:root {
  color-scheme: light;
  --paper: #F7F3EC;
  --paper-light: #FFF9EF;
  --paper-warm: #EDE2D2;
  --ink: #111113;
  --graphite: #211f1d;
  --muted: #5d564d;
  --purple-dark: #3A235A;
  --purple: #6C35A8;
  --purple-light: #B98AF0;
  --mouse-x: 58%;
  --mouse-y: 48%;
}

* {
  box-sizing: border-box;
  color-scheme: light;
}

html {
  min-height: 100%;
  background: #F7F3EC;
  color-scheme: light;
}

body {
  min-height: 100svh;
  margin: 0;
  overflow: hidden;
  background: #F7F3EC;
  color: #111113;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

.poster-shell {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-rows: minmax(0, 1fr) auto;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.2rem, 3.2vh, 2.8rem) clamp(1rem, 4vw, 4.2rem) clamp(0.95rem, 2.4vh, 1.45rem);
  background:
    radial-gradient(ellipse at 50% 12%, rgba(255, 255, 255, 0.76), transparent 36%),
    radial-gradient(ellipse at 50% 96%, rgba(255, 255, 255, 0.30), transparent 48%),
    linear-gradient(135deg, var(--paper-light) 0%, var(--paper) 50%, var(--paper-warm) 100%);
}

.poster-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.poster-wordmark {
  position: absolute;
  z-index: 2;
  top: 49%;
  left: 49%;
  width: clamp(1260px, 147vw, 2460px);
  max-width: none;
  transform: translate(-50%, -50%) rotate(-4.5deg);
  transform-origin: center;
  animation: wordmark-breathe 46s ease-in-out infinite alternate;
}

.purple-reveal {
  position: absolute;
  z-index: 0;
  top: var(--mouse-y);
  left: var(--mouse-x);
  width: min(56rem, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 48% 48%, rgba(255, 255, 255, 0.38), transparent 24%),
    radial-gradient(circle, rgba(108, 53, 168, 0.22), rgba(108, 53, 168, 0.10) 36%, transparent 68%);
  filter: blur(52px);
  mix-blend-mode: multiply;
  opacity: 0.62;
  transform: translate(-50%, -50%);
  transition: top 700ms ease, left 700ms ease;
  animation: slow-drift 34s ease-in-out infinite alternate;
}

.paper-vignette {
  position: absolute;
  z-index: 1;
  inset: -1px;
  background:
    linear-gradient(90deg, rgba(247, 243, 236, 0.24), rgba(247, 243, 236, 0.52) 50%, rgba(247, 243, 236, 0.20)),
    radial-gradient(ellipse at 50% 54%, transparent 0 50%, rgba(17, 17, 19, 0.055) 100%);
}

.hero {
  position: relative;
  z-index: 2;
  align-self: center;
  justify-self: center;
  width: min(920px, 100%);
  text-align: center;
  transform: translateY(-0.5rem);
  animation: hero-in 900ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero::before {
  position: absolute;
  inset: -2.2rem -3.6rem;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.16) 58%, transparent 75%);
  content: "";
}

.logo-composite {
  position: relative;
  display: inline-block;
}

.logo-base,
.watermark-base {
  display: block;
  width: 100%;
  height: auto;
}

.watermark-base {
  opacity: 0.052;
  filter: grayscale(1) contrast(1.16);
  mix-blend-mode: multiply;
}

.logo-accent-layer,
.watermark-accent-layer {
  position: absolute;
  inset: 0;
  background: #6C35A8;
  mask-image: url("assets/nida-logo-accent-mask.png?v=15");
  -webkit-mask-image: url("assets/nida-logo-accent-mask.png?v=15");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
  pointer-events: none;
  animation: nida-accent-bg-cycle 24s ease-in-out infinite;
}

.watermark-accent-layer {
  mask-image: url("assets/nida-watermark-accent-mask.png?v=15");
  -webkit-mask-image: url("assets/nida-watermark-accent-mask.png?v=15");
}

.logo-wrap {
  display: block;
  width: clamp(330px, 30vw, 430px);
  max-width: 84vw;
  margin: 0 auto clamp(1.05rem, 2vh, 1.45rem);
  filter: drop-shadow(0 24px 42px rgba(17, 17, 19, 0.13));
}

