:root {
  --ink: #111311;
  --paper: #f4f1e9;
  --cream: #fffaf0;
  --moss: #667a55;
  --fern: #1d3a2a;
  --blue: #235a80;
  --coral: #d66a4d;
  --gold: #d8a642;
  --mint: #b8d8c2;
  --line-dark: rgba(17, 19, 17, 0.14);
  --line-light: rgba(255, 250, 240, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.concept-header,
.concept-footer,
.brand,
.concept-nav,
.actions,
.mini-nav {
  display: flex;
  align-items: center;
}

.concept-header,
.concept-footer {
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(18px, 4vw, 56px);
}

.concept-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(16, 18, 17, 0.72);
  color: #fffaf0;
  backdrop-filter: blur(18px);
}

.brand {
  gap: 12px;
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand img {
  width: 32px;
  height: 40px;
  object-fit: contain;
}

.concept-nav,
.mini-nav {
  gap: clamp(14px, 2.8vw, 28px);
  font-size: 14px;
  font-weight: 650;
}

.concept-nav a,
.concept-footer a,
.button {
  text-decoration: none;
}

.concept-nav a {
  color: rgba(255, 250, 240, 0.72);
}

.concept-nav a:hover {
  color: #fffaf0;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  line-height: 0.94;
}

h2 {
  font-size: clamp(34px, 5vw, 72px);
  line-height: 1;
}

h3 {
  font-size: clamp(23px, 2.5vw, 34px);
  line-height: 1.05;
}

p {
  line-height: 1.68;
}

.lede {
  margin: 24px 0 0;
  max-width: 700px;
  font-size: clamp(18px, 2vw, 23px);
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.concept-footer {
  background: #101211;
  color: #d7dacd;
  font-size: 14px;
}

.concept-footer p {
  margin: 0;
}

.concept-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(255, 250, 240, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 250, 240, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000, transparent 84%);
}

/* Concept 1 */
.signal-body {
  background: #101211;
  color: #fffaf0;
}

.signal-hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 77px);
  padding: clamp(34px, 5vw, 68px) clamp(18px, 5vw, 72px) 42px;
  background:
    radial-gradient(circle at 18% 22%, rgba(214, 106, 77, 0.34), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(35, 90, 128, 0.52), transparent 31%),
    radial-gradient(circle at 58% 78%, rgba(216, 166, 66, 0.22), transparent 30%),
    linear-gradient(145deg, #111311 0%, #142b21 45%, #0d1821 100%);
  background-size: 120% 120%, 140% 140%, 130% 130%, 100% 100%;
  animation: gradientBreathe 13s ease-in-out infinite alternate;
  overflow: hidden;
}

.signal-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(255, 250, 240, 0.08), transparent 22% 62%, rgba(184, 216, 194, 0.08)),
    repeating-linear-gradient(90deg, rgba(255, 250, 240, 0.055) 0 1px, transparent 1px 74px);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.86), transparent 88%);
  animation: slowPan 18s ease-in-out infinite alternate;
  z-index: -1;
}

.signal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(214, 106, 77, 0.24), transparent 26%),
    radial-gradient(circle at 86% 22%, rgba(184, 216, 194, 0.2), transparent 22%),
    radial-gradient(circle at 66% 86%, rgba(216, 166, 66, 0.18), transparent 22%);
  mix-blend-mode: screen;
  opacity: 0.78;
  animation: pulseField 7s ease-in-out infinite alternate;
  z-index: -1;
}

.signal-layout {
  display: flex;
  align-items: flex-start;
  min-height: auto;
}

.signal-copy {
  position: relative;
  z-index: 2;
  width: min(60vw, 760px);
  max-width: 760px;
}

.signal-copy .eyebrow {
  margin-bottom: 18px;
  color: #e4c27b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.signal-copy h1 {
  max-width: 760px;
  font-size: clamp(52px, 7.2vw, 104px);
  line-height: 0.98;
  text-wrap: balance;
}

.signal-copy .lede {
  max-width: 690px;
  margin-top: 28px;
  color: rgba(255, 250, 240, 0.74);
  font-size: clamp(18px, 1.65vw, 21px);
  line-height: 1.58;
}

.signal-copy .button.primary {
  background: #fffaf0;
  color: #101211;
}

.signal-copy .button.ghost {
  color: #fffaf0;
}

.signal-chip {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 104px;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(255, 250, 240, 0.28);
  background: rgba(255, 250, 240, 0.08);
  color: #fffaf0;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  backdrop-filter: blur(14px);
}

.chip-a {
  top: 10%;
  left: 0;
}

.chip-b {
  right: 4%;
  top: 42%;
}

.chip-c {
  bottom: 10%;
  left: 14%;
}

.signal-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(44px, 6vw, 84px);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
  background: rgba(16, 18, 17, 0.2);
  backdrop-filter: blur(10px);
}

