input-group .error-message {
    font-size: 0.6875rem;
    color: #ef4444;
    margin-top: 0.25rem;
    padding-left: 0.25rem;
}

/* Textarea */
.luxury-textarea {
    width: 100%;
    min-height: 6rem;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    outline: none;
    resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.luxury-textarea:focus {
    border-color: var(--color-black);
    box-shadow: 0 0 0 1px var(--color-black);
}

/* Select */
.luxury-select {
    width: 100%;
    height: 3rem;
    padding: 0 2.5rem 0 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=utf-8,%3Csvg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 20 20"%3E%3Cpath stroke="%236b7280" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="m6 8 4 4 4-4"/%3E%3C/svg%3E');
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25em;
    transition: border-color var(--transition-fast);
}

.luxury-select:focus {
    border-color: var(--color-black);
    box-shadow: 0 0 0 1px var(--color-black);
}

/* ===========================
   4. BUTTONS
   =========================== */

/* Base button reset */
.lux-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

/* Primary Button - Black */
.lux-btn-primary {
    height: 3.5rem;
    padding: 0 2rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background: var(--color-black);
    border-radius: var(--radius-sm);
}

.lux-btn-primary:hover {
    background: var(--color-gray-800);
}

.lux-btn-primary:active {
    transform: scale(0.99);
}

/* Large Primary Button */
.lux-btn-primary-lg {
    height: 3.75rem;
    padding: 0 2.5rem;
    font-size: 1rem;
    letter-spacing: 0.15em;
}

/* Emerald Button */
.lux-btn-emerald {
    height: 3.5rem;
    padding: 0 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-primary);
    border-radius: var(--radius-md);
}

.lux-btn-emerald:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-emerald);
}

/* Secondary/Outline Button */
.lux-btn-outline {
    height: 3rem;
    padding: 0 1.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700);
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
}

.lux-btn-outline:hover {
    border-color: var(--color-gray-400);
    background: var(--color-gray-50);
}

/* Ghost Button */
.lux-btn-ghost {
    height: 2.5rem;
    padding: 0 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: transparent;
    border-radius: var(--radius-sm);
}

.lux-btn-ghost:hover {
    color: var(--color-black);
    background: var(--color-gray-100);
}

/* Link Button */
.lux-btn-link {
    padding: 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.lux-btn-link:hover {
    color: var(--color-primary-hover);
}

/* Icon Button */
.lux-btn-icon {
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    font-size: 1rem;
    color: var(--color-gray-500);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

.lux-btn-icon:hover {
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

/* ===========================
   5. CARDS
   =========================== */

.lux-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
}

.lux-card-elevated {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.lux-card-interactive {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-smooth);
    cursor: pointer;
}

.lux-card-interactive:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-200);
}

/* Product Card */
.lux-product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.lux-product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    border-color: var(--color-gray-200);
}

.lux-product-card__image {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--bg-subtle);
}

.lux-product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.lux-product-card:hover .lux-product-card__image img {
    transform: scale(1.03);
}

.lux-product-card__body {
    padding: 1rem;
}

.lux-product-card__title {
    font-family: var(--font-serif);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-black);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.lux-product-card__price {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ===========================
   6. BADGES
   =========================== */

.lux-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.lux-badge-emerald {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.lux-badge-gray {
    color: var(--color-gray-600);
    background: var(--color-gray-100);
}

.lux-badge-black {
    color: var(--color-white);
    background: var(--color-black);
}

/* Trade-in Badge */
.lux-trade-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #15803d;
    background: #f0fdf4;
    border: 1px solid rgba(21, 128, 61, 0.1);
    border-radius: var(--radius-full);
}

/* ===========================
   7. DIVIDERS & SEPARATORS
   =========================== */

.lux-divider {
    width: 100%;
    height: 1px;
    background: var(--color-gray-100);
    border: none;
    margin: var(--space-6) 0;
}

.lux-divider-subtle {
    background: var(--color-gray-50);
}

/* OR Divider */
.lux-divider-or {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: var(--space-4) 0;
}

.lux-divider-or::before,
.lux-divider-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray-100);
}

.lux-divider-or span {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray-300);
}

/* ===========================
   8. CONTAINERS & LAYOUTS
   =========================== */

.lux-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.lux-container-sm {
    max-width: 640px;
}

.lux-container-md {
    max-width: 768px;
}

.lux-container-lg {
    max-width: 1024px;
}

.lux-container-xl {
    max-width: 1280px;
}

/* Section spacing */
.lux-section {
    padding: var(--space-16) 0;
}

.lux-section-sm {
    padding: var(--space-8) 0;
}

/* ===========================
   9. UTILITY CLASSES
   =========================== */

/* Text Colors */
.text-luxury-primary {
    color: var(--color-primary);
}

.text-luxury-black {
    color: var(--color-black);
}

.text-luxury-muted {
    color: var(--color-gray-500);
}

.text-luxury-subtle {
    color: var(--color-gray-400);
}

/* Background Colors */
.bg-luxury-page {
    background: var(--bg-page);
}

.bg-luxury-card {
    background: var(--bg-card);
}

.bg-luxury-subtle {
    background: var(--bg-subtle);
}

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

/* Spacing utilities */
.lux-mt-4 {
    margin-top: var(--space-4);
}

.lux-mt-6 {
    margin-top: var(--space-6);
}

.lux-mt-8 {
    margin-top: var(--space-8);
}

.lux-mb-4 {
    margin-bottom: var(--space-4);
}

.lux-mb-6 {
    margin-bottom: var(--space-6);
}

.lux-mb-8 {
    margin-bottom: var(--space-8);
}

.lux-py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.lux-py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

/* Animation utilities */
.lux-transition {
    transition: all var(--transition-base);
}

.lux-transition-smooth {
    transition: all var(--transition-smooth);
}

/* ===========================
   10. ACCORDION (Checkout Style)
   =========================== */

.lux-accordion {
    border-top: 1px solid var(--color-gray-200);
}

.lux-accordion-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.lux-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.5rem 0;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-black);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}

.lux-accordion-header:focus {
    outline: none;
}

.lux-accordion-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-gray-400);
    transition: transform var(--transition-base);
}

.lux-accordion-item.active .lux-accordion-icon {
    transform: rotate(45deg);
}

.lux-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.lux-accordion-item.active .lux-accordion-content {
    max-height: 800px;
    padding-bottom: 1.5rem;
}

/* ===========================
   11. ANIMATIONS
   =========================== */

@keyframes lux-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes lux-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.animate-lux-fade-in {
    animation: lux-fade-in 0.4s ease-out forwards;
}

.animate-lux-slide-up {
    animation: lux-slide-up 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ===========================
   12. RESPONSIVE ADJUSTMENTS
   =========================== */

@media (max-width: 768px) {
    :root {
        --space-16: 3rem;
    }

    .lux-heading-lg {
        font-size: 1.75rem;
    }

    .lux-heading-md {
        font-size: 1.25rem;
    }

    .lux-btn-primary,
    .lux-btn-emerald {
        height: 3rem;
        font-size: 0.8125rem;
    }

    .lux-container {
        padding: 0 1rem;
    }

    .lux-section {
        padding: var(--space-12) 0;
    }
}

/* ===========================
   13. FOCUS STATES (Accessibility)
   =========================== */

.lux-btn:focus-visible,
.luxury-input:focus-visible,
.luxury-select:focus-visible {
    outline: 2px solid var(--color-black);
    outline-offset: 2px;
}

/* ===========================
   14. PRINT STYLES
   =========================== */

@media print {

    .lux-btn,
    .lux-card-interactive:hover {
        box-shadow: none;
        transform: none;
    }
}