:root {
    --bg: #f3f7f6;
    --surface: rgba(255, 255, 255, 0.9);
    --text: #20303a;
    --muted: #5d6d75;
    --line: rgba(32, 48, 58, 0.1);
    --brand: #0f8b8d;
    --brand-deep: #0c6d6f;
    --shadow: 0 20px 60px rgba(17, 40, 52, 0.08);
    --radius-lg: 28px;
    --radius-md: 18px;
    --content-width: 1120px;
    --reading-width: 820px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(15, 139, 141, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(223, 243, 241, 0.9), transparent 24%),
        linear-gradient(180deg, #fbfdfd 0%, var(--bg) 100%);
    color: var(--text);
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

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

.site-shell {
    width: min(calc(100% - 32px), var(--content-width));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 0;
    backdrop-filter: blur(18px);
    background: rgba(243, 247, 246, 0.82);
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.site-header .site-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 10px 24px rgba(15, 139, 141, 0.18);
}

.brand-copy strong,
.brand-copy span,
.page-links strong,
.page-links span {
    display: block;
}

.brand-copy strong {
    font-size: 1rem;
    letter-spacing: 0.04em;
}

.brand-copy span,
.page-links span,
.section-intro {
    color: var(--muted);
}

.brand-copy span,
.page-links span {
    font-size: 0.88rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.site-nav a {
    padding: 10px 16px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    background: rgba(15, 139, 141, 0.12);
    color: var(--brand-deep);
    transform: translateY(-1px);
}

.site-nav a[aria-current="page"] {
    background: var(--text);
    color: #ffffff;
}

main {
    padding: 40px 0 72px;
}

.hero-panel,
.content-card,
.cta-panel,
.page-links,
.inline-callout {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow);
}

.hero-panel {
    border-radius: var(--radius-lg);
    padding: 40px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    gap: 28px;
    align-items: center;
}

.page-hero {
    width: min(100%, var(--reading-width));
    margin: 0 auto 28px;
    text-align: center;
}

.hero-art {
    justify-self: center;
    width: min(100%, 360px);
    padding: 20px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(223, 243, 241, 0.92));
    border: 1px solid rgba(15, 139, 141, 0.12);
}

.page-hero .hero-art {
    margin: 0 auto 24px;
    width: min(100%, 280px);
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--brand-deep);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-panel h1,
.page-hero h1 {
    margin: 0 0 14px;
    font-size: clamp(2.3rem, 4vw, 4.2rem);
    line-height: 1.05;
}

.page-hero h1 {
    font-size: clamp(2rem, 3.4vw, 3.1rem);
}

.hero-panel p,
.page-hero p {
    margin: 0;
    font-size: 1.08rem;
    color: var(--muted);
}

.hero-actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    border: 1px solid transparent;
    background: var(--brand);
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
button:hover,
.button:focus-visible,
button:focus-visible {
    background: var(--brand-deep);
    transform: translateY(-1px);
}

.button.secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--line);
}

.button.secondary:hover,
.button.secondary:focus-visible {
    background: rgba(15, 139, 141, 0.08);
    border-color: rgba(15, 139, 141, 0.2);
}

.section-block {
    margin-top: 28px;
}

.policy-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}

.content-card,
.cta-panel {
    border-radius: var(--radius-lg);
    padding: 32px;
}

.content-stack {
    width: min(100%, var(--reading-width));
    margin: 0 auto;
}

.feature-card {
    height: 100%;
    padding: 28px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 251, 250, 0.96));
    border: 1px solid rgba(15, 139, 141, 0.08);
}

.feature-card h2,
.content-card h2 {
    margin: 0 0 14px;
    font-size: 1.45rem;
    color: var(--brand-deep);
}

.feature-card h3,
.content-card h3 {
    margin: 22px 0 10px;
    font-size: 1.08rem;
}

.feature-card p,
.content-card p,
.content-card li {
    color: #34454d;
}

.content-card ul {
    padding-left: 20px;
    margin: 14px 0 0;
}

.content-card li + li {
    margin-top: 10px;
}

.inline-callout {
    margin: 24px 0;
    padding: 20px 22px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--brand);
    background: linear-gradient(180deg, rgba(15, 139, 141, 0.08), rgba(223, 243, 241, 0.5));
}

.timeline-item,
.flow-step {
    margin-top: 18px;
    padding-left: 18px;
    border-left: 3px solid rgba(15, 139, 141, 0.35);
}

.phase-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 0 0 10px;
    font-size: 1.3rem;
}

.phase-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--brand);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.phase-tag.planned {
    background: #6e7b81;
}

.phase-tag.secret {
    background: #24333d;
}

.form-panel {
    margin-top: 18px;
}

form {
    display: grid;
    gap: 12px;
}

input[type="email"] {
    width: 100%;
    min-height: 52px;
    padding: 0 18px;
    border-radius: 16px;
    border: 1px solid rgba(32, 48, 58, 0.12);
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.page-links {
    width: min(100%, var(--reading-width));
    margin: 24px auto 0;
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
}

.page-links a {
    flex: 1 1 220px;
    text-decoration: none;
    color: var(--text);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(15, 139, 141, 0.08);
}

.site-footer {
    padding: 0 0 44px;
}

.site-footer .site-shell {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px 24px;
    color: var(--muted);
    font-size: 0.92rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links a {
    text-decoration: none;
}

#success-message {
    display: none;
    margin-top: 16px;
    color: var(--brand-deep);
    font-weight: 700;
}

@media (max-width: 860px) {
    .site-header .site-shell {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .site-nav {
        width: 100%;
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .site-nav::-webkit-scrollbar {
        display: none;
    }

    .site-nav a {
        flex: 0 0 auto;
    }

    .hero-panel {
        grid-template-columns: 1fr;
        padding: 28px;
    }

    .content-card,
    .cta-panel,
    .page-links {
        padding: 24px;
    }
}

@media (max-width: 540px) {
    .site-shell {
        width: min(calc(100% - 20px), var(--content-width));
    }

    .site-header {
        padding: 10px 0 8px;
    }

    .brand-lockup {
        gap: 10px;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .brand-copy span {
        display: none;
    }

    .site-nav {
        gap: 6px;
    }

    .site-nav a {
        width: auto;
        padding: 8px 14px;
        font-size: 0.92rem;
    }

    main {
        padding: 24px 0 56px;
    }

    .button,
    button {
        width: 100%;
    }

    .hero-actions,
    .button-row {
        flex-direction: column;
    }
}
