/* ================================================================
       BUY-SIDE ADVISORY — page-scoped styles (bsa-)
       Short, confident page. Rhythm: green hero > white pricing pair >
       dark retainer band > sage mandate steps > green close.
       Fine rules, big serif prices, generous whitespace, quiet hovers.
       ================================================================ */

/* ---- Shared editorial heading kit ---- */
.bsa-eyebrow {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--forest);
    margin: 0 0 var(--space-sm);
}

.bsa-h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(30px, 3.8vw, 52px);
    line-height: 1.1;
    letter-spacing: -0.015em;
    color: var(--charcoal-deep);
    margin: 0 0 var(--space-md);
}

.bsa-h2 em {
    font-style: italic;
    color: var(--forest);
}

.bsa-lede {
    font-family: var(--font-body);
    font-size: clamp(15px, 1.5vw, 17.5px);
    line-height: 1.7;
    color: var(--charcoal-72);
    margin: 0;
    max-width: 56ch;
}

/* ---- 1. HERO — approved green gradient strip motif ---- */
.bsa-hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        repeating-linear-gradient(135deg, transparent 0 80px, rgba(255, 255, 255, 0.04) 80px 81px),
        linear-gradient(135deg, var(--forest) 0%, #3a6a31 50%, var(--charcoal-deep) 130%);
    padding: clamp(72px, 8vw, 124px) 0 clamp(56px, 7vw, 96px);
}

.bsa-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 70% at 88% 12%, rgba(29, 40, 48, 0.35) 0%, transparent 60%);
    pointer-events: none;
}

.bsa-hero .container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    text-align: left;
}

.bsa-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: clamp(22px, 2.6vw, 34px);
}

.bsa-hero-eyebrow::before {
    content: '';
    width: 30px;
    height: 1px;
    background: rgba(255, 255, 255, 0.55);
}

.bsa-hero h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(40px, 5.6vw, 82px);
    line-height: 1.04;
    letter-spacing: -0.02em;
    color: var(--white);
    max-width: 17ch;
    margin: 0 0 clamp(18px, 2vw, 26px);
}

.bsa-hero h1 em {
    font-style: italic;
    color: #cde5c2;
}

.bsa-hero-sub {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(16px, 1.5vw, 19px);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.84);
    max-width: 58ch;
    margin: 0 0 clamp(30px, 3.6vw, 44px);
}

.bsa-hero-actions {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2vw, 26px);
    flex-wrap: wrap;
    margin-bottom: clamp(52px, 6.5vw, 88px);
}

.bsa-hero-actions .btn-primary {
    background: var(--white);
    color: var(--forest);
    border-color: var(--white);
    white-space: nowrap;
}

.bsa-hero-quietlink {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 3px;
    transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.bsa-hero-quietlink:hover {
    color: var(--white);
    border-color: var(--white);
}

.bsa-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: 760px;
    border-top: 1px solid rgba(255, 255, 255, 0.24);
    padding-top: clamp(26px, 3.2vw, 42px);
}

.bsa-hero-stat {
    position: relative;
    padding-right: clamp(14px, 1.8vw, 28px);
}

.bsa-hero-stat+.bsa-hero-stat {
    padding-left: clamp(18px, 2.4vw, 36px);
}

.bsa-hero-stat+.bsa-hero-stat::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12%;
    height: 76%;
    width: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.bsa-hero-stat-value {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.2vw, 44px);
    color: var(--white);
    line-height: 1;
    letter-spacing: -0.01em;
    margin-bottom: 9px;
}

.bsa-hero-stat-value em {
    font-style: italic;
    color: #cde5c2;
}

.bsa-hero-stat-label {
    font-family: var(--font-body);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.62);
}

/* ---- 2. OFFERS — two-tier engagement spread ----
       Tier 1: light "start here" card. Tier 2: flagship mandate on the
       hero green gradient panel — wider column, deeper shadow, white serif. */
.bsa-offers {
    background: linear-gradient(180deg, var(--cloud) 0%, var(--white) 35%, var(--white) 100%);
    padding: var(--space-section) 0;
}

.bsa-offers .container {
    max-width: 1200px;
}

.bsa-offers-head {
    max-width: 720px;
    margin-bottom: clamp(40px, 5vw, 64px);
}

.bsa-pair {
    display: grid;
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    gap: clamp(20px, 2.6vw, 36px);
    align-items: center;
}

.bsa-tier {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out),
        border-color 0.3s var(--ease-out);
}

.bsa-tier:hover {
    transform: translateY(-4px);
}

/* Shared tier anatomy */
.bsa-tier-tag {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-body);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    margin: 0 0 clamp(22px, 2.6vw, 30px);
}

.bsa-tier-tag::after {
    content: '';
    flex: 1;
    height: 1px;
}

.bsa-tier-price {
    margin: 0 0 clamp(18px, 2.2vw, 26px);
}

.bsa-tier h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(23px, 2.4vw, 30px);
    line-height: 1.18;
    margin: 0 0 12px;
}

