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

:root {
  --bg: #f4f8f4;
  --surface: #ffffff;
  --surface-muted: #eaf3ec;
  --text: #20312b;
  --text-soft: #53665d;
  --line: #d4e1d6;
  --accent: #2e7d5b;
  --accent-dark: #1f5c43;
  --accent-soft: #dff1e6;
  --shadow: 0 18px 50px rgba(32, 49, 43, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7fbf8 0%, #eef5ef 100%);
  line-height: 1.7;
}

a {
  color: var(--accent-dark);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(212, 225, 214, 0.9);
  backdrop-filter: blur(12px);
}

.site-header__inner,
.page-content,
.page-header__inner,
.hero,
.section-shell,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
}

.site-brand__title {
  font-size: 1.1rem;
  font-weight: 700;
}

.site-brand__subtitle {
  font-size: 0.92rem;
  color: var(--text-soft);
}

.site-nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  font: inherit;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav > ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.site-nav li {
  position: relative;
}

.submenu-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.submenu-row > a {
  flex: 1;
}

.submenu-toggle {
  display: none;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  position: relative;
}

.submenu-toggle::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translate(-50%, -65%) rotate(45deg);
  transition: transform 0.2s ease;
}

.submenu-toggle[aria-expanded='true']::before {
  transform: translate(-50%, -35%) rotate(225deg);
}

.site-nav a {
  display: block;
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.site-nav li ul {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  min-width: 250px;
  display: none;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.site-nav li:hover > ul,
.site-nav li:focus-within > ul {
  display: block;
}

.site-nav li ul li ul {
  left: calc(100% + 8px);
  top: 0;
}

.page-main {
  padding-bottom: 56px;
}

.hero {
  display: flex;
  align-items: center;
  min-height: 420px;
  padding: 64px 0 24px;
}

.hero__content,
.page-header,
.section-shell,
.page-content,
.site-footer {
  background: var(--surface);
  border: 1px solid rgba(212, 225, 214, 0.9);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero__content,
.page-header__inner,
.section-shell,
.page-content,
.site-footer {
  padding: 34px;
}

.hero__eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 14px;
  color: var(--text-soft);
}

.hero__actions,
.section-heading,
.site-footer__grid,
.card-grid,
.footer-links {
  display: flex;
}

.hero__actions {
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button--secondary {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--line);
}

.section-shell {
  margin-top: 24px;
}

.section-shell--accent {
  background: linear-gradient(180deg, #f3fbf4 0%, #ffffff 100%);
}

.section-heading {
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.card-grid {
  flex-wrap: wrap;
  gap: 18px;
}

.card-grid > * {
  flex: 1 1 260px;
}

.card-grid--compact > * {
  flex-basis: 220px;
}

.feature-card,
.content-block,
.blog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
}

.feature-card img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  margin-bottom: 18px;
}

.page-header {
  width: min(1120px, calc(100% - 32px));
  margin: 32px auto 0;
}

.page-content {
  margin-top: 24px;
}

.content-block + .content-block {
  margin-top: 18px;
}

.content-block table {
  width: 100%;
  border-collapse: collapse;
}

.content-block th,
.content-block td {
  border: 1px solid var(--line);
  padding: 10px 12px;
}

.content-block audio,
.content-block video,
.content-block iframe {
  width: 100%;
}

.content-block form,
.romlicontainer form {
  display: grid;
  gap: 12px;
}

.content-block input,
.content-block button,
.romlicontainer input,
.romlicontainer button {
  font: inherit;
}

.content-block input[type='text'],
.content-block input[type='email'],
.romlicontainer input[type='text'],
.romlicontainer input[type='email'] {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.content-block input[type='submit'],
.content-block button,
.romlicontainer input[type='submit'],
.romlicontainer button {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.blog-title,
.blog-preview p {
  margin: 0;
}

.site-footer {
  margin-top: 32px;
  margin-bottom: 32px;
}

.site-footer__grid {
  gap: 22px;
  flex-wrap: wrap;
}

.site-footer__grid > * {
  flex: 1 1 220px;
}

.footer-links {
  flex-direction: column;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__note {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav > ul {
    flex-direction: column;
    align-items: stretch;
  }

  .submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav li:hover > ul,
  .site-nav li:focus-within > ul {
    display: none;
  }

  .site-nav li ul,
  .site-nav li ul li ul {
    position: static;
    display: none;
    min-width: 0;
    margin-top: 4px;
    margin-left: 12px;
    padding: 4px 0 4px 8px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  .site-nav li.has-submenu.is-open > ul {
    display: block;
  }

  .hero__content,
  .page-header__inner,
  .section-shell,
  .page-content,
  .site-footer {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .site-header__inner,
  .page-content,
  .page-header__inner,
  .hero,
  .section-shell,
  .site-footer {
    width: min(100% - 20px, 1120px);
  }

  .hero {
    min-height: unset;
    padding-top: 28px;
  }
}