.signal-strip article {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.signal-strip span {
  color: #f2bd64;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.signal-strip p {
  color: rgba(255, 250, 240, 0.68);
}

/* Concept 2 */
.atlas-body {
  background: #f7f4ec;
}

.atlas-body .concept-header {
  background: rgba(247, 244, 236, 0.82);
  color: #131514;
  border-color: rgba(19, 21, 20, 0.12);
}

.atlas-body .concept-nav a {
  color: rgba(19, 21, 20, 0.62);
}

.atlas-body .concept-nav a:hover {
  color: #131514;
}

.atlas-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: stretch;
  min-height: calc(100vh - 77px);
  padding: clamp(42px, 6vw, 84px) clamp(18px, 5vw, 70px);
}

.atlas-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.atlas-copy .eyebrow {
  color: #a3513c;
}

.atlas-copy h1 {
  font-size: clamp(52px, 8vw, 118px);
}

.atlas-copy .lede {
  color: #4f554d;
}

.atlas-copy .button.primary {
  background: #111311;
  color: #fffaf0;
}

.atlas-copy .button.ghost {
  background: #e9e2d4;
}

.atlas-board {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background:
    linear-gradient(90deg, rgba(17, 19, 17, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(17, 19, 17, 0.06) 1px, transparent 1px),
    #e7e2d7;
  background-size: 44px 44px;
}

.atlas-card {
  position: absolute;
  width: min(46%, 290px);
  min-height: 180px;
  padding: 22px;
  border: 1px solid rgba(17, 19, 17, 0.16);
  background: rgba(255, 250, 240, 0.82);
  box-shadow: 0 22px 42px rgba(17, 19, 17, 0.12);
  backdrop-filter: blur(12px);
}

.atlas-card h3 {
  font-size: 30px;
  overflow-wrap: normal;
  word-break: normal;
}

.atlas-card p {
  margin-bottom: 0;
  color: #596055;
}

.atlas-one {
  left: 8%;
  top: 10%;
  transform: rotate(-4deg);
}

.atlas-two {
  right: 7%;
  top: 25%;
  transform: rotate(5deg);
}

.atlas-three {
  left: 19%;
  bottom: 10%;
  transform: rotate(2deg);
}

.atlas-system {
  position: absolute;
  right: 5%;
  bottom: 5%;
  width: min(34%, 220px);
  aspect-ratio: 1;
  filter: drop-shadow(0 22px 28px rgba(17, 19, 17, 0.14));
}

.orbit,
.node {
  position: absolute;
  display: block;
}

.orbit {
  inset: 0;
  border: 2px solid rgba(24, 50, 37, 0.22);
  border-radius: 50%;
}

.orbit-two {
  inset: 18%;
  border-style: dashed;
  animation: slowTurn 20s linear infinite reverse;
}

.node {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #183225;
  box-shadow: 0 0 0 10px rgba(24, 50, 37, 0.08);
}

.node-one {
  left: 12%;
  top: 18%;
}

.node-two {
  right: 7%;
  top: 44%;
  background: #d8a642;
}

.node-three {
  left: 42%;
  bottom: 4%;
  background: #d66a4d;
}

.atlas-ribbon {
  position: absolute;
  left: -12%;
  top: 49%;
  width: 130%;
  padding: 15px 0;
  overflow: hidden;
  transform: rotate(-9deg);
  background: #183225;
  color: #fffaf0;
  white-space: nowrap;
}

.atlas-ribbon span {
  display: inline-block;
  padding-left: 100%;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  animation: marquee 17s linear infinite;
}

.atlas-band {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 7vw, 90px);
  padding: clamp(58px, 7vw, 104px) clamp(18px, 5vw, 70px);
  background: #132318;
  color: #fffaf0;
}

.atlas-band .eyebrow {
  color: #d8a642;
}

.atlas-band p {
  margin-top: 0;
  color: rgba(255, 250, 240, 0.72);
  font-size: 18px;
}

/* Concept 3 */
.nocturne-body {
  background: #080a0c;
  color: #eef5ef;
}

.nocturne-hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 77px);
  display: grid;
  align-items: end;
  padding: clamp(56px, 8vw, 112px) clamp(18px, 5vw, 72px);
  overflow: hidden;
  background:
    linear-gradient(to top, rgba(8, 10, 12, 0.98), rgba(8, 10, 12, 0.28) 50%, rgba(8, 10, 12, 0.82)),
    repeating-linear-gradient(90deg, transparent 0 64px, rgba(238, 245, 239, 0.045) 64px 65px),
    repeating-linear-gradient(0deg, transparent 0 64px, rgba(238, 245, 239, 0.035) 64px 65px),
    radial-gradient(circle at 48% 30%, rgba(103, 138, 88, 0.46), transparent 28%),
    #080a0c;
}