.bsa-tier-body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    margin: 0 0 clamp(20px, 2.4vw, 28px);
    max-width: 52ch;
}

.bsa-tier-listlabel {
    font-family: var(--font-body);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin: 0 0 4px;
}

.bsa-tier-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bsa-tier-list li {
    font-family: var(--font-body);
    font-size: 14.5px;
    line-height: 1.6;
    padding: 12px 0 12px 30px;
    position: relative;
}

.bsa-tier-list li::before {
    content: '\2713';
    position: absolute;
    left: 2px;
    top: 12px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
}

.bsa-tier-foot {
    margin-top: auto;
    padding-top: clamp(22px, 2.6vw, 30px);
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.bsa-tier-assure {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin: 0;
}

/* Tier 1 — free session: light, but rich */
.bsa-tier--free {
    background: var(--white);
    border: 1px solid var(--charcoal-12);
    box-shadow: var(--shadow-sm);
    padding: clamp(30px, 3.4vw, 48px) clamp(26px, 3vw, 44px);
}

.bsa-tier--free:hover {
    border-color: rgba(74, 124, 63, 0.45);
    box-shadow: var(--shadow-md);
}

.bsa-tier--free .bsa-tier-tag {
    color: var(--charcoal-42);
}

.bsa-tier--free .bsa-tier-tag::after {
    background: var(--charcoal-12);
}

.bsa-pill {
    display: inline-block;
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(21px, 2vw, 26px);
    line-height: 1;
    color: var(--white);
    background: var(--forest);
    padding: 10px 28px 13px;
    border-radius: 999px;
}

.bsa-tier--free h3 {
    color: var(--charcoal-deep);
}

.bsa-tier--free .bsa-tier-body {
    color: var(--charcoal-72);
}

.bsa-tier--free .bsa-tier-listlabel {
    color: var(--forest);
}

.bsa-tier--free .bsa-tier-list li {
    color: var(--charcoal-deep);
    border-bottom: 1px solid var(--charcoal-12);
}

.bsa-tier--free .bsa-tier-list li::before {
    color: var(--forest);
}

.bsa-tier--free .bsa-tier-assure {
    color: var(--charcoal-42);
}

/* Tier 2 — flagship mandate: hero panel on the green gradient motif */
.bsa-tier--mandate {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        repeating-linear-gradient(135deg, transparent 0 80px, rgba(255, 255, 255, 0.04) 80px 81px),
        linear-gradient(135deg, var(--forest) 0%, #3a6a31 50%, var(--charcoal-deep) 130%);
    box-shadow: var(--shadow-xl);
    padding: clamp(36px, 4.4vw, 64px) clamp(28px, 3.6vw, 56px);
}

.bsa-tier--mandate::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 70% at 90% 0%, rgba(29, 40, 48, 0.35) 0%, transparent 60%);
    pointer-events: none;
}

.bsa-tier--mandate>* {
    position: relative;
    z-index: 1;
}

.bsa-tier--mandate:hover {
    box-shadow: 0 30px 80px rgba(29, 40, 48, 0.26);
}

.bsa-tier--mandate .bsa-tier-tag {
    color: #9BD08E;
}

.bsa-tier--mandate .bsa-tier-tag::after {
    background: rgba(255, 255, 255, 0.22);
}

.bsa-tier-price-main {
    display: block;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(42px, 4.6vw, 66px);
    line-height: 1;
    letter-spacing: -0.015em;
    color: var(--white);
}

.bsa-tier-price-main .u {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.3em;
    letter-spacing: 0.08em;
    color: #cde5c2;
}

.bsa-tier-price-plus {
    display: inline-block;
    margin-top: 12px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.88);
    padding: 7px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
}

.bsa-tier--mandate h3 {
    color: var(--white);
}

.bsa-tier--mandate .bsa-tier-body {
    color: rgba(255, 255, 255, 0.8);
}

.bsa-tier--mandate .bsa-tier-listlabel {
    color: #9BD08E;
}

.bsa-tier--mandate .bsa-tier-list li {
    color: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.bsa-tier--mandate .bsa-tier-list li strong {
    font-weight: 600;
    color: var(--white);
}

.bsa-tier--mandate .bsa-tier-list li::before {
    color: #cde5c2;
}

.bsa-tier--mandate .btn-primary {
    background: var(--white);
    color: var(--forest);
    border-color: var(--white);
    white-space: nowrap;
}

.bsa-tier--mandate .btn-primary:hover {
    background: #eef4ea;
    border-color: #eef4ea;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(29, 40, 48, 0.3);
}

.bsa-tier-fineprint {
    font-family: var(--font-body);
    font-size: 12.5px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.62);
    margin: clamp(20px, 2.4vw, 26px) 0 0;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

/* Bridge line between the tiers and the dark credit band */
.bsa-pair-bridge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(14px, 2vw, 22px);
    margin: clamp(30px, 3.6vw, 48px) 0 0;
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--charcoal-42);
    text-align: center;
}

