/* =========================================================================
   ROADMAP INFORMATIKA KELAS VII — STYLE SYSTEM
   Palette  : deep space navy + multi-neon accent per bab
   Type     : Poppins (display/body) + JetBrains Mono (eyebrows/labels)
   Signature: glowing "data rail" connecting the 9 chapter nodes
   ========================================================================= */

:root{
  --bg-0:#05060f;
  --bg-1:#0a0e27;
  --bg-2:#0d1230;
  --surface:rgba(255,255,255,0.055);
  --surface-strong:rgba(255,255,255,0.09);
  --border:rgba(255,255,255,0.12);
  --border-soft:rgba(255,255,255,0.07);
  --text-0:#f4f6ff;
  --text-1:#c4cae8;
  --text-2:#8a91b8;

  --neon-cyan:#00E5FF;
  --neon-violet:#7C4DFF;
  --neon-pink:#FF2E92;
  --neon-mint:#2EE6A8;

  --font-display:'Poppins',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;

  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:var(--font-display);
  overflow-x:hidden;
  position:relative;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--neon-cyan);color:#001018;}

a{text-decoration:none;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------------------------------------------------------------------- */
/*  BACKGROUND LAYERS                                                     */
/* ---------------------------------------------------------------------- */

#particles-canvas{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
}

.bg-grid{
  position:fixed;
  inset:-10%;
  z-index:0;
  background-image:
    linear-gradient(rgba(124,77,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,77,255,0.06) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 60% 50% at 50% 30%, black 40%, transparent 90%);
  pointer-events:none;
}

.bg-glow{
  position:fixed;
  z-index:0;
  border-radius:50%;
  filter:blur(120px);
  pointer-events:none;
  opacity:.35;
}
.bg-glow--1{
  width:600px;height:600px;
  top:-200px; left:-150px;
  background:var(--neon-violet);
}
.bg-glow--2{
  width:700px;height:700px;
  bottom:0; right:-250px;
  background:var(--neon-cyan);
  opacity:.22;
}

main, header, footer, nav{position:relative; z-index:2;}

/* ---------------------------------------------------------------------- */
/*  SCROLL PROGRESS + NAV                                                 */
/* ---------------------------------------------------------------------- */

.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:3px; z-index:1000;
  background:rgba(255,255,255,0.05);
}
.scroll-progress__bar{
  height:100%; width:0%;
  background:linear-gradient(90deg,var(--neon-violet),var(--neon-cyan),var(--neon-pink));
  box-shadow:0 0 12px var(--neon-cyan);
  transition:width .1s linear;
}

.topnav{
  position:fixed; top:3px; left:0; right:0; z-index:900;
  backdrop-filter:blur(16px);
  background:rgba(5,6,15,0.55);
  border-bottom:1px solid var(--border-soft);
}
.topnav__inner{
  max-width:1300px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
}
.topnav__brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.05rem;}
.topnav__brand-icon{
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--neon-violet),var(--neon-cyan));
  color:#04060f; font-size:.95rem;
}
.topnav__brand-accent{color:var(--neon-cyan); margin-left:4px;}
.topnav__links{display:flex; gap:28px;}
.topnav__links a{font-size:.88rem; color:var(--text-1); font-weight:500; transition:color .2s;}
.topnav__links a:hover{color:var(--neon-cyan);}
.topnav__badge{
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.04em;
  border:1px solid var(--border); border-radius:100px; padding:6px 14px;
  color:var(--text-1); display:flex; align-items:center; gap:6px;
}
@media (max-width:820px){ .topnav__links{display:none;} }

/* ---------------------------------------------------------------------- */
/*  HERO                                                                  */
/* ---------------------------------------------------------------------- */

.hero{
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding:140px 24px 80px;
  position:relative;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--neon-cyan);
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid rgba(0,229,255,0.35);
  background:rgba(0,229,255,0.06);
  padding:8px 18px;
  border-radius:100px;
  margin-bottom:28px;
}
.eyebrow__dot{
  width:7px; height:7px; border-radius:50%; background:var(--neon-cyan);
  box-shadow:0 0 10px var(--neon-cyan);
  animation:pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(1.4);}}

