/* ============================================================
   GoCourse — Launching Soon
   assets/css/style.css
   ============================================================ */

/* ---------------- TOKENS ---------------- */
:root{
  --bg:#070b18;
  --bg-2:#0c1226;
  --ink:#eef2ff;
  --muted:#96a2c4;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.045);
  --brand:#5b8cff;
  --brand-2:#8b5cf6;
  --accent:#22d3ee;
  --lime:#a3e635;
  --danger:#fb7185;
  --radius:20px;
  --maxw:1120px;
  --shadow:0 30px 80px -30px rgba(0,0,0,.85);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  min-height:100vh;
  font-family:'Outfit',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
}

/* ---------------- BACKGROUND ---------------- */
.bg{
  position:fixed;inset:0;z-index:-3;overflow:hidden;
  background:
    radial-gradient(1200px 800px at 15% -10%, #16204a 0%, transparent 60%),
    radial-gradient(1000px 700px at 100% 0%, #241a4d 0%, transparent 55%),
    radial-gradient(900px 900px at 50% 120%, #0d2a3a 0%, transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
}

.grid{
  position:fixed;inset:-2px;z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 65% at 50% 35%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 35%,#000 30%,transparent 78%);
  animation:drift 40s linear infinite;
}
@keyframes drift{to{background-position:64px 64px,64px 64px}}

.orb{position:fixed;z-index:-1;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.orb.a{width:520px;height:520px;background:radial-gradient(circle,#3b6bff,transparent 65%);top:-160px;left:-140px;animation:float1 18s ease-in-out infinite}
.orb.b{width:460px;height:460px;background:radial-gradient(circle,#a855f7,transparent 65%);bottom:-180px;right:-120px;animation:float2 22s ease-in-out infinite}
.orb.c{width:360px;height:360px;background:radial-gradient(circle,#22d3ee,transparent 65%);top:45%;left:55%;opacity:.28;animation:float1 26s ease-in-out infinite reverse}
@keyframes float1{50%{transform:translate3d(60px,50px,0) scale(1.12)}}
@keyframes float2{50%{transform:translate3d(-70px,-40px,0) scale(1.08)}}

#stars{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55}

/* ---------------- SHELL ---------------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

header{padding:28px 0 8px;position:relative;z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}

.brand{display:flex;flex-direction:column;align-items:flex-start;gap:5px;text-decoration:none;color:inherit}
.brand-logo{
  display:block;height:34px;width:auto;
  filter:drop-shadow(0 6px 18px rgba(214,160,50,.3));
  transition:transform .25s ease;
}
.brand:hover .brand-logo{transform:translateY(-2px)}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2.4px;text-transform:uppercase;padding-left:3px}

.nav-pill{
  display:flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(12px);
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none;
  box-shadow:0 0 0 0 rgba(163,230,53,.55);animation:pulse 2s infinite;
}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(163,230,53,0)}100%{box-shadow:0 0 0 0 rgba(163,230,53,0)}}

main{flex:1;display:flex;align-items:center;padding:40px 0 56px}
.hero{text-align:center}

/* ---------------- HERO ---------------- */
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:999px;
  border:1px solid rgba(139,92,246,.35);
  background:linear-gradient(90deg,rgba(91,140,255,.14),rgba(139,92,246,.14));
  font-size:13px;font-weight:500;letter-spacing:.4px;color:#cfd8ff;
  backdrop-filter:blur(10px);
}
.badge svg{width:15px;height:15px;flex:none;color:#a78bfa}

h1{
  margin:26px 0 0;
  font-size:clamp(2.6rem,7.4vw,5.4rem);
  line-height:1.02;font-weight:800;letter-spacing:-2.5px;
}
h1 .grad{
  background:linear-gradient(100deg,#5b8cff 0%,#8b5cf6 38%,#22d3ee 72%,#5b8cff 100%);
  background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 7s linear infinite;
}
@keyframes shine{to{background-position:220% center}}

.lede{
  margin:22px auto 0;max-width:640px;
  font-size:clamp(1rem,1.9vw,1.19rem);line-height:1.65;color:var(--muted);font-weight:300;
}
.lede b{color:#dbe3ff;font-weight:500}

/* ---------------- COUNTDOWN ---------------- */
.countdown{
  margin:44px auto 0;display:grid;gap:16px;
  grid-template-columns:repeat(4,minmax(0,1fr));max-width:720px;
}
.unit{
  position:relative;padding:22px 8px 16px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  backdrop-filter:blur(16px);box-shadow:var(--shadow);
  overflow:hidden;
}
.unit::before{
  content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(160deg,rgba(255,255,255,.4),transparent 45%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.unit::after{
  content:'';position:absolute;left:50%;top:0;width:60%;height:1px;transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.7;
}
.num{
  display:block;
  font-family:'JetBrains Mono',ui-monospace,monospace;font-weight:700;
  font-size:clamp(2rem,6.2vw,3.5rem);line-height:1;letter-spacing:-2px;
  background:linear-gradient(180deg,#ffffff,#93a7dd);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.num.tick{animation:tick .5s cubic-bezier(.2,.8,.2,1)}
@keyframes tick{
  0%{transform:translateY(-38%) rotateX(55deg);opacity:0;filter:blur(3px)}
  100%{transform:none;opacity:1;filter:none}
}
.lbl{margin-top:10px;font-size:11px;letter-spacing:2.6px;text-transform:uppercase;color:var(--muted)}

