/* ============================================================
   ThreadWork — public website shared styles
   Brand tokens from Brand Identity Guideline 2026
   ============================================================ */
:root {
  /* Colour scheme (exact HEX from guideline) */
  --tw-dark-blue:  #162042; /* primary bg + text on light */
  --tw-beige:      #F4F0E7; /* primary light bg */
  --tw-dark-beige: #D7D1C3;
  --tw-brown:      #ACA48F;
  --tw-orange:     #EA6C3A; /* accent — CTAs, links, highlights */
  --tw-orange-700: #D45F31; /* pressed/hover */
  --tw-yellow:     #ECF170; /* accent — very sparingly */
  --tw-white:      #FFFFFF;

  /* Derived surfaces */
  --tw-card:        #FBFAF6;
  --tw-card-blue:   #1C2950;
  --tw-line:        #E4DECF;          /* warm sand divider on beige */
  --tw-line-blue:   rgba(244,240,231,0.14);
  --tw-ink:         #162042;
  --tw-ink-soft:    #4C5067;          /* warm-blue secondary text */
  --tw-ink-mute:    #6E7187;
  --tw-on-blue:     #F4F0E7;
  --tw-on-blue-soft:#BDC2D6;

  /* Typography */
  --tw-font-display: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  --tw-font-body:    "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --tw-radius: 14px;
  --tw-radius-lg: 22px;
  --tw-radius-sm: 10px;

  --tw-shadow-card: 0 1px 2px rgba(16,20,40,.05), 0 12px 30px rgba(16,20,40,.06);
  --tw-shadow-btn:  0 1px 2px rgba(10,13,18,.08), inset 0 -2px 0 rgba(10,13,18,.10), inset 0 0 0 1px rgba(10,13,18,.06);

  --tw-maxw: 1180px;
  --tw-gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--tw-font-body);
  background: var(--tw-beige);
  color: var(--tw-ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--tw-orange); text-decoration: none; }
a:hover { color: var(--tw-orange-700); }

h1, h2, h3, h4 {
  font-family: var(--tw-font-display);
  font-weight: 600;
  color: var(--tw-ink);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.06;
  text-wrap: balance;
}

.tw-container { max-width: var(--tw-maxw); margin: 0 auto; padding-inline: var(--tw-gutter); }
.tw-wide { max-width: 1340px; margin: 0 auto; padding-inline: var(--tw-gutter); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--tw-font-body);
  font-weight: 600; font-size: 16px; line-height: 1;
  padding: 14px 22px; border-radius: var(--tw-radius);
  border: 0; cursor: pointer; white-space: nowrap;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--tw-orange); color: #fff; box-shadow: var(--tw-shadow-btn); }
.btn-primary:hover { background: var(--tw-orange-700); color: #fff; }
.btn-ghost { background: transparent; color: var(--tw-ink); box-shadow: inset 0 0 0 1.5px rgba(22,32,66,.22); }
.btn-ghost:hover { background: rgba(22,32,66,.05); color: var(--tw-ink); }
.btn-on-blue { background: var(--tw-beige); color: var(--tw-dark-blue); box-shadow: var(--tw-shadow-btn); }
.btn-on-blue:hover { background: #fff; color: var(--tw-dark-blue); }
.btn-lg { padding: 16px 28px; font-size: 17px; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Header ---------- */
.tw-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244,240,231,.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--tw-line);
}
.tw-header-inner {
  max-width: 1340px; margin: 0 auto; padding: 14px var(--tw-gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.tw-brand { display: inline-flex; align-items: center; }
.tw-brand img { height: 28px; width: auto; }
.tw-nav { display: flex; align-items: center; gap: 30px; }
.tw-nav a {
  color: var(--tw-ink-soft); font-weight: 500; font-size: 15.5px;
  letter-spacing: -0.005em; transition: color .15s ease;
}
.tw-nav a:hover { color: var(--tw-ink); }
.tw-header-cta { display: flex; align-items: center; gap: 14px; }
.tw-menu-btn { display: none; }

