/*
 * EurexaLabs - Premium Dark Peptide Research Theme
 * Main Stylesheet
 * Version: 1.0.0
 */

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #00C8FF;
    --color-primary-rgb: 0, 200, 255;
    --color-secondary: #7B2FBE;
    --color-secondary-rgb: 123, 47, 190;
    --color-dark: #0A0E1A;
    --color-dark-alt: #141829;
    --color-dark-card: #1A2035;
    --color-dark-border: #242B42;
    --color-text: #E8EAF6;
    --color-muted: #8892B0;
    --color-success: #00FF88;
    --color-warning: #FFD700;
    --color-white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    --gradient-primary-hover: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);

    /* Fonts */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Syne', 'Inter', sans-serif;

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

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(var(--color-primary-rgb), 0.3);
    --shadow-glow-lg: 0 0 40px rgba(var(--color-primary-rgb), 0.4);

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

    /* Header */
    --header-height: 72px;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

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

::selection {
    background: rgba(var(--color-primary-rgb), 0.3);
    color: var(--color-white);
}

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

/* ==========================================================================
   3. Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.75rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.4rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.15rem, 2.5vw, 1.5rem);
}

h5 {
    font-size: clamp(1rem, 2vw, 1.25rem);
}

h6 {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.section-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* ==========================================================================
   4. Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-dark);
    box-shadow: 0 4px 20px rgba(var(--color-primary-rgb), 0.35);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(var(--color-primary-rgb), 0.55);
    transform: translateY(-2px);
    color: var(--color-dark);
}

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

.btn-ghost {
    background: rgba(var(--color-primary-rgb), 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
}

.btn-ghost:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    border-color: rgba(var(--color-primary-rgb), 0.4);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-dark-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.15rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

/* ==========================================================================
   5. Accessibility
   ========================================================================== */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-md);
    z-index: 10000;
    background: var(--color-primary);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

.screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.screen-reader-text:focus {
    position: static !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
    background: var(--color-primary);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
    z-index: 10000;
}

/* ==========================================================================
   6. Top Bar
   ========================================================================== */

.site-topbar {
    background: rgba(10, 14, 26, 0.9);
    border-bottom: 1px solid var(--color-dark-border);
    padding: var(--spacing-sm) 0;
    font-size: 0.8rem;
    color: var(--color-muted);
    position: relative;
    z-index: 1001;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topbar-right a {
    color: var(--color-muted);
    font-size: 0.8rem;
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   7. Site Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(36, 43, 66, 0.5);
    transition: all var(--transition-slow);
}

.header--transparent {
    position: fixed;
    width: 100%;
    background: transparent;
    border-bottom-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.header--transparent.is-scrolled {
    background: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: rgba(36, 43, 66, 0.5);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-xl);
}

/* ==========================================================================
   8. Site Branding
   ========================================================================== */

.site-branding {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-title-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-white);
}

.site-title-link:hover {
    color: var(--color-white);
}

.site-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-flask {
    font-size: 1.5rem;
    line-height: 1;
}

.custom-logo {
    height: 36px;
    width: auto;
}

/* ==========================================================================
   9. Main Navigation
   ========================================================================== */

.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.5rem 0.85rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus,
.current-menu-item > .nav-link,
.current_page_item > .nav-link {
    color: var(--color-white);
    background: rgba(var(--color-primary-rgb), 0.08);
}

.nav-link .nav-arrow {
    font-size: 0.65rem;
    transition: transform var(--transition-fast);
}

li:hover > .nav-link .nav-arrow {
    transform: rotate(180deg);
}

/* Dropdown Sub-Menu */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    width: 100%;
}

.sub-menu .nav-link:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

/* Nested sub-menu */
.sub-menu .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 4px;
}

/* ==========================================================================
   10. Header Actions
   ========================================================================== */

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.header-icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: var(--color-muted);
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
}