.launch-note{margin:20px 0 0;font-size:14px;color:var(--muted)}
.launch-note strong{color:#dbe3ff;font-weight:500}

/* ---------------- SIGNUP ---------------- */
.signup{margin:38px auto 0;max-width:520px}

.field{
  display:flex;gap:8px;padding:7px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
  transition:border-color .25s,box-shadow .25s;
}
.field:focus-within{border-color:rgba(91,140,255,.65);box-shadow:0 0 0 4px rgba(91,140,255,.14),var(--shadow)}

.field input[type=email]{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  color:var(--ink);font:inherit;font-size:15px;padding:12px 18px;
}
.field input::placeholder{color:#6e7ba3}

/* honeypot — hidden from humans, catnip for bots */
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}

.field button{
  position:relative;border:0;cursor:pointer;border-radius:999px;padding:12px 26px;
  font:inherit;font-weight:600;font-size:15px;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 28px -10px rgba(91,140,255,.9);
  transition:transform .2s cubic-bezier(.2,.8,.2,1),filter .2s,opacity .2s;
}
.field button:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.1)}
.field button:active:not(:disabled){transform:translateY(0)}
.field button:disabled{cursor:not-allowed;opacity:.75}

/* htmx request indicator: .htmx-request lands on #signup (hx-indicator) */
.spinner{
  display:none;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.htmx-request .btn-text{display:none}
.htmx-request .spinner{display:inline-block;vertical-align:-3px}
.htmx-request .field{border-color:rgba(91,140,255,.5)}

.field.shake{animation:shake .4s cubic-bezier(.36,.07,.19,.97)}
@keyframes shake{
  10%,90%{transform:translateX(-2px)}
  20%,80%{transform:translateX(4px)}
  30%,50%,70%{transform:translateX(-7px)}
  40%,60%{transform:translateX(7px)}
}

.msg{min-height:22px;margin:12px 0 0;font-size:13.5px;color:var(--muted);transition:color .2s}
.msg.ok{color:var(--lime)}
.msg.err{color:var(--danger)}

/* success state swapped in by api/subscribe.php */
.thanks{
  margin:38px auto 0;max-width:520px;padding:26px 24px;border-radius:var(--radius);
  border:1px solid rgba(163,230,53,.3);
  background:linear-gradient(180deg,rgba(163,230,53,.10),rgba(255,255,255,.02));
  backdrop-filter:blur(16px);box-shadow:var(--shadow);
  animation:rise .6s cubic-bezier(.2,.8,.2,1) both;
}
.thanks .tick-ico{
  width:48px;height:48px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--lime),#22d3ee);color:#07130a;font-size:24px;font-weight:800;
}
.thanks h3{margin:0 0 6px;font-size:19px;font-weight:600;letter-spacing:-.3px}
.thanks p{margin:0;font-size:14px;line-height:1.6;color:var(--muted);font-weight:300}

/* ---------------- FOOTER ---------------- */
footer{padding:26px 0 34px;border-top:1px solid var(--line);position:relative;z-index:5}
.foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.copy{font-size:13px;color:#6e7ba3}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--glass);color:var(--muted);
  transition:transform .25s,color .25s,border-color .25s,background .25s;
}
.socials a:hover{transform:translateY(-3px);color:#fff;border-color:rgba(91,140,255,.5);background:rgba(91,140,255,.16)}
.socials svg{width:17px;height:17px;fill:currentColor}

/* ---------------- REVEAL ---------------- */
.rv{opacity:0;transform:translateY(22px);animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards}
.rv.d1{animation-delay:.08s}
.rv.d2{animation-delay:.18s}
.rv.d3{animation-delay:.30s}
.rv.d4{animation-delay:.42s}
.rv.d5{animation-delay:.54s}
.rv.d6{animation-delay:.66s}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:820px){
  .brand-sub{display:none}
}
@media (max-width:600px){
  .wrap{padding:0 18px}
  h1{letter-spacing:-1.4px}
  .countdown{grid-template-columns:repeat(2,1fr);gap:12px;max-width:400px}
  .unit{padding:18px 6px 14px}
  .field{flex-direction:column;border-radius:20px;padding:10px}
  .field input[type=email]{text-align:center}
  .field button{width:100%;padding:14px}
  .brand-logo{height:27px}
  .nav-pill{display:none}
  .foot{justify-content:center;text-align:center}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .rv{opacity:1;transform:none}
}