:root {
  --bg: #06101f;
  --bg-soft: #0a172a;
  --surface: rgba(255, 255, 255, 0.075);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f6f9ff;
  --muted: #b8c4d6;
  --muted-strong: #d7dfec;
  --accent: #50d9ff;
  --accent-warm: #f3c86a;
  --green: #75d06b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(145deg, #040910 0%, var(--bg) 48%, #081827 100%);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(6, 16, 31, 0.72);
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  border-bottom-color: var(--line);
}

.nav,
.section-shell,
.site-footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0;
}

.logo::after {
  content: "+";
  color: var(--accent);
  margin-left: 1px;
}

.logo img {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(80, 217, 255, 0.26);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 24px rgba(80, 217, 255, 0.18);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-menu a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 180ms ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 78px 0 86px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.hero-subtitle {
  max-width: 660px;
  margin-bottom: 18px;
  color: var(--muted-strong);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 650;
}

.hero-copy,
.about-text,
.cta-content p,
.category-card p,
.featured-product p {
  color: var(--muted);
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 34px;
  font-size: 1.05rem;
}

.hero-actions,
.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  color: #04101e;
  background: linear-gradient(135deg, var(--accent), #9beeff);
  box-shadow: 0 14px 36px rgba(80, 217, 255, 0.24);
}

.button-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(80, 217, 255, 0.52);
  background: rgba(80, 217, 255, 0.08);
}

.hero-panel,
.cta-content,
.category-card,
.product-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.045));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  padding: 34px;
  border-radius: var(--radius);
}

.brand-mark {
  position: relative;
  display: block;
  width: min(220px, 62%);
  aspect-ratio: 1;
  margin: 0 auto 28px;
  border: 1px solid rgba(80, 217, 255, 0.24);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36), 0 0 42px rgba(80, 217, 255, 0.16);
}

.panel-label {
  position: relative;
  display: inline-flex;
  margin-bottom: 34px;
  padding: 8px 12px;
  border: 1px solid rgba(243, 200, 106, 0.34);
  border-radius: 999px;
  color: var(--accent-warm);
  background: rgba(243, 200, 106, 0.08);
  font-size: 0.8rem;
  font-weight: 800;
}

.hero-panel h2 {
  position: relative;
  max-width: 390px;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

.panel-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 28px;
}

.panel-grid span {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.055);
  font-weight: 700;
}

.featured-product,
.about,
.categories,
.cta {
  padding: 74px 0;
}

.featured-product {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: 44px;
  align-items: center;
}

.product-copy p {
  max-width: 660px;
  margin-bottom: 28px;
  font-size: 1.08rem;
}

.product-card {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(117, 208, 107, 0.48);
}

.product-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 18px;
  object-fit: cover;
}

.product-card div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted-strong);
  font-weight: 800;
}

.product-card strong {
  color: var(--accent-warm);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 52px;
  align-items: start;
}

.about-text {
  margin-bottom: 0;
  padding-top: 34px;
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.category-card {
  min-height: 250px;
  padding: 24px;
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(80, 217, 255, 0.36);
  background: linear-gradient(180deg, rgba(80, 217, 255, 0.12), rgba(255, 255, 255, 0.05));
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border: 1px solid rgba(80, 217, 255, 0.32);
  border-radius: 14px;
  color: var(--accent);
  background: rgba(80, 217, 255, 0.08);
  font-size: 0.9rem;
  font-weight: 900;
}

.category-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.cta {
  padding-bottom: 102px;
}

.cta-content {
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(30px, 6vw, 64px);
  border-radius: var(--radius);
  text-align: center;
}

.cta-content p {
  max-width: 670px;
  margin: 0 auto 30px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 8px 0 0;
}

.footer-contact {
  display: grid;
  gap: 4px;
  text-align: right;
}

.footer-contact a {
  color: var(--muted-strong);
  font-weight: 700;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero,
  .about,
  .featured-product {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 66px;
  }

  .about-text {
    padding-top: 0;
  }

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

@media (max-width: 720px) {
  .nav,
  .section-shell,
  .site-footer {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    inset: 76px 14px auto;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(6, 16, 31, 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu a {
    display: block;
    padding: 13px 12px;
    border-radius: 12px;
  }

  .nav-menu a:hover,
  .nav-menu a:focus-visible {
    background: rgba(255, 255, 255, 0.07);
  }

  .hero {
    gap: 30px;
    padding: 48px 0 58px;
  }

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

  .hero-panel {
    min-height: 360px;
    padding: 26px;
  }

  .panel-label {
    margin-bottom: 26px;
  }

  .featured-product,
  .about,
  .categories,
  .cta {
    padding: 54px 0;
  }

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

  .category-card {
    min-height: auto;
  }

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

  .footer-contact {
    text-align: left;
  }
}

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

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