/* ═══════════════════════════════════════════════════════════════
   Arble — Contact page styles
   Editorial, minimal, matching site.css & about.css design tokens.
   ═══════════════════════════════════════════════════════════════ */

/* ── Reveal animation ── */
.rv {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.rv--d1 { transition-delay: .08s; }
.rv--d2 { transition-delay: .16s; }

.rv.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .rv {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Contact Hero ── */
.ct-hero {
  padding-block: clamp(120px, 12vw, 150px) clamp(50px, 6vw, 70px);
  background: var(--paper);
  text-align: center;
}

.ct-hero__inner {
  max-width: 680px;
  margin-inline: auto;
}

.ct-hero__inner .tagpill {
  margin-block-end: 18px;
}

.ct-hero__title {
  font-family: var(--display-font);
  font-feature-settings: "blwf" on, "cv09" on, "cv03" on, "cv04" on, "cv11" on;
  font-weight: 500;
  letter-spacing: -.03em;
  font-size: clamp(32px, 3.8vw, 48px);
  line-height: 1.15;
  color: var(--ink);
  margin-block-end: 18px;
}

.ct-hero__lead {
  max-width: 580px;
  margin-inline: auto;
}

/* ── Main Section Layout ── */
.sec--ct {
  padding-block-end: clamp(80px, 10vw, 120px);
}

.ct-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}

@media (max-width: 860px) {
  .ct-layout {
    grid-template-columns: 1fr;
  }
}

/* ── Form Card Container ── */
.ct-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(28px, 3.5vw, 44px);
  box-shadow: var(--sh-card);
}

.ct-card__title {
  font-family: var(--display-font);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: -.02em;
  color: var(--ink);
  margin-block-end: 6px;
}

.ct-card__sub {
  font-size: 15px;
  color: var(--ink-2);
  margin-block-end: 32px;
}

/* ── Form Elements ── */
.ct-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ct-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 540px) {
  .ct-form__row {
    grid-template-columns: 1fr;
  }
}

.ct-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ct-field__label {
  font-family: var(--display-font);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.ct-field__opt {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 400;
}

.ct-field__input,
.ct-field__textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.ct-field__input::placeholder,
.ct-field__textarea::placeholder {
  color: var(--ink-3);
}

.ct-field__input:focus,
.ct-field__textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.ct-field__textarea {
  resize: vertical;
  min-height: 120px;
}

.ct-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-block: 4px;
}

.ct-check__input {
  margin-block-start: 3px;
  accent-color: var(--ink);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.ct-check__label {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}

.ct-check__label a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ct-submit {
  width: 100%;
  margin-block-start: 8px;
}

.ct-submit svg {
  width: 16px;
  height: 16px;
  transition: transform .25s var(--ease);
}

.ct-submit:hover svg {
  transform: translateX(3px);
}

/* ── Channels Sidebar ── */
.ct-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ct-channel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.ct-channel:hover {
  border-color: var(--line-2);
  box-shadow: var(--sh-1);
}

.ct-channel__ic {
  width: 24px;
  height: 24px;
  color: var(--ink-2);
  flex-shrink: 0;
  margin-block-start: 2px;
}

.ct-channel__ic svg {
  width: 100%;
  height: 100%;
}

.ct-channel__t {
  font-family: var(--display-font);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--ink);
  margin-block-end: 4px;
}

.ct-channel__d {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
  margin-block-end: 8px;
}

.ct-channel__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.ct-channel__link:hover {
  color: var(--accent);
}