/* ================================================================
   ENGLISH ONLY ACADEMY — SHARED DESIGN SYSTEM
   style-premium.css  |  v2.0
================================================================ */

/* ── DESIGN TOKENS ── */
:root {
  --navy-deepest: #060810;
  --navy-deep: #0B0D1A;
  --navy-mid: #111428;
  --navy-light: #1A2040;
  --navy-card: #141830;
  --gold-primary: #C9A84C;
  --gold-bright: #E2C06A;
  --gold-dim: #8A6F32;
  --gold-glow: rgba(201,168,76,0.13);
  --gold-glow-strong: rgba(201,168,76,0.28);
  --white: #FFFFFF;
  --cream: #F5F0E8;
  --cream-dim: #C8C0AA;
  --text-body: #A8B0C8;
  --text-muted: #6A728A;
  --border-subtle: rgba(201,168,76,0.11);
  --border-gold: rgba(201,168,76,0.38);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --transition: cubic-bezier(0.4,0,0.2,1);
  --transition-slow: cubic-bezier(0.16,1,0.3,1);
  --nav-height: 80px;
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'DM Sans',sans-serif;
  background:var(--navy-deepest);
  color:var(--text-body);
  overflow-x:hidden;
  line-height:1.7;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
input,textarea,button{font-family:inherit}

/* ── BACKGROUND ── */
#bg-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}
.bg-grid{
  position:fixed;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(201,168,76,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,168,76,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 100% 80% at 50% 40%,black 20%,transparent 80%);
}
.orb{position:fixed;border-radius:50%;pointer-events:none;z-index:1;filter:blur(80px);animation:orbFloat 18s ease-in-out infinite}
.orb-1{width:600px;height:600px;background:radial-gradient(circle,rgba(201,168,76,.08) 0%,transparent 70%);top:-200px;left:-200px;animation-delay:0s}
.orb-2{width:400px;height:400px;background:radial-gradient(circle,rgba(30,50,120,.15) 0%,transparent 70%);top:40%;right:-100px;animation-delay:-6s}
.orb-3{width:300px;height:300px;background:radial-gradient(circle,rgba(201,168,76,.06) 0%,transparent 70%);bottom:20%;left:30%;animation-delay:-12s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-40px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.97)}}
.page-wrapper{position:relative;z-index:2}

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4{line-height:1.2;color:var(--white)}
.section-label{
  font-family:'Cinzel',serif;font-size:.7rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--gold-primary);
  display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.section-label::before{content:'';width:32px;height:1px;background:var(--gold-primary)}
.section-label.centered{justify-content:center}
.section-title{
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(2rem,4vw,3.2rem);font-weight:600;
  color:var(--white);line-height:1.15;margin-bottom:20px;
}
.section-title em{font-style:italic;color:var(--gold-primary)}
.section-body{font-size:1rem;color:var(--text-body);max-width:580px;line-height:1.8}
.gold-line{width:48px;height:2px;background:linear-gradient(90deg,var(--gold-primary),transparent);margin:20px 0}

/* ── LAYOUT ── */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── SCROLL ANIMATIONS ── */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s var(--transition-slow),transform .8s var(--transition-slow)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-left{opacity:0;transform:translateX(-36px);transition:opacity .8s var(--transition-slow),transform .8s var(--transition-slow)}
.reveal-left.visible{opacity:1;transform:translateX(0)}
.reveal-right{opacity:0;transform:translateX(36px);transition:opacity .8s var(--transition-slow),transform .8s var(--transition-slow)}
.reveal-right.visible{opacity:1;transform:translateX(0)}

