/* =========================================================
   Aesthetic Derm Clinic — /book-now/
   Page-only layout, loaded after style.css. Colours, type, buttons, form fields and
   motion all come from the shared tokens and components in style.css.
   ========================================================= */

.bn-page.page-enter { animation: none; }           /* the hero has its own, lighter entrance */

/* ---------- Type ---------- */
.bn-hero h1 {
  font-family: var(--font-display); font-weight: var(--fw-display);
  font-size: clamp(2.2rem, 5.4vw, 4.5rem); line-height: 1.03; letter-spacing: var(--track-display);
}
.bn-hero h1 span { display: block; }
.bn-h2 { font-family: var(--font-display); font-weight: var(--fw-display); font-size: var(--fs-h2); line-height: 1.06; letter-spacing: var(--track-heading); }
.bn-h3, .bn-card-title, .bn-tile-name, .bn-expect-grid h3, .bn-branch h3 {
  font-family: var(--font-display); font-weight: var(--fw-display); font-size: var(--fs-h3); line-height: var(--lh-heading); letter-spacing: -0.02em;
}
.bn-lede { font-size: var(--fs-lede); line-height: 1.5; color: var(--clr-ink-soft); margin-top: 1.1rem; max-width: 30ch; }
.bn-sub { font-size: clamp(1rem, 1.3vw, 1.125rem); line-height: 1.55; color: var(--clr-ink-soft); margin-top: 0.75rem; max-width: 44ch; }
.bn-hero .eyebrow { margin-bottom: 1rem; }

/* ---------- Text links ---------- */
.bn-link {
  display: inline-flex; align-items: center; gap: 0.4em; min-height: 44px;
  color: var(--clr-pink-d); font-weight: 500; transition: opacity var(--dur-fast) var(--ease-std);
}
.bn-link:hover { opacity: 0.75; }
.bn-chev { width: 0.42em; height: 0.74em; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--dur) var(--ease-std); }
.bn-link:hover .bn-chev, .bn-tile:hover .bn-chev { transform: translateX(3px); }

/* ---------- Hero ---------- */
.bn-hero { padding: clamp(6.5rem, 12vw, 9.5rem) 0 clamp(2.5rem, 6vw, 5.5rem); background: var(--clr-ivory); }
.bn-hero-grid { display: grid; gap: clamp(1.75rem, 4vw, 4rem); align-items: center; }
.bn-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.75rem; margin-top: 1.75rem; }
.bn-hero-media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 5; background: var(--clr-cream); }
.bn-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 38%; }

.bn-stats { display: grid; grid-template-columns: repeat(3, minmax(0, auto)); justify-content: start; gap: 1rem clamp(1.25rem, 3vw, 2.5rem); margin-top: clamp(1.75rem, 4vw, 2.75rem); padding-top: 1.25rem; border-top: 1px solid var(--clr-line); }
.bn-stats li { display: flex; flex-direction: column; gap: 0.15rem; }
/* same treatment as the home page's hero figures */
.bn-stats strong { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-stat); line-height: 1; }
.bn-stats span { font-size: 0.72rem; line-height: 1.35; text-transform: uppercase; letter-spacing: 0.12em; color: var(--clr-ink-soft); margin-top: 0.4em; }

@media (min-width: 901px) {
  .bn-hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
  .bn-hero-media { max-height: min(74vh, 640px); justify-self: end; width: 100%; }
}
@media (max-width: 900px) {
  .bn-hero-media { aspect-ratio: 16 / 10; }
  .bn-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bn-stats span { font-size: 0.66rem; letter-spacing: 0.05em; }
}

/* ---------- Sections ---------- */
.bn-section { padding-block: clamp(3.5rem, 8vw, 7rem); }
#book, #treatments { scroll-margin-top: 4.5rem; }
.bn-book { background: var(--clr-cream); }
.bn-treatments, .bn-expect { background: #fff; }
.bn-expect { padding-top: 0; }
.bn-branches { background: var(--clr-ivory); }

/* ---------- Booking: intro + form + steps ---------- */
.bn-book-grid { display: grid; gap: clamp(1.5rem, 4vw, 2.5rem); }
@media (min-width: 901px) {
  .bn-book-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
    grid-template-areas: "intro form" "steps form";
    grid-template-rows: auto 1fr;
    column-gap: clamp(2.5rem, 6vw, 6rem);
  }
  .bn-book-intro { grid-area: intro; }
  .bn-form-wrap { grid-area: form; }
  .bn-book-steps { grid-area: steps; }
}

.bn-card {
  background: #fff; border: 1px solid var(--clr-line); border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3.5vw, 2.25rem); box-shadow: var(--shadow-sm);
  scroll-margin-top: 6.5rem;
}
.bn-required { font-size: var(--fs-xs); color: var(--clr-ink-soft); margin-bottom: 1.1rem; }
/* keep whatever receives focus (first invalid field, alert, confirmation) clear of the fixed header */
.bn-form .field :is(input, select) { scroll-margin-top: 8.5rem; }
.bn-alert {
  border: 1px solid var(--clr-error); border-radius: 12px; background: #FFFAF9; color: #7A1A14;
  padding: 0.8rem 1rem; margin-bottom: 1.1rem; font-size: var(--fs-sm); scroll-margin-top: 6.5rem;
}
.bn-alert[hidden] { display: none; }
.bn-alert a { font-weight: 600; text-decoration: underline; }
.bn-alert:focus, .bn-success:focus { outline: none; }

