:root {
  --bg: #050505;
  --bg-soft: #0d0d0d;
  --surface: #121212;
  --line: rgba(255, 255, 255, 0.14);
  --text: #f4f7f5;
  --muted: #b7c1bc;
  --brand-green: #19ff79;
  --brand-blue: #30c4ff;
  --radius: 18px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --header-height: 82px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(25, 255, 121, 0.1), transparent 35%),
    radial-gradient(circle at 90% 10%, rgba(48, 196, 255, 0.14), transparent 32%),
    var(--bg);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

section {
  scroll-margin-top: 100px;
}

.container {
  width: min(1160px, calc(100% - 2.6rem));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
}

.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-green);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

p {
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.9rem 1.35rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

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

.btn-primary {
  color: #041108;
  background: linear-gradient(135deg, var(--brand-green), #8dffbd);
  box-shadow: 0 8px 24px rgba(25, 255, 121, 0.25);
}

.btn-secondary {
  color: #021018;
  background: linear-gradient(135deg, var(--brand-blue), #90e2ff);
  box-shadow: 0 8px 24px rgba(48, 196, 255, 0.25);
}

.btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.68rem;
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(25, 255, 121, 0.14), rgba(48, 196, 255, 0.2));
}

.header-panel {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.main-nav a {
  position: relative;
  color: #e6ece8;
  font-weight: 600;
  font-size: 0.93rem;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: linear-gradient(90deg, var(--brand-green), var(--brand-blue));
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0f0f0f;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  margin: 4px auto;
  display: block;
  background: #ecf0ee;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.site-header.is-open .menu-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.is-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

main {
  padding-top: 0;
}

.hero {
  height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + clamp(1.1rem, 3vh, 2.2rem)) 0 clamp(1.1rem, 3vh, 2rem);
}

.hero .container {
  width: min(1860px, calc(100% - 3.2rem));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(540px, 0.9fr) minmax(240px, 1fr);
  align-items: center;
  gap: clamp(0.7rem, 1.5vw, 1.5rem);
}

.hero-copy {
  text-align: center;
  max-width: 46rem;
  margin-inline: auto;
}

.hero-copy h1 {
  font-size: clamp(2rem, 3.35vw, 3.35rem);
  max-width: 17ch;
  margin-inline: auto;
}

.lead {
  margin-top: 1.1rem;
  margin-inline: auto;
  color: var(--muted);
  max-width: 50ch;
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.notebook {
  margin: 0;
  position: relative;
  width: 100%;
  max-width: clamp(500px, 36vw, 760px);
  transform-style: preserve-3d;
}

.notebook::after {
  content: "";
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: 0.7rem;
  height: clamp(22px, 3.1vw, 34px);
  border-radius: 999px;
  background: radial-gradient(circle at 50% 35%, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0));
  filter: blur(7px);
  opacity: 0.82;
  z-index: -1;
}

.notebook-zelo {
  justify-self: start;
}

.notebook-worbox {
  justify-self: end;
}

.device-mockup {
  position: relative;
  width: 100%;
  aspect-ratio: 4340 / 2860;
  transform-style: preserve-3d;
  transition: transform 0.35s ease, filter 0.35s ease, translate 0.35s ease;
}

.device-screen {
  position: absolute;
  inset: 13.25% 10.2% 11.05%;
  width: calc(100% - 20.4%);
  height: calc(100% - 24.3%);
  object-fit: cover;
  border-radius: 8px;
  z-index: 1;
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.45),
    0 15px 30px rgba(0, 0, 0, 0.35);
}

.device-frame {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.28));
  z-index: 2;
}

.notebook-zelo .device-mockup {
  transform: translateX(-14%) rotateY(16deg) rotateX(4deg) rotateZ(-0.65deg);
  transform-origin: center center;
}

.notebook-worbox .device-mockup {
  transform: translateX(14%) rotateY(-16deg) rotateX(4deg) rotateZ(0.65deg);
  transform-origin: center center;
}

.notebook:hover .device-mockup {
  filter: brightness(1.04);
  translate: 0 -2px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(1.2rem, 3.5vw, 3rem);
  align-items: center;
}

