:root {
    --navy: #071b2c;
    --navy-soft: #0d2a3f;
    --teal: #0b6f70;
    --teal-bright: #83ddd3;
    --teal-bright-text: #6ed2c8;
    --ivory: #f5f0e7;
    --paper: #fbfaf7;
    --ink: #102332;
    --muted: #5b6b75;
    --coral: #e27a62;
    --coral-on-light: #a84d38;
    --line: rgba(16, 35, 50, .16);
    --serif: Georgia, "Times New Roman", serif;
    --sans: Inter, Avenir, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overscroll-behavior-y: none;
    background-color: var(--navy);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--navy);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.skip-link {
    position: fixed;
    top: -4rem;
    left: 1rem;
    z-index: 100;
    padding: .75rem 1rem;
    background: white;
    transition: top .2s;
}

.skip-link:focus { top: 1rem; }

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 20;
    height: 88px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
    padding: 0 clamp(1.25rem, 4vw, 4.5rem);
    color: white;
    background-color: var(--navy);
    border-bottom: 1px solid rgba(255,255,255,.17);
}

.wordmark {
    display: flex;
    align-items: center;
    gap: .8rem;
    font-weight: 650;
    letter-spacing: -.01em;
    text-decoration: none;
}

.wordmark-mark {
    flex: 0 0 auto;
    width: 42px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 3px 8px rgba(0,0,0,.22));
}

.primary-nav { display: flex; gap: clamp(1rem, 2.6vw, 2.5rem); }
.primary-nav a, .header-contact {
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-decoration: none;
    text-transform: uppercase;
}

.primary-nav a { color: rgba(255,255,255,.78); }
.primary-nav a:hover, .primary-nav a:focus-visible { color: white; }

.header-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: .8rem;
}

.header-contact {
    padding: .72rem 1.05rem;
    border: 1px solid var(--teal-bright);
    border-radius: 999px;
    color: var(--navy);
    background: var(--teal-bright);
    box-shadow: 0 8px 24px rgba(0,0,0,.22);
    transition: background-color .2s, border-color .2s, transform .2s;
}

.header-contact:hover {
    border-color: white;
    background: white;
    transform: translateY(-1px);
}

.language-switcher { position: relative; }
.language-switcher summary {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255,255,255,.46);
    border-radius: 50%;
    color: white;
    background: var(--navy);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .08em;
    cursor: pointer;
    list-style: none;
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher[open] summary { border-color: var(--teal-bright); }
.language-menu {
    position: absolute;
    top: calc(100% + .7rem);
    right: 0;
    min-width: 145px;
    padding: .45rem;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 12px;
    color: white;
    background: var(--navy);
    box-shadow: 0 18px 40px rgba(0,0,0,.3);
}
.language-menu a {
    display: block;
    width: 100%;
    padding: .55rem .7rem;
    border-radius: 8px;
    font-size: .78rem;
    text-decoration: none;
}
.language-menu a:hover, .language-menu a:focus-visible { background: rgba(110,210,200,.14); }
.language-menu a[aria-current="page"] { color: var(--teal-bright-text); font-weight: 750; }

.hero {
    position: relative;
    min-height: min(900px, 100svh);
    display: flex;
    align-items: center;
    isolation: isolate;
    overflow: hidden;
    color: white;
    background: var(--navy);
}

.hero-image, .hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image { z-index: -2; object-fit: cover; object-position: center; }
.hero-overlay {
    z-index: -1;
    background: linear-gradient(90deg, rgba(3,16,30,.82) 0%, rgba(3,16,30,.64) 36%, rgba(3,16,30,.08) 72%),
                linear-gradient(0deg, rgba(3,16,30,.34), transparent 45%);
}

.hero-content {
    width: min(770px, 88vw);
    margin-left: clamp(1.25rem, 8vw, 9rem);
    padding: 9rem 0 5rem;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: .7rem;
    margin: 0 0 1.25rem;
    color: var(--teal-bright-text);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.eyebrow span { width: 34px; height: 1px; background: currentColor; }
.eyebrow.dark { color: var(--teal); }
.eyebrow.light { color: var(--teal-bright-text); }

h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: .98; letter-spacing: -.045em; }
h1 { margin-bottom: 1.8rem; font-size: clamp(3.6rem, 7.8vw, 8.2rem); }
h1 em, h2 em { color: var(--teal-bright-text); font-weight: 400; }