.hero__title{
  font-size:clamp(2.4rem, 6vw, 4.6rem);
  font-weight:800;
  line-height:1.1;
  margin:0 0 22px;
  letter-spacing:-.02em;
}
.hero__rocket{
  display:inline-block;
  color:var(--neon-cyan);
  filter:drop-shadow(0 0 18px rgba(0,229,255,.7));
  animation:float-rocket 3.4s ease-in-out infinite;
  margin-right:6px;
}
@keyframes float-rocket{0%,100%{transform:translateY(0) rotate(-6deg);}50%{transform:translateY(-14px) rotate(4deg);}}

.hero__title-gradient{
  background:linear-gradient(90deg,var(--neon-violet),var(--neon-cyan) 45%,var(--neon-pink));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  background-size:200% auto;
  animation:gradient-shift 6s ease-in-out infinite;
}
@keyframes gradient-shift{0%{background-position:0% 50%;}50%{background-position:100% 50%;}100%{background-position:0% 50%;}}

.hero__subtitle{
  font-size:clamp(1rem,2vw,1.3rem);
  color:var(--text-1);
  font-weight:400;
  max-width:720px;
  margin:0 auto 40px;
  line-height:1.65;
}

.hero__cta{display:flex; gap:18px; flex-wrap:wrap; justify-content:center; margin-bottom:56px;}

.btn-glow{
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 32px;
  border-radius:100px;
  font-weight:600; font-size:1rem;
  color:#04060f;
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-violet));
  box-shadow:0 8px 30px rgba(0,229,255,.35), 0 0 0 1px rgba(255,255,255,.08) inset;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.btn-glow:hover{transform:translateY(-3px); box-shadow:0 14px 40px rgba(0,229,255,.5), 0 0 0 1px rgba(255,255,255,.12) inset; color:#04060f;}
.btn-glow--full{width:100%; justify-content:center;}

.btn-ghost{
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 30px;
  border-radius:100px;
  font-weight:600; font-size:1rem;
  color:var(--text-0);
  border:1px solid var(--border);
  background:rgba(255,255,255,0.03);
  transition:all .3s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,0.08); border-color:rgba(255,255,255,.3); color:var(--text-0); transform:translateY(-3px);}

.hero__stats{
  display:flex; align-items:center; gap:28px; flex-wrap:wrap; justify-content:center;
  padding:22px 34px;
  border-radius:100px;
  background:var(--surface);
  border:1px solid var(--border-soft);
  backdrop-filter:blur(18px);
}
.hero__stat{display:flex; flex-direction:column; align-items:center; gap:2px;}
.hero__stat-num{font-family:var(--font-mono); font-weight:700; font-size:1.6rem; color:var(--neon-cyan);}
.hero__stat-label{font-size:.72rem; color:var(--text-2); letter-spacing:.03em;}
.hero__stat-sep{width:1px; height:32px; background:var(--border);}
@media (max-width:700px){ .hero__stats{gap:16px; padding:18px 20px;} .hero__stat-sep{display:none;} }

.hero__scroll-cue{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.12em;
  color:var(--text-2);
  animation:bob 2.2s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}

/* ---------------------------------------------------------------------- */
/*  SECTION SHARED                                                        */
/* ---------------------------------------------------------------------- */

.section-intro, .section-semester, .section-target, .section-quotes{
  padding:100px 24px 40px;
}
.section-timeline{ padding:20px 0 60px; }
.section-detail{ padding:0 24px 100px; }

.section-kicker{
  font-family:var(--font-mono);
  font-size:.75rem; letter-spacing:.14em; color:var(--neon-mint);
  margin-bottom:12px; text-align:center;
}
.section-title{
  font-size:clamp(1.8rem,3.6vw,2.8rem);
  font-weight:700; text-align:center;
  margin:0 0 18px;
  letter-spacing:-.01em;
}
.text-gradient{
  background:linear-gradient(90deg,var(--neon-cyan),var(--neon-violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.section-desc{
  text-align:center; color:var(--text-1);
  max-width:680px; margin:0 auto 20px;
  font-size:1.02rem; line-height:1.7;
}

