/* ==========================================================================
   Greenland College — PREMIUM UI/UX LAYER
   Adds: glassmorphism, luxury hero treatment, 3D globe mount, floating/tilt
   cards, magnetic buttons, cinematic scroll motion (GSAP-driven), refined
   footer. Loads AFTER style.css and only ADDS to the existing token system —
   every color below reads from the :root variables already defined there.
   Nothing here removes content, structure, or the EN/TA toggle.
   ========================================================================== */

:root{
  --glass-fill: rgba(255,255,255,0.10);
  --glass-fill-strong: rgba(255,255,255,0.16);
  --glass-border: rgba(255,255,255,0.28);
  --glass-shadow: 0 20px 60px rgba(6,28,19,0.35);
  --gold-glow: 0 0 0 1px rgba(217,174,85,0.35), 0 8px 30px rgba(200,155,60,0.22);
  --ease-lux: cubic-bezier(.16,.8,.28,1);
}

/* Respect existing reduced-motion contract everywhere below */
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto !important;}
}

/* --------------------------------------------------------------------
   0. Base polish — premium type rendering, selection color, scrollbar
   -------------------------------------------------------------------- */
html{scroll-behavior:smooth;}
::selection{background:var(--gold-600);color:var(--green-950);}
body{text-rendering:optimizeLegibility;}
::-webkit-scrollbar{width:11px;height:11px;}
::-webkit-scrollbar-track{background:var(--cream-2);}
::-webkit-scrollbar-thumb{background:var(--green-700);border-radius:99px;border:2px solid var(--cream-2);}
::-webkit-scrollbar-thumb:hover{background:var(--gold-600);}

/* Scroll progress rail — sits under the sticky header */
.scroll-progress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg, var(--gold-600), var(--gold-500));
  z-index:100; transition:width .08s linear;
  box-shadow:0 0 10px rgba(200,155,60,0.6);
}

/* --------------------------------------------------------------------
   1. Glassmorphic sticky navbar
   -------------------------------------------------------------------- */
.site-header{
  background:rgba(255,253,249,0.72);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(225,218,203,0.6);
  transition:box-shadow .3s var(--ease-lux), background .3s var(--ease-lux), padding .3s var(--ease-lux);
}
.site-header.scrolled{
  background:rgba(255,253,249,0.86);
  box-shadow:0 12px 34px rgba(15,76,51,0.14);
}
.topbar{
  background:linear-gradient(90deg, var(--green-950), #0c3626 60%, var(--green-950));
  position:relative;
}
.topbar::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg, transparent, rgba(217,174,85,0.5), transparent);
}
.brand img{transition:transform .5s var(--ease-lux);}
.brand:hover img{transform:rotate(-6deg) scale(1.06);}

.nav-links a{transition:color .2s ease;}
.nav-links a::before{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--gold-600);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease-lux);
}
.nav-links a:hover::before{transform:scaleX(1);}
.nav-links a.active::before{transform:scaleX(1);}
.nav-links a.active::after{content:none;} /* replaced by ::before sweep above */

/* Magnetic / shine buttons */
.btn{position:relative;overflow:hidden;isolation:isolate;}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform:translateX(-120%);
  transition:transform .6s var(--ease-lux);
}
.btn:hover::after{transform:translateX(120%);}
.btn-gold{box-shadow:var(--gold-glow);}
.btn-gold:hover{box-shadow:0 0 0 1px rgba(217,174,85,0.5), 0 14px 36px rgba(200,155,60,0.34);}

/* --------------------------------------------------------------------
   2. Luxury hero — cinematic depth, aurora wash, 3D globe mount
   -------------------------------------------------------------------- */
.hero{isolation:isolate;}
.hero-bg{will-change:transform;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 50% at 82% 12%, rgba(217,174,85,0.16), transparent 60%),
    radial-gradient(ellipse 50% 40% at 8% 92%, rgba(27,122,80,0.28), transparent 65%);
  mix-blend-mode:screen;
}
.hero-inner{will-change:transform;}

.globe-mount{
  position:absolute; z-index:1; pointer-events:none;
  top:-8%; right:-6%; width:min(46vw, 620px); aspect-ratio:1/1;
  opacity:0.9;
  mask-image:radial-gradient(circle at 60% 45%, black 55%, transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 60% 45%, black 55%, transparent 78%);
}
.globe-mount canvas{width:100% !important; height:100% !important; display:block;}
@media(max-width:900px){ .globe-mount{display:none;} }

.hero-content{position:relative; z-index:2;}
.hero .eyebrow{
  background:var(--glass-fill); border:1px solid var(--glass-border);
  padding:6px 14px 6px 10px; border-radius:999px; -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
}
.hero h1{
  background:linear-gradient(100deg, #ffffff 30%, var(--gold-100) 55%, #ffffff 80%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  letter-spacing:-0.01em;
}
.hero-mini-badge{
  background:var(--glass-fill); -webkit-backdrop-filter:blur(10px) saturate(160%); backdrop-filter:blur(10px) saturate(160%);
  transition:transform .3s var(--ease-lux), background .3s ease;
}
.hero-mini-badge:hover{transform:translateY(-3px); background:var(--glass-fill-strong);}
.hero-hierarchy{-webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);}

