/* ===== UK Math Olympiads — shared styles ===== */
:root{
  --navy:#0E1F3D;
  --navy-light:#1A3260;
  --navy-mid:#142848;
  --gold:#D4A017;
  --gold-bright:#F0C040;
  --gold-soft:#F5E9C8;
  --cream:#FAF8F4;
  --white:#FFFFFF;
  --grey:#64748B;
  --line:#E2DDD6;
  --green:#1E7A4E;
  --red:#C0392B;
  --radius:12px;
  --shadow:0 4px 24px rgba(14,31,61,.10);
  --shadow-lg:0 12px 48px rgba(14,31,61,.18);
  font-size:16px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:'Inter',-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--navy);
  background:var(--cream);
  line-height:1.65;
}
h1,h2,h3,h4{
  font-family:'Lexend',Inter,sans-serif;
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.02em;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 28px;}

/* ---- Header ---- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(14,31,61,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(212,160,23,.3);
  color:#fff;
}
header.site .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:70px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;flex-direction:column;gap:2px;}
.brand-tagline{
  font-size:.72rem;font-weight:500;color:var(--gold);letter-spacing:.03em;
  padding-left:46px;opacity:.9;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Lexend',sans-serif;font-weight:700;font-size:1.2rem;color:#fff;
  letter-spacing:-.01em;
}
.logo .mark{width:36px;height:36px;flex-shrink:0;display:block;}
.logo .mark img{width:100%;height:100%;display:block;}
nav.main{display:flex;gap:26px;align-items:center;}
nav.main a{font-size:.9rem;color:rgba(255,255,255,.75);transition:color .15s;letter-spacing:.01em;}
nav.main a:hover{color:#fff;}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:8px;font-weight:600;font-size:.9rem;
  border:1.5px solid transparent;cursor:pointer;transition:all .18s;
  letter-spacing:.01em;
}
.btn-gold{background:var(--gold);color:var(--navy);}
.btn-gold:hover{background:#c49015;transform:translateY(-1px);box-shadow:0 6px 18px rgba(212,160,23,.4);}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);}
.btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.3);
  padding:12px 20px;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-light);transform:translateY(-1px);}
.nav-actions{display:flex;gap:10px;align-items:center;}

/* ---- Hero — full-screen photo ---- */
.hero{
  position:relative;
  min-height:0;
  display:flex;align-items:flex-start;
  overflow:hidden;
  color:#fff;
}
.hero-photo{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center 28%;
  z-index:0;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(105deg,rgba(10,18,36,.92) 0%,rgba(14,31,61,.82) 46%,rgba(14,31,61,.55) 100%),
    radial-gradient(ellipse 80% 60% at 90% 40%,rgba(212,160,23,.18),transparent 60%);
}
.hero .container{position:relative;z-index:2;width:100%;}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;
  align-items:start;padding:0 0 48px;
}
.hero-left{margin-top:-76px;}
.hero-right{display:flex;flex-direction:column;margin-top:-76px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(212,160,23,.15);border:1px solid rgba(212,160,23,.35);
  color:var(--gold);border-radius:99px;padding:7px 16px;font-size:.8rem;
  font-weight:600;letter-spacing:.04em;margin-bottom:8px;align-self:flex-start;
}
.hero-badge img{width:18px;height:18px;}
.hero h1{
  font-size:clamp(2.6rem,5vw,4rem);
  line-height:1.08;letter-spacing:-.03em;
  margin-bottom:16px;
  font-weight:800;
}
.gold-text{color:var(--gold);}
.hero-tagline{
  font-size:1.08rem;font-weight:600;color:rgba(255,255,255,.9);
  margin-bottom:20px;letter-spacing:.005em;
}
.hero-lead{color:rgba(200,210,228,.85);font-size:1.05rem;max-width:48ch;margin-bottom:34px;line-height:1.7;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px;}
.hero-trust{
  display:flex;gap:20px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(200,210,228,.7);font-weight:500;
}
.hero-trust span{display:flex;align-items:center;gap:5px;}

/* Hero card (stats) */
.hero-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(16px);
  border-radius:18px;padding:30px;
  color:#fff;
}
.hero-card h3{font-size:1rem;margin-top:0;margin-bottom:18px;color:#fff;font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.78rem;}
.stat-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.1);padding:13px 0;}
.stat-row:last-child{border-bottom:none;}
.stat-row-tight{padding:1px 0;}
.stat-row .num{font-weight:800;color:var(--gold);font-family:'Lexend',sans-serif;font-size:1.15rem;}
.stat-row .lbl{color:rgba(200,210,228,.8);font-size:.88rem;max-width:22ch;}
.coverage-title{
  font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;
  color:#fff;font-weight:800;margin:18px 0 4px;
}
.coverage-list{list-style:none;}
.coverage-list li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;font-size:.88rem;color:rgba(200,210,228,.9);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.coverage-list li:last-child{border-bottom:none;}
.coverage-list .check{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:50%;flex-shrink:0;
  background:var(--gold);color:var(--navy);
  font-size:.78rem;font-weight:800;
}

