/* Expansivision — landing + legal */

:root {
    --ink: #0F1B2D;
    --ink-soft: #1A2B42;
    --text: #334155;
    --muted: #64748B;
    --line: #D8E0EA;
    --bg: #F3F6FA;
    --bg-deep: #E8EEF6;
    --surface: #FFFFFF;
    --accent: #E85D04;
    --accent-deep: #C44D03;
    --accent-soft: #FFF1E6;
    --teal: #0E7490;
    --teal-soft: #E0F4F8;
    --radius: 18px;
    --radius-sm: 12px;
    --max: 1100px;
    --article: 720px;
    --display: 'Sora', system-ui, sans-serif;
    --font: 'Figtree', system-ui, sans-serif;
    --shadow: 0 16px 40px rgba(15, 27, 45, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--surface);
    color: var(--text);
    line-height: 1.75;
}

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

a {
    color: inherit;
}

/* —— brand lockup —— */
.brand {
    text-decoration: none;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding-left: 0.15rem;
}

.brand-cam {
    width: 2.35rem;
    height: 2.35rem;
    color: var(--teal);
    stroke-width: 1.75;
    flex-shrink: 0;
    position: relative;
    z-index: 0;
    margin-left: 0.2rem;
    margin-right: -0.7rem;
    top: -0.22rem;
    opacity: 0.88;
}

.brand-cam svg {
    width: 2.35rem;
    height: 2.35rem;
    stroke: var(--teal);
    stroke-width: 1.75;
}

.brand-word {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.045em;
    line-height: 1;
    display: inline-flex;
    align-items: baseline;
    position: relative;
    z-index: 1;
}

.brand-ex {
    color: var(--ink);
}

.brand-vi {
    color: var(--teal);
    position: relative;
}

.brand-vi::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -3px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--teal));
    border-radius: 2px;
    opacity: 0.9;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* —— header —— */
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0.75rem 1.35rem;
    border-radius: 10px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.header-cta:hover {
    background: var(--accent-deep);
    transform: translateY(-1px);
}

/* —— sponsored badge —— */
.ad-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-deep);
    background: var(--accent-soft);
    border: 1px solid #F6C9A4;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.85rem;
}

/* —— hero —— */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 85% 15%, rgba(14, 116, 144, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 50% at 10% 80%, rgba(232, 93, 4, 0.08), transparent 50%),
        linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
    padding: 3.5rem 1.5rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 27, 45, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 27, 45, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 3rem;
    align-items: center;
}

.category {
    color: var(--teal);
    font-family: var(--display);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 1rem;
}

.hero h1 {
    font-family: var(--display);
    font-size: clamp(1.85rem, 3.4vw, 2.65rem);
    font-weight: 800;
    line-height: 1.18;
    color: var(--ink);
    letter-spacing: -0.03em;
    margin-bottom: 1.15rem;
}

.subtitle {
    font-size: 1.08rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 34rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.9rem 1.4rem;
    border-radius: 12px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background: var(--accent-deep);
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.9rem 1.4rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-ghost:hover {
    border-color: var(--teal);
    background: var(--teal-soft);
}

.meta-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    font-size: 0.88rem;
    color: var(--muted);
    font-weight: 500;
}

.meta-info span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-info span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.hero-visual {
    position: relative;
}

.hero-image {
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow);
    background: var(--bg-deep);
    animation: rise 0.8s ease both;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* —— feature bar —— */
.feature-bar {
    background: var(--ink);
    margin-top: 3.5rem;
    padding: 2rem 1.5rem;
}

.feature-bar-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: #FDBA74;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-item strong {
    display: block;
    font-family: var(--display);
    font-size: 0.92rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.2rem;
    line-height: 1.3;
}

.feature-item span {
    font-size: 0.82rem;
    color: #94A3B8;
    line-height: 1.45;
}

/* —— article —— */
.article {
    max-width: var(--article);
    margin: 0 auto;
    padding: 3.5rem 1.5rem 3rem;
}

.article p {
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 1.65rem;
    color: var(--text);
}

.article h2 {
    font-family: var(--display);
    font-size: 1.55rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    color: var(--ink);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.article h3 {
    font-family: var(--display);
    font-size: 1.18rem;
    font-weight: 700;
    margin-top: 2.25rem;
    margin-bottom: 1rem;
    color: var(--ink-soft);
}

