/* ========================================================================
   VAINAVI GOODIES — Design System
   Brand tokens, typography, utilities, animations
   ======================================================================== */

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

/* ---------- CSS Custom Properties (Brand Tokens) ---------- */
:root {
    /* Primary palette — warm amber / gold */
    --color-primary-50:  #FFFBEB;
    --color-primary-100: #FEF3C7;
    --color-primary-200: #FDE68A;
    --color-primary-300: #FCD34D;
    --color-primary-400: #FBBF24;
    --color-primary-500: #F59E0B;
    --color-primary-600: #D97706;
    --color-primary-700: #B45309;
    --color-primary-800: #92400E;
    --color-primary-900: #78350F;

    /* Secondary — rich slate */
    --color-secondary-50:  #F8FAFC;
    --color-secondary-100: #F1F5F9;
    --color-secondary-200: #E2E8F0;
    --color-secondary-300: #CBD5E1;
    --color-secondary-400: #94A3B8;
    --color-secondary-500: #64748B;
    --color-secondary-600: #475569;
    --color-secondary-700: #334155;
    --color-secondary-800: #1E293B;
    --color-secondary-900: #0F172A;

    /* Accent — emerald (success, badges) */
    --color-accent-500: #059669;
    --color-accent-600: #047857;

    /* Neutrals */
    --color-surface:     #FAFAF9;
    --color-surface-alt: #FFFFFF;
    --color-border:      #E7E5E4;
    --color-text:        #1C1917;
    --color-text-muted:  #78716C;
    --color-text-light:  #A8A29E;

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

    /* Spacing scale (rem) */
    --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;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radii */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-2xl:  1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:   0 1px 2px 0 rgba(0,0,0,.05);
    --shadow-md:   0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
    --shadow-xl:   0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
    --shadow-glow: 0 0 20px rgba(217,119,6,.15);

    /* Transitions */
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;

    /* Container */
    --container-max: 1280px;
}

/* ---------- Base Resets & Typography ---------- */
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-secondary-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

/* ---------- Utility Classes ---------- */
.font-display { font-family: var(--font-display); }
.font-body    { font-family: var(--font-body); }

.container-vg {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

/* ---------- Button System ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(217,119,6,0);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary-700);
    border-color: var(--color-primary-300);
}
.btn-secondary:hover {
    background: var(--color-primary-50);
    border-color: var(--color-primary-500);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    border-radius: var(--radius-xl);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Card System ---------- */
.card {
    background: var(--color-surface-alt);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* ---------- Badge ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.025em;
}
.badge-sale {
    background: #FEE2E2;
    color: #991B1B;
}
.badge-new {
    background: var(--color-primary-100);
    color: var(--color-primary-800);
}
.badge-organic {
    background: #D1FAE5;
    color: #065F46;
}

/* ---------- Product Image Hover ---------- */
.product-image-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 1 / 1;
    background: var(--color-secondary-100);
}
.product-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}
.product-image-wrap:hover img {
    transform: scale(1.08);
}

/* Overlay quick-add */
.product-image-wrap .quick-add {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-3);
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-out);
}
.product-image-wrap:hover .quick-add {
    transform: translateY(0);
}

/* ---------- Glassmorphic Header ---------- */
.glass-header {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* ---------- Section Spacing ---------- */
.section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}
.section-lg {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in-up {
    animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}
.animate-fade-in-up-delay-1 { animation-delay: 100ms; }
.animate-fade-in-up-delay-2 { animation-delay: 200ms; }
.animate-fade-in-up-delay-3 { animation-delay: 300ms; }

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, var(--color-secondary-100) 25%, var(--color-secondary-200) 50%, var(--color-secondary-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ---------- Scroll-to-top ---------- */
.scroll-top-btn {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--color-primary-600);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-normal) var(--ease-out);
    cursor: pointer;
    z-index: 40;
}
.scroll-top-btn:hover {
    background: var(--color-primary-700);
    transform: translateY(-2px);
}

/* ---------- Trust Badge Strip ---------- */
.trust-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
    text-align: center;
}
.trust-strip-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
}
.trust-strip-item svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-600);
}
.trust-strip-item span {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-secondary-700);
}

/* ---------- Responsive Helpers ---------- */
@media (min-width: 640px) {
    .container-vg { padding-left: var(--space-6); padding-right: var(--space-6); }
}
@media (min-width: 1024px) {
    .container-vg { padding-left: var(--space-8); padding-right: var(--space-8); }
}