/* ============================================================
   contact.css — glassmorphic Contact page (dark theme)

   Loaded after base.css. Provides the page layout, an ambient
   gradient backdrop, a frosted info panel and a frosted form
   card. Colours derive from the base.css design tokens.
   ============================================================ */

/* ── Page shell + ambient backdrop ──────────────────────────── */
.contact-page {
  position: relative;
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}

.contact-page::before {
  content: '';
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 760px;
  height: 520px;
  background: radial-gradient(ellipse at center, rgba(85, 141, 255, 0.28), transparent 70%);
  filter: blur(110px);
  opacity: 0.7;
  z-index: 0;
  pointer-events: none;
}

.contact-page .container {
  position: relative;
  z-index: 1;
}

/* ── Intro heading ──────────────────────────────────────────── */
.contact-intro {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem;
}

.contact-intro h1 {
  font-size: 2.75rem;
  margin-bottom: 0.85rem;
}

.contact-intro p {
  color: var(--neutral-500);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* ── Two-column layout ──────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
  align-items: stretch;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
    max-width: 540px;
    padding: 0 1rem;
  }
}

/* ── Get In Touch column (open, spacious — no card box) ─────── */
.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 3rem;
  padding: 1.5rem 1rem;
}

.contact-info-title {
  font-size: 2rem;
  margin-bottom: 0.85rem;
}

.contact-info-lead {
  color: var(--neutral-500);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 0;
  max-width: 38ch;
}

.contact-info-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--neutral-900);
}

.contact-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
}

.contact-info-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-xl);
  background: rgba(85, 141, 255, 0.14);
  border: 1px solid rgba(85, 141, 255, 0.28);
  color: var(--primary-light);
}

.contact-info-text h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--neutral-900);
}

.contact-info-text p {
  margin: 0;
  color: var(--neutral-500);
  font-size: 0.975rem;
  line-height: 1.6;
}

.contact-info-text a {
  color: var(--primary-light);
}

/* ── Form card container ────────────────────────────────────── */
.contact-form-card {
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-subtle-strong);
  background: rgba(20, 22, 28, 0.55);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  backdrop-filter: blur(24px) saturate(140%);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03),
    0 30px 60px -15px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

/* ── Card header ────────────────────────────────────────────── */
.contact-form-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(85, 141, 255, 0.06);
}

.contact-form-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-xl);
  background: rgba(85, 141, 255, 0.15);
  color: var(--primary-light);
  flex-shrink: 0;
  animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(85, 141, 255, 0); }
  50%       { box-shadow: 0 0 0 6px rgba(85, 141, 255, 0.18); }
}

.contact-form-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 0.15rem;
}

.contact-form-subtitle {
  font-size: 0.8125rem;
  color: var(--neutral-500);
  margin: 0;
}

/* ── Form body layout ───────────────────────────────────────── */
.contact-form-body {
  padding: 1.75rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.37rem;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .contact-form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-header,
  .contact-form-body {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .contact-info {
    padding: 0.5rem 0;
  }
}

/* ── Field group ────────────────────────────────────────────── */
.contact-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--neutral-700);
}

.contact-required {
  color: var(--primary-color);
}

/* ── Validation errors ──────────────────────────────────────── */
.contact-error {
  font-size: 0.8rem;
  color: var(--error);
  margin-top: 0.2rem;
}

.contact-error ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ── Submit button ──────────────────────────────────────────── */
.contact-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  color: #fff;
  background: linear-gradient(120deg, var(--primary-color), var(--primary-dark));
  border-radius: var(--radius-lg);
  margin-top: 0.25rem;
  letter-spacing: 0.01em;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.contact-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px -8px rgba(85, 141, 255, 0.55);
}

.contact-submit-btn:active {
  transform: translateY(0);
}

.contact-send-icon {
  transition: transform var(--transition-fast);
}

.contact-submit-btn:hover .contact-send-icon {
  transform: translateX(3px) translateY(-2px);
}