/* =========================================================================
   PWM Rater — Complete Design System
   Dark glassmorphism UI for the PWM Phone Rating community
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Google Fonts
   ------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

/* -------------------------------------------------------------------------
   2. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------------------- */
:root {
    /* Colors */
    --clr-bg:           #08091a;
    --clr-surface:      #0f1124;
    --clr-surface-2:    #161829;
    --clr-surface-3:    #1e2038;
    --clr-border:       rgba(255,255,255,0.07);
    --clr-border-light: rgba(255,255,255,0.12);

    --clr-primary:      #3b82f6;
    --clr-primary-glow: rgba(59, 130, 246, 0.35);
    --clr-cyan:         #06b6d4;
    --clr-cyan-glow:    rgba(6, 182, 212, 0.3);
    --clr-amber:        #f59e0b;
    --clr-amber-glow:   rgba(245, 158, 11, 0.3);

    /* PWM rating colors */
    --clr-excellent:    #22c55e;
    --clr-good:         #84cc16;
    --clr-fair:         #f59e0b;
    --clr-poor:         #f97316;
    --clr-verypoor:     #ef4444;

    /* Text */
    --clr-text:         #e2e8f0;
    --clr-text-muted:   #94a3b8;
    --clr-text-faint:   #475569;

    /* Typography */
    --font-body:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading:     'Space Grotesk', sans-serif;

    /* Spacing */
    --space-xs:   4px;
    --space-sm:   8px;
    --space-md:   16px;
    --space-lg:   24px;
    --space-xl:   40px;
    --space-2xl:  64px;
    --space-3xl:  96px;

    /* Border radius */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast:   0.15s ease;
    --transition-base:   0.25s ease;
    --transition-slow:   0.4s ease;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.6);
    --shadow-glow-blue: 0 0 24px rgba(59,130,246,0.25);
    --shadow-glow-cyan: 0 0 24px rgba(6,182,212,0.25);

    /* Container */
    --container-max: 1280px;
    --container-pad: clamp(16px, 4vw, 48px);
}

/* -------------------------------------------------------------------------
   3. Base Styles
   ------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Subtle grid background texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

* { position: relative; z-index: 1; }

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

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

a:hover { color: var(--clr-cyan); }

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

ul, ol { list-style: none; }

/* -------------------------------------------------------------------------
   4. Layout Utilities
   ------------------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

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

/* -------------------------------------------------------------------------
   5. Navigation
   ------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(8, 9, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-border);
    padding: 0 var(--container-pad);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: var(--space-lg);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 0 16px rgba(59,130,246,0.5);
}

.site-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
}

.site-logo .logo-text span {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.main-nav a {
    color: var(--clr-text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.07);
}

.main-nav a.nav-cta {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    color: #fff;
    font-weight: 600;
    box-shadow: 0 0 16px rgba(59,130,246,0.4);
}

.main-nav a.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 24px rgba(59,130,246,0.6);
}

.nav-search {
    display: flex;
    align-items: center;
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    gap: 8px;
    transition: border-color var(--transition-fast);
}

.nav-search:focus-within { border-color: var(--clr-primary); }

.nav-search input {
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--clr-text);
    width: 180px;
}

.nav-search input::placeholder { color: var(--clr-text-faint); }

.nav-search .search-icon { color: var(--clr-text-faint); font-size: 14px; }

/* Mobile hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    padding: 8px;
    cursor: pointer;
    font-size: 18px;
}

/* -------------------------------------------------------------------------
   6. Hero Section
   ------------------------------------------------------------------------- */
.hero {
    padding: var(--space-3xl) var(--container-pad);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(59,130,246,0.18) 0%, rgba(6,182,212,0.1) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59,130,246,0.12);
    border: 1px solid rgba(59,130,246,0.3);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--clr-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--clr-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* -------------------------------------------------------------------------
   7. Buttons
   ------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    color: #fff;
    box-shadow: 0 4px 20px rgba(59,130,246,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(59,130,246,0.6);
    color: #fff;
}

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--clr-text);
    border: 1px solid var(--clr-border-light);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-1px);
    color: #fff;
}