.header-icon-btn:hover {
    color: var(--color-white);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.header-icon-btn svg {
    width: 20px;
    height: 20px;
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--color-primary);
    color: var(--color-dark);
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   11. Header Search Overlay
   ========================================================================== */

.header-search-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

.header-search-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.search-form-inner {
    width: 100%;
    max-width: 640px;
    padding: 0 var(--container-padding);
    position: relative;
}

.search-field {
    width: 100%;
    background: var(--color-dark-card);
    border: 2px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: 1rem 3.5rem 1rem 1.5rem;
    color: var(--color-white);
    font-size: 1.15rem;
    outline: none;
    transition: border-color var(--transition-base);
}

.search-field::placeholder {
    color: var(--color-muted);
}

.search-field:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
}

.search-submit {
    position: absolute;
    right: calc(var(--container-padding) + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.search-submit:hover {
    color: var(--color-primary);
}

.search-submit svg {
    width: 22px;
    height: 22px;
}

.search-close {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-full);
    color: var(--color-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

.search-close:hover {
    color: var(--color-white);
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* ==========================================================================
   12. HERO Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.hero-orb:nth-child(1) {
    width: 400px;
    height: 400px;
    background: rgba(var(--color-primary-rgb), 0.25);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.hero-orb:nth-child(2) {
    width: 300px;
    height: 300px;
    background: rgba(var(--color-secondary-rgb), 0.2);
    bottom: 10%;
    right: -5%;
    animation-delay: -3s;
}

.hero-orb:nth-child(3) {
    width: 200px;
    height: 200px;
    background: rgba(var(--color-primary-rgb), 0.15);
    top: 50%;
    left: 40%;
    animation-delay: -5s;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.4rem 1rem;
    background: rgba(var(--color-primary-rgb), 0.08);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-lg);
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.title-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    max-width: 520px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.stat-value {
    display: inline;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
}

.stat-suffix {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-top: 2px;
    white-space: nowrap;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-dark-border);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-card-stack {
    position: relative;
    width: 100%;
    max-width: 480px;
    min-height: 420px;
}

.molecule-bg {
    position: absolute;
    width: 280px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.06;
    animation: float-slow 12s ease-in-out infinite;
}

.molecule-bg svg {
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    background: rgba(26, 32, 53, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(var(--color-primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: float-card 6s ease-in-out infinite;
    box-shadow: var(--shadow-md);
}

.float-card:nth-child(1) {
    top: 0;
    left: 10%;
    animation-delay: 0s;
}

.float-card:nth-child(2) {
    top: 30%;
    right: 0;
    animation-delay: -2s;
}

.float-card:nth-child(3) {
    bottom: 5%;
    left: 5%;
    animation-delay: -4s;
}

.float-card-icon {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.float-card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.float-card-text {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.float-card-value {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ==========================================================================
   13. Trust Bar
   ========================================================================== */

.trust-bar {
    background: var(--color-dark-alt);
    border-top: 1px solid var(--color-dark-border);
    border-bottom: 1px solid var(--color-dark-border);
    padding: var(--spacing-lg) 0;
}

.trust-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl) var(--spacing-3xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

.trust-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.trust-item div {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
}

.trust-item strong {
    color: var(--color-text);
    font-size: 0.85rem;
}

.trust-item span {
    font-size: 0.75rem;
    color: var(--color-muted);
    opacity: 0.8;
}

/* ==========================================================================
   14. Sections - Common
   ========================================================================== */

.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--spacing-3xl);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-eyebrow::before {
    content: '';
    display: block;
    width: 28px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-muted);
    line-height: 1.7;
}

/* ==========================================================================
   15. Products Grid
   ========================================================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(var(--color-primary-rgb), 0.3);
    box-shadow: 0 12px 40px rgba(var(--color-primary-rgb), 0.12);
}

.product-card-image {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--color-dark-alt);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-dark-alt), var(--color-dark-card));
}

