/* ============================================================
   cosmeticsurgeryistanbul.co.uk — UK patients → Istanbul
   Design: "The Route" — Bosphorus teal + Istanbul gold,
   flight-path signature, departure-board data in mono.
   ============================================================ */

:root{
  --deep:#0F3A3E;        /* deep Bosphorus teal — headers, footer */
  --deep-2:#0A2A2D;      /* darker */
  --teal:#0E6E6E;        /* mid teal — links, accents */
  --teal-soft:#E6F0EE;   /* tint */
  --gold:#C49A4F;        /* Istanbul / brand gold — accent, sparing */
  --gold-dark:#A57F36;
  --gold-soft:#F4ECDD;
  --paper:#F5F8F7;       /* COOL off-white (not cream) */
  --surface:#FFFFFF;
  --ink:#13201F;         /* near-black, green undertone */
  --muted:#566664;
  --muted-2:#7C8B89;
  --line:#DBE6E2;        /* cool border */
  --line-2:#EAF1EE;
  --wa:#25D366;
  --maxw:1180px;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 2px 18px rgba(15,58,62,.06);
  --shadow-lg:0 18px 50px rgba(15,58,62,.12);
  --ff-display:"Spectral",Georgia,"Times New Roman",serif;
  --ff-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --ff-mono:"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff-body);color:var(--ink);background:var(--paper);
  font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:600;line-height:1.12;color:var(--ink);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{margin:0 0 1rem}
em{font-style:italic;color:var(--teal)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:780px;margin-left:auto;margin-right:auto}

/* eyebrow + mono route tag */
.eyebrow{font-family:var(--ff-mono);font-size:.72rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-dark);margin:0 0 1rem}
.route-tag{font-family:var(--ff-mono);font-size:.8rem;font-weight:500;letter-spacing:.06em;
  color:var(--teal);display:inline-flex;align-items:center;gap:.5ch}
.route-tag .plane{color:var(--gold)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55ch;font-family:var(--ff-body);font-weight:600;
  font-size:.98rem;padding:.85em 1.5em;border-radius:100px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--deep);color:#fff}
.btn-primary:hover{background:var(--deep-2);box-shadow:var(--shadow-lg);color:#fff}
.btn-gold{background:var(--gold);color:#1c1606}
.btn-gold:hover{background:var(--gold-dark);color:#1c1606}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-wa{background:var(--wa);color:#063}
.btn-wa:hover{background:#1ebe57;color:#063}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(245,248,247,.86);
  backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--ff-display);font-weight:700;
  font-size:1.12rem;color:var(--ink);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--deep);display:grid;place-items:center;flex:none}
.brand-mark svg{width:21px;height:21px}
.brand small{display:block;font-family:var(--ff-mono);font-size:.58rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold-dark);font-weight:500;margin-top:1px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{color:var(--ink);font-size:.93rem;font-weight:500;padding:.5em .8em;border-radius:8px}
.nav-links a:hover{background:var(--teal-soft);color:var(--deep);text-decoration:none}
.nav-links .btn{margin-left:8px;padding:.6em 1.15em}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-ig{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;color:var(--deep);border:1px solid var(--line);flex:none;transition:background .15s,color .15s,border-color .15s}
.nav-ig:hover{background:var(--teal-soft);color:var(--teal);border-color:var(--teal-soft);text-decoration:none}
.nav-ig svg{width:20px;height:20px}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s;border-radius:2px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(120% 90% at 85% -10%,rgba(196,154,79,.10),transparent 55%),
  linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
  padding:78px 0 70px}
.hero h1{margin-bottom:.35em}
.hero-lede{font-size:1.18rem;color:var(--muted);max-width:30em;margin-bottom:1.7rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:1.9rem}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;align-items:center;font-size:.85rem;color:var(--muted)}
.hero-trust b{color:var(--ink);font-weight:600}
.hero-photo{position:relative}
.hero-photo img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;
  aspect-ratio:4/5;object-fit:cover;object-position:top center}
/* boarding-pass route chip floating on hero photo */
.route-chip{position:absolute;left:-22px;bottom:28px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:14px 18px;
  display:flex;align-items:center;gap:14px}
.route-chip .code{font-family:var(--ff-mono);font-weight:700;font-size:1.15rem;color:var(--deep)}
.route-chip .mid{display:flex;flex-direction:column;align-items:center;color:var(--gold)}
.route-chip .mid small{font-family:var(--ff-mono);font-size:.6rem;color:var(--muted-2);letter-spacing:.1em}
.route-chip .dur{font-family:var(--ff-mono);font-size:.72rem;color:var(--muted)}

