:root {
  --ocean-950: #06365f;
  --ocean-800: #075985;
  --ocean-700: #0369a1;
  --ocean-600: #0284c7;
  --ocean-500: #0ea5e9;
  --ocean-300: #7dd3fc;
  --ocean-200: #bae6fd;
  --ocean-100: #e0f2fe;
  --surface: rgba(255, 255, 255, 0.58);
  --surface-strong: rgba(255, 255, 255, 0.78);
  --surface-hover: rgba(255, 255, 255, 0.86);
  --glass-border: rgba(255, 255, 255, 0.72);
  --text: #0b2942;
  --muted: #45647c;
  --white: #ffffff;
  --shadow-sm: 0 10px 30px rgba(3, 105, 161, 0.12);
  --shadow-md: 0 18px 45px rgba(3, 105, 161, 0.2);
  --glow: 0 0 34px rgba(56, 189, 248, 0.2);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --page-width: 1160px;
  --content-width: 980px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.92) 0, rgba(255, 255, 255, 0) 34%),
    radial-gradient(circle at 88% 22%, rgba(125, 211, 252, 0.48) 0, rgba(125, 211, 252, 0) 30%),
    linear-gradient(145deg, #f0f9ff 0%, #dff5ff 42%, #b9e6fa 100%);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 70vw;
  height: 34vw;
  min-width: 620px;
  min-height: 300px;
  content: "";
  pointer-events: none;
  border: 2px solid rgba(255, 255, 255, 0.52);
  border-radius: 50%;
  filter: blur(1px);
  box-shadow:
    0 0 60px rgba(14, 165, 233, 0.16),
    inset 0 0 55px rgba(255, 255, 255, 0.24);
}

body::before {
  top: 12%;
  left: -28%;
  transform: rotate(10deg);
}

body::after {
  right: -30%;
  bottom: 3%;
  transform: rotate(-12deg);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.header {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 28px;
  width: min(calc(100% - 40px), var(--page-width));
  margin: 24px auto 0;
  padding: 18px 22px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.48);
  box-shadow: var(--shadow-sm), var(--glow);
  backdrop-filter: blur(20px) saturate(135%);
  -webkit-backdrop-filter: blur(20px) saturate(135%);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 2rem;
}

.logo h1,
.logo p {
  margin: 0;
}

.logo h1 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.logo p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.navigation a {
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.navigation a:hover,
.navigation a[aria-current="page"] {
  color: var(--ocean-800);
  border-color: rgba(14, 165, 233, 0.2);
  background: rgba(255, 255, 255, 0.58);
  transform: translateY(-1px);
}

.datetime {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-self: end;
  min-width: 150px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.38);
}

.datetime span {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.datetime small {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: capitalize;
}

main {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 390px;
  padding: 96px 20px 64px;
  text-align: center;
}

.hero h2 {
  margin: 0;
  font-size: clamp(3.2rem, 10vw, 6.7rem);
  font-weight: 850;
  line-height: 0.95;
  letter-spacing: -0.065em;
  color: transparent;
  background: linear-gradient(115deg, var(--ocean-950) 8%, var(--ocean-600) 58%, #38bdf8 100%);
  background-clip: text;
  -webkit-background-clip: text;
  filter: drop-shadow(0 8px 26px rgba(14, 165, 233, 0.14));
}

.hero > p {
  max-width: 700px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.search-box {
  display: flex;
  width: min(100%, 680px);
  margin-top: 34px;
  padding: 7px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow-md), 0 0 42px rgba(56, 189, 248, 0.16);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.search-box input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

.search-box input::placeholder {
  color: #6d899f;
}

.search-box button {
  padding: 12px 24px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, var(--ocean-600), var(--ocean-500));
  box-shadow: 0 8px 20px rgba(2, 132, 199, 0.25);
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.search-box button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(2, 132, 199, 0.32);
  filter: saturate(1.12);
}

.daily,
.directions,
.about {
  margin-bottom: 72px;
}

.daily > h2,
.directions > h2,
.about > h2 {
  margin: 0 0 24px;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
  text-align: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card,
.direction-card,
.about {
  border: 1px solid var(--glass-border);
  background: var(--surface);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.card {
  min-height: 164px;
  padding: 26px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  font-weight: 800;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 700;
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.direction-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 30px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: transform 240ms ease, box-shadow 240ms ease, background-color 240ms ease, border-color 240ms ease;
}

.direction-card::after {
  position: absolute;
  right: -48px;
  bottom: -72px;
  width: 190px;
  height: 190px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.26), rgba(56, 189, 248, 0));
  transition: transform 260ms ease;
}

.direction-card.bdo::after {
  background: radial-gradient(circle, rgba(14, 116, 144, 0.3), rgba(14, 116, 144, 0));
}

.direction-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 15px;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  line-height: 1.3;
}

.direction-card p {
  position: relative;
  z-index: 1;
  max-width: 36ch;
  margin: 0 0 28px;
  color: var(--muted);
}

.direction-card > span {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  margin-top: auto;
  color: var(--ocean-700);
  font-size: 0.94rem;
  font-weight: 800;
}

.card:hover,
.direction-card:hover {
  transform: translateY(-7px);
  border-color: rgba(125, 211, 252, 0.9);
  background: var(--surface-hover);
  box-shadow: var(--shadow-md), 0 0 35px rgba(56, 189, 248, 0.16);
}