.product-placeholder-img svg {
    width: 48px;
    height: 48px;
    color: var(--color-dark-border);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.25rem 0.65rem;
    background: var(--gradient-primary);
    color: var(--color-dark);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
}

.product-card-body {
    padding: var(--spacing-lg);
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.product-title a {
    color: inherit;
    text-decoration: none;
}

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

.product-desc {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-dark-border);
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ==========================================================================
   16. Categories Section
   ========================================================================== */

.categories-section {
    background: var(--color-dark-alt);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    position: relative;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-slow);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    transition: border-color var(--transition-slow);
    pointer-events: none;
}

.category-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
}

.category-card:hover::before {
    border-color: var(--cat-color, var(--color-primary));
}

.category-card:hover {
    box-shadow: 0 8px 30px rgba(var(--color-primary-rgb), 0.1);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.category-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.category-desc {
    font-size: 0.85rem;
    color: var(--color-muted);
    line-height: 1.5;
}

.category-count {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================================================
   17. Why Section
   ========================================================================== */

.why-section {
    position: relative;
    overflow: hidden;
}

.why-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.why-content {
    position: relative;
    z-index: 2;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.why-feature {
    position: relative;
    padding-left: 4rem;
}

.why-feature-num {
    position: absolute;
    left: 0;
    top: -0.15rem;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(var(--color-primary-rgb), 0.08);
    line-height: 1;
    user-select: none;
}

.why-feature h3,
.why-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.why-feature p {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: 0;
    line-height: 1.6;
}

.why-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   18. Lab Card (Terminal)
   ========================================================================== */

.lab-card {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.lab-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-dark-border);
}

.lab-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.lab-dot:nth-child(1) {
    background: #FF5F57;
}

.lab-dot:nth-child(2) {
    background: #FFBD2E;
}

.lab-dot:nth-child(3) {
    background: #28CA41;
}

.lab-card-body {
    padding: var(--spacing-lg);
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
}

.lab-row {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.lab-row .label {
    color: var(--color-muted);
    min-width: 120px;
    flex-shrink: 0;
}

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

.text-green {
    color: var(--color-success);
}

/* ==========================================================================
   19. Testimonials Section
   ========================================================================== */

.testimonials-section {
    background: var(--color-dark-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    border-color: rgba(var(--color-primary-rgb), 0.2);
    transform: translateY(-3px);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    margin-bottom: var(--spacing-md);
    color: var(--color-warning);
    font-size: 0.9rem;
}

.testimonial-quote {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-dark);
    flex-shrink: 0;
}

.testimonial-author > div {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong,
.testimonial-name {
    font-weight: 600;
    color: var(--color-white);
    font-size: 0.95rem;
}

.testimonial-author span,
.testimonial-role {
    font-size: 0.8rem;
    color: var(--color-muted);
}

/* ==========================================================================
   20. CTA Banner
   ========================================================================== */

.cta-banner {
    position: relative;
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
}

.cta-banner::before,
.cta-banner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
}

.cta-banner::before {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -100px;
    left: -100px;
}

.cta-banner::after {
    width: 350px;
    height: 350px;
    background: var(--color-secondary);
    bottom: -80px;
    right: -80px;
}

.cta-banner-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-banner-flask {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.cta-banner-inner h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-banner-inner p {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-2xl);
}

.cta-banner-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* ==========================================================================
   21. Footer Newsletter
   ========================================================================== */

.footer-newsletter {
    background: var(--color-dark-alt);
    border-top: 1px solid var(--color-dark-border);
    border-bottom: 1px solid var(--color-dark-border);
    padding: var(--spacing-3xl) 0;
}

.newsletter-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.newsletter-inner h3 {
    font-size: 1.35rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.newsletter-inner p {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: 0;
}

.newsletter-form {
    flex-shrink: 0;
}

.newsletter-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input-group input[type="email"] {
    width: 280px;
    padding: 0.75rem 1rem;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-base);
}

