:root {
  --oc-red: #D82C2C;
  --oc-red-dark: #b92424;
  --oc-black: #1A1A1A;
  --oc-grey: #A9B2B1;
  --oc-light: #F2F2F2;
  --oc-blue: #0033A0;
  --oc-muted: #4b5554;
  --oc-shadow: 0 2px 8px rgba(0,0,0,.08);
  --oc-radius: 12px;
  --oc-max: 1280px;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--oc-black);
  background: #fff;
}

.oc-header-wrap {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px clamp(16px, 3vw, 32px);
  background: rgba(255,255,255,.78);
  border-bottom: 1px solid rgba(169,178,177,.65);
  box-shadow: var(--oc-shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.oc-header {
  max-width: var(--oc-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.oc-header .logo img {
  max-width: 190px;
  height: auto;
}

.oc-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 650;
}

.oc-nav a {
  color: var(--oc-black);
  text-decoration: none;
  transition: color 0.15s;
}

.oc-nav a:hover {
  color: var(--oc-red);
}

.oc-nav .nav-active {
  color: var(--oc-red);
}

.oc-nav .dropdown {
  position: relative;
}
.oc-nav .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid rgba(169,178,177,.4);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  min-width: 200px;
  padding: 6px 0;
  z-index: 200;
}
.oc-nav .dropdown:hover .dropdown-menu,
.oc-nav .dropdown-menu:hover {
  display: block;
}
.oc-nav .dropdown-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.oc-nav .dropdown-menu a:hover {
  color: var(--oc-red);
  background: var(--oc-light);
}
.oc-nav .dropdown.nav-active > a {
  color: var(--oc-red);
}

.oc-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.oc-section {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 48px);
}

.oc-section-tight {
  padding: clamp(44px, 6vw, 80px) clamp(20px, 4vw, 48px);
}

.oc-container {
  max-width: var(--oc-max);
  margin: 0 auto;
}

.oc-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
  align-items: start;
}

.oc-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--oc-red);
}

.oc-hero-title {
  max-width: 880px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.75rem);
  line-height: .92;
  font-weight: 800;
  letter-spacing: -.065em;
  color: var(--oc-black);
}

.oc-h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: .98;
  font-weight: 800;
  letter-spacing: -.05em;
  color: var(--oc-black);
}

.oc-h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.025em;
  color: var(--oc-black);
}

.oc-copy {
  max-width: 720px;
  margin: 0;
  color: var(--oc-muted);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.68;
}

.oc-small {
  font-size: .94rem;
  line-height: 1.55;
  color: var(--oc-muted);
}

.oc-btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.oc-btn-primary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--oc-red);
  color: #fff;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--oc-red);
  transition: background 0.15s, border-color 0.15s;
}

.oc-btn-primary:hover {
  background: var(--oc-red-dark);
  border-color: var(--oc-red-dark);
  color: #fff;
}

.oc-btn-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #fff;
  color: var(--oc-black);
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--oc-grey);
  transition: background 0.15s;
}

.oc-btn-secondary:hover {
  background: var(--oc-light);
  color: var(--oc-black);
}

.oc-glass {
  border: 1px solid rgba(169,178,177,.62);
  background: rgba(255,255,255,.78);
  border-radius: var(--oc-radius);
  box-shadow: var(--oc-shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.oc-card {
  border: 1px solid rgba(169,178,177,.65);
  background: #fff;
  border-radius: var(--oc-radius);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  padding: clamp(22px, 3vw, 34px);
}

.oc-card-redline {
  position: relative;
}

.oc-card-redline::before {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: var(--oc-red);
  margin: 0 0 22px;
}

.oc-muted-bg {
  background: var(--oc-light);
}

.oc-dark {
  background: var(--oc-black);
  color: #fff;
}

.oc-dark .oc-h2,
.oc-dark .oc-h3 {
  color: #fff;
}

.oc-dark .oc-copy,
.oc-dark .oc-small {
  color: rgba(255,255,255,.76);
}

.oc-hero {
  position: relative;
  padding-top: clamp(96px, 12vw, 164px);
}

.oc-hero-left {
  grid-column: span 8;
}

.oc-hero-right {
  grid-column: span 4;
  align-self: end;
}

.oc-hero-card {
  padding: 28px;
}

.oc-stat-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  border: 1px solid rgba(169,178,177,.65);
  background: rgba(169,178,177,.65);
  border-radius: var(--oc-radius);
  overflow: hidden;
}

.oc-stat {
  background: #fff;
  padding: 20px;
}

.oc-stat strong {
  display: block;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.1;
  color: var(--oc-black);
}

.oc-stat span {
  display: block;
  margin-top: 6px;
  font-size: .84rem;
  line-height: 1.35;
  color: var(--oc-muted);
}

.oc-service-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.oc-span-7 { grid-column: span 7; }
.oc-span-6 { grid-column: span 6; }
.oc-span-5 { grid-column: span 5; }
.oc-span-4 { grid-column: span 4; }
.oc-span-3 { grid-column: span 3; }

.oc-dark .oc-card {
  background: #fff;
  color: var(--oc-black);
}

.oc-dark .oc-card .oc-h3 {
  color: var(--oc-black);
}

.oc-dark .oc-card .oc-small {
  color: var(--oc-muted);
}

.oc-card a,
.oc-footer a {
  color: inherit;
}

.oc-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--oc-red) !important;
  font-weight: 800;
  text-decoration: none !important;
}

