/* =========================================================
   TOKENS — bold, saturated brand palette
========================================================= */
:root{
  --bg:            #100a24;
  --bg-2:          #170f2e;
  --card:          #1b1238;
  --card-border:   #3a2a72;
  --text:          #fbf7ff;
  --text-muted:    #b3a8d6;

  --orange:  #ff9a3d;
  --teal:    #22d3ee;
  --coral:   #ff3caf;   /* hot magenta */
  --purple:  #9b5cf6;   /* vivid violet */
  --lime:    #c6ff3d;   /* accent pop, used sparingly */

  --radius: 18px;
  --maxw: 1180px;
}

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

body{
  margin:0;
  background: var(--bg);
  background-image:
    radial-gradient(650px 480px at 88% -8%, rgba(155,92,246,.35), transparent 60%),
    radial-gradient(550px 420px at -5% 8%, rgba(34,211,238,.28), transparent 60%),
    radial-gradient(600px 500px at 50% 60%, rgba(255,60,175,.16), transparent 65%),
    radial-gradient(480px 380px at 95% 80%, rgba(255,154,61,.22), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,.logo{ font-family: 'Space Grotesk', sans-serif; margin: 0; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

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

.c-orange{ color: var(--orange); }
.c-teal{ color: var(--teal); }
.c-coral{ color: var(--coral); }
.c-purple{ color: var(--purple); }

.c-bg-orange{ background: linear-gradient(135deg,var(--orange),#ffcf7a); color:#2b1400; }
.c-bg-teal{ background: linear-gradient(135deg,var(--teal),#8affe8); color:#00252b; }
.c-bg-coral{ background: linear-gradient(135deg,var(--coral),#ff8ad4); color:#3a0025; }
.c-bg-purple{ background: linear-gradient(135deg,var(--purple),#c9a8ff); color:#25003f; }

/* =========================================================
   BUTTONS
========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }

.btn--primary{
  background: linear-gradient(115deg, var(--coral), var(--purple) 55%, var(--teal));
  background-size: 180% 180%;
  color: #fff;
  box-shadow: 0 12px 30px -10px rgba(255,60,175,.55);
}
.btn--primary:hover{ opacity:.94; box-shadow: 0 16px 36px -8px rgba(155,92,246,.6); }

.btn--ghost{
  background: rgba(255,255,255,.04);
  border-color: var(--card-border);
  color: var(--text);
}
.btn--ghost:hover{ background: rgba(255,255,255,.09); border-color: var(--teal); }

.btn--sm{ padding: 10px 20px; font-size: .875rem; }
.btn--block{ width: 100%; }

/* =========================================================
   NAV
========================================================= */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16,10,36,.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(155,92,246,.25);
}
.nav__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 24px;
  gap: 24px;
}
.logo{
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -.02em;
  display: inline-flex;
  align-items: center;
}
.logo span{ color: var(--coral); }

.brand{ gap: 12px; }
.brand__icon{
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 16px rgba(155,92,246,.5));
}
.footer .brand__icon{ width: 38px; height: 38px; }
.brand__text{
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand__word{
  font-family: 'Baloo 2', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: -.01em;
}
.brand__accent{
  background: linear-gradient(120deg, var(--coral), var(--purple) 55%, var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand__sub{
  font-family: 'Baloo 2', sans-serif;
  font-weight: 600;
  font-size: .6rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 3px;
}

.nav__links{
  display:flex;
  gap: 32px;
  margin-left: auto;
  margin-right: 24px;
}
.nav__links a{
  font-size: .95rem;
  color: var(--text-muted);
  font-weight: 600;
}
.nav__links a:hover{ color: var(--teal); }

.nav__toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 8px;
}
.nav__toggle span{
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* =========================================================
   HERO
========================================================= */
.hero{ padding: 90px 0 60px; position: relative; overflow: hidden; }
.hero__inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items:center;
  position: relative;
  z-index: 1;
}

.eyebrow{
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--lime);
  margin: 0 0 16px;
}
.eyebrow--center{ text-align:center; }

.hero h1{
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -.02em;
}
.hero h1 em{
  font-style: normal;
  background: linear-gradient(115deg, var(--coral), var(--orange) 50%, var(--lime));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub{
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 46ch;
  margin: 20px 0 32px;
}

.hero__ctas{ display:flex; gap:16px; flex-wrap:wrap; }

.hero__visual{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.hero__deco{ position: relative; display:flex; justify-content:center; width: 100%; }
.hero__frame{
  width: 320px;
  height: 380px;
  border-radius: 28px;
  background: linear-gradient(155deg, var(--purple), var(--coral) 55%, var(--teal));
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 30px;
  box-shadow: 0 30px 70px -18px rgba(155,92,246,.55), 0 0 0 1px rgba(255,255,255,.08) inset;
}
.hero__logo-mark{
  width: 55%;
  max-width: 150px;
  height: auto;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.35));
}
.chip{
  position:absolute;
  background: var(--card);
  border: 1px solid var(--card-border);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}
.chip--1{ top: 6%; right: -6%; color: var(--orange); }
.chip--2{ bottom: 6%; left: -10%; color: var(--teal); }