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

.btn-outline:hover {
    background: rgba(59,130,246,0.12);
    color: var(--clr-primary);
}

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }

/* -------------------------------------------------------------------------
   8. Cards
   ------------------------------------------------------------------------- */
.card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

/* Glass card variant */
.card-glass {
    background: rgba(15, 17, 36, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
}

/* -------------------------------------------------------------------------
   9. Phone Card (archive listing)
   ------------------------------------------------------------------------- */
.phones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-lg);
}

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

.phone-card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(59,130,246,0.15);
}

.phone-card-image {
    background: linear-gradient(135deg, var(--clr-surface-2), var(--clr-surface-3));
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.phone-card-image img {
    height: 160px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-slow);
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.5));
}

.phone-card:hover .phone-card-image img {
    transform: scale(1.06) translateY(-4px);
}

.phone-device-visual {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--clr-text);
}

.phone-device-shell {
    width: 82px;
    aspect-ratio: 9/18.5;
    border-radius: 8px;
    padding: 8px 6px;
    background: linear-gradient(145deg, #111827, #334155);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 16px 32px rgba(0,0,0,0.45);
}

.phone-device-screen {
    width: 100%;
    height: 100%;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, rgba(59,130,246,0.72), rgba(34,197,94,0.5));
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    text-align: center;
    padding: 5px;
}

.phone-device-caption {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    max-width: 78%;
    text-align: center;
}

.phone-device-caption strong {
    color: var(--clr-primary);
    font-size: 11px;
    line-height: 1.2;
    text-transform: uppercase;
}

.phone-device-caption span {
    color: var(--clr-text-muted);
    font-size: 11px;
    line-height: 1.2;
}

.phone-thumb .phone-device-visual {
    gap: 0;
}

.phone-thumb .phone-device-shell {
    width: 28px;
    padding: 3px 2px;
    border-radius: 5px;
    box-shadow: none;
}

.phone-thumb .phone-device-screen {
    border-radius: 4px;
    font-size: 0;
}

.phone-thumb .phone-device-caption {
    display: none;
}

.phone-hero-image .phone-device-visual {
    min-height: 360px;
}

.phone-hero-image .phone-device-shell {
    width: 150px;
}

.phone-hero-image .phone-device-screen {
    font-size: 14px;
}

.phone-card-image .pwm-badge {
    position: absolute;
    top: 12px;
    right: 12px;
}

.phone-card-image .compare-wrap {
    position: absolute;
    top: 12px;
    left: 12px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.phone-card:hover .compare-wrap { opacity: 1; }

.compare-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(8,9,26,0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--clr-border-light);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 12px;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.compare-checkbox-label:hover { color: #fff; }

.phone-card-body {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.phone-card-brand {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-primary);
}

.phone-card-name {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.phone-card-name a {
    color: inherit;
    text-decoration: none;
}

.phone-card-name a:hover { color: var(--clr-primary); }

.phone-card-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: auto;
}

.spec-chip {
    background: var(--clr-surface-2);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    font-size: 11px;
}

.spec-chip .spec-label {
    color: var(--clr-text-faint);
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.spec-chip .spec-value {
    color: var(--clr-text);
    font-weight: 600;
}

.phone-card-footer {
    padding: 12px var(--space-md);
    border-top: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* -------------------------------------------------------------------------
   10. PWM Badge & Meter
   ------------------------------------------------------------------------- */
.pwm-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pwm-badge.excellent { background: rgba(34,197,94,0.15); color: var(--clr-excellent); border: 1px solid rgba(34,197,94,0.3); }
.pwm-badge.good      { background: rgba(132,204,22,0.15); color: var(--clr-good);      border: 1px solid rgba(132,204,22,0.3); }
.pwm-badge.fair      { background: rgba(245,158,11,0.15); color: var(--clr-fair);      border: 1px solid rgba(245,158,11,0.3); }
.pwm-badge.poor      { background: rgba(249,115,22,0.15); color: var(--clr-poor);      border: 1px solid rgba(249,115,22,0.3); }
.pwm-badge.verypoor  { background: rgba(239,68,68,0.15);  color: var(--clr-verypoor);  border: 1px solid rgba(239,68,68,0.3); }