/* ---------------------------------------------------------------------- */
/*  TIMELINE RAIL + CHAPTER CARDS                                         */
/* ---------------------------------------------------------------------- */

.timeline-rail{
  position:relative;
  height:4px;
  max-width:1300px;
  margin:0 auto 46px;
  display:none;
}
.timeline-rail__track{
  position:absolute; inset:0;
  border-radius:10px;
  background:linear-gradient(90deg,var(--neon-violet),var(--neon-cyan),var(--neon-pink),var(--neon-mint));
  opacity:.35;
}
.timeline-rail__pulse{
  position:absolute; top:50%; left:0;
  width:14px; height:14px; margin-top:-7px;
  border-radius:50%;
  background:var(--neon-cyan);
  box-shadow:0 0 16px 4px var(--neon-cyan);
  animation:rail-travel 5s linear infinite;
}
@keyframes rail-travel{
  0%{left:0%; background:var(--neon-violet); box-shadow:0 0 16px 4px var(--neon-violet);}
  33%{background:var(--neon-cyan); box-shadow:0 0 16px 4px var(--neon-cyan);}
  66%{background:var(--neon-pink); box-shadow:0 0 16px 4px var(--neon-pink);}
  100%{left:calc(100% - 14px); background:var(--neon-mint); box-shadow:0 0 16px 4px var(--neon-mint);}
}
@media (min-width:1300px){ .timeline-rail{display:block;} }

.timeline-row{
  max-width:1400px; margin:0 auto;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(230px, 1fr));
  gap:20px;
}
@media (min-width:1300px){
  .timeline-row{ grid-template-columns:repeat(9, 1fr); gap:14px; }
}

.chapter-card{
  position:relative;
  text-align:left;
  cursor:pointer;
  border:1px solid var(--border);
  background:var(--surface);
  backdrop-filter:blur(16px);
  border-radius:var(--radius-md);
  padding:22px 18px 20px;
  display:flex; flex-direction:column; gap:10px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
  overflow:hidden;
}
.chapter-card::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(160deg, var(--accent-soft), transparent 60%);
  opacity:0;
  transition:opacity .35s var(--ease);
}
.chapter-card:hover, .chapter-card.is-active{
  transform:translateY(-8px) scale(1.03);
  border-color:var(--accent);
  box-shadow:0 16px 40px -12px var(--accent), 0 0 0 1px var(--accent) inset;
}
.chapter-card:hover::before, .chapter-card.is-active::before{ opacity:1; }

.chapter-card__progress{
  position:absolute; top:14px; right:16px;
  font-family:var(--font-mono); font-size:.72rem; color:var(--accent); font-weight:700;
  z-index:1;
}
.chapter-card__progress-total{ color:var(--text-2); font-weight:400; }

.chapter-card__icon{
  position:relative; z-index:1;
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.35rem; color:var(--accent);
  background:var(--accent-soft);
  border:1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition:transform .4s var(--ease);
}
.chapter-card:hover .chapter-card__icon, .chapter-card.is-active .chapter-card__icon{
  transform:rotate(-8deg) scale(1.12);
}

.chapter-card__eyebrow{
  position:relative; z-index:1;
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; color:var(--text-2);
}
.chapter-card__title{
  position:relative; z-index:1;
  font-weight:600; font-size:.98rem; line-height:1.35; color:var(--text-0);
  min-height:2.6em;
}
.chapter-card__badge{
  position:relative; z-index:1;
  align-self:flex-start;
  font-size:.68rem; font-weight:600; letter-spacing:.03em;
  padding:4px 12px; border-radius:100px;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid color-mix(in srgb, var(--accent) 45%, transparent);
}
.chapter-card__hint{
  position:relative; z-index:1;
  margin-top:auto;
  font-size:.7rem; color:var(--text-2);
  display:flex; align-items:center; gap:6px;
  opacity:0; transform:translateY(4px);
  transition:all .3s var(--ease);
}
.chapter-card:hover .chapter-card__hint, .chapter-card.is-active .chapter-card__hint{ opacity:1; transform:translateY(0); }

