/* ============================================================
   YOUTAB · PAGE-SPECIFIC STYLES
   Used by about, trading, engineering, dental, social,
   download, contact pages.
   ============================================================ */

/* Two-column layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 5rem 4rem;
  position: relative;
  z-index: 10;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
.split p {
  color: var(--muted);
  font-weight: 300;
  line-height: 1.85;
  font-size: 1.05rem;
  margin-bottom: 1rem;
}
.split p strong, .split p b {
  color: var(--cyan);
  font-weight: 600;
}

/* Glass info card */
.info-card {
  border: 1px solid var(--border);
  background: var(--glass);
  padding: 2.2rem;
  position: relative;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}
.info-card h3 {
  font-family: var(--f-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.info-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
  font-weight: 300;
}

/* Generic grid of cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; padding: 3rem 1.5rem; gap: 2rem; }
}

/* Service / product cards */
.svc-card {
  border: 1px solid var(--border);
  background: var(--glass);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.svc-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-3px);
  background: rgba(0, 240, 255, 0.035);
}
.svc-card .icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 1rem;
}
.svc-card h3 {
  font-family: var(--f-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}
.svc-card p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
  font-weight: 300;
}
.svc-card .meta {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  color: var(--magenta);
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

/* Contact specific */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 5rem 4rem;
  position: relative;
  z-index: 10;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; padding: 3rem 1.5rem; gap: 2rem; }
}
.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-list li {
  border-left: 2px solid var(--cyan);
  padding: 0.5rem 1.2rem;
}
.contact-list .label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: var(--magenta);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.contact-list .value {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
  word-break: break-word;
}
.contact-list a.value:hover { color: var(--cyan); }

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--border);
  background: var(--glass);
  padding: 2rem;
}
.form label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--muted-2);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.form input, .form select, .form textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
}
.form textarea { resize: vertical; min-height: 130px; }
.form .form-actions { display: flex; gap: 1rem; align-items: center; margin-top: 0.5rem; flex-wrap: wrap; }
.form .hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-msg {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
.form-msg.ok  { color: var(--green); }
.form-msg.err { color: var(--magenta); }

/* Download cards */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
@media (max-width: 900px) { .dl-grid { grid-template-columns: 1fr; } }
.dl-card {
  border: 1px solid var(--border);
  background: var(--glass);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: border-color 0.3s, background 0.3s;
}
.dl-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  background: rgba(0, 240, 255, 0.035);
}
.dl-card .platform {
  font-family: var(--f-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}
.dl-card .version {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: rgba(180, 180, 220, 0.5);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}
.dl-card .size {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  color: rgba(180, 180, 220, 0.4);
  letter-spacing: 0.18em;
  margin-top: 0.8rem;
  text-transform: uppercase;
}
.dl-icon {
  font-size: 3rem;
  display: block;
  margin: 0 auto 1rem;
}

/* History panel for about page */
.history-panel {
  border-left: 2px solid var(--cyan);
  padding: 1rem 2rem;
  background: rgba(0, 240, 255, 0.02);
  margin: 2rem 0;
}
.history-panel h4 {
  font-family: var(--f-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}
.history-panel a { color: var(--cyan); text-decoration: none; border-bottom: 1px dashed rgba(0,240,255,0.4); }
.history-panel a:hover { border-bottom-color: var(--cyan); }

/* Dental aesthetic accent */
.dental-accent {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--green);
  letter-spacing: 0.25em;
  border: 1px solid rgba(0, 255, 136, 0.3);
  padding: 0.4rem 1rem;
  background: rgba(0, 255, 136, 0.04);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}