.product-section-alt .product-grid {
  grid-template-columns: 0.92fr 1.08fr;
}

.product-copy h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.55rem);
  margin-bottom: 1rem;
}

.product-copy p {
  color: var(--muted);
  margin-bottom: 1rem;
  max-width: 58ch;
}

.feature-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 2vw, 1.8rem);
  box-shadow: var(--shadow);
}

.feature-box h3 {
  font-size: 1.2rem;
  margin-bottom: 1.1rem;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.72rem;
}

.feature-list li {
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 0.78rem 0.9rem;
  font-weight: 600;
}

.company-card,
.cta-card {
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.05));
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.company-card h2,
.cta-card h2 {
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  margin-bottom: 0.85rem;
}

.company-card p:last-child,
.cta-card p {
  color: var(--muted);
  max-width: 66ch;
}

.cta-actions {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.3rem 0 1.6rem;
  background: #030303;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr;
  gap: 1.4rem;
}

.footer-brand {
  margin-bottom: 0.85rem;
}

.footer-text,
.footer-links a {
  color: #d3ddd8;
}

.footer-text a:hover,
.footer-links a:hover {
  text-decoration: underline;
}

.footer-title {
  margin-bottom: 0.7rem;
  font-weight: 700;
  color: #fff;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.social-links {
  display: flex;
  gap: 0.62rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f0f0f;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.social-links a:hover {
  transform: translateY(-2px);
  border-color: rgba(48, 196, 255, 0.7);
}

.social-links img {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  margin-top: 1.45rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  color: #99a6a0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 980px) {
  .product-grid,
  .product-section-alt .product-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    height: auto;
    min-height: 100svh;
    min-height: 100dvh;
  }

  .hero .container {
    width: min(100%, calc(100% - 1.6rem));
  }

  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "center center"
      "left right";
    gap: 1.15rem;
  }

  .hero-copy {
    grid-area: center;
    max-width: 52rem;
  }

  .hero-copy h1 {
    max-width: 100%;
  }

  .notebook-zelo {
    grid-area: left;
  }

  .notebook-worbox {
    grid-area: right;
  }

  .notebook {
    justify-self: center;
    max-width: min(100%, 560px);
  }

  .notebook-zelo .device-mockup {
    transform: translateX(-4%) rotateY(11deg) rotateX(3deg) rotateZ(-0.4deg);
  }

  .notebook-worbox .device-mockup {
    transform: translateX(4%) rotateY(-11deg) rotateX(3deg) rotateZ(0.4deg);
  }
}

@media (min-width: 1600px) {
  .hero-grid {
    grid-template-columns: minmax(260px, 1fr) minmax(580px, 0.9fr) minmax(260px, 1fr);
  }

  .notebook {
    max-width: clamp(600px, 38vw, 860px);
  }

  .notebook-zelo .device-mockup {
    transform: translateX(-18%) rotateY(16deg) rotateX(4deg) rotateZ(-0.65deg);
  }

  .notebook-worbox .device-mockup {
    transform: translateX(18%) rotateY(-16deg) rotateX(4deg) rotateZ(0.65deg);
  }
}

@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "center"
      "left"
      "right";
    gap: 1rem;
  }

  .notebook {
    max-width: min(100%, 470px);
  }

  .notebook-zelo .device-mockup,
  .notebook-worbox .device-mockup {
    transform: none;
  }

  .hero-copy {
    max-width: 100%;
  }

  .lead {
    max-width: 100%;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .header-panel {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 1.3rem;
    right: 1.3rem;
    padding: 0.95rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(12, 12, 12, 0.97);
    box-shadow: var(--shadow);
    display: grid;
    gap: 0.85rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

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

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .main-nav a {
    font-size: 1rem;
  }

  .header-cta {
    width: 100%;
  }
}

@media (max-width: 580px) {
  .container {
    width: min(100%, calc(100% - 1.5rem));
  }

  .section {
    padding: 3.6rem 0;
  }

  .btn {
    width: 100%;
  }

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

  .hero {
    padding-top: calc(var(--header-height) + 0.85rem);
    padding-bottom: 1rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}