.newsletter-input-group input[type="email"]::placeholder {
    color: var(--color-muted);
}

.newsletter-input-group input[type="email"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.newsletter-message {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-success);
}

.newsletter-message.error {
    color: #FF5F57;
}

/* ==========================================================================
   22. Site Footer
   ========================================================================== */

.site-footer {
    background: var(--color-dark);
    padding-top: 0;
}

.footer-main {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-brand .site-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.3rem 0.65rem;
    background: rgba(var(--color-primary-rgb), 0.06);
    border: 1px solid rgba(var(--color-primary-rgb), 0.12);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    color: var(--color-primary);
    font-weight: 600;
    white-space: nowrap;
}

.trust-badge svg {
    width: 12px;
    height: 12px;
}

.footer-col {
    min-width: 0;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-muted);
    font-size: 0.88rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(3px);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--color-dark-border);
    padding: var(--spacing-lg) 0;
}

.footer-bottom .container,
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-copyright {
    font-size: 0.82rem;
    color: var(--color-muted);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--color-muted);
    opacity: 0.7;
    max-width: 600px;
    text-align: right;
    line-height: 1.5;
}

/* ==========================================================================
   23. Site Content & Page Header
   ========================================================================== */

.site-content {
    min-height: 50vh;
}

.page-header {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: var(--color-dark-alt);
    border-bottom: 1px solid var(--color-dark-border);
    text-align: center;
}

.page-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   24. Posts Grid (Blog)
   ========================================================================== */

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-3xl) 0;
}

.post-card {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--color-primary-rgb), 0.25);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.post-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-dark-alt);
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

.post-card-body {
    padding: var(--spacing-lg);
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.35;
}

.post-card-title a {
    color: inherit;
    text-decoration: none;
}

.post-card-title a:hover {
    color: var(--color-primary);
}

.post-card-excerpt {
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition-base);
}

.post-card-link:hover {
    gap: 10px;
    color: var(--color-primary);
}

/* ==========================================================================
   25. Single Post
   ========================================================================== */

.single-post .entry-header {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
    background: var(--color-dark-alt);
    border-bottom: 1px solid var(--color-dark-border);
    text-align: center;
}

.entry-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.entry-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-muted);
}

.entry-meta a {
    color: var(--color-primary);
}

.entry-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.entry-thumbnail {
    max-width: 900px;
    margin: var(--spacing-2xl) auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.entry-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* Single Content Styles */
.single-content {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--container-padding) var(--spacing-4xl);
}

.single-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.single-content h2 {
    font-size: 1.75rem;
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.single-content h3 {
    font-size: 1.35rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.single-content h4 {
    font-size: 1.15rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.single-content ul,
.single-content ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.single-content ul {
    list-style: disc;
}

.single-content ol {
    list-style: decimal;
}

.single-content li {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
}

.single-content li::marker {
    color: var(--color-primary);
}

.single-content blockquote {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.single-content blockquote p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 0;
}

.single-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(var(--color-primary-rgb), 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition-fast);
}

.single-content a:hover {
    text-decoration-color: var(--color-primary);
    color: var(--color-primary);
}

.single-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.single-content code {
    background: var(--color-dark-alt);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--color-primary);
}

.single-content pre {
    background: var(--color-dark-alt);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.single-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 0.88rem;
}

.entry-footer {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--container-padding);
    border-top: 1px solid var(--color-dark-border);
}

.entry-footer .tags-links,
.entry-footer .cat-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-muted);
}

.entry-footer a {
    color: var(--color-primary);
}

/* ==========================================================================
   26. Breadcrumbs
   ========================================================================== */

.breadcrumbs {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-dark-border);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.82rem;
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-muted);
}

.breadcrumb-item a {
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

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

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: var(--color-dark-border);
    margin-left: var(--spacing-xs);
}

.breadcrumb-item:last-child {
    color: var(--color-text);
}

/* ==========================================================================
   27. 404 / Not Found
   ========================================================================== */

