/* ==========================================================================
   KromeAppSite marketing page sections (Phase 2).
   Purple/white/black, block-based, large type, generous whitespace.
   Transitions 150-300ms; reduced-motion safe. Uses --krome-* tokens.
   ========================================================================== */

.section__title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    text-align: center;
    margin-block-end: 0.75rem;
}

.section__body,
.prose__body {
    max-width: 46rem;
    margin-inline: auto;
    color: var(--krome-ink-muted);
}

/* Hero */
.hero {
    background:
        radial-gradient(1200px 500px at 50% -10%, var(--krome-primary-soft), transparent 70%),
        var(--krome-surface);
    padding-block: clamp(3.5rem, 9vw, 7rem);
}

.hero__inner {
    text-align: center;
    max-width: 52rem;
}

.hero__eyebrow {
    display: inline-block;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--krome-primary-strong);
    background: var(--krome-primary-soft);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-block-end: 1.25rem;
}

.hero__title {
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1.05;
    margin-block-end: 1rem;
}

.hero__subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    color: var(--krome-ink-muted);
    max-width: 40rem;
    margin-inline: auto;
    margin-block-end: 2rem;
}

.hero__actions {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-block-start: 2.5rem;
}

.feature-card {
    background: var(--krome-surface);
    border: 1px solid var(--krome-border);
    border-radius: var(--krome-radius);
    padding: 1.75rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--krome-shadow);
    border-color: color-mix(in srgb, var(--krome-primary) 40%, var(--krome-border));
}

.feature-card__icon {
    font-size: 2rem;
    color: var(--krome-primary);
    background: var(--krome-primary-soft);
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-block-end: 1rem;
}

.feature-card__title {
    font-size: 1.15rem;
    margin-block-end: 0.4rem;
}

.feature-card__body {
    color: var(--krome-ink-muted);
    margin: 0;
    font-size: 0.97rem;
}

/* CTA band */
.cta-band {
    background: var(--krome-ink);
    color: #fff;
    padding-block: clamp(2.5rem, 6vw, 4rem);
}

.cta-band__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cta-band__title {
    color: #fff;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    margin: 0 0 0.35rem;
}

.cta-band__subtitle {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}

.btn--invert {
    background: #fff;
    color: var(--krome-ink);
}

.btn--invert:hover {
    background: var(--krome-primary-soft);
    color: var(--krome-primary-strong);
}

/* Pricing */
.pricing-head {
    text-align: center;
    margin-block-end: 2.5rem;
}

.billing-toggle {
    display: inline-flex;
    gap: 0.25rem;
    background: var(--krome-surface-2);
    border: 1px solid var(--krome-border);
    border-radius: 999px;
    padding: 0.3rem;
    margin-block-start: 1.5rem;
}

.billing-toggle__opt {
    border: 0;
    background: transparent;
    color: var(--krome-ink-muted);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1.15rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease;
}

.billing-toggle__opt.is-active {
    background: var(--krome-primary);
    color: #fff;
}

.billing-toggle__save {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.85;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.plan-card {
    position: relative;
    background: var(--krome-surface);
    border: 1px solid var(--krome-border);
    border-radius: var(--krome-radius);
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.plan-card--popular {
    border-color: var(--krome-primary);
    box-shadow: 0 12px 40px -18px color-mix(in srgb, var(--krome-primary) 60%, transparent);
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--krome-shadow);
}

.plan-card__badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--krome-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
}

.plan-card__name {
    font-size: 1.35rem;
    margin: 0 0 0.2rem;
}

.plan-card__audience {
    color: var(--krome-ink-muted);
    font-size: 0.9rem;
    margin: 0 0 1rem;
}

.plan-card__price {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    margin-block-end: 1.25rem;
}

.plan-card__amount {
    font-family: var(--krome-font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--krome-ink);
    font-variant-numeric: tabular-nums;
}

.plan-card__custom {
    font-family: var(--krome-font-display);
    font-size: 2rem;
    font-weight: 800;
}

.plan-card__period {
    color: var(--krome-ink-muted);
    font-size: 0.95rem;
}

.plan-card__cta {
    width: 100%;
    margin-block-end: 1.5rem;
}

.plan-card__features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.plan-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--krome-ink);
    font-size: 0.93rem;
}

.plan-card__check {
    font-size: 1.1rem;
    color: var(--krome-primary);
    flex: 0 0 auto;
}

.pricing-loading {
    text-align: center;
    color: var(--krome-ink-muted);
    padding-block: 3rem;
}

/* Enterprise / contact / lead form */
.enterprise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.enterprise__points {
    list-style: none;
    padding: 0;
    margin-block-start: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.enterprise__points li {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--krome-ink);
    font-weight: 500;
}

.enterprise__points .material-icons {
    color: var(--krome-primary);
}

.enterprise__form-wrap {
    background: var(--krome-surface);
    border: 1px solid var(--krome-border);
    border-radius: var(--krome-radius);
    padding: 2rem;
    box-shadow: var(--krome-shadow);
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.field label {
    font-weight: 600;
    font-size: 0.9rem;
}

.field .req {
    color: var(--krome-primary);
}

.field input,
.field textarea,
.field select {
    font: inherit;
    color: var(--krome-ink);
    background: var(--krome-surface-2);
    border: 1px solid var(--krome-border);
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    min-height: 44px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: var(--krome-primary);
    box-shadow: 0 0 0 3px var(--krome-primary-soft);
}

.lead-form__error {
    color: #b91c1c;
    font-size: 0.9rem;
    margin: 0;
}

.enterprise__success {
    text-align: center;
    padding-block: 1.5rem;
}

.enterprise__success .material-icons {
    font-size: 3rem;
    color: var(--krome-primary);
}

.prose {
    max-width: 48rem;
}

@media (max-width: 820px) {
    .enterprise { grid-template-columns: 1fr; gap: 2rem; }
    .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

/* Signup / checkout */
.signup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.signup__plan-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-block-start: 1.25rem;
    background: var(--krome-primary-soft);
    color: var(--krome-primary-strong);
    font-weight: 600;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
}

.field__hint {
    color: var(--krome-ink-muted);
    font-size: 0.82rem;
}

.signup__fineprint {
    color: var(--krome-ink-muted);
    font-size: 0.88rem;
    text-align: center;
    margin: 0;
}

.checkout-result {
    display: flex;
    justify-content: center;
}

.checkout-result__panel {
    text-align: center;
    max-width: 34rem;
    background: var(--krome-surface);
    border: 1px solid var(--krome-border);
    border-radius: var(--krome-radius);
    padding: 3rem 2rem;
    box-shadow: var(--krome-shadow);
}

.checkout-result__panel h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    margin-block: 1rem 0.5rem;
}

.checkout-result__panel p {
    color: var(--krome-ink-muted);
}

.checkout-result__hint {
    background: var(--krome-surface-2);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    margin-block: 1rem;
}

.checkout-result__panel .btn {
    margin-block-start: 1rem;
}

.checkout-result__ok { font-size: 3.25rem; color: var(--krome-primary); }
.checkout-result__warn { font-size: 3.25rem; color: #b45309; }
.checkout-result__spin {
    font-size: 3.25rem;
    color: var(--krome-primary);
    animation: krome-spin 1s linear infinite;
}

@keyframes krome-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 820px) {
    .signup { grid-template-columns: 1fr; gap: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .feature-card,
    .plan-card,
    .btn,
    .billing-toggle__opt {
        transition: none;
    }
    .feature-card:hover,
    .plan-card:hover {
        transform: none;
    }
    .checkout-result__spin {
        animation: none;
    }
}