/* TSBS Dissertation / Internship Programme – site styles */
:root{
  --deep:#062b25; --forest:#0a3f35; --leaf:#0f5c4d; --mint:#7be3c0;
  --gold:#b8860b; --gold-soft:#e8c25a;
  --ink:#1b2a28; --muted:#55645f; --paper:#f6f9f7; --tint:#eaf3ef; --line:#cfdcd6; --white:#fff;
  --warn-bg:#fff7e0; --warn-line:#e6c766;
  --serif:"Fraunces", Georgia, "Times New Roman", serif;
  --sans:"Public Sans", "Segoe UI", Roboto, Arial, sans-serif;
  --max:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.7;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--leaf);text-underline-offset:3px}
a:hover{color:var(--deep)}
:focus-visible{outline:3px solid var(--gold-soft);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold-soft);color:var(--deep);padding:10px 16px;z-index:200;font-weight:700}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--serif);color:var(--deep);line-height:1.18;margin:0 0 .5em;font-weight:600}
h2{font-size:clamp(28px,4vw,40px)}
h3{font-size:clamp(20px,2.4vw,24px)}
p{margin:0 0 1em}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(6,43,37,.96);backdrop-filter:blur(8px);color:#fff;transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;line-height:1.2}
.brand svg{flex:none}
.brand b{display:block;font-family:var(--serif);font-size:18px;font-weight:600}
.brand span{display:block;font-size:13px;color:#b9d9cd}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding:10px 14px;color:#dcefe8;text-decoration:none;font-size:15.5px;border-radius:4px}
.nav ul a:hover,.nav ul a.active{color:#fff;background:rgba(255,255,255,.1)}
.nav ul a.cta{background:var(--gold-soft);color:var(--deep);font-weight:700}
.nav ul a.cta:hover{background:#f2d27a}
.menu-btn{display:none;background:none;border:1.5px solid rgba(255,255,255,.5);color:#fff;border-radius:4px;padding:8px 14px;font:inherit;font-size:15px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:var(--deep) url("../img/hero.jpg") center/cover no-repeat;padding:clamp(56px,9vw,120px) 0 clamp(48px,7vw,84px)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,43,37,.7),rgba(6,43,37,0) 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero .org{margin:0 0 14px;color:#c6e6da;font-size:16px}
.hero h1{color:#fff;font-size:clamp(36px,6vw,66px);max-width:14ch;margin-bottom:.3em}
.hero .lead{max-width:46ch;font-size:clamp(17px,2vw,20px);color:#e8f5f0;margin-bottom:28px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:13px 26px;border-radius:4px;font-weight:700;text-decoration:none;font-size:16px;border:2px solid transparent;cursor:pointer;font-family:var(--sans)}
.btn-gold{background:var(--gold-soft);color:var(--deep)}
.btn-gold:hover{background:#f2d27a;color:var(--deep)}
.btn-line{border-color:rgba(255,255,255,.7);color:#fff}
.btn-line:hover{background:#fff;color:var(--deep)}
.btn-green{background:var(--leaf);color:#fff}
.btn-green:hover{background:var(--forest);color:#fff}

.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(36px,5vw,60px);border-top:1px solid rgba(255,255,255,.25)}
.hero-facts div{flex:1 1 180px;padding:18px 24px 0 0}
.hero-facts b{display:block;font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:600;color:#fff}
.hero-facts span{font-size:15px;color:#c6e6da}

/* countdown strip */
.deadline{background:var(--gold-soft);color:var(--deep)}
.deadline .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 28px;padding-top:14px;padding-bottom:14px}
.deadline p{margin:0;font-weight:600}
.count{display:flex;gap:18px;font-variant-numeric:tabular-nums}
.count div{text-align:center;min-width:52px}
.count b{display:block;font-family:var(--serif);font-size:28px;line-height:1}
.count span{font-size:13px}

/* ---------- Sections ---------- */
section{padding:clamp(52px,7vw,88px) 0}
.alt{background:var(--paper)}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head p{color:var(--muted);font-size:18px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.two-col.wide-left{grid-template-columns:1.25fr 1fr}

.bullets{margin:0 0 1em;padding-left:1.2em}
.bullets li{margin-bottom:.65em}
.bullets li::marker{color:var(--leaf);font-weight:700}

.panel{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:28px}
.alt .panel{background:var(--white)}
.panel h3{margin-bottom:.6em}
.outcomes{counter-reset:o;list-style:none;margin:0;padding:0}
.outcomes li{counter-increment:o;position:relative;padding-left:44px;margin-bottom:16px}
.outcomes li::before{content:counter(o);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--leaf);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}