.bn-submit { width: 100%; margin-top: 0.4rem; font-weight: 600; }
.bn-submit::after { content: none !important; }      /* it already carries the WhatsApp mark */
.bn-submit svg { width: 1.3em; height: 1.3em; fill: currentColor; flex: none; }

.bn-success p, .bn-noscript p { color: var(--clr-ink-soft); margin: 0.6rem 0 1.25rem; }
.bn-success p strong { color: var(--clr-ink); font-weight: 600; }
.bn-edit { width: 100%; margin-top: 0.75rem; }
.bn-noscript li { padding: 0.6rem 0; border-top: 1px solid var(--clr-line); }
.bn-noscript a { color: var(--clr-pink-d); text-decoration: underline; }

/* numbered rows, as in the site's step sections */
.bn-steps { list-style: none; counter-reset: bn-step; max-width: 34rem; margin-top: 1.25rem; border-bottom: 1px solid var(--clr-line); }
.bn-steps li { counter-increment: bn-step; position: relative; padding: 1.1rem 0 1.1rem 4.25rem; border-top: 1px solid var(--clr-line); font-size: var(--fs-sm); line-height: 1.5; color: var(--clr-ink-soft); }
.bn-steps li::before {
  content: counter(bn-step, decimal-leading-zero); position: absolute; left: 0; top: 1rem;
  font-size: 2.1rem; font-weight: 300; line-height: 1; letter-spacing: -0.03em; color: var(--clr-gold);
}
.bn-steps strong { display: block; color: var(--clr-ink); font-weight: 600; }

/* ---------- Treatments ---------- */
.bn-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2rem) clamp(0.9rem, 2.2vw, 1.5rem); margin-top: clamp(1.75rem, 4vw, 3rem); }
@media (min-width: 1000px) { .bn-tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.bn-tile { display: flex; flex-direction: column; height: 100%; border-radius: var(--radius-lg); }
.bn-tile-media { display: block; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; background: var(--clr-cream); outline: 2px solid transparent; outline-offset: 3px; transition: outline-color var(--dur) var(--ease-std); }
.bn-tile-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.bn-tile:hover .bn-tile-media img { transform: scale(1.03); }
.bn-tile-name { margin-top: 0.9rem; }
.bn-tile-text { font-size: var(--fs-sm); line-height: 1.45; color: var(--clr-ink-soft); margin-top: 0.2rem; flex: 1; }
.bn-tile .bn-link { font-size: 0.9375rem; }
.bn-tile.is-selected .bn-tile-media { outline-color: var(--clr-pink-d); }

/* ---------- What to expect ---------- */
.bn-expect-grid { display: grid; gap: 0 clamp(1.5rem, 4vw, 3rem); margin-top: clamp(1.5rem, 4vw, 2.5rem); }
@media (min-width: 768px) { .bn-expect-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.bn-expect-grid li { border-top: 1px solid var(--clr-gold-l); padding: 1.25rem 0 1.5rem; }
.bn-expect-grid p { font-size: var(--fs-sm); line-height: 1.5; color: var(--clr-ink-soft); margin-top: 0.35rem; max-width: 34ch; }

/* ---------- Branches ---------- */
.bn-branch-grid { display: grid; gap: clamp(1rem, 2.5vw, 1.5rem); margin-top: clamp(1.75rem, 4vw, 2.5rem); }
@media (min-width: 768px) { .bn-branch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.bn-branch { border-top: 1px solid var(--clr-line); padding-top: var(--space-md); }
.bn-branch h3 { font-size: var(--fs-h3-lg); }
.bn-branch address { font-style: normal; color: var(--clr-ink-soft); line-height: 1.6; margin-top: 0.6rem; }
.bn-hours { font-size: 0.9rem; font-weight: 600; color: var(--clr-gold-d); margin: 0.6rem 0 0.4rem; }

/* ---------- Motion ---------- */
@keyframes bn-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes bn-fade { from { opacity: 0; transform: scale(1.015); } to { opacity: 1; transform: none; } }
.bn-rise { animation: bn-rise var(--dur-slow) var(--ease) both; }
.bn-rise:nth-child(2) { animation-delay: 0.05s; }
.bn-rise:nth-child(3) { animation-delay: 0.1s; }
.bn-rise:nth-child(4) { animation-delay: 0.15s; }
.bn-rise:nth-child(5) { animation-delay: 0.2s; }
.bn-hero-media { animation: bn-fade 0.7s var(--ease-std) 0.1s both; }

@media (prefers-reduced-motion: reduce) {
  .bn-rise, .bn-hero-media { animation: none; }
  .bn-page *, .bn-page *::before { transition-duration: 0.01ms !important; }
  .bn-tile:hover .bn-tile-media img, .bn-link:hover .bn-chev, .bn-tile:hover .bn-chev { transform: none; }
}