/* =====================================================
   LENZ CODER — Contact Page CSS
   ===================================================== */

/* ===== LAYOUT ===== */
.contact-main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 4rem) var(--pad) 6rem;
}

.contact-container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== HEADER ===== */
.contact-header {
  margin-bottom: 4rem;
}

.contact-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  transition: color 0.3s ease, gap 0.3s ease;
}

.contact-back:hover {
  color: var(--accent);
  gap: 0.75rem;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  opacity: 0; /* GSAP */
}

.contact-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* ===== FORM ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  opacity: 0; /* GSAP */
}

.form-label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.form-input,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0;
  outline: none;
  transition: border-color 0.3s ease;
  resize: none;
}

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

.form-input:focus,
.form-textarea:focus {
  border-bottom-color: var(--accent);
}

.form-textarea {
  line-height: 1.7;
  min-height: 140px;
}

/* ===== SUBMIT BUTTON ===== */
.form-footer {
  display: flex;
  align-items: center;
  opacity: 0; /* GSAP */
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  padding: 0.9rem 2rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: none;
  overflow: hidden;
  transition: color 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  skewX: 0deg;
}

.form-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  z-index: 0;
}

.form-submit:hover::before  { transform: translateX(0); }
.form-submit:hover          { color: var(--bg); }
.form-submit:hover          { transform: none; }

.form-submit .submit-text,
.form-submit .submit-arrow  { position: relative; z-index: 1; }

.form-submit.loading .submit-text::after {
  content: '...';
}

.form-submit:disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ===== FIELD ERRORS ===== */
.field-error {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: #fca5a5;
  min-height: 1.1em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.field-error.visible {
  opacity: 1;
  transform: translateY(0);
}

.form-input.invalid,
.form-textarea.invalid {
  border-bottom-color: #fca5a5;
}

/* ===== FEEDBACK ===== */
.form-feedback {
  font-size: 0.88rem;
  line-height: 1.6;
  min-height: 1.4em;
}

.form-feedback.success { color: #6ee7b7; }
.form-feedback.error   { color: #fca5a5; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .contact-main {
    padding-top: calc(var(--nav-h) + 2.5rem);
    align-items: flex-start;
  }

  .contact-title {
    font-size: clamp(3rem, 15vw, 5rem);
  }
}