* {
  box-sizing: border-box;
}

:root {
  --ghost: #050007;
  --ghost-2: #100014;
  --ghost-3: #210024;

  --solar: #ff6a00;
  --solar-hot: #ff2a00;
  --solar-soft: rgba(255, 106, 0, 0.18);

  --cream: #fff4ea;
  --cream-2: #f7eadf;

  --ink: #fff7ef;
  --muted-light: rgba(255, 247, 239, 0.72);

  --text-dark: #140713;
  --text-muted: #6c565f;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0b0b;
  color: white;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  text-align: center;
  background: #111;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.55;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 1;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 3;
  padding: 36px 48px 0;
}

.brand {
  display: block;
  margin: 0 auto 24px;
  color: white;
  text-decoration: none;
  font-size: 42px;
  line-height: 1;
  font-weight: 500;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(32px, 7vw, 110px);
}

.nav a {
  position: relative;
  color: white;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.92;
}

.nav a:hover {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 580px;
  display: flex;
  flex-direction: column;
}

.title {
  margin: 0 0 10px;
  font-size: clamp(48px, 5.5vw, 52px);
  line-height: 1.02;
  font-weight: 550;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 0 0 52px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
  font-weight: 400;
}

form {
  width: min(100%, 560px);
  margin: 0 auto;
  display: flex;
  border: 2px solid rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
}

input {
  flex: 1;
  height: 58px;
  min-width: 0;
  padding: 0 18px;
  border: 0;
  background: transparent;
  color: white;
  font-size: 16px;
  outline: none;
}

input::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

button {
  height: 58px;
  padding: 0 26px;
  border: 0;
  border-left: 2px solid rgba(255, 255, 255, 0.9);
  background: transparent;
  color: white;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
}

button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.message {
  margin-top: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  transition: opacity 180ms ease;
}

.message:not(:empty) {
  margin-top: 16px;
  height: auto;
  min-height: 22px;
  opacity: 1;
}

.feature-wrap {
  background: white;
  color: #0a0a0a;
  padding: 72px 5vw 72px;
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1440px;
  min-height: 660px;
  margin: 0 auto 40px;
  background: #f4f4f4;
}

.feature-image {
  min-height: 660px;
  background-color: #050505;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.image-suction {
  background-image: url("suction.jpg");
}

.image-endurance {
  background-image: url("endurance.jpg");
}

.image-control {
  background-image: url("control.jpg");
}

.feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(48px, 8vw, 150px);
  background: #f4f4f4;
}

.feature-copy h2 {
  margin: 0 0 24px;
  max-width: 520px;
  font-size: clamp(32px, 3vw, 48px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.feature-copy p {
  margin: 0 0 38px;
  max-width: 520px;
  color: #626262;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.5;
  font-weight: 500;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 270px;
  min-height: 56px;
  padding: 0 28px;
  border: 2px solid #111;
  color: #111;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.coming-soon:hover {
  background: #111;
  color: white;
}

.about-section {
  max-width: 1440px;
  min-height: 620px;
  margin: 0 auto 40px;
  padding: clamp(56px, 10vw, 150px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 8vw, 140px);
  align-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.035) 0 12px, transparent 13px),
    radial-gradient(circle at 80% 60%, rgba(0, 0, 0, 0.035) 0 12px, transparent 13px),
    #f7f7f7;
  background-size: 120px 120px;
  color: #111;
}

.about-kicker {
  margin: 0 0 32px;
  color: #777;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.about-section h2 {
  margin: 0;
  max-width: 460px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.about-section p {
  margin: 0 0 36px;
  max-width: 560px;
  color: #626262;
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.55;
  font-weight: 500;
}

.footer {
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 106, 0, 0.16), transparent 34%),
    linear-gradient(135deg, var(--ghost) 0%, var(--ghost-2) 54%, var(--ghost-3) 100%);
  color: var(--solar);
  padding: 64px 5vw 40px;
  box-shadow: inset 0 1px 0 rgba(255, 106, 0, 0.18);
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  margin: 0 0 16px;
  font-size: 34px;
  line-height: 1;
  font-weight: 500;
}

.footer p {
  display: none;
  margin: 0;
  max-width: 440px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 16px;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  color: white;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.72;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--solar-hot);
  text-shadow: 0 0 18px rgba(255, 106, 0, 0.75);
}

.footer-bottom {
  max-width: 1440px;
  margin: 56px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 106, 0, 0.2);
  color: rgba(255, 106, 0, 0.58);
  font-size: 13px;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-left: 0;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle:hover {
  background: transparent;
}

.mobile-menu-toggle svg {
  width: 32px;
  height: 32px;
  fill: var(--solar);
  filter: drop-shadow(0 0 10px rgba(255, 106, 0, 0.55));
}

