/* AcademiaPro website — page sections. */

/* ── Hero ─────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  background: radial-gradient(120% 90% at 80% 0%, #1b2f6b 0%, var(--navy-900) 45%, var(--navy-950) 100%);
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  animation: grid-pan 30s linear infinite;
}

@keyframes grid-pan {
  to {
    background-position: 64px 64px;
  }
}

.aurora {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: drift 18s var(--ease) infinite alternate;
}

.aurora--gold {
  width: 520px;
  height: 520px;
  top: -140px;
  right: -60px;
  background: radial-gradient(circle, rgba(199, 162, 82, 0.55), transparent 65%);
}

.aurora--blue {
  width: 640px;
  height: 640px;
  bottom: -260px;
  left: -200px;
  background: radial-gradient(circle, rgba(72, 112, 255, 0.4), transparent 65%);
  animation-delay: -6s;
}

@keyframes drift {
  to {
    transform: translate3d(-60px, 50px, 0) scale(1.12);
  }
}

.hero__layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.7rem, 6.2vw, 5rem);
  line-height: 1.02;
}

.hero h1 .accent {
  display: block;
}

/* The gradient sits on each word: the words animate on their own layers,
   which a background-clip on the parent wouldn't paint into. */
.hero h1 .accent .word {
  background: linear-gradient(100deg, var(--gold-soft) 0%, var(--gold) 35%, #fff4d6 50%, var(--gold) 65%, var(--gold-soft) 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: word-in 0.9s var(--ease) forwards, shimmer 7s linear infinite;
  animation-delay: calc(var(--i) * 80ms + 150ms), 0s;
}

@keyframes shimmer {
  to {
    background-position: -250% 0;
  }
}

.hero__subtitle {
  margin-top: 26px;
  max-width: 560px;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  color: var(--muted-dark);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
  color: var(--muted-dark);
}

.hero__trust li::before {
  content: "✓";
  color: var(--gold);
  margin-right: 8px;
  font-weight: 700;
}

.word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: word-in 0.9s var(--ease) forwards;
  animation-delay: calc(var(--i) * 80ms + 150ms);
}

@keyframes word-in {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Product mockup */
.mockup {
  position: relative;
  perspective: 1400px;
}

.mockup__frame {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -10deg));
  transition: transform 0.6s var(--ease);
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  50% {
    translate: 0 -12px;
  }
}

.mockup__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--muted-dark);
}

.mockup__dots {
  display: flex;
  gap: 6px;
}

.mockup__dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.mockup__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mockup__live::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(61, 220, 151, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(61, 220, 151, 0);
  }
}

.mockup canvas {
  width: 100%;
  height: 300px;
  border-radius: 14px;
  background: rgba(7, 14, 34, 0.55);
}

.chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.5);
  opacity: 0;
  animation: chip-in 0.9s var(--ease) forwards, float 7s ease-in-out infinite;
}

.chip small {
  display: block;
  font-weight: 500;
  color: var(--muted-light);
}

.chip__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 1rem;
}

.chip--lesson {
  top: -22px;
  left: -26px;
  animation-delay: 0.9s, 0s;
}

.chip--quiz {
  bottom: 70px;
  right: -30px;
  animation-delay: 1.2s, -2s;
}

.chip--badge {
  bottom: -26px;
  left: 30px;
  animation-delay: 1.5s, -4s;
}

@keyframes chip-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .hero__layout {
    grid-template-columns: 1fr;
  }

  .mockup {
    max-width: 560px;
    margin-inline: auto;
    width: 100%;
  }

  .chip--lesson {
    left: -6px;
  }

  .chip--quiz {
    right: -6px;
  }
}

/* ── Ticker ───────────────────────────────────────────────────────────── */

.ticker {
  background: var(--navy-950);
  color: var(--muted-dark);
  border-block: 1px solid var(--line-dark);
  padding: 18px 0;
  overflow: hidden;
}

.ticker__label {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.ticker__track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 40s linear infinite;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.ticker:hover .ticker__track {
  animation-play-state: paused;
}

.ticker__item {
  font: 600 1.05rem/1 ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--white);
  white-space: nowrap;
}

.ticker__item span {
  margin-left: 8px;
  font-size: 0.8rem;
}

.up {
  color: var(--green);
}

.down {
  color: var(--red);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ── Stats ────────────────────────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  margin: clamp(48px, 7vw, 80px) 0 0;
  padding: 0;
  list-style: none;
  box-shadow: 0 30px 60px -40px rgba(7, 14, 34, 0.4);
}

.stat {
  background: var(--white);
  padding: 30px 26px;
}

.stat strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1;
  color: var(--navy-800);
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted-light);
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Bento features ───────────────────────────────────────────────────── */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  grid-column: span 2;
  padding: 30px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line-light);
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(199, 162, 82, 0.16), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -36px rgba(7, 14, 34, 0.45);
}

.card:hover::before {
  opacity: 1;
}

.card--wide {
  grid-column: span 3;
}

.card--dark {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-950));
  color: var(--white);
  border-color: transparent;
}

.card.card--dark p,
.card.card--dark li {
  color: var(--muted-dark);
}

.card__icon {
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  color: var(--muted-light);
}

.card ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
}

.card li::before {
  content: "→";
  color: var(--gold);
  margin-right: 10px;
}

.card__art {
  margin-top: 24px;
}

@media (max-width: 960px) {
  .card,
  .card--wide {
    grid-column: span 3;
  }
}

@media (max-width: 640px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .card,
  .card--wide {
    grid-column: auto;
  }
}