/* ==========================================================================
   NEURAL THEME - Master Design System for NeuroGen
   Version: 1.0 | Updated: January 2026

   This file contains the master design system for all NeuroGen pages.
   All pages should import this file to maintain UI/UX consistency.
   ========================================================================== */

/* ==========================================================================
   CSS VARIABLES - Design Tokens
   ========================================================================== */

:root {
    /* Neural Color System */
    --neural-void: #0f1419;
    --neural-deep: #15202b;
    --neural-surface: #192734;
    --neural-elevated: #22303c;
    --neural-border: rgba(136, 153, 166, 0.15);
    --neural-border-strong: rgba(136, 153, 166, 0.28);

    /* Primary Accent - Google-Inspired Blue */
    --accent-primary: #8ab4f8;
    --accent-primary-bright: #aecbfa;
    --accent-primary-glow: rgba(138, 180, 248, 0.12);
    --accent-secondary: #669df6;

    /* Semantic Colors */
    --data-positive: #81c995;
    --data-negative: #f28b82;
    --data-warning: #fdd663;
    --data-highlight: #fbbf24;

    /* Synapse Colors */
    --synapse-cyan: #8ab4f8;
    --synapse-teal: #78d9ec;
    --synapse-emerald: #81c995;
    --synapse-amber: #fdd663;
    --synapse-rose: #f28b82;
    --synapse-violet: #c58af9;

    /* Text */
    --text-primary: #e7e9ea;
    --text-secondary: #8899a6;
    --text-tertiary: #6e7681;

    /* Typography */
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-data: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Monaco', monospace;

    /* Timing */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

body.neurogen-dark,
body.neural-theme {
    background: var(--neural-void) !important;
    font-family: var(--font-display);
    color: var(--text-primary);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.neurogen-header,
.neural-header {
    background: rgba(15, 20, 25, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--neural-border);
}

.neural-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--synapse-cyan) 0%, var(--synapse-teal) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neural-logo i {
    color: var(--neural-void);
    font-size: 1rem;
}

.neural-brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.neurogen-footer,
.neural-footer {
    background: var(--neural-deep);
    border-top: 1px solid var(--neural-border);
    padding: 40px 0;
    position: relative;
    z-index: 0;
    clear: both;
}

/* Ensure blog page footer stays at bottom, not overlapping content */
.blog-page ~ footer,
.blog-page ~ .neural-footer {
    position: relative;
    z-index: 0;
    margin-top: 0;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn-neural-primary {
    background: linear-gradient(135deg, var(--synapse-cyan) 0%, var(--synapse-teal) 100%);
    color: var(--neural-void);
    font-weight: 600;
    padding: 16px 32px;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s var(--ease-out-expo);
    box-shadow: 0 4px 20px rgba(138, 180, 248, 0.3);
    text-decoration: none;
}

.btn-neural-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(138, 180, 248, 0.4);
    color: var(--neural-void);
}

.btn-neural-outline {
    background: transparent;
    color: var(--text-primary);
    font-weight: 500;
    padding: 16px 32px;
    border-radius: 12px;
    border: 1px solid var(--neural-border-strong);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s var(--ease-out-expo);
    text-decoration: none;
}

.btn-neural-outline:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary-glow);
    color: var(--accent-primary);
}

.btn-neural-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card-neural {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.85) 0%, rgba(10, 15, 26, 0.9) 100%);
    border: 1px solid var(--neural-border);
    border-radius: 18px;
    padding: 32px;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.card-neural::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--synapse-cyan) 0%, var(--synapse-teal) 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out-expo);
}

.card-neural:hover {
    transform: translateY(-6px);
    border-color: var(--neural-border-strong);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.card-neural:hover::before {
    opacity: 1;
}

/* ==========================================================================
   FORM ELEMENTS - Neural Theme
   ========================================================================== */

.form-neural .form-control,
.neural-input {
    background: var(--neural-surface);
    border: 1px solid var(--neural-border);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 14px 16px;
    transition: all 0.3s var(--ease-out-expo);
}

.form-neural .form-control:focus,
.neural-input:focus {
    background: var(--neural-elevated);
    border-color: var(--synapse-cyan);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
    color: var(--text-primary);
    outline: none;
}

.form-neural .form-control::placeholder,
.neural-input::placeholder {
    color: var(--text-tertiary);
}

.form-neural .form-label,
.neural-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.form-neural .input-group-text,
.neural-input-icon {
    background: var(--neural-elevated);
    border: 1px solid var(--neural-border);
    color: var(--text-secondary);
}

.form-neural .form-check-input {
    background-color: var(--neural-surface);
    border-color: var(--neural-border-strong);
}

.form-neural .form-check-input:checked {
    background-color: var(--synapse-cyan);
    border-color: var(--synapse-cyan);
}

.form-neural .form-check-label {
    color: var(--text-secondary);
}

/* ==========================================================================
   SECTION STYLES
   ========================================================================== */