/* ---------- Footer ---------- */
.tw-footer { background: var(--tw-dark-blue); color: var(--tw-on-blue); }
.tw-footer a { color: var(--tw-on-blue-soft); }
.tw-footer a:hover { color: #fff; }
.tw-footer-inner {
  max-width: var(--tw-maxw); margin: 0 auto; padding: 64px var(--tw-gutter) 40px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
}
.tw-footer-brand img { height: 26px; margin-bottom: 18px; }
.tw-footer-brand p { color: var(--tw-on-blue-soft); font-size: 15px; max-width: 30ch; margin: 0; }
.tw-footer-col h4 { color: #fff; font-family: var(--tw-font-body); font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.tw-footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.tw-footer-col a, .tw-footer-col address {
  color: var(--tw-on-blue-soft); font-size: 15px; font-style: normal; line-height: 1.55;
}
.tw-footer-bottom {
  max-width: var(--tw-maxw); margin: 0 auto; padding: 0 var(--tw-gutter) 44px;
}
.tw-footer-rule { border: 0; border-top: 1px solid var(--tw-line-blue); margin: 12px 0 22px; }
.tw-footer-legal {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
  color: var(--tw-on-blue-soft); font-size: 13.5px;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 860px) {
  .tw-nav { display: none; }
  .tw-footer-inner { grid-template-columns: 1fr 1fr; }
  .tw-footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .tw-header-cta .btn-text-hide { display: none; }
  .tw-footer-inner { grid-template-columns: 1fr; }
}

/* ---------- Beta-signup modal ---------- */
.bm-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vw, 32px);
  background: rgba(22, 32, 66, 0.62);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity .22s ease;
}
.bm-overlay[hidden] { display: none; }
.bm-overlay.bm-open { opacity: 1; }

.bm-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--tw-card);
  border: 1px solid var(--tw-line);
  border-radius: var(--tw-radius-lg);
  padding: 36px clamp(24px, 5vw, 40px) 32px;
  box-shadow: 0 30px 80px rgba(16,20,40,.25), 0 1px 3px rgba(16,20,40,.08);
  transform: translateY(8px) scale(0.985);
  transition: transform .22s cubic-bezier(.2,.6,.2,1);
  outline: 0;
}
.bm-overlay.bm-open .bm-card { transform: none; }

.bm-close {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px; border-radius: 999px;
  background: transparent; color: var(--tw-ink-mute);
  border: 0; cursor: pointer;
  display: grid; place-items: center;
  transition: background-color .15s ease, color .15s ease;
}
.bm-close:hover { background: rgba(22,32,66,.06); color: var(--tw-ink); }
.bm-close:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--tw-orange);
}
.bm-close svg { width: 18px; height: 18px; }

.bm-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  color: var(--tw-ink-soft);
  background: var(--tw-beige);
  border: 1px solid var(--tw-line);
  padding: 6px 12px 6px 10px; border-radius: 999px;
  margin-bottom: 18px;
}
.bm-dot { width: 7px; height: 7px; border-radius: 999px; background: var(--tw-orange); }

.bm-body h2 {
  font-family: var(--tw-font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 30px);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.12;
}
.bm-lede { color: var(--tw-ink-soft); font-size: 16px; line-height: 1.55; margin: 14px 0 0; text-wrap: pretty; }

.bm-form { margin-top: 24px; display: flex; flex-direction: column; gap: 8px; }
.bm-label { font-size: 14px; font-weight: 600; color: var(--tw-ink); }
.bm-input {
  font-family: var(--tw-font-body);
  font-size: 16px; line-height: 1.4;
  padding: 14px 16px;
  border: 1px solid var(--tw-line);
  border-radius: var(--tw-radius);
  background: #fff;
  color: var(--tw-ink);
  outline: 0;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.bm-input::placeholder { color: var(--tw-ink-mute); }
.bm-input:focus-visible {
  border-color: var(--tw-orange);
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--tw-orange);
}

.bm-error { color: #B42318; font-size: 14px; margin: 4px 0 0; }
.bm-submit { margin-top: 16px; width: 100%; }
.bm-submit[disabled] { opacity: 0.72; cursor: progress; }
.bm-fine { color: var(--tw-ink-mute); font-size: 13px; line-height: 1.55; margin: 14px 0 0; }
.bm-fine a { color: var(--tw-ink-mute); text-decoration: underline; text-underline-offset: 2px; }
.bm-fine a:hover { color: var(--tw-orange); }

.bm-success { text-align: center; padding-top: 4px; }
.bm-success-ico {
  width: 56px; height: 56px; border-radius: 999px;
  background: #E6F7EE; color: #079455;
  display: grid; place-items: center;
  margin: 4px auto 18px;
}
.bm-success-ico svg { width: 28px; height: 28px; }
.bm-success .bm-close-btn { margin-top: 22px; min-width: 140px; }

@media (max-width: 480px) {
  .bm-card { padding: 32px 22px 26px; border-radius: var(--tw-radius); }
  .bm-body h2 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .bm-overlay, .bm-card { transition: none; }
}