/* ============================================================
   TOKENS (same family as the campaign site)
   ============================================================ */
:root{
  --navy-deep:#071433;
  --navy:#0B1F4D;
  --blue:#2F6FED;
  --sky:#4FA8DE;
  --gold:#D4AF37;
  --gold-light:#F0D77B;
  --cream:#F7F8FB;
  --ink:#0F1B33;
  --ink-soft:#4A5570;
  --white:#FFFFFF;
  --green:#2FB57C;

  --font-display:'Sora', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius:16px;
  --radius-sm:10px;
  --shadow-soft:0 20px 45px -20px rgba(11,31,77,0.35);
  --shadow-card:0 10px 30px -12px rgba(11,31,77,0.25);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-body);color:var(--ink);background:var(--cream);overflow-x:hidden;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.accent{color:var(--gold);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* ============================================================
   SPLASH
   ============================================================ */
#splash{
  position:fixed;inset:0;z-index:999;
  background:radial-gradient(circle at 50% 30%, var(--navy) 0%, var(--navy-deep) 75%);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s ease, visibility .7s ease;
}
#splash.hide{opacity:0;visibility:hidden;pointer-events:none;}
.splash-inner{text-align:center;padding:0 24px;}
.splash-logo{
  font-family:'Sora',monospace;font-weight:800;font-size:2.6rem;color:var(--gold);
  animation:logoPop 1s cubic-bezier(.34,1.56,.64,1) both;
  filter:drop-shadow(0 10px 25px rgba(212,175,55,0.35));
}
@keyframes logoPop{
  0%{transform:scale(.3) rotate(-8deg);opacity:0;}
  60%{transform:scale(1.1) rotate(2deg);opacity:1;}
  100%{transform:scale(1) rotate(0);opacity:1;}
}
.splash-tag{margin-top:16px;font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--sky);line-height:1.5;}
.splash-loader{margin-top:22px;display:flex;gap:6px;justify-content:center;}
.splash-loader span{width:7px;height:7px;border-radius:50%;background:var(--sky);animation:bounce 1s infinite ease-in-out;}
.splash-loader span:nth-child(2){animation-delay:.15s;}
.splash-loader span:nth-child(3){animation-delay:.3s;}
@keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:.5;}40%{transform:translateY(-6px);opacity:1;}}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(7,20,51,0);transition:background .35s ease, box-shadow .35s ease;}
.site-header.scrolled{background:rgba(7,20,51,0.92);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,0.15);}
.nav-wrap{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-logo{font-family:'Sora',monospace;font-weight:800;color:var(--gold);font-size:1.1rem;}
.brand-text{font-family:var(--font-display);font-weight:700;color:var(--white);font-size:1rem;}
.nav-links{display:flex;gap:28px;}
.nav-links a{color:rgba(255,255,255,0.85);font-size:.92rem;font-weight:500;transition:color .2s ease;}
.nav-links a:hover{color:var(--gold-light);}
.nav-cta{padding:10px 18px;font-size:.85rem;}
@media (max-width:820px){.nav-links{display:none;}}

/* ============================================================
   BUTTONS & CHIPS
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:999px;font-family:var(--font-display);font-weight:700;font-size:.92rem;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;border:2px solid transparent;cursor:pointer;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--gold);color:var(--navy-deep);box-shadow:0 10px 25px -8px rgba(212,175,55,0.6);}
.btn-primary:hover{background:var(--gold-light);}
.btn-gold{background:var(--gold);color:var(--navy-deep);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,0.5);color:var(--white);}
.btn-ghost:hover{background:rgba(255,255,255,0.1);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,0.25);color:rgba(255,255,255,0.85);}
.btn-ghost-dark:hover{background:rgba(255,255,255,0.08);}
.btn:disabled{opacity:.35;cursor:not-allowed;transform:none;}

.chip{display:inline-block;padding:8px 16px;border-radius:999px;font-family:var(--font-display);font-weight:600;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;}
.chip-outline{border:1.5px solid rgba(255,255,255,0.5);color:var(--white);}
.chip-solid{background:var(--blue);color:var(--white);}

.eyebrow{display:block;font-family:var(--font-display);font-weight:700;color:var(--blue);letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;margin-bottom:10px;}
.eyebrow-light{color:var(--sky);text-align:center;}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden;background:linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, var(--blue) 130%);}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(circle at 15% 20%, rgba(79,168,222,0.18), transparent 45%),
  radial-gradient(circle at 85% 80%, rgba(212,175,55,0.12), transparent 45%);}
.hero-ring{position:absolute;border-radius:50%;border:2px solid rgba(79,168,222,0.3);pointer-events:none;}
.ring-1{width:520px;height:520px;top:-160px;right:-140px;}
.ring-2{width:340px;height:340px;bottom:-120px;right:120px;border-color:rgba(212,175,55,0.25);}

