/* ============================================
   NUCLEIC PRODUCTS - Botanical Medical Design System
   Colors: Forest Green #2D5F3E, Copper #B87333, Warm White #FAFAF7
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Brand Colors */
    --green-900: #1A3A24;
    --green-800: #234D30;
    --green-700: #2D5F3E;
    --green-600: #3A7A4F;
    --green-500: #4A9462;
    --green-400: #6DB07F;
    --green-300: #94C9A0;
    --green-200: #BCE0C3;
    --green-100: #E0F2E4;
    --green-50: #F0F9F2;

    --copper-900: #5C3A1A;
    --copper-800: #7A4E24;
    --copper-700: #B87333;
    --copper-600: #C9874A;
    --copper-500: #D49B62;
    --copper-400: #DFB07B;
    --copper-300: #E8C59B;
    --copper-200: #F0D9BC;
    --copper-100: #F7ECDD;
    --copper-50: #FBF5EE;

    --warm-white: #FAFAF7;
    --warm-50: #F5F5F0;
    --warm-100: #EDEEE8;
    --warm-200: #DDDDD5;
    --warm-300: #C4C4BA;
    --warm-400: #9E9E93;
    --warm-500: #7A7A6F;
    --warm-600: #5C5C52;
    --warm-700: #3E3E36;
    --warm-800: #2A2A24;
    --warm-900: #1A1A16;

    --tan-bg: #F5EDE0;

    /* Semantic Colors */
    --color-primary: var(--green-700);
    --color-primary-hover: var(--green-800);
    --color-accent: var(--copper-700);
    --color-accent-hover: var(--copper-800);
    --color-bg: var(--warm-white);
    --color-surface: #FFFFFF;
    --color-text: var(--warm-800);
    --color-text-light: var(--warm-500);
    --color-text-dark: var(--warm-900);
    --color-border: var(--warm-200);
    --color-success: #2D7A3E;
    --color-warning: #B87333;
    --color-danger: #A63A3A;
    --color-info: #3A6A8A;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 900px;
    --header-height: 80px;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.07), 0 4px 10px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: url('/images/site/bg_botanical.svg');
    background-size: 100% auto;
    background-repeat: repeat-y;
    background-position: top center;
    background-attachment: fixed;
    min-height: 100vh;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    color: var(--color-text-dark);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--text-5xl);
    font-weight: 700;
}

h2 {
    font-size: var(--text-4xl);
    font-weight: 600;
}

h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
}

h4 {
    font-size: var(--text-xl);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
}

/* ---------- Container ---------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

/* ---------- Top Bar ---------- */
.top-bar {
    background: var(--green-700);
    color: #FFFFFF;
    text-align: center;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.top-bar a {
    color: #FFFFFF;
    text-decoration: none;
}

.top-bar a:hover {
    color: var(--green-200);
}

/* ---------- Header / Navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 250, 247, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 2px solid #f5faf6;
    height: var(--header-height);
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-text span {
    color: var(--copper-700);
}

.nav-main {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-main a {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--warm-600);
    text-decoration: none;
    letter-spacing: 0.02em;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-main a:hover,
.nav-main a.active {
    color: var(--color-primary);
}

.nav-main a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--copper-700);
    transition: width var(--transition-base);
}

.nav-main a:hover::after,
.nav-main a.active::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.65rem 1.5rem;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #FFFFFF;
    transform: translateY(-1px);
}

.btn-outline-accent {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline-accent:hover {
    background: var(--color-accent);
    color: #FFFFFF;
}

.btn-ghost {
    background: transparent;
    color: var(--warm-600);
    border-color: transparent;
}

.btn-ghost:hover {
    color: var(--color-primary);
    background: var(--green-50);
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: var(--text-base);
}

/* ---------- Announcement Bar ---------- */
.announcement-bar {
    background: linear-gradient(135deg, var(--copper-700) 0%, var(--copper-600) 100%);
    color: #FFFFFF;
    text-align: center;
    padding: 0.6rem var(--space-xl);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.announcement-bar a {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
}

