:root {
  --zs-color-green: #38c172;
  --zs-color-green-dark: #1f9f57;
  --zs-color-black: #111111;
  --zs-color-text: #232323;
  --zs-color-muted: #6f6f6f;
  --zs-color-border: #e5e5e5;
  --zs-color-white: #ffffff;
  --zs-color-soft: #f6f6f6;
  --zs-shadow-header: 0 10px 26px rgba(17, 17, 17, 0.08);
  --zs-shadow-card: 0 10px 30px rgba(17, 17, 17, 0.06);
  --zs-transition: 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--zs-color-text);
  background: #fff;
}

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

svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

input,
textarea {
  width: 100%;
}

.zs-site {
  min-height: 100vh;
}

.zs-main {
  display: block;
}

.zs-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 14px;
  line-height: 1;
  font-weight: 700;
  transition: background-color var(--zs-transition), color var(--zs-transition), border-color var(--zs-transition), transform var(--zs-transition);
}

.zs-form,
.zs-form--modal,
.zs-detail-form {
  display: grid;
  gap: 14px;
}

.zs-form input,
.zs-form textarea,
.zs-form--modal input,
.zs-form--modal textarea,
.zs-detail-form input,
.zs-detail-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 4px;
  background: #fff;
  color: var(--zs-color-text);
}

.zs-form textarea,
.zs-form--modal textarea,
.zs-detail-form textarea {
  min-height: 130px;
  resize: vertical;
}

.zs-form input::placeholder,
.zs-form textarea::placeholder,
.zs-form--modal input::placeholder,
.zs-form--modal textarea::placeholder,
.zs-detail-form input::placeholder,
.zs-detail-form textarea::placeholder {
  color: #8d8d8d;
}

.zs-form button,
.zs-form--modal button,
.zs-detail-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 4px;
  background: var(--zs-color-green);
  color: #fff;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 14px;
  line-height: 1;
  font-weight: 700;
  transition: background-color var(--zs-transition), transform var(--zs-transition);
}

.zs-form button:hover,
.zs-form--modal button:hover,
.zs-detail-form button:hover {
  background: var(--zs-color-green-dark);
}

.zs-detail-page {
  padding: 56px 15% 88px;
  background: #fff;
}

.zs-detail-page__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(290px, 0.72fr);
  gap: 54px;
  align-items: start;
}

.zs-article__hero {
  margin: 0 0 12px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: #f3f3f3;
  aspect-ratio: 16 / 9;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.zs-article__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0) 35%, rgba(255, 255, 255, 0.28) 50%, rgba(255, 255, 255, 0) 65%);
  transform: translateX(-130%);
  transition: transform 0.7s ease;
  pointer-events: none;
  z-index: 1;
}

.zs-article__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.zs-article__hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(17, 17, 17, 0.14);
}

.zs-article__hero:hover::before {
  transform: translateX(130%);
}

.zs-article__hero:hover img {
  transform: scale(1.04);
}

.zs-article__panel {
  padding: 30px 40px 40px;
  background: #fff;
  border-top: 1px solid #e7efe9;
  box-shadow: 0 12px 34px rgba(17, 17, 17, 0.08);
}

.zs-article__header h1 {
  margin: 0 0 18px;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 38px;
  line-height: 1.15;
  font-weight: 700;
  color: #222;
}

.zs-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zs-article__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.4;
  color: #8a8a8a;
}

.zs-article__meta-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  color: var(--zs-color-green);
}

.zs-article__divider {
  margin: 24px 0 32px;
  border-top: 1px solid var(--zs-color-border);
}

.zs-article__content {
  font-size: 18px;
  line-height: 1.85;
  color: #595959;
}

.zs-article__content h2,
.zs-article__content h3 {
  margin: 34px 0 18px;
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.3;
  color: #232323;
  position: relative;
}

.zs-article__content h2 {
  font-size: 26px;
  font-weight: 700;
  padding: 0 0 10px 18px;
  border-left: 4px solid var(--zs-color-green);
}

.zs-article__content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 88px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--zs-color-green) 0%, rgba(56, 193, 114, 0.2) 100%);
}

.zs-article__content h3 {
  font-size: 22px;
  font-weight: 700;
  padding-left: 18px;
  border-left: 3px solid rgba(56, 193, 114, 0.75);
  color: #1f2a37;
}

.zs-article__content p {
  margin: 0 0 18px;
}

.zs-article__content strong {
  font-weight: 700;
  color: #1c1c1c;
}

.zs-article__content a {
  color: var(--zs-color-green-dark);
}

.zs-article__content a:hover {
  color: var(--zs-color-green);
}

.zs-article__image {
  margin: 28px 0;
}

.zs-article__image img {
  width: 100%;
}

.zs-article__share {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.zs-share {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 0;
  color: #fff;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 13px;
  line-height: 1;
  font-weight: 600;
  transition: transform var(--zs-transition), filter var(--zs-transition);
}

.zs-share:hover {
  transform: translateY(-2px);
  filter: brightness(0.95);
}

.zs-share__icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.zs-share--facebook { background: #1877f2; }
.zs-share--twitter { background: #1da1f2; }
.zs-share--linkedin { background: #0a66c2; }
.zs-share--x { background: #111; }
.zs-share--reddit { background: #ff4500; }

