/* ============================================================
   2DRK Lab — Service Pages Stylesheet
   ============================================================ */

/* ── Hero ── */
.sv-hero {
  background: var(--clr-dark);
  padding: 130px 0 90px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.sv-hero::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 1000px; height: 640px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,96,201,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.sv-hero .container { position: relative; z-index: 1; max-width: 820px; }
.sv-hero .section-label {
  display: inline-flex;
  align-items: center;
  background: rgba(0,96,201,0.14);
  border: 1px solid rgba(0,96,201,0.35);
  border-radius: 100px;
  padding: 5px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-secondary);
  margin-bottom: 22px;
}
.sv-hero h1 {
  font-size: 58px;
  line-height: 1.04;
  letter-spacing: -2px;
  color: var(--clr-white);
  margin: 0 auto 20px;
  max-width: 720px;
}
.sv-hero-sub {
  font-size: 18px;
  color: var(--clr-muted);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 40px;
}
.sv-hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Service Nav Strip ── */
.sv-service-nav {
  background: var(--clr-primary);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 68px;
  z-index: 100;
}
.sv-service-nav-list {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.sv-service-nav-list::-webkit-scrollbar { display: none; }
.sv-nav-link {
  display: block;
  padding: 15px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.sv-nav-link:hover { color: var(--clr-body); }
.sv-nav-link.active {
  color: var(--clr-white);
  border-bottom-color: var(--clr-accent);
}

/* ── Features ── */
.sv-features { background: #F7F9FC; }
.sv-feat-head { margin-bottom: 48px; }
.sv-feat-head .section-label {
  display: inline-block;
  color: var(--clr-secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sv-feat-head h2 {
  font-size: 36px;
  color: var(--clr-primary);
  line-height: 1.15;
  letter-spacing: -0.5px;
}
.sv-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sv-feature-card {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 28px 24px 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.sv-feature-card:hover {
  border-color: var(--clr-secondary);
  box-shadow: 0 8px 32px rgba(0,96,201,0.1);
  transform: translateY(-3px);
}
.sv-feat-icon {
  width: 44px; height: 44px;
  background: rgba(0,96,201,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-secondary);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.sv-feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #0A192F;
  margin-bottom: 8px;
  line-height: 1.3;
}
.sv-feature-card p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.65;
  margin: 0;
}

/* ── Stats Bar ── */
.sv-stats-bar {
  background: var(--clr-primary);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 64px 0;
}
.sv-stats-inner {
  display: flex;
  justify-content: center;
  align-items: center;
}
.sv-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  flex: 1;
  max-width: 280px;
  padding: 0 48px;
  position: relative;
}
.sv-stat + .sv-stat::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 52px;
  background: var(--clr-border);
}
.sv-stat-num {
  font-size: 50px;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
  letter-spacing: -2px;
}
.sv-stat-label {
  font-size: 13px;
  color: var(--clr-muted);
  line-height: 1.5;
  max-width: 150px;
}

/* ── Process ── */
.sv-process { background: #fff; }
.sv-process .section-head.centered {
  text-align: center;
  margin-bottom: 60px;
}
.sv-process .section-head h2 {
  color: var(--clr-primary);
  font-size: 36px;
  letter-spacing: -0.5px;
}
.sv-process .section-label {
  display: inline-block;
  color: var(--clr-secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sv-process-steps {
  display: flex;
  align-items: flex-start;
}
.sv-process-step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}
.sv-ps-num {
  width: 54px; height: 54px;
  background: var(--clr-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-primary);
  margin: 0 auto 20px;
}
.sv-process-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}
.sv-process-step p {
  font-size: 14px;
  color: #4a5568;
  line-height: 1.65;
  margin: 0;
}
.sv-process-arrow {
  font-size: 18px;
  color: var(--clr-secondary);
  padding-top: 18px;
  flex-shrink: 0;
  opacity: 0.35;
}

/* ── FAQ ── */
.sv-faq { background: var(--clr-primary); }
.sv-faq-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}
.sv-faq-head .section-label {
  display: inline-block;
  color: var(--clr-secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sv-faq-head h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.sv-faq-sub { font-size: 15px; color: var(--clr-muted); line-height: 1.6; }
.sv-faq-list { display: flex; flex-direction: column; }
.sv-faq-item { border-bottom: 1px solid var(--clr-border); }
.sv-faq-item:first-child { border-top: 1px solid var(--clr-border); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--clr-white);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  font-family: var(--font-main);
}
.faq-q:hover { color: var(--clr-accent); }
.faq-icon {
  width: 28px; height: 28px;
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--clr-secondary);
  flex-shrink: 0;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
  line-height: 1;
}
.faq-q[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  background: rgba(0,96,201,0.12);
  border-color: rgba(0,96,201,0.35);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a.open { max-height: 320px; }
.faq-a p {
  font-size: 15px;
  color: var(--clr-muted);
  line-height: 1.7;
  padding-bottom: 20px;
  margin: 0;
}

/* ── Final CTA ── */
.sv-final-cta {
  position: relative;
  background: var(--clr-dark);
  border-top: 1px solid var(--clr-border);
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
}
.sv-final-cta::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,96,201,0.14) 0%, transparent 65%);
  pointer-events: none;
}
.sv-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  max-width: 640px;
  margin: 0 auto;
}
.sv-cta-content .section-label {
  display: inline-block;
  color: var(--clr-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sv-cta-content h2 {
  font-size: 42px;
  line-height: 1.08;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.sv-cta-content p {
  font-size: 17px;
  color: var(--clr-muted);
  line-height: 1.65;
  max-width: 460px;
  margin: 0 auto;
}
.sv-cta-action { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.btn-xl { font-size: 17px !important; padding: 16px 40px !important; }
.sv-cta-note { font-size: 13px; color: var(--clr-muted); }
.sv-cta-email { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.sv-cta-email span { color: var(--clr-muted); }
.sv-cta-email a { color: var(--clr-secondary); font-weight: 600; transition: color var(--transition); }
.sv-cta-email a:hover { color: var(--clr-accent); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .sv-features-grid { grid-template-columns: repeat(2, 1fr); }
  .sv-faq-inner     { grid-template-columns: 1fr; gap: 40px; }
  .sv-stat          { padding: 0 28px; }
}

@media (max-width: 768px) {
  .sv-hero           { padding: 100px 0 60px; }
  .sv-hero h1        { font-size: 36px; letter-spacing: -1px; }
  .sv-hero-sub       { font-size: 16px; }
  .sv-features-grid  { grid-template-columns: 1fr; }
  .sv-stats-inner    { flex-direction: column; gap: 40px; }
  .sv-stat           { max-width: 100%; padding: 0; }
  .sv-stat + .sv-stat::before { display: none; }
  .sv-process-steps  { flex-direction: column; align-items: center; gap: 32px; }
  .sv-process-step   { padding: 0; max-width: 340px; width: 100%; }
  .sv-process-arrow  { display: none; }
  .sv-cta-content h2 { font-size: 30px; }
  .sv-service-nav    { top: 60px; }
}

@media (max-width: 480px) {
  .sv-hero h1        { font-size: 30px; letter-spacing: -0.5px; }
  .sv-hero-actions   { flex-direction: column; align-items: center; }
  .sv-hero-actions .btn-audit,
  .sv-hero-actions .btn-outline { width: 100%; text-align: center; justify-content: center; }
  .btn-xl            { width: 100%; justify-content: center; }
}