/* ============================================================
   SECTIONS.CSS
   Loaded directly by base.html alongside main.css.
   Contains any section-level styles not covered by the
   individual files, plus the contact section which lives
   in the index template (not yet generated as a partial).
   ============================================================ */

/* ── Contact section ────────────────────────────────────────
   Clean form on a dark glass card. */
.contact {
  background-color: var(--color-bg) !important;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.contact__intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-base) var(--ease-out-quart);
}

.contact__link:hover {
  color: var(--color-text-primary);
}

.contact__link-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition:
    background var(--duration-base) var(--ease-out-quart),
    border-color var(--duration-base) var(--ease-out-quart);
}

.contact__link:hover .contact__link-icon {
  background: var(--color-accent-dim);
  border-color: rgba(99, 102, 241, 0.3);
}

/* ── Contact form ───────────────────────────────────────────
   Glass card wrapping the form. */
.contact__form-wrap {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
}

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

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

.form__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  line-height: var(--leading-normal);
  transition:
    border-color var(--duration-base) var(--ease-out-quart),
    background var(--duration-base) var(--ease-out-quart),
    box-shadow var(--duration-base) var(--ease-out-quart);
  -webkit-appearance: none;
  appearance: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(99, 102, 241, 0.04);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

/* Row for name + email side by side */
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* Error state */
.form__input.has-error,
.form__textarea.has-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form__error {
  font-size: var(--text-xs);
  color: var(--color-error);
  font-family: var(--font-mono);
  margin-top: var(--space-1);
}

/* Submit button: full-width */
.contact__submit {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  justify-content: center;
  font-size: var(--text-base);
}

/* Success message */
.contact__success {
  display: none;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-success);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  animation: fade-in var(--duration-slow) var(--ease-out-expo);
}

/* Loading spinner on submit button */
.contact__submit.is-loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.contact__submit.is-loading::after {
  content: '';
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
}

/* ── Contact section responsive ─────────────────────────────
   Single column on tablet and below. */
@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

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

/* ── Global utility: body scroll lock ───────────────────────
   Applied by JS when mobile nav is open. */
body.nav-open {
  overflow: hidden;
}

/* ── Section alternation fix ────────────────────────────────
   Ensure correct backgrounds aren't fighting the nth-child rule.
   These explicit overrides always win. */
.hero       { background-color: var(--color-bg) !important; }
.about      { background-color: var(--color-bg-elevated) !important; }
.skills     { background-color: var(--color-bg) !important; }
.journey    { background-color: var(--color-bg-elevated) !important; }
.projects   { background-color: var(--color-bg) !important; }
.dsa        { background-color: var(--color-bg-elevated) !important; }
.achievements { background-color: var(--color-bg) !important; }
.contact    { background-color: var(--color-bg-elevated) !important; }