/* ============================================
   GlamourLash Beauty - Frontend Stylesheet
   Complete, self-contained CSS - No CDN dependency
   ============================================ */

/* === CSS Variables === */
:root {
    --primary: #c8a97e;
    --primary-dark: #a8845a;
    --primary-light: #e8d5b7;
    --accent: #1a1a2e;
    --accent-dark: #0a0a1e;
    --rose: #f4a5b8;
    --rose-dark: #d47a8f;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --green-50: #ecfdf5;
    --green-100: #d1fae5;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --red-50: #fef2f2;
    --red-200: #fecaca;
    --red-500: #ef4444;
    --blue-50: #eff6ff;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-800: #1e40af;
    --sky-500: #0ea5e9;
    --sky-700: #0284c7;
    --yellow-400: #facc15;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow: 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-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 1.875rem;
    --radius-full: 9999px;
    --transition: all 0.3s ease;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* === Typography === */
.font-serif { font-family: 'Cormorant Garamond', 'Georgia', serif; }
h1, h2, h3 { font-family: 'Cormorant Garamond', 'Georgia', serif; font-weight: 700; color: var(--accent); line-height: 1.2; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.leading-relaxed { line-height: 1.75; }
.leading-tight { line-height: 1.25; }
.whitespace-nowrap { white-space: nowrap; }

/* === Colors === */
.bg-white { background-color: var(--white); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-white { color: var(--white); }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-red-500 { color: var(--red-500); }
.text-green-500 { color: var(--green-500); }
.text-green-600 { color: var(--green-600); }
.text-green-700 { color: var(--green-700); }
.text-green-800 { color: var(--green-800); }
.bg-primary { background-color: var(--primary); }
.bg-primary-dark { background-color: var(--primary-dark); }
.bg-accent { background-color: var(--accent); }
.bg-accent-dark { background-color: var(--accent-dark); }
.bg-green-500 { background-color: var(--green-500); }
.bg-green-600 { background-color: var(--green-600); }
.bg-green-50 { background-color: var(--green-50); }
.bg-red-500 { background-color: var(--red-500); }
.bg-red-50 { background-color: var(--red-50); }
.bg-blue-50 { background-color: var(--blue-50); }

/* === Links === */
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:hover { color: var(--primary); }

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.75rem 2rem; border-radius: var(--radius-full); font-weight: 600;
    font-size: 0.875rem; cursor: pointer; border: none; transition: var(--transition);
    text-decoration: none; line-height: 1.5;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: var(--shadow-lg); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-xl); color: var(--white); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-whatsapp { background: var(--green-500); color: var(--white); }
.btn-whatsapp:hover { background: var(--green-600); color: var(--white); }
.btn-white { background: var(--white); color: var(--accent); }
.btn-white:hover { background: var(--gray-100); color: var(--accent); }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.8125rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* === Container === */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 1rem; }

/* === Flexbox & Grid === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.shrink-0 { flex-shrink: 0; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .md\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
    .md\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* === Spacing === */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.m-0 { margin: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.ml-auto { margin-left: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* === Sizing === */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-lg { max-width: 32rem; }
.max-w-md { max-width: 28rem; }
.max-w-xs { max-width: 20rem; }

/* === Border & Shadow === */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }
.border { border: 1px solid var(--gray-200); }
.border-t { border-top: 1px solid; }
.border-gray-100 { border-color: var(--gray-100); }
.border-gray-200 { border-color: var(--gray-200); }
.border-primary { border-color: var(--primary); }
.border-green-200 { border-color: #bbf7d0; }
.border-white-10 { border-color: rgba(255,255,255,0.1); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

/* === Images === */
img { max-width: 100%; height: auto; display: block; }
.object-cover { object-fit: cover; }

/* === Navigation === */
.nav-link { position: relative; color: var(--gray-700); font-weight: 500; font-size: 0.875rem; }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); transition: width 0.3s; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--primary); }