.hero__founder{
  text-align: center;
  font-size: .95rem;
  color: var(--text-muted);
  max-width: 320px;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
}
.hero__founder strong{
  background: linear-gradient(120deg, var(--coral), var(--purple) 55%, var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =========================================================
   STATS
========================================================= */
.stats{
  border-top: 1px solid rgba(155,92,246,.2);
  border-bottom: 1px solid rgba(155,92,246,.2);
  padding: 44px 0;
  background: linear-gradient(90deg, rgba(155,92,246,.10), rgba(34,211,238,.10) 50%, rgba(255,154,61,.10));
}
.stats__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align:center;
}
.stat__num{
  display:block;
  font-family:'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
}
.stat__label{
  display:block;
  color: var(--text-muted);
  font-size: .85rem;
  margin-top: 4px;
  font-weight: 600;
}

/* =========================================================
   SECTIONS / CARDS
========================================================= */
.section{ padding: 96px 0; position: relative; }
.section__title{
  text-align:center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 56px;
}
.section__title--left{ text-align:left; margin-bottom: 20px; }

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--purple), var(--teal), var(--orange));
}
.card:hover{
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: 0 18px 40px -18px rgba(155,92,246,.5);
}
.card__icon{
  width: 52px; height: 52px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px -8px rgba(0,0,0,.5);
}
.card h3{ font-size: 1.15rem; margin-bottom: 10px; }
.card p{ color: var(--text-muted); font-size: .95rem; margin:0; }
.card .register-btn{ margin-top: 20px; }

.cards--courses{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){
  .cards--courses{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px){
  .cards--courses{ grid-template-columns: 1fr; }
}

/* =========================================================
   BANNER / TESTIMONIAL
========================================================= */
.banner{
  background: linear-gradient(120deg, rgba(155,92,246,.35), rgba(255,60,175,.22) 45%, rgba(34,211,238,.28));
  padding: 80px 0;
  position: relative;
}
.banner__inner{ text-align:center; max-width: 720px; margin:0 auto; }
.banner__quote{
  font-family:'Space Grotesk', sans-serif;
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.4;
}
.banner__author{ color: var(--text-muted); margin: 14px 0 32px; font-weight: 600; }

/* =========================================================
   REGISTER FORM
========================================================= */
.section--register{ background: var(--bg-2); }
.register__wrap{
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items:start;
}

.form{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  box-shadow: 0 20px 50px -24px rgba(155,92,246,.4);
}
.form__row{ display:flex; flex-direction:column; gap:8px; }
.form__row--full{ grid-column: 1 / -1; }

.form label{ font-size: .85rem; font-weight: 700; color: var(--text-muted); }
.form input, .form select, .form textarea{
  background: var(--bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 10px;
  font-family: inherit;
  font-size: .95rem;
  outline: none;
}
.form input:focus, .form select:focus, .form textarea:focus{
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(34,211,238,.18);
}
.form textarea{ resize: vertical; }

.form__note{
  min-height: 1.2em;
  font-size: .85rem;
  color: var(--lime);
  margin: 12px 0 0;
  font-weight: 600;
}
.form__note.is-error{ color: var(--coral); }

/* =========================================================
   FOOTER
========================================================= */
.footer{ padding: 64px 0 24px; border-top: 1px solid rgba(155,92,246,.25); background: var(--bg-2); }
.footer__inner{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer__tagline{ color: var(--text-muted); margin-top: 12px; font-size: .9rem; max-width: 30ch; }
.footer h4{ font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--teal); margin-bottom: 16px; }
.footer__links a, .footer__contact p{ display:block; color: var(--text); font-size: .92rem; margin-bottom: 10px; }
.footer__links a:hover{ color: var(--coral); }
.footer__contact p{ color: var(--text-muted); }
.footer__copy{
  text-align:center;
  color: var(--text-muted);
  font-size: .82rem;
  border-top: 1px solid rgba(155,92,246,.2);
  padding-top: 24px;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 900px){
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__visual{ order:-1; }
  .cards{ grid-template-columns: 1fr; }
  .stats__grid{ grid-template-columns: repeat(2,1fr); row-gap: 28px; }
  .register__wrap{ grid-template-columns: 1fr; }
  .form{ grid-template-columns: 1fr; }
  .footer__inner{ grid-template-columns: 1fr; }

  .nav__links{
    position:absolute;
    top: 100%; left:0; right:0;
    flex-direction:column;
    background: var(--bg-2);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(155,92,246,.25);
    display:none;
  }
  .nav__links.is-open{ display:flex; }
  .nav__toggle{ display:flex; }
  .nav__cta{ display:none; }
}