:root {
  --cor1: #3f276d;
  --cor1l: #7038ca;
  --cor1d: #2d1b4b;
  --cor2: #ee771b;
  --cor2l: #f29845;
  --cor2d: #e06016;
  --cor3: #000;
  --branco: #fff;
  color-scheme: dark;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  color: var(--branco);
  background: var(--cor1d);
  -webkit-tap-highlight-color: transparent;
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  background: var(--cor3);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 7% 22%, rgba(238, 119, 27, 0.2) 0, rgba(238, 119, 27, 0.14) 24px, rgba(238, 119, 27, 0.06) 72px, transparent 150px),
    radial-gradient(circle at 18% 76%, rgba(112, 56, 202, 0.24) 0, rgba(112, 56, 202, 0.16) 28px, rgba(112, 56, 202, 0.07) 82px, transparent 165px),
    radial-gradient(circle at 31% 15%, rgba(112, 56, 202, 0.22) 0, rgba(112, 56, 202, 0.15) 25px, rgba(112, 56, 202, 0.06) 76px, transparent 155px),
    radial-gradient(circle at 42% 57%, rgba(238, 119, 27, 0.2) 0, rgba(238, 119, 27, 0.14) 26px, rgba(238, 119, 27, 0.06) 78px, transparent 160px),
    radial-gradient(circle at 58% 9%, rgba(238, 119, 27, 0.19) 0, rgba(238, 119, 27, 0.13) 24px, rgba(238, 119, 27, 0.05) 72px, transparent 150px),
    radial-gradient(circle at 69% 73%, rgba(112, 56, 202, 0.24) 0, rgba(112, 56, 202, 0.16) 28px, rgba(112, 56, 202, 0.07) 84px, transparent 170px),
    radial-gradient(circle at 82% 31%, rgba(238, 119, 27, 0.21) 0, rgba(238, 119, 27, 0.14) 26px, rgba(238, 119, 27, 0.06) 78px, transparent 160px),
    radial-gradient(circle at 95% 68%, rgba(112, 56, 202, 0.22) 0, rgba(112, 56, 202, 0.15) 26px, rgba(112, 56, 202, 0.06) 80px, transparent 165px),
    radial-gradient(ellipse at 22% 12%, rgba(63, 39, 109, 0.28), transparent 36%),
    radial-gradient(ellipse at 80% 48%, rgba(224, 96, 22, 0.1), transparent 34%);
  pointer-events: none;
}

body::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse at center, transparent 38%, rgba(0, 0, 0, 0.16) 76%, rgba(0, 0, 0, 0.42) 100%),
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.08) 64%, rgba(0, 0, 0, 0.28) 100%);
  pointer-events: none;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  min-height: 84px;
  padding: 22px clamp(20px, 5vw, 64px);
  border-bottom: 0 solid transparent;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent);
  transition: min-height 220ms ease, padding 220ms ease, background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  min-height: 68px;
  padding-block: 12px;
  border-bottom-color: rgba(0, 0, 0, 0.42);
  background: rgba(4, 3, 8, 0.78);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  display: block;
  width: clamp(150px, 18vw, 240px);
  height: auto;
  transition: width 220ms ease;
}

.site-header.is-scrolled .logo img {
  width: clamp(112px, 12vw, 168px);
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: clamp(150px, 18vh, 210px) clamp(20px, 5vw, 64px) 72px;
}

.courses {
  width: min(1480px, 100%);
  margin: 0 auto;
}

.courses-heading {
  max-width: 850px;
  margin-bottom: clamp(30px, 4vw, 50px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cor2);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 5rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-wrap: balance;
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.55);
}

.courses-intro {
  max-width: 650px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(0.98rem, 1.4vw, 1.14rem);
  line-height: 1.7;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.25vw, 34px);
  align-items: stretch;
}

.course-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  color: inherit;
  background: rgba(18, 13, 27, 0.82);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.42);
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

a.course-card:hover,
a.course-card:focus-visible {
  transform: translateY(-8px);
  border-color: rgba(242, 152, 69, 0.72);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.56), 0 0 0 1px rgba(238, 119, 27, 0.2);
  outline: none;
}

.course-cover {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #26163f;
}

.course-cover::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 20%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.28));
  pointer-events: none;
}

.course-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

a.course-card:hover .course-cover img,
a.course-card:focus-visible .course-cover img {
  transform: scale(1.025);
}

.course-content {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(18px, 2vw, 26px);
}

.course-category {
  display: block;
  margin-bottom: 8px;
  color: var(--cor2l);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.course-content h2 {
  margin: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.25;
}

.course-action {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--cor2l);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.course-action svg {
  width: 18px;
  height: 18px;
  transition: transform 180ms ease;
}

a.course-card:hover .course-action svg,
a.course-card:focus-visible .course-action svg {
  transform: translateX(4px);
}

.course-card-soon {
  border-color: rgba(255, 255, 255, 0.08);
}

.course-card-soon .course-cover img {
  filter: saturate(0.78) brightness(0.82);
}

.soon-badge {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  color: #251038;
  background: #c7ee18;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-action-muted {
  color: rgba(255, 255, 255, 0.44);
}

@media (max-width: 1040px) {
  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-card:last-child {
    grid-column: 1 / -1;
    width: calc(50% - clamp(9px, 1.125vw, 17px));
    justify-self: center;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 72px;
    padding-inline: 20px;
  }

  .site-header.is-scrolled {
    min-height: 58px;
    padding-block: 10px;
  }

  .site-header.is-scrolled .logo img {
    width: clamp(104px, 36vw, 136px);
  }

  .page {
    padding: 118px 18px 44px;
  }

  .courses-heading {
    margin-bottom: 28px;
  }

  h1 {
    font-size: clamp(2.25rem, 11.5vw, 3.4rem);
  }

  .courses-intro {
    margin-top: 16px;
    line-height: 1.55;
  }

  .course-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .course-card,
  .course-card:last-child {
    grid-column: auto;
    width: 100%;
    border-radius: 15px;
  }

  .course-content {
    align-items: center;
    padding: 18px;
  }

  .course-action {
    font-size: 0;
  }

  .course-action svg {
    width: 24px;
    height: 24px;
  }

  .course-action-muted {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}