/* ==========================================================================
   Components — logos, buttons, navigation, cards, tabs, forms
   ========================================================================== */

/* ---------- Logos ---------- */
.logo { display: block; height: auto; }
.logo--nav { width: 112px; }
.logo--hero { width: clamp(200px, min(30vw, 36vh), 420px); margin-bottom: clamp(14px, 2.4vh, 34px); }
.logo--foot { width: 190px; margin-bottom: 18px; }

.logo--sapri {
  display: block;
  width: clamp(110px, min(13vw, 15vh), 164px);
  aspect-ratio: 3.906;
  margin-bottom: clamp(10px, 1.6vh, 22px);
  background: var(--lg-sapri) left center / contain no-repeat;
}

.org-band {
  display: block;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4.0588;
  background: var(--lg-band) center / contain no-repeat;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border: 0;
  border-radius: var(--r-pill);
  font-family: var(--display);
  font-weight: 800;
  font-size: 14.5px;
  letter-spacing: .005em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .2s;
}
.btn--solid { background: #fff; color: var(--deep); }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(255, 255, 255, .18); }
.btn--brand { background: var(--c-magenta); color: var(--dark-ink); }
.btn--brand:hover { transform: translateY(-2px); background: #FF55B2; box-shadow: 0 14px 36px rgba(255, 45, 155, .32); }
.btn--ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .34); }
.btn--ghost:hover { background: rgba(255, 255, 255, .08); }
.btn--dark { background: var(--dark-ink); color: #fff; }
.btn--dark:hover { background: #231464; box-shadow: 0 14px 34px rgba(0, 0, 0, .3); }
.btn--sm { padding: 11px 20px; font-size: 13.5px; }
.btn--block { width: 100%; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(24, 15, 69, 0);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, backdrop-filter .35s ease, border-color .35s ease;
}
.nav.is-stuck {
  background: rgba(24, 15, 69, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hair-2);
}
.nav__in {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px var(--pad);
}
.nav__brand {
  display: block;
  flex: 0 0 auto;
  text-decoration: none;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .32s ease, transform .32s ease;
}
.nav.is-stuck .nav__brand,
.nav.is-open .nav__brand { opacity: 1; transform: none; pointer-events: auto; }

.nav__links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav__links a:not(.btn) {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--soft);
  text-decoration: none;
  transition: color .2s;
}
.nav__links a:not(.btn):hover,
.nav__links a[aria-current="true"] { color: #fff; }

@media (max-width: 1000px) {
  .nav__in { gap: 18px; }
  .nav__links { gap: 16px; }
  .nav__links a:not(.btn) { font-size: 14px; }
}

.nav__toggle {
  display: none;
  margin-left: auto;
  padding: 9px 12px;
  background: none;
  border: 1px solid var(--hair);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav.is-open .nav__links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 10px var(--pad) 22px;
    background: rgba(24, 15, 69, .97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--hair-2);
  }
  .nav.is-open .nav__links a:not(.btn) {
    width: 100%;
    padding: 13px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--hair-2);
  }
  .nav.is-open .nav__links .btn { width: 100%; margin-top: 14px; }
}

/* ---------- Colour cards (audiences + ecosystems) ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--bg);
  color: var(--fg);
}
.card--magenta { --bg: var(--grad-magenta); --fg: var(--dark-ink); }
.card--cyan { --bg: var(--grad-cyan); --fg: var(--dark-ink); }
.card--violet { --bg: var(--grad-violet); --fg: #fff; }
.card--violet-cyan { --bg: var(--grad-violet-cyan); --fg: #fff; }
.card--amber { --bg: var(--grad-amber); --fg: var(--dark-ink); }

/* ---------- Tabs ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.tab {
  padding: 12px 20px;
  background: transparent;
  border: 0;
  border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1px var(--hair);
  color: var(--soft);
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: color .2s, background .2s, box-shadow .2s;
}
.tab:hover { color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .4); }
.tab[aria-selected="true"] { background: #fff; color: var(--deep); box-shadow: none; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 13px; }
/* align-items: start keeps a field from stretching when its neighbour shows an error */
.form__row { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 13px; }
.form__note { font-size: 12.5px; color: rgba(255, 255, 255, .72); }

.field { display: grid; align-content: start; gap: 6px; }
.field label { font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: rgba(255, 255, 255, .9); }
.field label abbr { text-decoration: none; opacity: .7; }
.field input,
.field select {
  width: 100%;
  padding: 13px 14px;
  background: #fff;
  border: 0;
  border-radius: var(--r-sm);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .06);
  color: var(--dark-ink);
  font-size: 15.5px;
}
.field input::placeholder { color: #9A93B5; }
.field input:focus,
.field select:focus { outline: 3px solid rgba(255, 255, 255, .78); outline-offset: 1px; }
.field input[aria-invalid="true"] { box-shadow: inset 0 0 0 2px var(--c-coral); }
.field select option { background: #fff; color: var(--dark-ink); }
.field__error { font-size: 12.5px; font-weight: 600; color: #fff; }

@media (max-width: 720px) {
  .form__row { grid-template-columns: 1fr; }
}

/* ---------- Eyebrow (numbered section label) ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  /* White text with a black contour, identical on every section background */
  color: #fff;
  text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
}
/* number → rule → label */
.eyebrow::before { content: ""; width: 32px; height: 1px; background: #fff; box-shadow: 0 0 0 1px #000; }
.eyebrow span { order: -1; font-weight: 900; }

/* ---------- Gradient text ---------- */
.text-spectrum {
  background: linear-gradient(100deg, var(--c-magenta), var(--c-orange) 45%, var(--c-amber) 75%, var(--c-green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Button arrow ---------- */
.btn__arrow { width: 16px; height: 16px; flex: 0 0 auto; transition: transform .2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Nav scroll progress ---------- */
.nav__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: #fff;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  opacity: 0;
  transition: opacity .3s ease;
}
.nav.is-stuck .nav__progress { opacity: 1; }

/* ---------- Card hover ---------- */
.card { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
@media (hover: hover) {
  .card:hover { transform: translateY(-6px); box-shadow: 0 28px 50px -24px rgba(0, 0, 0, .55); }
}

/* ---------- Scroll reveal (driven by js/reveal.js) ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .8s var(--ease) var(--reveal-delay, 0ms),
    transform .8s var(--ease) var(--reveal-delay, 0ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Form states ---------- */
.form .btn:disabled { opacity: .7; cursor: progress; transform: none; }
.form__status {
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(22, 11, 69, .35);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}
.form__status a { font-weight: 700; }

/* Honeypot: off-screen rather than display:none, which some bots skip */
.form__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Form motion ---------- */
@keyframes shake {
  0%, 100% { transform: none; }
  20% { transform: translateX(-7px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}
.form.is-shaking { animation: shake .42s var(--ease); }

@keyframes slide-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
.field__error,
.form__status:not([hidden]) { animation: slide-in .25s var(--ease) both; }

/* Label picks up the focus colour of its field */
.field label { transition: color .15s; }
.field:focus-within label { color: var(--c-violet); }

@keyframes spin { to { transform: rotate(360deg); } }
.btn__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}