/* ============ Contact Hero ============ */
.contact-hero {
  position: relative;
  max-width: 100%;
  padding: 64px 24px 52px;
  text-align: center;
  overflow: hidden;
}

.contact-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.contact-hero__eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.contact-hero__title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 16px;
}

.contact-hero__sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

/* --- Pressure Gauge --- */
.contact-gauge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 340px;
  height: 340px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 1;
}

.contact-gauge__ring {
  fill: none;
  stroke: var(--text);
  stroke-width: 2;
}

.contact-gauge__tick {
  stroke: var(--text);
  stroke-width: 1.5;
}

.contact-gauge__tick--major {
  stroke-width: 2.5;
}

.contact-gauge__needle {
  fill: var(--accent);
  transform-origin: 170px 170px;
  animation: gauge-sweep 1.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

.contact-gauge__center {
  fill: var(--text);
}

@keyframes gauge-sweep {
  0% {
    transform: rotate(-130deg);
  }
  100% {
    transform: rotate(50deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-gauge__needle {
    animation: none;
    transform: rotate(50deg);
  }
}

/* ============ Contact Section ============ */
.contact-section {
  max-width: 1060px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 780px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

/* ============ Info Cards ============ */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-info-card {
  background: var(--panel);
  border: none;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: background 0.2s;
}

.contact-info-card:hover {
  background: var(--panel-raised);
}

.contact-info-card__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-top: 1px;
}

.contact-info-card__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 5px;
}

.contact-info-card__value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin: 0;
  line-height: 1.5;
}

/* ============ Form Card ============ */
.contact-form-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

@media (max-width: 500px) {
  .contact-form-card {
    padding: 22px 18px;
  }
}

/* --- Technical form styling --- */
.contact-form .field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 500px) {
  .contact-form .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.contact-form .field-group {
  margin-bottom: 22px;
}

.contact-form .field-group:last-of-type {
  margin-bottom: 28px;
}

.contact-form label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 8px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form input[type="number"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--border);
  border-radius: 0;
  padding: 10px 0;
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  color: var(--text);
  transition: border-color 0.2s;
  outline: none;
}

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

.contact-form textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.7;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

/* --- Error states --- */
.contact-form .field-group--error input,
.contact-form .field-group--error textarea {
  border-bottom-color: var(--danger);
}

.contact-form .field-hint {
  font-size: 12px;
  color: var(--danger);
  margin: 6px 0 0;
}

/* --- Messages / success --- */
.contact-messages {
  list-style: none;
  padding: 14px 18px;
  margin: 0 0 24px;
  background: rgba(47, 143, 91, 0.06);
  border: 1px solid rgba(47, 143, 91, 0.2);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: #2f8f5b;
  line-height: 1.6;
}

.contact-errors {
  list-style: none;
  padding: 14px 18px;
  margin: 0 0 24px;
  background: rgba(193, 68, 14, 0.06);
  border: 1px solid rgba(193, 68, 14, 0.2);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: var(--danger);
  line-height: 1.6;
}

/* --- Submit button --- */
.contact-form .btn-primary {
  width: 100%;
  padding: 14px 24px;
  font-size: 14px;
  letter-spacing: 0.02em;
}

/* ============ Scroll Reveal ============ */
.contact-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.contact-reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .contact-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============ Mobile Adjustments ============ */
@media (max-width: 780px) {
  .contact-hero {
    padding: 48px 20px 36px;
  }

  .contact-gauge {
    width: 240px;
    height: 240px;
  }

  .contact-gauge__needle {
    transform-origin: 120px 120px;
  }

  .contact-section {
    padding: 0 16px 48px;
  }
}

@media (max-width: 500px) {
  .contact-hero {
    padding: 40px 16px 28px;
  }

  .contact-hero__title {
    font-size: 26px;
  }

  .contact-info-card {
    padding: 15px 16px;
  }
}

/* ============ Mobile Refinements (320-430px) ============ */

/* --- Contact hero: gauge scaling, text scaling --- */
@media (max-width: 430px) {
  .contact-hero { padding: 40px 16px 24px; }
  .contact-hero__eyebrow { font-size: 10px; }
  .contact-hero__title { font-size: clamp(24px, 6.5vw, 30px); }
  .contact-hero__sub { font-size: 14px; }
  
  .contact-gauge { width: 180px; height: 180px; opacity: 0.04; }
  .contact-gauge__needle { transform-origin: 90px 90px; }
}

@media (max-width: 360px) {
  .contact-gauge { width: 160px; height: 160px; }
  .contact-gauge__needle { transform-origin: 80px 80px; }
}

/* --- Contact layout: tighter spacing --- */
@media (max-width: 430px) {
  .contact-section { padding: 0 12px 32px; }
  .contact-layout { gap: 20px; }
  
  .contact-info { gap: 8px; }
  .contact-info-card { padding: 14px 16px; gap: 12px; }
  .contact-info-card__icon { width: 20px; height: 20px; }
  .contact-info-card__label { font-size: 9.5px; margin-bottom: 3px; }
  .contact-info-card__value { font-size: 13px; line-height: 1.4; }
  
  .contact-form-card { padding: 20px 14px; }
  .contact-form .field-row { gap: 0; }
  .contact-form .field-group { margin-bottom: 18px; }
  .contact-form .field-group:last-of-type { margin-bottom: 24px; }
  
  .contact-form label { font-size: 10px; margin-bottom: 6px; }
  .contact-form input[type="text"],
  .contact-form input[type="email"],
  .contact-form input[type="tel"],
  .contact-form input[type="number"],
  .contact-form select,
  .contact-form textarea {
    min-height: 48px;
    font-size: 16px;
    padding: 12px 0;
  }
  .contact-form textarea { min-height: 100px; }
  
  .contact-form .btn-primary { min-height: 48px; font-size: 13.5px; padding: 12px 20px; }
  
  .contact-errors,
  .contact-messages { padding: 12px 14px; font-size: 12.5px; }
}

/* --- RTL specific for mobile --- */
@media (max-width: 480px) {
  [dir="rtl"] .contact-hero { direction: rtl; text-align: right; }
  [dir="rtl"] .contact-info-card { border-radius: var(--radius) 0 0 var(--radius); border-left: none; border-right: 3px solid var(--accent); }
  [dir="rtl"] .contact-form-card { direction: rtl; }
  [dir="rtl"] .contact-form label { text-align: right; }
  [dir="rtl"] .contact-form input,
  [dir="rtl"] .contact-form textarea,
  [dir="rtl"] .contact-form select { text-align: right; }
}

/* --- Hover guards for touch devices --- */
@media (hover: none) and (pointer: coarse) {
  .contact-gauge__needle { animation: none; transform: rotate(50deg); }
  .contact-info-card:hover,
  .contact-form .btn-primary:hover {
    transform: none;
    box-shadow: none;
    background: var(--panel);
    border-color: var(--border);
  }
  .contact-form input:focus,
  .contact-form select:focus,
  .contact-form textarea:focus {
    border-bottom-color: var(--accent);
  }
}