/*
 * OriginSpan Website
 * Main stylesheet
 */

:root {
  --color-bg: #020817;
  --color-bg-soft: #06132b;
  --color-surface: rgba(255, 255, 255, 0.055);
  --color-surface-strong: rgba(255, 255, 255, 0.085);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-strong: rgba(112, 197, 255, 0.34);
  --color-text: #f8fbff;
  --color-muted: #a8b5cb;
  --color-subtle: #71819c;
  --color-blue: #0878f9;
  --color-blue-light: #72b9ff;
  --color-teal: #11d6bf;
  --color-teal-light: #78f0df;
  --color-focus: #8cdcff;

  --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 18px 48px rgba(0, 0, 0, 0.22);
  --shadow-glow: 0 16px 48px rgba(17, 214, 191, 0.18);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-pill: 999px;

  --container-width: 1180px;
  --header-height: 78px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 22px);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background:
    radial-gradient(circle at 76% 4%, rgba(8, 120, 249, 0.19), transparent 31rem),
    radial-gradient(circle at 4% 43%, rgba(17, 214, 191, 0.11), transparent 29rem),
    linear-gradient(180deg, #020817 0%, #030a19 48%, #020817 100%);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 84%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% 0%, transparent 0 34rem, rgba(2, 8, 23, 0.32) 68rem),
    linear-gradient(90deg, rgba(2, 8, 23, 0.36), transparent 20%, transparent 80%, rgba(2, 8, 23, 0.36));
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  color: #00121b;
  background: var(--color-teal-light);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.container {
  width: min(calc(100% - 40px), var(--container-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: #001018;
  background: var(--color-teal-light);
  border-radius: var(--radius-pill);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  background: rgba(2, 8, 23, 0.79);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.26);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 2.3vw, 31px);
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 680;
}

.nav-links > a:not(.button) {
  position: relative;
  transition: color 160ms ease;
}

.nav-links > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--color-blue), var(--color-teal));
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links > a:not(.button):hover {
  color: var(--color-text);
}

.nav-links > a:not(.button):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Buttons */

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

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

.button:active {
  transform: translateY(0);
}

.button-primary {
  color: #001018;
  background: linear-gradient(120deg, var(--color-teal), var(--color-teal-light));
  box-shadow: var(--shadow-glow);
}

.button-primary:hover {
  box-shadow: 0 20px 58px rgba(17, 214, 191, 0.27);
}

.button-secondary {
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.075);
}

.nav-button {
  min-height: 42px;
  padding-inline: 19px;
  color: var(--color-text);
  border-color: rgba(17, 214, 191, 0.42);
  background: rgba(17, 214, 191, 0.08);
}

.nav-button:hover {
  border-color: rgba(17, 214, 191, 0.72);
  background: rgba(17, 214, 191, 0.13);
}

/* Shared section styles */

.section {
  padding: 96px 0;
}

.section-border {
  border-top: 1px solid var(--color-border);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: #bde8ff;
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.135em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  content: "";
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 0 20px rgba(17, 214, 191, 0.95);
}

.gradient-text {
  color: transparent;
  background: linear-gradient(102deg, #ffffff 0%, #82c1ff 46%, #43e7cf 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

/* Hero */

.hero {
  position: relative;
  padding: 116px 0 92px;
}

.hero::before {
  position: absolute;
  top: -110px;
  left: 50%;
  width: min(92vw, 980px);
  height: 520px;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(8, 120, 249, 0.13), transparent 68%);
  transform: translateX(-50%);
  filter: blur(8px);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(340px, 0.86fr);
  align-items: center;
  gap: clamp(50px, 6vw, 82px);
}

.hero-content {
  min-width: 0;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 0;
  font-size: clamp(3.35rem, 7.1vw, 6.7rem);
  font-weight: 820;
  letter-spacing: -0.066em;
  line-height: 0.95;
}

.hero h1 .gradient-text {
  display: block;
}

.hero-copy {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.08rem, 1.9vw, 1.28rem);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-note {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--color-subtle);
  font-size: 0.88rem;
}

/* Orbit visual */

.product-orbit {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.product-orbit::before {
  position: absolute;
  width: 360px;
  height: 360px;
  z-index: -2;
  content: "";
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(8, 120, 249, 0.19), rgba(17, 214, 191, 0.05) 45%, transparent 70%);
  filter: blur(16px);
}

.orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(124, 183, 255, 0.2);
  border-radius: 50%;
}

.orbit::after {
  position: absolute;
  inset: 14%;
  content: "";
  border: 1px dashed rgba(255, 255, 255, 0.045);
  border-radius: inherit;
}

.orbit-one {
  width: 440px;
  height: 440px;
  animation: orbit-rotate 28s linear infinite;
}

.orbit-two {
  width: 314px;
  height: 314px;
  animation: orbit-rotate 21s linear infinite reverse;
}

.orbit-one::before,
.orbit-two::before {
  position: absolute;
  width: 14px;
  height: 14px;
  content: "";
  border-radius: 50%;
}

.orbit-one::before {
  top: 47px;
  right: 48px;
  background: var(--color-teal);
  box-shadow:
    0 0 0 7px rgba(17, 214, 191, 0.075),
    0 0 28px rgba(17, 214, 191, 0.9);
}

.orbit-two::before {
  bottom: 22px;
  left: 70px;
  background: var(--color-blue);
  box-shadow:
    0 0 0 7px rgba(8, 120, 249, 0.075),
    0 0 28px rgba(8, 120, 249, 0.95);
}

.core {
  position: relative;
  z-index: 2;
  width: 232px;
  height: 232px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 48px;
  background:
    linear-gradient(145deg, rgba(8, 120, 249, 0.2), rgba(17, 214, 191, 0.075)),
    rgba(4, 14, 34, 0.96);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.46),
    0 0 80px rgba(8, 120, 249, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: rotate(7deg);
}

.core::before {
  position: absolute;
  inset: 10px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 39px;
}

.core-content {
  position: relative;
  z-index: 1;
  padding: 20px;
  text-align: center;
  transform: rotate(-7deg);
}

.core-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto 17px;
  border-radius: 16px;
  box-shadow: 0 15px 38px rgba(0, 0, 0, 0.28);
}

.core h2 {
  margin-bottom: 0;
  font-size: 1.24rem;
  letter-spacing: -0.025em;
  line-height: 1.22;
}

.core p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.floating-label {
  position: absolute;
  z-index: 4;
  padding: 9px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: #dce9ff;
  background: rgba(4, 14, 32, 0.88);
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.29);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.01em;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.label-one {
  top: 56px;
  left: 22px;
}

.label-two {
  top: 160px;
  right: -4px;
}

.label-three {
  bottom: 66px;
  left: 13px;
}

/* Capabilities */

.section-heading {
  max-width: 790px;
  margin-bottom: 49px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.3rem, 4.6vw, 4.25rem);
  font-weight: 790;
  letter-spacing: -0.052em;
  line-height: 1.03;
}

.section-heading > p:last-child {
  margin: 19px 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  min-height: 248px;
  overflow: hidden;
  padding: 29px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.card::before {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 180px;
  height: 180px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 120, 249, 0.12), transparent 67%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.card:hover {
  border-color: var(--color-border-strong);
  background-color: rgba(255, 255, 255, 0.065);
  box-shadow: var(--shadow-card);
  transform: translateY(-5px);
}

.card:hover::before {
  opacity: 1;
}

.card-number {
  position: relative;
  z-index: 1;
  color: var(--color-teal);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.card h3 {
  position: relative;
  z-index: 1;
  margin: 41px 0 0;
  font-size: 1.22rem;
  letter-spacing: -0.022em;
  line-height: 1.25;
}

.card p {
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 0.93rem;
  line-height: 1.65;
}

/* Platform */

.platform-band {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 5vw, 58px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 84% 18%, rgba(8, 120, 249, 0.18), transparent 26rem),
    radial-gradient(circle at 6% 100%, rgba(17, 214, 191, 0.08), transparent 22rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.067), rgba(255, 255, 255, 0.022));
  box-shadow: var(--shadow-soft);
}

.platform-band::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03)),
    repeating-linear-gradient(
      -35deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 18px
    );
}

