/* ============================================================
   B2B PAGE — b2b.css
   Variables, nav, .b2b-card base inherited from main.css
   ============================================================ */

.b2b-card {
    background: rgba(20,16,34,0.65);
    border: 1px solid rgba(139,92,246,0.14);
    border-radius: 14px;
}
[data-theme="light"] .b2b-card {
    background: rgba(255,255,255,0.72);
    border-color: rgba(139,92,246,0.10);
}

/* ── Hero ── */
.b2b-hero {
    position: relative; width: 100%;
    height: 52vh; min-height: 340px;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    margin-top: calc(-1 * var(--nav-height));
}
.b2b-hero__canvas { position: absolute; inset: 0; z-index: 0; }
.b2b-hero__canvas canvas { width: 100% !important; height: 100% !important; display: block; }
.b2b-hero__overlay {
    position: absolute; inset: 0; z-index: 1;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.52) 100%);
    pointer-events: none;
}
.b2b-hero__content {
    position: relative; z-index: 2;
    text-align: center; padding: 0 2rem;
    padding-top: var(--nav-height);
}
.b2b-hero__title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 700; line-height: 1.1;
    color: #fff; margin-bottom: 1rem;
    text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.b2b-hero__sub {
    font-size: clamp(0.9rem, 2vw, 1.15rem); font-weight: 400;
    color: rgba(255,255,255,0.7); margin-top: 0.6rem;
}
.b2b-hero__fade {
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 160px; z-index: 2; pointer-events: none;
    background: linear-gradient(to bottom, transparent, var(--bg-primary));
}
[data-theme="light"] .b2b-hero__fade {
    background: linear-gradient(to bottom, transparent 0%, rgba(236,232,244,0.3) 40%, #ece8f4 100%);
}

/* ── Layout ── */
.b2b-container { max-width: 820px; margin: 0 auto; padding: 0 1.25rem 6rem; }
.b2b-section { padding-bottom: 5rem; }
.b2b-section__title {
    font-family: var(--font-display);
    font-size: 1.3rem; font-weight: 700;
    color: var(--text-primary); margin-bottom: 1.25rem;
}
.b2b-section__body {
    font-size: 0.9rem; line-height: 1.85;
    color: var(--text-secondary); margin-bottom: 1rem; max-width: 640px;
}
.b2b-divider { height: 1px; background: var(--border); margin: 0 0 5rem; }

/* ── Problem ── */
.problem-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
    margin-top: 1.5rem;
}
.problem-card { padding: 1.5rem 1.25rem; }
.problem-card__icon { color: var(--accent); margin-bottom: 0.75rem; }
.problem-card__title {
    font-size: 0.85rem; font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem;
}
.problem-card__text { font-size: 0.83rem; line-height: 1.75; color: var(--text-secondary); }

/* ── Method ── */
.method-steps { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1.5rem; }
.method-step { display: flex; align-items: flex-start; gap: 1.25rem; padding: 1rem 1.25rem; }
.method-step__num {
    font-size: 1.5rem; font-weight: 700; color: var(--accent);
    line-height: 1; flex-shrink: 0; min-width: 1.5rem; opacity: 0.7;
}
.method-card__title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.3rem; }
.method-card__text { font-size: 0.8rem; line-height: 1.7; color: var(--text-secondary); }
.method-cta {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding: 1rem 1.25rem; margin-top: 1rem;
    flex-wrap: wrap;
}
.method-cta__q { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.method-cta__links { display: flex; gap: 0.875rem; flex-shrink: 0; }

/* ── Services ── */
.svc-subtitle {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.875rem;
}
.tier-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.875rem;
    margin-bottom: 1.25rem;
}
.tier-grid > .b2b-card { display: flex; flex-direction: column; height: 100%; }
.tier-card { padding: 1.5rem 1.25rem; }
.tier-card__name { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.2rem; }
.tier-card__freq { font-size: 0.72rem; color: var(--accent); font-weight: 600; margin-bottom: 0.875rem; }
.tier-card__desc { font-size: 0.78rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: 1.25rem; flex: 1; }
.tier-card__divider { height: 1px; background: var(--border); margin-bottom: 1rem; }
.tier-card__features { list-style: none; }
.tier-card__features li {
    font-size: 0.75rem; color: var(--text-secondary);
    padding: 3px 0; display: flex; gap: 8px; align-items: flex-start;
}
.tier-card__features li svg { flex-shrink: 0; margin-top: 1px; color: var(--accent); }

