/* ═══════════════════════════════════════════════════════
   COLLAB — collab.css
   Used by both index.html (overlay) and collab.html (page)
   ═══════════════════════════════════════════════════════ */

/* ─── Overlay shell ─── */
.collab-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}

.collab-overlay.is-open {
  visibility: visible;
  pointer-events: auto;
}

.collab-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(34, 24, 32, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .3s ease;
  cursor: pointer;
}

.collab-overlay__panel {
  position: relative;
  z-index: 1;
  width: min(860px, 96vw);
  max-height: 92vh;
  overflow-y: auto;
  background: var(--cream);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(34, 24, 32, .28);
  margin-top: 4vh;
  transform: translateY(24px);
  opacity: 0;
  transition: transform .35s cubic-bezier(.22,.68,0,1.2), opacity .3s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--pink-lt) transparent;
}

/* open state */
.collab-overlay.is-open .collab-overlay__backdrop { opacity: 1; }
.collab-overlay.is-open .collab-overlay__panel    { transform: translateY(0); opacity: 1; }

.collab-overlay__close {
  position: sticky;
  top: 1.25rem;
  float: right;
  margin: 1.25rem 1.25rem 0 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--cream-dk);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-lt);
  transition: border-color .15s, color .15s;
  z-index: 2;
}
.collab-overlay__close:hover { border-color: var(--pink); color: var(--pink); }
.collab-overlay__close svg   { width: 16px; height: 16px; }

.collab-overlay__inner {
  padding: 2rem 3rem 3.5rem;
  clear: both;
}

/* overlay header */
.collab-overlay__header {
  margin-bottom: 2.5rem;
}

.collab-overlay__title {
  display: flex;
  flex-direction: column;
  gap: .1em;
  margin: .75rem 0 .85rem;
}
.collab-overlay__title .script { font-size: 2.5rem; line-height: 1; }
.collab-overlay__title .serif  { font-size: 3rem; line-height: 1; color: var(--dark); }

.collab-overlay__sub {
  font-size: .975rem;
  color: var(--text-lt);
  line-height: 1.65;
  max-width: 56ch;
}

/* keep process & enquiry sections compact inside the overlay */
.collab-overlay .process {
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--cream-dk);
  margin-top: .5rem;
}
.collab-overlay .process::before { display: none; }
.collab-overlay .process__heading { margin-bottom: 2rem; }

.collab-overlay .enquiry {
  padding: 2rem 0 0;
}
.collab-overlay .enquiry::before { display: none; }
.collab-overlay .enquiry__header { margin-bottom: 1.75rem; }

.overlay-cta {
  font-size: 1rem;
  color: var(--text-lt);
  margin-bottom: 1.5rem;
}

/* footer nav button (unstyled, looks like a link) */
.footer__nav-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: .92rem;
  color: rgba(255,255,255,.70);
  cursor: pointer;
  transition: color .15s;
  text-align: left;
}
.footer__nav-btn:hover { color: var(--pink); }

/* ─── Nav ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(242, 237, 228, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-dk);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.nav__logo {
  font-size: 1.6rem;
  color: var(--burgundy);
  text-decoration: none;
}

.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav__links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-lt);
  text-decoration: none;
  transition: color .15s;
}
.nav__links a:hover,
.nav__links .nav__active {
  color: var(--pink-dk);
}

/* ─── Collab Hero ─── */
.collab-hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.collab-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 80% at 95% 40%, rgba(242,84,125,.10) 0%, transparent 65%),
    radial-gradient(ellipse 35% 50% at 5% 80%, rgba(125,207,182,.10) 0%, transparent 55%);
  pointer-events: none;
}

.collab-hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
}

.collab-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 640px;
}

.collab-hero__headline {
  display: flex;
  flex-direction: column;
  gap: .1em;
}
.collab-hero__headline .script { font-size: 3rem; line-height: 1; }
.collab-hero__headline .serif  { font-size: 4rem; line-height: 1; color: var(--dark); }

.collab-hero__sub {
  font-size: 1.05rem;
  color: var(--text-lt);
  line-height: 1.7;
  max-width: 52ch;
}

.collab-hero__deco {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-end;
  padding-right: 2rem;
  opacity: .7;
}

