:root {
  --white: #ffffff;
  --off-white: #f8f9fc;
  --ink: #171b2b;
  --ink-soft: #34414f;
  --ink-muted: #74808e;
  --glow-gold: #dcae45;
  --glow-blue: #6da7d8;
  --glow-violet: #a98fdf;
  --glow-cyan: #00d4ff;
  --glow-rose: #ff6b9d;
  --glow-emerald: #00d68f;
  --glass-tint: rgba(255, 255, 255, 0.58);
  --glass-tint-strong: rgba(255, 255, 255, 0.78);
  --glass-border: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.28) 58%, rgba(10, 10, 26, 0.04));
  --glass-specular: inset 0 1px 0 rgba(255, 255, 255, 0.72), inset 0 0 16px rgba(255, 255, 255, 0.1), inset 0 -1px 0 rgba(10, 10, 26, 0.04);
  --shadow-soft: 0 2px 20px rgba(10, 10, 26, 0.06), 0 1px 4px rgba(10, 10, 26, 0.04);
  --shadow-lift: 0 8px 36px rgba(10, 10, 26, 0.1), 0 1px 6px rgba(10, 10, 26, 0.05);
  --ease: cubic-bezier(0.2, 0.9, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 16% 18%, rgba(155, 109, 255, 0.06), transparent 18rem),
    radial-gradient(circle at 84% 13%, rgba(74, 144, 255, 0.07), transparent 20rem),
    radial-gradient(circle at 50% 88%, rgba(240, 192, 64, 0.08), transparent 24rem),
    var(--white);
  color: var(--ink);
  font-family: Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 8% 68%, rgba(255, 107, 157, 0.045), transparent 18rem),
    radial-gradient(circle at 92% 72%, rgba(0, 212, 255, 0.035), transparent 20rem);
  content: "";
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(10, 10, 26, 0.055) 0 1px, transparent 2px),
    radial-gradient(circle, rgba(155, 109, 255, 0.08) 0 1px, transparent 2px);
  background-position: 0 0, 24px 28px;
  background-size: 92px 92px, 138px 138px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 76%);
  content: "";
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  width: 100%;
  min-height: 58px;
  margin: 0;
  padding: 0 max(2rem, env(safe-area-inset-right, 0px)) 0 max(2rem, env(safe-area-inset-left, 0px));
  border: 0;
  border-bottom: 1px solid rgba(10, 10, 26, 0.06);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--glass-specular), var(--shadow-soft);
  backdrop-filter: blur(28px) saturate(1.8) brightness(1.01);
  -webkit-backdrop-filter: blur(28px) saturate(1.8) brightness(1.01);
}

.brand,
nav {
  display: flex;
  align-items: center;
}

.brand {
  position: absolute;
  left: max(2rem, env(safe-area-inset-left, 0px));
  gap: 0.65rem;
  color: var(--ink-soft);
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(155, 109, 255, 0.18), rgba(74, 144, 255, 0.14), rgba(240, 192, 64, 0.18));
  color: #5d4bc8;
  font-size: 0.68rem;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

nav {
  gap: 0.25rem;
}

nav a {
  border-radius: 999px;
  padding: 0.48rem 0.86rem;
  color: var(--ink-muted);
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.3s var(--ease);
}

nav a:hover,
nav a:focus-visible {
  background: rgba(255, 255, 255, 0.48);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), inset 0 -1px 0 rgba(10, 10, 26, 0.03);
  outline: none;
}

main,
footer {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(2.25rem, 5vw, 5.5rem);
  min-height: calc(100svh - 58px);
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2.75rem, 5vw, 4.5rem);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 4% -10% -2%;
  z-index: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 62% 46%, rgba(255, 255, 255, 0.5), transparent 26%),
    radial-gradient(circle at 58% 52%, rgba(240, 192, 64, 0.13), transparent 30%),
    radial-gradient(circle at 50% 54%, rgba(74, 144, 255, 0.11), transparent 44%),
    radial-gradient(circle at 42% 48%, rgba(155, 109, 255, 0.08), transparent 62%);
  content: "";
  filter: blur(18px);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
  padding: clamp(1.4rem, 4vw, 2.7rem) 0;
  text-align: left;
}