.btn-inquire {
    width: 100%; padding: 8px 0; border-radius: 9999px;
    border: 1px solid rgba(147,102,255,0.4); background: transparent; color: var(--accent);
    font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
    cursor: pointer; transition: border-color 0.2s, background 0.2s;
    text-decoration: none; text-align: center; display: block;
}
.btn-inquire:hover { border-color: var(--accent); background: rgba(147,102,255,0.1); }
.method-cta__links .btn-inquire { width: auto; padding: 6px 18px; }

.onetime-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.875rem; margin-top: 1.25rem; }
.onetime-card { padding: 1.5rem; display: flex; flex-direction: column; }
.onetime-card__title { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.4rem; }
.onetime-card__text { font-size: 0.8rem; line-height: 1.65; color: var(--text-secondary); flex: 1; margin-bottom: 1rem; }

.tier-card__price {
    display: flex; align-items: baseline; gap: 4px;
    margin-bottom: 0.875rem;
}
.tier-card__price-amount { font-size: 1.4rem; font-weight: 700; color: var(--text-primary); }
.tier-card__price-period { font-size: 0.72rem; color: var(--text-muted); }

.tier-card--featured { border: 2px solid var(--accent); position: relative; }
.tier-card--featured .btn-inquire { background: var(--accent); color: #fff; border-color: var(--accent); }
.tier-card--featured .btn-inquire:hover { background: var(--accent-hover); }

.tier-card__badge {
    position: absolute; top: -10px; left: 1.25rem;
    background: var(--accent); color: #fff;
    font-size: 0.62rem; font-weight: 700;
    padding: 2px 10px; border-radius: 9999px;
}

.onetime-card__price { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.75rem; }

/* ── Incentives ── */
.incentives-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.incentive-card { padding: 1.5rem 1.25rem; }
.incentive-card__icon { color: var(--accent); margin-bottom: 0.75rem; }
.incentive-card__title {
    font-size: 0.85rem; font-weight: 700; color: var(--text-primary);
    margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.incentive-card__text { font-size: 0.8rem; line-height: 1.7; color: var(--text-secondary); }

/* ── Sample ── */
.sample-card { display: flex; align-items: center; gap: 2rem; padding: 2rem 2.5rem; margin-top: 1.25rem; }
.sample-card__icon {
    width: 56px; height: 68px; flex-shrink: 0;
    background: rgba(147,102,255,0.08); border: 1px solid rgba(147,102,255,0.22);
    border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.sample-card__title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.35rem; }
.sample-card__text { font-size: 0.83rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 0.875rem; }
.btn-download {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 22px; border-radius: 9999px;
    background: var(--accent); color: #fff; border: none;
    font-family: var(--font-display); font-size: 0.78rem; font-weight: 700;
    cursor: pointer; box-shadow: 0 2px 14px rgba(147,102,255,0.3); transition: background 0.2s;
}
.btn-download:hover { background: var(--accent-hover); }

/* ── Contact ── */
.contact-block {
    display: flex; align-items: center; justify-content: space-between;
    gap: 2rem; padding: 2rem 2.5rem; margin-top: 1.25rem;
}
.contact-block__title { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.3rem; }
.contact-block__sub { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.65; }
.btn-contact {
    flex-shrink: 0; padding: 11px 28px; border-radius: 9999px;
    background: var(--accent); color: #fff; border: none;
    font-family: var(--font-display); font-size: 0.82rem; font-weight: 700;
    cursor: pointer; white-space: nowrap;
    box-shadow: 0 2px 14px rgba(147,102,255,0.3); transition: background 0.2s;
}
.btn-contact:hover { background: var(--accent-hover); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .problem-grid, .incentives-row { grid-template-columns: 1fr; }
    .sample-card { flex-direction: column; padding: 1.5rem; }
    .contact-block { flex-direction: column; align-items: flex-start; padding: 1.5rem; }
    .b2b-hero__title { font-size: 1.9rem; }
    .onetime-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) { .tier-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .tier-grid { grid-template-columns: 1fr; } }