/* ── NAVBAR ── */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:0 24px;transition:all .4s var(--transition);
}
.navbar.scrolled{
  background:rgba(6,8,16,.88);backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border-subtle);
  box-shadow:0 4px 40px rgba(0,0,0,.4);
}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo-mark{
  width:40px;height:40px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dim));
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-family:'Cinzel',serif;font-size:1.1rem;font-weight:600;color:var(--navy-deepest);
  position:relative;overflow:hidden;
}
.nav-logo-mark::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.15) 50%,transparent 70%);
  animation:shimmer 3s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%) rotate(45deg)}100%{transform:translateX(100%) rotate(45deg)}}
.nav-logo-text{display:flex;flex-direction:column;line-height:1}
.nav-logo-text .english{font-family:'Cormorant Garamond',serif;font-size:1.2rem;font-weight:700;color:var(--white);letter-spacing:.02em}
.nav-logo-text .only{font-family:'Cinzel',serif;font-size:.5rem;letter-spacing:.4em;color:var(--gold-primary);margin-top:1px}
.nav-logo-text .academy{font-family:'Cinzel',serif;font-size:.6rem;letter-spacing:.35em;color:var(--cream-dim)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-family:'DM Sans',sans-serif;font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--text-body);transition:color .3s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--gold-primary);transition:width .3s}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--gold-primary)}
.nav-links a.active::after{width:100%}
.nav-cta{padding:10px 24px!important;background:transparent!important;border:1px solid var(--gold-primary)!important;border-radius:var(--radius-sm)!important;color:var(--gold-primary)!important;font-size:.78rem!important;font-weight:600!important;letter-spacing:.1em!important;text-transform:uppercase!important;transition:all .3s!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--gold-primary)!important;color:var(--navy-deepest)!important}
.nav-mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.nav-mobile-toggle span{width:24px;height:1.5px;background:var(--white);transition:all .3s}
.mobile-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(6,8,16,.97);backdrop-filter:blur(20px);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:32px}
.mobile-nav.open{display:flex}
.mobile-nav a{font-family:'Cormorant Garamond',serif;font-size:2rem;font-weight:600;color:var(--white);letter-spacing:.05em;transition:color .3s}
.mobile-nav a:hover{color:var(--gold-primary)}
.mobile-nav-close{position:absolute;top:28px;right:28px;cursor:pointer;font-size:1.5rem;color:var(--text-body);background:none;border:none;transition:color .3s}
.mobile-nav-close:hover{color:var(--white)}

/* ── PAGE HERO (sub-pages) ── */
.page-hero{
  padding:calc(var(--nav-height) + 60px) 0 80px;
  position:relative;overflow:hidden;
  text-align:center;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(-45deg,transparent,transparent 60px,rgba(201,168,76,.025) 60px,rgba(201,168,76,.025) 61px);
  pointer-events:none;
}
.page-hero-watermark{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  font-family:'Cinzel',serif;font-size:clamp(120px,18vw,260px);font-weight:600;
  color:transparent;-webkit-text-stroke:1px rgba(201,168,76,.05);
  line-height:1;pointer-events:none;user-select:none;white-space:nowrap;
}
.page-hero-label{margin-bottom:16px;justify-content:center}
.page-hero-title{
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(2.4rem,6vw,4.5rem);font-weight:700;
  color:var(--white);line-height:1.08;margin-bottom:16px;
}
.page-hero-title em{font-style:italic;color:var(--gold-primary)}
.page-hero-sub{font-size:1.05rem;color:var(--text-body);max-width:560px;margin:0 auto 32px;line-height:1.8}
.breadcrumb{display:flex;gap:8px;align-items:center;justify-content:center;font-size:.75rem;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase}
.breadcrumb a{color:var(--text-muted);transition:color .3s}
.breadcrumb a:hover{color:var(--gold-primary)}
.breadcrumb span{color:var(--text-muted);opacity:.4}
.breadcrumb .current{color:var(--gold-primary)}

