/* ════════════════════════════════════════════════
   SLS — Book an Operational Assessment modal
   Self-contained: brand tokens reused from styles-mobile.css
   ════════════════════════════════════════════════ */

.bkm-overlay {
  position: fixed; inset: 0; z-index: 2147483000;
  display: flex; align-items: flex-start; justify-content: center;
  padding: clamp(0.75rem, 4vw, 3rem) 1rem;
  background: rgba(18,14,12,0.62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity .28s ease, visibility .28s;
  overflow-y: auto; overscroll-behavior: contain;
}
.bkm-overlay.open { opacity: 1; visibility: visible; }

.bkm {
  position: relative; width: 100%; max-width: 540px; margin: auto;
  background: var(--bg); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 30px 80px rgba(18,12,6,0.45); overflow: hidden;
  transform: translateY(18px) scale(.985); transition: transform .3s cubic-bezier(.2,.7,.2,1);
}
.bkm-overlay.open .bkm { transform: none; }

/* Header */
.bkm-head {
  position: relative; padding: 1.5rem 1.6rem 1.35rem;
  background:
    radial-gradient(420px 200px at 88% -40%, rgba(201,131,74,0.30), transparent 60%),
    linear-gradient(160deg, var(--ink-2), var(--ink));
  color: #fff;
}
.bkm-eyebrow {
  font-family: var(--head); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ac-em-l, var(--copper-light));
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 0.6rem;
}
.bkm-eyebrow::before { content: ''; width: 22px; height: 2px; background: currentColor; }
.bkm-title {
  font-family: var(--head); font-weight: 700; font-size: 1.55rem; line-height: 1.05;
  text-transform: uppercase; letter-spacing: 0.005em; color: #fff;
}
.bkm-sub { font-size: 0.88rem; color: rgba(255,255,255,0.66); margin-top: 0.55rem; line-height: 1.55; max-width: 42ch; }
.bkm-x {
  position: absolute; top: 12px; right: 12px; width: 38px; height: 38px;
  display: grid; place-items: center; border: 0; border-radius: 9px;
  background: rgba(255,255,255,0.08); color: #fff; cursor: pointer; font-size: 17px;
  transition: background .18s;
}
.bkm-x:hover { background: rgba(255,255,255,0.18); }

/* Body / form */
.bkm-body { padding: 1.5rem 1.6rem 1.7rem; }
.bkm-form { display: flex; flex-direction: column; gap: 1rem; }
.bkm-row { display: flex; flex-direction: column; gap: 0; }
.bkm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.bkm-field label {
  display: block; font-family: var(--head); font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--charcoal-mid); margin-bottom: 7px;
}
.bkm-field label .req { color: var(--copper-dark); margin-left: 2px; }
.bkm-field input, .bkm-field select, .bkm-field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: 12px 14px; min-height: 48px;
  font-family: var(--body); font-size: 16px; font-weight: 500; color: var(--charcoal);
  outline: none; transition: border-color .2s, box-shadow .2s; -webkit-appearance: none; appearance: none;
}
.bkm-field textarea { min-height: 90px; resize: vertical; line-height: 1.5; padding-top: 12px; }
.bkm-field select {
  cursor: pointer; padding-right: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.bkm-field input:focus, .bkm-field select:focus, .bkm-field textarea:focus {
  border-color: var(--copper); box-shadow: 0 0 0 3px rgba(174,109,79,0.13);
}
.bkm-field.invalid input, .bkm-field.invalid select { border-color: #C8553D; box-shadow: 0 0 0 3px rgba(200,85,61,0.12); }
.bkm-err { font-size: 0.76rem; color: #C8553D; margin-top: 5px; display: none; }
.bkm-field.invalid .bkm-err { display: block; }

.bkm-submit {
  width: 100%; margin-top: 0.35rem; padding: 15px; min-height: 50px;
  background: var(--copper-dark); color: #fff; border: 0; border-radius: var(--radius);
  font-family: var(--head); font-weight: 700; font-size: 1rem; letter-spacing: 0.08em;
  text-transform: uppercase; cursor: pointer; transition: background .2s, transform .08s;
  box-shadow: 0 8px 22px rgba(174,109,79,0.28);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
}
.bkm-submit:hover { background: var(--copper); }
.bkm-submit:active { transform: translateY(1px); }
.bkm-foot { font-size: 0.76rem; color: var(--charcoal-light); margin-top: 0.9rem; line-height: 1.55; text-align: center; }
.bkm-foot a { color: var(--copper-dark); font-weight: 600; }

/* Success state */
.bkm-success { display: none; padding: 0.5rem 0 0.3rem; text-align: center; }
.bkm-success.show { display: block; }
.bkm-success .ico {
  width: 64px; height: 64px; margin: 0.5rem auto 1.2rem; border-radius: 50%;
  display: grid; place-items: center; background: rgba(30,131,122,0.12); border: 1px solid rgba(30,131,122,0.3);
}
.bkm-success .ico svg { width: 30px; height: 30px; stroke: var(--teal); fill: none; stroke-width: 2.4; }
.bkm-success h3 { font-family: var(--head); font-weight: 700; font-size: 1.4rem; text-transform: uppercase; color: var(--charcoal); }
.bkm-success p { font-size: 0.92rem; color: var(--charcoal-mid); margin-top: 0.6rem; line-height: 1.6; max-width: 38ch; margin-inline: auto; }
.bkm-success p strong { color: var(--charcoal); }
.bkm-success .bkm-submit { max-width: 240px; margin: 1.5rem auto 0; }

@media (max-width: 480px) { .bkm-grid { grid-template-columns: 1fr; gap: 1rem; } .bkm-title { font-size: 1.35rem; } }
@media (prefers-reduced-motion: reduce) { .bkm-overlay, .bkm { transition: none; } }