.nocturne-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 35%, rgba(214, 106, 77, 0.24), transparent 20%),
    radial-gradient(circle at 78% 70%, rgba(35, 90, 128, 0.28), transparent 24%);
  animation: pulseField 6.5s ease-in-out infinite alternate;
  z-index: -1;
}

.nocturne-hero::after {
  content: "";
  position: absolute;
  right: clamp(22px, 8vw, 120px);
  top: clamp(110px, 16vw, 190px);
  width: min(46vw, 620px);
  aspect-ratio: 1.35;
  border: 1px solid rgba(238, 245, 239, 0.14);
  background:
    linear-gradient(135deg, rgba(238, 245, 239, 0.16), transparent 42%),
    linear-gradient(90deg, rgba(238, 245, 239, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(238, 245, 239, 0.08) 1px, transparent 1px),
    rgba(238, 245, 239, 0.035);
  background-size: auto, 42px 42px, 42px 42px, auto;
  clip-path: polygon(0 0, 100% 12%, 88% 100%, 9% 84%);
  transform: rotate(-4deg);
  z-index: -1;
}

.nocturne-copy {
  max-width: 1000px;
}

.nocturne-copy .eyebrow {
  color: #b8d8c2;
}

.nocturne-copy h1 {
  font-size: clamp(56px, 11vw, 154px);
  text-wrap: balance;
}

.nocturne-copy .lede {
  color: rgba(238, 245, 239, 0.78);
}

.nocturne-copy .button.primary {
  background: #eef5ef;
  color: #080a0c;
}

.nocturne-copy .button.ghost {
  color: #eef5ef;
}

.nocturne-panels {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  border-top: 1px solid rgba(238, 245, 239, 0.18);
  background: #080a0c;
}

.nocturne-panels article {
  min-height: 300px;
  padding: clamp(26px, 4vw, 48px);
  border-right: 1px solid rgba(238, 245, 239, 0.18);
}

.nocturne-panels article:nth-child(1) {
  background: #102017;
}

.nocturne-panels article:nth-child(2) {
  background: #242116;
}

.nocturne-panels article:nth-child(3) {
  background: #172535;
}

.nocturne-panels span {
  color: rgba(238, 245, 239, 0.58);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.nocturne-panels p {
  color: rgba(238, 245, 239, 0.72);
}

/* Concept 4 */
.workshop-body {
  background: #f2f6ef;
}

.workshop-body .concept-header {
  background: rgba(242, 246, 239, 0.85);
  color: #111311;
  border-color: rgba(17, 19, 17, 0.12);
}

.workshop-body .concept-nav a {
  color: rgba(17, 19, 17, 0.62);
}

.workshop-body .concept-nav a:hover {
  color: #111311;
}

.workshop-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: clamp(30px, 5vw, 76px);
  align-items: center;
  min-height: calc(100vh - 77px);
  padding: clamp(46px, 7vw, 96px) clamp(18px, 5vw, 70px);
  background:
    linear-gradient(90deg, rgba(17, 19, 17, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(17, 19, 17, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #f2f6ef 0%, #f5e6d4 49%, #dcebdc 100%);
  background-size: 36px 36px, 36px 36px, auto;
}

.workshop-copy .eyebrow {
  color: #235a80;
}

.workshop-copy h1 {
  font-size: clamp(50px, 8.6vw, 126px);
}

.workshop-copy .lede {
  color: #4e564d;
}

.workshop-copy .button.primary {
  background: #111311;
  color: #fffaf0;
}

.workshop-copy .button.ghost {
  background: rgba(255, 250, 240, 0.58);
}

.workbench {
  position: relative;
  min-height: 620px;
}

.device {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(17, 19, 17, 0.2);
  background: #fffaf0;
  box-shadow: 0 24px 46px rgba(17, 19, 17, 0.16);
}

.device-phone {
  right: 10%;
  top: 5%;
  width: min(38vw, 250px);
  aspect-ratio: 0.58;
  border-radius: 36px;
  transform: rotate(5deg);
}

.device-tablet {
  left: 0;
  bottom: 8%;
  width: min(52vw, 470px);
  aspect-ratio: 1.35;
  border-radius: 26px;
  transform: rotate(-5deg);
}

.device-top {
  height: 38px;
  border-bottom: 1px solid rgba(17, 19, 17, 0.12);
  background: #162b20;
}

