/* Dr Suhaym Mubeen | Consultant Orthodontist
   Site stylesheet. Fonts: Marcellus (display), Figtree (body), loaded from Google Fonts in index.html.
   Colour tokens are defined on :root; dark-mode overrides follow. */

:root{
  --navy:#0F2A4A; --navy-deep:#0A1D33; --navy-mid:#15304F; --navy-light:#1F3F66;
  --porcelain:#F1F4F8; --bronze:#A8794A; --bronze-dark:#8F6539;
  --bg:var(--navy-mid); --bg-alt:var(--navy-deep); --text:#F1F4F8; --text-on-dark:#F1F4F8;
  --text-muted:#C2CEDC; --card:var(--navy-light); --rule:#33547A; --nav-bg:rgba(21,48,79,.94);
  --display:Marcellus, Georgia, serif; --body:Figtree, "Segoe UI", sans-serif;
  --max:1180px; --pad:clamp(20px,5vw,64px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ --bg:var(--navy-mid); --bg-alt:var(--navy-deep); --card:var(--navy-light); }
}
:root[data-theme="dark"]{ --bg:var(--navy-mid); --bg-alt:var(--navy-deep); --card:var(--navy-light); }
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);font-size:clamp(17px,1.05vw,18px);line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--bronze);text-decoration:none}
a:hover{color:var(--bronze-dark)}
:focus-visible{outline:2px solid var(--bronze);outline-offset:3px}
h1,h2,.display{font-family:var(--display);font-weight:400;line-height:1.05;letter-spacing:.005em}
h1{font-size:clamp(44px,6vw,72px)}
h2{font-size:clamp(32px,3.6vw,44px);line-height:1.1}
h3{font-family:var(--body);font-weight:600;font-size:22px;line-height:1.3}
p+p{margin-top:1em}
.label{font-family:var(--body);font-weight:600;text-transform:uppercase;letter-spacing:.12em;font-size:12.5px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.section{padding:clamp(64px,8vw,112px) 0}
.on-dark{background:var(--bg-alt);color:var(--text-on-dark)}
.on-dark .label{color:var(--bronze)}
.on-dark h2,.on-dark h3{color:var(--porcelain)}

/* archwire rule */
.wire{position:relative;height:7px;width:100%;margin:28px 0}
.wire::before,.wire::after{content:"";position:absolute;left:0;height:1px;background:var(--bronze);width:0;transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.wire::before{top:0}.wire::after{bottom:0;transition-delay:.12s}
.wire.in::before,.wire.in::after{width:100%}
.wire.short{max-width:120px}

/* bracket bullets */
ul.brackets{list-style:none}
ul.brackets li{position:relative;padding-left:22px;margin:.45em 0}
ul.brackets li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;background:var(--bronze)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-weight:600;font-size:14px;letter-spacing:.06em;text-transform:uppercase;padding:15px 26px;border-radius:2px;border:1px solid var(--bronze);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.btn.primary{background:var(--bronze);color:var(--porcelain)}
.btn.primary:hover{background:var(--bronze-dark);border-color:var(--bronze-dark);color:var(--porcelain)}
.btn.secondary{background:transparent;color:var(--bronze)}
.btn.secondary:hover{border-color:var(--bronze-dark);color:var(--bronze-dark)}
.on-dark .btn.secondary{color:var(--porcelain);border-color:rgba(241,244,248,.5)}
.on-dark .btn.secondary:hover{border-color:var(--bronze);color:var(--bronze)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--rule)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:14px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand .name{font-family:var(--display);font-size:20px;line-height:1;letter-spacing:.01em}
.brand .strap{display:block;font-family:var(--body);font-weight:600;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--bronze);margin-top:4px}
.mono{width:56px;height:41px;flex:none}
.menu{display:flex;gap:6px;list-style:none}
.menu a{display:block;padding:10px 12px;color:var(--text);font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.menu a:hover{color:var(--bronze)}
.menu a.active{color:var(--bronze);border-bottom-color:var(--bronze)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--text)}
.burger span{display:block;width:24px;height:2px;background:currentColor;margin:5px 0;transition:transform .25s,opacity .25s}
@media (max-width:900px){
  .menu{position:fixed;inset:68px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--rule);flex-direction:column;padding:12px var(--pad) 24px;gap:0;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
  .menu.open{transform:none;opacity:1;pointer-events:auto}
  .menu a{padding:14px 0;border-bottom:1px solid var(--rule)}
  .menu a.active{border-bottom-color:var(--bronze)}
  .burger{display:block}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
main{padding-top:68px}
.page{display:none}
.page.active{display:block}

