:root {
  --bg: #f7f6f2;
  --bg-soft: #ffffff;
  --text: #0b0b0c;
  --muted: #5b5b60;
  --accent: #0b0b0c;
  --accent-2: #1e5bff;
  --accent-3: #f0b323;
  --stroke: rgba(15, 15, 20, 0.14);
  --shadow: 0 30px 70px rgba(15, 15, 20, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Archivo", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 10%, #ffffff 0%, #f7f6f2 40%, #f1f1ee 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

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

h1,
h2,
h3 {
  font-family: "Fraunces", serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

  main {
    padding: 0 6vw 4.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
  }


.poster {
  position: relative;
}

.hero {
  position: relative;
  min-height: auto;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 0 0 0.8rem;
}

.formation {
  min-height: 100vh;
}

.poster-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  z-index: 3;
  position: relative;
}

.poster-title h1 {
  font-size: clamp(3.4rem, 13vw, 6.2rem);
  line-height: 0.82;
  margin-bottom: 0.7rem;
}

.poster-title h1 .accent {
  display: block;
  font-style: italic;
  color: var(--accent-2);
}

.formation .poster-title {
  margin-bottom: 1.4rem;
}

.formation .poster-grid {
  max-width: 680px;
}

.formation .formation-keywords {
  margin-top: 0;
}

.scroll-sections > section {
  scroll-snap-align: start;
  position: relative;
  z-index: 2;
}

.scroll-sections {
  scroll-snap-type: y proximity;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.7rem;
  color: var(--text);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2rem;
}

.cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
}

.btn.primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 20px 50px rgba(15, 15, 20, 0.2);
}

.btn.primary:hover {
  background: var(--accent-2);
}

.btn.ghost {
  border-color: var(--stroke);
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
}

.poster-meta {
  display: grid;
  gap: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
  align-content: start;
}

.meta-value {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--text);
  margin-top: 0.35rem;
}

.poster-mark {
  margin-top: 0.4rem;
}

.mark-card {
  border-radius: 28px;
  padding: 1.8rem 2rem;
  background: #111114;
  color: #f8f8f8;
  box-shadow: var(--shadow);
}

.mark-title {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.mark-sub {
  color: rgba(255, 255, 255, 0.78);
}


.poster-quote {
  margin-top: 0.6rem;
  font-size: 1.05rem;
  font-family: "Fraunces", serif;
  background: #ffffff;
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 1.2rem 1.4rem;
  box-shadow: 0 18px 40px rgba(15, 15, 20, 0.1);
}

.keyword-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1.2rem;
  margin-top: 0.8rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.content-section {
  border: none;
  border-radius: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 2;
}

.content-card {
  border: 1px solid rgba(15, 15, 20, 0.12);
  border-radius: 28px;
  padding: 2.4rem;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  box-shadow: 0 22px 60px rgba(15, 15, 20, 0.12);
  display: grid;
  gap: 1.6rem;
  max-width: 680px;
}

.content-section.align-left {
  justify-content: flex-start;
}

.content-section.align-center {
  justify-content: center;
}

.content-section.align-right {
  justify-content: flex-end;
}

.content-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.content-section h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.content-section p {
  color: var(--muted);
  line-height: 1.7;
  max-width: 60ch;
}

.content-stack {
  display: grid;
  gap: 1.6rem;
}

.email-placeholder {
  font-weight: 700;
  color: var(--text);
}

.particle-cube {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 1;
}

.particle-cube canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.cube-ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  font-family: "Archivo", sans-serif;
}

.cube-phase {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(11, 11, 12, 0.45);
  font-weight: 600;
}

.cube-progress {
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 110px;
  background: rgba(11, 11, 12, 0.12);
  border-radius: 1px;
}

.cube-progress-fill {
  width: 100%;
  background: var(--accent-2);
  border-radius: 1px;
  height: 0%;
  transition: height 0.1s linear;
}

.cube-dots {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cube-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid rgba(11, 11, 12, 0.4);
  background: rgba(255, 255, 255, 0.9);
  transition: background 0.3s, transform 0.3s;
}

.cube-dot.active {
  background: var(--accent-2);
  transform: scale(1.2);
  border-color: var(--accent-2);
}

.cube-scroll-hint {
  position: absolute;
  bottom: 0.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  opacity: 1;
  transition: opacity 0.6s;
}

.cube-scroll-hint.hidden {
  opacity: 0;
}

.cube-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(11, 11, 12, 0.35);
  font-weight: 600;
}

