/* =========================================================
   PRESSUMED — design system
   Subject: a physician's corrective guide to blood-pressure
   measurement. Signature idea: the page reads like an actual
   chart strip — a reading, annotated in the margin, not a
   stock-photo health-blog template.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
    --paper: #EAEBDF;
    --paper-card: #F7F6EE;
    --ink: #1B2B29;
    --ink-soft: #4B5B57;
    --ink-faint: #7C8A85;
    --cuff: #8A3324;
    --cuff-dark: #6E2819;
    --sage: #4F6353;
    --sage-tint: #DEE4D5;
    --hairline: #C7BFAC;
    --hairline-strong: #A79E88;
    --shadow: 0 12px 32px rgba(27, 43, 41, 0.10);

    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.65;
    overflow-x: hidden;
    font-size: 17px;
}

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

:focus-visible {
    outline: 2px solid var(--cuff);
    outline-offset: 3px;
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 28px;
}

.container--narrow {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ---------- Top bar: sponsorship + wordmark ---------- */

.topbar {
    background: var(--ink);
    color: #EDE7D8;
}

.topbar-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 44px;
}

.topbar-badge {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #E7A088;
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #E7A088;
    display: inline-block;
}

.topbar-brand {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #EDE7D8;
    text-decoration: none;
}

/* ---------- Site nav (secondary pages) ---------- */

.site-header {
    border-bottom: 1px solid var(--hairline);
    background: var(--paper);
}

.site-header-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.site-header .wordmark {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    text-decoration: none;
    color: var(--ink);
}

.site-header nav a {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-soft);
    text-decoration: none;
    margin-left: 24px;
}

.site-header nav a:hover { color: var(--cuff); }

/* ---------- Hero ---------- */

.hero {
    padding: 64px 0 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: start;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 18px;
    display: block;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 46px;
    line-height: 1.12;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 17px;
    font-style: italic;
    color: var(--ink-soft);
    margin-bottom: 18px;
    padding-left: 16px;
    border-left: 2px solid var(--hairline-strong);
}

.hero-description {
    font-size: 17px;
    color: var(--ink-soft);
    max-width: 46ch;
    margin-bottom: 32px;
}

.hero-description em { color: var(--ink); font-style: normal; font-weight: 500; }

.hero-cta { margin-bottom: 8px; }

.cta-note {
    font-size: 13px;
    color: var(--ink-faint);
    margin-top: 10px;
    font-family: var(--font-mono);
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 28px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border-radius: 3px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
    background: var(--cuff);
    color: #FBF3EC;
}
.btn-primary:hover { background: var(--cuff-dark); transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-secondary {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
}
.btn-secondary:hover { border-color: var(--cuff); color: var(--cuff); }

/* ---------- Reading panel (signature element) ---------- */

.reading-panel {
    background: var(--paper-card);
    border: 1px solid var(--hairline);
    border-radius: 4px;
    padding: 28px 28px 22px;
    box-shadow: var(--shadow);
}

.reading-panel-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-faint);
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.reading-trace {
    width: 100%;
    height: 64px;
    display: block;
}

.reading-trace path {
    fill: none;
    stroke: var(--cuff);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 340;
    stroke-dashoffset: 340;
    animation: draw-trace 1.6s ease-out 0.2s forwards;
}

@media (prefers-reduced-motion: reduce) {
    .reading-trace path { animation: none; stroke-dashoffset: 0; }
}

@keyframes draw-trace {
    to { stroke-dashoffset: 0; }
}

.reading-numbers {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 8px;
}

.reading-numbers .sys { font-size: 52px; }
.reading-numbers .dia { font-size: 30px; color: var(--ink-faint); }
.reading-numbers .unit { font-size: 13px; color: var(--ink-faint); align-self: flex-end; margin-bottom: 6px; }

.reading-annotation {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--hairline-strong);
    font-size: 14px;
    color: var(--ink-soft);
}

.reading-annotation strong { color: var(--cuff); font-weight: 600; }

/* ---------- Sections ---------- */

.section { padding: 72px 0; }
.section-alternate { background: var(--paper-card); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

.section-header { max-width: 640px; margin-bottom: 44px; }

.section-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.section-description {
    color: var(--ink-soft);
    font-size: 16px;
    max-width: 62ch;
}

/* ---------- Margin-note list (replaces icon-card grid) ---------- */

.note-list { border-top: 1px solid var(--hairline); }

.note-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    padding: 26px 0;
    border-bottom: 1px solid var(--hairline);
}

.note-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sage);
    padding-top: 3px;
}

.note-body h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink);
}

.note-body p { color: var(--ink-soft); font-size: 15.5px; }

.disclaimer-box {
    margin-top: 28px;
    padding: 18px 22px;
    background: var(--paper);
    border-left: 3px solid var(--sage);
    font-size: 14px;
    color: var(--ink-soft);
    border-radius: 0 3px 3px 0;
}

/* ---------- Author byline ---------- */

.byline {
    background: var(--ink);
    color: #EDE7D8;
}

.byline-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 40px 0;
}

.byline img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    flex-shrink: 0;
}