/* ---- Stat strip ---- */
.stat-strip{
  position:relative;overflow:hidden;
  background:var(--navy-mid);
  border-top:1px solid rgba(212,160,23,.25);
  border-bottom:1px solid rgba(212,160,23,.12);
  color:#fff;
}
.stat-strip .container{padding-top:48px;padding-bottom:48px;}
.stat-strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat-strip-grid > div{
  padding:0 32px;
  border-right:1px solid rgba(255,255,255,.1);
}
.stat-strip-grid > div:first-child{padding-left:0;}
.stat-strip-grid > div:last-child{border-right:none;}
.stat-strip .big{
  display:block;font-family:'Lexend',sans-serif;font-weight:800;font-size:2.4rem;
  color:var(--gold);letter-spacing:-.03em;margin-bottom:8px;
}
.stat-strip .cap{display:block;font-size:.84rem;color:rgba(200,210,228,.75);line-height:1.5;}

/* ---- Eyebrow ---- */
.eyebrow{
  display:inline-block;
  background:rgba(212,160,23,.14);color:#9A7A1E;
  padding:6px 14px;border-radius:99px;font-size:.77rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;
}
.hero .eyebrow,.dark .eyebrow{background:rgba(212,160,23,.18);color:var(--gold);}

/* ---- Sections ---- */
section{padding:90px 0;}
.section-head{max-width:660px;margin:0 auto 52px;text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px;color:var(--navy);}
.section-head p{color:var(--grey);font-size:1rem;line-height:1.7;}
.alt{background:var(--white);}

/* ---- Feature cards ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:all .2s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:.25s;border-radius:3px 3px 0 0;
}
.card:hover::before{transform:scaleX(1);}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:rgba(212,160,23,.2);}
.card .icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-light));
  color:var(--gold);display:flex;align-items:center;justify-content:center;
  font-weight:800;margin-bottom:18px;font-family:'Lexend',sans-serif;font-size:1.1rem;
}
.card h3{font-size:1.05rem;margin-bottom:10px;color:var(--navy);}
.card p{color:var(--grey);font-size:.93rem;line-height:1.65;}
.tag{
  display:inline-block;font-size:.75rem;font-weight:700;color:var(--navy);
  background:var(--gold-soft);padding:4px 12px;border-radius:99px;margin-bottom:12px;
  letter-spacing:.02em;
}

/* ---- Split section (photo + text) ---- */
.split-section{background:var(--navy);color:#fff;padding:90px 0;}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.split-text .eyebrow{background:rgba(212,160,23,.18);color:var(--gold);}
.split-text h2{font-size:clamp(1.8rem,3vw,2.4rem);color:#fff;margin-bottom:18px;}
.split-text p{color:rgba(200,210,228,.8);font-size:1rem;line-height:1.7;margin-bottom:20px;}
.split-photo{position:relative;}
.split-photo img{
  width:100%;height:440px;object-fit:cover;
  border-radius:18px;
  box-shadow:0 24px 64px rgba(0,0,0,.45);
}
.split-photo::before{
  content:"";position:absolute;
  inset:-12px;border-radius:24px;
  border:1.5px solid rgba(212,160,23,.3);
  pointer-events:none;z-index:-1;
}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.feature-item{
  display:flex;align-items:flex-start;gap:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:10px;padding:16px;
}
.feature-item .fi-icon{
  width:36px;height:36px;flex-shrink:0;
  background:rgba(212,160,23,.2);border-radius:8px;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.feature-item h4{font-size:.93rem;color:#fff;margin-bottom:3px;font-weight:600;}
.feature-item p{font-size:.85rem;color:rgba(200,210,228,.7);line-height:1.5;}

