/* ── Contact section ─────────────────────────────────────── */
.contact {
  padding-block: var(--section-padding-y);
  position: relative;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.contact::before {
  content: '';
  position: absolute;
  bottom: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,87,217,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

/* ── Two-column layout ───────────────────────────────────── */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-12);
  align-items: start;
}

/* ── Left: contact info ──────────────────────────────────── */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__info-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact__info-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,87,217,0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  font-size: 20px;
}

.contact__detail-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact__detail-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.contact__detail-value {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.contact__detail-value a {
  color: inherit;
  transition: color var(--transition-fast);
}

.contact__detail-value a:hover {
  color: var(--color-accent);
}

/* ── Right: form ─────────────────────────────────────────── */
.contact__form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  position: relative;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
}

.form-label .optional {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  font-weight: var(--weight-normal);
  margin-left: var(--space-1);
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(0,0,0,0.03);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), background var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-subtle);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-dim);
  background: rgba(0,87,217,0.04);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: #ff4d6a;
  box-shadow: 0 0 0 3px rgba(255,77,106,0.15);
}

.form-error {
  font-size: var(--text-xs);
  color: #ff4d6a;
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Submit button */
.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  width: 100%;
}

.form-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--color-accent-glow);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-submit .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(10,14,26,0.3);
  border-top-color: var(--color-bg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.form-submit.is-loading .spinner { display: block; }
.form-submit.is-loading .btn-text { display: none; }

/* ── Success state ───────────────────────────────────────── */
.contact__success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-12);
  animation: fadeUp 0.5s ease both;
}

.contact__success.is-visible {
  display: flex;
}

.contact__form.is-hidden {
  display: none;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: rgba(0,87,217,0.1);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 36px;
  box-shadow: 0 0 32px var(--color-accent-glow);
}

.success-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.success-message {
  color: var(--color-text-muted);
  max-width: 40ch;
}

@media (max-width: 1024px) {
  .contact__inner {
    grid-template-columns: 1fr;
  }
}

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

  .contact__form-wrap {
    padding: var(--space-6);
  }
}