.eyebrow {
  margin: 0;
  color: var(--graphite);
  font-size: clamp(0.9rem, 1.45vw, 1.05rem);
  font-weight: 760;
  letter-spacing: 0.36em;
}

.accent-line {
  width: clamp(5.4rem, 8vw, 7.4rem);
  height: 2px;
  margin: clamp(0.95rem, 2vh, 1.25rem) auto clamp(1.05rem, 2.4vh, 1.6rem);
  background: #6C35A8;
  animation: nida-accent-bg-cycle 24s ease-in-out infinite;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.25rem, 6.4vw, 5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0;
}

.contact {
  display: inline-flex;
  min-height: 3.22rem;
  align-items: center;
  justify-content: center;
  margin-top: clamp(1.55rem, 3vh, 2.05rem);
  padding: 0.72rem 1.45rem 0.78rem;
  border: 1px solid rgba(17, 17, 19, 0.15);
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.70);
  box-shadow: 0 14px 30px rgba(17, 17, 19, 0.075), inset 0 1px 0 rgba(255, 255, 255, 0.90);
  color: var(--ink);
  font-size: clamp(0.98rem, 1.45vw, 1.04rem);
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.contact:hover,
.contact:focus-visible {
  border-color: rgba(108, 53, 168, 0.42);
  box-shadow: 0 18px 46px rgba(108, 53, 168, 0.14), 0 8px 20px rgba(17, 17, 19, 0.08);
  transform: translateY(-2px);
}

.contact:focus-visible {
  outline: 3px solid rgba(108, 53, 168, 0.22);
  outline-offset: 4px;
}

.site-footer {
  position: relative;
  z-index: 2;
  justify-self: center;
  color: rgba(17, 17, 19, 0.68);
  font-size: clamp(0.78rem, 1.25vw, 0.92rem);
  font-weight: 650;
  text-align: center;
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(0.9rem) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(-0.5rem) scale(1);
  }
}

@keyframes slow-drift {
  from {
    transform: translate(-50%, -50%) scale(0.94);
  }

  to {
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@keyframes wordmark-breathe {
  from {
    transform: translate(-50%, -50%) rotate(-4.5deg) scale(0.99);
  }

  to {
    transform: translate(-50%, -50%) rotate(-3.8deg) scale(1.015);
  }
}

@keyframes nida-accent-bg-cycle {
  0% {
    background: #6C35A8;
  }

  16% {
    background: #2563EB;
  }

  32% {
    background: #22A06B;
  }

  48% {
    background: #F2C94C;
  }

  64% {
    background: #FF6A3D;
  }

  80% {
    background: #E85DA8;
  }

  100% {
    background: #6C35A8;
  }
}

@media (max-width: 760px) {
  .poster-shell {
    padding: 1rem 1rem 0.9rem;
  }

  .poster-wordmark {
    top: 49%;
    left: 49%;
    width: clamp(840px, 246vw, 1080px);
    transform: translate(-50%, -50%) rotate(-6.5deg);
  }

  .watermark-base {
    opacity: 0.05;
  }

  .purple-reveal {
    width: 34rem;
    opacity: 0.60;
    animation: mobile-glow 30s ease-in-out infinite alternate;
  }

  .hero {
    transform: translateY(-0.1rem);
  }

  .hero::before {
    inset: -2rem -2.2rem;
  }

  .logo-wrap {
    width: clamp(235px, 76vw, 300px);
  }

  .eyebrow {
    font-size: 0.82rem;
    letter-spacing: 0.28em;
  }

  h1 {
    font-size: clamp(2.45rem, 11.5vw, 3.05rem);
  }

  .contact {
    min-height: 3.16rem;
    margin-top: 1.45rem;
    padding-right: 1.45rem;
    padding-left: 1.45rem;
  }

  .site-footer {
    width: min(100%, 21rem);
    font-size: 0.75rem;
    line-height: 1.35;
  }
}

@keyframes mobile-glow {
  0% {
    top: 35%;
    left: 28%;
  }

  100% {
    top: 58%;
    left: 72%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .logo-accent-layer,
  .watermark-accent-layer,
  .accent-line {
    background: #6C35A8;
    animation: none !important;
  }
}