/* ---- Tutor cards ---- */
.tutor{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .2s;
}
.tutor:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.tutor .photo{
  height:190px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);
  display:flex;align-items:center;justify-content:center;
}
.tutor .photo::after{
  content:"";position:absolute;inset:0;
  background:url('assets/avatar-pattern.svg') center/cover;
  opacity:.35;
}
.tutor .photo .initials{
  position:relative;z-index:1;
  width:76px;height:76px;border-radius:50%;
  background:rgba(255,255,255,.1);
  border:2px solid rgba(212,160,23,.6);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);font-family:'Lexend',sans-serif;font-weight:800;font-size:1.5rem;
  letter-spacing:.04em;backdrop-filter:blur(4px);
}
.tutor .body{padding:22px;}
.tutor h3{font-size:1rem;margin-bottom:4px;}
.tutor .role{color:var(--gold);font-size:.83rem;font-weight:600;margin-bottom:10px;letter-spacing:.01em;}
.tutor p{color:var(--grey);font-size:.9rem;line-height:1.6;}
.medal-row{display:flex;gap:6px;margin-top:14px;flex-wrap:wrap;}
.medal{
  font-size:.73rem;background:var(--cream);border:1px solid var(--line);
  border-radius:99px;padding:4px 11px;color:var(--navy);font-weight:500;
}

/* ---- Testimonials ---- */
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;position:relative;
  border-top:3px solid var(--gold);
}
.quote-card::before{
  content:'"';font-family:'Lexend',sans-serif;font-size:5rem;
  color:var(--gold);opacity:.18;position:absolute;top:-4px;left:18px;
  line-height:1;font-weight:800;pointer-events:none;
}
.quote-card p{
  font-style:italic;color:var(--navy);margin-bottom:18px;
  font-size:.97rem;line-height:1.7;padding-top:20px;
}
.quote-card .who{font-size:.84rem;color:var(--grey);font-weight:600;font-style:normal;}

/* ---- CTA Band ---- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;text-align:center;color:#fff;
  min-height:300px;display:flex;align-items:center;justify-content:center;
}
.cta-photo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 40%;z-index:0;
}
.cta-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(120deg,rgba(14,31,61,.88),rgba(26,50,96,.82));
}
.cta-content{
  position:relative;z-index:2;padding:58px 40px;max-width:680px;
}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:12px;}
.cta-band p{color:rgba(200,210,228,.85);margin-bottom:28px;font-size:1rem;line-height:1.65;}

/* ---- Pricing ---- */
.price-card{
  background:var(--white);border:1px solid var(--line);border-radius:16px;
  padding:36px;text-align:center;position:relative;transition:all .2s;
}
.price-card.feat{border:2px solid var(--gold);box-shadow:var(--shadow-lg);}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.price-card .ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:var(--navy);font-size:.73rem;font-weight:700;
  padding:5px 16px;border-radius:99px;white-space:nowrap;
}
.price-card .amount{font-family:'Lexend',sans-serif;font-size:2.5rem;font-weight:800;margin:14px 0 4px;letter-spacing:-.03em;}
.price-card .amount span{font-size:.9rem;color:var(--grey);font-weight:400;}
.price-card ul{list-style:none;text-align:left;margin:22px 0;color:var(--navy);font-size:.91rem;}
.price-card li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center;}
.price-card li::before{content:"✓";color:var(--green);font-weight:700;flex-shrink:0;}
.price-card li:last-child{border:none;}

/* ---- Footer ---- */
footer.site{
  background:linear-gradient(160deg,#090F1E,var(--navy-mid));
  color:#A0ABBE;padding:60px 0 30px;margin-top:50px;
  border-top:1px solid rgba(212,160,23,.2);
}
footer.site .grid-4{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
footer.site h4{color:#fff;font-size:.88rem;margin-bottom:16px;letter-spacing:.04em;text-transform:uppercase;}
footer.site a{display:block;color:#A0ABBE;font-size:.88rem;margin-bottom:10px;transition:color .15s;}
footer.site a:hover{color:var(--gold);}
footer.site .bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:24px;
  font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ---- Motto ---- */
.motto{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Lexend',sans-serif;font-weight:600;font-size:1rem;color:var(--gold);
  letter-spacing:.01em;margin-bottom:18px;
}
.motto::before{content:"";width:22px;height:2px;background:var(--gold);display:inline-block;border-radius:2px;}

/* ---- Forms / portal ---- */
.input{
  width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:8px;font-size:.94rem;
  font-family:inherit;color:var(--navy);background:var(--white);transition:border .15s;
}
.input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,160,23,.15);}
label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--navy);}
.field{margin-bottom:20px;}