/* hero */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
 linear-gradient(90deg,transparent 0,transparent calc(100% - 1px),rgba(255,255,255,.04) calc(100% - 1px)) 0 0/8.333% 100%,
 radial-gradient(1200px 600px at 85% 20%,rgba(168,121,74,.16),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr auto;gap:clamp(32px,6vw,96px);align-items:center;padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(40px,5vw,72px)}
.hero .label{margin-bottom:18px;display:block}
.hero h1{margin-bottom:22px;color:var(--porcelain)}
.hero .lead{font-size:clamp(17px,1.3vw,20px);line-height:1.55;max-width:34em;color:rgba(241,244,248,.86);margin-bottom:30px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px}
.portrait{position:relative;width:clamp(220px,22vw,280px)}
.portrait img{aspect-ratio:4/5;object-fit:cover;object-position:50% 0;width:100%;filter:saturate(.9)}
.portrait::after{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid rgba(168,121,74,.55);z-index:-1}
.portrait::before{content:"";position:absolute;left:-1px;right:-1px;bottom:-24px;height:1px;background:var(--bronze)}
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:28px;padding-top:36px;padding-bottom:48px}
  .portrait{order:-1;width:160px}
  .portrait::after{inset:10px -10px -10px 10px}
  .portrait::before{bottom:-16px}
}

/* animations */
.rise{opacity:0;transform:translateY(16px)}
.page.active .rise{animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.page.active .rise:nth-child(1){animation-delay:.05s}.page.active .rise:nth-child(2){animation-delay:.11s}.page.active .rise:nth-child(3){animation-delay:.17s}.page.active .rise:nth-child(4){animation-delay:.23s}.page.active .rise:nth-child(5){animation-delay:.29s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;animation:none!important}.wire::before,.wire::after{width:100%;transition:none}html{scroll-behavior:auto}}

/* credential strip */
.creds{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:22px 0}
.creds ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 0}
.creds li{display:flex;align-items:center;color:var(--text-muted)}
.creds li+li::before{content:"";width:6px;height:6px;background:var(--bronze);margin:0 18px}

/* generic grids */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:start}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:900px){.two,.grid4,.grid2{grid-template-columns:1fr}}
@media (min-width:600px) and (max-width:900px){.grid4{grid-template-columns:1fr 1fr}}
.eyebrow{margin-bottom:14px;display:block;color:var(--bronze)}
.intro{max-width:64ch;font-size:clamp(18px,1.3vw,20px);color:var(--text-muted)}
.narrow{max-width:65ch}

/* cards */
.card{background:var(--card);padding:30px 28px 28px;position:relative;display:block;color:var(--text);transition:transform .2s}
.card h3{margin-bottom:10px}
.card .title-rule{height:1px;width:48px;background:var(--text-muted);margin:12px 0 14px;transition:background .2s,width .3s}
.card:hover .title-rule{background:var(--bronze);width:80px}
.card p{color:var(--text-muted);font-size:16px}
.card .more{display:inline-block;margin-top:16px;font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase}
a.card:hover{color:var(--text)}

/* reviews */
.quote{background:var(--card);padding:36px 32px 30px;position:relative}
.quote::before{content:"\201C";font-family:var(--display);font-size:96px;line-height:.6;color:var(--bronze);position:absolute;top:26px;left:26px;opacity:.9}
.quote blockquote{margin-top:34px;color:var(--text-muted);font-size:17px}
.quote .stars{color:var(--bronze);letter-spacing:3px;font-size:14px;margin-top:18px}
.quote .who{font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;margin-top:6px;color:var(--text)}
.quote .extra{display:none;margin-top:1em}
.quote.open .extra{display:block}
.expander{background:none;border:0;padding:0;margin-top:12px;color:var(--bronze);font-family:var(--body);font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.masonry{columns:2;column-gap:20px}
.masonry .quote{break-inside:avoid;margin-bottom:20px}
@media (max-width:900px){.masonry{columns:1}}

