/* ==========================================================================
   Erican Language Centre — CONCEPT B (v2): "Global Student"
   Bold, photography-led, aspirational. Built for international students 16-24.
   Native CSS. Brand: navy + vivid red + yellow. High-contrast, energetic.
   ========================================================================== */

:root{
  --navy:#161a4d;
  --navy-2:#10133a;
  --navy-3:#0a0c28;
  --ink:#13163a;
  --red:#ff3b30;
  --red-2:#e92b20;
  --yellow:#ffd21f;
  --body:#4a4f6e;
  --muted:#7b8099;
  --paper:#ffffff;
  --paper-2:#f5f6fb;
  --paper-3:#eceef6;
  --line:#e6e8f2;
  --line-d:rgba(255,255,255,.14);

  --maxw:1280px;
  --gutter:clamp(18px,5vw,48px);
  --r:14px;
  --r-lg:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 22px 60px rgba(16,19,58,.16);
  --shadow-sm:0 10px 30px rgba(16,19,58,.10);
  --font-display:'Sora',system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:'DM Sans',system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
*{margin:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--font-body);background:var(--paper);color:var(--body);line-height:1.65;font-size:17px;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img,svg{display:block;max-width:100%;height:auto;}
a{color:var(--red);text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.06;font-weight:700;letter-spacing:-.02em;overflow-wrap:break-word;}
p{overflow-wrap:break-word;}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(56px,9vw,118px);position:relative;}
.section--dark{background:var(--navy);color:#c7cbe8;}
.section--paper{background:var(--paper-2);}
.eyebrow{font-family:var(--font-display);font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--red);display:inline-block;margin-bottom:16px;}
.section--dark .eyebrow{color:var(--yellow);}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--font-display);font-weight:600;font-size:1rem;line-height:1;padding:15px 28px;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s;text-align:center;}
.btn:hover{transform:translateY(-3px);}
.btn:active{transform:translateY(-1px);}
.btn--primary{background:var(--red);color:#fff;}
.btn--primary:hover{background:var(--red-2);color:#fff;box-shadow:0 16px 38px rgba(255,59,48,.34);}
.btn--yellow{background:var(--yellow);color:var(--navy-3);}
.btn--yellow:hover{background:#ffc400;color:var(--navy-3);box-shadow:0 16px 38px rgba(255,210,31,.32);}
.btn--navy{background:var(--navy);color:#fff;}
.btn--navy:hover{background:var(--navy-2);color:#fff;}
.btn--light{background:#fff;color:var(--navy);}
.btn--light:hover{background:var(--yellow);color:var(--navy-3);}
.btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn--outline:hover{background:#fff;color:var(--navy);border-color:#fff;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ---- Header ---- */
.hdr{position:sticky;top:0;z-index:100;background:rgba(13,16,48,.42);backdrop-filter:blur(12px) saturate(140%);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s;}
.hdr.is-scrolled{background:rgba(13,16,48,.94);}
.hdr .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;}
.brand img{height:36px;}
.nav-menu .inner{display:flex;align-items:center;gap:6px;}
.nav-links{list-style:none;display:flex;gap:2px;padding:0;margin:0;}
.nav-links a{display:inline-block;font-family:var(--font-display);font-weight:500;font-size:.94rem;color:#eceefb;padding:10px 14px;border-radius:8px;transition:color .2s,background .2s;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.mobile-cta{display:none;}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);border-radius:10px;cursor:pointer;padding:0;align-items:center;justify-content:center;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s var(--ease),opacity .2s;position:relative;}
.nav-toggle span::before{position:absolute;top:-7px;}
.nav-toggle span::after{position:absolute;top:7px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg);}

/* ---- Hero (full-bleed photo) ---- */
.hero{position:relative;margin-top:-74px;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden;isolation:isolate;}
.hero__media{position:absolute;inset:0;z-index:-2;}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 28%;animation:heroZoom 16s var(--ease) both;}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,rgba(10,12,40,.92) 0%,rgba(10,12,40,.74) 38%,rgba(10,12,40,.32) 72%,rgba(10,12,40,.5) 100%);}
.hero__inner{padding-top:120px;padding-bottom:60px;max-width:760px;}
.hero h1{color:#fff;font-size:clamp(2.7rem,7.4vw,5.3rem);letter-spacing:-.03em;}
.hero h1 .hl{color:var(--yellow);}
.hero__sub{margin-top:20px;font-size:clamp(1.08rem,2.4vw,1.35rem);color:#d9dcf3;max-width:44ch;}
.hero .btn-row{margin-top:32px;}
.hero__flag{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 16px;border-radius:999px;font-family:var(--font-display);font-weight:500;font-size:.86rem;color:#fff;margin-bottom:22px;}
.hero__flag b{color:var(--yellow);}
@keyframes heroZoom{from{transform:scale(1.1);}to{transform:scale(1);}}

