/* ═══════════════════════════════════════════════════════
   GLACE BYTE — SHARED STYLESHEET
   Covers: tokens, reset, layout, header, nav, modal,
           cards, typography, buttons, footer, ambient
═══════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────── */
:root {
  --bg:       #060810;
  --bg2:      #0A0E1A;
  --bg3:      #0D1220;
  --blue:     #2563EB;
  --indigo:   #6366F1;
  --violet:   #7C3AED;
  --grad:     linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --grad-r:   linear-gradient(135deg, #7C3AED 0%, #2563EB 100%);
  --glow:     rgba(99,102,241,0.35);
  --glow-sm:  rgba(99,102,241,0.15);
  --border:   rgba(99,102,241,0.14);
  --border-h: rgba(99,102,241,0.38);
  --card:     rgba(255,255,255,0.03);
  --card-h:   rgba(99,102,241,0.07);
  --text:     #EEF2FF;
  --text2:    #8B92AB;
  --text3:    #3F4559;
  --font-d:   'Sora', sans-serif;
  --font-b:   'Inter', sans-serif;
  --ease:     cubic-bezier(0.22,1,0.36,1);
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ─────────────────────────────────────────── */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 2.5rem; }
@media (max-width: 768px) { .wrap { padding: 0 1.2rem; } }

/* ── Utility ────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Progress Bar ───────────────────────────────────── */
#gb-bar {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 2.5px; width: 0;
  background: var(--grad);
  border-radius: 0 2px 2px 0;
  transition: width .08s linear;
}

/* ── Ambient Orbs ───────────────────────────────────── */
.gb-ambient { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(110px);
  animation: float 22s ease-in-out infinite alternate;
}
.orb-1 {
  width: 700px; height: 700px; top: -220px; left: -180px;
  background: radial-gradient(circle, rgba(37,99,235,.1) 0%, transparent 70%);
}
.orb-2 {
  width: 550px; height: 550px; bottom: -180px; right: -130px;
  background: radial-gradient(circle, rgba(124,58,237,.09) 0%, transparent 70%);
  animation-delay: -10s;
}
.orb-3 {
  width: 400px; height: 400px; top: 45%; left: 52%;
  background: radial-gradient(circle, rgba(99,102,241,.06) 0%, transparent 70%);
  animation-delay: -17s;
}
@keyframes float {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px,55px) scale(1.12); }
}

/* Dot grid overlay */
.gb-dots {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: radial-gradient(rgba(99,102,241,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ── Typography ─────────────────────────────────────── */
.display {
  font-family: var(--font-d); font-weight: 800;
  line-height: 1.03; letter-spacing: -.035em; color: var(--text);
}
.grad-text {
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--indigo); margin-bottom: 1rem;
}
.eyebrow::before {
  content: ''; width: 18px; height: 1.5px;
  background: var(--grad); border-radius: 2px;
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-b); font-weight: 600;
  border-radius: 50px; text-decoration: none; border: none; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s, opacity .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  padding: .85rem 2rem; font-size: .9rem;
  background: var(--grad); color: #fff;
  box-shadow: 0 4px 24px var(--glow-sm);
}
.btn-primary:hover { box-shadow: 0 8px 36px var(--glow); }
.btn-outline {
  padding: .85rem 2rem; font-size: .9rem;
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--border-h); background: var(--card-h); }

/* ── Cards ──────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 1.25rem;
  transition: background .3s, border-color .3s, box-shadow .3s, transform .3s;
}
.card:hover {
  background: var(--card-h); border-color: var(--border-h);
  box-shadow: 0 8px 48px rgba(99,102,241,.1);
}
.card-feat {
  border-color: rgba(99,102,241,.3) !important;
  background: linear-gradient(145deg, rgba(99,102,241,.08), rgba(124,58,237,.04)) !important;
  position: relative; overflow: hidden;
}
.card-feat::before {
  content: ''; position: absolute; inset-x: 0; top: 0; height: 2px;
  background: var(--grad); border-radius: 1.25rem 1.25rem 0 0;
}

/* ── Header / Nav ───────────────────────────────────── */
#hdr {
  position: sticky; top: 0; z-index: 800;
  height: 68px; padding: 0 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(6,8,16,.88);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
}
@media (max-width: 768px) { #hdr { padding: 0 1.2rem; } }