.zs-article__nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 42px;
  padding-top: 34px;
  border-top: 1px solid var(--zs-color-border);
}

.zs-article__nav-separator {
  background: var(--zs-color-border);
}

.zs-article__nav-link {
  display: grid;
  gap: 10px;
}

.zs-article__nav-link--next {
  text-align: right;
}

.zs-article__nav-label {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
  color: var(--zs-color-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.zs-article__nav-title {
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 600;
  color: #222;
}

.zs-article__nav-link:hover .zs-article__nav-title {
  color: var(--zs-color-green-dark);
}

.zs-detail-sidebar {
  display: grid;
  gap: 34px;
}

.zs-detail-sidebar__recent {
  padding: 18px 16px 16px;
  background: #e8e6d8;
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.06);
}

.zs-detail-sidebar__recent h2,
.zs-detail-sidebar__contact h2 {
  margin: 0 0 20px;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 700;
  color: #232323;
}

.zs-recent-list {
  display: grid;
  gap: 20px;
}

.zs-recent-card {
  display: grid;
  gap: 12px;
  padding: 8px;
  border-radius: 6px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
  animation: zsRecentFadeIn 0.45s ease both;
}

.zs-recent-card:nth-child(2) {
  animation-delay: 0.08s;
}

.zs-recent-card:nth-child(3) {
  animation-delay: 0.16s;
}

.zs-recent-card:hover,
.zs-recent-card:focus-within {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 10px 20px rgba(17, 17, 17, 0.08);
}

.zs-recent-card__media {
  display: block;
  overflow: hidden;
  border-radius: 4px;
  position: relative;
}

.zs-recent-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.22) 0%, rgba(0, 0, 0, 0) 46%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.zs-recent-card__media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.zs-recent-card:hover .zs-recent-card__media img {
  transform: scale(1.03);
}

.zs-recent-card:hover .zs-recent-card__media::after,
.zs-recent-card:focus-within .zs-recent-card__media::after {
  opacity: 1;
}

.zs-recent-card h3 {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  font-weight: 500;
  color: #232323;
  transition: color 0.25s ease;
}

.zs-recent-card:hover h3,
.zs-recent-card:focus-within h3 {
  color: var(--zs-color-green-dark);
}

.zs-detail-sidebar__contact {
  position: sticky;
  top: 120px;
}

.zs-detail-sidebar__contact-inner {
  padding: 30px 28px;
  background: #efd97a;
  border: 0;
  box-shadow: var(--zs-shadow-card);
  border-radius: 6px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zs-detail-sidebar__contact-inner:hover,
.zs-detail-sidebar__contact-inner:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(17, 17, 17, 0.16);
}

.zs-detail-sidebar__contact h2 {
  color: #174b46;
}

.zs-detail-sidebar__contact p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.7;
  color: #6a6a6a;
}

.zs-detail-form input,
.zs-detail-form textarea {
  border: 0;
  box-shadow: none;
  background: #fff;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.zs-detail-form input:focus,
.zs-detail-form textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(23, 75, 70, 0.18);
  transform: translateY(-1px);
}

.zs-detail-form button {
  width: 100%;
  background: #174b46;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.zs-detail-form button:hover {
  background: #113a36;
  transform: translateY(-1px);
}

@keyframes zsRecentFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1279px) {
  .zs-detail-page {
    padding: 48px 10% 72px;
  }

  .zs-detail-page__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .zs-detail-sidebar__contact {
    position: static;
  }

  .zs-detail-sidebar__recent {
    display: none;
  }
}

@media (max-width: 1024px) {
  .zs-detail-page {
    padding: 40px 8% 64px;
  }

  .zs-article__header h1 {
    font-size: 33px;
  }

  .zs-article__content {
    font-size: 17px;
  }

  .zs-article__content h2 {
    font-size: 27px;
  }

  .zs-article__content h3 {
    font-size: 22px;
  }

  .zs-article__nav {
    grid-template-columns: 1fr;
  }

  .zs-article__nav-separator {
    display: none;
  }

  .zs-article__nav-link--next {
    text-align: left;
    padding-top: 24px;
    border-top: 1px solid var(--zs-color-border);
  }
}

@media (max-width: 767px) {
  .zs-wz {
    width: min(100% - 24px, 1600px);
  }

  .zs-detail-page {
    padding: 30px 24px 48px;
  }

  .zs-article__header h1 {
    font-size: 26px;
  }

  .zs-article__panel {
    padding: 24px;
  }

  .zs-article__meta {
    gap: 12px;
  }

  .zs-article__meta li {
    font-size: 13px;
  }

  .zs-article__content {
    font-size: 15px;
    line-height: 1.8;
  }

  .zs-article__content h2 {
    margin-top: 26px;
    font-size: 22px;
  }

  .zs-article__content h3 {
    font-size: 19px;
  }

  .zs-share {
    width: calc(50% - 6px);
    justify-content: center;
  }

  .zs-detail-sidebar__contact-inner {
    padding: 24px 18px;
  }

  .zs-detail-sidebar__recent h2,
  .zs-detail-sidebar__contact h2 {
    font-size: 24px;
  }
}