.cube-scroll-arrow {
  width: 14px;
  height: 14px;
  border-right: 1.5px solid rgba(11, 11, 12, 0.3);
  border-bottom: 1.5px solid rgba(11, 11, 12, 0.3);
  transform: rotate(45deg);
  animation: cube-bob 1.8s ease-in-out infinite;
}

@keyframes cube-bob {
  0%,
  100% {
    transform: rotate(45deg) translateY(-3px);
    opacity: 0.4;
  }
  50% {
    transform: rotate(45deg) translateY(3px);
    opacity: 1;
  }
}

.poster-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
}

.glass-cubes {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.glass-cube {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.25) 45%, rgba(255, 255, 255, 0) 62%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(160, 210, 255, 0.25));
  box-shadow:
    0 40px 80px rgba(15, 15, 20, 0.18),
    inset 0 0 35px rgba(255, 255, 255, 0.8),
    inset 0 0 90px rgba(140, 190, 255, 0.45);
  border: 1px solid rgba(120, 170, 255, 0.4);
  backdrop-filter: blur(6px);
  transform-style: preserve-3d;
  filter:
    drop-shadow(0 18px 24px rgba(30, 90, 255, 0.18))
    saturate(1.2);
}

.glass-cube::before,
.glass-cube::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  opacity: 0.7;
}

.glass-cube::after {
  inset: 6px;
  border: 1px solid rgba(120, 170, 255, 0.45);
  filter: blur(0.6px);
}

.glass-cube::before {
  background: conic-gradient(
    from 120deg,
    rgba(120, 190, 255, 0) 0deg,
    rgba(120, 190, 255, 0.25) 70deg,
    rgba(255, 210, 230, 0.22) 140deg,
    rgba(120, 255, 230, 0.25) 220deg,
    rgba(120, 190, 255, 0) 360deg
  );
  mix-blend-mode: screen;
  opacity: 0.55;
}

.cube-a {
  top: 14%;
  right: 10%;
  transform: rotate(-18deg);
}

.cube-b {
  bottom: 14%;
  right: 20%;
  width: 300px;
  height: 300px;
  transform: rotate(12deg);
}

.poster-type-bg {
  display: none;
}

.contact {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
}

.contact-card {
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 2rem;
  display: grid;
  gap: 0.6rem;
  background: #f6f4f1;
}

.contact-card a {
  color: var(--text);
  font-weight: 700;
}

.divider {
  height: 1px;
  background: rgba(15, 15, 20, 0.12);
  margin: 1rem 0;
}

.footer {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 2rem 6vw 2.6rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border-top: 1px solid rgba(15, 15, 20, 0.08);
  position: relative;
  z-index: 2;
}

.noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='0.12'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 4;
  opacity: 0.18;
}

@media (min-width: 900px) {
  main {
    padding: 0 7vw 6rem;
    gap: 2.5rem;
  }


  .hero {
    min-height: 82vh;
    padding: 0 0 1rem;
  }

  .poster-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 1.6rem;
  }

  .formation .poster-grid {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .poster-title h1 {
    font-size: clamp(5.2rem, 15vw, 13.2rem);
    line-height: 0.74;
    margin-bottom: 0.6rem;
  }

  .poster-mark {
    margin-top: 2rem;
  }

  .poster-quote {
    margin-top: 1.2rem;
    font-size: 1.2rem;
    padding: 1.6rem;
  }

  .keyword-grid {
    margin-top: 1.2rem;
    font-size: 0.8rem;
  }

  .particle-cube {
    opacity: 1;
  }

  .cube-progress {
    right: 2rem;
    height: 130px;
  }

  .cube-phase {
    bottom: 2rem;
    font-size: 0.75rem;
  }

  .poster-lines {
    opacity: 0.7;
  }

  .glass-cube {
    width: 320px;
    height: 320px;
  }

  .cube-a {
    top: 12%;
    right: 10%;
  }

  .cube-b {
    bottom: 12%;
    right: 18%;
  }

  .poster-type-bg {
    font-size: clamp(6rem, 18vw, 16rem);
    line-height: 0.75;
  }

  .contact {
    padding: 3rem;
  }

  .content-card {
    padding: 3rem 3.2rem;
  }

  .footer {
    flex-direction: row;
    justify-content: space-between;
    padding: 2rem 7vw 3rem;
    font-size: 0.8rem;
  }
}