.logo {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-d); font-weight: 800; font-size: 1.15rem;
  color: var(--text); text-decoration: none; letter-spacing: -.02em;
}
.logo img { height: 32px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 2.25rem; list-style: none; }
.nav-links a {
  position: relative; font-size: .875rem; font-weight: 500;
  color: var(--text2); text-decoration: none; padding-bottom: 3px;
  transition: color .25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1.5px; background: var(--grad);
  transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links .active-link { color: var(--text) !important; }
.nav-links .active-link::after { width: 100% !important; }
.nav-cta {
  padding: .55rem 1.35rem; background: var(--grad); color: #fff !important;
  border-radius: 50px; font-size: .825rem; font-weight: 700;
  box-shadow: 0 3px 18px var(--glow-sm);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 26px var(--glow); }

#mob-btn { display: none; background: none; border: none; color: var(--text); font-size: 1.35rem; cursor: pointer; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  #mob-btn { display: block; }
}

#mob-menu {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(6,8,16,.97); backdrop-filter: blur(28px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2.5rem; opacity: 0; pointer-events: none;
  transform: translateX(100%); transition: opacity .35s, transform .35s;
}
#mob-menu.open { opacity: 1; pointer-events: all; transform: none; }
#mob-menu a {
  font-family: var(--font-d); font-size: 2.2rem; font-weight: 800;
  color: var(--text2); text-decoration: none; transition: color .2s;
}
#mob-menu a:hover { color: var(--text); }

/* ── Footer Shared ──────────────────────────────────── */
.f-bottom {
  border-top: 1px solid var(--border); padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem; color: var(--text3); font-size: .78rem;
}
.soc {
  width: 40px; height: 40px; border-radius: .5rem;
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); font-size: .9rem; text-decoration: none;
  transition: background .2s, border-color .2s, color .2s;
}
.soc:hover { background: rgba(99,102,241,.12); border-color: var(--border-h); color: #A5B4FC; }

/* ── Enrollment Modal ───────────────────────────────── */
#enroll-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: none;
  align-items: center; justify-content: center;
  padding: 1rem;
}
#enroll-overlay {
  position: absolute; inset: 0;
  background: rgba(6,8,16,.94);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
#enroll-card {
  position: relative; z-index: 2;
  width: 100%; max-width: 500px;
  background: #0B0F1C;
  border: 1px solid rgba(99,102,241,.22);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 32px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(99,102,241,.08);
  overflow: hidden;
}
#enroll-card::before {
  content: '';
  position: absolute; inset-x: 0; top: 0;
  height: 2px;
  background: var(--grad);
}
#form-container { display: flex; flex-direction: column; gap: 1.1rem; }
#success-message {
  display: none;
  flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 1rem 0;
}
#close-modal {
  position: absolute; top: 1.25rem; right: 1.25rem;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(99,102,241,.18);
  color: var(--text2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: .9rem;
  transition: background .2s, color .2s;
}
#close-modal:hover { background: rgba(255,255,255,.12); color: var(--text); }

/* Modal form elements */
.m-lbl {
  display: block; font-size: .7rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--indigo); margin-bottom: .5rem;
}
.m-inp {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: .75rem;
  padding: .875rem 1.1rem;
  color: var(--text);
  font-family: var(--font-b); font-size: .9rem;
  outline: none;
  transition: border-color .25s, background .25s, box-shadow .25s;
  -webkit-appearance: none;
}
.m-inp::placeholder { color: var(--text3); }
.m-inp:focus {
  border-color: var(--indigo);
  background: rgba(99,102,241,.06);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
select.m-inp { cursor: pointer; background-color: #0A0E1A; }
select.m-inp option { background: #0D1220; color: var(--text); }

/* ── Animations ─────────────────────────────────────── */
@keyframes ping    { 75%,100%{ transform:scale(1.9); opacity:0; } }
@keyframes blink   { 50%{ opacity:0; } }
@keyframes blink-dot { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:.4;transform:scale(.7);} }
@keyframes scr-down { 0%{transform:translateY(0);opacity:1;} 100%{transform:translateY(11px);opacity:0;} }