/* =========================================================
   Models comparison page — dark navy/purple/blue AI SaaS
   ========================================================= */

:root {
    --cmp-bg: #090D14;
    --cmp-bg-soft: #0B1018;
    --cmp-surface: #141A28;
    --cmp-surface-2: #171D2E;
    --cmp-inner: #0D121C;
    --cmp-border: rgba(120, 130, 180, 0.16);
    --cmp-border-hover: rgba(124, 112, 255, 0.38);
    --cmp-accent-purple: #7C3AED;
    --cmp-accent-indigo: #6366F1;
    --cmp-accent-blue: #38BDF8;
    --cmp-text: #E2E8F0;
    --cmp-muted: #94A3B8;
    --cmp-radius: 18px;
    --cmp-radius-sm: 12px;
    --cmp-transition: 180ms ease;
}

.compare-page {
    position: relative;
    color: var(--cmp-text);
    min-height: 100vh;
    overflow: hidden;
}

.compare-hero {
    position: relative;
    padding: 4.5rem 1rem 3rem;
    text-align: center;
    color: inherit;
    overflow: hidden;
}

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

.compare-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.8rem;
    font-weight: 600;
    color: #c7d2fe;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.compare-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.75rem;
    color: transparent;
    background: linear-gradient(90deg, #8c82ff, #54a5ff);
    background-clip: text;
    -webkit-background-clip: text;
}

.compare-hero p {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 620px;
    margin: 0 auto 0;
    line-height: 1.6;
}

.compare-wrapper {
    position: relative;
    padding: 2rem 1rem 4rem;
    z-index: 1;
}

.compare-wrapper .container {
    position: relative;
    z-index: 1;
}

.compare-seo-intro {
    position: relative;
    z-index: 1;
    max-width: 920px;
    padding: 0 1rem 1rem;
    color: var(--cmp-muted);
    line-height: 1.7;
}

.compare-seo-intro h2 {
    margin-bottom: 0.75rem;
    color: var(--cmp-text);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

.compare-seo-intro p {
    margin: 0 0 0.65rem;
}

.compare-loading,
.compare-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--cmp-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--cmp-border);
    border-top-color: var(--cmp-accent-blue);
    border-radius: 50%;
    animation: cmp-spin 1s linear infinite;
}

@keyframes cmp-spin {
    to { transform: rotate(360deg); }
}

.compare-error p {
    color: #f87171;
    max-width: 480px;
}

.compare-table-wrap {
    background: var(--cmp-surface);
    border: 1px solid var(--cmp-border);
    border-radius: var(--cmp-radius);
    padding: 1.5rem;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}

.compare-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.compare-table {
    width: 100%;
    min-width: 640px;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
    padding: 1rem 0.875rem;
    border-bottom: 1px solid var(--cmp-border);
    vertical-align: middle;
    text-align: center;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    width: 160px;
    min-width: 160px;
    position: sticky;
    left: 0;
    background: var(--cmp-surface);
    z-index: 2;
    border-right: 1px solid var(--cmp-border);
}

.compare-table th {
    border-bottom: 1px solid var(--cmp-border-hover);
    color: var(--cmp-text);
    font-weight: 600;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-header-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
}

.compare-avatar {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--cmp-accent-purple), var(--cmp-accent-indigo));
    flex: 0 0 auto;
}

.compare-header-text {
    text-align: left;
}

.compare-model-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--cmp-text);
    line-height: 1.3;
}

.compare-provider {
    font-size: 0.75rem;
    color: var(--cmp-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 0.2rem;
}

.corner-cell {
    font-weight: 700;
    color: var(--cmp-text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.8rem;
}

.row-label {
    font-weight: 600;
    color: var(--cmp-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.compare-value {
    font-weight: 600;
    color: var(--cmp-text);
    font-size: 1.05rem;
}

.compare-badge {
    margin-left:5%;
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
    background: linear-gradient(135deg, var(--cmp-accent-purple), var(--cmp-accent-indigo));
}

.compare-table td.best-value {
    background: rgba(124, 58, 237, 0.08);
}

.compare-table td.best-value .compare-value {
    color: #a78bfa;
}

.compare-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
}

.compare-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--cmp-muted);
    background: var(--cmp-inner);
    border: 1px solid var(--cmp-border);
    transition: var(--cmp-transition);
}

.compare-tag.present {
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.35);
}

.compare-tag.present .fa-check {
    font-size: 0.65rem;
    color: #38bdf8;
    margin-left: 0.2rem;
}

.compare-actions {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--cmp-text);
    background: var(--cmp-inner);
    border: 1px solid var(--cmp-border);
    text-decoration: none;
    transition: var(--cmp-transition);
}

.btn-back:hover {
    border-color: var(--cmp-border-hover);
    background: rgba(124, 58, 237, 0.15);
    color: #fff;
}

@media (max-width: 767.98px) {
    .compare-seo-intro {
        padding: 0 1rem 0.5rem;
        font-size: 0.9rem;
    }
    .compare-hero {
        padding: 3.5rem 0.75rem 2rem;
    }
    .compare-hero h1 {
        font-size: clamp(1.75rem, 5vw, 2.25rem);
    }
    .compare-wrapper {
        padding: 1.5rem 0.75rem 3rem;
    }
    .compare-table-wrap {
        padding: 1rem;
        border-radius: var(--cmp-radius-sm);
    }
    .compare-table th,
    .compare-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }
    .compare-table th:first-child,
    .compare-table td:first-child {
        width: 120px;
        min-width: 120px;
    }
    .compare-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    .compare-model-name {
        font-size: 0.85rem;
    }
    .compare-provider {
        font-size: 0.65rem;
    }
    .compare-badge {
        font-size: 0.6rem;
    }
    .compare-tag {
        font-size: 0.65rem;
    }
}