.hero-copy::before {
  display: none;
}

.hero-bg-image {
  position: absolute;
  inset: auto -8vw -9vw auto;
  z-index: 1;
  width: min(1180px, 84vw);
  max-width: none;
  opacity: 0.58;
  filter: saturate(0.9) contrast(0.95);
  mix-blend-mode: normal;
  pointer-events: none;
  transform: none;
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, #000 17%, #000 100%),
    linear-gradient(180deg, transparent 0%, #000 8%, #000 83%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0%, #000 17%, #000 100%),
    linear-gradient(180deg, transparent 0%, #000 8%, #000 83%, transparent 100%);
  mask-composite: intersect;
}

.prompt,
.section-label {
  margin: 0 0 0.9rem;
  color: var(--ink-muted);
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  font-family: Fraunces, Georgia, serif;
}

h3 {
  font-family: Manrope, Inter, sans-serif;
}

h1 {
  margin: 0;
  color: var(--ink);
  line-height: 1.05;
}

h1 span {
  display: block;
  color: #34414f;
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  font-weight: 350;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

h1 strong {
  display: block;
  margin-top: 0.25rem;
  background: linear-gradient(130deg, #7d6ed0 0%, #b88ec1 22%, #d7ad47 49%, #9ab783 68%, #5b9ccf 100%);
  background-clip: text;
  color: transparent;
  font-size: clamp(4rem, 8.5vw, 8.8rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 0.88;
}

h2 {
  max-width: 13ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

h3 {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.lead {
  max-width: 37rem;
  margin: 1.45rem 0 0;
  color: var(--ink-muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  font-weight: 300;
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.95rem;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0.78rem 1.12rem;
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button.primary {
  background: linear-gradient(135deg, #1f2452, #5b55d9);
  color: var(--white);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 10px 24px rgba(91, 85, 217, 0.18);
}

.button.secondary {
  background: var(--glass-tint);
  color: var(--ink-soft);
  box-shadow: var(--glass-specular), var(--shadow-soft);
  backdrop-filter: blur(20px) saturate(1.7);
  -webkit-backdrop-filter: blur(20px) saturate(1.7);
}

.question-band,
.learning-cycle,
.module-detail,
.portfolio {
  position: relative;
  border-radius: 22px;
  background: var(--glass-tint);
  box-shadow: var(--glass-specular), var(--shadow-soft);
  backdrop-filter: blur(20px) saturate(1.7) brightness(1.02);
  -webkit-backdrop-filter: blur(20px) saturate(1.7) brightness(1.02);
}

.question-band::before,
.learning-cycle::before,
.module-detail::before,
.portfolio::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--glass-border);
  content: "";
  pointer-events: none;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

.question-band {
  margin: 0 0 clamp(4rem, 8vw, 7rem);
  padding: clamp(1.6rem, 4vw, 3.1rem);
  overflow: hidden;
}

.question-band::after {
  position: absolute;
  right: clamp(1rem, 6vw, 4rem);
  bottom: -4rem;
  width: 15rem;
  height: 15rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 109, 255, 0.12), transparent 68%);
  content: "";
}

.question-band p {
  position: relative;
  z-index: 1;
  width: min(930px, 100%);
  margin: 0;
  color: var(--ink-soft);
  font-family: Manrope, Inter, sans-serif;
  font-size: clamp(1.42rem, 3vw, 2.65rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.16;
}

.section {
  padding: clamp(3rem, 7vw, 5.75rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(1.35rem, 3vw, 2rem);
}

.learning-cycle {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.55rem;
  padding: 0.55rem;
}

.learning-cycle article,
.module-card {
  border: 0;
  background: rgba(255, 255, 255, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.58), inset 0 -1px 0 rgba(10, 10, 26, 0.025);
}

.learning-cycle article {
  min-height: 13.5rem;
  border-radius: 18px;
  padding: 1rem;
}

.learning-cycle span {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: rgba(155, 109, 255, 0.14);
  color: #7340d6;
  font-family: Manrope, Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
}

.learning-cycle article:nth-child(2n) span {
  background: rgba(74, 144, 255, 0.14);
  color: #3366cc;
}

.learning-cycle article:nth-child(3n) span {
  background: rgba(240, 192, 64, 0.18);
  color: #9a7412;
}

.learning-cycle p,
.module-card p,
.module-detail p,
.portfolio p,
footer p {
  color: var(--ink-muted);
}

.learning-cycle p,
.module-card p,
.module-detail p {
  margin-bottom: 0;
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.65;
}

