/* ==========================================================
   CONTACT PAGE — TreeFrog Therapeutics
   Tokens come from assets/colors_and_type.css.
   ========================================================== */

:root {
  --line-light: rgba(25, 65, 57, 0.18);
  --line-dark:  rgba(250, 250, 247, 0.20);
}

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================== HERO ============================== */
.contact-hero {
  position: relative;
  max-width: 1600px; margin: 0 auto;
  padding: 200px var(--margin-x) 100px;
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}
.contact-hero__crumb {
  display: flex; gap: 14px; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--mono-tag);
  margin-bottom: 64px;
}
.contact-hero__crumb .diamond { color: var(--frog-vif); }
.contact-hero__crumb a { color: var(--mono-tag); text-decoration: none; }
.contact-hero__crumb a:hover { color: var(--ink); }
.contact-hero__crumb .here { color: var(--ink); }

.contact-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 9vw, 160px);
  line-height: 0.92;
  letter-spacing: -0.022em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
  max-width: 16ch;
}
.contact-hero__title em {
  font-style: italic; font-weight: 400;
}
.contact-hero__title .period { color: var(--coral); }
.contact-hero__title p { margin: 0; font: inherit; color: inherit; }

.contact-hero__lede {
  margin-top: 56px;
  max-width: 540px;
  font-family: var(--font-body);
  font-size: 20px; line-height: 1.5;
  color: var(--ink);
}

.contact-hero__mark {
  position: absolute;
  top: 80px; right: var(--margin-x);
  width: clamp(140px, 18vw, 280px); height: auto;
  opacity: 0.10;
  pointer-events: none;
  transform: rotate(-8deg);
}

/* ============================== CONTACT BODY ============================== */
.contact-body {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--margin-x) 200px;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 120px;
  border-top: var(--hair);
  padding-top: 80px;
}

.contact-info { display: flex; flex-direction: column; gap: 56px; }

.info-block { display: flex; flex-direction: column; }
.info-block__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mono-tag);
  padding-bottom: 18px;
  border-bottom: var(--hair);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 14px;
}
.info-block__label .num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--frog);
}

.info-address {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(28px, 2.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}
.info-address strong { font-style: normal; font-weight: 400; }

.info-meta {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--mono-tag);
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.info-meta .diamond { color: var(--frog-vif); }

.info-email {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 2.4vw, 36px);
  line-height: 1.1;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  transition: color var(--t-fast);
  word-break: break-word;
}
.info-email:hover { color: var(--frog); }
.info-email .underline-word {
  text-decoration: underline;
  text-decoration-color: var(--frog-vif);
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
}
.info-email__arrow {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  transform: translateY(-4px);
  transition: background var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
}
.info-email__arrow svg { width: 14px; height: 14px; stroke: var(--ink); transition: transform var(--t-base) var(--ease-out); }
.info-email:hover .info-email__arrow { background: var(--ink); }
.info-email:hover .info-email__arrow svg { stroke: var(--paper); transform: rotate(-45deg); }

.info-quote {
  margin: 0;
  padding-top: 32px;
  border-top: var(--hair);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.32;
  color: var(--ink);
  max-width: 360px;
  text-wrap: pretty;
}
.info-quote .frog-vif { color: var(--frog-vif); font-style: italic; }
.info-quote p { margin: 0; font: inherit; color: inherit; }

/* ============================== FORM ============================== */
.contact-form {
  display: flex;
  flex-direction: column;
}
.form-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 32px;
  padding-bottom: 24px;
  border-bottom: var(--hair);
  margin-bottom: 48px;
}
.form-head__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mono-tag);
}
.form-head__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  color: var(--mono-tag);
}

.field {
  display: flex; flex-direction: column;
  padding: 14px 0 0;
  margin-bottom: 36px;
  position: relative;
}
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--mono-tag);
  margin-bottom: 14px;
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.field label .req { color: var(--coral); }
.field input,
.field textarea {
  font-family: var(--font-body);
  font-size: 22px;
  line-height: 1.4;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-30);
  padding: 6px 0 16px;
  color: var(--ink);
  width: 100%;
  border-radius: 0;
  outline: none;
  transition: border-color var(--t-base) var(--ease-out);
  resize: none;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-30); }
.field input:focus,
.field textarea:focus { border-bottom-color: var(--frog); }
.field textarea { min-height: 140px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.form-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: var(--hair);
}
.form-consent {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  color: var(--mono-tag);
  max-width: 380px;
}
.form-consent p { margin: 0; font: inherit; color: inherit; }
.form-consent a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--ink-30);
  text-underline-offset: 4px;
}
.form-consent a:hover { text-decoration-color: var(--frog); }