.not-found-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) 0;
}

.error-404-inner {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
}

.error-404-inner .error-code {
    font-family: var(--font-heading);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-404-inner h1 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.error-404-inner p {
    color: var(--color-muted);
    margin-bottom: var(--spacing-2xl);
}

/* ==========================================================================
   28. Comments
   ========================================================================== */

.comments-area {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--container-padding);
}

.comments-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-white);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-3xl);
}

.comment {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-dark-border);
}

.comment-body {
    position: relative;
}

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.comment-author .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-dark-alt);
}

.comment-author .fn {
    font-weight: 600;
    color: var(--color-white);
    font-size: 0.95rem;
}

.comment-metadata {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.comment-metadata a {
    color: var(--color-muted);
}

.comment-content {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.7;
}

.comment-content p {
    margin-bottom: var(--spacing-md);
}

.reply a {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-primary);
}

.children {
    list-style: none;
    padding-left: var(--spacing-2xl);
    margin: 0;
}

/* Comment Form */
.comment-respond {
    padding-top: var(--spacing-2xl);
}

.comment-reply-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.comment-form p {
    margin-bottom: var(--spacing-md);
}

.comment-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-base);
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.comment-form textarea {
    min-height: 140px;
    resize: vertical;
}

.comment-form .submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    background: var(--gradient-primary);
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(var(--color-primary-rgb), 0.35);
}

.comment-form .submit:hover {
    box-shadow: 0 6px 30px rgba(var(--color-primary-rgb), 0.5);
    transform: translateY(-2px);
}

/* ==========================================================================
   29. Widget Area / Sidebar
   ========================================================================== */

.widget-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.widget {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.widget-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-dark-border);
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(36, 43, 66, 0.5);
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--color-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   30. Keyframe Animations
   ========================================================================== */

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.02);
    }
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

@keyframes float-slow {
    0%, 100% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    50% {
        transform: translate(-50%, -52%) rotate(5deg);
    }
}

@keyframes float-card {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translateY(0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translateY(-16px);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translateY(-8px);
    }
    90% {
        transform: translateY(-3px);
    }
}

/* Utility animation classes */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-dot {
    animation: pulse-dot 2s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

/* ==========================================================================
   31. WooCommerce Overrides (Basic)
   ========================================================================== */

.woocommerce .products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.woocommerce .product {
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.woocommerce .product:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--color-primary-rgb), 0.25);
}

.woocommerce .price {
    color: var(--color-primary) !important;
    font-weight: 700;
    font-family: var(--font-heading);
}

.woocommerce .button,
.woocommerce a.button,
.woocommerce button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    background: var(--gradient-primary);
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.85rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.woocommerce .button:hover,
.woocommerce a.button:hover,
.woocommerce button.button:hover {
    box-shadow: 0 4px 20px rgba(var(--color-primary-rgb), 0.4);
    transform: translateY(-1px);
}

/* ==========================================================================
   32. Pagination
   ========================================================================== */

.pagination,
.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-2xl) 0;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-sm);
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.page-numbers.current {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-dark);
    font-weight: 700;
}

/* ==========================================================================
   33. Scrollbar
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-dark-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-muted);
}

/* ==========================================================================
   34. Utility Classes
   ========================================================================== */

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

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ==========================================================================
   35a. WordPress Admin Bar Support
   ========================================================================== */

.admin-bar .site-header {
    top: 32px;
}

.admin-bar .main-navigation {
    top: calc(var(--header-height) + 32px);
}

.admin-bar .hero {
    padding-top: calc(var(--header-height) + 32px + var(--spacing-3xl));
}

.admin-bar .page-header {
    padding-top: calc(var(--header-height) + 32px + var(--spacing-3xl));
}

.admin-bar .single-post .entry-header {
    padding-top: calc(var(--header-height) + 32px + var(--spacing-3xl));
}

