:root {
    --bg: #061a20;
    --bg-2: #08262e;
    --panel: rgba(255, 255, 255, 0.075);
    --panel-strong: rgba(255, 255, 255, 0.12);
    --line: rgba(201, 252, 239, 0.18);
    --text: #edf8f7;
    --muted: rgba(237, 248, 247, 0.72);
    --soft: rgba(237, 248, 247, 0.56);
    --accent: #6ef0d3;
    --accent-2: #95e46b;
    --accent-3: #7db9ff;
    --warm: #ffd07a;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.33);
    --radius: 28px;
    --max: 1240px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at 10% 5%, rgba(110, 240, 211, 0.16), transparent 28rem),
        radial-gradient(circle at 90% 5%, rgba(125, 185, 255, 0.15), transparent 25rem),
        linear-gradient(140deg, #06151b 0%, #06232b 45%, #091c26 100%);
    line-height: 1.55;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.95), transparent 78%);
    z-index: -1;
}

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

a {
    color: inherit;
}

body[data-lang="ru"] :is(.lang-en, .lang-zh, .lang-hi, .lang-pt),
body[data-lang="en"] :is(.lang-ru, .lang-zh, .lang-hi, .lang-pt),
body[data-lang="zh"] :is(.lang-ru, .lang-en, .lang-hi, .lang-pt),
body[data-lang="hi"] :is(.lang-ru, .lang-en, .lang-zh, .lang-pt),
body[data-lang="pt"] :is(.lang-ru, .lang-en, .lang-zh, .lang-hi) {
    display: none !important;
}

body[data-lang="zh"],
body[data-lang="hi"] {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans SC", "Noto Sans Devanagari", Arial, sans-serif;
}

body[data-lang="zh"] h1,
body[data-lang="zh"] h2,
body[data-lang="hi"] h1,
body[data-lang="hi"] h2,
body[data-lang="hi"] .kicker,
body[data-lang="hi"] .section-kicker {
    letter-spacing: normal;
}

.hero {
    position: relative;
    padding: 24px 24px 84px;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    left: -10vw;
    right: -10vw;
    bottom: -110px;
    height: 270px;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(110, 240, 211, 0.22), transparent 44%),
        linear-gradient(180deg, transparent 0%, rgba(8, 72, 92, 0.55) 44%, rgba(9, 110, 133, 0.24) 100%);
    border-radius: 50% 50% 0 0;
    filter: blur(0.2px);
    pointer-events: none;
}

.topbar,
.hero-inner,
.page-content,
.site-footer {
    width: min(100%, var(--max));
    margin: 0 auto;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    z-index: 5;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    font-weight: 760;
    letter-spacing: 0.01em;
}

.brand img {
    width: 42px;
    height: 42px;
}

.language-switch {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 3px;
    max-width: 100%;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(16px);
}

.language-switch button {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 10px 13px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    font-weight: 800;
    letter-spacing: 0.04em;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.language-switch button:hover {
    color: var(--text);
}

.language-switch button.is-active {
    color: #052027;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 30px rgba(110, 240, 211, 0.22);
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
    align-items: center;
    gap: 52px;
    padding-top: 72px;
}

.hero-copy {
    max-width: 720px;
}

.kicker,
.section-kicker {
    margin: 0 0 18px;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.16em;
}

h1 {
    margin: 0;
    font-size: clamp(4rem, 10vw, 9.4rem);
    line-height: 0.88;
    letter-spacing: -0.08em;
    max-width: 900px;
    text-wrap: balance;
}

.hero-lead {
    margin: 28px 0 0;
    max-width: 640px;
    color: var(--muted);
    font-size: clamp(1.2rem, 2.2vw, 1.7rem);
    line-height: 1.35;
}

.official-title {
    margin: 20px 0 0;
    max-width: 760px;
    color: var(--text);
    font-size: clamp(1.1rem, 2vw, 1.55rem);
    line-height: 1.28;
    font-weight: 850;
    letter-spacing: -0.025em;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0 0;
}

.hero-badges > span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 13px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--muted);
    font-size: 0.94rem;
}

.scroll-link {
    display: inline-flex;
    margin-top: 32px;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    color: #052027;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    text-decoration: none;
    font-weight: 850;
    box-shadow: 0 18px 40px rgba(110, 240, 211, 0.18);
}

.hero-visual {
    position: relative;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 36px;
    background: linear-gradient(160deg, rgba(255,255,255,0.13), rgba(255,255,255,0.045));
    box-shadow: var(--shadow);
    transform: rotate(1.5deg);
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: -18px;
    border-radius: 46px;
    background: linear-gradient(135deg, rgba(110, 240, 211, 0.16), rgba(125, 185, 255, 0.13));
    z-index: -1;
    filter: blur(20px);
}

.hero-visual img {
    border-radius: 24px;
    aspect-ratio: 1.08 / 1;
    object-fit: cover;
}

.page-content {
    position: relative;
    z-index: 2;
    padding: 38px 24px 64px;
}

.intro-block {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.72fr);
    gap: 32px;
    align-items: end;
    margin-bottom: 30px;
}

.intro-block h2 {
    margin: 0;
    font-size: clamp(2.1rem, 5vw, 4.6rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.intro-block p:not(.section-kicker) {
    margin: 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.project-bridge {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 22px;
    margin: 0 0 34px;
}

.bridge-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.105), rgba(255,255,255,0.045));
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.16);
    padding: clamp(24px, 3vw, 34px);
}

.bridge-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    pointer-events: none;
    background: radial-gradient(circle at 18% 0%, rgba(110, 240, 211, 0.18), transparent 36%), radial-gradient(circle at 100% 10%, rgba(125, 185, 255, 0.14), transparent 38%);
}