/* flight-path divider (signature) */
.flightpath{display:flex;align-items:center;gap:14px;color:var(--gold);margin:0 auto;max-width:340px}
.flightpath::before,.flightpath::after{content:"";height:0;flex:1;
  border-top:2px dashed var(--line)}
.flightpath svg{width:22px;height:22px;flex:none}

/* ---------- sections ---------- */
section{padding:74px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.section-deep{background:var(--deep);color:#dbeae7}
.section-deep h1,.section-deep h2,.section-deep h3{color:#fff}
.section-deep .eyebrow{color:var(--gold)}
.section-deep em{color:var(--gold)}
.section-head{max-width:640px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lede{font-size:1.1rem;color:var(--muted)}
.section-deep .lede{color:#bcd4d0}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .18s ease,box-shadow .2s ease,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal-soft)}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);margin-bottom:0;font-size:.97rem}
.card-icon{width:46px;height:46px;border-radius:11px;background:var(--teal-soft);color:var(--deep);
  display:grid;place-items:center;margin-bottom:16px}
.card-icon svg{width:24px;height:24px}

/* city route card (boarding-pass style) */
.citycard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .2s,border-color .2s}
.citycard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal-soft);text-decoration:none}
.citycard-top{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;
  background:linear-gradient(180deg,#fff,var(--teal-soft));border-bottom:1px dashed var(--line)}
.citycard-top .code{font-family:var(--ff-mono);font-weight:700;font-size:1.05rem;color:var(--deep)}
.citycard-top .plane{color:var(--gold)}
.citycard-body{padding:18px 20px}
.citycard-body h3{font-size:1.18rem;margin-bottom:.2em;color:var(--ink)}
.citycard-body .meta{font-family:var(--ff-mono);font-size:.74rem;color:var(--muted);letter-spacing:.03em}
.citycard-body .arrow{color:var(--teal);font-weight:600;font-size:.9rem;margin-top:12px;display:inline-block}

/* accreditation strip */
.accred{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:stretch}
.accred-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:14px 20px;font-size:.85rem;color:var(--muted);font-weight:500}
.accred-item b{display:block;color:var(--ink);font-weight:600;font-size:.95rem}
.accred-item .ic{width:30px;height:30px;color:var(--gold-dark);flex:none}

/* credential pills */
.pills{display:flex;flex-wrap:wrap;gap:9px}
.pill{font-family:var(--ff-mono);font-size:.72rem;font-weight:500;letter-spacing:.04em;
  background:var(--teal-soft);color:var(--deep);padding:.45em 0.85em;border-radius:100px}

/* numbered journey steps */
.steps{display:grid;gap:18px}
.step{display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 26px}
.step-n{font-family:var(--ff-mono);font-weight:700;font-size:1.15rem;color:var(--gold);
  flex:none;width:42px;height:42px;border-radius:11px;background:var(--gold-soft);display:grid;place-items:center}
.step h3{margin-bottom:.25em}
.step p{color:var(--muted);margin-bottom:0;font-size:.97rem}

/* video (portrait short + landscape) */
.video-wrap{max-width:720px;margin:0 auto}
.video-16x9{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#000}
.video-16x9::before{content:"";display:block;padding-bottom:56.25%}
.video-16x9 iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-portrait{position:relative;max-width:330px;margin:0 auto;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-lg);background:#000}
.video-portrait::before{content:"";display:block;padding-bottom:177.78%}
.video-portrait iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-cap{text-align:center;font-size:.85rem;color:var(--muted);margin-top:14px}

/* split feature (image + text) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.split.rev .split-text{order:2}

/* fact table / route data */
.rtable{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.rtable th,.rtable td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-2)}
.rtable th{background:var(--teal-soft);font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--deep);font-weight:600}
.rtable td:first-child{font-weight:500;color:var(--ink)}
.rtable .mono{font-family:var(--ff-mono);color:var(--teal)}
.rtable tr:last-child td{border-bottom:0}

/* callout box */
.callout{background:var(--gold-soft);border:1px solid #E8D9BC;border-left:4px solid var(--gold);
  border-radius:12px;padding:20px 24px;margin:26px 0}
.callout strong{color:var(--gold-dark)}
.callout p:last-child{margin-bottom:0}
.callout.teal{background:var(--teal-soft);border-color:var(--line);border-left-color:var(--teal)}
.callout.teal strong{color:var(--deep)}