.hero-lead {
    max-width: 610px;
    margin-bottom: 2rem;
    color: rgba(255,255,255,.84);
    font-size: clamp(1.05rem, 1.5vw, 1.32rem);
    line-height: 1.65;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem; }
.button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: .85rem 1.4rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 750;
    letter-spacing: .04em;
    text-decoration: none;
}

.button-primary { color: var(--navy); background: var(--teal-bright); }
.button-primary:hover { background: white; }

.hero-index {
    position: absolute;
    right: clamp(1.25rem, 4vw, 4.5rem);
    bottom: 2.4rem;
    color: rgba(255,255,255,.54);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.hero-index span { color: var(--coral); margin: 0 .3rem; }

.credential-strip {
    --credential-line: rgba(255,255,255,.17);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 0 clamp(1.25rem, 4vw, 4.5rem);
    color: white;
    background: var(--navy-soft);
    border-bottom: 1px solid var(--credential-line);
}

.credential-strip div {
    position: relative;
    padding: 2rem clamp(1rem, 2.4vw, 2.8rem);
    border-right: 1px solid var(--credential-line);
}
.credential-strip div::before {
    content: "";
    position: absolute;
    top: 0;
    left: clamp(1rem, 2.4vw, 2.8rem);
    width: 38px;
    height: 3px;
    background: var(--teal-bright);
}
.credential-strip div:last-child { border-right: 0; }
.credential-strip strong, .credential-strip span { display: block; }
.credential-strip strong { margin-bottom: .35rem; font-size: .94rem; font-weight: 750; letter-spacing: .015em; }
.credential-strip span { color: rgba(255,255,255,.72); font-size: .8rem; line-height: 1.45; }

.section { padding: clamp(5rem, 10vw, 9.5rem) clamp(1.25rem, 8vw, 9rem); }
.section-heading { max-width: 750px; margin-bottom: clamp(3rem, 6vw, 6rem); }
.section-heading h2, .research-intro h2, .contact h2, .skills-section h2 {
    margin-bottom: 0;
    font-size: clamp(3rem, 6vw, 6.4rem);
}

.dentistry { background: var(--paper); }
.dentistry-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem, 7vw, 8rem); align-items: start; }
.statement { position: sticky; top: 2rem; }
.statement p { font-family: var(--serif); font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.48; letter-spacing: -.02em; }
.focus-cards { display: grid; }
.focus-cards article {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 0 1.2rem;
    padding: 2.2rem 0;
    border-top: 1px solid var(--line);
}
.card-number { grid-row: 1 / 3; color: var(--coral-on-light); font-family: var(--serif); font-style: italic; }
.focus-cards h3 { margin-bottom: .55rem; font-family: var(--serif); font-size: clamp(1.45rem, 2.2vw, 2.1rem); font-weight: 400; line-height: 1.2; }
.focus-cards p { max-width: 650px; margin-bottom: 0; color: var(--muted); }

.timeline-section { color: white; background: var(--navy); }
.section-heading.split { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; gap: 4rem; align-items: end; }
.section-heading.split > p { max-width: 470px; margin: 0 0 .7rem; color: rgba(255,255,255,.62); font-size: 1.06rem; }
.timeline { border-top: 0; }
.timeline-item {
    display: grid;
    grid-template-columns: minmax(140px, .35fr) 1fr;
    gap: 3rem;
    padding: 2.4rem 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
}
.timeline-date { color: var(--teal-bright-text); font-family: var(--serif); font-size: 1.1rem; }
.timeline-type, .degree-label { margin-bottom: .4rem; color: var(--coral); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.degree-label { color: var(--coral-on-light); }
.timeline-item h3 { margin-bottom: .65rem; font-family: var(--serif); font-size: clamp(1.35rem, 2vw, 1.9rem); font-weight: 400; line-height: 1.25; }
.timeline-item p:last-child { max-width: 800px; margin-bottom: 0; color: rgba(255,255,255,.62); }