.oc-link:hover {
  text-decoration: underline !important;
}

.oc-process {
  counter-reset: step;
}

.oc-process .oc-card::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 28px;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .18em;
  color: var(--oc-red);
}

.oc-quote {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--oc-black);
}

.oc-faq details {
  border-top: 1px solid rgba(169,178,177,.7);
  padding: 20px 0;
}

.oc-faq details:last-child {
  border-bottom: 1px solid rgba(169,178,177,.7);
}

.oc-faq summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--oc-black);
}

.oc-faq p {
  margin: 10px 0 0;
  color: var(--oc-muted);
  line-height: 1.6;
}

.oc-footer {
  background: var(--oc-black);
  color: #fff;
  padding: 56px clamp(20px, 4vw, 48px) 28px;
}

.oc-footer-grid {
  max-width: var(--oc-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 28px;
}

.oc-footer p,
.oc-footer li {
  color: rgba(255,255,255,.72);
  font-size: .95rem;
  line-height: 1.55;
}

.oc-footer h2,
.oc-footer h3 {
  color: #fff;
  margin: 0 0 14px;
  font-size: 1rem;
}

.oc-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.oc-footer li {
  margin: 0 0 9px;
}

.oc-footer a {
  color: rgba(255,255,255,.84);
  text-decoration: none;
}

.oc-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.oc-footer-bottom {
  max-width: var(--oc-max);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.18);
  font-size: .82rem;
  color: rgba(255,255,255,.62);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--oc-black);
  margin: 5px 0;
  transition: 0.3s;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
}

.mobile-menu-panel {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background: #fff;
  padding: 24px;
  z-index: 300;
  box-shadow: -4px 0 12px rgba(0,0,0,.1);
  overflow-y: auto;
}

.mobile-menu-panel.open {
  display: block;
}

.mobile-menu-overlay.open {
  display: block;
}

.mobile-menu-panel a {
  display: block;
  padding: 12px 0;
  color: var(--oc-black);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(169,178,177,.3);
}

.mobile-menu-panel .close-btn {
  display: block;
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

.mobile-menu-panel .has-sub .sub-menu {
  display: none;
}
.mobile-menu-panel .has-sub.open .sub-menu {
  display: block;
}
.mobile-menu-panel .has-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  border-bottom: 1px solid rgba(169,178,177,.3);
}
.mobile-menu-panel .has-sub > a {
  flex: 1;
  border-bottom: none;
}
.mobile-menu-panel .sub-toggle {
  padding: 8px 4px 8px 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--oc-grey);
  user-select: none;
}
.mobile-menu-panel .sub-toggle:hover {
  color: var(--oc-black);
}
.mobile-menu-panel .sub-toggle::after {
  content: "+";
}
.mobile-menu-panel .has-sub.open .sub-toggle::after {
  content: "\2013";
}
.mobile-menu-panel .sub-menu {
  flex-basis: 100%;
}
.mobile-menu-panel .sub-menu a {
  padding-left: 24px;
  font-size: .9rem;
  font-weight: 500;
  border-bottom: none;
}

.oc-form {
  display: grid;
  gap: 18px;
}

.oc-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.oc-form-field {
  display: grid;
  gap: 8px;
}

.oc-form label {
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--oc-black);
}

.oc-form input,
.oc-form select,
.oc-form textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(169,178,177,.85);
  border-radius: 10px;
  background: rgba(255,255,255,.92);
  padding: 13px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--oc-black);
}

.oc-form input:focus,
.oc-form select:focus,
.oc-form textarea:focus {
  outline: 2px solid var(--oc-red);
  outline-offset: 2px;
  border-color: var(--oc-red);
}

.oc-form button {
  min-height: 52px;
  border: 1px solid var(--oc-red);
  border-radius: 8px;
  background: var(--oc-red);
  color: #fff;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
}

.oc-form button:hover {
  background: var(--oc-red-dark);
  border-color: var(--oc-red-dark);
}

.oc-form-note {
  font-size: .86rem;
  line-height: 1.5;
  color: var(--oc-muted);
}

.oc-contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.oc-contact-list li {
  padding-top: 14px;
  border-top: 1px solid rgba(169,178,177,.65);
}

.oc-contact-list strong {
  display: block;
  color: var(--oc-black);
}

@media (max-width: 960px) {
  .oc-nav { display: none; }
  .oc-header-actions .desktop-only { display: none; }
  .mobile-menu-btn { display: block; }
  .oc-header { flex-wrap: wrap; }
  .oc-hero-left,
  .oc-hero-right,
  .oc-span-7,
  .oc-span-6,
  .oc-span-5,
  .oc-span-4,
  .oc-span-3 { grid-column: 1 / -1; }
  .oc-stat-strip { grid-template-columns: 1fr 1fr; }
  .oc-footer-grid { grid-template-columns: 1fr 1fr; }
  .oc-hero-title { font-size: clamp(2.7rem, 12vw, 5rem); }
}

@media (max-width: 640px) {
  .oc-section { padding: 58px 18px; }
  .oc-section-tight { padding: 42px 18px; }
  .oc-header-wrap { position: relative; }
  .oc-stat-strip { grid-template-columns: 1fr; }
  .oc-footer-grid { grid-template-columns: 1fr; }
  .oc-card { padding: 22px; }
  .oc-btn-row { align-items: stretch; }
  .oc-btn-primary,
  .oc-btn-secondary { width: 100%; text-align: center; }
}