/* ============================================
   SpecCompare - Smartphone Review Site
   Design System: Acid Neon + Editorial
   ============================================ */

/* CSS Variables */
:root {
    /* Acid Neon Palette */
    --neon-lime: #CCFF00;
    --neon-pink: #FF3CAC;
    --neon-purple: #784BA0;
    --dark-bg: #0D0D0D;
    --darker-bg: #080808;
    --card-bg: #1A1A1A;
    --card-bg-hover: #252525;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --border-color: #2A2A2A;
    
    /* Typography */
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--neon-lime), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-lime);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--neon-lime);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--neon-pink);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--neon-purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(30px, 50px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(204, 255, 0, 0.1);
    border: 1px solid rgba(204, 255, 0, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neon-lime);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
    background: linear-gradient(135deg, var(--neon-lime), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--neon-lime);
    color: var(--dark-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(204, 255, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--neon-lime);
    color: var(--neon-lime);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Search Section
   ============================================ */
.search-section {
    padding: var(--space-2xl) 0;
    background: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
}

.search-box {
    position: relative;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 3.5rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--neon-lime);
    box-shadow: 0 0 0 4px rgba(204, 255, 0, 0.1);
}

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

.search-btn {
    position: absolute;
    right: var(--space-xs);
    top: 50%;
    transform: translateY(-50%);
    padding: var(--space-sm) var(--space-md);
    background: var(--neon-lime);
    color: var(--dark-bg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.search-btn:hover {
    background: #b8e600;
}

.quick-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.filter-chip {
    padding: var(--space-xs) var(--space-md);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-chip:hover,
.filter-chip.active {
    background: var(--neon-lime);
    border-color: var(--neon-lime);
    color: var(--dark-bg);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 60, 172, 0.1);
    border: 1px solid rgba(255, 60, 172, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neon-pink);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Phones Section
   ============================================ */
.phones-section {
    padding: var(--space-3xl) 0;
}

.phones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.phone-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.phone-card:hover {
    transform: translateY(-8px);
    border-color: var(--neon-lime);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-image {
    position: relative;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.phone-image img {
    width: 60%;
    height: auto;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

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

.phone-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 4px 12px;
    background: var(--neon-lime);
    color: var(--dark-bg);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.phone-badge.new {
    background: var(--neon-pink);
    color: var(--text-primary);
}

.phone-content {
    padding: var(--space-md);
}

.phone-brand {
    font-size: 0.875rem;
    color: var(--neon-lime);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.phone-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.phone-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.phone-spec {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--darker-bg);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.phone-spec-icon {
    font-size: 0.875rem;
}

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

.phone-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-lime);
}

.phone-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.phone-rating span {
    color: #FFD700;
}

/* ============================================
   Compare Section
   ============================================ */
.compare-section {
    padding: var(--space-3xl) 0;
    background: var(--darker-bg);
}

.compare-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.compare-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.compare-slot {
    aspect-ratio: 1;
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.compare-slot:hover {
    border-color: var(--neon-lime);
    background: rgba(204, 255, 0, 0.05);
}

.slot-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
}

.slot-icon {
    font-size: 2rem;
    font-weight: 300;
}

.slot-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.slot-filled {
    width: 100%;
    height: 100%;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.slot-image {
    width: 60%;
    height: auto;
    object-fit: contain;
    margin-bottom: var(--space-sm);
}

.slot-name {
    font-weight: 600;
    text-align: center;
    font-size: 0.875rem;
}

.slot-remove {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 28px;
    height: 28px;
    background: rgba(255, 60, 172, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-pink);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.slot-remove:hover {
    background: var(--neon-pink);
    color: var(--text-primary);
}

.compare-btn {
    width: 100%;
    padding: var(--space-md);
    font-size: 1.125rem;
}

.compare-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.compare-results {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.compare-table-container {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.compare-table th {
    background: var(--darker-bg);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.compare-table tr:hover td {
    background: rgba(204, 255, 0, 0.05);
}

.compare-table .winner {
    color: var(--neon-lime);
    font-weight: 600;
}

/* ============================================
   Processors Section
   ============================================ */
.processors-section {
    padding: var(--space-3xl) 0;
}

.processors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.processor-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.processor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-lime), var(--neon-pink));
}

.processor-card:hover {
    transform: translateY(-4px);
    border-color: var(--neon-lime);
}

.processor-card.flagship::before {
    background: linear-gradient(90deg, var(--neon-lime), #00ff88);
}

.processor-card.midrange::before {
    background: linear-gradient(90deg, #ffaa00, var(--neon-pink));
}

.processor-tier {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(204, 255, 0, 0.1);
    border: 1px solid rgba(204, 255, 0, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--neon-lime);
    margin-bottom: var(--space-md);
}

.processor-card.midrange .processor-tier {
    background: rgba(255, 170, 0, 0.1);
    border-color: rgba(255, 170, 0, 0.3);
    color: #ffaa00;
}

.processor-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.processor-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.processor-score {
    margin-bottom: var(--space-md);
}

.score-bar {
    height: 8px;
    background: var(--darker-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-lime), var(--neon-pink));
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.score-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neon-lime);
}

.processor-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
}

.processor-specs li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding-left: var(--space-sm);
    position: relative;
}

