:root {
    --paper: #fbfcf8;
    --paper-soft: #f2f6f1;
    --ink: #172725;
    --ink-soft: #4f605c;
    --line: #d9e4df;
    --sea: #16889a;
    --sea-dark: #0b6170;
    --leaf: #4f7a5d;
    --coral: #a94d34;
    --gold: #7a5a12;
    --violet: #51478c;
    --white: #ffffff;
    --shadow: 0 22px 80px rgba(28, 48, 44, 0.12);
    --max: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(251, 252, 248, 0.96)),
        linear-gradient(135deg, #edf7f6 0%, #fbfcf8 42%, #f7eee6 100%);
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(23, 39, 37, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 39, 37, 0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), transparent 60%);
}

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

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -120px;
    z-index: 10;
    padding: 10px 14px;
    color: var(--white);
    background: var(--ink);
    border-radius: 6px;
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 14px max(16px, calc((100vw - var(--max)) / 2));
    background: var(--paper);
    border-bottom: 1px solid rgba(23, 39, 37, 0.06);
    box-shadow: 0 10px 26px rgba(23, 39, 37, 0.08);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 760;
    text-decoration: none;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    color: var(--white);
    background: linear-gradient(135deg, var(--sea), var(--leaf));
    border-radius: 8px;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    max-width: 100%;
    min-width: 0;
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.site-nav a,
.site-footer a,
.document-links a,
.text-link {
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}

.site-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 6px;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.64);
    outline: none;
}

.section {
    width: calc(100% - 32px);
    max-width: var(--max);
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.62fr);
    align-items: center;
    gap: clamp(32px, 6vw, 76px);
    min-height: calc(82vh - 84px);
    padding: 58px 0 72px;
}

.hero-copy {
    max-width: 690px;
    min-width: 0;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--sea-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
    overflow-wrap: break-word;
}

h1 {
    max-width: 780px;
    margin-bottom: 22px;
    font-size: clamp(3rem, 8vw, 6.35rem);
    line-height: 0.96;
    letter-spacing: 0;
}

.hero h1 {
    max-width: 680px;
    font-size: clamp(3.2rem, 7vw, 5.4rem);
    line-height: 1;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    line-height: 1.02;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    line-height: 1.22;
}

.lede {
    max-width: 650px;
    margin-bottom: 32px;
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-actions,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    max-width: 100%;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 740;
    line-height: 1.2;
    text-decoration: none;
}

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

.button.primary:hover,
.button.primary:focus-visible {
    background: var(--sea-dark);
    border-color: var(--sea-dark);
    outline: none;
}

.button.quiet {
    color: var(--sea-dark);
    background: rgba(255, 255, 255, 0.66);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    color: var(--sea-dark);
    background: rgba(22, 136, 154, 0.08);
    border: 1px solid rgba(22, 136, 154, 0.2);
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 780;
    line-height: 1.2;
}

.hero-panel {
    justify-self: end;
    width: min(100%, 380px);
    padding: 26px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(23, 39, 37, 0.1);
    border-radius: 8px;
    box-shadow: 0 18px 58px rgba(28, 48, 44, 0.08);
}

.hero-panel-list {
    display: grid;
    gap: 22px;
}

.hero-panel-list strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.15rem;
    line-height: 1.2;
}

.hero-panel-list p {
    margin-bottom: 0;
    color: var(--ink-soft);
}

.mission,
.featured-app,
.future,
.articles-preview,
.contact-band {
    padding: clamp(54px, 9vw, 96px) 0;
    border-top: 1px solid rgba(23, 39, 37, 0.12);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 30px;
}

.principles,
.future-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.principles article,
.future-grid article,
.app-status {
    min-width: 0;
    padding: 22px;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(23, 39, 37, 0.1);
    border-radius: 8px;
    box-shadow: 0 12px 36px rgba(28, 48, 44, 0.06);
}

.principle-index,
.topic {
    display: inline-block;
    margin-bottom: 18px;
    font-size: 0.74rem;
    font-weight: 850;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.principle-index {
    color: var(--gold);
}

.principles p,
.future-grid p,
.app-status p,
.article-copy p {
    min-width: 0;
    color: var(--ink-soft);
}

.featured-app {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.32fr) minmax(250px, 0.4fr);
    gap: clamp(22px, 4vw, 36px);
    align-items: center;
}

.app-copy {
    max-width: 720px;
    min-width: 0;
}

.app-preview {
    justify-self: center;
    width: min(100%, 220px);
}

.app-preview img {
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.check-list {
    display: grid;
    gap: 8px;
    margin: 22px 0 28px;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
}

.check-list li::before {
    content: "";
    position: absolute;
    top: 0.72em;
    left: 0;
    width: 14px;
    height: 2px;
    background: var(--sea);
    transform: rotate(-35deg);
}