.research { overflow: hidden; background: var(--ivory); }
.research-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1rem 6rem; align-items: end; margin-bottom: 5rem; }
.research-intro .eyebrow { grid-column: 1 / -1; }
.research-intro h2 { max-width: 780px; }
.research-intro > p:last-child { max-width: 520px; margin: 0 0 .6rem; color: var(--muted); }
.research-panel { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 580px; color: white; background: var(--navy-soft); }
.research-visual { position: relative; display: grid; place-items: center; min-height: 520px; overflow: hidden; background: radial-gradient(circle at 50% 48%, rgba(110,210,200,.22), transparent 35%), linear-gradient(145deg, #0c3b4c, #071b2c); background-color: var(--navy); }
.research-visual strong { position: relative; z-index: 2; max-width: 260px; color: white; font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.8rem); font-weight: 400; line-height: 1.2; text-align: center; }
.orbit { position: absolute; border: 1px solid rgba(110,210,200,.3); border-radius: 50%; }
.orbit-one { width: 480px; height: 260px; transform: rotate(24deg); }
.orbit-two { width: 310px; height: 480px; transform: rotate(65deg); }
.cell { position: absolute; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.65), rgba(226,122,98,.35) 12%, rgba(110,210,200,.12) 48%, transparent 52%); box-shadow: 0 0 40px rgba(110,210,200,.1); }
.cell-one { width: 145px; height: 145px; top: 12%; right: 10%; }
.cell-two { width: 82px; height: 82px; bottom: 14%; left: 12%; }
.cell-three { width: 40px; height: 40px; top: 22%; left: 16%; }
.research-topics { align-self: center; padding: 3rem clamp(2rem, 5vw, 5rem); }
.research-topics div { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; padding: 1.35rem 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.research-topics span { color: var(--coral); font-family: var(--serif); font-style: italic; }
.research-topics p { margin: 0; font-family: var(--serif); font-size: clamp(1.15rem, 1.6vw, 1.55rem); }

.publications-block {
    margin-top: 2rem;
    padding: clamp(3rem, 6vw, 6rem);
    color: white;
    background: var(--navy);
}
.publications-heading {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 1rem 5rem;
    align-items: end;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.publications-heading .eyebrow { grid-column: 1 / -1; }
.publications-heading h2 {
    margin-bottom: 0;
    font-size: clamp(2.8rem, 5.5vw, 5.7rem);
}
.publications-heading > p:last-child {
    max-width: 520px;
    margin: 0 0 .55rem;
    color: rgba(255,255,255,.62);
}
.publication-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid rgba(255,255,255,.18);
}
.publication-item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 1rem;
    min-width: 0;
    padding: 2rem 2rem 2.2rem 0;
    border-bottom: 1px solid rgba(255,255,255,.16);
}
.publication-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.16); }
.publication-item:nth-child(even) { padding-left: 2rem; }
.publication-number {
    color: var(--coral);
    font-family: var(--serif);
    font-style: italic;
}
.publication-meta {
    margin-bottom: .65rem;
    color: var(--teal-bright-text);
    font-size: .67rem;
    font-weight: 750;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.publication-meta cite { font-style: normal; }
.publication-item h3 {
    margin-bottom: 1.25rem;
    font-family: var(--serif);
    font-size: clamp(1.15rem, 1.65vw, 1.55rem);
    font-weight: 400;
    line-height: 1.34;
}
.publication-links { display: flex; flex-wrap: wrap; gap: 1.3rem; }
.publication-links a {
    color: rgba(255,255,255,.7);
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
}
.publication-links a:hover { color: white; }

.education { background: var(--paper); }
.degree-list { border-top: 1px solid var(--line); }
.degree-list article { display: grid; grid-template-columns: minmax(100px, .25fr) 1fr; gap: 2rem; padding: 2.6rem 0; border-bottom: 1px solid var(--line); }
.degree-year { color: var(--teal); font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 3rem); }
.degree-list h3 { margin-bottom: .45rem; font-family: var(--serif); font-size: clamp(1.65rem, 3vw, 2.7rem); font-weight: 400; line-height: 1.15; }
.degree-list p:last-child { max-width: 720px; margin-bottom: 0; color: var(--muted); }