.highlight {
    background: var(--accent-soft);
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
    font-weight: 600;
    color: var(--accent-deep);
}

.section-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--teal));
    border-radius: 2px;
    margin: 2.5rem 0 2rem;
}

.callout {
    background: var(--teal-soft);
    border-radius: var(--radius-sm);
    padding: 1.6rem 1.7rem;
    margin: 2rem 0;
    border: 1px solid #B6E2EA;
}

.callout p {
    margin-bottom: 0.65rem;
    color: var(--ink);
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout strong {
    display: block;
    margin-bottom: 0.55rem;
    font-family: var(--display);
    font-size: 1.02rem;
    color: var(--teal);
}

.quote-box {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 1.75rem 1.85rem;
    margin: 2.25rem 0;
    font-size: 1.12rem;
    font-style: italic;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.6;
    border-left: 4px solid var(--accent);
}

.symptom-list {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 1.75rem 1.75rem 1.75rem 2.15rem;
    margin: 1.75rem 0;
}

.symptom-list > strong {
    display: block;
    margin-bottom: 1rem;
    font-family: var(--display);
    font-size: 1.02rem;
    color: var(--ink);
}

.symptom-list ul {
    margin: 0;
}

.symptom-list li {
    margin-bottom: 0.85rem;
    color: var(--text);
    line-height: 1.7;
}

.symptom-list li strong {
    color: var(--ink);
}

.article-list {
    margin: 0 0 1.65rem 1.5rem;
    color: var(--text);
}

.article-list li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.article-figure {
    margin: 2.25rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-deep);
    box-shadow: var(--shadow);
    animation: rise 0.7s ease both;
}

.article-figure img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

.article-figure figcaption {
    padding: 0.85rem 1.1rem 1.05rem;
    font-size: 0.88rem;
    color: var(--muted);
    background: var(--bg);
    border-top: 1px solid var(--line);
}

.info-box {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    margin: 2.25rem 0;
    box-shadow: var(--shadow);
}

.info-box h3 {
    margin-top: 0;
    color: var(--ink);
    font-size: 1.22rem;
    margin-bottom: 1rem;
}

.info-box p {
    color: var(--muted);
    margin-bottom: 0.95rem;
}

.info-box ul {
    margin: 1rem 0 1.25rem 1.25rem;
    color: var(--text);
}

.info-box li {
    margin-bottom: 0.55rem;
    line-height: 1.65;
}

.price-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.75rem 1rem;
    margin: 1.1rem 0 0.6rem;
}

.price-mention {
    font-family: var(--display);
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.price-old {
    font-size: 1rem;
    color: var(--muted);
    text-decoration: line-through;
}

.price-note {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.info-cta {
    display: inline-flex;
    margin-top: 0.5rem;
}

.disclaimer-box {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1.6rem;
    margin: 2.5rem 0;
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.7;
}

.disclaimer-box strong {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 1rem;
    color: var(--ink);
    font-family: var(--display);
}

.fn {
    font-size: 0.72em;
    font-weight: 700;
    color: var(--teal);
    text-decoration: none;
    vertical-align: super;
    margin-left: 0.1rem;
}

.fn:hover { color: var(--accent); }

.footnotes {
    margin: 0;
    padding: 0;
    border-top: none;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.65;
}

.footnotes h3 {
    font-family: var(--display);
    font-size: 0.95rem;
    color: var(--ink);
    margin: 0 0 0.85rem;
}

.footnotes ol {
    margin: 0 0 0 1.15rem;
    padding: 0;
}

.footnotes li {
    margin-bottom: 0.55rem;
}

.footnotes a {
    color: var(--accent);
}

.after-cta {
    max-width: var(--article);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 1rem;
}

.after-cta .footnotes {
    padding-bottom: 1.75rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
}

.after-cta .disclaimer-box {
    margin: 0 0 1rem;
}

.author-section {
    background: linear-gradient(135deg, var(--teal-soft), var(--accent-soft));
    border-radius: var(--radius);
    padding: 2rem;
    margin: 3rem 0 1rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.author-avatar {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.author-avatar svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: var(--teal);
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.author-details h4 {
    font-family: var(--display);
    font-size: 1.1rem;
    margin-bottom: 0.45rem;
    color: var(--ink);
    font-weight: 700;
}