/* === Badge === */
.badge { display: inline-flex; align-items: center; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; }
.badge-primary { background: color-mix(in srgb, var(--primary) 12%, transparent); color: var(--primary); }
.badge-red { background: var(--red-500); color: var(--white); }
.badge-gold { background: var(--primary); color: var(--white); }

/* === Card === */
.card {
    background: var(--white); border-radius: var(--radius-2xl); overflow: hidden;
    border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm); transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }

/* === Glass Card === */
.glass-card { background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent); }

/* === Gradients === */
.gold-gradient { background: linear-gradient(135deg, var(--primary), var(--primary-light), var(--primary)); }
.hero-gradient { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 70%, transparent) 0%, color-mix(in srgb, var(--primary) 30%, transparent) 100%); }
.gradient-to-b-white { background: linear-gradient(to bottom, var(--white), color-mix(in srgb, var(--primary) 5%, transparent)); }

/* === Animations === */
.animate-float { animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.animate-fade-in { animation: fadeIn 0.6s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-slide-up { animation: slideUp 0.5s ease-out; }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-scale-in { animation: scaleIn 0.4s ease-out; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* Scroll reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === Product Card === */
.product-card .product-overlay { opacity: 0; transition: all 0.3s ease; }
.product-card:hover .product-overlay { opacity: 1; }
.product-card:hover .product-img { transform: scale(1.05); }
.product-img { transition: transform 0.5s ease; }

/* === WhatsApp Float === */
.whatsapp-float { position: fixed; bottom: 24px; right: 20px; z-index: 1000; }
[dir="rtl"] .whatsapp-float { right: auto; left: 20px; }
.whatsapp-btn {
    width: 56px; height: 56px; background: var(--green-500); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-2xl); transition: var(--transition); cursor: pointer;
}
.whatsapp-btn:hover { background: var(--green-600); transform: scale(1.1); }

/* === Scroll to Top === */
.scroll-top {
    position: fixed; bottom: 24px; right: 88px; width: 40px; height: 40px;
    background: var(--primary); color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg); transition: var(--transition); cursor: pointer;
    border: none; z-index: 50; opacity: 0; pointer-events: none;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--primary-dark); }

/* === Forms === */
.form-input {
    width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl); font-size: 0.875rem; transition: var(--transition);
    background: var(--white); color: var(--gray-800); outline: none;
    font-family: inherit;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent); }
.form-input::placeholder { color: var(--gray-400); }
textarea.form-input { resize: none; }
select.form-input { cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2.5rem;
}
.form-label { display: block; font-size: 0.75rem; font-weight: 500; color: var(--gray-600); margin-bottom: 0.375rem; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* === Sticky === */
.sticky { position: sticky; top: 80px; }

/* === Section heading === */
.section-heading { text-align: center; margin-bottom: 3rem; }
.section-heading .label { color: var(--primary); font-weight: 600; font-size: 0.875rem; letter-spacing: 0.1em; text-transform: uppercase; }
.section-heading .title { margin-top: 0.5rem; }

/* === Top bar features === */
.feature-bar {
    background: var(--accent); color: var(--white); font-size: 0.75rem; padding: 0.625rem 1rem;
    overflow-x: auto; white-space: nowrap;
}
.feature-bar .features { display: flex; align-items: center; justify-content: center; gap: 1.5rem; }
@media (min-width: 768px) { .feature-bar .features { gap: 2.5rem; } }
.feature-bar .divider { color: rgba(255,255,255,0.3); }

/* === Promo Card === */
.promo-card {
    border-radius: var(--radius-3xl); color: var(--white); overflow: hidden;
    padding: 2rem; position: relative; cursor: pointer; transition: var(--transition);
}
.promo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.promo-card .promo-bg {
    position: absolute; inset: 0; opacity: 0.1;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.3) 0%, transparent 60%),
                radial-gradient(circle at 70% 80%, rgba(255,255,255,0.2) 0%, transparent 50%);
}
.promo-card .discount-badge {
    background: color-mix(in srgb, var(--primary) 15%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent);
    border-radius: var(--radius-xl); padding: 0.5rem 1rem; text-align: center; display: inline-block;
}