/* ---------------------------------------------------------------------- */
/*  DETAIL PANEL                                                          */
/* ---------------------------------------------------------------------- */

.detail-panel{
  --accent:#00E5FF;
  --accent-soft:rgba(0,229,255,.16);
  max-width:1000px; margin:0 auto;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  backdrop-filter:blur(22px);
  padding:36px clamp(20px,4vw,48px) 40px;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.6), 0 0 0 1px var(--accent-soft) inset;
  opacity:0; transform:translateY(16px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
  position:relative;
  overflow:hidden;
}
.detail-panel.is-visible{ opacity:1; transform:translateY(0); }
.detail-panel::after{
  content:"";
  position:absolute; top:-40%; right:-15%;
  width:420px; height:420px; border-radius:50%;
  background:var(--accent); opacity:.12; filter:blur(90px);
  pointer-events:none;
}

.detail-panel__head{
  display:flex; align-items:flex-start; gap:20px; flex-wrap:wrap;
  padding-bottom:26px; margin-bottom:26px;
  border-bottom:1px solid var(--border-soft);
  position:relative; z-index:1;
}
.detail-panel__icon{
  width:64px; height:64px; border-radius:18px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  font-size:1.7rem; color:var(--accent);
  background:var(--accent-soft);
  border:1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}
.detail-panel__headtext{flex:1 1 260px;}
.detail-panel__eyebrow{
  display:block; font-family:var(--font-mono); font-size:.7rem; letter-spacing:.1em; color:var(--accent); margin-bottom:6px;
}
.detail-panel__headtext h3{font-size:clamp(1.3rem,2.6vw,1.8rem); font-weight:700; margin:0 0 6px; color:var(--text-0);}
.detail-panel__tagline{margin:0; color:var(--text-1); font-size:.95rem;}
.detail-panel__meta{display:flex; gap:10px; flex-wrap:wrap;}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:500; color:var(--text-1);
  border:1px solid var(--border); border-radius:100px; padding:8px 16px;
  white-space:nowrap;
}
.pill i{color:var(--accent);}

.detail-panel__body{
  display:grid; grid-template-columns:1fr 1fr; gap:26px 34px;
  position:relative; z-index:1;
}
@media (max-width:760px){ .detail-panel__body{grid-template-columns:1fr;} }

.detail-block h4{
  display:flex; align-items:center; gap:10px;
  font-size:1rem; font-weight:600; color:var(--text-0); margin:0 0 12px;
}
.detail-block h4 i{color:var(--accent); font-size:.9rem;}
.detail-block p{color:var(--text-1); line-height:1.75; margin:0; font-size:.94rem;}
.detail-block__quote{
  font-style:italic;
  border-left:3px solid var(--accent);
  padding-left:16px;
}

.detail-list li{
  display:flex; align-items:flex-start; gap:10px;
  color:var(--text-1); font-size:.92rem; line-height:1.6;
  padding:6px 0;
}
.detail-list li i{color:var(--accent); margin-top:5px; font-size:.65rem;}

.chip-row{display:flex; flex-wrap:wrap; gap:10px;}
.chip{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.82rem; color:var(--text-0);
  background:var(--accent-soft);
  border:1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding:8px 14px; border-radius:100px;
}
.chip i{color:var(--accent); font-size:.7rem;}

.detail-panel__progress{
  margin-top:30px; position:relative; z-index:1;
}
.detail-panel__progress-track{
  height:8px; border-radius:100px; background:rgba(255,255,255,.08); overflow:hidden; margin-bottom:8px;
}
.detail-panel__progress-fill{
  height:100%; border-radius:100px;
  background:linear-gradient(90deg, var(--accent), var(--neon-cyan));
  transition:width 1s var(--ease);
}
.detail-panel__progress span{font-family:var(--font-mono); font-size:.72rem; color:var(--text-2);}