.author-details p {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 0;
    line-height: 1.6;
}

/* —— footer CTA —— */
.footer-section {
    background:
        radial-gradient(ellipse 70% 80% at 80% 20%, rgba(232, 93, 4, 0.25), transparent 55%),
        var(--ink);
    color: #CBD5E1;
    padding: 3.25rem 1.5rem;
    text-align: center;
}

.footer-section h3 {
    font-family: var(--display);
    color: #fff;
    font-size: 1.55rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
    letter-spacing: -0.02em;
}

.footer-section p {
    color: #94A3B8;
    font-size: 1.02rem;
    max-width: 560px;
    margin: 0 auto 1.35rem;
    line-height: 1.7;
}

.footer-section .btn-primary {
    margin-bottom: 0.75rem;
}

.footer-note {
    font-size: 0.88rem;
    color: #64748B;
    margin-top: 0.5rem;
}

/* —— site footer —— */
.site-footer {
    background: #0A1320;
    color: #64748B;
    padding: 2.75rem 1.5rem 2rem;
    font-size: 0.9rem;
}

.site-footer-inner {
    max-width: var(--max);
    margin: 0 auto;
}

.company-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.company-grid h4 {
    color: #fff;
    font-family: var(--display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
}

.company-grid p,
.company-grid address {
    font-style: normal;
    color: #94A3B8;
    line-height: 1.65;
    font-size: 0.88rem;
}

.company-grid a {
    color: #E2E8F0;
    text-decoration: none;
}

.company-grid a:hover {
    text-decoration: underline;
}

.site-footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
}

.site-footer-bottom p {
    margin: 0;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.1rem;
}

.footer-legal a {
    color: #CBD5E1;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.88rem;
}

.footer-legal a:hover {
    color: #fff;
}

/* —— legal pages —— */
body.legal-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
}

.legal-shell {
    flex: 1;
    padding: 2.75rem 1.5rem 3.5rem;
    background: linear-gradient(180deg, var(--bg), var(--surface));
}

.legal-page {
    max-width: 720px;
    margin: 0 auto;
}

.legal-page .kicker {
    font-family: var(--display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 0.75rem;
}

.legal-page h1 {
    font-family: var(--display);
    font-size: clamp(1.6rem, 3vw, 2rem);
    color: var(--ink);
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.legal-lede {
    color: var(--muted);
    margin-bottom: 1.75rem;
    font-size: 1.05rem;
}

.legal-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.legal-card h2 {
    font-family: var(--display);
    font-size: 1.08rem;
    color: var(--ink);
    margin: 1.6rem 0 0.55rem;
}

.legal-card h2:first-child {
    margin-top: 0;
}

.legal-card p,
.legal-card li,
.legal-card address {
    color: var(--text);
    font-size: 0.98rem;
    line-height: 1.75;
}

.legal-card p {
    margin-bottom: 0.9rem;
}

.legal-card ul {
    margin: 0.5rem 0 1rem 1.2rem;
}

.legal-card li {
    margin-bottom: 0.45rem;
}

.legal-card a {
    color: var(--accent);
}

.legal-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.75rem;
}

.legal-nav a {
    display: inline-flex;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
}

.legal-nav a:hover,
.legal-nav a.is-active {
    border-color: var(--teal);
    background: var(--teal-soft);
    color: var(--teal);
}

/* —— responsive —— */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-visual {
        order: -1;
    }

    .feature-bar-inner {
        grid-template-columns: 1fr 1fr;
        gap: 1.35rem;
    }
}

@media (max-width: 640px) {
    .header-cta {
        display: none;
    }

    .feature-bar-inner {
        grid-template-columns: 1fr;
    }

    .author-section {
        flex-direction: column;
        text-align: center;
    }

    .company-grid {
        grid-template-columns: 1fr;
        gap: 1.35rem;
    }

    .hero {
        padding-top: 2.25rem;
    }

    .hero-image {
        border-radius: 18px;
    }

    .site-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}