.announcement-bar a:hover {
    color: var(--copper-100);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 560px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-split {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl) 0;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    -webkit-mask-image: radial-gradient(ellipse 65% 65% at center, black 35%, transparent 90%);
    mask-image: radial-gradient(ellipse 65% 65% at center, black 35%, transparent 90%);
}

.hero-text h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--green-900);
    margin-bottom: var(--space-lg);
    line-height: 1.15;
}

.hero-text h1 em {
    font-style: italic;
    color: var(--copper-700);
    display: block;
}

.hero-text .tagline {
    font-size: var(--text-base);
    color: var(--warm-600);
    margin-bottom: var(--space-2xl);
    max-width: 460px;
    line-height: 1.7;
}

.hero-text .tagline strong {
    color: var(--warm-800);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ---------- Hero CTA Buttons (Pill with Icon) ---------- */
.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 2rem 0.9rem 0.9rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.03em;
    color: #FFFFFF;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-hero-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition-base);
}

.btn-hero:hover .btn-hero-icon {
    background: rgba(255, 255, 255, 0.35);
}

.btn-hero-green {
    background: linear-gradient(135deg, var(--green-700) 0%, var(--green-600) 100%);
    box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.3), 0 4px 14px rgba(45, 95, 62, 0.35), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-hero-green:hover {
    background: linear-gradient(135deg, var(--green-800) 0%, var(--green-700) 100%);
    box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.45), 0 6px 20px rgba(45, 95, 62, 0.45), 0 2px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    color: #FFFFFF;
}

.btn-hero-copper {
    background: linear-gradient(135deg, var(--copper-700) 0%, var(--copper-600) 100%);
    box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.3), 0 4px 14px rgba(184, 115, 51, 0.35), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-hero-copper:hover {
    background: linear-gradient(135deg, var(--copper-800) 0%, var(--copper-700) 100%);
    box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.45), 0 6px 20px rgba(184, 115, 51, 0.45), 0 2px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    color: #FFFFFF;
}

/* ---------- Round Buttons ---------- */
.btn-round {
    border-radius: 999px;
}

.btn-copper {
    background: var(--copper-700);
    color: #FFFFFF;
    border-color: var(--copper-700);
}

.btn-copper:hover {
    background: var(--copper-800);
    border-color: var(--copper-800);
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-copper {
    background: transparent;
    color: var(--copper-700);
    border-color: var(--copper-700);
}

.btn-outline-copper:hover {
    background: var(--copper-700);
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* ---------- Credential Pills ---------- */
.credentials-section {
    padding: var(--space-xl) 0;
    background: var(--warm-white);
}

.credential-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.credential-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.6rem;
    border-radius: 999px;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #FFFFFF;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.credential-pill:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.credential-green {
    background: var(--green-700);
}

.credential-copper {
    background: var(--copper-700);
}

.pill-check {
    width: 22px;
    height: 22px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

/* ---------- Category Pills (Products Page) ---------- */
.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    padding: var(--space-2xl) 0;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.7rem 1.5rem;
    border-radius: 999px;
    background: var(--green-700);
    color: #FFFFFF;
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.category-pill:hover {
    background: var(--green-800);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-pill .pill-icon {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* ---------- 4-col Products Grid ---------- */
.products-grid--4 {
    grid-template-columns: repeat(4, 1fr) !important;
}

/* ---------- Efficacy Section ---------- */
.efficacy-section {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.efficacy-section h2 {
    font-size: var(--text-3xl);
    color: var(--green-900);
    margin-bottom: var(--space-sm);
}

.efficacy-section .accent-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--green-700), var(--copper-700));
    margin: 0 auto var(--space-md);
    border-radius: 2px;
}

/* ---------- Product Line Showcase ---------- */
.product-line-showcase {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-4xl);
}

.product-line-showcase h2 {
    font-size: var(--text-3xl);
    color: var(--green-900);
    margin-bottom: var(--space-sm);
}