.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;padding:24px;
}
.auth-wrap-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.auth-wrap-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(160deg,rgba(9,15,30,.93),rgba(26,50,96,.88));
}
.auth-card{
  background:var(--white);border-radius:18px;padding:44px;max-width:440px;width:100%;
  box-shadow:0 24px 64px rgba(0,0,0,.35);position:relative;z-index:2;
}
.auth-card .logo{color:var(--navy);justify-content:center;margin-bottom:6px;}
.auth-card h1{font-size:1.45rem;text-align:center;margin-bottom:6px;}
.auth-card p.sub{text-align:center;color:var(--grey);font-size:.92rem;margin-bottom:28px;}
.demo-note{
  background:var(--gold-soft);border-radius:8px;padding:12px 15px;
  font-size:.83rem;color:#7A5F18;margin-top:18px;
}

/* ---- App shell (portal/admin) ---- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:240px;background:var(--navy);color:#D9DEEC;padding:26px 18px;flex-shrink:0;
}
.sidebar .logo{color:#fff;margin-bottom:34px;padding:0 8px;}
.sidebar a{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:8px;
  font-size:.91rem;margin-bottom:4px;color:#C9D0E2;transition:all .15s;
}
.sidebar a.active,.sidebar a:hover{background:rgba(255,255,255,.09);color:#fff;}
.sidebar .role{
  margin-top:auto;font-size:.77rem;color:#8C97B8;padding:14px 12px;
  border-top:1px solid rgba(255,255,255,.1);margin-top:20px;
}
.app-main{flex:1;background:var(--cream);}
.topbar{
  background:var(--white);border-bottom:1px solid var(--line);padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.topbar h1{font-size:1.2rem;}
.avatar{
  width:38px;height:38px;border-radius:99px;background:var(--gold);color:var(--navy);
  display:flex;align-items:center;justify-content:center;font-weight:800;
  font-size:.88rem;font-family:'Lexend',sans-serif;
}
.app-content{padding:32px;}
.panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin-bottom:24px;
}
.panel h2{font-size:1.08rem;margin-bottom:18px;}
table{width:100%;border-collapse:collapse;font-size:.91rem;}
table th{
  text-align:left;color:var(--grey);font-weight:600;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.05em;padding:10px 14px;border-bottom:1px solid var(--line);
}
table td{padding:14px;border-bottom:1px solid var(--line);}
table tr:last-child td{border-bottom:none;}
.badge{display:inline-block;font-size:.76rem;font-weight:700;padding:4px 11px;border-radius:99px;}
.badge.upcoming{background:#E8F0FD;color:#1D5BBF;}
.badge.due{background:#FEF0E4;color:#B5560B;}
.badge.submitted{background:#E2F4EC;color:var(--green);}
.badge.graded{background:var(--gold-soft);color:#8A6B10;}
.badge.late{background:#FDE8E4;color:var(--red);}
.lesson-row{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);}
.lesson-row:last-child{border:none;}
.lesson-date{width:64px;text-align:center;background:var(--cream);border-radius:8px;padding:10px 6px;flex-shrink:0;}
.lesson-date .day{font-family:'Lexend',sans-serif;font-weight:700;font-size:1.2rem;color:var(--navy);}
.lesson-date .mon{font-size:.7rem;color:var(--grey);text-transform:uppercase;}
.lesson-info h4{font-size:.95rem;margin-bottom:3px;}
.lesson-info p{font-size:.84rem;color:var(--grey);}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;}
.tab{padding:11px 18px;font-size:.88rem;font-weight:600;color:var(--grey);border-bottom:2.5px solid transparent;cursor:pointer;transition:all .15s;}
.tab.active{color:var(--navy);border-color:var(--gold);}
.upload-box{
  border:2px dashed var(--line);border-radius:10px;padding:30px;
  text-align:center;color:var(--grey);font-size:.9rem;transition:border-color .15s;
}
.upload-box:hover{border-color:var(--gold);}
.upload-box strong{color:var(--navy);}
.progress{height:7px;background:var(--cream);border-radius:99px;overflow:hidden;}
.progress > span{display:block;height:100%;background:var(--gold);border-radius:99px;}

/* ---- Responsive ---- */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-left{margin-top:0;}
  .hero-right{margin-top:0;}
  .hero-card{max-width:520px;}
  .split-grid{grid-template-columns:1fr;}
  .split-photo{order:-1;}
  .split-photo img{height:300px;}
}
@media(max-width:880px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stat-strip-grid{grid-template-columns:1fr 1fr;}
  .stat-strip-grid > div{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 0;}
  nav.main{display:none;}
  footer.site .grid-4{grid-template-columns:1fr 1fr;}
  .app-shell{flex-direction:column;}
  .sidebar{width:100%;}
  .hero{min-height:auto;}
}