@media (max-width: 782px) {
    .admin-bar .site-header {
        top: 46px;
    }

    .admin-bar .main-navigation {
        top: calc(var(--header-height) + 46px);
    }

    .admin-bar .hero {
        padding-top: calc(var(--header-height) + 46px + var(--spacing-3xl));
    }
}

/* Topbar text center */
.site-topbar .container {
    text-align: center;
}

.topbar-text {
    display: inline-block;
    text-align: center;
}

/* Section eyebrow center fix */
.section-eyebrow {
    justify-content: center;
}

/* Float card label */
.float-card-label {
    font-size: 0.75rem;
    color: var(--color-muted);
    margin-top: 2px;
}

/* Why feature body spacing */
.why-feature-body h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.why-feature-body p {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Lab card title */
.lab-card-title {
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-left: var(--spacing-sm);
}

/* ==========================================================================
   35. Responsive - 1024px
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --container-padding: 1.25rem;
    }

    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        display: none;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta-group {
        justify-content: center;
    }

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

    /* Products */
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .woocommerce .products {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Why Section */
    .why-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .why-visual {
        display: none;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

/* ==========================================================================
   36. Responsive - 768px
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --spacing-4xl: 4rem;
    }

    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
        overflow-y: auto;
        z-index: 999;
    }

    .main-navigation.is-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-xs);
    }

    .nav-menu > li {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-md);
    }

    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
        padding-top: var(--spacing-xs);
        padding-bottom: 0;
    }

    .sub-menu .sub-menu {
        margin-left: 0;
    }

    /* Grids */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-brand {
        grid-column: span 2;
    }

    /* Newsletter */
    .newsletter-inner {
        flex-direction: column;
        text-align: center;
    }

    .newsletter-input-group {
        flex-direction: column;
        width: 100%;
    }

    .newsletter-input-group input[type="email"] {
        width: 100%;
    }

    /* Trust Bar */
    .trust-bar-inner {
        gap: var(--spacing-md) var(--spacing-xl);
    }

    /* Topbar */
    .site-topbar {
        display: none;
    }

    /* Footer Bottom */
    .footer-bottom .container,
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }

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

    /* Breadcrumbs */
    .breadcrumb-list {
        font-size: 0.78rem;
    }

    /* Comments */
    .children {
        padding-left: var(--spacing-md);
    }
}

/* ==========================================================================
   37. Responsive - 480px
   ========================================================================== */

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }

    /* Single columns */
    .products-grid {
        grid-template-columns: 1fr;
    }

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

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

    .woocommerce .products {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: span 1;
    }

    /* Hero Stats */
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-cta-group {
        flex-direction: column;
    }

    .hero-cta-group .btn {
        width: 100%;
    }

    /* Hero Eyebrow */
    .hero-eyebrow {
        font-size: 0.72rem;
    }

    /* CTA */
    .cta-banner-actions {
        flex-direction: column;
    }

    .cta-banner-actions .btn {
        width: 100%;
    }

    /* Header Actions */
    .header-actions .btn {
        display: none;
    }

    /* Trust Badges */
    .trust-badges {
        justify-content: center;
    }

    /* Single Content */
    .single-content {
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }

    .single-content p {
        font-size: 1rem;
    }

    /* Testimonial */
    .testimonial-card {
        padding: var(--spacing-lg);
    }

    /* Product Cards */
    .product-card-body {
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   38. Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-orb,
    .molecule-bg,
    .float-card,
    .eyebrow-dot {
        animation: none;
    }
}

/* ==========================================================================
   39. Print Styles
   ========================================================================== */

@media print {
    body {
        background: #fff;
        color: #000;
    }

    .site-header,
    .site-topbar,
    .site-footer,
    .footer-newsletter,
    .cta-banner,
    .hero-canvas,
    .hero-visual,
    .header-actions,
    .mobile-menu-toggle,
    .header-search-overlay {
        display: none !important;
    }

    .container {
        max-width: 100%;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}