.direction-card:hover::after {
  transform: scale(1.18) translate(-8px, -8px);
}

.about {
  padding: 38px clamp(24px, 6vw, 64px);
  border-radius: var(--radius-lg);
  text-align: center;
}

.about > h2 {
  margin-bottom: 16px;
}

.about p {
  max-width: 660px;
  margin: 8px auto;
  color: var(--muted);
}

.about p:last-child {
  color: var(--ocean-800);
  font-weight: 750;
}

footer {
  width: min(calc(100% - 40px), var(--page-width));
  margin: 0 auto;
  padding: 4px 20px 30px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

footer p {
  margin: 0;
}

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

.navigation a:focus-visible,
.search-box input:focus-visible,
.search-box button:focus-visible,
.direction-card:focus-visible,
.nav-button:focus-visible,
.link-card:focus-visible,
.bdo-card:focus-visible,
.search-input:focus-visible,
.search-button:focus-visible {
  outline: 3px solid rgba(2, 132, 199, 0.45);
  outline-offset: 4px;
}

/* Совместимость с внутренними страницами StartWave */
.page-container {
  display: flex;
  flex-direction: column;
  width: min(calc(100% - 32px), var(--page-width));
  min-height: 100vh;
  margin: 0 auto;
}

.site-header,
.content-main {
  width: 100%;
}

.site-header {
  padding-top: 24px;
}

.header-container,
.page-intro,
.category-section,
.page-block,
.project-meta {
  width: min(100%, var(--content-width));
  margin-right: auto;
  margin-left: auto;
}

.header-container,
.page-intro,
.category-title,
.project-meta,
.site-footer {
  text-align: center;
}

.site-title,
.page-title {
  margin: 0;
  letter-spacing: -0.04em;
}

.site-title {
  font-size: clamp(2.4rem, 7vw, 4.8rem);
}

.site-subtitle,
.page-subtitle,
.project-meta,
.site-footer {
  color: var(--muted);
}

.mini-clock {
  display: inline-flex;
  flex-direction: column;
  margin: 18px 0;
  padding: 10px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mini-time {
  font-size: 1.4rem;
  font-weight: 800;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.nav-button {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
}

.nav-button:hover,
.nav-button.active {
  color: var(--ocean-800);
  background: var(--surface-strong);
}

.search-form {
  display: flex;
  width: min(100%, 620px);
  margin: 28px auto;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-sm);
}

.search-input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border: 0;
  outline: 0;
  background: transparent;
}

.search-button {
  padding: 12px 22px;
  border: 0;
  color: var(--white);
  background: var(--ocean-600);
}

.content-main {
  flex: 1;
  padding: 44px 0 30px;
}

.page-intro,
.category-section,
.page-block {
  margin-bottom: 42px;
}

.page-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.category-title {
  margin: 0 0 20px;
}

.card-grid,
.bdo-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.link-card,
.ai-role-card,
.bdo-card,
.project-meta {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.link-card,
.bdo-card {
  color: inherit;
  text-decoration: none;
}

.link-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.card-label {
  padding: 14px;
  font-weight: 750;
  text-align: center;
}

.bdo-card,
.ai-role-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 22px;
  text-align: center;
}

.ai-role-card {
  flex-direction: column;
}

.link-card,
.bdo-card,
.ai-role-card {
  transition: transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.link-card:hover,
.bdo-card:hover,
.ai-role-card:hover {
  transform: translateY(-5px);
  background: var(--surface-hover);
  box-shadow: var(--shadow-md);
}

.role-icon {
  margin-bottom: 10px;
  font-size: 2rem;
}

.role-label {
  font-weight: 750;
}

.project-meta {
  padding: 20px;
}

.site-footer {
  padding: 12px 0 28px;
}

@media (max-width: 900px) {
  .header {
    grid-template-columns: 1fr auto;
  }

  .navigation {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
  }

  .cards {
    gap: 16px;
  }
}

@media (max-width: 680px) {
  .header,
  main,
  footer {
    width: min(calc(100% - 24px), var(--page-width));
  }

  .header {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 12px;
    padding: 16px;
  }

  .logo,
  .datetime {
    justify-self: center;
  }

  .logo {
    text-align: left;
  }

  .datetime {
    align-items: center;
    grid-row: 2;
  }

  .navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    grid-row: 3;
  }

  .navigation a {
    text-align: center;
  }

  .hero {
    min-height: 340px;
    padding: 68px 6px 50px;
  }

  .hero h2 {
    font-size: clamp(3rem, 19vw, 5rem);
  }

  .search-box {
    flex-direction: column;
    gap: 7px;
    padding: 8px;
    border-radius: var(--radius-md);
  }

  .search-box input,
  .search-box button {
    width: 100%;
  }

  .search-box button {
    border-radius: var(--radius-sm);
  }

  .daily,
  .directions,
  .about {
    margin-bottom: 50px;
  }

  .cards,
  .direction-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 140px;
  }

  .direction-card {
    min-height: 210px;
    padding: 25px;
  }

  .page-container {
    width: min(calc(100% - 24px), var(--page-width));
  }

  .search-form {
    flex-direction: column;
    border-radius: var(--radius-md);
  }

  .search-input,
  .search-button {
    width: 100%;
  }

  .card-grid,
  .bdo-menu {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}