/* ============================================================
   UFP500.COM — SITE-SPECIFIC STYLES
   Commercial partners · Platform · Applications
   ============================================================ */


/* HERO
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 48px 80px;
  overflow: hidden;
}
#particle-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--cyan);
}
.hero-sub {
  font-size: 18px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 44px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stat-row {
  display: flex; gap: 48px; flex-wrap: wrap;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  transition: border-color var(--speed);
}
.hero-stat .num {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
  color: var(--cyan);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat .label {
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 0.04em;
}


/* TECHNOLOGY — WHAT IS UFP500
   ---------------------------------------------------------- */
.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 56px;
  transition: background var(--speed), border-color var(--speed);
}
.what-cell {
  background: var(--bg-2);
  padding: 40px;
  transition: background var(--speed);
}
.what-cell.accent { background: var(--bg-3); }
.what-cell h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.what-cell p { font-size: 15px; color: var(--mid); line-height: 1.75; }
.what-cell .spec {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}


/* APPLICATIONS
   ---------------------------------------------------------- */
#applications { background: var(--bg-2); }
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.app-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.2s, background var(--speed);
}
.app-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.app-card:hover { border-color: var(--cyan-dim); transform: translateY(-4px); }
.app-card:hover::before { transform: scaleX(1); }
.app-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--cyan-glow);
  border: 1px solid rgba(0,180,216,0.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: background var(--speed);
}
.app-icon svg {
  width: 18px; height: 18px;
  stroke: var(--cyan); fill: none; stroke-width: 1.5;
}
.app-card h3 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.app-card p {
  font-size: 13px;
  color: var(--mid);
  line-height: 1.75;
  margin-bottom: 20px;
}
.app-tags { display: flex; flex-wrap: wrap; gap: 8px; }


/* PROCESS
   ---------------------------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--speed);
}
.step {
  padding: 40px 32px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  transition: background var(--speed), border-color var(--speed);
}
.step:last-child { border-right: none; }
.step-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  display: block;
}
.step h3 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 10px;
}
.step p { font-size: 13px; color: var(--mid); line-height: 1.7; }


/* PARTNERSHIP
   ---------------------------------------------------------- */
#partnership { background: var(--bg-2); }
.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}
.partner-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
  transition: background var(--speed), border-color var(--speed);
}
.partner-card h3 {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 16px;
}
.partner-card p {
  font-size: 15px;
  color: var(--mid);
  line-height: 1.75;
  margin-bottom: 28px;
}
.partner-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.partner-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 14px; color: var(--mid); line-height: 1.5;
}
.partner-list li::before {
  content: '→';
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}
.partner-cta {
  display: inline-block;
  margin-top: 32px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed);
}
.partner-cta:hover { border-color: var(--cyan); }


/* UFP500° IN THE WORLD
   ---------------------------------------------------------- */
#mark { background: var(--bg-2); }
.mark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.mark-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
  transition: border-color 0.25s, background var(--speed);
}
.mark-card:hover { border-color: var(--cyan-dim); }
.mark-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 8px;
}
.mark-name {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: -0.01em;
}
.mark-badge {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  background: var(--cyan-glow);
  border: 1px solid rgba(0,180,216,0.25);
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  transition: background var(--speed);
}
.mark-category {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.mark-card p {
  font-size: 14px;
  color: var(--mid);
  line-height: 1.8;
  margin-bottom: 24px;
}
.mark-link {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed);
}
.mark-link:hover { border-color: var(--cyan); }
.mark-cta {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
  transition: background var(--speed), border-color var(--speed);
}
.mark-cta-text { max-width: 560px; }
.mark-cta-text p { font-size: 15px; color: var(--mid); line-height: 1.75; }


/* SCIENCE BRIDGE
   ---------------------------------------------------------- */
.science-bridge {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 56px 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
  margin: 0 48px;
  transition: background var(--speed), border-color var(--speed);
}
.science-bridge-text .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.science-bridge-text h2 {
  font-family: var(--sans);
  font-size: 28px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.science-bridge-text p { font-size: 16px; color: var(--mid); max-width: 480px; }


/* CONTACT
   ---------------------------------------------------------- */
#contact { max-width: 680px; margin: 0 auto; text-align: center; }
#contact .section-title { margin: 0 auto 16px; }
#contact .section-lead { margin: 0 auto 44px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.form-field input,
.form-field textarea,
.form-field select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--steel);
  font-family: var(--body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--speed), background var(--speed);
  -webkit-appearance: none;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--cyan); }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-submit {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: #0F1014;
  background: var(--cyan);
  border: none;
  padding: 14px 32px;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--speed);
  align-self: flex-start;
}
.form-submit:hover { background: #00C8F0; }


/* RESPONSIVE — .com specific
   ---------------------------------------------------------- */
@media (max-width: 900px) {
  .hero { padding: 100px 24px 64px; }
  .what-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .partner-grid { grid-template-columns: 1fr; }
  .mark-grid { grid-template-columns: 1fr; }
  .mark-cta { padding: 32px; }
  .science-bridge { padding: 40px 32px; margin: 0 24px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .app-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .hero-stat-row { gap: 28px; }
}