.product-line-showcase .accent-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--green-700), var(--copper-700));
    margin: 0 auto var(--space-md);
    border-radius: 2px;
}

.product-line-showcase .section-subtitle {
    color: var(--warm-500);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.product-line-image {
    max-width: 960px;
    margin: 0 auto var(--space-2xl);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #FFFFFF;
    padding: var(--space-lg);
    transition: box-shadow var(--transition-base);
}

.product-line-image:hover {
    box-shadow: var(--shadow-xl);
}

.product-line-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* ---------- Bottom Banner ---------- */
.botanical-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 200px;
    overflow: hidden;
}

.botanical-banner-left {
    background: var(--green-900);
    color: var(--green-200);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl) var(--space-3xl);
}

.botanical-banner-left h3 {
    color: #FFFFFF;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xs);
}

.botanical-banner-left p {
    color: var(--green-300);
    font-size: var(--text-sm);
    margin-bottom: 0;
}

.botanical-banner-right {
    background: linear-gradient(135deg, var(--copper-700), var(--copper-600));
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-2xl) var(--space-3xl);
    text-align: center;
}

.botanical-banner-right h3 {
    color: #FFFFFF;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
}

.botanical-banner-right p {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-sm);
    margin-bottom: var(--space-lg);
}

/* Floating leaf decorations */
.leaf-accent {
    position: absolute;
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
}

.leaf-accent svg {
    fill: var(--green-700);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

/* ---------- Trust Badges ---------- */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    padding: var(--space-3xl) 0;
}

.badge-card {
    text-align: center;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.badge-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-300);
}

.badge-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: var(--green-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.badge-card h4 {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--green-800);
    margin-bottom: var(--space-xs);
}

.badge-card p {
    font-size: var(--text-sm);
    color: var(--warm-400);
    margin-bottom: 0;
}

/* ---------- Section Styles ---------- */
.section {
    padding: var(--space-4xl) 0;
}

.section--alt {
    background: var(--warm-50);
}

.section--green {
    background: var(--green-900);
    color: #FFFFFF;
}

.section--green h2,
.section--green h3 {
    color: #FFFFFF;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--warm-400);
    max-width: 600px;
    margin: 0 auto;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--green-700), var(--copper-700));
    margin: var(--space-md) auto;
    border-radius: 2px;
}

/* ---------- Product Cards ---------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--green-300);
}

.product-card-image {
    aspect-ratio: 1;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-card-image img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-body {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .category-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--copper-700);
    margin-bottom: var(--space-xs);
}

.product-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.product-card h3 a {
    color: var(--color-text-dark);
    text-decoration: none;
}

.product-card h3 a:hover {
    color: var(--color-primary);
}

.product-card .tagline {
    font-size: var(--text-sm);
    color: var(--warm-400);
    margin-bottom: var(--space-md);
    flex: 1;
}

.product-card .price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.product-card .price {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--green-800);
}

.product-card .price .label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--warm-400);
}

/* ---------- Category Filter ---------- */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.category-filter {
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: var(--text-sm);
    font-weight: 500;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--warm-500);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-filter:hover {
    border-color: var(--green-400);
    color: var(--green-700);
}

.category-filter.active {
    background: var(--green-700);
    border-color: var(--green-700);
    color: #FFFFFF;
}

/* ---------- Product Detail ---------- */
/* ---------- Breadcrumb Navigation ---------- */
.breadcrumb-nav {
    font-size: var(--text-sm);
    color: var(--warm-400);
}

.breadcrumb-nav a {
    color: var(--warm-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

.breadcrumb-nav a:hover {
    color: var(--green-700);
}

.breadcrumb-sep {
    margin: 0 0.5rem;
    color: var(--warm-300);
}

.breadcrumb-current {
    color: var(--warm-600);
    font-weight: 500;
}

/* ---------- Product Detail ---------- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    padding: var(--space-3xl) 0;
}

.product-gallery {
    background: white;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
    align-self: start;
}

.product-gallery img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.product-info h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-sm);
}