.detail-panel__actions{
  display:flex; gap:14px; flex-wrap:wrap; margin-top:26px;
  position:relative; z-index:1;
}
.detail-panel__actions .btn-glow{
  background:linear-gradient(90deg, var(--accent), var(--neon-cyan));
  box-shadow:0 8px 30px -6px var(--accent);
  flex:1 1 260px;
}
.detail-panel__actions .btn-ghost{flex:0 0 auto;}

.detail-panel__nav{
  display:flex; justify-content:space-between; gap:12px;
  margin-top:24px; padding-top:22px;
  border-top:1px solid var(--border-soft);
  position:relative; z-index:1;
}
.detail-panel__nav-btn{
  background:none; border:none; color:var(--text-2);
  font-size:.85rem; display:flex; align-items:center; gap:8px;
  cursor:pointer; transition:color .2s;
  padding:8px 4px;
}
.detail-panel__nav-btn:hover:not(:disabled){color:var(--accent);}
.detail-panel__nav-btn:disabled{opacity:.25; cursor:not-allowed;}

/* ---------------------------------------------------------------------- */
/*  SEMESTER SECTION                                                      */
/* ---------------------------------------------------------------------- */

.semester-grid{
  max-width:1100px; margin:50px auto 0;
  display:grid; grid-template-columns:1fr auto 1fr; gap:20px; align-items:stretch;
}
@media (max-width:820px){ .semester-grid{grid-template-columns:1fr;} }

.semester-connector{
  display:flex; align-items:center; justify-content:center;
  color:var(--text-2); font-size:1.4rem;
}
@media (max-width:820px){ .semester-connector{display:none;} }

.semester-card{
  border:1px solid var(--border);
  background:var(--surface);
  backdrop-filter:blur(16px);
  border-radius:var(--radius-lg);
  padding:28px 26px;
}
.semester-card__head{display:flex; align-items:center; gap:16px; margin-bottom:20px; padding-bottom:18px; border-bottom:1px solid var(--border-soft);}
.semester-card__num{
  font-family:var(--font-mono); font-weight:700; font-size:1.8rem;
  color:var(--neon-cyan); opacity:.5;
}
.semester-card__head h3{margin:0 0 2px; font-size:1.2rem; font-weight:700;}
.semester-card__head p{margin:0; color:var(--text-2); font-size:.85rem;}

.semester-card__list li{
  display:flex; align-items:center; gap:12px;
  padding:12px 10px; border-radius:12px;
  transition:background .25s;
}
.semester-card__list li:hover{background:rgba(255,255,255,0.04);}
.semester-card__list-num{
  font-family:var(--font-mono); font-size:.72rem; color:var(--accent); font-weight:700; width:22px;
}
.semester-card__list-icon{
  width:34px; height:34px; border-radius:9px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  color:var(--accent); background:color-mix(in srgb, var(--accent) 16%, transparent);
  font-size:.85rem;
}
.semester-card__list-text{flex:1; font-size:.9rem; color:var(--text-1);}
.semester-card__list-go{
  width:28px; height:28px; border-radius:50%; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  color:var(--text-2); font-size:.7rem;
  border:1px solid var(--border);
  transition:all .2s;
}
.semester-card__list li:hover .semester-card__list-go{color:var(--accent); border-color:var(--accent); transform:translateX(2px);}

/* ---------------------------------------------------------------------- */
/*  TARGET SECTION                                                        */
/* ---------------------------------------------------------------------- */

.target-grid{
  max-width:1100px; margin:40px auto 50px;
  display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:16px;
}
.target-item{
  display:flex; align-items:center; gap:14px;
  border:1px solid var(--border);
  background:var(--surface);
  backdrop-filter:blur(14px);
  border-radius:var(--radius-md);
  padding:18px;
  transition:transform .3s var(--ease), border-color .3s;
}
.target-item:hover{transform:translateY(-4px); border-color:rgba(0,229,255,.4);}
.target-item__icon{
  width:42px; height:42px; border-radius:12px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, var(--neon-violet), var(--neon-cyan));
  color:#04060f; font-size:1rem;
}
.target-item p{margin:0; font-size:.88rem; color:var(--text-1); line-height:1.4;}