.modules-section {
  position: relative;
}

.modules-section::before {
  position: absolute;
  inset: 2rem -1.5rem auto;
  z-index: -1;
  height: 76%;
  border-radius: 34px;
  background:
    radial-gradient(circle at 14% 10%, rgba(155, 109, 255, 0.08), transparent 20rem),
    radial-gradient(circle at 86% 30%, rgba(0, 212, 255, 0.06), transparent 22rem),
    rgba(248, 249, 252, 0.6);
  content: "";
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
}

.module-card {
  position: relative;
  min-height: 14.5rem;
  border-radius: 20px;
  padding: 1rem;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: transform 0.25s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  overflow: hidden;
}

.module-card::after {
  position: absolute;
  inset: auto -2rem -2.2rem auto;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 109, 255, 0.15), transparent 70%);
  content: "";
}

.module-card:nth-child(2)::after {
  background: radial-gradient(circle, rgba(74, 144, 255, 0.14), transparent 70%);
}

.module-card:nth-child(3)::after {
  background: radial-gradient(circle, rgba(240, 192, 64, 0.16), transparent 70%);
}

.module-card:nth-child(4)::after {
  background: radial-gradient(circle, rgba(255, 107, 157, 0.13), transparent 70%);
}

.module-card:nth-child(5)::after {
  background: radial-gradient(circle, rgba(0, 214, 143, 0.13), transparent 70%);
}

.module-card:hover,
.module-card:focus-visible,
.module-card.active {
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--glass-specular), var(--shadow-lift);
  transform: translateY(-4px);
  outline: none;
}

.module-card.active {
  background: rgba(255, 255, 255, 0.76);
}

.module-card h3,
.module-card p,
.module-card .icon {
  position: relative;
  z-index: 1;
}

.icon {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: rgba(155, 109, 255, 0.14);
  color: #7340d6;
  font-size: 1rem;
}

.module-card:nth-child(2) .icon {
  background: rgba(74, 144, 255, 0.14);
  color: #3366cc;
}

.module-card:nth-child(3) .icon {
  background: rgba(240, 192, 64, 0.18);
  color: #9a7412;
}

.module-card:nth-child(4) .icon {
  background: rgba(255, 107, 157, 0.13);
  color: #c13e67;
}

.module-card:nth-child(5) .icon {
  background: rgba(0, 214, 143, 0.13);
  color: #008b64;
}

.module-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(1rem, 3vw, 2rem);
  margin-top: 0.75rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
}

.module-detail h3 {
  max-width: 19ch;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.module-detail ul {
  display: grid;
  gap: 0.68rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.module-detail li {
  position: relative;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.52), inset 0 -1px 0 rgba(10, 10, 26, 0.025);
  padding: 0.9rem 1rem 0.9rem 2.55rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.55;
}

.module-detail li::before {
  position: absolute;
  top: 1.05rem;
  left: 1rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--glow-violet), var(--glow-blue));
  content: "";
}

.portfolio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin: 3rem 0 4rem;
  padding: clamp(1.6rem, 4vw, 3.2rem);
  overflow: hidden;
}

.portfolio::after {
  position: absolute;
  right: -3rem;
  bottom: -4rem;
  width: 17rem;
  height: 17rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 192, 64, 0.16), transparent 70%);
  content: "";
}

.portfolio p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}

footer {
  padding: 0 0 2rem;
}

footer p {
  margin: 0;
  color: rgba(107, 107, 138, 0.8);
  font-size: 0.84rem;
  font-weight: 300;
}

@media (max-width: 1040px) {
  .brand {
    position: static;
  }

  .site-header {
    justify-content: space-between;
  }

  .hero,
  .section-heading,
  .module-detail,
  .portfolio {
    grid-template-columns: 1fr;
  }

  .learning-cycle,
  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  main,
  footer {
    width: min(100% - 1.5rem, 1180px);
  }

  .site-header {
    position: sticky;
    top: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 0.45rem;
    min-height: 0;
    padding: 0.75rem;
  }

  .brand {
    justify-content: center;
  }

  nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  nav a {
    padding: 0.62rem 0.4rem;
    text-align: center;
  }

  .hero {
    min-height: calc(100svh - 102px);
    padding: 2.1rem 0 2.75rem;
  }

  .hero-bg-image {
    right: -86vw;
    bottom: -22vw;
    width: 268vw;
    opacity: 0.34;
    transform: none;
  }

  h1 span {
    font-size: clamp(1.35rem, 6vw, 1.75rem);
  }

  h1 strong {
    font-size: clamp(4rem, 18vw, 5.6rem);
    letter-spacing: -0.07em;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.75;
  }

  .learning-cycle,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}