.product-info .product-tagline {
    font-size: var(--text-lg);
    color: var(--copper-700);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.product-size {
    font-size: var(--text-sm);
    color: var(--warm-500);
    margin-bottom: var(--space-lg);
}

.product-price-block {
    background: var(--green-50);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.product-price-block .price-main {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.product-price-block .wholesale-price {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--green-800);
}

.product-price-block .price-label {
    font-size: var(--text-sm);
    color: var(--green-600);
    font-weight: 500;
}

.product-price-block .price-retail {
    font-size: var(--text-sm);
    color: var(--warm-400);
    margin-top: var(--space-xs);
}

.product-price-block .retail-price {
    text-decoration: line-through;
}

.product-description {
    margin-bottom: var(--space-xl);
}

.product-description p {
    color: var(--warm-600);
    line-height: 1.8;
    font-size: var(--text-base);
}

.product-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--warm-100);
}

.product-section h4 {
    color: var(--green-800);
    font-size: var(--text-lg);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.product-section p {
    color: var(--warm-600);
    line-height: 1.8;
    font-size: var(--text-sm);
}

.product-benefits {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.product-benefits li {
    padding: var(--space-sm) 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: var(--text-sm);
    color: var(--warm-600);
}

.product-benefits li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--green-500);
    font-size: 0.7em;
}

.product-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.detail-card {
    background: var(--tan-bg);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
}

.detail-card h5 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--green-800);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- About Section ---------- */
.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-quote {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-style: italic;
    color: var(--green-800);
    border-left: 4px solid var(--copper-700);
    padding-left: var(--space-xl);
    margin: var(--space-xl) 0;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--green-900);
    color: var(--green-200);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo-text {
    color: #FFFFFF;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-md);
}

.footer-brand .logo-text span {
    color: var(--copper-400);
}

.footer-brand p {
    color: var(--green-300);
    font-size: var(--text-sm);
    line-height: 1.8;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--copper-400);
    margin-bottom: var(--space-lg);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    color: var(--green-300);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--green-400);
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--warm-700);
    margin-bottom: var(--space-xs);
}

.form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-surface);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(45, 95, 62, 0.1);
}

.form-control::placeholder {
    color: var(--warm-300);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A7A6F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ---------- Auth Pages ---------- */
.auth-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--green-50) 0%, var(--warm-white) 50%, var(--copper-50) 100%);
}

.auth-card {
    width: 100%;
    max-width: 460px;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
}

.auth-card h2 {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--warm-400);
    margin-bottom: var(--space-2xl);
}

/* ---------- Dashboard ---------- */
.dashboard-header {
    background: var(--green-50);
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.dashboard-content {
    padding: var(--space-2xl) 0;
}

.order-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.order-table th {
    text-align: left;
    padding: var(--space-md);
    background: var(--warm-50);
    font-weight: 600;
    color: var(--warm-600);
    border-bottom: 2px solid var(--color-border);
}

.order-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--warm-600);
}

.order-table tr:hover td {
    background: var(--green-50);
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: var(--text-xs);
    font-weight: 600;
}

.status-badge--active {
    background: var(--green-100);
    color: var(--green-800);
}

.status-badge--pending {
    background: var(--copper-100);
    color: var(--copper-800);
}

.status-badge--rejected {
    background: #FDEDEF;
    color: var(--color-danger);
}

/* ---------- Alert Messages ---------- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 500;
}

.alert-success {
    background: var(--green-100);
    color: var(--green-800);
    border: 1px solid var(--green-200);
}

.alert-danger {
    background: #FDEDEF;
    color: var(--color-danger);
    border: 1px solid #F5C6CB;
}

.alert-warning {
    background: var(--copper-100);
    color: var(--copper-800);
    border: 1px solid var(--copper-200);
}

.alert-info {
    background: #E8F4FD;
    color: var(--color-info);
    border: 1px solid #BDE0F5;
}

/* ---------- Cart ---------- */
.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto auto;
    gap: var(--space-lg);
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.cart-item-image {
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qty-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.qty-control button {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--warm-50);
    cursor: pointer;
    font-size: var(--text-lg);
    color: var(--warm-500);
    transition: background var(--transition-fast);
}

