/* =============================================================
   Concept 03 · Contact page
   Inherits all tokens from styles.css; adds form + aside layout.
   ============================================================= */

/* ---- Page intro ---- */
.c-intro {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
  position: relative;
  max-width: 760px;
}
.c-intro .kicker {
  margin: 0 0 22px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.c-intro .kicker::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.c-intro h1 {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.c-intro__sub {
  margin: 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.55;
  max-width: 60ch;
}

/* ---- Layout ---- */
.c-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr);
  gap: 56px;
  padding: 56px 0 80px;
  align-items: start;
}

/* ---- Form ---- */
.c-form {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px 32px 28px;
}
.c-form__h {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.c-form__note {
  margin: 0 0 24px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-mute);
}

.c-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.c-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.c-field label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.c-field label .opt {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-dim);
  font-weight: 400;
  font-size: 11.5px;
  margin-left: 4px;
}

.c-field input,
.c-field textarea {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 12px 14px;
  border-radius: 0;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.c-field input:hover,
.c-field textarea:hover { border-color: var(--ink-dim); }
.c-field input:focus,
.c-field textarea:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(53,81,118,0.10);
}
.c-field textarea {
  resize: vertical;
  min-height: 140px;
}

.c-counter {
  margin: 4px 0 0;
  text-align: right;
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
}

/* ---- Fieldset (used for radio groups) ---- */
.c-fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 18px;
}
.c-fieldset legend {
  padding: 0;
  margin-bottom: 6px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

/* ---- Pills (radio group) ---- */
.c-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 0 2px;
}
.pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.pill span {
  display: inline-block;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--bg);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.pill:hover span { border-color: var(--ink-dim); color: var(--ink); }
.pill input:checked + span {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}
.pill input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Actions ---- */
.c-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
button.btn {
  font: inherit;
  cursor: pointer;
}
.c-status {
  margin: 0;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.4;
}
.c-status--ok { color: var(--accent); }
.c-status--err { color: oklch(0.5 0.16 25); }

/* ---- Aside ---- */
.c-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.c-aside__h {
  margin: 0 0 4px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

.c-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.c-channels li { margin: 0; }
.c-channel {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: padding 0.18s;
}
.c-channel:hover { padding-left: 8px; }
.c-channel:hover .c-channel__a { color: var(--accent); transform: translate(3px, -2px); }
.c-channel__k {
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.c-channel__v {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink);
  line-height: 1.3;
}
.c-channel__a {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-dim);
  transition: color 0.15s, transform 0.15s;
}

/* ---- Aside cards ---- */
.c-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 20px 22px;
}
.c-card--quiet {
  border-left-color: var(--line);
  background: transparent;
}
.kicker--card {
  margin: 0 0 10px;
  display: block;
}
.c-card__line {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.c-card__line .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(53,81,118,0.5);
  animation: c-pulse 2s infinite;
}
@keyframes c-pulse {
  0% { box-shadow: 0 0 0 0 rgba(53,81,118,0.35); }
  70% { box-shadow: 0 0 0 8px rgba(53,81,118,0); }
  100% { box-shadow: 0 0 0 0 rgba(53,81,118,0); }
}
.c-card__sub {
  margin: 0;
  font-family: var(--serif);
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.c-card__list {
  margin: 0;
  padding-left: 18px;
  font-family: var(--serif);
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.c-card__list li { margin: 0 0 4px; }
.c-card__list li::marker { color: var(--ink-dim); }

/* ---- Responsive ---- */
@media (max-width: 880px) {
  .c-grid { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 64px; }
  .c-row { grid-template-columns: 1fr; }
  .c-form { padding: 24px 22px; }
}
@media (max-width: 520px) {
  .c-intro { padding: 48px 0 32px; }
  .c-channel { grid-template-columns: 70px 1fr auto; }
}