.processor-specs li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--neon-lime);
}

/* ============================================
   UI Section
   ============================================ */
.ui-section {
    padding: var(--space-3xl) 0;
    background: var(--darker-bg);
}

.ui-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.ui-tab {
    padding: var(--space-sm) var(--space-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.ui-tab:hover {
    border-color: var(--neon-lime);
    color: var(--text-primary);
}

.ui-tab.active {
    background: var(--neon-lime);
    border-color: var(--neon-lime);
    color: var(--dark-bg);
}

.ui-content {
    max-width: 1000px;
    margin: 0 auto;
}

.ui-panel {
    display: none;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
    align-items: start;
}

.ui-panel.active {
    display: grid;
}

.ui-visual {
    position: sticky;
    top: 100px;
}

.phone-mockup {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    aspect-ratio: 9/19;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-xs);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    border-radius: calc(var(--radius-xl) - 4px);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ios-grid,
.android-grid,
.oneui-grid,
.oxygen-grid,
.miui-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
    padding: var(--space-md);
    width: 100%;
}

.ios-app,
.android-app,
.oneui-app,
.oxygen-app,
.miui-app {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.ios-app {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 22%;
}

.android-app {
    background: linear-gradient(135deg, #4285f4, #34a853);
    border-radius: 50%;
}

.oneui-app {
    background: linear-gradient(135deg, #1428a0, #00b4d8);
    border-radius: 30%;
}

.oxygen-app {
    background: linear-gradient(135deg, #f04e23, #eb001b);
    border-radius: var(--radius-md);
}

.miui-app {
    background: linear-gradient(135deg, #ff6900, #ff9500);
    border-radius: 35%;
}

.ui-details h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.ui-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.ui-ratings {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.ui-rating {
    display: grid;
    grid-template-columns: 120px 1fr 50px;
    align-items: center;
    gap: var(--space-md);
}

.rating-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.rating-bar {
    height: 6px;
    background: var(--darker-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.rating-bar div {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-lime), var(--neon-pink));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.rating-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neon-lime);
    text-align: right;
}

.ui-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.pros h4,
.cons h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.pros h4 {
    color: #00ff88;
}

.cons h4 {
    color: var(--neon-pink);
}

.pros ul,
.cons ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pros li,
.cons li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding-left: var(--space-md);
    position: relative;
}

.pros li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff88;
}

.cons li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--neon-pink);
}

/* ============================================
   Newsletter Section
   ============================================ */
.newsletter-section {
    padding: var(--space-3xl) 0;
}

.newsletter-card {
    background: linear-gradient(135deg, rgba(204, 255, 0, 0.1), rgba(255, 60, 172, 0.1));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.newsletter-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.newsletter-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-md);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--neon-lime);
}

.newsletter-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-icon {
    font-size: 8rem;
    opacity: 0.3;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--neon-lime);
    border-color: var(--neon-lime);
    color: var(--dark-bg);
}

.footer-links h4 {
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-lime);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Modal
   ============================================ */
.phone-selector-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    background: var(--darker-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--neon-pink);
    color: var(--text-primary);
}

.modal-search {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-search input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
}

.modal-search input:focus {
    outline: none;
    border-color: var(--neon-lime);
}

.modal-phones {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.modal-phone-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-phone-item:hover {
    background: var(--darker-bg);
}

.modal-phone-item img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    background: var(--dark-bg);
    border-radius: var(--radius-sm);
}

.modal-phone-info {
    flex: 1;
}

.modal-phone-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.modal-phone-brand {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .ui-panel {
        grid-template-columns: 1fr;
    }
    
    .ui-visual {
        position: relative;
        top: 0;
        margin-bottom: var(--space-lg);
    }
    
    .phone-mockup {
        max-width: 200px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .compare-slots {
        grid-template-columns: 1fr;
    }
    
    .compare-slot {
        aspect-ratio: 3/1;
    }
    
    .ui-rating {
        grid-template-columns: 100px 1fr 40px;
        gap: var(--space-sm);
    }
    
    .ui-pros-cons {
        grid-template-columns: 1fr;
    }
    
    .newsletter-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }
    
    .phones-grid,
    .processors-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-filters {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--space-sm);
    }
    
    .filter-chip {
        white-space: nowrap;
    }
}

/* ============================================
   Animations
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .phone-card,
    .processor-card {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.5s ease forwards;
    }
    
    .phone-card:nth-child(1) { animation-delay: 0.1s; }
    .phone-card:nth-child(2) { animation-delay: 0.2s; }
    .phone-card:nth-child(3) { animation-delay: 0.3s; }
    .phone-card:nth-child(4) { animation-delay: 0.4s; }
    .phone-card:nth-child(5) { animation-delay: 0.5s; }
    .phone-card:nth-child(6) { animation-delay: 0.6s; }
    
    .processor-card:nth-child(1) { animation-delay: 0.1s; }
    .processor-card:nth-child(2) { animation-delay: 0.2s; }
    .processor-card:nth-child(3) { animation-delay: 0.3s; }
    .processor-card:nth-child(4) { animation-delay: 0.4s; }
    .processor-card:nth-child(5) { animation-delay: 0.5s; }
    .processor-card:nth-child(6) { animation-delay: 0.6s; }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

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