.progress-wrap{max-width:800px; margin:0 auto;}
.progress-wrap__labels{
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--font-mono); font-size:.75rem; color:var(--text-2);
  margin-bottom:12px;
}
.progress-wrap__title{
  font-family:var(--font-display); color:var(--text-0); font-weight:600; font-size:.9rem;
  display:flex; align-items:center; gap:8px;
}
.progress-wrap__title i{color:var(--neon-cyan);}

.progress-track{
  position:relative; height:14px; border-radius:100px;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border-soft);
  overflow:visible;
}
.progress-fill{
  position:relative; height:100%; width:0%; border-radius:100px;
  background:linear-gradient(90deg, var(--neon-violet), var(--neon-cyan), var(--neon-pink));
  transition:width 2.2s var(--ease);
  overflow:hidden;
}
.progress-fill__glow{
  position:absolute; inset:0;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent);
  width:60px;
  animation:shimmer 2s linear infinite;
}
@keyframes shimmer{0%{transform:translateX(-80px);}100%{transform:translateX(220%);}}

.progress-marker{
  position:absolute; top:50%; left:0%;
  transform:translate(-50%,-50%);
  width:30px; height:30px; border-radius:50%;
  background:var(--bg-0); border:2px solid var(--neon-cyan);
  display:flex; align-items:center; justify-content:center;
  color:var(--neon-cyan); font-size:.8rem;
  box-shadow:0 0 16px rgba(0,229,255,.6);
  transition:left 2.2s var(--ease);
}

/* ---------------------------------------------------------------------- */
/*  QUOTES                                                                */
/* ---------------------------------------------------------------------- */

.quotes-grid{
  max-width:1000px; margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:24px;
}
@media (max-width:760px){ .quotes-grid{grid-template-columns:1fr;} }

.quote-card{
  margin:0;
  border:1px solid var(--border);
  background:linear-gradient(160deg, rgba(124,77,255,.08), rgba(0,229,255,.04));
  backdrop-filter:blur(14px);
  border-radius:var(--radius-lg);
  padding:36px 30px;
  position:relative;
}
.quote-card__icon{
  color:var(--neon-cyan); opacity:.5; font-size:1.4rem; margin-bottom:14px; display:block;
}
.quote-card p{
  margin:0; font-size:1.15rem; font-weight:500; line-height:1.6; color:var(--text-0);
  font-style:italic;
}

/* ---------------------------------------------------------------------- */
/*  FOOTER                                                                */
/* ---------------------------------------------------------------------- */

.site-footer{
  padding:50px 24px; text-align:center;
  border-top:1px solid var(--border-soft);
}
.site-footer__brand{
  font-weight:700; font-size:1.05rem; margin-bottom:10px;
  display:flex; align-items:center; justify-content:center; gap:10px;
  color:var(--text-0);
}
.site-footer__brand i{color:var(--neon-cyan);}
.site-footer p{color:var(--text-2); font-size:.85rem; max-width:520px; margin:0 auto 18px;}
.site-footer__back{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.82rem; color:var(--text-1);
  border:1px solid var(--border); border-radius:100px; padding:8px 18px;
  transition:all .2s;
}
.site-footer__back:hover{color:var(--neon-cyan); border-color:var(--neon-cyan);}

/* ---------------------------------------------------------------------- */
/*  RESPONSIVE / TV-PROJECTOR TUNING                                      */
/* ---------------------------------------------------------------------- */

@media (min-width:1600px){
  body{font-size:1.08rem;}
  .hero__title{font-size:5.2rem;}
}

@media (max-width:480px){
  .hero{padding-top:120px;}
  .section-intro, .section-semester, .section-target, .section-quotes{padding:70px 18px 30px;}
}