/* ─── Process ─── */
.process {
  padding: 5rem 0;
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--pink-lt), transparent);
}

.process__heading {
  margin-bottom: 3rem;
}

.process__steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 0 1rem;
}

.process__step:first-child { padding-left: 0; }
.process__step:last-child  { padding-right: 0; }

.process__arrow {
  font-size: 1.25rem;
  color: var(--pink);
  padding-top: 1rem;
  align-self: flex-start;
  opacity: .5;
}

.process__num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--pink-lt);
  border: 2px solid var(--blush);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: .9rem;
  color: var(--pink-dk);
  flex-shrink: 0;
}

.process__body h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: .35rem;
}

.process__body p {
  font-size: .875rem;
  color: var(--text-lt);
  line-height: 1.65;
}

/* ─── Enquiry ─── */
.enquiry {
  padding: 5rem 0 8rem;
  position: relative;
}

.enquiry::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--pink-lt), transparent);
}

.enquiry__header {
  margin-bottom: 2.5rem;
}

.enquiry__sub {
  font-size: 1rem;
  color: var(--text-lt);
  line-height: 1.7;
  max-width: 60ch;
  margin-top: .75rem;
}

.enquiry__email-inline {
  color: var(--pink-dk);
  font-weight: 500;
  transition: color .15s;
}
.enquiry__email-inline:hover { color: var(--pink); }

/* ─── Form ─── */
.enquiry__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* Honeypot – invisible to real users, filled in by bots */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.form-group label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--dark);
  letter-spacing: .02em;
}

.form-label-note {
  font-weight: 400;
  color: var(--text-lt);
  font-size: .78rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--text);
  background: #fff;
  border: 1.5px solid var(--cream-dk);
  border-radius: 8px;
  padding: .75rem 1rem;
  width: 100%;
  transition: border-color .18s, box-shadow .18s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-lt);
  opacity: .7;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(242, 84, 125, .12);
}

/* Validation error state – applied by JS when a required field is empty */
.form-group input.field--error,
.form-group select.field--error,
.form-group textarea.field--error {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, .12);
}
.form-group input.field--error:focus,
.form-group select.field--error:focus,
.form-group textarea.field--error:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(242, 84, 125, .12);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A6268' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: .5rem;
  flex-wrap: wrap;
}

.form-privacy {
  font-size: .78rem;
  color: var(--text-lt);
  line-height: 1.5;
  max-width: 40ch;
}

.form-privacy a {
  color: var(--pink-dk);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit {
  flex-shrink: 0;
  font-size: 1rem;
  padding: .9em 2.5em;
  border: none;
  cursor: pointer;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  /* Overlay */
  .collab-overlay__panel { margin-top: 0; border-radius: 16px 16px 0 0; max-height: 96vh; align-self: flex-end; }
  .collab-overlay__inner { padding: 1.5rem 1.25rem 2.5rem; }
  .collab-overlay__title .script { font-size: 1.9rem; }
  .collab-overlay__title .serif  { font-size: 2.25rem; }

  /* Collab hero */
  .collab-hero { padding: 3.5rem 0 3rem; }
  .collab-hero__inner { grid-template-columns: 1fr; }
  .collab-hero__deco  { display: none; }
  .collab-hero__headline .script { font-size: 2.2rem; }
  .collab-hero__headline .serif  { font-size: 2.8rem; }

  /* Process steps: stack vertically */
  .process__steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .process__arrow { display: none; }
  .process__step {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
    padding: 0;
  }
  .process__num { flex-shrink: 0; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .form-footer { flex-direction: column; align-items: flex-start; }
  .form-submit { width: 100%; text-align: center; }
}

@media (max-width: 540px) {
  /* Nav: tighten up for small screens */
  .nav__inner { flex-wrap: wrap; gap: .5rem; padding-block: .75rem; }
  .nav__links { gap: 1rem; flex-wrap: wrap; }
  .nav__links a { font-size: .8rem; }
  .nav__logo { font-size: 1.35rem; }
}

@media (max-width: 400px) {
  .nav__links { gap: .6rem; }
  .nav__links a { font-size: .75rem; }
}