/**
 * ==============================================================================
 * SAAMBROS E-COMMERCE - MASTER DESIGN SYSTEM & CSS TOKENS
 * ==============================================================================
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Brand Color Palette */
    --color-primary: #FF6A00;
    --color-primary-hover: #E85D00;
    --color-primary-light: #FFF3EB;
    --color-primary-border: #FFD4BA;

    --color-dark: #0B0F19;
    --color-dark-secondary: #111827;
    --color-dark-card: #1E293B;

    --color-light-bg: #F8FAFC;
    --color-white: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-dark: #334155;

    --color-text-main: #111827;
    --color-text-muted: #64748B;
    --color-text-light: #94A3B8;
    --color-text-white: #F8FAFC;

    --color-success: #10B981;
    --color-success-bg: #ECFDF5;
    --color-danger: #EF4444;
    --color-danger-bg: #FEF2F2;
    --color-warning: #F59E0B;
    --color-warning-bg: #FFFBEB;
    --color-info: #0284C7;
    --color-info-bg: #F0F9FF;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Shadows & Elevations */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow-primary: 0 8px 24px -4px rgba(255, 106, 0, 0.35);

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --container-max-width: 1280px;
    --header-height: 80px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-light-bg);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

/* Headings & Text */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
}

p {
    margin-bottom: 1rem;
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

/* Grid & Flex Utilities */
.grid {
    display: grid;
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Helpers */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.font-bold { font-weight: 700 !important; }
.font-semibold { font-weight: 600 !important; }

.section-padding {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.section-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.animate-fade-in {
    animation: fadeIn var(--transition-smooth) forwards;
}

.badge-pulse {
    animation: pulse 0.4s ease-in-out;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-3px);
}