/* ===== NAV ===== */
.cs-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 80px;
}

.cs-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.cs-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.cs-nav-links {
  display: flex;
  gap: 32px;
}

.cs-nav-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--mid);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}

.cs-nav-link:hover, .cs-nav-link.active { color: var(--ink); }

/* ===== HERO ===== */
.cs-hero {
  padding: 100px 80px 80px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.cs-hero-inner {
  max-width: 800px;
}

.cs-hero-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cs-hero-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.cs-hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 24px;
}

.cs-hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: #5A5550;
  max-width: 600px;
  margin-bottom: 44px;
  font-weight: 300;
}

.cs-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary, .btn-card, .btn-cta {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #e0322a;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--ink);
}

.btn-card {
  background: var(--ink);
  color: #fff;
  width: 100%;
  text-align: center;
}

.btn-card:hover {
  background: #1a1a1a;
}

.btn-cta {
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  padding: 16px 32px;
}

.btn-cta:hover {
  background: #e0322a;
  transform: translateY(-1px);
}

/* ===== SERVICES GRID ===== */
.cs-services {
  padding: 80px;
  border-bottom: 1px solid var(--border);
}

.cs-services-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.cs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.cs-card-tag {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.cs-card-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 16px;
}

.cs-card-desc {
  font-size: 15px;
  line-height: 1.65;
  color: #5A5550;
  font-weight: 300;
  margin-bottom: 24px;
  flex: 1;
}

.cs-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.cs-card-list li {
  font-size: 13px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
  font-weight: 400;
}

.cs-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== PROCESS ===== */
.cs-process {
  padding: 80px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.cs-process-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.cs-process-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 16px;
}

.cs-process-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 56px;
}

.cs-process-header { margin-bottom: 0; }

.cs-process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.cs-step-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.cs-step-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cs-step-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #5A5550;
  font-weight: 300;
}

/* ===== CTA BAND ===== */
.cs-cta-band {
  padding: 100px 80px;
  background: var(--ink);
  color: #fff;
}

.cs-cta-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.cs-cta-headline {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 16px;
}

.cs-cta-sub {
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
  margin-bottom: 40px;
  font-weight: 300;
}

/* ===== FOOTER ===== */
.cs-footer {
  padding: 48px 80px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.cs-footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cs-footer-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}

.cs-footer-tagline {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
}

.cs-footer-links {
  display: flex;
  gap: 32px;
  font-size: 12px;
}

.cs-footer-link {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.cs-footer-link:hover { color: rgba(255,255,255,0.8); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .cs-nav, .cs-hero, .cs-services, .cs-process, .cs-cta-band, .cs-footer {
    padding-left: 40px;
    padding-right: 40px;
  }
  .cs-services-inner {
    grid-template-columns: 1fr;
  }
  .cs-process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cs-nav, .cs-hero, .cs-services, .cs-process, .cs-cta-band, .cs-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .cs-hero { padding-top: 72px; padding-bottom: 64px; }
  .cs-hero-headline { font-size: 32px; }
  .cs-process-steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cs-hero-actions { flex-direction: column; }
  .cs-footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
}