:root {
    --olive: #747652;
    --olive-dark: #4d5038;
    --cream: #f5f1e7;
    --paper: #fffdf8;
    --ink: #25271f;
    --muted: #68695f;
    --line: #d9d5c8;
    --dark: #252720;
    --accent: #a49b69;

    --max-width: 1180px;
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--cream);
    color: var(--ink);
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.6;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(37, 39, 32, 0.97);
    color: white;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-inner {
    max-width: var(--max-width);
    margin: auto;
    padding: 16px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.brand-subtitle {
    margin-top: 5px;
    font-size: 0.8rem;
    opacity: 0.65;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 22px;
    font-size: 0.9rem;
}

.main-nav a {
    opacity: 0.8;
}

.main-nav a:hover {
    opacity: 1;
}

.hero {
    min-height: 650px;

    display: flex;
    align-items: center;

    background:
        linear-gradient(
            90deg,
            rgba(38,40,31,0.9),
            rgba(38,40,31,0.55),
            rgba(38,40,31,0.2)
        ),
        linear-gradient(
            135deg,
            var(--olive-dark),
            var(--olive)
        );

    color: white;
}

.hero-content {
    width: min(var(--max-width), 100%);
    margin: auto;
    padding: 90px 24px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero .eyebrow {
    color: #d6cf9c;
}

.hero h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.hero-text {
    max-width: 620px;
    margin: 30px 0;
    font-size: 1.25rem;
    color: rgba(255,255,255,0.84);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: 700;
    transition: 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background: white;
    color: var(--ink);
}

.button-secondary {
    border: 1px solid rgba(255,255,255,0.5);
    color: white;
}

.button-small {
    padding: 9px 15px;
    background: var(--dark);
    color: white;
    font-size: 0.88rem;
}

.section {
    padding: 90px 24px;
}

.section-inner {
    max-width: var(--max-width);
    margin: auto;
}

.section-narrow {
    max-width: 800px;
    margin: auto;
}

.section h2 {
    margin: 0 0 25px;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.lead {
    font-size: 1.3rem;
    color: var(--muted);
}

.section-dark {
    background: var(--dark);
    color: white;
}

.section-dark .eyebrow {
    color: #c7bf86;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 45px;
}

.section-introduction {
    max-width: 480px;
    color: var(--muted);
}

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

.feature-card {
    padding: 30px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
}

.feature-icon {
    margin-bottom: 25px;
    font-size: 1.4rem;
    color: #d0c889;
}

.feature-card h3 {
    font-size: 1.4rem;
}

.feature-card p {
    color: rgba(255,255,255,0.68);
}

.text-link {
    color: #d8d19a;
    font-weight: 700;
}

.live-badge {
    padding: 7px 12px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 30px;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
}

.proposal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.proposal-card {
    display: flex;
    min-height: 270px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.proposal-number {
    min-width: 90px;
    padding: 25px;
    background: var(--olive);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
}

.proposal-content {
    padding: 30px;
}

.proposal-content h3 {
    margin: 12px 0;
    font-size: 2rem;
}

.proposal-content p {
    color: var(--muted);
}

.status {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.status-development {
    background: #e5e1c8;
    color: #575535;
}

.status-future {
    background: #e7e5df;
    color: #66655e;
}

.proposal-card-future {
    opacity: 0.8;
}

.section-accent {
    background: var(--olive);
    color: white;
}

.section-accent .eyebrow {
    color: #e3dda9;
}

.section-accent .lead {
    color: rgba(255,255,255,0.8);
}

.involvement-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 35px 0;
}

.involvement-list span {
    padding: 8px 13px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 30px;
    font-size: 0.9rem;
}

.history-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.history-placeholder {
    min-height: 350px;
    padding: 40px;

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    background:
        linear-gradient(
            135deg,
            #77795b,
            #34362c
        );

    color: white;
    border-radius: var(--radius);
}

.history-placeholder span {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    opacity: 0.7;
}

.history-placeholder strong {
    margin-top: 10px;
    font-size: 2rem;
}

.site-footer {
    padding: 50px 24px 25px;
    background: #1c1e19;
    color: white;
}

.footer-inner {
    max-width: var(--max-width);
    margin: auto;

    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.footer-inner p {
    margin: 8px 0 0;
    color: rgba(255,255,255,0.5);
}

.footer-links {
    display: flex;
    gap: 20px;
    color: rgba(255,255,255,0.7);
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 40px auto 0;
    padding-top: 20px;

    display: flex;
    justify-content: space-between;
    gap: 20px;

    border-top: 1px solid rgba(255,255,255,0.12);

    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
}


.proposal-hero {
    padding: 90px 24px 60px;
    background: var(--olive-dark);
    color: white;
}

.proposal-hero h1 {
    margin: 12px 0;
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 1;
}

.proposal-lead {
    max-width: 760px;
    font-size: 1.3rem;
    color: rgba(255,255,255,0.8);
}

.proposal-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: 50px;
    align-items: start;
}

.proposal-section {
    margin-bottom: 70px;
}

.proposal-section h2 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.principle-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.principle-card,
.sidebar-card,
.document-box {
    padding: 24px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.principle-card p,
.sidebar-card p,
.document-box p {
    color: var(--muted);
}

.diagram-block {
    margin: 30px 0;
    padding: 25px;
    overflow-x: auto;
    background: var(--dark);
    color: white;
    border-radius: var(--radius);
}

.diagram-block pre {
    margin: 0;
    font-family: monospace;
    line-height: 1.5;
}

.proposal-warning {
    padding: 30px;
    background: #ece7d2;
    border-left: 5px solid var(--olive);
    border-radius: var(--radius);
}

.proposal-sidebar {
    position: sticky;
    top: 120px;
}

.sidebar-card {
    margin-bottom: 20px;
}

.sidebar-card ul {
    padding-left: 20px;
}

.document-box {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
}

.document-status {
    white-space: nowrap;
    padding: 7px 10px;
    background: #e7e5df;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
}

@media (max-width: 800px) {

    .proposal-layout,
    .principle-grid {
        grid-template-columns: 1fr;
    }

    .proposal-sidebar {
        position: static;
    }

    .document-box {
        align-items: flex-start;
        flex-direction: column;
    }

}

/* MOBILE */

@media (max-width: 800px) {

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        justify-content: flex-start;
        gap: 12px 18px;
    }

    .hero {
        min-height: 580px;
    }

    .feature-grid,
    .proposal-grid,
    .history-grid {
        grid-template-columns: 1fr;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-inner,
    .footer-bottom {
        flex-direction: column;
    }

}