/* =========================================================
   Omega-3 landing page — Styles (design language adapted from StromAmpel)
   ========================================================= */

/* --- RESET --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- TOKENS -------------------------------------------- */
:root {
    --bg: #0a0a0f;
    --bg-soft: #0f0f15;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-strong: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --text: #f4f4f5;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;

    --teal: #14b8a6;
    --gold: #eab308;
    --coral: #f97316;
    --indigo: #6366f1;
    --accent: var(--teal);
    --accent-text: #5eead4;   /* readable accent for text on dark */
    --on-primary-from: #0f766e;
    --on-primary-to: #115e59;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 36px;

    --container: 1200px;
    --section-pad: clamp(4rem, 9vw, 7rem);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-glow: 0 0 80px -20px var(--accent);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #ffffff;
        --bg-soft: #fafafa;
        --surface: rgba(0, 0, 0, 0.03);
        --surface-strong: rgba(0, 0, 0, 0.05);
        --border: rgba(0, 0, 0, 0.08);
        --border-strong: rgba(0, 0, 0, 0.14);
        --text: #18181b;
        --text-muted: #52525b;
        --text-dim: #5f5f69;
        --accent-text: #0f766e;
    }
}

/* --- BASE ---------------------------------------------- */
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.55;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at top, rgba(20, 184, 166, 0.05), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(234, 179, 8, 0.04), transparent 50%);
    background-attachment: fixed;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2rem);
}

/* --- TYPE ---------------------------------------------- */
h1, h2, h3 {
    font-family: var(--font-sans);
    letter-spacing: -0.02em;
    line-height: 1.05;
    font-weight: 800;
}
h1 {
    font-size: clamp(2.5rem, 6.5vw, 4.75rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.035em;
}
h2.display {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}
h3 { font-size: 1.25rem; letter-spacing: -0.015em; }

.eyebrow {
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    margin-bottom: 1rem;
}
.eyebrow.center { text-align: center; }

.lead {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    color: var(--text-muted);
    max-width: 38em;
}
.lead.center { margin: 1rem auto 0; text-align: center; }
.lead.subtle { color: var(--text-dim); }

.center { text-align: center; }
.subtle { color: var(--text-muted); }

.grad {
    background: linear-gradient(120deg, var(--teal) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
@media (prefers-color-scheme: light) {
    .grad { background-image: linear-gradient(120deg, #0f766e 0%, #a16207 100%); }
}

.prose p + p { margin-top: 1rem; }

/* --- LEGAL (Impressum) ---------------------------------- */
.legal { max-width: 720px; }
.legal .display { margin-bottom: 2rem; }
.legal h3 { margin: 2rem 0 0.5rem; overflow-wrap: break-word; }
.legal address { font-style: normal; }
.legal address,
.legal p { color: var(--text-muted); line-height: 1.7; }
.legal a { color: var(--text); overflow-wrap: anywhere; }
.legal-source { margin-top: 2.5rem; font-size: 0.875rem; }

/* --- BUTTONS ------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease,
                box-shadow 0.18s ease, border-color 0.18s ease;
    will-change: transform;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, var(--on-primary-from), var(--on-primary-to));
    color: white;
    box-shadow: 0 10px 30px -10px rgba(20, 184, 166, 0.55),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
    box-shadow: 0 14px 36px -10px rgba(20, 184, 166, 0.7),
                inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-ghost {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}
.btn-ghost:hover {
    background: var(--surface-strong);
    border-color: var(--border-strong);
}

.btn-sm { padding: 0.55rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 0.95rem 1.6rem; font-size: 1rem; }
.btn-xl { padding: 1.15rem 2rem; font-size: 1.05rem; }

/* --- NAV ----------------------------------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 2rem;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}
.logo-mark { color: var(--accent-text); flex: none; }
.logo small {
    display: block;
    font-weight: 500;
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    color: var(--text-dim);
    line-height: 1.1;
}
.logo-text { line-height: 1.15; }

.nav-links {
    display: flex;
    gap: 1.75rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}
.nav-links a:hover { color: var(--text); }

