:root {
  --white: #f8f9ff;
  --body-copy: #dedce6;
  --muted: rgba(226, 223, 232, 0.88);
  --line: rgba(188, 199, 226, 0.20);
  --heading: "Montserrat", system-ui, sans-serif;
  --body: "Lora", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #030817;
  color: var(--white);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
a {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(78, 182, 255, 0.95);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 50;
  transform: translateY(-180%);
  border-radius: 0.65rem;
  padding: 0.75rem 1rem;
  background: white;
  color: #071224;
}

.skip-link:focus {
  transform: none;
}

.landing {
  position: relative;
  isolation: isolate;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  padding:
    clamp(1.05rem, 2.2vh, 2.1rem)
    clamp(2rem, 3.1vw, 3.7rem)
    clamp(0.72rem, 1.35vh, 1.1rem);
}

.landing__background,
.landing__shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.landing__background {
  z-index: -5;
  background: url("../assets/argus-nightscape.webp") center center / cover no-repeat;
}

.landing__shade {
  z-index: -4;
  background:
    linear-gradient(
      90deg,
      rgba(2, 8, 22, 0.60) 0%,
      rgba(2, 8, 22, 0.22) 35%,
      rgba(2, 8, 22, 0.02) 68%,
      transparent 100%
    ),
    linear-gradient(
      0deg,
      rgba(1, 6, 17, 0.97) 0%,
      rgba(1, 6, 17, 0.31) 41%,
      transparent 66%
    );
}

.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.site-logo {
  display: block;
  width: clamp(12rem, 14vw, 16rem);
  height: auto;
}

.contact-button {
  position: relative;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.68rem;
  border: 0;
  border-radius: 999px;
  padding: 0.68rem 1.28rem;
  overflow: hidden;
  background: linear-gradient(106deg, #2299ff, #7363ff 57%, #d94de1);
  color: white;
  cursor: pointer;
  font-family: var(--heading);
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow:
    0 12px 32px rgba(70, 78, 231, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition:
    transform 180ms ease,
    filter 180ms ease,
    box-shadow 180ms ease;
}

.contact-button::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-110%);
  background: linear-gradient(
    105deg,
    transparent 18%,
    rgba(255, 255, 255, 0.20),
    transparent 82%
  );
  transition: transform 520ms cubic-bezier(.2, .75, .25, 1);
}

.contact-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow:
    0 18px 40px rgba(70, 78, 231, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.30);
}

.contact-button:hover::after {
  transform: translateX(110%);
}

.contact-button:active {
  transform: translateY(0) scale(0.98);
}

.contact-button svg {
  width: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.hero {
  position: relative;
  z-index: 3;
  align-self: center;
  justify-self: center;
  width: min(760px, 62vw);
  display: grid;
  justify-items: center;
  text-align: center;
  transform: translateY(-1.2vh);
}

h1 {
  margin: 0;
  font-family: var(--heading);
  font-size: clamp(2.65rem, 3.15vw, 3.8rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.036em;
}

h1 > span {
  display: block;
}

.hero__gradient {
  margin-top: 0.10em;
  background: linear-gradient(90deg, #2e9cff, #7067ff 53%, #cc54df);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__intro {
  margin: clamp(1.3rem, 2.65vh, 1.95rem) 0 0;
  color: var(--body-copy);
  font-size: clamp(1rem, 1.18vw, 1.28rem);
  line-height: 1.62;
  text-shadow: 0 4px 22px rgba(0, 0, 0, 0.55);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  width: min(610px, 52vw);
  margin-top: clamp(1.5rem, 2.9vh, 2.2rem);
}

.countdown__item {
  min-width: 0;
  padding: 0 clamp(1.2rem, 2vw, 2.05rem);
  text-align: center;
}

.countdown__item + .countdown__item {
  border-left: 1px solid rgba(205, 211, 231, 0.28);
}

.countdown__item strong {
  display: block;
  font-family: var(--heading);
  font-size: clamp(2.3rem, 2.95vw, 3.4rem);
  font-weight: 400;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.42);
}

.countdown__item span {
  display: block;
  margin-top: 0.62rem;
  color: #cfc9df;
  font-family: var(--heading);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.launch-date {
  margin: clamp(1.1rem, 2.2vh, 1.65rem) 0 0;
  font-family: var(--heading);
  font-size: clamp(0.67rem, 0.73vw, 0.82rem);
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #36baff, #7872ff 54%, #d65be2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.information {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  padding:
    clamp(1.12rem, 2.1vh, 1.7rem)
    0
    clamp(0.75rem, 1.42vh, 1.15rem);
  background: linear-gradient(
    180deg,
    rgba(3, 11, 29, 0.20),
    rgba(2, 8, 21, 0.54)
  );
  backdrop-filter: blur(4px);
}

.information__item {
  min-width: 0;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 1rem;
  padding: 0 clamp(1.15rem, 2vw, 2rem);
}

.information__item:first-child {
  padding-left: clamp(1.25rem, 2.5vw, 2.5rem);
}

