@charset "UTF-8";
:root {
  --font-body: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --font-heading: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --bg: #ffffff;
  --bg-surface: #ffffff;
  --text: #212529;
  --text-muted: #4a4a4a;
  --accent: #1b8007;
  --accent-secondary: #b82825;
  --link-color: #0039d9;
  --accent-rgb: 27, 128, 7;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 1000;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

a[target=_blank]::after {
  content: " ↗";
  font-size: 0.75em;
  vertical-align: super;
  margin-left: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
html {
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.2;
  color: inherit;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: var(--link-color);
  text-decoration: underline;
}
a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
}

.index-slider {
  position: relative;
  margin: 0 auto 30px;
  text-align: center;
}

.slider {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
  overflow: hidden;
}
.slider::before {
  content: "";
  display: block;
  padding-top: 160%;
}
.slider__img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1);
  transition: opacity 2s ease;
}
.slider__img--active {
  opacity: 1;
  z-index: 1;
}
.slider__img--zoom {
  transform: scale(1.08);
  transition: opacity 2s ease, transform 8s ease-out;
}
.slider__controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 2;
  display: flex;
  gap: 6px;
}
.slider__btn, .slider__pause {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider__btn:hover, .slider__pause:hover {
  background: rgba(0, 0, 0, 0.7);
}
.slider__btn:focus-visible, .slider__pause:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

.optc-site h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.optc-site h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
}
.optc-site h3 {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
}
.optc-site h4 {
  font-size: 1.1rem;
  font-weight: 600;
}
.optc-site p {
  line-height: 1.7;
}

.optc-site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.optc-header__banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-surface);
  border-bottom: 3px solid var(--accent);
  text-decoration: none;
  color: inherit;
}
.optc-header__banner:hover {
  text-decoration: none;
}
.optc-header__logo {
  width: 80px;
  height: auto;
  flex-shrink: 0;
  margin-left: auto;
}
.optc-header__text {
  margin-right: auto;
}
.optc-header__text p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}
.optc-header__title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
  line-height: 1.2;
}
.optc-header__phone {
  text-align: center;
  padding: 6px 20px;
  background: var(--accent);
}
.optc-header__phone a {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.optc-header__phone a:hover {
  text-decoration: underline;
}
.optc-header__nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 20px;
  background: var(--bg);
}
.optc-header__nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 24px;
  transition: all 0.2s;
}
.optc-header__nav a:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.optc-header__nav a.active {
  background: var(--accent);
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.optc-main {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.optc-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 32px 20px;
}
@media (min-width: 768px) {
  .optc-welcome {
    flex-direction: row;
    align-items: flex-start;
    padding: 40px 24px;
    gap: 32px;
  }
}
.optc-welcome__img {
  max-width: 320px;
  flex-shrink: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
@media (min-width: 768px) {
  .optc-welcome__img {
    transform: rotate(-1deg);
    transition: transform 0.3s ease;
  }
  .optc-welcome__img:hover {
    transform: rotate(0deg) scale(1.02);
  }
}
.optc-welcome__img img {
  width: 100%;
  height: auto;
  display: block;
}
.optc-welcome__text h2 {
  color: var(--accent);
  margin-bottom: 12px;
}
.optc-welcome__text p {
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.optc-welcome__cta {
  display: inline-block;
  padding: 10px 28px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 24px;
  transition: opacity 0.2s, transform 0.2s;
}
.optc-welcome__cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.optc-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 16px 20px;
}
@media (min-width: 768px) {
  .optc-highlights {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.optc-highlight {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.25s, transform 0.25s;
  cursor: pointer;
}
.optc-highlight:hover, .optc-highlight:has(.optc-highlight__link:focus-visible) {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}
.optc-highlight__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.1);
}
.optc-highlight h3 {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.optc-highlight p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.optc-highlight__link {
  font-weight: 600;
  font-size: 0.9rem;
}
.optc-highlight__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 16px;
}
.optc-highlight__link:focus-visible {
  outline: none;
}
.optc-highlight__link:focus-visible::after {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 16px;
}
.optc-highlight__link:focus:not(:focus-visible) {
  outline: none;
}

.optc-info-bar {
  text-align: center;
  padding: 20px 24px;
  background: var(--bg-surface);
  border-radius: 16px;
  margin: 16px 20px 24px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.optc-info-bar p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.optc-info-bar p:first-child {
  margin-bottom: 4px;
}
.optc-info-bar a {
  color: var(--link-color);
}

.optc-page {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 20px;
}
@media (min-width: 768px) {
  .optc-page {
    flex-direction: row;
  }
}
.optc-page__content {
  flex: 1;
  min-width: 0;
}
.optc-page__content h1 {
  color: var(--accent);
}
.optc-page__content img {
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.optc-page__content a {
  text-decoration: underline;
}
.optc-page__content a:hover {
  text-decoration: none;
}

.page-subtitle {
  color: var(--accent-secondary);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: left;
  margin-top: -0.25rem;
  margin-bottom: 1.25rem;
}

.page-hero-img {
  margin: 0 auto 1.5rem;
  max-width: 100%;
  text-align: center;
}
.page-hero-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}
@media (min-width: 992px) {
  .page-hero-img {
    max-width: 800px;
  }
}

.optc-sidebar {
  display: flex;
  flex-direction: row;
  gap: 12px;
}
@media (min-width: 768px) {
  .optc-sidebar {
    flex-direction: column;
    width: 220px;
    flex-shrink: 0;
    order: -1;
  }
}
.optc-sidebar__card {
  background: var(--bg-surface);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  flex: 1;
}
@media (min-width: 768px) {
  .optc-sidebar__card {
    flex: none;
  }
}
.optc-sidebar__card h4, .optc-sidebar__card .optc-sidebar__heading {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}
.optc-sidebar__card a {
  display: block;
  padding: 3px 0;
  font-size: 0.9rem;
  color: var(--link-color);
  text-decoration: underline;
}
.optc-sidebar__card a:hover {
  text-decoration: none;
}
.optc-sidebar__card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.optc-footer {
  background: var(--bg-surface);
  padding: 32px 20px;
  padding-bottom: 80px;
  border-top: 3px solid var(--accent);
  margin-top: auto;
}
@media (min-width: 768px) {
  .optc-footer {
    padding-bottom: 32px;
  }
}
.optc-footer__inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 576px) {
  .optc-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}
.optc-footer__card {
  background: var(--bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  text-align: center;
}
.optc-footer__card h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}
.optc-footer__card p {
  margin: 0 0 4px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.optc-footer__card a {
  color: var(--link-color);
  text-decoration: underline;
}
.optc-footer__card a:hover {
  text-decoration: none;
}
.optc-footer__tagline {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 16px 0 0;
}

.optc-call-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
}
.optc-call-bar:hover {
  opacity: 0.95;
  color: #fff;
  text-decoration: none;
}
@media (min-width: 768px) {
  .optc-call-bar {
    display: none;
  }
}