@media (max-width: 860px) {
    .nav-links { display: none; }
}

/* --- HERO ---------------------------------------------- */
.hero {
    position: relative;
    padding: clamp(3rem, 7vw, 6rem) 0 clamp(4rem, 8vw, 7rem);
    overflow: hidden;
}
.hero-aurora {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: drift 22s ease-in-out infinite;
}
.aurora-teal {
    width: 540px; height: 540px;
    background: var(--teal);
    top: -120px; left: -120px;
    opacity: 0.32;
}
.aurora-gold {
    width: 480px; height: 480px;
    background: var(--gold);
    top: 30%; right: 10%;
    opacity: 0.16;
    animation-delay: -7s;
}
.aurora-indigo {
    width: 420px; height: 420px;
    background: var(--indigo);
    bottom: -120px; left: 35%;
    opacity: 0.16;
    animation-delay: -14s;
}
@keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(40px, -30px) scale(1.08); }
    66%      { transform: translate(-30px, 50px) scale(0.95); }
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}
@media (max-width: 880px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text .eyebrow { text-align: center; }
    .hero-cta { justify-content: center; }
    .trust { justify-content: center; }
    .lead { margin-left: auto; margin-right: auto; }
}

.hero-text h1 { margin-bottom: 1.25rem; }
.hero-text .lead { margin-bottom: 2rem; }

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    color: var(--text-dim);
    font-size: 0.875rem;
}

/* --- HERO VISUAL: ratio card --------------------------- */
.hero-visual { display: flex; justify-content: center; perspective: 1500px; }

.ratio-card {
    position: relative;
    width: min(380px, 100%);
    background: linear-gradient(160deg, color-mix(in srgb, var(--bg) 60%, #1a1a22), var(--bg));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: 0 50px 100px -30px rgba(0, 0, 0, 0.5), inset 0 0 0 2px var(--surface);
    transform: rotateY(-8deg) rotateX(4deg);
    animation: floaty 6s ease-in-out infinite;
    --state: var(--coral);
}
.ratio-card[data-state="after"] { --state: var(--teal); }
@keyframes floaty {
    0%, 100% { transform: rotateY(-8deg) rotateX(4deg) translateY(0); }
    50%      { transform: rotateY(-8deg) rotateX(4deg) translateY(-12px); }
}
.ratio-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(circle at 50% 0%, var(--state), transparent 60%);
    opacity: 0.18;
    transition: background 0.8s ease;
    pointer-events: none;
}
.ratio-tag {
    position: relative;
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.ratio-value {
    position: relative;
    font-size: clamp(3rem, 8vw, 4.25rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    margin: 1.25rem 0 0.25rem;
    color: var(--state);
    transition: color 0.5s ease, opacity 0.3s ease;
    font-variant-numeric: tabular-nums;
}
.ratio-label-text { position: relative; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; transition: opacity 0.3s ease; }
.ratio-bars { position: relative; display: grid; gap: 0.9rem; }
.bar-row { display: grid; gap: 0.3rem; font-size: 0.82rem; color: var(--text-muted); }
.bar-track { height: 10px; border-radius: 999px; background: var(--surface-strong); overflow: hidden; }
.bar-fill { display: block; height: 100%; border-radius: inherit; transition: width 1s cubic-bezier(.2,.8,.2,1); }
.bar-fill.omega6 { background: var(--coral); width: 94%; }
.bar-fill.omega3 { background: var(--teal); width: 12%; }
.ratio-card[data-state="after"] .bar-fill.omega6 { width: 62%; }
.ratio-card[data-state="after"] .bar-fill.omega3 { width: 38%; }
.ratio-note { position: relative; margin-top: 1.5rem; font-size: 0.75rem; color: var(--text-dim); font-style: italic; }


/* --- SECTIONS ------------------------------------------ */
.section {
    padding: var(--section-pad) 0;
    position: relative;
}
.section-head {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.intro .display { margin-bottom: 1.5rem; }
.intro .prose {
    max-width: 38em;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.075rem;
    line-height: 1.7;
}
.intro .prose strong { color: var(--accent-text); font-weight: 600; }

/* --- FEATURES GRID ------------------------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}
.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
}
.feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, var(--accent), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.feature:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
    background: var(--surface-strong);
}
.feature:hover::before { opacity: 0.07; }

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent-text);
    margin-bottom: 1.25rem;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.feature h3 { margin-bottom: 0.5rem; }
.feature p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* --- HOW IT WORKS -------------------------------------- */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    counter-reset: step;
}
.step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    position: relative;
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--on-primary-from), var(--on-primary-to));
    color: white;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
}
.step h3 { margin-bottom: 0.5rem; }
.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- PRIVACY ------------------------------------------- */
.privacy-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}
@media (max-width: 880px) {
    .privacy-card { grid-template-columns: 1fr; }
}
.privacy-text .display { margin: 0.75rem 0 1rem; }