.section-neural {
    padding: 100px 0;
    position: relative;
}

.section-neural-dark {
    background: var(--neural-void);
}

.section-neural-light {
    background: var(--neural-deep);
}

.section-header-neural {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--accent-primary-glow);
    border: 1px solid rgba(138, 180, 248, 0.2);
    color: var(--accent-primary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.section-title-neural {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle-neural {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-neural {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--neural-void);
}

/* Atmospheric Background */
.hero-neural::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 20%, rgba(138, 180, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(197, 138, 249, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 80% 60%, rgba(120, 217, 236, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Grid Pattern Overlay */
.hero-neural::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(138, 180, 248, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(138, 180, 248, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-primary-glow);
    border: 1px solid rgba(138, 180, 248, 0.2);
    color: var(--accent-primary);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s var(--ease-out-expo);
}

.hero-badge i {
    color: var(--synapse-emerald);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--synapse-cyan) 0%, var(--synapse-teal) 50%, var(--synapse-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-trust {
    margin-top: 48px;
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.trust-item i {
    color: var(--synapse-emerald);
}

/* ==========================================================================
   AUTH PAGES (LOGIN/REGISTER)
   ========================================================================== */

.auth-neural {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--neural-void);
    position: relative;
    overflow: hidden;
}

.auth-neural::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 20%, rgba(138, 180, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(197, 138, 249, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.auth-neural::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(138, 180, 248, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(138, 180, 248, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.auth-card-neural {
    background: linear-gradient(180deg, rgba(21, 32, 43, 0.95) 0%, rgba(15, 20, 25, 0.98) 100%);
    border: 1px solid var(--neural-border);
    border-radius: 20px;
    padding: 48px;
    max-width: 480px;
    width: 100%;
    position: relative;
    z-index: 10;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.auth-card-neural::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--synapse-cyan) 0%, var(--synapse-teal) 50%, var(--synapse-violet) 100%);
    border-radius: 20px 20px 0 0;
}

.auth-logo-neural {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--synapse-cyan) 0%, var(--synapse-teal) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.auth-logo-neural i {
    color: var(--neural-void);
    font-size: 1.5rem;
}

.auth-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--neural-border);
}

.auth-divider span {
    padding: 0 16px;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.auth-link {
    color: var(--synapse-cyan);
    text-decoration: none;
    transition: color 0.2s;
}

.auth-link:hover {
    color: var(--synapse-teal);
}

.auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.auth-back-link:hover {
    color: var(--accent-primary);
}

/* ==========================================================================
   BLOG STYLES
   ========================================================================== */

/* Blog page specific layout */
.neurogen-main.blog-page {
    padding: 0;
    background: #0a0f1a;
    flex: 1 0 auto;
}

.blog-hero-neural {
    background: linear-gradient(180deg, #0f1419 0%, #15202b 100%);
    border-bottom: 1px solid rgba(136, 153, 166, 0.15);
    padding: 60px 0;
    position: relative;
    min-height: 200px;
}

/* Removed ::before pseudo-element that was covering content */

.blog-hero-neural .container {
    position: relative;
    z-index: 1;
}

/* Force hero content to be visible */
.blog-hero-neural .container * {
    visibility: visible !important;
    opacity: 1 !important;
}

.blog-hero-neural h1 {
    color: #ffffff !important;
}

.blog-hero-neural p {
    color: rgba(255, 255, 255, 0.7) !important;
}

.blog-card-neural {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.85) 0%, rgba(10, 15, 26, 0.9) 100%);
    border: 1px solid var(--neural-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
    height: 100%;
}

/* Blog page responsive styles */
@media (max-width: 992px) {
    .blog-page [style*="grid-template-columns: 2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .blog-page [style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr !important;
    }

    .blog-hero-neural {
        padding: 40px 0;
    }

    .blog-hero-neural h1 {
        font-size: 1.8rem !important;
    }
}

.blog-card-neural:hover {
    transform: translateY(-6px);
    border-color: var(--neural-border-strong);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.blog-card-neural .card-body {
    padding: 24px;
    color: var(--text-primary);
}

.blog-card-neural .card-title {
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 12px;
}

.blog-card-neural .card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.blog-meta-neural {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.blog-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.blog-tag-tutorial {
    background: rgba(129, 201, 149, 0.15);
    color: var(--synapse-emerald);
    border: 1px solid rgba(129, 201, 149, 0.3);
}

.blog-tag-case-study {
    background: rgba(120, 217, 236, 0.15);
    color: var(--synapse-teal);
    border: 1px solid rgba(120, 217, 236, 0.3);
}

.blog-tag-ai-dev {
    background: rgba(138, 180, 248, 0.15);
    color: var(--synapse-cyan);
    border: 1px solid rgba(138, 180, 248, 0.3);
}

.blog-tag-data-science {
    background: rgba(253, 214, 99, 0.15);
    color: var(--synapse-amber);
    border: 1px solid rgba(253, 214, 99, 0.3);
}

.blog-featured-neural {
    border-left: 3px solid var(--synapse-cyan);
    background: linear-gradient(135deg, rgba(138, 180, 248, 0.05) 0%, rgba(17, 24, 39, 0.85) 100%);
}