/* === Countdown box === */
.countdown-box { background: color-mix(in srgb, var(--primary) 15%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); }

/* === RTL support === */
.rtl-flip { transform: scaleX(-1); }
[dir="rtl"] .rtl-flip { transform: scaleX(1); }

/* === Responsive text sizes === */
@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
}
@media (min-width: 1024px) {
    h1 { font-size: 3.75rem; }
}

/* === Prose (blog content) === */
.prose h2 { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 700; color: var(--accent); margin-top: 2rem; margin-bottom: 1rem; }
.prose h3 { font-weight: 600; font-size: 1.25rem; color: var(--accent); margin-top: 1.5rem; margin-bottom: 0.75rem; }
.prose p { margin-bottom: 1rem; color: var(--gray-600); line-height: 1.75; }
.prose ul { list-style: disc; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.25rem; }
.prose a { color: var(--primary); }
.prose a:hover { text-decoration: underline; }
.prose img { border-radius: var(--radius-2xl); box-shadow: var(--shadow-md); }

/* === Breadcrumb === */
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--gray-500); flex-wrap: wrap; margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: var(--primary); }

/* === Pagination === */
.pagination { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-top: 2.5rem; }
.pagination a {
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-lg); font-size: 0.875rem; font-weight: 500;
    border: 1px solid var(--gray-200); background: var(--white); color: var(--gray-600);
    transition: var(--transition); cursor: pointer;
}
.pagination a:hover { background: var(--gray-50); }
.pagination a.active { background: var(--primary); color: var(--white); border-color: var(--primary); box-shadow: var(--shadow-md); }

/* === Trust badges row === */
.trust-row {
    display: flex; align-items: center; justify-content: center; gap: 1rem;
    padding: 1rem; flex-wrap: wrap;
}
.trust-item { display: flex; align-items: center; gap: 0.375rem; font-size: 0.75rem; color: var(--gray-500); }
.trust-item svg { width: 16px; height: 16px; color: var(--primary); }

/* === Modal Overlay === */
.modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100;
    align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.active { display: flex; }
.modal-content { background: var(--white); border-radius: var(--radius-3xl); box-shadow: var(--shadow-2xl); width: 100%; position: relative; overflow-y: auto; }

/* === Selection color === */
::selection { background: color-mix(in srgb, var(--primary) 30%, transparent); color: var(--accent); }

/* === Utility === */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { inset: 0; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.hidden { display: none !important; }
.cursor-pointer { cursor: pointer; }
.pointer-events-none { pointer-events: none; }
.opacity-0 { opacity: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }
.inset-x-0 { left: 0; right: 0; }
.bottom-0 { bottom: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.text-left { text-align: left; }
.self-start { align-self: flex-start; }
.text-decoration-line-through { text-decoration: line-through; }
.bg-opacity-80 { background-color: rgba(255,255,255,0.8); }
.bg-opacity-90 { background-color: rgba(255,255,255,0.9); }
.bg-opacity-95 { background-color: rgba(255,255,255,0.95); }
.backdrop-blur-md { backdrop-filter: blur(12px); }

/* === Responsive helpers === */
@media (max-width: 767px) {
    .hidden-mobile { display: none !important; }
    .block-mobile { display: block !important; }
}
@media (min-width: 768px) {
    .hidden-desktop { display: none !important; }
    .hidden-mobile { display: inline-flex !important; }
    .block-mobile { display: none !important; }
}

/* === Responsive visibility for block elements === */
@media (max-width: 767px) {
    .hidden-mobile-block { display: none !important; }
    .block-mobile-block { display: block !important; }
}
@media (min-width: 768px) {
    .hidden-mobile-block { display: block !important; }
    .block-mobile-block { display: none !important; }
}

/* === LG responsive grid columns === */
@media (min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:flex-row { flex-direction: row; }
}

/* === XL responsive grid columns === */
@media (min-width: 1280px) {
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}