.privacy-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.privacy-list li {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.privacy-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-text);
    font-weight: 700;
    font-size: 1.1rem;
}
.privacy-list strong {
    color: var(--text);
    display: block;
    font-weight: 600;
}
.privacy-list a {
    color: var(--accent-text);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

/* --- CTA ----------------------------------------------- */
.cta {
    text-align: center;
    overflow: hidden;
    position: relative;
}
.cta-aurora {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(20, 184, 166, 0.18), transparent 60%);
    pointer-events: none;
}
.cta-inner {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}
.cta .lead { margin: 0 auto; }
.cta-meta {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* --- FOOTER -------------------------------------------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    color: var(--text-dim);
    font-size: 0.85rem;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text);
    font-weight: 600;
}
.footer-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.footer-meta a { color: var(--text-muted); }
.footer-meta a:hover { color: var(--text); }

/* --- REVEAL ANIMATIONS --------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.features-grid .reveal:nth-child(2)  { transition-delay: 0.05s; }
.features-grid .reveal:nth-child(3)  { transition-delay: 0.1s;  }
.features-grid .reveal:nth-child(4)  { transition-delay: 0.15s; }
.features-grid .reveal:nth-child(5)  { transition-delay: 0.2s;  }
.features-grid .reveal:nth-child(6)  { transition-delay: 0.25s; }
.steps .reveal:nth-child(4) { transition-delay: 0.3s; }
.steps .reveal:nth-child(2) { transition-delay: 0.1s; }
.steps .reveal:nth-child(3) { transition-delay: 0.2s; }

/* --- ACCESSIBILITY ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}

:focus-visible {
    outline: 2px solid var(--accent-text);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background: color-mix(in srgb, var(--teal) 35%, transparent);
    color: var(--text);
}


/* =========================================================
   Page-specific components
   ========================================================= */
.skip-link {
    position: absolute; left: 1rem; top: -4rem; z-index: 200;
    background: var(--bg); color: var(--text); padding: 0.6rem 1rem;
    border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
}
.skip-link:focus { top: 0.75rem; }

.partner-bar {
    background: var(--surface-strong);
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    padding: 0.5rem 0;
}

.nav .btn { white-space: nowrap; }
@media (max-width: 420px) { .logo small { display: none; } }

.hero-fineprint { margin-top: 1.25rem; font-size: 0.8rem; color: var(--text-dim); max-width: 38em; }

/* ratio explainer */
.ratio-compare {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}
.ratio-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}
.ratio-box .big {
    display: block;
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.ratio-box p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.4rem; }
.ratio-box.warn .big { color: var(--coral); }
.ratio-box.good .big { color: var(--accent-text); }
.ratio-box.mid .big { color: var(--gold); }
@media (prefers-color-scheme: light) {
    .ratio-box.warn .big { color: #c2410c; }
    .ratio-box.mid .big { color: #a16207; }
}
.source-note { margin-top: 1.5rem; text-align: center; font-size: 0.82rem; color: var(--text-dim); }

/* pillars (feature grid variant) */
.feature .tag {
    display: inline-block; margin-top: 1rem; font-size: 0.78rem; font-weight: 600;
    padding: 0.2rem 0.65rem; border-radius: 999px;
    background: var(--surface-strong); border: 1px solid var(--border); color: var(--text-muted);
}
.feature .facts { margin-top: 1rem; display: grid; gap: 0.45rem; font-size: 0.9rem; color: var(--text-muted); }
.feature .facts li { padding-left: 1.4rem; position: relative; }
.feature .facts li::before { content: '✓'; position: absolute; left: 0; color: var(--accent-text); font-weight: 700; }