.qty-control button:hover {
    background: var(--green-100);
    color: var(--green-800);
}

.qty-control input {
    width: 40px;
    text-align: center;
    border: none;
    font-family: var(--font-body);
    font-size: var(--text-base);
    outline: none;
}

/* ---------- Mobile Navigation ---------- */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-sm);
    background: none;
    border: none;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--warm-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    h1 {
        font-size: var(--text-4xl);
    }

    .hero-split {
        gap: var(--space-2xl);
    }

    .hero-text h1 {
        font-size: var(--text-4xl);
    }

    .products-grid--4 {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    h1 {
        font-size: var(--text-3xl);
    }

    h2 {
        font-size: var(--text-2xl);
    }

    .hero {
        min-height: auto;
    }

    .hero-split {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--space-2xl) 0;
    }

    .hero-image img {
        max-width: 300px;
        margin: 0 auto;
    }

    .hero-text h1 {
        font-size: var(--text-2xl);
    }

    .hero-text .tagline {
        margin: 0 auto var(--space-xl);
    }

    .hero-actions {
        justify-content: center;
    }

    .credential-pills {
        gap: var(--space-sm);
    }

    .credential-pill {
        font-size: var(--text-xs);
        padding: 0.5rem 1rem;
    }

    .category-pills {
        gap: var(--space-sm);
    }

    .category-pill {
        font-size: var(--text-xs);
        padding: 0.5rem 1rem;
    }

    .botanical-banner {
        grid-template-columns: 1fr;
    }

    .trust-badges {
        grid-template-columns: 1fr;
    }

    .products-grid,
    .products-grid--4 {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)) !important;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        aspect-ratio: auto;
        padding: var(--space-2xl);
        position: static;
    }

    .product-details-grid {
        grid-template-columns: 1fr;
    }

    .about-section {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .nav-main {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: var(--space-2xl);
        gap: var(--space-lg);
        z-index: 999;
    }

    .nav-main.open {
        display: flex;
    }

    .nav-main a {
        font-size: var(--text-lg);
        padding: var(--space-sm) 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

    .header-actions .btn-mobile {
        display: inline-flex;
    }

    .cart-item {
        grid-template-columns: 60px 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-text h1 {
        font-size: var(--text-2xl);
    }

    .products-grid,
    .products-grid--4 {
        grid-template-columns: 1fr !important;
    }
}

/* ---------- Botanical Line Art Background ---------- */
.botanical-bg {
    position: relative;
}

.botanical-bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cpath d='M100 10 C100 10 130 50 130 100 C130 150 100 190 100 190 C100 190 70 150 70 100 C70 50 100 10 100 10Z' fill='none' stroke='%232D5F3E' stroke-width='1'/%3E%3Cpath d='M50 100 C50 100 75 80 100 100 C125 120 150 100 150 100' fill='none' stroke='%232D5F3E' stroke-width='0.8'/%3E%3Ccircle cx='100' cy='60' r='5' fill='none' stroke='%232D5F3E' stroke-width='0.6'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
}

/* ---------- Utility Classes ---------- */
.text-center {
    text-align: center;
}

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

.text-primary {
    color: var(--color-primary);
}

.text-accent {
    color: var(--color-accent);
}

.text-muted {
    color: var(--warm-400);
}

.text-sm {
    font-size: var(--text-sm);
}

.mt-1 {
    margin-top: var(--space-md);
}

.mt-2 {
    margin-top: var(--space-xl);
}

.mt-3 {
    margin-top: var(--space-2xl);
}

.mb-1 {
    margin-bottom: var(--space-md);
}

.mb-2 {
    margin-bottom: var(--space-xl);
}

.mb-3 {
    margin-bottom: var(--space-2xl);
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

/* ---------- Disclaimer ---------- */
.disclaimer {
    font-size: var(--text-xs);
    color: var(--warm-400);
    font-style: italic;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}