.proof-points {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: -8px 0 28px;
}

.proof-points span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    color: var(--ink);
    background: rgba(226, 242, 241, 0.9);
    border: 1px solid rgba(13, 96, 112, 0.12);
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 740;
}

.store-note {
    color: var(--ink-soft);
}

.status-label {
    margin-bottom: 6px;
    color: var(--sea-dark);
    font-size: 0.78rem;
    font-weight: 820;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.status-value {
    margin-bottom: 10px;
    color: var(--ink);
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.2;
}

.document-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.topic.hydration {
    color: var(--sea-dark);
}

.topic.cycle {
    color: var(--violet);
}

.topic.nutrition {
    color: var(--coral);
}

.topic.habits {
    color: var(--leaf);
}

.future {
    background: rgba(255, 255, 255, 0.36);
}

.future-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.future-grid article {
    padding: 0 18px 0 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.future-intro {
    max-width: 760px;
    margin: -12px 0 30px;
    color: var(--ink-soft);
}

.articles-preview,
.contact-band {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1fr);
    gap: 32px;
    align-items: center;
}

.text-link {
    color: var(--sea-dark);
    font-weight: 780;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: calc(100% - 32px);
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px 0 42px;
    color: var(--ink-soft);
    font-size: 0.92rem;
    border-top: 1px solid rgba(23, 39, 37, 0.12);
}

.site-footer p {
    margin: 0;
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px 16px;
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr);
    align-items: center;
    gap: clamp(32px, 6vw, 72px);
    padding: 72px 0 86px;
}

.page-hero h1 {
    font-size: clamp(2.75rem, 7vw, 5.6rem);
}

.app-page-visual img {
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.app-page-visual {
    justify-self: end;
    width: min(100%, 320px);
}

.detail-grid,
.topic-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.detail-grid article,
.topic-list article,
.note-panel {
    padding: 24px;
    border: 1px solid rgba(23, 39, 37, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.72);
}

.note-panel {
    margin-top: 24px;
}

.legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin-top: 20px;
}

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-list div {
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(23, 39, 37, 0.12);
}

.article-status {
    max-width: 780px;
    min-width: 0;
}

@media (max-width: 900px) {
    .site-header,
    .site-footer,
    .articles-preview,
    .contact-band {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header {
        position: static;
        gap: 14px;
        padding: 14px 16px;
    }

    .site-nav {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .hero,
    .featured-app,
    .page-hero,
    .articles-preview,
    .contact-band {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 36px;
    }

    .hero-panel,
    .app-preview,
    .app-page-visual {
        justify-self: start;
        width: min(100%, 300px);
    }

    .principles,
    .future-grid,
    .detail-grid,
    .topic-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .section,
    .site-footer {
        width: calc(100vw - 24px);
        max-width: var(--max);
    }

    .hero-copy,
    .app-copy,
    .article-status,
    .section-heading,
    .lede,
    .hero-actions,
    .inline-actions {
        max-width: calc(100vw - 24px);
    }

    .hero {
        gap: 24px;
        padding: 26px 0 42px;
    }

    .page-hero {
        gap: 16px;
        padding: 34px 0 28px;
    }

    h1 {
        max-width: 340px;
        font-size: 1.95rem;
        line-height: 1.02;
    }

    .hero h1 {
        max-width: 340px;
        font-size: 1.95rem;
        line-height: 1.02;
    }

    .lede {
        max-width: 340px;
        font-size: 1rem;
    }

    h2 {
        max-width: 350px;
        font-size: 1.78rem;
        line-height: 1.08;
    }

    .site-nav {
        gap: 4px;
        font-size: 0.9rem;
    }

    .site-nav a {
        min-height: 44px;
        padding: 8px 6px;
    }

    .button {
        width: 100%;
        max-width: 340px;
        min-height: 46px;
        padding-inline: 14px;
    }

    .status-badge {
        width: fit-content;
        max-width: 340px;
    }

    .app-preview,
    .app-page-visual {
        width: min(100%, 220px);
    }

    .hero-panel {
        width: 100%;
        padding: 20px 18px;
    }

    .hero-panel-list p {
        max-width: 28ch;
    }

    .app-preview {
        width: min(100%, 180px);
    }

    .app-page-visual {
        width: min(100%, 190px);
    }

    .hero-actions,
    .inline-actions {
        align-items: stretch;
    }

    .principles article,
    .future-grid article,
    .detail-grid article,
    .topic-list article,
    .app-status,
    .note-panel {
        width: 100%;
        max-width: 100%;
    }

    .principles article,
    .detail-grid article,
    .topic-list article,
    .app-status,
    .note-panel {
        padding: 20px 18px;
    }

    .principles p,
    .detail-grid p,
    .topic-list p,
    .app-status p,
    .article-copy p {
        max-width: 31ch;
    }
}