/* ============================================================
   BIM-Automatisering (Spation BIM-Automatisering.dc.html)
   Prefix: ba-
   ============================================================ */

.ba {
    --ba-on-blue: #e4eefa;
    --ba-on-blue-2: #dbe8f8;
    --ba-orange-ink: #3a1d08;
    /* Ontwerp rekent met de standaard regelhoogte van de browser */
    line-height: normal;
}

/* --- Subnavigatie (plakt onder de banner) ------------------- */
.ba-subnav {
    position: sticky; top: var(--banner-h); z-index: 30;
    background: var(--navy-2); border-bottom: 1px solid var(--navy-line); color: var(--on-dark);
}
.ba-subnav__inner {
    display: flex; flex-wrap: nowrap; justify-content: space-between; align-items: center;
    gap: 12px clamp(20px, 3vw, 32px);
    padding-top: 10px; padding-bottom: 10px;
    overflow-x: auto; scrollbar-width: none;
}
.ba-subnav__inner::-webkit-scrollbar { display: none; }
.ba-subnav__left { flex: none; display: flex; flex-wrap: nowrap; align-items: center; gap: 16px clamp(20px, 3vw, 32px); white-space: nowrap; }
.ba-subnav__name { font: 600 clamp(16px, 2vw, 18px) var(--font-display); color: var(--on-dark); }
.ba-subnav__links { display: flex; flex-wrap: nowrap; gap: 12px clamp(16px, 2.2vw, 24px); font-size: 14px; color: var(--on-dark-2); white-space: nowrap; }
.ba-subnav__cta {
    flex: none; padding: 9px 16px; border-radius: 10px; white-space: nowrap;
    background: var(--orange); color: var(--navy);
    font-size: clamp(14px, 1.7vw, 15px); font-weight: 600;
}

/* --- Hero ---------------------------------------------------- */
.ba-hero { background: var(--navy); color: var(--on-dark); }
.ba-hero__grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
    gap: clamp(28px, 4vw, 56px); align-items: center;
    padding-top: clamp(40px, 7vw, 80px); padding-bottom: clamp(52px, 8.5vw, 104px);
}
.ba-hero__copy { display: flex; flex-direction: column; gap: clamp(18px, 2.6vw, 28px); animation: rise .8s ease-out both; }
.ba-hero__note { font: 400 14px var(--font-mono); color: var(--on-dark-3); }

/* Ingrediënten → automatisering */
.ba-mix { min-width: 0; display: flex; flex-direction: column; gap: 14px; animation: rise 1s .15s ease-out both; }
.ba-mix__cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ba-mix__card {
    display: flex; flex-direction: column; gap: 10px;
    padding: clamp(14px, 2vw, 20px); border-radius: 16px;
    background: var(--navy-2); border: 1px solid var(--navy-line);
}
.ba-mix__label { font: 400 13px var(--font-mono); color: var(--blue-pale); letter-spacing: 1px; }
.ba-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ba-chip {
    padding: 6px 10px; border-radius: 8px;
    font: 500 13px var(--font-mono);
    background: var(--navy); color: var(--on-dark-2);
    transition: background-color .35s, color .35s;
}
.ba-chip.is-on { background: var(--orange); color: var(--navy); }
.ba-mix__arrow { display: flex; justify-content: center; font: 500 20px var(--font-mono); color: var(--orange); }

.ba-result {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    min-height: 76px; padding: clamp(16px, 2.4vw, 22px); border-radius: 16px;
    background: var(--bg); color: var(--navy);
}
.ba-result__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ba-result__label { font: 400 12px var(--font-mono); color: var(--blue-dark); }
.ba-result__name { font: 600 clamp(17px, 2.2vw, 20px) var(--font-display); }
.ba-result__link { flex: none; font-weight: 600; color: var(--blue-dark); white-space: nowrap; }

/* --- 01 · Voorbeelden ---------------------------------------- */
.ba-examples {
    display: flex; flex-direction: column; gap: clamp(28px, 4vw, 48px);
    padding-top: var(--section-y); padding-bottom: var(--section-y);
    scroll-margin-top: var(--sticky-h);
}
.ba-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px clamp(28px, 4vw, 48px); }
.ba-head__copy { display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.ba-head__intro { font-size: clamp(16px, 2vw, 18px); line-height: 1.55; color: var(--text-2); max-width: 400px; text-wrap: pretty; }