.submit-btn {
  display: inline-flex; align-items: center; gap: 18px;
  font-family: var(--font-body); font-weight: 500; font-size: 15px;
  color: var(--ink); background: transparent; border: 0;
  padding: 0; cursor: pointer; text-decoration: none;
}
.submit-btn .circle {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1px solid var(--ink); background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
}
.submit-btn .circle svg { stroke: var(--ink); transition: stroke var(--t-base), transform var(--t-base) var(--ease-out); }
.submit-btn:hover .circle { background: var(--ink); }
.submit-btn:hover .circle svg { stroke: var(--paper); transform: rotate(-45deg); }
.submit-btn:active { opacity: 0.7; }

/* ============================== NEWSLETTER (dark slab) ============================== */
.newsletter {
  background: var(--frog-deep);
  color: var(--paper);
  padding: 120px var(--margin-x);
  position: relative;
  overflow: hidden;
}
.newsletter__inner {
  max-width: 1600px; margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: end;
}
.newsletter__overline {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(244,241,234,0.5);
  margin-bottom: 32px;
  display: flex; gap: 14px; align-items: center;
}
.newsletter__overline .diamond { color: var(--frog-vif); }
.newsletter__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 5.6vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--paper);
  text-wrap: balance;
}
.newsletter__title em { font-style: italic; }
.newsletter__title p { margin: 0; font: inherit; color: inherit; }
.newsletter__right {
  display: flex; flex-direction: column;
  gap: 36px;
  padding-bottom: 10px;
}
.newsletter__lede {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
  color: rgba(244,241,234,0.78);
  margin: 0;
  max-width: 460px;
}
.newsletter__form {
  display: flex; align-items: flex-end;
  gap: 24px;
  border-bottom: 1px solid rgba(244,241,234,0.30);
  padding-bottom: 14px;
}
.newsletter__form input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 20px;
  background: transparent; border: 0; outline: none;
  color: var(--paper);
  padding: 12px 0;
}
.newsletter__form input::placeholder { color: rgba(244,241,234,0.4); }
.newsletter__form button {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--paper);
  background: transparent;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background var(--t-base) var(--ease-out);
}
.newsletter__form button svg { stroke: var(--paper); transition: stroke var(--t-base), transform var(--t-base) var(--ease-out); }
.newsletter__form button:hover { background: var(--paper); }
.newsletter__form button:hover svg { stroke: var(--frog-deep); transform: rotate(-45deg); }

/* ============================== RESPONSIVE ============================== */
@media (max-width: 900px) {
  .contact-hero { padding-top: 160px; padding-bottom: 64px; }
  .contact-hero__crumb { margin-bottom: 40px; }
  .contact-hero__mark { top: auto; bottom: -40px; right: -20px; opacity: 0.07; }
  .contact-body { grid-template-columns: 1fr; gap: 64px; padding-bottom: 120px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-foot { flex-direction: column; align-items: flex-start; gap: 24px; }
  .newsletter { padding: 80px var(--margin-x); }
  .newsletter__inner { grid-template-columns: 1fr; gap: 40px; align-items: start; }
  .newsletter__form { flex-direction: row; }
}
@media (max-width: 640px) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== Contact form: honeypot + AJAX status message ===== */
.contact-form .hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px; overflow: hidden;
}
.contact-form .form-msg {
  margin: 4px 0 0;
  font-family: var(--font-body);
  font-size: 14px; line-height: 1.5;
  padding: 12px 16px; border-radius: 4px;
}
.contact-form .form-msg.is-ok {
  color: var(--frog); background: rgba(8, 222, 150, 0.08);
  border: 0.5px solid rgba(8, 222, 150, 0.4);
}
.contact-form .form-msg.is-error {
  color: #b3261e; background: rgba(179, 38, 30, 0.06);
  border: 0.5px solid rgba(179, 38, 30, 0.35);
}