/* comparison table */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}
.compare { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 0.95rem; }
.compare caption { text-align: left; padding: 1rem 1.25rem; color: var(--text-dim); font-size: 0.85rem; caption-side: bottom; }
.compare th, .compare td { padding: 1rem 1.25rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.compare thead th { font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }
.compare thead th.us { color: var(--accent-text); background: color-mix(in srgb, var(--teal) 10%, transparent); }
.compare tbody th { font-weight: 600; width: 26%; }
.compare td { color: var(--text-muted); }
.compare td.us { color: var(--text); background: color-mix(in srgb, var(--teal) 7%, transparent); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare .mark { font-weight: 700; color: var(--accent-text); margin-right: 0.35rem; }
.compare-hint { display: none; font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.6rem; }
@media (max-width: 720px) { .compare-hint { display: block; } }
.table-wrap:focus-visible { outline-offset: 2px; }

/* sourcing grid */
.sourcing-card { max-width: 860px; margin: 0 auto; }

/* testimonials placeholders */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.placeholder {
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    color: var(--text-muted);
    background: var(--surface);
}
.placeholder .badge {
    display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 0.2rem 0.6rem; border-radius: 999px; background: color-mix(in srgb, var(--gold) 22%, transparent);
    color: var(--text); margin-bottom: 0.9rem;
}
.placeholder p { font-size: 0.95rem; }
.placeholder .who { margin-top: 1rem; font-size: 0.85rem; color: var(--text-dim); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 0.75rem; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); transition: border-color .2s ease, background .2s ease; }
.faq details[open] { border-color: color-mix(in srgb, var(--teal) 35%, var(--border)); background: var(--surface-strong); }
.faq summary {
    cursor: pointer; list-style: none; padding: 1.1rem 1.4rem; font-weight: 600;
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.5rem; line-height: 1; color: var(--accent-text); transition: transform .2s ease; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 1.4rem 1.25rem; color: var(--text-muted); font-size: 0.97rem; }
.faq .answer p + p { margin-top: 0.7rem; }

/* CTA extras */
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center; }
.contact-list { display: grid; gap: 0.3rem; color: var(--text-muted); font-size: 0.95rem; }
.todo {
    background: color-mix(in srgb, var(--gold) 25%, transparent);
    border-radius: 4px; padding: 0 0.3em; font-weight: 600; color: var(--text);
}

/* footer */
.footer { padding: 2.5rem 0; }
.disclaimer { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: 0.8rem; line-height: 1.6; max-width: 70em; }
.disclaimer p + p { margin-top: 0.6rem; }
.footer-brand .logo-mark { color: var(--accent-text); }

@media (max-width: 880px) { .ratio-card { transform: none; animation: none; } }


/* --- Basics: membrane, fatty acids, benefits ------------- */
.small { font-size: 0.85rem; }
.membrane-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 4vw, 3rem);
    display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center;
}
@media (max-width: 880px) { .membrane-card { grid-template-columns: 1fr; } }
.membrane-text h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 1rem; }
.membrane-text p { color: var(--text-muted); }
.membrane-text p + p { margin-top: 0.8rem; }
.membrane-figure { color: var(--text-muted); }
.membrane-figure figcaption { text-align: center; font-size: 0.8rem; color: var(--text-dim); margin-top: 0.5rem; }
.membrane-svg { width: 100%; height: auto; max-width: 480px; margin: 0 auto; overflow: visible; }
.mem-head { fill: #38bdf8; stroke: color-mix(in srgb, #38bdf8 60%, #000); stroke-width: 1; }
.mem-tail { fill: none; stroke: var(--gold); stroke-width: 3; stroke-linecap: round; }
.mem-protein rect { fill: color-mix(in srgb, #38bdf8 70%, transparent); stroke: #38bdf8; stroke-width: 2; }
.mem-leader { stroke: var(--text-dim); stroke-width: 1.2; fill: none; }
.mem-lipids g { animation: sway 5s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.mem-lipids g:nth-child(odd) { animation-delay: -2.500s; }
@keyframes sway { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-2px); } }
.fa-name { color: var(--accent-text) !important; font-weight: 600; font-size: 0.95rem !important; margin: -0.25rem 0 0.6rem; }
.benefits-list { display: grid; gap: 1.25rem; max-width: 820px; margin: 0 auto; }
.benefit {
    display: flex; gap: 1.25rem; align-items: flex-start;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem;
}
.benefit .feature-icon { flex: none; margin: 0; border-radius: 50%; width: 60px; height: 60px; }
.benefit h3 { margin-bottom: 0.35rem; }
.benefit p { color: var(--text-muted); font-size: 0.97rem; }
@media (prefers-color-scheme: light) { .mem-head { fill: #0ea5e9; } .mem-tail { stroke: #ca8a04; } }