/* =======================
   AI Trainings sub-site styles (extends ../style.css)
   ======================= */

/* Language toggle in nav */
.lang-toggle {
    display: inline-flex;
    margin-left: 12px;
    padding: 3px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 100px;
}
.lang-toggle button {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 100px;
    cursor: pointer;
    letter-spacing: 0.04em;
    transition: all 0.2s;
}
.lang-toggle button.active {
    background: var(--text-strong);
    color: var(--bg);
}
.lang-toggle button:hover:not(.active) { color: var(--text); }

/* Hub page */
.training-hub-hero {
    padding: 180px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.training-hub-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(110, 168, 255, 0.12), transparent 60%);
    pointer-events: none;
}
.training-hub-hero .container { position: relative; z-index: 1; }
.training-hub-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 18px 0 20px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}
.training-hub-hero p {
    color: var(--text-muted);
    font-size: 1.15rem;
    line-height: 1.6;
    max-width: 720px;
    margin: 0 auto 36px;
}
.hub-meta {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 36px;
    flex-wrap: wrap;
}
.hub-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.hub-meta-item i { color: var(--accent-bright); }

.verticals-section {
    padding: 60px 0 120px;
}
.verticals-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.vertical-card {
    display: block;
    padding: 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.vertical-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(110, 168, 255, 0.08), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}
.vertical-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-bright);
    box-shadow: var(--shadow-card);
}
.vertical-card:hover::before { opacity: 1; }
.vertical-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--accent-soft);
    border: 1px solid rgba(110, 168, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}
.vertical-icon i {
    font-size: 1.2rem;
    color: var(--accent-bright);
}
.vertical-card h3 {
    color: var(--text-strong);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.015em;
    position: relative;
    z-index: 1;
}
.vertical-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.vertical-card .arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-bright);
    font-size: 0.85rem;
    font-weight: 600;
    transition: gap 0.2s;
    position: relative;
    z-index: 1;
}
.vertical-card:hover .arrow { gap: 10px; }
@media (max-width: 1100px) { .verticals-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .verticals-grid { grid-template-columns: 1fr; } }

/* =======================
   Vertical proposal page
   ======================= */
.proposal-hero {
    padding: 160px 0 60px;
    position: relative;
    overflow: hidden;
}
.proposal-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 30% 0%, rgba(110, 168, 255, 0.12), transparent 60%);
    pointer-events: none;
}
.proposal-hero .container { position: relative; z-index: 1; }
.crumbs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 24px;
}
.crumbs a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.crumbs a:hover { color: var(--accent-bright); }
.crumbs i { font-size: 0.65rem; }

.proposal-icon-large {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: var(--accent-soft);
    border: 1px solid rgba(110, 168, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.proposal-icon-large i {
    font-size: 2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.proposal-hero h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--text-strong);
    margin-bottom: 20px;
    max-width: 820px;
}
.proposal-hero .lead {
    color: var(--text-muted);
    font-size: 1.15rem;
    line-height: 1.65;
    max-width: 760px;
}

/* Proposal content sections */
.proposal-section {
    padding: 70px 0;
    border-top: 1px solid var(--border);
}
.proposal-section.alt { background: var(--bg-2); }
.proposal-section h2 {
    font-size: clamp(1.6rem, 2.6vw, 2rem);
    font-weight: 700;
    color: var(--text-strong);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
}
.proposal-section .lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 36px;
    max-width: 720px;
    line-height: 1.65;
}

.pain-grid, .module-grid, .deliverable-grid, .upsell-grid {
    display: grid;
    gap: 16px;
}
.pain-grid { grid-template-columns: repeat(2, 1fr); }
.module-grid { grid-template-columns: repeat(2, 1fr); }
.deliverable-grid { grid-template-columns: repeat(2, 1fr); }
.upsell-grid { grid-template-columns: repeat(3, 1fr); }

.pain-item, .module-item, .deliverable-item, .upsell-item {
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: border-color 0.2s;
}
.pain-item:hover, .module-item:hover, .deliverable-item:hover, .upsell-item:hover {
    border-color: var(--border-bright);
}
.pain-item h4, .module-item h4, .deliverable-item h4, .upsell-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-strong);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pain-item h4 i { color: #ff8b6e; }
.module-item h4 i { color: var(--accent-bright); }
.deliverable-item h4 i { color: var(--cyan); }
.upsell-item h4 i { color: var(--violet); }
.pain-item p, .module-item p, .deliverable-item p, .upsell-item p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}
.module-num {
    display: inline-block;
    font-size: 0.72rem;
    color: var(--accent-bright);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

/* Pricing */
.pricing-card {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px;
    background: linear-gradient(180deg, rgba(110, 168, 255, 0.08) 0%, rgba(110, 168, 255, 0.02) 100%);
    border: 1px solid rgba(110, 168, 255, 0.25);
    border-radius: 20px;
    text-align: center;
}
.pricing-card .price-label {
    color: var(--accent-bright);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}
.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-strong);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}
.pricing-card .price small {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}
.pricing-card .price-detail {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.6;
}
.price-tiers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}
.price-tier {
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-align: left;
}
.price-tier strong {
    display: block;
    color: var(--text-strong);
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.price-tier span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* CTA */
.proposal-cta {
    padding: 80px 0;
    text-align: center;
    background: var(--bg);
    border-top: 1px solid var(--border);
}
.proposal-cta h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--text-strong);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}
.proposal-cta p {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 32px;
}
.proposal-cta .btn-row {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 820px) {
    .pain-grid, .module-grid, .deliverable-grid, .upsell-grid { grid-template-columns: 1fr; }
    .price-tiers { grid-template-columns: 1fr; }
}