.device-screen {
  position: absolute;
  inset: 56px 20px 20px;
  display: grid;
  gap: 12px;
}

.screen-line,
.screen-block,
.screen-dot {
  background: rgba(17, 19, 17, 0.12);
}

.screen-line {
  height: 12px;
}

.screen-line.short {
  width: 54%;
}

.screen-block {
  min-height: 110px;
  background:
    linear-gradient(135deg, rgba(35, 90, 128, 0.24), rgba(214, 106, 77, 0.24)),
    rgba(17, 19, 17, 0.08);
}

.screen-dot {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #d8a642;
}

.workshop-sparks {
  position: absolute;
  left: 42%;
  top: 26%;
  width: min(28vw, 240px);
  aspect-ratio: 1;
  animation: hoverMark 4.2s ease-in-out infinite;
}

.workshop-sparks span {
  position: absolute;
  display: block;
  border-radius: 999px;
  background: #111311;
  box-shadow: 0 16px 32px rgba(17, 19, 17, 0.12);
}

.workshop-sparks span:nth-child(1) {
  left: 45%;
  top: 2%;
  width: 12px;
  height: 64px;
  background: #d8a642;
}

.workshop-sparks span:nth-child(2) {
  right: 8%;
  top: 39%;
  width: 78px;
  height: 12px;
  background: #235a80;
}

.workshop-sparks span:nth-child(3) {
  left: 16%;
  bottom: 10%;
  width: 96px;
  height: 12px;
  transform: rotate(-32deg);
  background: #d66a4d;
}

.workshop-sparks span:nth-child(4) {
  left: 29%;
  top: 30%;
  width: 30px;
  height: 30px;
  border: 7px solid #183225;
  background: transparent;
}

.workshop-tags {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  gap: 10px;
}

.workshop-tags span {
  padding: 12px 16px;
  border: 1px solid rgba(17, 19, 17, 0.16);
  background: rgba(255, 250, 240, 0.74);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workshop-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(17, 19, 17, 0.14);
}

.workshop-band article {
  min-height: 250px;
  padding: clamp(26px, 4vw, 46px);
  border-right: 1px solid rgba(17, 19, 17, 0.14);
}

.workshop-band article:nth-child(1) {
  background: #fffaf0;
}

.workshop-band article:nth-child(2) {
  background: #e8f0df;
}

.workshop-band article:nth-child(3) {
  background: #f0dfcf;
}

.workshop-band span {
  color: #235a80;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.workshop-band p {
  color: #596055;
}

@keyframes hoverMark {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }

  50% {
    transform: translateY(-16px) rotate(2deg);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes slowTurn {
  to {
    transform: rotate(360deg);
  }
}

@keyframes drift {
  to {
    transform: translate(-5vw, -3vw) rotate(12deg);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

@keyframes pulseField {
  to {
    opacity: 0.55;
    transform: scale(1.05);
  }
}

@keyframes gradientBreathe {
  0% {
    background-position: 0% 0%, 100% 0%, 50% 100%, 0 0;
  }

  100% {
    background-position: 12% 8%, 82% 16%, 42% 84%, 0 0;
  }
}

@keyframes slowPan {
  0% {
    transform: translateX(-2%);
    opacity: 0.58;
  }

  100% {
    transform: translateX(3%);
    opacity: 0.9;
  }
}

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

@media (max-width: 900px) {
  .atlas-hero,
  .atlas-band,
  .workshop-hero {
    grid-template-columns: 1fr;
  }

  .signal-copy {
    width: min(82vw, 720px);
  }

  .signal-strip,
  .nocturne-panels,
  .workshop-band {
    grid-template-columns: 1fr;
  }

  .atlas-board,
  .workbench {
    min-height: 500px;
  }

  .atlas-card {
    width: min(58%, 280px);
  }

  .nocturne-hero::after {
    width: min(76vw, 520px);
    top: 120px;
    opacity: 0.68;
  }
}

@media (max-width: 560px) {
  .concept-header,
  .concept-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .concept-nav,
  .mini-nav {
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
  }

  .brand {
    font-size: 14px;
  }

  .button {
    width: 100%;
  }

  .signal-copy h1,
  .atlas-copy h1,
  .nocturne-copy h1,
  .workshop-copy h1 {
    font-size: clamp(44px, 14vw, 70px);
  }

  .atlas-board,
  .workbench {
    min-height: 430px;
  }

  .atlas-card {
    width: min(68%, 250px);
    padding: 18px;
  }

  .atlas-card h3 {
    font-size: 25px;
  }

  .device-phone {
    width: min(56vw, 210px);
  }

  .device-tablet {
    width: min(76vw, 360px);
  }

  .workshop-tags {
    position: relative;
    margin-top: 20px;
  }
}