/* ── BUTTONS ── */
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;padding:14px 32px;
  background:linear-gradient(135deg,var(--gold-primary),var(--gold-dim));
  color:var(--navy-deepest);font-family:'DM Sans',sans-serif;font-size:.85rem;
  font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  border-radius:var(--radius-sm);border:none;cursor:pointer;
  transition:all .3s var(--transition);position:relative;overflow:hidden;
}
.btn-primary::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px var(--gold-glow-strong)}
.btn-primary:hover::before{left:100%}
.btn-secondary{
  display:inline-flex;align-items:center;gap:10px;padding:14px 28px;
  background:transparent;color:var(--white);font-family:'DM Sans',sans-serif;
  font-size:.85rem;font-weight:500;letter-spacing:.06em;
  border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);
  transition:all .3s var(--transition);cursor:pointer;
}
.btn-secondary:hover{border-color:var(--gold-primary);color:var(--gold-primary);transform:translateY(-2px)}
.btn-outline-gold{
  display:inline-flex;align-items:center;gap:6px;padding:10px 22px;
  border:1px solid var(--border-gold);border-radius:var(--radius-sm);
  color:var(--gold-primary);font-size:.8rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;transition:all .3s;cursor:pointer;
  background:transparent;
}
.btn-outline-gold:hover{background:var(--gold-primary);color:var(--navy-deepest)}

/* ── CARDS ── */
.card{
  background:var(--navy-card);border:1px solid var(--border-subtle);
  border-radius:var(--radius-md);transition:all .4s var(--transition);
}
.card:hover{border-color:var(--border-gold);transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.card-gold-top::before{content:'';display:block;height:2px;background:linear-gradient(90deg,transparent,var(--gold-primary),transparent);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.card-gold-top:hover::before{transform:scaleX(1)}

/* ── FOOTER ── */
.footer{background:var(--navy-deep);border-top:1px solid var(--border-subtle);padding:80px 0 40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:60px}
.footer-brand p{font-size:.88rem;color:var(--text-muted);line-height:1.8;margin:16px 0 24px;max-width:280px}
.footer-social{display:flex;gap:10px}
.footer-social-link{
  width:36px;height:36px;background:var(--navy-mid);border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:.85rem;transition:all .3s;
}
.footer-social-link:hover{border-color:var(--gold-primary);color:var(--gold-primary)}
.footer-social-link svg{width:14px;height:14px}
.footer-col h5{font-family:'Cinzel',serif;font-size:.65rem;letter-spacing:.25em;color:var(--gold-primary);text-transform:uppercase;margin-bottom:20px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{font-size:.85rem;color:var(--text-muted);transition:color .3s}
.footer-col ul li a:hover{color:var(--white)}
.footer-bottom{padding-top:32px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:.78rem;color:var(--text-muted)}
.footer-bottom a{color:var(--gold-primary);font-size:.78rem}

/* ── WHATSAPP FLOAT ── */
.whatsapp-float{
  position:fixed;bottom:28px;right:28px;width:56px;height:56px;
  background:#25D366;border-radius:50%;display:flex;align-items:center;
  justify-content:center;z-index:900;box-shadow:0 8px 32px rgba(37,211,102,.4);
  transition:all .3s;
}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 12px 40px rgba(37,211,102,.5)}
.whatsapp-float svg{width:28px;fill:white}

/* ── FORM STYLES ── */
.form-group{margin-bottom:20px}
.form-label{display:block;font-family:'Cinzel',serif;font-size:.62rem;letter-spacing:.2em;color:var(--gold-primary);text-transform:uppercase;margin-bottom:8px}
.form-control{
  width:100%;padding:14px 18px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-sm);
  color:var(--white);font-size:.9rem;
  transition:all .3s;outline:none;
}
.form-control::placeholder{color:var(--text-muted)}
.form-control:focus{border-color:var(--gold-primary);background:rgba(201,168,76,.05);box-shadow:0 0 0 3px rgba(201,168,76,.08)}
textarea.form-control{resize:vertical;min-height:140px}

/* ── RESPONSIVE SHARED ── */
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-mobile-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}