.tech {
  padding: 96px 0;
  background: var(--color-bg-alt);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tech-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px 4px 20px 20px;
  padding: 32px 24px;
}
.tech-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
}
.tech-card p {
  font-size: 14px;
  color: var(--color-text-muted);
}
.tech-card small { color: var(--color-brass); }

@media (max-width: 900px) {
  .tech-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .tech-grid { grid-template-columns: 1fr; }
}

.portfolio { padding: 96px 0; background: var(--color-bg); }

.portfolio-jump {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.portfolio-jump a {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-muted);
  background: #fff;
  transition: all 0.2s ease;
}
.portfolio-jump a:hover { border-color: var(--color-accent); color: var(--color-accent); }

.portfolio-group { margin-bottom: 56px; }
.portfolio-group:last-child { margin-bottom: 0; }
.portfolio-group-title {
  font-family: var(--font-serif);
  font-size: 21px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portfolio-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  display: block;
  cursor: zoom-in;
  transition: opacity 0.2s ease;
}
.portfolio-card img:hover { opacity: 0.88; }
.portfolio-card h4 { font-size: 16px; margin: 14px 0 4px; }
.portfolio-card p { font-size: 13px; color: var(--color-text-muted); }

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

.portfolio-more-wrap { display: flex; justify-content: center; margin-top: 40px; }

.materials { padding: 96px 0; background: var(--color-bg-alt); }

.material-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.material-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px 4px 20px 20px;
  padding: 28px 22px;
}
.material-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--color-accent-dark);
}
.material-card p { font-size: 13.5px; color: var(--color-text-muted); }

@media (max-width: 900px) {
  .material-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .material-grid { grid-template-columns: 1fr; }
}

.process { padding: 96px 0; background: var(--color-dark); color: var(--color-dark-text); }
.process .section-eyebrow { color: var(--color-brass); }
.process .section-title { color: var(--color-dark-text); }

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-grid li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}
.process-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid var(--color-brass);
  background: var(--color-brass);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-dark);
}
.process-grid h4 { font-size: 15px; }
.process-grid p { font-size: 12.5px; color: #A9BAB1; }

@media (max-width: 900px) {
  .process-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .process-grid { grid-template-columns: 1fr; }
}

.regions { padding: 96px 0; background: var(--color-bg); }

.region-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.region-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 20px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.region-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.region-name { font-size: 13px; color: var(--color-text-muted); font-weight: 700; }
.region-tel { font-size: 19px; font-weight: 900; color: var(--color-text); }

.regions-hours {
  text-align: center;
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .region-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .region-grid { grid-template-columns: 1fr; }
}

.problem { padding: 96px 0; background: var(--color-bg-alt); }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}
.problem-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px 26px;
}
.problem-tag {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-brass);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.problem-card h3 { font-family: var(--font-serif); font-size: 17px; margin-bottom: 8px; }
.problem-card p { font-size: 13.5px; color: var(--color-text-muted); }
.problem-note { text-align: center; font-size: 15px; color: var(--color-text); }
.problem-note strong { color: var(--color-accent-dark); }

@media (max-width: 640px) {
  .problem-grid { grid-template-columns: 1fr; }
}

.reasons { padding: 96px 0; background: var(--color-bg-alt); }

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.reason-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 26px 20px;
}
.reason-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 14px;
}
.reason-card h3 { font-family: var(--font-serif); font-size: 15.5px; margin-bottom: 8px; }
.reason-card p { font-size: 13px; color: var(--color-text-muted); }

@media (max-width: 900px) {
  .reasons-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .reasons-grid { grid-template-columns: 1fr; }
}

.faq { padding: 96px 0; background: var(--color-bg); }
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; float: right; color: var(--color-accent); font-weight: 700; }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { margin-top: 12px; font-size: 14px; color: var(--color-text-muted); }

.contact { padding: 96px 0; background: var(--color-bg-alt); }
.contact-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.contact-inner .section-head, .contact-inner .section-desc { margin-left: auto; margin-right: auto; }

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 32px 0;
}

.contact-info p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.contact-info strong { color: var(--color-text); margin-right: 6px; }