.bridge-card > * {
    position: relative;
    z-index: 1;
}

.russian-card {
    background: linear-gradient(180deg, rgba(110,240,211,0.15), rgba(255,255,255,0.052));
}

.focus-card {
    grid-column: 1 / -1;
}

.bridge-label {
    display: inline-flex;
    margin-bottom: 16px;
    border: 1px solid rgba(110, 240, 211, 0.34);
    border-radius: 999px;
    padding: 7px 11px;
    color: var(--accent);
    background: rgba(6, 26, 32, 0.42);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.bridge-card h2 {
    margin: 0 0 12px;
    font-size: clamp(2.1rem, 4vw, 4.6rem);
    line-height: 0.92;
    letter-spacing: -0.065em;
}

.bridge-title {
    margin: 0 0 18px;
    color: var(--text);
    font-size: clamp(1.12rem, 2vw, 1.42rem);
    line-height: 1.32;
    font-weight: 820;
    letter-spacing: -0.02em;
}

.wp-name {
    margin: 0 0 18px;
    padding: 14px 16px;
    border-left: 3px solid var(--accent);
    border-radius: 14px;
    color: var(--text);
    background: rgba(6, 26, 32, 0.38);
    font-weight: 850;
}

.bridge-card p:not(.bridge-title):not(.wp-name) {
    color: var(--muted);
}

.scope-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.scope-list p {
    margin: 0;
    min-height: 100%;
    padding: 14px 16px 14px 42px;
    border: 1px solid rgba(201, 252, 239, 0.14);
    border-radius: 18px;
    background: rgba(255,255,255,0.055);
    color: var(--muted);
    position: relative;
}

.scope-list p::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 21px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 0 4px rgba(110, 240, 211, 0.08);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.panel-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.105), rgba(255,255,255,0.045));
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    min-height: 100%;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.panel-card:hover {
    transform: translateY(-5px);
    border-color: rgba(110, 240, 211, 0.42);
    background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.055));
}

.panel-card::after {
    content: "";
    position: absolute;
    inset: auto 18px 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(110, 240, 211, 0.45), transparent);
}

.card-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #08232b;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.panel-card:hover .card-media img {
    transform: scale(1.025);
}

.card-copy {
    padding: 22px 22px 24px;
}

.card-heading {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 12px;
    margin-bottom: 14px;
}

.card-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    color: #052027;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    font-weight: 900;
    font-size: 0.9rem;
    letter-spacing: -0.02em;
}

.card-heading h2 {
    margin: 0;
    font-size: clamp(1.36rem, 2vw, 1.86rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.card-lang p {
    margin: 0 0 12px;
    color: var(--muted);
}

.card-lang p:last-child {
    margin-bottom: 0;
}

.tagline,
.strong-line {
    color: var(--text) !important;
    font-weight: 850;
    letter-spacing: -0.01em;
}

.tagline {
    font-size: 1.08rem;
}

.strong-line {
    color: var(--accent) !important;
}

.project-name {
    color: var(--text) !important;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 900;
    letter-spacing: -0.045em;
}

.mini-list {
    display: grid;
    gap: 10px;
}

.mini-list > div {
    padding: 12px;
    border: 1px solid rgba(201, 252, 239, 0.13);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.052);
}

.mini-list b,
.mini-list span {
    display: block;
}

.mini-list b {
    color: var(--text);
    margin-bottom: 4px;
}

.mini-list span {
    color: var(--muted);
}

.mini-list.three > div:nth-child(1) b { color: var(--accent-2); }
.mini-list.three > div:nth-child(2) b { color: var(--accent-3); }
.mini-list.three > div:nth-child(3) b { color: var(--accent); }

.sequence > div {
    position: relative;
    padding-left: 42px;
}

.sequence > div::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 17px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(110, 240, 211, 0.12);
}

.manifesto-card {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: stretch;
}

.manifesto-card .card-media {
    min-height: 460px;
    aspect-ratio: auto;
}

.manifesto-card .card-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(28px, 4vw, 52px);
}

.manifesto-card .card-heading h2 {
    font-size: clamp(2rem, 4vw, 4rem);
}

.manifesto-lines p {
    font-size: clamp(1.08rem, 1.7vw, 1.35rem);
}

.site-footer {
    padding: 10px 24px 42px;
    color: var(--soft);
    font-size: 0.95rem;
}

.site-footer p {
    margin: 0;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}

@media (max-width: 1080px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        transform: none;
        max-width: 760px;
    }

    .intro-block {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .project-bridge {
        grid-template-columns: 1fr;
    }

    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .manifesto-card {
        grid-template-columns: 1fr;
    }

    .manifesto-card .card-media {
        min-height: 340px;
        aspect-ratio: 16 / 8;
    }
}

@media (max-width: 720px) {
    .hero {
        padding: 18px 14px 64px;
    }

    .topbar {
        align-items: flex-start;
    }

    .language-switch {
        justify-content: flex-start;
        border-radius: 22px;
    }

    .language-switch button {
        padding: 8px 10px;
        font-size: 0.76rem;
    }

    .brand span {
        max-width: 145px;
        line-height: 1.1;
    }

    .hero-inner {
        padding-top: 48px;
        gap: 32px;
    }

    h1 {
        font-size: clamp(3.7rem, 16vw, 5.2rem);
    }

    .hero-badges > span {
        font-size: 0.86rem;
    }

    .page-content {
        padding-left: 14px;
        padding-right: 14px;
    }

    .scope-list {
        grid-template-columns: 1fr;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .panel-card {
        border-radius: 23px;
    }

    .card-copy {
        padding: 20px;
    }

    .card-heading {
        grid-template-columns: 1fr;
    }

    .card-number {
        width: 38px;
        height: 38px;
        border-radius: 13px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}