.mobile-menu-toggle .icon-close {
  display: none;
}

.site-header.is-menu-open .mobile-menu-toggle .icon-menu,
.sticky-site-header.is-menu-open .mobile-menu-toggle .icon-menu {
  display: none;
}

.site-header.is-menu-open .mobile-menu-toggle .icon-close,
.sticky-site-header.is-menu-open .mobile-menu-toggle .icon-close {
  display: block;
}

.sticky-site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 82px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 106, 0, 0.13), transparent 42%),
    rgba(16, 0, 20, 0.96);
  backdrop-filter: blur(14px);
  box-shadow:
    0 10px 34px rgba(0, 0, 0, 0.34),
    0 0 28px rgba(255, 106, 0, 0.12);
  border-bottom: 1px solid rgba(255, 106, 0, 0.22);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 420ms ease, opacity 420ms ease;
}

.sticky-site-header.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-nav {
  width: 100%;
  height: 100%;
  padding: 0 clamp(28px, 5vw, 84px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
}

.sticky-brand,
.sticky-link {
  color: var(--solar);
  text-decoration: none;
  white-space: nowrap;
  text-shadow: 0 0 14px rgba(255, 106, 0, 0.44);
}

.sticky-brand {
  grid-column: 3;
  justify-self: center;
  font-size: 32px;
  line-height: 1;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-8px);
}

.sticky-link {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-8px);
}

.sticky-outer-left {
  grid-column: 1;
  justify-self: center;
}

.sticky-inner-left {
  grid-column: 2;
  justify-self: center;
}

.sticky-inner-right {
  grid-column: 4;
  justify-self: center;
}

.sticky-outer-right {
  grid-column: 5;
  justify-self: center;
}

.sticky-site-header.is-visible .sticky-brand {
  animation: stickyFadeIn 360ms ease forwards;
  animation-delay: 80ms;
}

.sticky-site-header.is-visible .sticky-link {
  animation: stickyFadeIn 360ms ease forwards;
  animation-delay: 160ms;
}

.sticky-link:hover,
.sticky-brand:hover {
  opacity: 1;
  color: var(--solar-hot);
  text-shadow: 0 0 18px rgba(255, 106, 0, 0.78);
}

@keyframes stickyFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .feature-wrap {
    padding: 40px 20px 20px;
  }

  .feature,
  .about-section {
    grid-template-columns: 1fr;
  }

  .feature-image {
    min-height: 520px;
  }

  .feature-copy {
    padding: 52px 32px;
  }

  .feature.reverse .feature-image {
    order: 1;
  }

  .feature.reverse .feature-copy {
    order: 2;
  }

  .about-section {
    padding: 64px 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 28px 24px 0;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .brand {
    margin: 0;
    justify-self: start;
    font-size: 32px;
  }

  .site-header .mobile-menu-toggle {
    display: flex;
    justify-self: end;
  }

  .site-header .nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 18px;
    padding: 18px 0 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .site-header.is-menu-open {
    background:
      radial-gradient(circle at 90% 0%, rgba(255, 106, 0, 0.16), transparent 38%),
      rgba(16, 0, 20, 0.96);
    backdrop-filter: blur(14px);
    box-shadow:
      0 18px 44px rgba(0, 0, 0, 0.38),
      0 0 26px rgba(255, 106, 0, 0.14);
    border-bottom: 1px solid rgba(255, 106, 0, 0.2);
    padding: 28px 24px 30px;
  }

  .site-header.is-menu-open .nav {
    display: flex;
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 28px;
    padding: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    }

   .site-header.is-menu-open .nav a {
      color: var(--solar);
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.24em;
      text-decoration: none;
      text-transform: uppercase;
      opacity: 1;
      text-shadow: 0 0 14px rgba(255, 106, 0, 0.5);
    }

  .site-header .nav a {
    font-size: 13px;
    letter-spacing: 0.22em;
  }

  .site-header .nav a::after {
    display: none;
  }

  form {
    flex-direction: column;
  }

  button {
    width: 100%;
    border-left: 0;
    border-top: 2px solid rgba(255, 255, 255, 0.9);
    font-size: 20px;
  }

  input {
    height: 70px;
    font-size: 20px;
    flex: none;
  }

  .sticky-site-header {
    height: auto;
    min-height: 68px;
    align-items: flex-start;
  }

  .sticky-nav {
    width: 100%;
    min-height: 68px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 68px;
    align-items: center;
  }

  .sticky-brand {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    font-size: 28px;
    opacity: 1;
    transform: none;
    animation: none;
  }

  .sticky-mobile-toggle {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .sticky-link {
    display: none;
    grid-column: 1 / -1;
    justify-self: start;
    font-size: 13px;
    letter-spacing: 0.22em;
    opacity: 1;
    transform: none;
    animation: none;
  }