.hero-content{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;}
.hero-text h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,4.6vw,3.3rem);line-height:1.12;color:var(--white);margin-top:16px;}
.hero-sub{color:rgba(255,255,255,0.82);font-size:1.02rem;line-height:1.65;margin-top:16px;max-width:480px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}

.progress-pill{margin-top:30px;display:flex;align-items:center;gap:12px;max-width:400px;}
.progress-track{flex:1;height:8px;border-radius:999px;background:rgba(255,255,255,0.15);overflow:hidden;}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg, var(--gold), var(--gold-light));border-radius:999px;transition:width .5s ease;}
#overallProgressText{font-size:.78rem;color:rgba(255,255,255,0.75);white-space:nowrap;}

.hero-photo{position:relative;justify-self:center;}
.photo-frame{width:270px;height:330px;border-radius:24px;overflow:hidden;border:4px solid rgba(255,255,255,0.25);box-shadow:var(--shadow-soft);transform:rotate(2deg);}
.photo-frame img{width:100%;height:100%;object-fit:cover;}
.photo-tag{position:absolute;left:-10px;bottom:-18px;background:var(--white);border-radius:var(--radius-sm);padding:12px 18px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transform:rotate(-2deg);}
.photo-tag strong{font-family:var(--font-display);font-size:.92rem;color:var(--navy);}
.photo-tag span{font-size:.74rem;color:var(--ink-soft);margin-top:2px;}

@media (max-width:900px){
  .hero-content{grid-template-columns:1fr;text-align:center;}
  .hero-sub{margin:16px auto 0;}
  .hero-actions{justify-content:center;}
  .progress-pill{margin:30px auto 0;}
  .hero-photo{margin-top:20px;}
  .photo-tag{left:50%;transform:translateX(-50%) rotate(0);bottom:-16px;}
}

/* ============================================================
   COURSE SECTION
   ============================================================ */
.section{padding:96px 0;}
.section-title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,3.4vw,2.5rem);color:var(--navy);margin-bottom:14px;max-width:640px;}
.section-sub{color:var(--ink-soft);line-height:1.7;max-width:640px;margin-bottom:46px;font-size:1rem;}

.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.module-card{
  background:var(--white);border-radius:var(--radius);padding:26px 24px;
  box-shadow:var(--shadow-card);border:1px solid rgba(11,31,77,0.06);
  display:flex;flex-direction:column;gap:14px;cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease;
}
.module-card:hover{transform:translateY(-6px);box-shadow:0 22px 45px -18px rgba(11,31,77,0.3);}
.module-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--navy);}
.module-icon svg{width:26px;height:26px;stroke:var(--gold-light);}
.module-num{font-family:var(--font-display);font-weight:700;color:var(--blue);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;}
.module-card h3{font-family:var(--font-display);color:var(--navy);font-size:1.08rem;}
.module-card p{color:var(--ink-soft);font-size:.9rem;line-height:1.55;flex:1;}
.module-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px;}
.module-progress-track{flex:1;height:6px;border-radius:999px;background:#EEF1F8;overflow:hidden;margin-right:12px;}
.module-progress-fill{height:100%;background:var(--blue);border-radius:999px;}
.module-status{font-size:.74rem;font-weight:700;color:var(--blue);white-space:nowrap;}
.module-status.done{color:var(--green);}

@media (max-width:960px){.module-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:620px){.module-grid{grid-template-columns:1fr;}}

/* ============================================================
   DOWNLOAD WORKBOOK
   ============================================================ */
.download{background:var(--white);}
.download-card{
  display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center;
  background:linear-gradient(120deg,#F3F6FF,#FFFDF3);
  border:1px solid rgba(11,31,77,0.07);border-radius:24px;
  padding:52px;box-shadow:var(--shadow-card);
}
.download-meta{margin-top:14px;font-size:.82rem;color:var(--ink-soft);}
.download-visual{display:flex;justify-content:center;}
.pdf-mock{
  width:190px;height:250px;border-radius:16px;
  background:linear-gradient(155deg, var(--navy-deep), var(--navy) 60%, var(--blue));
  box-shadow:var(--shadow-soft);color:var(--white);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  transform:rotate(-3deg);position:relative;
}
.pdf-mock::after{
  content:"PDF";position:absolute;bottom:14px;right:14px;
  background:var(--gold);color:var(--navy-deep);font-family:var(--font-display);
  font-weight:800;font-size:.65rem;padding:4px 8px;border-radius:6px;letter-spacing:.05em;
}
.pdf-mock-icon{font-family:'Sora',monospace;font-weight:800;color:var(--gold-light);font-size:1.6rem;}
.pdf-mock-title{font-family:var(--font-display);font-weight:700;font-size:1rem;text-align:center;line-height:1.3;}
.pdf-mock-sub{font-size:.72rem;color:rgba(255,255,255,0.65);}

