/* ===========================
   Services Page Styles
   Dai Tech Lab
   =========================== */

/* ===========================
   Page Hero
   =========================== */

.services-hero {
  padding: calc(var(--space-32) + 40px) 0 var(--space-16);
  border-bottom: 1px solid var(--border-subtle);
}

.services-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.services-subtitle {
  font-size: 1.0625rem;
  color: var(--text-tertiary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.services-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.services-hero-tags span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
  background: var(--bg-secondary);
}

/* ===========================
   Badges
   =========================== */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
}

.badge-primary {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.25);
}

/* ===========================
   Flagship Section
   =========================== */

.flagship-section {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.flagship-label {
  margin-bottom: var(--space-8);
}

.flagship-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-16);
  align-items: start;
}

.flagship-title {
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: var(--space-6);
  margin-top: var(--space-3);
}

.flagship-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-4);
  max-width: 600px;
}

.flagship-features {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-3);
  align-items: start;
}

.feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  margin-top: 0.55em;
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.feature-item span {
  display: block;
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* Flagship Aside */

.flagship-aside {
  position: sticky;
  top: calc(64px + var(--space-8));
}

.flagship-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.fm-item {
  background: var(--bg-secondary);
  padding: var(--space-4);
  text-align: center;
}

.fm-value {
  display: block;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.fm-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.flagship-stack-card {
  padding: var(--space-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  margin-bottom: var(--space-4);
}

.stack-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.stack-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.stack-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.stack-cat {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
  min-width: 70px;
  flex-shrink: 0;
}

.flagship-case-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.flagship-case-link:hover {
  color: var(--text-primary);
}

/* ===========================
   Core Services
   =========================== */

.core-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.core-card {
  padding: var(--space-7, 1.75rem);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--duration-base) var(--ease-out);
}

.core-card:hover {
  border-color: var(--border);
}

.core-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.core-card h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.core-card p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.65;
}

.core-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: var(--space-1) 0;
}

.core-highlights li {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  padding-left: var(--space-4);
  position: relative;
}

.core-highlights li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.core-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-3);
}

.core-tags span {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  color: var(--text-muted);
}

.core-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: var(--space-2);
  transition: color var(--duration-fast);
}

.core-link:hover {
  color: var(--text-primary);
}

/* ===========================
   Quick Wins
   =========================== */

.quickwins-section {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.qw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.qw-card {
  padding: var(--space-6);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  transition: border-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.qw-card:hover {
  border-color: var(--border);
  background: var(--bg-tertiary);
}

.qw-number {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.qw-icon {
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.qw-card h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.qw-jp {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 400;
}

.qw-card p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.qw-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.qw-tags span {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  color: var(--text-muted);
}

/* ===========================
   Process
   =========================== */

.process-section {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 960px;
}

.process-step {
  flex: 1;
}

.process-connector {
  width: 40px;
  flex-shrink: 0;
  height: 1px;
  background: var(--border-subtle);
  margin-top: calc(var(--space-4) + 0.5rem);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.step-content h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.step-content p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.65;
}

/* ===========================
   Contact CTA
   =========================== */

.contact-section {
  background: var(--bg-primary);
}

.contact-box {
  max-width: 560px;
  padding: var(--space-12) 0;
}

.contact-box h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  margin-top: var(--space-2);
}

.contact-body {
  font-size: 1rem;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-btn {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: var(--space-4) var(--space-8);
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 1100px) {
  .flagship-grid {
    grid-template-columns: 1fr 300px;
    gap: var(--space-10);
  }
}

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

  .flagship-aside {
    position: static;
  }

  .flagship-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .core-grid {
    grid-template-columns: 1fr;
  }

  .qw-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    flex-direction: column;
    gap: var(--space-6);
  }

  .process-connector {
    display: none;
  }
}

@media (max-width: 600px) {
  .services-hero {
    padding-top: calc(var(--space-24) + 32px);
  }

  .qw-grid {
    grid-template-columns: 1fr;
  }

  .flagship-metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}