/* accordion */
details{border:1px solid var(--line);border-radius:8px;background:var(--white);margin-bottom:12px}
details[open]{border-color:var(--leaf)}
summary{cursor:pointer;padding:18px 22px;font-family:var(--serif);font-size:20px;font-weight:600;color:var(--deep);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--sans);font-size:26px;color:var(--leaf);line-height:1;flex:none}
details[open] summary::after{content:"\2212"}
details .body{padding:0 22px 8px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px;padding:0;list-style:none}
.chips a{display:inline-block;padding:10px 20px;border:2px solid var(--leaf);border-radius:999px;font-weight:700;text-decoration:none;color:var(--leaf);background:var(--white)}
.chips a:hover{background:var(--leaf);color:#fff}
.note-line{color:var(--muted)}

/* research areas */
.areas{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;list-style:none;margin:0;padding:0}
.areas li{background:var(--white);border:1px solid var(--line);border-left:6px solid var(--leaf);border-radius:0 8px 8px 0;padding:18px 20px;font-family:var(--serif);font-size:20px;font-weight:600;color:var(--deep)}
.areas li:nth-child(3n+2){border-left-color:var(--gold)}

/* timeline (a real sequence, so numbered) */
.steps{list-style:none;margin:0;padding:0;position:relative;max-width:820px}
.steps::before{content:"";position:absolute;left:23px;top:8px;bottom:8px;width:3px;background:var(--line)}
.steps li{position:relative;padding:0 0 30px 74px}
.steps li:last-child{padding-bottom:0}
.steps .m{position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;background:var(--forest);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:600;font-size:20px;border:4px solid var(--white)}
.alt .steps .m{border-color:var(--paper)}
.steps .m.range{font-size:16px;letter-spacing:-.02em}
.steps h3{margin:2px 0 4px;font-size:21px}
.steps p{margin:0;color:var(--muted)}
.steps .when{display:block;font-weight:700;color:var(--gold);font-size:15px;margin-bottom:2px}

/* cost cards */
.cost{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.cost .panel b.price{display:block;font-family:var(--serif);font-size:clamp(30px,4vw,42px);color:var(--leaf);line-height:1.1;margin-bottom:6px}

/* dates table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--white)}
table{border-collapse:collapse;width:100%;min-width:480px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td,tr:last-child th{border-bottom:0}
thead th{background:var(--tint);color:var(--deep);font-weight:700}
td.date{white-space:nowrap;font-weight:700;color:var(--deep)}

.nb{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:8px;padding:22px 26px;margin-top:24px}
.nb h3{font-size:19px;margin-bottom:8px}
.nb ul{margin:0;padding-left:1.2em}
.nb li{margin-bottom:.5em}

.apply-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-bottom:34px}
.apply-steps .panel p{margin:0}
.apply-steps .panel h3{font-size:20px}

.sign{margin-top:36px;text-align:right}
.sign b{display:block;font-family:var(--serif);font-size:20px;color:var(--deep)}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:#c6e6da;padding:46px 0 28px;font-size:15.5px}
.site-footer h3{color:#fff;font-size:20px}
.site-footer a{color:var(--gold-soft)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;margin-bottom:28px}
.copy{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:14px;color:#9fc7b8}

/* ---------- Application form page ---------- */
.page-head{background:var(--forest);color:#fff;padding:44px 0}
.page-head h1{color:#fff;font-size:clamp(30px,5vw,46px);margin-bottom:.2em}
.page-head p{margin:0;color:#c6e6da}
.form-card{max-width:900px;margin:36px auto 60px;background:#fff;border:2px solid var(--leaf);border-radius:10px;padding:clamp(20px,4vw,40px)}
.form-card h2{text-align:center;font-size:clamp(24px,3.4vw,32px);margin-bottom:.1em}
.form-card .sub{text-align:center;color:var(--muted);margin-bottom:26px}
.field{display:grid;grid-template-columns:260px 1fr;gap:6px 18px;align-items:center;margin-bottom:14px}
.field label{font-weight:700;color:var(--deep)}
input[type=text],input[type=email],input[type=tel],input[type=date]{width:100%;font:inherit;padding:10px 12px;border:1.5px solid var(--line);border-radius:4px;background:#fcfdfc}
input:focus{outline:3px solid rgba(15,92,77,.25);border-color:var(--leaf)}
.edu{width:100%;min-width:760px}
.edu input{padding:8px 10px;font-size:15px}
.edu th{font-size:15px}
.yn{display:flex;gap:22px;align-items:center}
.yn label{font-weight:400;display:flex;gap:6px;align-items:center}
.small{font-size:15px;color:var(--muted);font-style:italic}
.sigline{margin-top:54px;text-align:right;font-weight:700;border-top:1px solid var(--ink);width:260px;margin-left:auto;padding-top:6px;text-align:center}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.send-to{background:var(--tint);border-radius:8px;padding:18px 22px;margin-top:26px;font-size:16px}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .two-col,.two-col.wide-left,.foot-grid{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;left:0;right:0;top:68px;background:var(--deep);flex-direction:column;padding:10px 22px 18px;gap:2px;box-shadow:0 12px 20px rgba(0,0,0,.25)}
  .nav ul.open{display:flex}
  .nav{position:relative}
  .field{grid-template-columns:1fr}
}
@media (max-width:520px){
  body{font-size:16px}
  .brand span{display:none}
  .count{gap:10px}
  .count b{font-size:24px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none !important}}