@media (max-width:860px){
  .download-card{grid-template-columns:1fr;padding:36px 26px;text-align:center;}
  .download-copy .btn, .download-copy p{margin-left:auto;margin-right:auto;}
}

/* ============================================================
   "QUIET TECH" DECORATIVE ACCENT
   ============================================================ */
.about{position:relative;background:linear-gradient(180deg, var(--navy-deep), var(--navy) 60%, var(--navy-deep));}
.tech-pattern{
  position:absolute;inset:0;pointer-events:none;opacity:.16;z-index:0;
  background-image:
    radial-gradient(circle, rgba(79,168,222,0.9) 1.5px, transparent 1.5px),
    linear-gradient(rgba(79,168,222,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,168,222,0.5) 1px, transparent 1px);
  background-size: 46px 46px, 46px 46px, 46px 46px;
  background-position: 0 0, 0 0, 0 0;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 72%);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-inner{max-width:680px;margin:0 auto;text-align:center;position:relative;z-index:1;}
.section-title-light{font-family:var(--font-display);font-weight:800;color:var(--white);font-size:clamp(1.7rem,3.2vw,2.3rem);margin:0 auto 24px;line-height:1.2;}
.about-text{color:rgba(255,255,255,0.8);line-height:1.75;font-size:1.02rem;margin-bottom:16px;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--navy-deep);padding:36px 0 28px;}
.footer-grid{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-logo{font-family:'Sora',monospace;font-weight:800;color:var(--gold);font-size:1.2rem;}
.footer-brand strong{display:block;color:var(--white);font-family:var(--font-display);font-size:.95rem;}
.footer-brand span{display:block;color:rgba(255,255,255,0.6);font-size:.78rem;margin-top:2px;}
.footer-tag{font-family:var(--font-display);font-weight:800;color:var(--gold);letter-spacing:.06em;font-size:.85rem;}

/* ============================================================
   SLIDE PLAYER (full screen)
   ============================================================ */
.player{
  position:fixed;inset:0;z-index:500;background:var(--cream);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity .3s ease, visibility .3s ease, transform .3s ease;
}
.player.open{opacity:1;visibility:visible;transform:translateY(0);}

.player-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;background:var(--navy);flex-wrap:wrap;
}
.player-back{background:rgba(255,255,255,0.1);border:none;color:var(--white);padding:9px 16px;border-radius:999px;font-family:var(--font-display);font-size:.82rem;font-weight:600;cursor:pointer;}
.player-back:hover{background:rgba(255,255,255,0.18);}
.player-module-title{font-family:var(--font-display);font-weight:700;color:var(--white);font-size:.95rem;text-align:center;flex:1;}
.player-dots{display:flex;gap:6px;}
.player-dots .dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.25);transition:background .2s ease;}
.player-dots .dot.active{background:var(--gold);}
.player-dots .dot.seen{background:rgba(212,175,55,0.5);}

.player-body{flex:1;overflow-y:auto;display:flex;align-items:center;justify-content:center;padding:40px 24px;}
.slide{max-width:760px;width:100%;text-align:center;animation:slideIn .35s ease both;}
@keyframes slideIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}

.slide-illustration{width:150px;height:150px;margin:0 auto 28px;display:flex;align-items:center;justify-content:center;background:var(--white);border-radius:28px;box-shadow:var(--shadow-card);}
.slide-illustration svg{width:78px;height:78px;stroke:var(--blue);}
.slide-kicker{font-family:var(--font-display);font-weight:700;color:var(--blue);letter-spacing:.1em;text-transform:uppercase;font-size:.76rem;margin-bottom:10px;}
.slide h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.5rem,3.4vw,2.1rem);color:var(--navy);margin-bottom:18px;line-height:1.25;}
.slide-body{color:var(--ink-soft);font-size:1.05rem;line-height:1.8;max-width:600px;margin:0 auto;}
.slide-body p{margin-bottom:14px;}
.slide-code{
  margin:20px auto 0;max-width:520px;text-align:left;background:var(--navy-deep);color:#D6E4FF;
  border-radius:var(--radius-sm);padding:16px 20px;font-family:'Courier New',monospace;
  font-size:.88rem;line-height:1.6;overflow-x:auto;
}
.slide-tip{
  margin:22px auto 0;max-width:560px;background:#FFF7E0;border:1px solid #F0DFA0;
  border-radius:var(--radius-sm);padding:14px 18px;color:#7A5C00;font-size:.88rem;text-align:left;
}
.slide-tip strong{color:#5C4400;}

