/* Fonts + color system from HTML mockup */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --pf-bg-dark: #050816;
    --pf-bg-panel: rgba(15, 23, 42, 0.85);
    --pf-border-light: rgba(148, 163, 184, 0.3);

    --pf-primary: #2596be;                    /* brand blue */
    --pf-primary-glow: rgba(37, 150, 190, 0.50);
    --pf-accent-green: #fbbf24;               /* amber accent for “good” badges/text */

    --pf-text-main: #f9fafb;
    --pf-text-muted: #cbd5f5;

    --pf-font-head: 'Space Grotesk', sans-serif;
    --pf-font-body: 'Inter', sans-serif;
    --pf-font-mono: 'JetBrains Mono', monospace;
}

.pf-wrap * { box-sizing: border-box; }

.pf-wrap {
    background-color: var(--pf-bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(37, 150, 190, 0.20), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(251, 191, 36, 0.10), transparent 25%);
    color: var(--pf-text-main);
    font-family: var(--pf-font-body);
    line-height: 1.5;
    padding-bottom: 60px;
}

/* UTILITIES */
.pf-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.pf-mono { font-family: var(--pf-font-mono); letter-spacing: -0.5px; }
.pf-gradient-text {
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}
.pf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--pf-font-head);
    border: none;
}
.pf-btn-glow {
    background: var(--pf-primary);
    color: #fff !important;
    box-shadow: 0 0 20px var(--pf-primary-glow);
    border: 1px solid rgba(255,255,255,0.1);
}
.pf-btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--pf-primary-glow);
}
.pf-btn-outline {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--pf-border-light);
    color: var(--pf-text-muted) !important;
}
.pf-btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: #fff !important;
}

/* HERO HEADER */
.pf-hero-header {
    padding: 60px 0 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
}
.pf-hero-title h1 {
    font-family: var(--pf-font-head);
    font-size: 3.5rem;
    line-height: 1.1;
    margin: 0 0 15px 0;
    color: #fff;
}
.pf-hero-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.pf-tag {
    background: rgba(37, 150, 190, 0.10);
    color: #cbd5f5;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(37, 150, 190, 0.38);
    text-transform: uppercase;
}

/* METRICS GRID */
.pf-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 60px;
}
.pf-metric-card {
    background: var(--pf-bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--pf-border-light);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}
.pf-metric-label {
    font-size: 0.8rem;
    color: var(--pf-text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.pf-metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--pf-font-mono);
    color: #fff;
    overflow-wrap: anywhere;
}
.pf-metric-sub {
    font-size: 0.75rem;
    color: var(--pf-accent-green);
    margin-top: auto;
    padding-top: 10px;
}

/* STICKY NAV */
.pf-sticky-bar {
    position: sticky;
    top: 20px;
    z-index: 100;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--pf-border-light);
    border-radius: 50px;
    padding: 8px;
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 40px;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}
.pf-nav-pill {
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--pf-text-muted);
    text-decoration: none;
    transition: 0.3s;
    white-space: nowrap;
}
.pf-nav-pill:hover,
.pf-nav-pill.active {
    background: #fff;
    color: #000;
    font-weight: 600;
}

/* BENTO GRID */
.pf-bento-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.pf-panel {
    background: var(--pf-bg-panel);
    border: 1px solid var(--pf-border-light);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
}
.pf-panel h2 {
    font-family: var(--pf-font-head);
    font-size: 1.5rem;
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
.pf-panel h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--pf-primary);
    border-radius: 2px;
    display: block;
}

/* LISTS IN RULES */
.pf-tech-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.pf-tech-item {
    background: rgba(255,255,255,0.02);
    padding: 15px;
    border-radius: 8px;
    border-left: 1px solid var(--pf-border-light);
}
.pf-tech-item strong {
    display: block;
    color: #e2e8f0;
    margin-bottom: 4px;
}
.pf-tech-item span {
    font-size: 0.85rem;
    color: var(--pf-text-muted);
}

/* SPECS TABLE */
.pf-specs-table {
    width: 100%;
    border-collapse: collapse;
}
.pf-specs-table td {
    padding: 12px 0;
    border-bottom: 1px solid var(--pf-border-light);
    font-size: 0.95rem;
}
.pf-specs-table td:first-child {
    color: var(--pf-text-muted);
    width: 40%;
}
.pf-specs-table td:last-child {
    text-align: right;
    font-family: var(--pf-font-mono);
    color: #fff;
}

/* COMPARE SECTION */
.pf-compare-card {
    background: linear-gradient(145deg, #050b1e, #020617);
    border: 1px solid var(--pf-primary);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.pf-compare-content { position: relative; z-index: 2; }
.pf-vs-badge {
    background: var(--pf-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-style: italic;
    margin: 0 auto 20px;
    box-shadow: 0 0 20px var(--pf-primary-glow);
    color: #fff;
}
.pf-cmp-row {
    display:flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-bottom:1px solid rgba(255,255,255,0.05);
}
.pf-cmp-row:last-child {
    border-bottom:none;
}
.pf-cmp-row label {
    color: #cbd5e1;
    cursor:pointer;
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .pf-hero-header { grid-template-columns: 1fr; }
    .pf-metrics-grid { grid-template-columns: 1fr 1fr; }
    .pf-bento-grid { grid-template-columns: 1fr; }
    .pf-tech-list { grid-template-columns: 1fr; }
    .pf-sticky-bar {
        overflow-x: auto;
        max-width: 100%;
        justify-content: flex-start;
        border-radius: 0;
        background: var(--pf-bg-dark);
    }
}