.ba-examples__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.ba-example {
    display: flex; flex-direction: column; overflow: hidden;
    background: var(--card); border: 1px solid var(--line); border-radius: 18px;
    transition: border-color .2s, transform .2s;
}
/* Na de onthulling (zie js) weer een snelle hover-overgang */
.js .ba-example.is-settled { transition: border-color .2s, transform .2s; }
.ba-example:hover,
.js .ba-example.is-visible:hover { border-color: var(--blue); transform: translateY(-4px); opacity: 1; }
.ba-example__media {
    height: 150px; display: flex; align-items: center; justify-content: center;
    background: var(--white); border-bottom: 1px solid var(--line-soft);
}
.ba-example__media img { width: 100%; height: 100%; display: block; }
.ba-example__body { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: clamp(18px, 2.4vw, 22px); }
.ba-example__name { font: 600 clamp(17px, 2.2vw, 19px) var(--font-display); }
.ba-example__desc { color: var(--text-2); line-height: 1.5; font-size: clamp(14px, 1.7vw, 15px); }
.ba-example__stack { margin-top: auto; padding-top: 6px; font: 400 12px var(--font-mono); color: var(--blue-dark); }

/* --- 02 · Werkwijze ------------------------------------------ */
.ba-process { background: var(--navy); color: var(--on-dark); scroll-margin-top: var(--sticky-h); }
.ba-process__inner {
    display: flex; flex-direction: column; gap: clamp(28px, 4vw, 48px);
    padding-top: var(--section-y); padding-bottom: var(--section-y);
}
.ba-process__head { display: flex; flex-direction: column; gap: 14px; max-width: 820px; }
.ba-steps { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; padding: 0; list-style: none; }
/* Vier naast elkaar, onder 820px containerbreedte allemaal onder elkaar */
.ba-step {
    flex: 1 1 calc((820px - 100%) * 999); min-width: 0;
    display: flex; flex-direction: column; gap: 10px;
    padding: clamp(20px, 2.6vw, 28px); border-radius: 18px;
    background: var(--navy-2); border: 1px solid var(--navy-line);
}
.ba-step__num { font: 600 clamp(32px, 4.4vw, 48px)/1 var(--font-display); color: var(--blue-pale); }
.ba-step__title { font: 600 clamp(18px, 2.4vw, 22px) var(--font-display); }
.ba-step__text { line-height: 1.5; color: var(--on-dark-2); }
.ba-step--accent { background: var(--orange); color: var(--navy); border: 0; }
.ba-step--accent .ba-step__num { color: inherit; }
.ba-step--accent .ba-step__text { color: var(--ba-orange-ink); }

/* --- Adviesgesprek ------------------------------------------- */
.ba-advies-wrap { padding-top: var(--section-y); padding-bottom: var(--section-y); }
.ba-advies {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
    gap: clamp(28px, 4vw, 56px);
    padding: clamp(24px, 4vw, 56px); border-radius: 20px;
    background: var(--blue); color: var(--on-dark);
    scroll-margin-top: var(--sticky-h);
}
.ba-advies :focus-visible { outline-color: var(--white); }
.ba-advies__copy { display: flex; flex-direction: column; gap: 18px; }
.ba-advies__kicker { font: 400 14px var(--font-mono); color: var(--ba-on-blue-2); letter-spacing: 2px; }
.ba-advies__title { font: 600 clamp(26px, 4.2vw, 42px)/1.08 var(--font-display); text-wrap: balance; }
.ba-advies__text { color: var(--ba-on-blue); line-height: 1.55; font-size: clamp(15px, 1.8vw, 16px); text-wrap: pretty; }
.ba-advies__direct { margin-top: auto; font-size: 14px; color: var(--ba-on-blue-2); }
.ba-advies__side { display: flex; flex-direction: column; gap: 12px; }

.ba-sent {
    flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 10px;
    padding: clamp(14px, 2.4vw, 24px); border-radius: 14px;
    background: var(--blue-dark); border: 1px solid var(--blue-pale);
    animation: rise .4s ease-out both;
}
.ba-sent b { font: 600 clamp(18px, 2.4vw, 22px) var(--font-display); }
.ba-sent span { color: var(--ba-on-blue); line-height: 1.5; }

.ba-form { display: flex; flex-direction: column; gap: 12px; }
.ba-form__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.ba-input {
    width: 100%; min-width: 0; padding: 14px 16px; border-radius: 10px;
    background: var(--navy); border: 1px solid var(--blue-dark); color: var(--on-dark);
    outline: none; transition: border-color .2s;
}
.ba-input::placeholder { color: var(--on-dark-3); }
.ba-input:focus { border-color: var(--white); }
.ba-input.is-invalid { border-color: var(--error-on-dark); }
textarea.ba-input { resize: vertical; }
.ba-form__submit { min-height: 0; padding: 16px; font-size: clamp(15px, 1.9vw, 17px); }
.ba-form__submit:disabled { opacity: .7; cursor: progress; }
.ba-form__note { font-size: 14px; color: var(--ba-on-blue-2); text-align: center; }