.bsa-pair-bridge::before,
.bsa-pair-bridge::after {
    content: '';
    height: 1px;
    width: clamp(36px, 7vw, 96px);
    background: var(--charcoal-20);
    flex: none;
}

/* ---- 3. RETAINER CREDIT — dark highlight band ---- */
.bsa-credit {
    position: relative;
    overflow: hidden;
    background: var(--charcoal-deep);
    padding: clamp(64px, 8vw, 120px) 0;
}

.bsa-credit::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 60% at 90% 10%, rgba(74, 124, 63, 0.16), transparent 60%),
        radial-gradient(ellipse 40% 50% at 5% 95%, rgba(74, 124, 63, 0.08), transparent 55%);
    pointer-events: none;
}

.bsa-credit .container {
    position: relative;
    z-index: 1;
    max-width: 960px;
}

.bsa-credit-inner {
    border-left: 3px solid var(--forest);
    padding-left: clamp(24px, 3.6vw, 56px);
}

.bsa-credit-eyebrow {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: #9BD08E;
    margin: 0 0 18px;
}

.bsa-credit h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(28px, 3.6vw, 50px);
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--white);
    margin: 0 0 clamp(16px, 2vw, 24px);
    max-width: 24ch;
}

.bsa-credit h2 em {
    font-style: italic;
    color: #cde5c2;
}

.bsa-credit p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(15.5px, 1.5vw, 18px);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
    max-width: 56ch;
}

/* ---- 4. HOW A MANDATE RUNS — numbered ledger rows on sage ---- */
.bsa-how {
    background: var(--sage);
    padding: var(--space-section) 0;
}

.bsa-how .container {
    max-width: 1200px;
}

.bsa-how-head {
    max-width: 720px;
    margin-bottom: clamp(36px, 4.5vw, 60px);
}

.bsa-step {
    display: grid;
    grid-template-columns: clamp(56px, 8vw, 110px) minmax(0, 0.85fr) 1.4fr;
    gap: clamp(18px, 3vw, 56px);
    padding: clamp(26px, 3.2vw, 42px) 0;
    border-top: 1px solid var(--charcoal-20);
    align-items: start;
}

.bsa-step:last-of-type {
    border-bottom: 1px solid var(--charcoal-20);
}

.bsa-step-num {
    font-family: var(--font-display);
    font-size: clamp(36px, 4.4vw, 64px);
    line-height: 0.9;
    color: var(--sage);
    -webkit-text-stroke: 1.2px var(--forest);
    padding-top: 2px;
}

.bsa-step h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(20px, 2.2vw, 27px);
    line-height: 1.22;
    color: var(--charcoal-deep);
    margin: 0;
}

.bsa-step p {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--charcoal-72);
    margin: 0;
    max-width: 58ch;
}

/* ---- 5. FINAL CTA — green band, flows into footer ---- */
.bsa-final {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        repeating-linear-gradient(135deg, transparent 0 80px, rgba(255, 255, 255, 0.04) 80px 81px),
        linear-gradient(135deg, var(--forest) 0%, #3a6a31 50%, var(--charcoal-deep) 130%);
    padding: clamp(72px, 9vw, 132px) 0;
    text-align: center;
}

.bsa-final::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 50% 110%, rgba(29, 40, 48, 0.4) 0%, transparent 60%);
    pointer-events: none;
}

.bsa-final .container {
    position: relative;
    z-index: 1;
    max-width: 860px;
}

.bsa-final-eyebrow {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 18px;
}

.bsa-final h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(32px, 4.4vw, 60px);
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--white);
    margin: 0 0 clamp(16px, 2vw, 24px);
}

.bsa-final h2 em {
    font-style: italic;
    color: #cde5c2;
}

.bsa-final-lede {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(15.5px, 1.5vw, 18px);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.82);
    max-width: 52ch;
    margin: 0 auto clamp(30px, 3.6vw, 44px);
}

.bsa-final-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: clamp(34px, 4vw, 52px);
}

.bsa-final-actions .btn-primary {
    background: var(--white);
    color: var(--forest);
    border-color: var(--white);
}

.bsa-final-actions .btn-ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.bsa-final-actions .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

.bsa-final-links {
    display: flex;
    justify-content: center;
    gap: clamp(18px, 3vw, 40px);
    flex-wrap: wrap;
    padding-top: clamp(22px, 2.6vw, 30px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.bsa-final-links a {
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    padding-bottom: 3px;
    transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.bsa-final-links a:hover {
    color: var(--white);
    border-color: var(--white);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 920px) {
    .bsa-pair {
        grid-template-columns: 1fr;
    }

    .bsa-step {
        grid-template-columns: clamp(48px, 8vw, 72px) 1fr;
    }

    .bsa-step h3 {
        margin-bottom: 8px;
    }

    .bsa-step p {
        grid-column: 2;
    }
}

@media (max-width: 560px) {
    .bsa-hero-stats {
        grid-template-columns: 1fr;
    }

    .bsa-hero-stat {
        padding-left: 0 !important;
        padding-bottom: 22px;
    }

    .bsa-hero-stat::before {
        display: none !important;
    }
}