/* =========================================================
   PREMIUM CONTENT PAGES
   Shared look for long-form informational pages (Technology,
   Aquaculture Oxygenation, RAS & Biofloc Oxygenation, ...).
   Brand tokens match Home's TechnologySection / WhyOxygenSection:
   navy #1A2C54 / #0B1F33, teal #3D8FB5, cyan accent #2de0e5.
   ========================================================= */

.cp-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0B1F33 0%, #1A2C54 60%, #3D8FB5 150%);
    color: #fff;
    padding: 3.5rem 1.5rem 3.25rem;
    margin-bottom: 3rem;
}

.cp-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 88% 12%, rgba(45, 224, 229, 0.20), transparent 42%),
        radial-gradient(circle at 6% 95%, rgba(61, 143, 181, 0.28), transparent 45%);
    pointer-events: none;
}

.cp-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1320px;
    margin: 0 auto;
}

.cp-kicker {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7fe9ee;
    margin-bottom: 0.9rem;
}

.cp-title {
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.18;
    margin-bottom: 1.1rem;
    color: #fff;
}

.cp-lead {
    font-size: 1.08rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    max-width: 100%;
    margin: 0;
}

.cp-body {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
}

/* Numbered steps (used where content is a sequence, e.g. "1. Draw and shear") */
.cp-step {
    display: flex;
    gap: 1.25rem;
    padding: 1.6rem 0;
    border-bottom: 1px solid #e7ebf0;
}

.cp-step:first-of-type {
    padding-top: 0;
}

.cp-step:last-of-type {
    border-bottom: none;
}

.cp-step-num {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: #1A2C54;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.05rem;
}

.cp-step-body h2 {
    color: #1A2C54;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.cp-step-body p {
    color: #3a3a3a;
    line-height: 1.65;
    margin: 0;
}

/* Plain sections (question / answer style, e.g. "Why dissolved oxygen matters") */
.cp-section {
    padding: 1.75rem 0;
    border-bottom: 1px solid #e7ebf0;
}

.cp-section:first-of-type {
    padding-top: 0;
}

.cp-section:last-of-type {
    border-bottom: none;
}

.cp-section h2 {
    color: #1A2C54;
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}

.cp-section p {
    color: #3a3a3a;
    line-height: 1.7;
    margin: 0;
}

/* Highlighted comparison / callout block */
.cp-callout {
    background: linear-gradient(160deg, #ffffff 0%, #eaf4fa 100%);
    border: 1px solid rgba(61, 143, 181, 0.18);
    border-radius: 1rem;
    padding: 1.85rem 2rem;
    margin: 2rem 0;
}

.cp-callout h2 {
    color: #1A2C54;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}

.cp-callout p {
    color: #3a3a3a;
    line-height: 1.7;
    margin: 0;
}

/* Related-links card grid (replaces bare <ul><li><a>) */
.cp-link-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0 0;
    padding: 0;
}

.cp-link-grid li {
    margin: 0;
}

.cp-link-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    height: 100%;
    padding: 1rem 1.15rem;
    border-radius: 0.85rem;
    background: #f6f9fb;
    border: 1px solid #e7ebf0;
    color: #1A2C54;
    text-decoration: none;
    font-weight: 600;
    line-height: 1.4;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.cp-link-card i {
    flex-shrink: 0;
    color: #3D8FB5;
    font-size: 1.15rem;
}

.cp-link-card:hover {
    border-color: #3D8FB5;
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(26, 44, 84, 0.10);
    color: #1A2C54;
}

/* Inline pill link row (footer "see also" links) */
.cp-links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.75rem;
}

.cp-links-row a {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1.1rem;
    border-radius: 2rem;
    background: #f6f9fb;
    border: 1px solid #e7ebf0;
    color: #1A2C54;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.cp-links-row a:hover {
    background: #ffffff;
    border-color: #3D8FB5;
    box-shadow: 0 6px 16px rgba(26, 44, 84, 0.10);
    color: #1A2C54;
}

/* CTA banner */
.cp-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    background: linear-gradient(135deg, #1A2C54, #0B1F33);
    color: #fff;
    border-radius: 1rem;
    padding: 1.85rem 2.15rem;
    margin: 2.25rem 0 0.5rem;
}

.cp-cta p {
    margin: 0;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.92);
}

.cp-cta-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #2de0e5;
    color: #00121d;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.cp-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(45, 224, 229, 0.35);
    color: #00121d;
}

@media (max-width: 640px) {
    .cp-hero {
        padding: 2.5rem 1.25rem 2.25rem;
        margin-bottom: 2rem;
    }

    .cp-body {
        padding: 0 1.25rem 2.25rem;
    }

    .cp-step {
        gap: 1rem;
    }

    .cp-step-num {
        width: 2.1rem;
        height: 2.1rem;
        font-size: 0.95rem;
    }

    .cp-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.6rem 1.5rem;
    }

    .cp-cta-btn {
        width: 100%;
        justify-content: center;
    }
}