/*
 * Coelho - Premium Footwear Landing Page
 * Main Stylesheet
 * Author: Coelho Team
 * Version: 1.0.0
 */

/* ============================================
   IMPORTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Poppins:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --coelho-gold: #C9A86A;
    --coelho-gold-dark: #a08552;
    --coelho-gold-light: #e5d4b5;
    --coelho-gray: #8B8B8B;
    --coelho-dark: #1a1a1a;
    --coelho-light: #f5f5f0;
    
    /* UI Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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-gold: 0 10px 25px rgba(201, 168, 106, 0.4);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--coelho-light);
    color: var(--coelho-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.hero-title {
    font-family: var(--font-display);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-gold {
    color: var(--coelho-gold);
}

.bg-gold {
    background-color: var(--coelho-gold);
}

.border-gold {
    border-color: var(--coelho-gold);
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
    backdrop-filter: blur(10px);
    background: rgba(26, 26, 26, 0.98);
    border-bottom: 1px solid rgba(201, 168, 106, 0.1);
    transition: all var(--transition-base);
}

nav.scrolled {
    border-bottom: 2px solid rgba(201, 168, 106, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

nav a {
    transition: color var(--transition-base);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    background: linear-gradient(135deg, var(--coelho-gold) 0%, var(--coelho-gold-dark) 100%);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--coelho-gold);
    border: 2px solid var(--coelho-gold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--coelho-gold);
    color: var(--white);
}

/* ============================================
   CARDS
   ============================================ */
.product-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(201, 168, 106, 0.3);
    border-color: var(--coelho-gold);
}

.product-card img {
    transition: transform 0.6s ease;
}

.product-card:hover img {
    transform: scale(1.1);
}

.category-card {
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--coelho-gold);
    box-shadow: 0 10px 30px rgba(201, 168, 106, 0.2);
}

/* ============================================
   PATTERNS & DECORATIONS
   ============================================ */
.bunny-watermark {
    position: absolute;
    opacity: 0.03;
    pointer-events: none;
    filter: grayscale(100%);
}

.pattern-overlay {
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(201, 168, 106, 0.03) 10px, rgba(201, 168, 106, 0.03) 20px);
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--coelho-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--coelho-gold);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--coelho-gold-dark);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus styles */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--coelho-gold);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    nav,
    .btn-primary,
    .btn-secondary,
    footer {
        display: none;
    }
}