  .sticky-site-header.is-visible .sticky-brand,
  .sticky-site-header.is-visible .sticky-link {
    animation: none;
  }

  .sticky-site-header.is-menu-open .sticky-nav {
    grid-template-rows: 68px repeat(4, auto);
    padding-bottom: 22px;
  }

  .sticky-site-header.is-menu-open .sticky-link {
    display: block;
    padding: 10px 0;
  }

  .sticky-site-header.is-menu-open .sticky-outer-left {
    grid-row: 2;
  }

  .sticky-site-header.is-menu-open .sticky-inner-left {
    grid-row: 3;
  }

  .sticky-site-header.is-menu-open .sticky-inner-right {
    grid-row: 4;
  }

  .sticky-site-header.is-menu-open .sticky-outer-right {
    grid-row: 5;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 120px;
  }

  .title {
    font-size: clamp(40px, 12vw, 52px);
  }

  .feature-image {
    min-height: 420px;
  }

  .coming-soon {
    width: 100%;
    min-width: 0;
  }
}

.mobile-menu-toggle svg {
  fill: var(--solar);
  filter: none;
}

.footer {
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 106, 0, 0.06), transparent 34%),
    linear-gradient(135deg, var(--ghost) 0%, var(--ghost-2) 54%, var(--ghost-3) 100%);
  color: var(--solar);
  box-shadow: none;
}

.footer-links a {
  color: var(--solar);
  opacity: 0.8;
  text-shadow: none;
}

.footer-links a:hover {
  color: var(--solar-hot);
  opacity: 1;
  text-shadow: none;
}

.footer-bottom {
  border-top-color: rgba(255, 106, 0, 0.16);
  color: rgba(255, 106, 0, 0.52);
}

.sticky-site-header {
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 106, 0, 0.05), transparent 42%),
    rgba(16, 0, 20, 0.96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
  border-bottom: 1px solid rgba(255, 106, 0, 0.14);
}

.sticky-brand,
.sticky-link {
  color: var(--solar);
  text-shadow: none;
}

.sticky-link:hover,
.sticky-brand:hover {
  color: var(--solar-hot);
  opacity: 1;
  text-shadow: none;
}

@media (max-width: 720px) {
  .site-header.is-menu-open {
    background:
      radial-gradient(circle at 90% 0%, rgba(255, 106, 0, 0.06), transparent 38%),
      rgba(16, 0, 20, 0.96);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.34);
    border-bottom: 1px solid rgba(255, 106, 0, 0.14);
  }

  .site-header.is-menu-open .nav a {
    color: var(--solar);
    text-shadow: none;
  }
}

.page-header {
  position: relative;
  z-index: 10;
  background: rgba(16, 0, 20, 0.96);
  border-bottom: 1px solid rgba(255, 106, 0, 0.14);
}

.page-nav {
  width: 100%;
  min-height: 92px;
  padding: 0 clamp(28px, 5vw, 84px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
}

.page-brand,
.page-link {
  color: var(--solar);
  text-decoration: none;
  white-space: nowrap;
}

.page-brand {
  grid-column: 3;
  justify-self: center;
  font-size: 32px;
  line-height: 1;
  font-weight: 500;
}

.page-link {
  justify-self: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.82;
}

.page-link:hover,
.page-brand:hover {
  opacity: 1;
  color: var(--solar-hot);
}

.page-empty {
  min-height: 70vh;
  background: white;
}

.page-mobile-toggle {
  display: none;
}

@media (max-width: 720px) {
  .page-nav {
    min-height: 68px;
    padding: 0 24px;
    grid-template-columns: 1fr auto;
    grid-template-rows: 68px;
  }

  .page-brand {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    font-size: 28px;
  }

  .page-mobile-toggle {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .page-link {
    display: none;
    grid-column: 1 / -1;
    justify-self: start;
    font-size: 13px;
    letter-spacing: 0.22em;
  }

  .page-header.is-menu-open .page-nav {
    grid-template-rows: 68px repeat(4, auto);
    padding-bottom: 22px;
  }

  .page-header.is-menu-open .page-link {
    display: block;
    padding: 10px 0;
  }
}

.footer {
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 106, 0, 0.05), transparent 34%),
    linear-gradient(135deg, #08000b 0%, #16001c 54%, #26002e 100%);
}

.sticky-site-header {
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 106, 0, 0.045), transparent 42%),
    rgba(20, 0, 26, 0.96);
}

.page-header {
  background: rgba(20, 0, 26, 0.96);
}

@media (max-width: 720px) {
  .site-header.is-menu-open {
    background:
      radial-gradient(circle at 90% 0%, rgba(255, 106, 0, 0.05), transparent 38%),
      rgba(20, 0, 26, 0.96);
  }

  .page-header.is-menu-open {
    background: rgba(20, 0, 26, 0.96);
  }
}