.byline h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
}

.byline p {
    font-size: 15px;
    color: #C9C2AF;
    max-width: 62ch;
}

.byline .cred {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #E7A088;
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 4px;
}

/* ---------- FAQ ---------- */

.faq-list { border-top: 1px solid var(--hairline); max-width: 720px; }

.faq-item {
    padding: 22px 0;
    border-bottom: 1px solid var(--hairline);
}

.faq-question {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ink);
}

.faq-answer { color: var(--ink-soft); font-size: 15.5px; }

/* ---------- CTA band ---------- */

.cta-band {
    padding: 64px 0;
    text-align: center;
}

.cta-band .section-title { margin: 0 auto 12px; }
.cta-band .section-description { margin: 0 auto 30px; }

/* ---------- Health disclaimers block ---------- */

.disclaimer-section {
    background: var(--paper-card);
    border: 1px solid var(--hairline);
    border-radius: 4px;
    padding: 36px;
}

.age-restriction {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--cuff);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 20px;
}

.disclaimer-section h3 {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 22px;
    color: var(--ink);
}

.warning-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline);
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.7;
}
.warning-item:last-of-type { border-bottom: none; }
.warning-item strong { color: var(--ink); }

.link-full-disclaimer {
    display: inline-block;
    margin-top: 24px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--cuff);
    text-decoration: none;
    letter-spacing: 0.03em;
}
.link-full-disclaimer:hover { text-decoration: underline; }

/* ---------- Footer ---------- */

footer { background: var(--ink); color: #C9C2AF; padding: 56px 0 32px; }

.legal-licensing-block {
    padding-bottom: 28px;
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(237,231,216,0.15);
    font-size: 14px;
    line-height: 1.8;
}

.legal-licensing-block h3 {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #E7A088;
    margin-bottom: 14px;
}

.legal-licensing-block p { color: #C9C2AF; }
.legal-licensing-block strong { color: #EDE7D8; }

.vat-highlight {
    font-family: var(--font-mono);
    background: rgba(237,231,216,0.08);
    padding: 2px 8px;
    border-radius: 2px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding-bottom: 28px;
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(237,231,216,0.15);
}

.footer-section h3 {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #E7A088;
    margin-bottom: 14px;
}

.footer-section a, .footer-section p {
    display: block;
    font-size: 14px;
    color: #C9C2AF;
    text-decoration: none;
    margin-bottom: 10px;
}
.footer-section a:hover { color: #EDE7D8; }

.footer-disclosure {
    font-size: 13px;
    color: #9A9384;
    line-height: 1.8;
}

.footer-disclosure strong { color: #C9C2AF; }

.footer-copyright {
    margin-top: 24px;
    font-size: 13px;
    color: #7C8A85;
}

/* ---------- Generic legal-page prose (privacy/terms/legal/disclaimer/contact) ---------- */

.legal-page { padding: 56px 0 80px; }

.legal-page .page-title {
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
}

.legal-page .page-subtitle {
    color: var(--ink-soft);
    font-size: 16px;
    max-width: 62ch;
    margin-bottom: 40px;
}

.legal-page .back-link {
    display: inline-block;
    margin-bottom: 28px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--sage);
    text-decoration: none;
}
.legal-page .back-link:hover { color: var(--cuff); }

.legal-page h2 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 40px 0 14px;
}

.legal-page h2:first-of-type { margin-top: 0; }

.legal-page p, .legal-page li {
    color: var(--ink-soft);
    font-size: 15.5px;
    margin-bottom: 14px;
    max-width: 68ch;
}

.legal-page ul { padding-left: 22px; margin-bottom: 14px; }
.legal-page strong { color: var(--ink); }

.legal-page .box {
    background: var(--paper-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--cuff);
    border-radius: 0 4px 4px 0;
    padding: 20px 24px;
    margin: 20px 0;
}

/* ---------- Contact form ---------- */

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.field { margin-bottom: 20px; }
.field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin-bottom: 8px;
}
.field input, .field select, .field textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--ink);
    background: var(--paper-card);
    border: 1px solid var(--hairline-strong);
    border-radius: 3px;
}
.field textarea { resize: vertical; min-height: 120px; }

.info-card {
    background: var(--paper-card);
    border: 1px solid var(--hairline);
    border-radius: 4px;
    padding: 22px 24px;
    margin-bottom: 20px;
}
.info-card h3 { font-family: var(--font-display); font-size: 17px; margin-bottom: 8px; }
.info-card p, .info-card a { color: var(--ink-soft); font-size: 14.5px; text-decoration: none; }
.info-card a { color: var(--cuff); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .note-row { grid-template-columns: 1fr; gap: 6px; }
    .hero-title { font-size: 34px; }
    .section-title { font-size: 26px; }
    .section { padding: 52px 0; }
}

@media (max-width: 560px) {
    .topbar-inner { height: auto; flex-direction: column; padding: 10px 20px; gap: 4px; }
    .byline-inner { flex-direction: column; align-items: flex-start; text-align: left; }
    .disclaimer-section { padding: 24px 20px; }
}