.skills-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 9rem); padding: clamp(5rem, 9vw, 8rem) clamp(1.25rem, 8vw, 9rem); color: white; background: var(--teal); }
.skills-section .eyebrow.light { color: white; }
.skills-section h2 { font-size: clamp(2.7rem, 5vw, 5.2rem); }
.skill-cloud { display: flex; flex-wrap: wrap; align-content: center; gap: .8rem; }
.skill-cloud span { padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; font-size: .86rem; }

.contact { padding: clamp(6rem, 12vw, 11rem) clamp(1.25rem, 8vw, 9rem); text-align: center; background: var(--ivory); }
.contact .eyebrow { justify-content: center; }
.contact h2 { margin-bottom: 3rem; }
.contact h2 em { color: var(--teal); }
.contact-email { display: inline-flex; align-items: center; gap: 1rem; padding-bottom: .4rem; border-bottom: 1px solid var(--ink); font-family: var(--serif); font-size: clamp(1.1rem, 2.4vw, 2rem); text-decoration: none; }
.social-links { display: flex; justify-content: center; gap: 2rem; margin-top: 2.5rem; }
.social-links a { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }

footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem clamp(1.25rem, 4vw, 4.5rem);
    color: rgba(255,255,255,.55);
    background: var(--navy);
    font-size: .68rem;
    letter-spacing: .06em;
    text-transform: uppercase;
}
footer > :first-child { justify-self: start; }
footer > :nth-child(2) { justify-self: center; text-align: center; }
footer > :last-child { justify-self: end; text-align: right; }
footer a { text-decoration: none; }
footer a:hover, footer a:focus-visible { color: white; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .4rem 1.2rem; }

/* Make text links discoverable without changing navigation or CTA buttons. */
a:not(nav a):not(.language-menu a):not(.button):not(.header-contact):not(.wordmark):not(.skip-link):not(:has(img)) {
    position: relative;
    display: inline-block;
    width: max-content;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dashed currentColor;
}
a:not(nav a):not(.language-menu a):not(.button):not(.header-contact):not(.wordmark):not(.skip-link):not(:has(img))::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background-color: var(--teal-bright);
    transition: width .35s ease;
}
a:hover:not(nav a):not(.language-menu a):not(.button):not(.header-contact):not(.wordmark):not(.skip-link):not(:has(img))::after,
a:focus-visible:not(nav a):not(.language-menu a):not(.button):not(.header-contact):not(.wordmark):not(.skip-link):not(:has(img))::after {
    width: 100%;
}

.credential-strip a { max-width: 100%; overflow-wrap: anywhere; }

.legal-page {
    min-height: 100vh;
    background: var(--paper);
}
.legal-page .site-header {
    position: relative;
    color: var(--navy);
    background: var(--paper);
    border-bottom-color: var(--line);
}
.legal-page .primary-nav a { color: var(--muted); }
.legal-page .primary-nav a:hover,
.legal-page .primary-nav a:focus-visible { color: var(--navy); }
.legal-page .language-switcher summary {
    border-color: rgba(16,35,50,.35);
    color: var(--navy);
    background: transparent;
}
.legal-page .language-switcher[open] summary { border-color: var(--teal); }
.legal-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 8vw, 9rem);
}
.legal-heading {
    max-width: 820px;
    padding-bottom: clamp(2.5rem, 5vw, 4rem);
    border-bottom: 1px solid var(--line);
}
.legal-heading h1 {
    margin-bottom: 1rem;
    font-size: clamp(3.4rem, 7vw, 7rem);
}
.legal-heading > p:last-child {
    max-width: 650px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.1rem;
}
.legal-content {
    max-width: 760px;
    padding-top: clamp(3rem, 6vw, 5rem);
}
.legal-updated {
    margin-bottom: 3rem;
    color: var(--muted);
    font-size: .82rem;
    letter-spacing: .04em;
}
.legal-content section + section { margin-top: clamp(2.8rem, 5vw, 4.5rem); }
.legal-content h2 {
    margin-bottom: .8rem;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
}
.legal-content p,
.legal-content li {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.75;
}
.legal-content p { margin-bottom: 1rem; }
.legal-content ul { margin: 0; padding-left: 1.3rem; }
.legal-content li + li { margin-top: .55rem; }
.legal-content a { color: var(--teal); }
.legal-note {
    padding: 1.4rem 1.6rem;
    border-left: 4px solid var(--teal);
    background: rgba(11,111,112,.07);
}
.legal-note p:last-child { margin-bottom: 0; }

:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }

@media (max-width: 900px) {
    .site-header { grid-template-columns: 1fr auto; }
    .primary-nav { display: none; }
    .credential-strip { grid-template-columns: repeat(2, 1fr); }
    .credential-strip div:nth-child(2) { border-right: 0; }
    .credential-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--credential-line); }
    .dentistry-grid, .research-intro, .research-panel, .skills-section { grid-template-columns: 1fr; }
    .statement { position: static; }
    .research-intro { gap: 2rem; }
    .research-panel { min-height: 0; }
    .research-visual { min-height: 420px; }
    .publications-heading { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
    .site-header { height: 72px; }
    .wordmark > span:last-child { display: none; }
    .wordmark-mark { width: 38px; height: 50px; }
    .header-actions { gap: .5rem; }
    .header-contact { padding: .58rem .72rem; font-size: .66rem; }
    .language-switcher summary { width: 38px; height: 38px; }
    .hero { min-height: 780px; align-items: flex-end; }
    .hero-image { object-position: 66% center; opacity: .72; }
    .hero-overlay { background: linear-gradient(0deg, rgba(3,16,30,.96) 18%, rgba(3,16,30,.2) 90%); }
    .hero-content { margin: 0; padding: 8rem 1.25rem 6rem; }
    .hero-index { display: none; }
    .button { width: 100%; }
    .credential-strip { grid-template-columns: 1fr; }
    .credential-strip { padding: 0 1.25rem; }
    .credential-strip div { padding-right: 0; padding-left: 0; border-right: 0; border-bottom: 1px solid var(--credential-line); }
    .credential-strip div::before { left: 0; }
    .section-heading.split { grid-template-columns: 1fr; gap: 2rem; }
    .timeline-item, .degree-list article { grid-template-columns: 1fr; gap: 1rem; }
    .focus-cards article { grid-template-columns: 42px 1fr; }
    .research-visual { min-height: 340px; }
    .orbit-one { width: 330px; height: 180px; }
    .orbit-two { width: 210px; height: 330px; }
    .publications-block { margin-right: -1.25rem; margin-left: -1.25rem; padding-right: 1.25rem; padding-left: 1.25rem; }
    .publication-list { grid-template-columns: 1fr; }
    .publication-item,
    .publication-item:nth-child(even) { padding: 1.8rem 0; border-right: 0; }
    footer { grid-template-columns: 1fr; }
    footer > :first-child,
    footer > :nth-child(2),
    footer > :last-child { justify-self: start; text-align: left; }
    .footer-links { justify-content: flex-start; }
    .legal-main { padding-top: 4.5rem; padding-bottom: 4.5rem; }
    .legal-heading h1 { font-size: clamp(3rem, 14vw, 4.8rem); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

/* Portrait-led hero and editorial dentistry image */
.hero {
    background:
        radial-gradient(circle at 78% 44%, rgba(18,95,98,.28), transparent 24%),
        linear-gradient(115deg, #061827 0%, #081f31 49%, #0b3442 100%);
    background-color: var(--navy);
}
.hero-image { display: none; }
.hero-overlay {
    z-index: 0;
    background:
        linear-gradient(90deg, rgba(2,12,22,.35), transparent 56%),
        linear-gradient(0deg, rgba(2,12,22,.25), transparent 45%);
}
.hero::before {
    content: "";
    position: absolute;
    z-index: 1;
    right: clamp(-1.5rem, 1.5vw, 1.75rem);
    bottom: -.15rem;
    width: min(49vw, 690px);
    height: min(88%, 760px);
    background: url("/assets/salma-bousselmi-portrait.png") bottom center / contain no-repeat;
    filter: drop-shadow(0 26px 42px rgba(0,0,0,.32));
    transform: translate3d(0, var(--portrait-parallax, 0px), 0);
    will-change: transform;
    pointer-events: none;
}
.hero::after {
    content: "";
    position: absolute;
    z-index: 0;
    right: clamp(0rem, 2vw, 2rem);
    bottom: 1rem;
    width: min(48vw, 640px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(131,221,211,.22) 0%, rgba(43,151,155,.1) 42%, transparent 72%);
    filter: blur(16px);
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    width: min(700px, 49vw);
}
.hero h1 {
    max-width: 760px;
    font-size: clamp(3.6rem, 5.4vw, 6.9rem);
}
.hero-lead { max-width: 570px; }
.hero-index { z-index: 2; }