.platform-band > * {
  position: relative;
  z-index: 1;
}

.platform-band h2 {
  max-width: 790px;
  margin-bottom: 0;
  font-size: clamp(2.3rem, 5vw, 4.65rem);
  font-weight: 790;
  letter-spacing: -0.058em;
  line-height: 1.01;
}

.platform-band > p:not(.eyebrow) {
  max-width: 760px;
  margin: 21px 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.platform-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 29px;
  margin-top: 50px;
}

.step {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 22px;
}

.step strong {
  display: block;
  margin-bottom: 9px;
  color: var(--color-teal);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.step h3 {
  margin-bottom: 0;
  font-size: 1.24rem;
  letter-spacing: -0.024em;
}

.step p {
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 0.93rem;
  line-height: 1.66;
}

/* CTA */

.cta {
  padding: 110px 0;
  text-align: center;
}

.cta-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(58px, 7vw, 84px) 30px;
  border: 1px solid rgba(17, 214, 191, 0.2);
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 110%, rgba(17, 214, 191, 0.18), transparent 27rem),
    radial-gradient(circle at 20% 0%, rgba(8, 120, 249, 0.11), transparent 24rem),
    rgba(255, 255, 255, 0.035);
  box-shadow: var(--shadow-soft);
}

.cta-inner::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at center, black, transparent 76%);
}

.cta-inner > * {
  position: relative;
  z-index: 1;
}

.cta .eyebrow {
  justify-content: center;
}

.cta h2 {
  max-width: 830px;
  margin: 0 auto;
  font-size: clamp(2.55rem, 5.4vw, 4.9rem);
  font-weight: 790;
  letter-spacing: -0.058em;
  line-height: 1;
}

.cta p:not(.eyebrow) {
  max-width: 710px;
  margin: 24px auto 35px;
  color: var(--color-muted);
  font-size: 1.07rem;
  line-height: 1.75;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 30px 0 38px;
  background: rgba(0, 0, 0, 0.05);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--color-subtle);
  font-size: 0.86rem;
}

.footer-row p {
  margin: 0;
  text-align: right;
}

.footer-row a:not(.brand) {
  transition: color 160ms ease;
}

.footer-row a:not(.brand):hover {
  color: var(--color-text);
}

/* Motion */

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

/* Responsive */

@media (max-width: 1060px) {
  .nav-links {
    gap: 18px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.76fr);
    gap: 42px;
  }

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

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .nav-links > a:not(.button) {
    display: none;
  }

  .hero {
    padding: 86px 0 70px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    text-align: left;
  }

  .product-orbit {
    min-height: 440px;
    margin-top: 8px;
  }

  .platform-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .step {
    max-width: 680px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container-width));
  }

  .brand {
    gap: 10px;
    font-size: 1.08rem;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .nav-button {
    min-height: 40px;
    padding-inline: 15px;
    font-size: 0.83rem;
  }

  .hero {
    padding-top: 70px;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 4.55rem);
  }

  .hero-copy {
    font-size: 1.04rem;
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .product-orbit {
    min-height: 374px;
  }

  .orbit-one {
    width: 330px;
    height: 330px;
  }

  .orbit-two {
    width: 244px;
    height: 244px;
  }

  .core {
    width: 190px;
    height: 190px;
    border-radius: 40px;
  }

  .core::before {
    border-radius: 32px;
  }

  .core-icon {
    width: 61px;
    height: 61px;
    margin-bottom: 13px;
  }

  .core h2 {
    font-size: 1.04rem;
  }

  .core p {
    font-size: 0.73rem;
  }

  .floating-label {
    display: none;
  }

  .section {
    padding: 76px 0;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 220px;
  }

  .platform-band {
    padding: 36px 22px;
    border-radius: 24px;
  }

  .cta {
    padding: 82px 0;
  }

  .cta-inner {
    padding-inline: 22px;
    border-radius: 25px;
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-row p {
    text-align: left;
  }
}

@media (max-width: 390px) {
  .nav .brand span:last-child {
    display: none;
  }

  .nav-button {
    padding-inline: 13px;
  }

  .hero h1 {
    font-size: 2.85rem;
  }

  .orbit-one {
    width: 292px;
    height: 292px;
  }

  .orbit-two {
    width: 218px;
    height: 218px;
  }

  .core {
    width: 176px;
    height: 176px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}