/* ---------- Print (application form) ---------- */
@media print{
  .site-header,.page-head,.site-footer,.form-actions,.send-to,.skip{display:none !important}
  body{font-size:12pt}
  .form-card{border:0;margin:0;padding:0;max-width:none}
  input{border:0;border-bottom:1px solid #000;border-radius:0;background:none;padding:2px 0}
  .field{grid-template-columns:240px 1fr}
}

/* photos */
.photo-side,.photo-band{margin:0 0 24px}
.photo-side img{display:block;width:100%;height:240px;object-fit:cover;border-radius:8px}
.photo-band img{display:block;width:100%;height:clamp(180px,30vw,340px);object-fit:cover;object-position:center 40%;border-radius:8px}
figcaption{font-size:13px;color:#5a6b66;margin-top:6px}
figcaption a{color:inherit}
@media print{.photo-side,.photo-band{display:none}}

/* logo */
.brand .logo{height:44px;width:auto;background:#fff;border-radius:6px;padding:3px 6px;flex:none}
@media(max-width:860px){.brand .logo{height:38px}}

/* header fit fixes */
.nav{gap:16px}
.brand{flex:none;gap:10px}
.brand b{font-size:17px;white-space:nowrap}
.brand span{white-space:nowrap;font-size:12.5px}
.nav ul{align-items:center;gap:2px}
.nav ul a{white-space:nowrap;padding:8px 11px;font-size:15px;line-height:1.3}
.nav ul a.cta{padding:9px 16px;margin-left:6px}
@media(max-width:1180px){.brand span{display:none}}

/* prominent logo */
.nav{min-height:88px}
.brand .logo{height:68px;padding:4px 8px;border-radius:8px}
.brand > div{display:none}
.nav ul{top:88px}
@media(max-width:860px){
  .nav{min-height:72px}
  .brand .logo{height:52px}
  .nav ul{top:72px}
}

/* ---------- Header redesign: light header over the green hero ---------- */
.site-header{background:rgba(255,255,255,.97);color:var(--deep);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(6,43,37,.04)}
.site-header.scrolled{box-shadow:0 6px 20px rgba(6,43,37,.12)}
.brand .logo{background:none;padding:0;border-radius:0;height:64px}
.nav ul a{color:var(--deep);font-weight:600}
.nav ul a:hover,.nav ul a.active{color:var(--leaf);background:var(--tint)}
.nav ul a.cta{background:var(--leaf);color:#fff;border-radius:999px;padding:10px 20px}
.nav ul a.cta:hover{background:var(--deep);color:#fff}
.menu-btn{color:var(--deep);border-color:var(--leaf)}
@media(max-width:860px){
  .brand .logo{height:50px}
  .nav ul{background:#fff;box-shadow:0 12px 20px rgba(6,43,37,.18);border-top:1px solid var(--line)}
}

/* ---------- About: modern layout ---------- */
.eyebrow{display:inline-block;font:700 12.5px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--leaf);background:var(--tint);padding:8px 14px;border-radius:999px;margin-bottom:18px}
.about{background:linear-gradient(180deg,#fff 0,var(--paper) 100%);position:relative;overflow:hidden}
.about::before{content:"";position:absolute;right:-160px;top:-160px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(123,227,192,.28),transparent 70%);pointer-events:none}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:start;position:relative}
.about-text h2{font-size:clamp(34px,5vw,54px);line-height:1.08;margin-bottom:.5em}
.about-text h2 em{font-style:italic;color:var(--leaf)}
.about-text p{color:#33433f;max-width:62ch}
.about-text .lead-p{font-size:20px;line-height:1.65;color:var(--deep);font-weight:500;padding-left:18px;border-left:4px solid var(--gold-soft);margin-bottom:1.4em}
.about-visual{position:sticky;top:110px}
.about-visual .photo-side{margin:0}
.about-visual .photo-side img{height:clamp(320px,40vw,460px);border-radius:24px;box-shadow:0 24px 50px -20px rgba(6,43,37,.45)}
.stat-card{list-style:none;margin:-48px 24px 0;padding:18px 8px;position:relative;display:grid;grid-template-columns:repeat(3,1fr);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid rgba(15,92,77,.15);border-radius:18px;box-shadow:0 18px 40px -18px rgba(6,43,37,.4)}
.stat-card li{text-align:center;padding:2px 6px}
.stat-card li+li{border-left:1px solid var(--line)}
.stat-card b{display:block;font:600 clamp(20px,2.6vw,28px)/1.1 var(--serif);color:var(--leaf)}
.stat-card span{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