/* timeline */
.timeline{position:relative;max-width:900px;margin:0 auto;padding:12px 0}
.timeline::before,.timeline::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--bronze);left:50%}
.timeline::before{margin-left:-3px}.timeline::after{margin-left:3px}
.tl{position:relative;width:50%;padding:12px 44px 36px 0}
.tl:nth-child(even){margin-left:50%;padding:12px 0 36px 44px}
.tl .year{font-family:var(--display);font-size:30px;color:var(--bronze);line-height:1;margin-bottom:8px}
.tl p{color:var(--text-muted);font-size:16px}
.tl::before{content:"";position:absolute;top:22px;right:-4px;width:8px;height:8px;background:var(--bronze)}
.tl:nth-child(even)::before{right:auto;left:-4px}
@media (max-width:760px){.timeline::before,.timeline::after{left:8px}.tl,.tl:nth-child(even){width:100%;margin-left:0;padding:12px 0 32px 40px}.tl::before,.tl:nth-child(even)::before{right:auto;left:4px}}
dl.quals{display:grid;grid-template-columns:auto 1fr;gap:14px 28px;max-width:820px}
dl.quals dt{font-family:var(--display);font-size:20px;color:var(--bronze);white-space:nowrap}
dl.quals dd{color:var(--text-muted)}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--rule);margin-bottom:28px}
.tab{background:none;border:0;padding:12px 18px;cursor:pointer;font-family:var(--body);font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tab[aria-selected="true"]{color:var(--bronze);border-bottom-color:var(--bronze)}
.panel{display:none}.panel.active{display:block}
.pub{padding:18px 0;border-bottom:1px solid var(--rule)}
.pub .t{font-weight:600}
.pub .m{color:var(--text-muted);font-size:15px;margin-top:4px}
.pub a{border-bottom:1px solid transparent}
.pub a:hover{border-bottom-color:var(--bronze)}

/* locations */
.loc{background:var(--card);padding:32px 30px}
.loc .area{color:var(--text-muted);font-size:15px;margin-top:4px}
.loc .who{margin:16px 0 18px}
.loc .links{list-style:none;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--rule);padding-top:16px}
.loc .links a{font-weight:600;font-size:14px}
.loc .links a::after{content:" \2197";}
.tag{display:inline-block;font-weight:600;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--bronze);border:1px solid var(--bronze);padding:4px 10px;border-radius:2px;margin-right:6px;margin-bottom:6px}

/* footer */
footer{background:var(--navy-deep);border-top:1px solid var(--rule);color:rgba(241,244,248,.78);padding:56px 0 32px;font-size:15px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:var(--porcelain);font-weight:600;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none}
footer li{margin:6px 0}
footer a{color:rgba(241,244,248,.78)}
footer a:hover{color:var(--bronze)}
footer .bottom{border-top:1px solid rgba(241,244,248,.15);margin-top:44px;padding-top:22px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-size:13px}
.page-head{padding:clamp(56px,7vw,88px) 0 clamp(36px,4vw,56px)}
.page-head h1{font-size:clamp(40px,5vw,60px);color:var(--porcelain)}
.page-head .intro{color:rgba(241,244,248,.82);margin-top:20px}
.sidebar{background:var(--card);padding:28px}
.sidebar h3{margin-bottom:12px}
.aboutgrid{display:grid;grid-template-columns:minmax(0,65ch) 1fr;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:900px){.aboutgrid{grid-template-columns:1fr}}
.aboutgrid .side{position:sticky;top:96px;display:grid;gap:24px}
.aboutgrid .side img{aspect-ratio:4/5;object-fit:cover;object-position:50% 0;filter:saturate(.9);width:clamp(220px,22vw,280px)}