/* ---- Stat strip (overlaps hero) ---- */
.statbar{margin-top:-58px;position:relative;z-index:5;}
.statbar__inner{background:var(--navy);border-radius:var(--r-lg);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;}
.sb{padding:clamp(22px,3vw,34px) 22px;border-right:1px solid var(--line-d);}
.sb:last-child{border-right:0;}
.sb__num{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,4.6vw,2.8rem);color:#fff;line-height:1;}
.sb__num .y{color:var(--yellow);}
.sb__label{margin-top:8px;color:#a8ace0;font-size:.92rem;}

/* ---- Section heads ---- */
.shead{max-width:720px;margin-bottom:clamp(30px,4vw,52px);}
.shead--center{margin-inline:auto;text-align:center;}
.shead h2{font-size:clamp(2rem,4.8vw,3.2rem);}
.shead p{margin-top:14px;font-size:1.1rem;color:var(--muted);}
.section--dark .shead h2{color:#fff;}
.section--dark .shead p{color:#b6bae0;}
.shead--center .eyebrow{display:block;}

/* ---- Value split ---- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center;}
.split--rev .split__media{order:2;}
.split__media{position:relative;}
.split__media img{width:100%;border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow);}
.split__media .tagimg{position:absolute;left:-14px;bottom:-16px;background:var(--red);color:#fff;border-radius:14px;padding:14px 18px;font-family:var(--font-display);box-shadow:var(--shadow);max-width:210px;}
.split__media .tagimg b{font-size:1.4rem;display:block;line-height:1;}
.split__media .tagimg span{font-size:.8rem;opacity:.92;}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px;}
.checks li{position:relative;padding-left:36px;color:var(--body);}
.checks li b{color:var(--ink);}
.checks li::before{content:"";position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:7px;background:var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat;}

/* ---- Programmes (modern asymmetric grid) ---- */
.progs{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,2vw,22px);}
.pg{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff;isolation:isolate;transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.pg:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.pg__bg{position:absolute;inset:0;z-index:-2;}
.pg__bg img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.pg:hover .pg__bg img{transform:scale(1.06);}
.pg::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,12,40,.1),rgba(10,12,40,.86));}
.pg__code{font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--yellow);margin-bottom:8px;}
.pg h3{color:#fff;font-size:1.4rem;margin-bottom:6px;}
.pg p{color:#dcdef4;font-size:.96rem;max-width:40ch;}
.pg__more{margin-top:14px;font-family:var(--font-display);font-weight:600;font-size:.9rem;color:#fff;display:inline-flex;align-items:center;gap:7px;}
.pg--a{grid-column:span 7;min-height:340px;}
.pg--b{grid-column:span 5;}
.pg--c{grid-column:span 5;}
.pg--d{grid-column:span 7;min-height:300px;}
.pg--wide{grid-column:span 12;min-height:220px;}

/* ---- Community band (full-bleed photo) ---- */
.band{position:relative;color:#fff;overflow:hidden;isolation:isolate;}
.band__media{position:absolute;inset:0;z-index:-2;}
.band__media img{width:100%;height:100%;object-fit:cover;}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,12,40,.9),rgba(10,12,40,.62));}
.band__inner{padding-block:clamp(64px,10vw,120px);max-width:620px;}
.band h2{color:#fff;font-size:clamp(2rem,4.8vw,3.2rem);}
.band p{margin-top:14px;color:#d9dcf3;font-size:1.12rem;}
.band .btn-row{margin-top:26px;}
.flags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.flags span{font-family:var(--font-display);font-weight:500;font-size:.84rem;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 14px;border-radius:999px;}

/* ---- Support (icon row) ---- */
.support{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.4vw,26px);}
.sup{padding:6px 6px 0;}
.sup__ic{width:54px;height:54px;border-radius:13px;background:var(--paper-3);color:var(--navy);display:grid;place-items:center;margin-bottom:14px;}
.section--dark .sup__ic{background:rgba(255,255,255,.1);color:var(--yellow);}
.sup__ic svg{width:26px;height:26px;}
.sup h3{font-size:1.1rem;margin-bottom:6px;}
.section--dark .sup h3{color:#fff;}
.sup p{font-size:.94rem;color:var(--muted);}
.section--dark .sup p{color:#aeb2d8;}

/* ---- Testimonials ---- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,24px);}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);}
.quote__stars{color:var(--yellow);font-size:1rem;letter-spacing:2px;margin-bottom:12px;}
.quote p{color:var(--ink);font-size:1.02rem;flex:1;}
.quote__who{margin-top:18px;display:flex;align-items:center;gap:12px;}
.quote__av{width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;flex:0 0 auto;}
.quote__name{font-family:var(--font-display);font-weight:600;color:var(--ink);font-size:.95rem;line-height:1.2;}
.quote__loc{font-size:.83rem;color:var(--muted);}

