/* === HERO (Modern Learning Deck) === */
.hero {
  min-height: 95svh;
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.6rem, 6vw, 5.6rem) 0;
  background:
    radial-gradient(110% 70% at 12% 18%, color-mix(in oklab, var(--brand-primary) 12%, transparent), transparent 60%),
    radial-gradient(90% 60% at 88% 8%, color-mix(in oklab, var(--brand-secondary) 12%, transparent), transparent 55%),
    linear-gradient(150deg, rgba(255,255,255,.9), rgba(255,255,255,.82) 42%, rgba(0,0,0,.02)),
    var(--bg-light);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: .4;
  pointer-events: none;
  mix-blend-mode: soft-light;
  z-index: -1;
}

.hero__container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Layout: mobile-first */
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3.2vw, 2.4rem);
  align-items: center;
  padding: 0;
  background: transparent;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  position: relative;
}

/* ===== Copy ===== */
.hero__copy {
  position: relative;
  display: grid;
  align-content: start;
  gap: clamp(1rem, 2.6vh, 1.8rem);
  padding: 0;
  background: transparent;
  border-radius: 18px;
  border: 0;
  box-shadow: none;
  text-align: left;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.hero__copy::after {
  content: "";
  position: absolute;
  inset: 16px 16px auto auto;
  width: clamp(80px, 14vw, 140px);
  height: clamp(80px, 14vw, 140px);
  background: radial-gradient(circle, color-mix(in oklab, var(--brand-primary) 18%, transparent), transparent 55%);
  filter: blur(18px);
  opacity: .35;
  pointer-events: none;
}

.hero__title {
  font-size: clamp(2.4rem, 2.2rem + 2.8vw, 3.4rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  position: relative;
  z-index: 1;
}

.hero__title-accent {
  background: linear-gradient(45deg, var(--brand-primary), var(--brand-secondary));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.hero__lead {
  font-size: clamp(1.05rem, 1rem + .6vw, 1.26rem);
  color: var(--text-muted);
  max-width: 48ch;
  margin: 0;
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: .85rem;
  flex-wrap: wrap;
  margin-top: .25rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  padding: 1rem 1.85rem;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.01em;
  font-size: 1.02rem;
  border: 1px solid color-mix(in oklab, var(--brand-primary) 28%, transparent);
  box-shadow:
    0 8px 18px color-mix(in oklab, var(--brand-primary) 16%, transparent),
    0 3px 8px color-mix(in oklab, var(--brand-secondary) 10%, transparent);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 22px color-mix(in oklab, var(--brand-primary) 20%, transparent),
    0 4px 10px color-mix(in oklab, var(--brand-secondary) 12%, transparent);
}

/* Badges */
.hero__badges {
  display: flex;
  gap: .65rem .95rem;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: .25rem;
  list-style: none;
  padding: 0;
}
.hero__badges li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .9rem;
  border-radius: 14px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(0,0,0,.06);
  color: var(--text-dark);
  font-size: .95rem;
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
}
.hero__badges li span {
  font-weight: 800;
  background: linear-gradient(45deg, var(--brand-primary), var(--brand-secondary));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ===== Media: layered learning card ===== */
.hero__media {
  position: relative;
  display: grid;
  align-content: center;
  align-self: center;
  margin: 0;
  padding: 0;
  border-radius: 20px;
  background: #fff; /* isolate the image from the hero gradient */
  border: 0;
  box-shadow: none;
  overflow: hidden;
  width: 100%;
}

/* The card: crisp rectangular frame with subtle float */
.hero-photo {
  position: relative;
  width: 100%;
  max-width: 1200px;
  aspect-ratio: 16 / 10;
  border-radius: 20px;
  background: none;
  overflow: hidden;
  border: 0;
  box-shadow:
    0 16px 46px rgba(0,0,0,.12),
    0 8px 18px rgba(0,0,0,.1);
  animation: heroFloat 8s ease-in-out infinite alternate;
  clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
}
.hero-photo::before,
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-photo::before {
  inset: clamp(.75rem, 1.4vw, 1.1rem);
  border-radius: 16px;
  background:
    linear-gradient(160deg, color-mix(in oklab, var(--brand-primary) 16%, transparent), color-mix(in oklab, var(--brand-secondary) 16%, transparent));
  opacity: .45;
  filter: blur(18px);
  z-index: 0;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  display: block;
  filter: saturate(1.02) contrast(1.01);
  position: relative;
  z-index: 1;
  clip-path: polygon(5.5% 0, 100% 0, 94% 100%, 0 100%);
}

.hero-photo::after {
  background:
    linear-gradient(180deg, rgba(255,255,255,.24), transparent 32%),
    radial-gradient(90% 60% at 10% -10%, rgba(255,255,255,.28), transparent 40%),
    radial-gradient(120% 70% at 90% 20%, rgba(255,255,255,.2), transparent 45%);
  mix-blend-mode: screen;
  z-index: 2;
}

/* Brand glow orbs behind the card */
.hero-glow {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .26;
  pointer-events: none;
}
.hero-glow--a {
  width: clamp(140px, 18vw, 260px);
  height: clamp(140px, 18vw, 260px);
  left: max(-2%, -30px);
  top: -4%;
  background: color-mix(in oklab, var(--brand-primary) 32%, transparent);
}
.hero-glow--b {
  width: clamp(160px, 22vw, 320px);
  height: clamp(160px, 22vw, 320px);
  right: max(-3%, -36px);
  bottom: -8%;
  background: color-mix(in oklab, var(--brand-secondary) 32%, transparent);
}

/* Gentle float */
@keyframes heroFloat {
  0%   { transform: translateY(0) }
  100% { transform: translateY(14px) }
}

/* ===== Desktop layout ===== */
@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(1.4rem, 2.4vw, 2.4rem);
  }
  .hero__copy {
    grid-column: 1 / span 5;
    text-align: left;
  }
  .hero__media {
    grid-column: 6 / -1;
    margin-top: 0;
  }
}

@media (max-width: 1023.98px) {
  .hero__copy {
    text-align: left;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-photo { animation: none !important; }
}