/* Production CSS for ImproveGutHealth.org */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-50: #f0fdf4;
    --primary-100: #dcfce7;
    --primary-500: #22c55e;
    --primary-600: #16a34a;
    --primary-700: #15803d;
    --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;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
}

/* Utility Classes */
.antialiased {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.text-7xl { font-size: 4.5rem; line-height: 1; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-center { text-align: center; }

/* Colors */
.text-white { color: var(--white); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }
.text-green-600 { color: var(--primary-600); }
.text-green-700 { color: var(--primary-700); }
.text-yellow-500 { color: #eab308; }

/* Background Colors */
.bg-white { background-color: var(--white); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-green-50 { background-color: var(--primary-50); }
.bg-green-100 { background-color: var(--primary-100); }
.bg-green-600 { background-color: var(--primary-600); }
.bg-green-700 { background-color: var(--primary-700); }

/* Borders */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-gray-200 { border-color: var(--gray-200); }
.border-green-200 { border-color: var(--primary-100); }
.border-green-300 { border-color: var(--primary-500); }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Layout */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

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

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.z-50 { z-index: 50; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* Sizing */
.w-2\/3 { width: 66.666667%; }
.w-8 { width: 2rem; }
.w-12 { width: 3rem; }
.h-8 { height: 2rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.min-h-\[70vh\] { min-height: 70vh; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }

/* Effects */
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-colors { transition-property: color, background-color, border-color; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-600 { transition-duration: 600ms; }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

/* Transforms */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.active\:scale-95:active { transform: scale(0.95); }
.hover:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover:-translate-y-4:hover { transform: translateY(-1rem); }

/* Hover States */
.hover\:bg-gray-100:hover { background-color: var(--gray-100); }
.hover\:bg-green-700:hover { background-color: var(--primary-700); }
.hover\:border-green-300:hover { border-color: var(--primary-500); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.hover\:text-green-600:hover { color: var(--primary-600); }
.hover\:text-green-700:hover { color: var(--primary-700); }

/* Focus States */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-4:focus { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1); }
.focus\:border-green-500:focus { border-color: var(--primary-500); }

/* Backdrop */
.backdrop-blur-md { backdrop-filter: blur(12px); }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-100 { opacity: 1; }

/* Leading */
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.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)); }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Media Queries */
@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
}

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
    .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
    .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Custom Styles */
body {
    font-family: 'Inter', sans-serif;
}

/* Enhanced Navigation Styles */
.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
    display: inline-block;
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link.group:hover .text-green-600 {
    opacity: 1;
}

/* Mobile Navigation */
.mobile-nav-link {
    color: var(--gray-700);
    transition: all 0.2s;
}

.mobile-nav-link:hover {
    color: var(--primary-600);
}

/* Logo hover effects */
.group:hover .group-hover\:rotate-12 {
    transform: rotate(12deg);
}

/* Icon animations */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* Gradient text */
.bg-gradient-to-r.from-green-600.to-green-700 {
    background-image: linear-gradient(to right, var(--primary-600), var(--primary-700));
}

.bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Enhanced button styles */
.btn-primary {
    background-image: linear-gradient(to right, var(--primary-600), var(--primary-700));
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-image: linear-gradient(to right, var(--primary-700), #15803d);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.btn-primary:active {
    transform: translateY(0);
}

.hero-gradient {
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 50%, #dcfce7 100%);
    position: relative;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(22, 163, 74, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    transform: scale(1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.btn:hover {
    transform: scale(1.05);
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background-color: var(--primary-600);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-700);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.feature-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    background-color: var(--white);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary-500);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-0.25rem);
}

.trust-badge {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--gray-600);
    background-color: var(--primary-50);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--primary-100);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--primary-100);
    color: var(--primary-800);
    border: 1px solid var(--primary-200);
}

.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    outline: none;
    transition: all 0.2s;
}

.search-input:focus {
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
    border-color: var(--primary-500);
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-600);
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.resource-card {
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

.resource-card:hover {
    border-color: var(--primary-500);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.category-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Animations for groups */
.feature-card.group {
    transition: all 0.3s;
}

.feature-card.group:hover {
    transform: translateY(-0.25rem);
}

.feature-card.group .text-green-600 {
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card.group:hover .text-green-600 {
    opacity: 1;
}

.feature-card.group .text-4xl {
    transition: transform 0.3s;
}

.feature-card.group:hover .text-4xl {
    transform: scale(1.1);
}

/* Background Gradients */
.bg-gradient-to-br {
    background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}

.bg-gradient-to-r {
    background-image: linear-gradient(to right, var(--tw-gradient-stops));
}

.from-gray-50 {
    --tw-gradient-from: var(--gray-50);
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(249, 250, 251, 0));
}

.to-white {
    --tw-gradient-to: var(--white);
}

.from-green-600 {
    --tw-gradient-from: var(--primary-600);
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(34, 197, 94, 0));
}

.to-green-700 {
    --tw-gradient-to: var(--primary-700);
}

/* Group utilities */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

.group:hover .group-hover\:opacity-100 {
    opacity: 1;
}