/* ---- CTA ---- */
.cta{position:relative;border-radius:var(--r-lg);overflow:hidden;isolation:isolate;background:linear-gradient(120deg,var(--red),#c81d13);color:#fff;padding:clamp(44px,7vw,84px) clamp(24px,5vw,60px);text-align:center;}
.cta::before{content:"";position:absolute;top:-100px;right:-60px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.12);z-index:-1;}
.cta::after{content:"";position:absolute;bottom:-120px;left:-50px;width:300px;height:300px;border-radius:50%;background:rgba(0,0,0,.12);z-index:-1;}
.cta h2{color:#fff;font-size:clamp(2rem,5vw,3.2rem);}
.cta p{margin:14px auto 0;color:rgba(255,255,255,.9);max-width:52ch;font-size:1.1rem;}
.cta .btn-row{justify-content:center;margin-top:28px;}

/* ---- Footer ---- */
.ftr{background:var(--navy-3);color:#a7abd6;padding-top:clamp(48px,7vw,80px);}
.ftr__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(26px,4vw,48px);padding-bottom:40px;}
.ftr h4{color:#fff;font-size:1rem;margin-bottom:16px;font-family:var(--font-display);}
.ftr ul{list-style:none;padding:0;display:grid;gap:10px;}
.ftr a{color:#a7abd6;font-size:.95rem;}
.ftr a:hover{color:var(--yellow);}
.ftr__brand img{height:40px;margin-bottom:14px;}
.ftr__brand p{color:#888dba;max-width:34ch;font-size:.95rem;}
.fsoc{display:flex;gap:10px;margin-top:16px;}
.fsoc a{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;transition:background .25s,transform .25s;}
.fsoc a:hover{background:var(--red);transform:translateY(-3px);color:#fff;}
.fsoc svg{width:18px;height:18px;}
.ftr__bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.86rem;color:#888dba;}

/* ---- Reveal ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
.reveal[data-delay="1"]{transition-delay:.08s;}
.reveal[data-delay="2"]{transition-delay:.16s;}
.reveal[data-delay="3"]{transition-delay:.24s;}

/* ---- WhatsApp + switcher ---- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.3);transition:transform .25s var(--ease);}
.wa-float:hover{transform:scale(1.08);color:#fff;}
.wa-float svg{width:30px;height:30px;}
.ver-switch{position:fixed;right:18px;bottom:84px;z-index:95;display:flex;flex-direction:column;gap:8px;align-items:flex-end;}
.ver-switch__label{font:600 10px/1 var(--font-display,system-ui);letter-spacing:.12em;text-transform:uppercase;color:#fff;background:var(--navy);padding:6px 12px;border-radius:999px;}
.ver-switch__btn{font-family:var(--font-display,system-ui);font-weight:600;font-size:.84rem;padding:9px 16px;border-radius:999px;background:#fff;color:var(--navy);border:1.5px solid var(--line);box-shadow:var(--shadow-sm);white-space:nowrap;transition:transform .2s var(--ease),background .2s,color .2s;}
.ver-switch__btn:hover{transform:translateY(-2px);background:var(--navy);color:#fff;}
.ver-switch__btn.is-active{background:var(--red);color:#fff;border-color:var(--red);}

/* ==================== Responsive ==================== */
@media (max-width:1000px){
  .split{grid-template-columns:1fr;}
  .split--rev .split__media{order:0;}
  .progs{grid-template-columns:repeat(2,1fr);}
  .pg--a,.pg--b,.pg--c,.pg--d,.pg--wide{grid-column:span 1;min-height:260px;}
  .support{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .ftr__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  .nav-toggle{display:inline-flex;}
  .nav-cta .btn{display:none;}
  .nav-menu{position:fixed;inset:74px 0 auto 0;background:var(--navy-2);border-bottom:1px solid var(--line-d);max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
  .nav-menu.is-open{max-height:calc(100vh - 74px);overflow-y:auto;}
  .nav-menu .inner{display:block;padding:12px var(--gutter) 26px;}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-links a{padding:14px 12px;font-size:1.05rem;}
  .mobile-cta{display:grid;gap:10px;margin-top:14px;}
  .mobile-cta .btn{display:inline-flex;}
  .statbar{margin-top:-30px;}
  .statbar__inner{grid-template-columns:1fr 1fr;}
  .sb:nth-child(2){border-right:0;}
  .sb:nth-child(1),.sb:nth-child(2){border-bottom:1px solid var(--line-d);}
  .progs{grid-template-columns:1fr;}
  .support{grid-template-columns:1fr;}
}
@media (max-width:600px){
  body{font-size:16px;}
  .hero{min-height:88vh;}
  .ftr__grid{grid-template-columns:1fr;}
  .btn-row .btn{width:100%;}
  .ver-switch__btn{font-size:.8rem;padding:8px 14px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .hero__media img{animation:none;}
}