.dentistry {
    display: grid;
    grid-template-columns: .88fr 1.12fr;
    column-gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}
.dentistry::before {
    content: "";
    grid-column: 2;
    grid-row: 1;
    min-height: 420px;
    background: url("/assets/dentistry-research-hero.png") right center / cover no-repeat;
    border: 1px solid var(--line);
}
.dentistry > .section-heading {
    grid-column: 1;
    grid-row: 1;
    max-width: none;
    align-self: center;
    margin-bottom: 0;
}
.dentistry > .section-heading h2 {
    font-size: clamp(3rem, 5vw, 5.4rem);
}
.dentistry-grid { display: contents; }
.dentistry .statement {
    grid-column: 1;
    grid-row: 2;
    position: static;
    margin-top: clamp(2rem, 4vw, 3.5rem);
}
.dentistry .statement p {
    max-width: 520px;
    font-size: clamp(1.3rem, 1.75vw, 1.75rem);
}
.dentistry .focus-cards {
    grid-column: 1 / -1;
    grid-row: 3;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: clamp(3.5rem, 6vw, 5.5rem);
    border-top: 1px solid var(--line);
}
.dentistry .focus-cards article {
    display: block;
    padding: 2rem 2rem 0 0;
    margin-right: 2rem;
    border-top: 0;
    border-right: 1px solid var(--line);
}
.dentistry .focus-cards article:last-child {
    margin-right: 0;
    border-right: 0;
}
.dentistry .card-number {
    display: block;
    margin-bottom: .8rem;
}
.dentistry .focus-cards h3 {
    font-size: clamp(1.35rem, 1.8vw, 1.8rem);
}

@media (max-width: 1050px) {
    .hero::before {
        right: -5vw;
        width: min(55vw, 620px);
    }
    .hero-content { width: min(620px, 52vw); }
}

@media (max-width: 900px) {
    .hero::before {
        right: -15vw;
        width: 70vw;
        height: 72%;
        opacity: .72;
    }
    .hero::after {
        right: -4vw;
        bottom: 6rem;
        width: 58vw;
    }
    .hero-content { width: min(620px, 82vw); }
    .dentistry { grid-template-columns: 1fr; }
    .dentistry > .section-heading { grid-column: 1; grid-row: 1; }
    .dentistry::before {
        grid-column: 1;
        grid-row: 2;
        min-height: 360px;
        margin-top: 2rem;
    }
    .dentistry .statement {
        grid-column: 1;
        grid-row: 3;
    }
    .dentistry .focus-cards {
        grid-column: 1;
        grid-row: 4;
        grid-template-columns: 1fr;
        margin-top: 2.5rem;
    }
    .dentistry .focus-cards article {
        padding: 1.7rem 0;
        margin-right: 0;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .dentistry .focus-cards article:last-child { border-bottom: 0; }
}

@media (max-width: 640px) {
    .hero {
        min-height: 780px;
        align-items: stretch;
    }
    .hero::before {
        right: -23vw;
        bottom: 0;
        width: 96vw;
        height: 66%;
        opacity: .5;
    }
    .hero::after {
        right: -22vw;
        bottom: 3rem;
        width: 95vw;
        opacity: .9;
    }
    .hero-content {
        width: 100%;
        margin: 0;
        display: flex;
        flex-direction: column;
        padding: 7.5rem 1.25rem 3rem;
    }
    .hero h1 { font-size: clamp(3.15rem, 14vw, 4.8rem); }
    .hero-lead { max-width: 86%; }
    .hero-actions { margin-top: auto; }
    .button-primary { color: var(--navy); background: white; }
    .dentistry::before {
        min-height: 270px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero::before { transform: none; will-change: auto; }
}