.information__item:last-child {
  padding-right: clamp(1.25rem, 2.5vw, 2.5rem);
}

.information__item + .information__item {
  border-left: 1px solid rgba(196, 203, 225, 0.18);
}

.information__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
}

.information__icon svg {
  width: 42px;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px rgba(91, 99, 255, 0.32));
}

.information__icon--people svg {
  stroke: #389cff;
}

.information__icon--device svg {
  stroke: #596cff;
}

.information__icon--shield svg {
  stroke: #7c5dff;
}

.information__icon--brain svg {
  stroke: #b24ee8;
}

.information h2 {
  margin: 0 0 0.66rem;
  font-family: var(--heading);
  font-size: clamp(0.9rem, 0.94vw, 1.07rem);
  font-weight: 600;
}

.information p,
.information li {
  color: var(--muted);
  font-size: clamp(0.76rem, 0.77vw, 0.89rem);
  line-height: 1.58;
}

.information p {
  margin: 0;
}

.information ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.information li {
  position: relative;
  padding-left: 1.35rem;
}

.information li + li {
  margin-top: 0.24rem;
}

.information li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #a75cff;
  font-family: var(--heading);
  font-weight: 700;
}

.site-footer {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: end;
  justify-content: space-between;
  border-top: 1px solid rgba(196, 203, 225, 0.13);
  padding-top: clamp(0.76rem, 1.35vh, 1.05rem);
  color: rgba(221, 218, 228, 0.78);
  font-size: clamp(0.71rem, 0.71vw, 0.81rem);
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 0.20rem;
}

.site-footer nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.4rem);
}

.site-footer a,
.footer-contact {
  border: 0;
  padding: 0;
  background: none;
  color: rgba(239, 236, 244, 0.88);
  text-decoration: none;
  cursor: pointer;
}

.site-footer a:hover,
.footer-contact:hover {
  color: white;
}

.noscript {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 20;
  border-radius: 0.7rem;
  padding: 0.85rem 1rem;
  background: white;
  color: #061121;
  text-align: center;
}

@media (max-height: 820px) and (min-width: 1101px) {
  .landing {
    padding-top: 0.72rem;
    padding-bottom: 0.52rem;
  }

  .site-logo {
    width: 11.5rem;
  }

  .contact-button {
    min-height: 40px;
    padding: 0.54rem 0.95rem;
  }

  .hero {
    transform: translateY(-0.55vh);
  }

  h1 {
    font-size: clamp(2.15rem, 2.62vw, 2.95rem);
  }

  .hero__intro {
    margin-top: 0.78rem;
    font-size: 0.92rem;
  }

  .countdown {
    width: 540px;
    margin-top: 0.95rem;
  }

  .countdown__item strong {
    font-size: 2rem;
  }

  .countdown__item span {
    margin-top: 0.4rem;
  }

  .launch-date {
    margin-top: 0.72rem;
  }

  .information {
    padding-top: 0.72rem;
    padding-bottom: 0.52rem;
  }

  .information p,
  .information li {
    font-size: 0.68rem;
  }

  .site-footer {
    padding-top: 0.52rem;
  }
}

@media (max-width: 1100px) {
  html,
  body {
    height: auto;
  }

  body {
    overflow: auto;
  }

  .landing {
    width: 100%;
    height: auto;
    min-height: 100dvh;
    overflow: visible;
    grid-template-rows: auto auto auto auto;
  }

  .hero {
    width: min(100%, 760px);
    padding: 4rem 0 3rem;
    transform: none;
  }

  .landing__background {
    background-position: 60% center;
  }

  .landing__shade {
    background:
      linear-gradient(90deg, rgba(2, 8, 22, 0.90), rgba(2, 8, 22, 0.42)),
      linear-gradient(0deg, rgba(1, 6, 17, 0.94), rgba(1, 6, 17, 0.18) 52%);
  }

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

  .information__item:nth-child(3) {
    border-left: 0;
  }

  .information__item:nth-child(n + 3) {
    border-top: 1px solid rgba(196, 203, 225, 0.18);
    padding-top: 1.4rem;
  }
}

@media (max-width: 650px) {
  .landing {
    padding: 1rem;
  }

  .site-logo {
    width: 10rem;
  }

  .contact-button {
    min-height: 40px;
    padding: 0.58rem;
  }

  .contact-button span {
    display: none;
  }

  .hero {
    padding: 3rem 0 2.3rem;
  }

  h1 {
    font-size: clamp(2.1rem, 11vw, 3rem);
  }

  .hero__intro br {
    display: none;
  }

  .countdown {
    width: 100%;
    grid-template-columns: repeat(2, minmax(110px, 1fr));
    gap: 1.3rem 0;
  }

  .countdown__item:nth-child(3) {
    border-left: 0;
  }

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

  .information__item {
    padding: 1.3rem 0;
  }

  .information__item + .information__item {
    border-left: 0;
    border-top: 1px solid rgba(196, 203, 225, 0.18);
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .site-footer nav {
    flex-wrap: wrap;
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}