.blog-sidebar-card {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.85) 0%, rgba(10, 15, 26, 0.9) 100%);
    border: 1px solid var(--neural-border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 24px;
}

.blog-sidebar-card .card-header {
    background: var(--neural-elevated);
    border-bottom: 1px solid var(--neural-border);
    padding: 16px 20px;
    color: #fff;
    font-weight: 600;
}

.blog-sidebar-card .card-body {
    padding: 20px;
    color: var(--text-secondary);
}

.blog-sidebar-card .list-group-item {
    background: transparent;
    border-color: var(--neural-border, rgba(136, 153, 166, 0.15));
    color: var(--text-secondary, rgba(255, 255, 255, 0.7));
    padding: 12px 20px;
    transition: all 0.2s;
    border-left: none;
    border-right: none;
}

.blog-sidebar-card .list-group-item:first-child {
    border-top: none;
}

.blog-sidebar-card .list-group-item:last-child {
    border-bottom: none;
}

.blog-sidebar-card .list-group-item:hover {
    color: var(--accent-primary, #8ab4f8);
    background: rgba(138, 180, 248, 0.1);
    padding-left: 28px;
}

/* Fix list-group-flush styling in dark theme */
.blog-sidebar-card .list-group-flush {
    border-radius: 0;
}

.newsletter-neural {
    background: linear-gradient(135deg, rgba(138, 180, 248, 0.15) 0%, rgba(120, 217, 236, 0.1) 100%);
    border: 1px solid rgba(138, 180, 248, 0.3);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.newsletter-neural h3 {
    color: #fff;
    margin-bottom: 12px;
}

.newsletter-neural p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ==========================================================================
   STATS SECTION
   ========================================================================== */

.stats-neural {
    background: var(--neural-deep);
    border-top: 1px solid var(--neural-border);
    border-bottom: 1px solid var(--neural-border);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 991px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card-neural {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid var(--neural-border);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.stat-card-neural::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--synapse-cyan) 0%, var(--synapse-teal) 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out-expo);
}

.stat-card-neural:hover {
    transform: translateY(-4px);
    border-color: var(--neural-border-strong);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.stat-card-neural:hover::before {
    opacity: 1;
}

.stat-value-neural {
    font-family: var(--font-data);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--synapse-cyan);
    margin-bottom: 8px;
    font-feature-settings: 'tnum' 1;
}

.stat-label-neural {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* ==========================================================================
   ICON STYLES
   ========================================================================== */

.icon-neural {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.icon-neural.cyan {
    background: linear-gradient(135deg, rgba(138, 180, 248, 0.15) 0%, rgba(138, 180, 248, 0.05) 100%);
    color: var(--synapse-cyan);
}

.icon-neural.teal {
    background: linear-gradient(135deg, rgba(120, 217, 236, 0.15) 0%, rgba(120, 217, 236, 0.05) 100%);
    color: var(--synapse-teal);
}

.icon-neural.violet {
    background: linear-gradient(135deg, rgba(197, 138, 249, 0.15) 0%, rgba(197, 138, 249, 0.05) 100%);
    color: var(--synapse-violet);
}

.icon-neural.emerald {
    background: linear-gradient(135deg, rgba(129, 201, 149, 0.15) 0%, rgba(129, 201, 149, 0.05) 100%);
    color: var(--synapse-emerald);
}

.icon-neural.amber {
    background: linear-gradient(135deg, rgba(253, 214, 99, 0.15) 0%, rgba(253, 214, 99, 0.05) 100%);
    color: var(--synapse-amber);
}

.icon-neural.rose {
    background: linear-gradient(135deg, rgba(242, 139, 130, 0.15) 0%, rgba(242, 139, 130, 0.05) 100%);
    color: var(--synapse-rose);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-neural-primary { color: var(--text-primary); }
.text-neural-secondary { color: var(--text-secondary); }
.text-neural-tertiary { color: var(--text-tertiary); }
.text-synapse-cyan { color: var(--synapse-cyan); }
.text-synapse-teal { color: var(--synapse-teal); }
.text-synapse-emerald { color: var(--synapse-emerald); }
.text-synapse-amber { color: var(--synapse-amber); }
.text-synapse-rose { color: var(--synapse-rose); }
.text-synapse-violet { color: var(--synapse-violet); }

.bg-neural-void { background: var(--neural-void); }
.bg-neural-deep { background: var(--neural-deep); }
.bg-neural-surface { background: var(--neural-surface); }
.bg-neural-elevated { background: var(--neural-elevated); }

.border-neural { border-color: var(--neural-border); }
.border-neural-strong { border-color: var(--neural-border-strong); }

.gradient-text {
    background: linear-gradient(135deg, var(--synapse-cyan) 0%, var(--synapse-teal) 50%, var(--synapse-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .auth-card-neural {
        padding: 32px 24px;
        margin: 0 16px;
    }

    .section-title-neural {
        font-size: 2rem;
    }

    .btn-neural-primary,
    .btn-neural-outline {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}