/* PWM Meter (animated bar) */
.pwm-meter {
    margin: var(--space-lg) 0;
}

.pwm-meter-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
}

.pwm-meter-label .meter-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pwm-meter-label .meter-value {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.pwm-bar-track {
    background: var(--clr-surface-3);
    border-radius: var(--radius-full);
    height: 10px;
    overflow: hidden;
}

.pwm-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    width: 0%; /* animated via JS */
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.pwm-bar-fill.excellent { background: linear-gradient(90deg, var(--clr-excellent), #4ade80); box-shadow: 0 0 8px var(--clr-excellent); }
.pwm-bar-fill.good      { background: linear-gradient(90deg, var(--clr-good), #a3e635); }
.pwm-bar-fill.fair      { background: linear-gradient(90deg, var(--clr-fair), #fbbf24); }
.pwm-bar-fill.poor      { background: linear-gradient(90deg, var(--clr-poor), #fb923c); }
.pwm-bar-fill.verypoor  { background: linear-gradient(90deg, var(--clr-verypoor), #f87171); box-shadow: 0 0 8px var(--clr-verypoor); }

.pwm-meter-description {
    font-size: 13px;
    color: var(--clr-text-muted);
    margin-top: 8px;
}

/* -------------------------------------------------------------------------
   11. Phone Detail Page
   ------------------------------------------------------------------------- */
.phone-hero {
    padding: var(--space-2xl) var(--container-pad);
    background: linear-gradient(180deg, var(--clr-surface) 0%, transparent 100%);
    border-bottom: 1px solid var(--clr-border);
}

.phone-hero-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.phone-hero-image {
    width: 280px;
    background: var(--clr-surface-2);
    border-radius: var(--radius-xl);
    border: 1px solid var(--clr-border);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 340px;
    flex-shrink: 0;
}

.phone-hero-image img {
    max-height: 280px;
    width: auto;
    filter: drop-shadow(0 12px 40px rgba(0,0,0,0.6));
}

.phone-hero-image .no-image-icon {
    font-size: 80px;
    opacity: 0.25;
    user-select: none;
}

.phone-hero-info {
    padding-top: var(--space-md);
}

.phone-brand-badge {
    display: inline-block;
    background: rgba(59,130,246,0.12);
    border: 1px solid rgba(59,130,246,0.25);
    color: var(--clr-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.phone-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.phone-meta-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.phone-year-chip {
    background: var(--clr-surface-3);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: 12px;
    color: var(--clr-text-muted);
    font-weight: 600;
}

.phone-price-chip {
    background: var(--clr-surface-3);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: 12px;
    color: var(--clr-text-muted);
    font-weight: 600;
}

/* Specs table */
.specs-section {
    margin: var(--space-xl) 0;
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--clr-border);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}

.spec-item {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: border-color var(--transition-fast);
}

.spec-item:hover { border-color: var(--clr-border-light); }

.spec-item-icon {
    font-size: 20px;
    margin-bottom: 8px;
    display: block;
}

.spec-item-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-text-faint);
    margin-bottom: 4px;
}

.spec-item-value {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.spec-item-unit {
    font-size: 13px;
    color: var(--clr-text-muted);
    font-weight: 400;
}

/* DC Dimming highlight */
.spec-item.highlight-good { border-color: rgba(34,197,94,0.3); background: rgba(34,197,94,0.05); }
.spec-item.highlight-bad  { border-color: rgba(239,68,68,0.2); }

/* -------------------------------------------------------------------------
   12. Ranking Page
   ------------------------------------------------------------------------- */
.ranking-table {
    width: 100%;
    border-collapse: collapse;
}

.ranking-table th {
    background: var(--clr-surface-2);
    padding: 14px 16px;
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--clr-text-faint);
    font-weight: 700;
    border-bottom: 2px solid var(--clr-border);
}

.ranking-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.ranking-table th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }

.ranking-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--clr-border);
    vertical-align: middle;
}

.ranking-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.rank-number {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--clr-text-faint);
    min-width: 40px;
    text-align: center;
}

.rank-number.top-1 { color: #ffd700; }
.rank-number.top-2 { color: #c0c0c0; }
.rank-number.top-3 { color: #cd7f32; }

