/* Base — variáveis, reset, layout e componentes comuns */
:root {
  /* Design Tokens - Identidade /student */
  --basep: #02060a;
  --baseh: rgba(10, 17, 24, 0.7);
  --basea: #0a1118;
  --baseb: #101a25;
  --basec: #162331;
  --based: #1e293b;
  --basee: #263548;
  --basef: #334155;

  --primaryp: #70E000;
  --primarys: rgba(112, 224, 0, 0.05);
  --primaryh: rgba(112, 224, 0, 0.30);
  --secondaryp: #4361EE;
  --secondarys: rgba(67, 97, 238, 0.05);
  --secondaryh: rgba(67, 97, 238, 0.30);
  --gradient-primary: linear-gradient(135deg, #70E000 0%, #4361EE 100%);
  --gradient-gold: linear-gradient(135deg, #70E000 0%, #dacd9c 100%);

  --colora: #ffffff;
  --colorb: #e2e8f0;
  --colorc: #94a3b8;

  --bg-dark: var(--basep);
  --bg-light: var(--basea);
  --text: var(--colorb);
  --muted: var(--colorc);
  --accent: #70E000;
  --accent-2: #5ed5a7;
  --accent-3: #4361EE;
  --gold-1: #abd7bb;
  --gold-2: #5ba796;
  --gold-3: #dacd9c;
  --radius: 16px;
  --container: 1200px;
  --font: "Rajdhani", sans-serif;
  --font-heading: "Rajdhani", sans-serif;

  --backdrop: rgba(255, 255, 255, 0.05);
  --backdropb: rgba(255, 255, 255, 0.08);
  --backdropc: rgba(255, 255, 255, 0.15);

  --shadows: 0 4px 12px rgba(0, 0, 0, 0.30);
  --shadowm: 0 10px 30px rgba(0, 0, 0, 0.30);
  --shadowg: 0 20px 50px rgba(0, 0, 0, 0.40);

  --radiuss: 4px;
  --radiusm: 8px;
  --radiusg: 12px;
  --radiuse: 20px;
  --radiusr: 999px;
}

* {
  box-sizing: border-box;
}

i.fi {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  vertical-align: middle;
  position: relative;
}

/* Animations oficiais do /student */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-up {
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  opacity: 0;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

html {
  height: 100%;
  scroll-behavior: smooth;
  background-color: var(--basep);
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--colorb);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body::before {
  background: radial-gradient(ellipse at 0% 10%, rgba(4, 16, 27, 0.4) 0%, rgba(3, 65, 85, 0) 40%), radial-gradient(ellipse at 50% 0%, rgba(3, 65, 85, 0.7) 25%, #04101B 75%);
  content: "";
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -100;
  transition: background 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 16px;
}

p {
  margin: 0 0 12px;
}

/* ============================================================
   GRID SYSTEM (.wd1 a .wd12) — Padrão do projeto
   ============================================================ */
.wd {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  width: 100%;
}

.wd1 {
  grid-column: span 1;
}

.wd2 {
  grid-column: span 2;
}

.wd3 {
  grid-column: span 3;
}

.wd4 {
  grid-column: span 4;
}

.wd5 {
  grid-column: span 5;
}

.wd6 {
  grid-column: span 6;
}

.wd7 {
  grid-column: span 7;
}

.wd8 {
  grid-column: span 8;
}

.wd9 {
  grid-column: span 9;
}

.wd10 {
  grid-column: span 10;
}

.wd11 {
  grid-column: span 11;
}

.wd12 {
  grid-column: span 12;
}

@media (max-width: 860px) {
  .wd {
    gap: 16px;
  }

  .wd>[class*="wd"] {
    grid-column: span 12;
  }
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 20px;
}

.eyebrow {
  display: inline-block;
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: .06em;
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #87b799 0%, #60a292 33%, #5f9689 67%, #396467 100%);
  transition: transform .15s ease, filter .15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn--image {
  background-color: #2b6f61;
  background-size: cover;
  background-position: center;
}

.grad-text {
  background-image: linear-gradient(to right, var(--gold-1), var(--gold-2), var(--gold-3));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #000;
}

.video {
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 720px;
  margin: 24px auto;
}

.video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 25px;
  box-shadow: 0 0 0 2px #68dfc7;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

@media (max-width: 860px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .wrap {
    padding: 36px 16px;
  }
}