/* Floating glass stat strip */
.stats-strip{
  background:rgba(255,253,249,0.86);
  -webkit-backdrop-filter:blur(20px) saturate(160%); backdrop-filter:blur(20px) saturate(160%);
  border:1px solid rgba(255,255,255,0.5);
}
.stat{position:relative;}
.stat:not(:last-child)::after{
  content:""; position:absolute; right:0; top:18%; bottom:18%; width:1px;
  background:linear-gradient(180deg, transparent, var(--line), transparent);
}
.stat .num{
  background:linear-gradient(120deg, var(--green-800), var(--gold-700));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* --------------------------------------------------------------------
   3. Floating / tilt cards — applies to existing card classes, no HTML change
   -------------------------------------------------------------------- */
.card, .value-card, .course-track, .testi-card, .pay-card, .form-panel{
  transform-style:preserve-3d;
  transition:transform .45s var(--ease-lux), box-shadow .45s var(--ease-lux);
}
.card:hover, .testi-card:hover, .pay-card:hover{
  box-shadow:0 24px 48px rgba(15,76,51,0.16), var(--gold-glow);
}
.course-track:hover{box-shadow:0 26px 54px rgba(15,76,51,0.18);}
.value-card{position:relative; overflow:hidden;}
.value-card::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 20% 0%, rgba(217,174,85,0.16), transparent 60%);
  pointer-events:none;
}

.card .icon{
  background:linear-gradient(135deg, var(--sage), var(--sage-2));
  transition:transform .4s var(--ease-lux), background .4s ease;
}
.card:hover .icon{transform:scale(1.08) rotate(-4deg); background:linear-gradient(135deg, var(--gold-100), var(--sage));}

.framed-photo{position:relative;}
.framed-photo::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 55%, rgba(10,46,31,0.25));
  opacity:0; transition:opacity .4s ease;
}
.framed-photo:hover::after{opacity:1;}
.framed-photo img{transition:transform .7s var(--ease-lux);}
.framed-photo:hover img{transform:scale(1.06);}

/* --------------------------------------------------------------------
   4. Page-hero (subpages) — glass eyebrow + subtle aurora, matches home hero
   -------------------------------------------------------------------- */
.page-hero{position:relative; isolation:isolate; overflow:hidden;}
.page-hero::before{
  content:""; position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(ellipse 55% 60% at 88% 0%, rgba(217,174,85,0.20), transparent 60%),
    radial-gradient(ellipse 45% 50% at 4% 100%, rgba(27,122,80,0.30), transparent 65%);
}
.page-hero .container{position:relative; z-index:1;}
.page-hero .eyebrow{
  background:var(--glass-fill); border:1px solid var(--glass-border); border-radius:999px;
  padding:6px 14px 6px 10px; -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
}

/* --------------------------------------------------------------------
   5. Section rhythm — quiet gradient washes, no new colors introduced
   -------------------------------------------------------------------- */
.section-alt{
  background:linear-gradient(180deg, var(--sage), var(--sage-2) 60%, var(--sage));
}
.cta-band{position:relative; overflow:hidden;}
.cta-band::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 10% 110%, rgba(217,174,85,0.18), transparent 55%);
  pointer-events:none;
}

/* --------------------------------------------------------------------
   6. Modern glass footer
   -------------------------------------------------------------------- */
.site-footer{
  position:relative; isolation:isolate; overflow:hidden;
  background:radial-gradient(ellipse 80% 60% at 50% -10%, #0f4327, var(--green-950) 60%);
}
.site-footer::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg, black, transparent 75%);
  -webkit-mask-image:linear-gradient(180deg, black, transparent 75%);
}
.footer-brand img{filter:drop-shadow(0 4px 10px rgba(0,0,0,0.35));}
.footer-col ul li a{position:relative; transition:padding-left .25s var(--ease-lux), color .2s ease;}
.footer-col ul li a:hover{padding-left:8px;}

/* --------------------------------------------------------------------
   7. Floating action buttons — glass ring + gentle pulse
   -------------------------------------------------------------------- */
.whatsapp-float{
  box-shadow:0 10px 26px rgba(15,76,51,0.35), 0 0 0 6px rgba(27,122,80,0.14);
}
.whatsapp-float:hover{box-shadow:0 14px 32px rgba(15,76,51,0.4), 0 0 0 8px rgba(27,122,80,0.18);}

/* --------------------------------------------------------------------
   8. GSAP scroll-reveal companions (kept independent of existing [data-reveal])
   -------------------------------------------------------------------- */
[data-gs-parallax]{will-change:transform;}
.gs-fade-init{opacity:0; transform:translateY(40px);}

/* --------------------------------------------------------------------
   9. Accessibility — skip link + visible focus states everywhere premium touches
   -------------------------------------------------------------------- */
.skip-link{
  position:absolute; left:12px; top:-60px; z-index:999;
  background:var(--green-950); color:var(--white); padding:12px 18px;
  border-radius:var(--radius-sm); font-weight:600; font-size:0.9rem;
  transition:top .2s ease;
}
.skip-link:focus{top:12px;}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2.5px solid var(--gold-600); outline-offset:3px; border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  .gs-fade-init{opacity:1; transform:none;}
  .globe-mount{display:none;}
  .brand:hover img, .card:hover .icon, .framed-photo:hover img{transform:none;}
}