.phone-name-cell {
    display: flex;
    align-items: center;
    gap: 14px;
}

.phone-thumb {
    width: 52px;
    height: 52px;
    background: var(--clr-surface-2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid var(--clr-border);
}

.phone-thumb img { object-fit: contain; width: 100%; height: 100%; }
.phone-thumb .no-img-icon { font-size: 24px; opacity: 0.3; }

.phone-name-link {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.phone-name-link:hover { color: var(--clr-primary); }

.phone-brand-small {
    font-size: 12px;
    color: var(--clr-text-faint);
}

/* -------------------------------------------------------------------------
   13. Filter Sidebar
   ------------------------------------------------------------------------- */
.archive-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.filter-sidebar {
    position: sticky;
    top: 84px;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.filter-section {
    margin-bottom: var(--space-lg);
}

.filter-section:last-child { margin-bottom: 0; }

.filter-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--clr-text-faint);
    font-weight: 700;
    margin-bottom: 10px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    color: var(--clr-text-muted);
    transition: all var(--transition-fast);
    user-select: none;
}

.filter-option:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}

.filter-option input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--clr-border-light);
    border-radius: 4px;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.filter-option input[type="checkbox"]:checked {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
}

.filter-option input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
}

/* Search in archive */
.archive-search {
    display: flex;
    align-items: center;
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    gap: 10px;
    margin-bottom: var(--space-lg);
    transition: border-color var(--transition-fast);
}

.archive-search:focus-within { border-color: var(--clr-primary); }

.archive-search input {
    background: none;
    border: none;
    outline: none;
    font-size: 15px;
    color: var(--clr-text);
    width: 100%;
    font-family: var(--font-body);
}

.archive-search .search-icon { color: var(--clr-text-faint); }

/* Sort controls */
.archive-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.sort-select {
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    font-size: 14px;
    padding: 8px 32px 8px 12px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    font-family: var(--font-body);
}

.results-count {
    font-size: 14px;
    color: var(--clr-text-faint);
}

.results-count strong { color: var(--clr-text); }

/* -------------------------------------------------------------------------
   14. Compare Bar (floating)
   ------------------------------------------------------------------------- */
#compare-bar {
    display: none;
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15,17,36,0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--clr-border-light);
    border-radius: var(--radius-xl);
    padding: 14px 20px;
    display: none;
    align-items: center;
    gap: var(--space-md);
    z-index: 9000;
    box-shadow: 0 8px 40px rgba(0,0,0,0.8), 0 0 0 1px rgba(59,130,246,0.2);
    white-space: nowrap;
    flex-wrap: wrap;
    max-width: 90vw;
    justify-content: center;
    font-size: 14px;
    color: var(--clr-text-muted);
}

.compare-tag {
    background: rgba(59,130,246,0.12);
    border: 1px solid rgba(59,130,246,0.25);
    color: var(--clr-primary);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.remove-compare {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    opacity: 0.7;
}

.remove-compare:hover { opacity: 1; }

.btn-compare-go {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    color: #fff;
    padding: 8px 18px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: 0 0 16px rgba(59,130,246,0.4);
}

.btn-compare-go:hover { transform: translateY(-1px); color: #fff; }

/* -------------------------------------------------------------------------
   15. Compare Page
   ------------------------------------------------------------------------- */
.compare-columns {
    display: grid;
    gap: var(--space-lg);
}

.compare-column-header {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

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

.compare-table th,
.compare-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--clr-border);
    text-align: left;
    font-size: 14px;
}

.compare-table th {
    width: 160px;
    background: var(--clr-surface-2);
    color: var(--clr-text-faint);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.compare-table td { background: var(--clr-surface); }

.compare-table tr:hover th,
.compare-table tr:hover td { background: var(--clr-surface-3); }

/* -------------------------------------------------------------------------
   16. Comments / Discussion
   ------------------------------------------------------------------------- */
.comments-section {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--clr-border);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--clr-border);
}

.comment-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: #fff;
    flex-shrink: 0;
    overflow: hidden;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.comment-author {
    font-weight: 700;
    color: #fff;
    font-size: 14px;
}

