*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-accent: #060606;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-border: #e8e8e8;
  --color-bg: #ffffff;
  --color-surface: #fafafa;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --transition: 0.2s ease;
  --max: 1080px;
  --pad: 24px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 200;
  padding: 8px 14px;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
}

.skip-link:focus {
  top: 12px;
}

/* ── Header ── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background-color 0.25s ease, backdrop-filter 0.25s ease;
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px var(--pad);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo_main_w {
    width: 34px;
    }
    
.header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 10px;
  transition: opacity var(--transition);
  cursor: pointer;
  border: 1px solid var(--color-accent);
}

.btn:hover {
  opacity: 0.82;
}

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

.btn--small {
  padding: 8px 20px;
  font-size: 12px;
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--ghost:hover {
  opacity: 1;
  background: var(--color-accent);
  color: #fff;
}

/* ── Hero ── */

.hero {
  position: relative;
  padding: 132px 0 88px;
  background: linear-gradient(180deg, #ffffff 0%, #f4f4f4 100%);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -30%;
  left: 18%;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 6, 6, 0.045) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
grid-template-columns: minmax(0, 1fr) minmax(400px, 480px);
  align-items: center;
  gap: 48px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.hero__title {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 20px;
}

.hero__text {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 540px;
  margin-bottom: 32px;
}

.hero__media {
  margin: 0;
}

.hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: center;
}

/* ── Manifest ── */

.manifest {
  background: var(--color-surface);
  padding: 88px 0;
}

.manifest__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.manifest__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.manifest__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 680px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ── Changes ── */

/* ── Changes ── */

.changes {
  padding: 88px 0;
}

.changes__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  text-align: center;
}

.changes__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.changes__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
  text-align: left;
}

.changes__item {
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.changes__item-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.changes__item-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.55;
}

.changes_icon {
  width: 32px;
  height: auto;
    margin-right: 16px;
}

.changes_position {
  display: flex;
}

/* ── Scheme: 7 texts ── */

.scheme {
  background: var(--color-surface);
  padding: 88px 0;
}

.scheme__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.scheme__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 56px;
}

.scheme__list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.scheme__list::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.scheme__item {
  display: grid;
  grid-template-columns: 1fr 52px 1fr;
  gap: 20px;
  align-items: start;
}

.scheme__num {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}

.scheme__body {
  padding-top: 8px;
}

.scheme__item:nth-child(odd) .scheme__body {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.scheme__item:nth-child(even) .scheme__body {
  grid-column: 3;
  grid-row: 1;
}

.scheme__item:nth-child(odd) .scheme__num,
.scheme__item:nth-child(even) .scheme__num {
  grid-row: 1;
}

.scheme__item-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.scheme__body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── Join / conclusion ── */

.join {
  padding: 72px 0 80px;
}

.join__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  text-align: center;
}

.join__title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.join__text {
  max-width: 560px;
  margin: 0 auto;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ── Footer ── */

.footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 24px;
  text-align: center;
}

.footer__copy {
  font-size: 13px;
  color: var(--color-muted);
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__text {
    max-width: 520px;
  }

  .hero__media {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 108px 0 64px;
  }

  .manifest,
  .changes,
  .scheme {
    padding: 64px 0;
  }

  .join {
    padding: 48px 0 64px;
  }

  .changes__list {
    grid-template-columns: 1fr;
  }

  .scheme__list::before {
    left: 26px;
    transform: none;
  }

  .scheme__item,
  .scheme__item:nth-child(odd),
  .scheme__item:nth-child(even) {
    grid-template-columns: 52px 1fr;
  }

  .scheme__num {
    grid-column: 1;
  }

  .scheme__item .scheme__body,
  .scheme__item:nth-child(odd) .scheme__body,
  .scheme__item:nth-child(even) .scheme__body {
    grid-column: 2;
    text-align: left;
  }
}

@media (max-width: 480px) {
  :root {
    --pad: 20px;
  }

  .header__inner {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .hero {
    padding: 96px 0 48px;
  }

  .manifest,
  .changes,
  .scheme {
    padding: 48px 0;
  }

  .join {
    padding: 40px 0 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .header {
    transition: none;
  }
}