.player-nav{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:var(--white);border-top:1px solid rgba(11,31,77,0.08);}
.player-count{font-family:var(--font-display);font-size:.8rem;color:var(--ink-soft);font-weight:600;}

@media (max-width:640px){
  .player-dots{display:none;}
  .slide-illustration{width:110px;height:110px;}
  .slide-illustration svg{width:56px;height:56px;}
}

/* ============================================================
   AI ASSISTANT — floating button + panel
   ============================================================ */
.fab{
  position:fixed;right:20px;bottom:20px;z-index:150;
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px -8px rgba(0,0,0,0.4);
  border:none;cursor:pointer;transition:transform .2s ease;
}
.fab:hover{transform:scale(1.08);}
.fab-icon{font-size:1.55rem;}
.fab-ai{background:linear-gradient(135deg, var(--gold), var(--gold-light));}

.ai-backdrop{
  position:fixed;inset:0;background:rgba(7,20,51,0.45);
  z-index:160;opacity:0;visibility:hidden;transition:opacity .3s ease, visibility .3s ease;
}
.ai-backdrop.show{opacity:1;visibility:visible;}

.ai-panel{
  position:fixed;right:20px;bottom:20px;z-index:170;
  width:370px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 100px);
  background:var(--white);border-radius:20px;
  box-shadow:0 25px 60px -15px rgba(0,0,0,0.4);
  display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(20px) scale(.96);opacity:0;visibility:hidden;
  transition:all .28s cubic-bezier(.34,1.56,.64,1);
}
.ai-panel.open{transform:translateY(0) scale(1);opacity:1;visibility:visible;}

.ai-header{
  background:linear-gradient(120deg, var(--navy), var(--blue));
  padding:16px 18px;display:flex;align-items:center;justify-content:space-between;
}
.ai-header-title{display:flex;align-items:center;gap:10px;}
.ai-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;font-size:1.1rem;}
.ai-header-title strong{display:block;color:var(--white);font-family:var(--font-display);font-size:.92rem;}
.ai-header-title span{display:block;color:rgba(255,255,255,0.7);font-size:.72rem;margin-top:1px;}
.ai-close{background:none;border:none;color:rgba(255,255,255,0.85);font-size:1rem;cursor:pointer;width:30px;height:30px;border-radius:50%;}
.ai-close:hover{background:rgba(255,255,255,0.12);}

.ai-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#F3F5FA;}
.msg{max-width:84%;padding:11px 14px;border-radius:14px;font-size:.87rem;line-height:1.5;}
.msg-bot{background:var(--white);color:var(--ink);align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,0.06);}
.msg-user{background:var(--blue);color:var(--white);align-self:flex-end;border-bottom-right-radius:4px;}
.msg-lesson-link{
  display:inline-block;margin-top:8px;background:var(--navy);color:#fff;
  padding:7px 13px;border-radius:999px;font-size:.76rem;font-weight:600;cursor:pointer;border:none;
}
.msg-lesson-link:hover{background:var(--navy-deep);}

.ai-suggestions{padding:10px 14px;display:flex;gap:8px;flex-wrap:wrap;background:var(--white);border-top:1px solid #eef0f5;}
.chip-suggest{background:#EEF2FC;color:var(--navy);border:none;padding:7px 12px;border-radius:999px;font-size:.76rem;cursor:pointer;font-family:var(--font-body);transition:background .2s ease;}
.chip-suggest:hover{background:#DCE6FB;}

.ai-input-row{display:flex;gap:8px;padding:12px 14px;background:var(--white);border-top:1px solid #eef0f5;}
.ai-input-row input{flex:1;border:1.5px solid #e3e7f0;border-radius:999px;padding:11px 16px;font-family:var(--font-body);font-size:.88rem;outline:none;}
.ai-input-row input:focus{border-color:var(--blue);}
.ai-send{width:42px;height:42px;border-radius:50%;border:none;background:var(--blue);color:var(--white);font-size:1rem;cursor:pointer;flex-shrink:0;}
.ai-send:hover{background:var(--navy);}

@media (max-width:480px){
  .ai-panel{width:calc(100vw - 24px);right:12px;bottom:88px;height:62vh;}
  .fab{right:14px;bottom:14px;}
}