.objectives{margin-top:clamp(48px,6vw,80px);position:relative}
.obj-head{margin-bottom:26px}
.obj-head h3{font-size:clamp(26px,3.4vw,36px);margin:0}
.obj-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.obj-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 20px;transition:transform .2s,box-shadow .2s,border-color .2s}
.obj-card:hover{transform:translateY(-4px);box-shadow:0 18px 32px -18px rgba(6,43,37,.35);border-color:var(--leaf)}
.obj-card p{margin:0;font-size:15.5px;line-height:1.6;color:#33433f}
.obj-ico{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--leaf),var(--forest));color:var(--mint);margin-bottom:14px}
@media(max-width:1000px){.obj-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}.about-visual{position:static;order:-1}}
@media(max-width:520px){.obj-grid{grid-template-columns:1fr}.stat-card{margin:-36px 12px 0}}

/* About: balanced layout (no blank column) */
.about-grid{align-items:center}
.about-visual{position:static}
.about-visual .photo-side img{height:clamp(280px,34vw,400px)}
.about-cols{column-count:2;column-gap:clamp(28px,5vw,64px);margin-top:clamp(32px,4vw,52px);padding-top:clamp(28px,4vw,44px);border-top:1px solid var(--line)}
.about-cols p{break-inside:avoid;color:#33433f;max-width:none}
@media(max-width:860px){.about-cols{column-count:1}}

/* ---------- Outcomes + guidelines ---------- */
.outcomes-sec{background:radial-gradient(900px 400px at 90% -10%,rgba(123,227,192,.18),transparent 60%),linear-gradient(160deg,var(--deep),var(--forest));color:#fff}
.outcomes-sec h2,.outcomes-sec h3{color:#fff}
.eyebrow.dark{background:rgba(255,255,255,.1);color:var(--mint)}
.out-head{max-width:720px;margin-bottom:32px}
.out-head p{color:#b9d9cd;font-size:18px;margin:0}
.out-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:18px;counter-reset:none}
.out-grid li{grid-column:span 2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px 24px;backdrop-filter:blur(6px);transition:transform .2s,background .2s}
.out-grid li:nth-child(4){grid-column:2 / span 2}
.out-grid li:nth-child(5){grid-column:4 / span 2}
.out-grid li:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.o-num{display:block;font:600 40px/1 var(--serif);color:var(--gold-soft);margin-bottom:14px}
.out-grid p{margin:0;font-size:16px;line-height:1.6;color:#e3f3ec}

.guide{margin-top:clamp(52px,7vw,88px)}
.g-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g-card{background:#fff;color:var(--ink);border-radius:22px;padding:28px 26px;box-shadow:0 24px 40px -24px rgba(0,0,0,.5)}
.g-card h3{color:var(--deep);font-size:22px;margin-bottom:.7em}
.g-card ul{margin:0;padding-left:1.1em;font-size:15.5px;line-height:1.6;color:#33433f}
.g-card li{margin-bottom:.6em}
.g-card li::marker{color:var(--leaf)}
.g-ico{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--tint);color:var(--leaf);margin-bottom:16px}
@media(max-width:1000px){
  .out-grid{grid-template-columns:repeat(2,1fr)}
  .out-grid li,.out-grid li:nth-child(4),.out-grid li:nth-child(5){grid-column:auto}
  .g-grid{grid-template-columns:1fr}
}
@media(max-width:560px){.out-grid{grid-template-columns:1fr}}

/* guidelines accordion */
.g-grid{grid-template-columns:1fr;max-width:900px;gap:14px}
.g-acc{background:#fff;color:var(--ink);border:0;border-radius:18px;margin:0;box-shadow:0 18px 36px -24px rgba(0,0,0,.5)}
.g-acc summary{padding:18px 22px;gap:16px;justify-content:flex-start;font-size:21px;color:var(--deep)}
.g-acc summary span:not(.g-ico){flex:1}
.g-acc .g-ico{margin:0;flex:none}
.g-acc .body{padding:0 26px 22px 84px}
.g-acc .body ul{margin:0;padding-left:1.1em;font-size:15.5px;line-height:1.6;color:#33433f}
.g-acc .body li{margin-bottom:.6em}
.g-acc .body li::marker{color:var(--leaf)}
@media(max-width:560px){.g-acc .body{padding-left:26px}}

/* guidelines: full width */
.g-grid{max-width:none}
.g-acc .body{padding-right:40px}