.comment-date {
    color: var(--clr-text-faint);
    font-size: 12px;
}

.comment-text {
    color: var(--clr-text);
    font-size: 15px;
    line-height: 1.65;
}

/* Comment form */
.comment-form-wrap {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--space-md);
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-text-muted);
}

.form-input,
.form-textarea {
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--clr-text);
    font-family: var(--font-body);
    font-size: 15px;
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

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

/* -------------------------------------------------------------------------
   17. Sections
   ------------------------------------------------------------------------- */
.section {
    padding: var(--space-2xl) var(--container-pad);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-eyebrow {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--clr-primary);
    margin-bottom: var(--space-sm);
}

.section-heading {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.section-intro {
    font-size: 17px;
    color: var(--clr-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* -------------------------------------------------------------------------
   18. PWM Info / Explainer
   ------------------------------------------------------------------------- */
.explainer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.explainer-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.explainer-card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-4px);
}

.explainer-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--space-md);
}

.explainer-icon.blue   { background: rgba(59,130,246,0.15); }
.explainer-icon.cyan   { background: rgba(6,182,212,0.15); }
.explainer-icon.amber  { background: rgba(245,158,11,0.15); }
.explainer-icon.green  { background: rgba(34,197,94,0.15); }

.explainer-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.explainer-card p {
    font-size: 14px;
    color: var(--clr-text-muted);
    line-height: 1.65;
}

/* -------------------------------------------------------------------------
   19. Footer
   ------------------------------------------------------------------------- */
.site-footer {
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    padding: var(--space-2xl) var(--container-pad) var(--space-xl);
    margin-top: var(--space-2xl);
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

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

.footer-brand p {
    font-size: 14px;
    color: var(--clr-text-muted);
    max-width: 280px;
    line-height: 1.65;
    margin-top: var(--space-sm);
}

.footer-col h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--clr-text-faint);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--clr-text-muted);
    font-size: 14px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--clr-border);
    font-size: 13px;
    color: var(--clr-text-faint);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-disclaimer {
    font-size: 12px;
    color: var(--clr-text-faint);
    margin-top: var(--space-sm);
    line-height: 1.5;
}

/* -------------------------------------------------------------------------
   20. Toast Notification
   ------------------------------------------------------------------------- */
.pwm-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border-light);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-size: 14px;
    color: var(--clr-text);
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.pwm-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* -------------------------------------------------------------------------
   21. Page Header
   ------------------------------------------------------------------------- */
.page-header {
    padding: var(--space-2xl) var(--container-pad) var(--space-xl);
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-surface);
}

.page-header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.page-header h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.page-header p {
    color: var(--clr-text-muted);
    font-size: 16px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--clr-text-faint);
    margin-bottom: var(--space-md);
}

.breadcrumb a { color: var(--clr-text-faint); text-decoration: none; }
.breadcrumb a:hover { color: var(--clr-primary); }
.breadcrumb .sep { font-size: 10px; }

/* -------------------------------------------------------------------------
   22. No-results state
   ------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.empty-state-icon { font-size: 64px; margin-bottom: var(--space-lg); opacity: 0.5; }
.empty-state h3 { font-size: 22px; margin-bottom: var(--space-sm); }
.empty-state p { color: var(--clr-text-muted); }

/* -------------------------------------------------------------------------
   23. Animations
   ------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; }
    50%       { opacity: 1; }
}

.fade-in-up { animation: fadeInUp 0.5s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* -------------------------------------------------------------------------
   24. Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .phone-hero-inner { grid-template-columns: 1fr; }
    .phone-hero-image { width: 100%; max-width: 320px; margin: 0 auto; }
    .archive-layout { grid-template-columns: 1fr; }
    .filter-sidebar { position: static; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .nav-toggle { display: flex; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }

    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { gap: var(--space-lg); }

    .comment { grid-template-columns: 36px 1fr; }
    .comment-form .form-row { grid-template-columns: 1fr; }

    .ranking-table th:nth-child(n+5),
    .ranking-table td:nth-child(n+5) { display: none; }

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

@media (max-width: 480px) {
    .phones-grid { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: 1fr 1fr; }
}