/* CTA band */
.cta-band{background:var(--deep);color:#fff;border-radius:var(--radius-lg);padding:48px 44px;text-align:center}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{color:#bcd4d0;max-width:34em;margin:0 auto 1.6rem}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.cta-band .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- blog ---------- */
.page-hero{padding:56px 0 30px;background:linear-gradient(180deg,#fff,var(--paper))}
.breadcrumb{font-family:var(--ff-mono);font-size:.74rem;color:var(--muted);margin-bottom:18px;letter-spacing:.03em}
.breadcrumb a{color:var(--muted)}
.breadcrumb .sep{margin:0 .5ch;color:var(--gold)}
.post-meta{display:flex;align-items:center;gap:14px;margin:22px 0 0;padding-top:20px;border-top:1px solid var(--line)}
.post-meta img{width:48px;height:48px;border-radius:50%;object-fit:cover;flex:none}
.post-meta .pm-name{font-weight:600;font-size:.92rem;color:var(--ink)}
.post-meta .pm-sub{font-size:.8rem;color:var(--muted)}
.prose{font-size:1.06rem;line-height:1.75;color:#27332f}
.prose h2{margin:1.8em 0 .5em}
.prose h3{margin:1.5em 0 .4em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.4em 0}
.prose strong{color:var(--ink)}
.prose a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.tldr{background:var(--teal-soft);border-radius:14px;padding:22px 26px;margin:0 0 30px}
.tldr .lab{font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--deep);font-weight:600;margin-bottom:8px}
.tldr p{margin:0;font-size:1.02rem}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;position:relative;
  font-weight:600;font-family:var(--ff-display);font-size:1.1rem;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font-size:1.5rem;color:var(--gold);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--teal)}
.faq .ans{padding:0 0 20px;color:var(--muted);font-size:1rem;line-height:1.7}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:22px;transition:transform .18s,box-shadow .2s,border-color .2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal-soft);text-decoration:none}
.related-card .rc-tag{font-family:var(--ff-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-dark)}
.related-card h3{font-size:1.08rem;margin:.4em 0 .3em}
.related-card p{font-size:.88rem;color:var(--muted);margin:0}

/* blog index cards */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:transform .18s,box-shadow .2s,border-color .2s}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal-soft);text-decoration:none}
.blog-card .bc-tag{font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:10px}
.blog-card h3{font-size:1.18rem;margin-bottom:.4em}
.blog-card p{color:var(--muted);font-size:.92rem;margin-bottom:14px;flex:1}
.blog-card .read{font-weight:600;color:var(--teal);font-size:.88rem}

/* ---------- footer ---------- */
.footer{background:var(--deep);color:#a9c4c0;padding:60px 0 28px;font-size:.9rem}
.footer h4{color:#fff;font-family:var(--ff-body);font-size:.8rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:16px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.footer a{color:#a9c4c0}
.footer a:hover{color:#fff}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-brand p{color:#8fb0ab;font-size:.88rem;max-width:30ch}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:.5em 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:#7fa39e}
.footer-bottom a{color:#7fa39e}

/* whatsapp FAB */
.wa-fab{position:fixed;bottom:22px;right:22px;width:58px;height:58px;background:var(--wa);
  border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 22px rgba(37,211,102,.45);
  z-index:200;color:#fff}
.wa-fab:hover{transform:scale(1.06);text-decoration:none}
.wa-fab svg{width:32px;height:32px}

/* utilities */
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.muted{color:var(--muted)}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-photo{max-width:440px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.rev .split-text{order:0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:760px){
  body{font-size:16px}
  .nav-links{position:fixed;inset:70px 0 auto 0;background:var(--surface);flex-direction:column;
    align-items:stretch;padding:14px 24px 22px;gap:2px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);transform:translateY(-130%);transition:transform .28s ease;}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.8em .6em;font-size:1rem}
  .nav-links .btn{margin:8px 0 0;justify-content:center}
  .hamburger{display:block}
  .g-2,.g-3,.g-4,.blog-grid,.related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .route-chip{left:50%;transform:translateX(-50%);bottom:-22px}
  .cta-band{padding:36px 22px}
  section{padding:54px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:4px}

/* scroll reveal (respects reduced-motion via above) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}