/* ==========================================================================
   Practice / Capability pages — /air and /decarbonization.
   Card-driven layout (hero, services, industries, insights, CTA), translated
   from the approved mockups (practice-air-B-cards / practice-decarb-B-cards).
   Loaded via the head_css block on practice.html only.

   Theme is set with one switch: the page exposes --prac* custom properties.
   Air Quality = envera green (default); Decarbonization = amber, via the
   body.practice-nrg modifier. All accent colors below reference --prac*.
   Color tokens (green + amber) come from main.css :root.
   ========================================================================== */
.practice-page {
    --prac: var(--envera-green);
    --prac-dark: var(--envera-green-dark);
    --prac-light: var(--envera-green-light);
    --prac-dim: var(--envera-green-dim);
    --prac-cta-bg: #1f3010;          /* deep green CTA card */
}
.practice-page.practice-nrg {
    --prac: var(--amber);
    --prac-dark: var(--amber-dark);
    --prac-light: var(--amber-light);
    --prac-dim: var(--amber-dim);
    --prac-cta-bg: #2a1c05;          /* deep amber CTA card */
}

.practice-page .b-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 14px;
}

/* ── HERO (dark) ─────────────────────────────────────────────────────────── */
/* Clears the fixed 88px header; the solid white header (light-header) sits above. */
.b-hero {
    background: var(--gray-900);
    padding: calc(var(--nav-height) + 56px) 0 80px;
}
.b-hero .container { max-width: 920px; text-align: center; }
.b-hero .b-label { color: var(--prac-light); }
.b-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 4.5vw, 4.6rem);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 24px;
}
.b-hero h1 em { font-style: italic; color: var(--prac-light); }
.b-hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 36px;
}
.b-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.b-btns .btn-p {
    background: var(--prac);
    color: #fff;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}
.b-btns .btn-p:hover { background: var(--prac-light); transform: translateY(-2px); }
.b-btns .btn-g {
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.8);
    padding: 13px 26px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.2s, color 0.2s;
}
.b-btns .btn-g:hover { border-color: rgba(255, 255, 255, 0.6); color: #fff; }

/* ── SERVICES (cards) ────────────────────────────────────────────────────── */
.b-svc { padding: 96px 0; background: var(--off-white); }
.b-svc-head { text-align: center; margin-bottom: 56px; }
.b-svc-head .b-label { color: var(--prac-dark); }
.b-svc-head h2 {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 600;
    letter-spacing: -0.035em;
}
.svc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.svc-card {
    background: #fff;
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 36px;
    transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
}
.svc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--prac);
}
.svc-ic {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--prac-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.svc-ic svg { width: 24px; height: 24px; stroke: var(--prac-dark); }
.svc-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.svc-card p {
    font-size: 14.5px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ── INDUSTRIES / WHO THIS IS FOR (chips) ────────────────────────────────── */
.b-for { padding: 80px 0; background: #fff; }
.b-for-head { text-align: center; margin-bottom: 40px; }
.b-for-head .b-label { color: var(--prac-dark); }
.b-for-head h2 { font-family: var(--font-heading); font-size: 2rem; font-weight: 600; }
.for-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.for-chip {
    background: var(--off-white);
    border: 1px solid var(--gray-100);
    border-radius: 10px;
    padding: 24px 16px;
    text-align: center;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--gray-600);
}

/* ── INSIGHTS (article cards — real posts) ───────────────────────────────── */
.b-ins { padding: 96px 0; background: var(--off-white); border-top: 1px solid var(--gray-100); }
.b-ins-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 44px;
}
.b-ins-head h2 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 600; }
.b-ins-head .b-label { color: var(--prac-dark); }
.b-ins .viewall {
    font-size: 14px;
    font-weight: 600;
    color: var(--prac-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.ins-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ins-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.22s, box-shadow 0.22s;
}
.ins-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08); }
.ins-img { height: 160px; overflow: hidden; background: var(--prac-dim); }
.ins-img img { width: 100%; height: 100%; object-fit: cover; }
.ins-body { padding: 24px; }
.ins-tag {
    display: inline-block;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 100px;
    background: var(--prac-dim);
    color: var(--prac-dark);
    margin-bottom: 12px;
}
.ins-body h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--gray-900);
}
.ins-meta { font-size: 12px; color: var(--gray-600); }

/* ── PRE-FOOTER CTA BAND (themed) ────────────────────────────────────────── */
.b-cta { padding: 96px 0; background: #fff; }
.b-cta-band {
    background: var(--prac-cta-bg);
    border-radius: 16px;
    padding: 64px;
    text-align: center;
}
.b-cta-band h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
}
.b-cta-band p {
    color: rgba(255, 255, 255, 0.6);
    max-width: 440px;
    margin: 0 auto 26px;
    line-height: 1.6;
}
.b-cta-band a.btn-p {
    background: var(--prac);
    color: #fff;
    padding: 14px 32px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
    transition: background 0.2s, transform 0.2s;
}
.b-cta-band a.btn-p:hover { background: var(--prac-light); transform: translateY(-2px); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
    .for-grid { grid-template-columns: repeat(3, 1fr); }
    .ins-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .b-svc, .b-ins { padding: 64px 0; }
    .b-for { padding: 56px 0; }
    .b-cta { padding: 64px 0; }
    .svc-cards { grid-template-columns: 1fr; }
    .for-grid { grid-template-columns: repeat(2, 1fr); }
    .ins-cards { grid-template-columns: 1fr; }
    .b-svc-head h2 { font-size: 2.1rem; }
    .b-cta-band { padding: 48px 24px; }
}