:root {
  color-scheme: dark;
  --bg: #060b12;
  --panel: #0e1825;
  --panel-2: #182438;
  --line: #2c4059;
  --text: #f5f8fb;
  --muted: #b7c4d4;
  --soft: #dce7f5;
  --accent: #31d68b;
  --accent-2: #7cf7ff;
  --accent-3: #5d7dff;
  --warn: #f2b84b;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 11, 18, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 218px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-size: 20px;
  line-height: 1;
}

.brand strong span,
.hero-brand-lockup span,
.eyebrow {
  color: var(--accent);
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding: 12px 16px 12px 12px;
  border: 1px solid rgba(124, 247, 255, 0.24);
  border-radius: 8px;
  background: rgba(6, 11, 18, 0.54);
  box-shadow: 0 18px 54px rgba(49, 214, 139, 0.16);
}

.hero-brand-lockup img {
  width: 56px;
  height: 56px;
}

.hero-brand-lockup strong {
  display: block;
  font-size: 22px;
}

.hero-brand-lockup small {
  display: block;
  margin-top: 4px;
  color: var(--soft);
  font-size: 13px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  color: var(--soft);
  font-size: 14px;
}

.nav a:hover {
  color: var(--accent);
}

.header-actions,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 25, 38, 0.82);
  color: var(--soft);
}

.menu-button {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(124, 247, 255, 0.58);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #03100f;
  font-weight: 800;
  box-shadow: 0 16px 38px rgba(49, 214, 139, 0.23), inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.button--small {
  min-height: 42px;
  padding-inline: 16px;
}

.button--ghost {
  background: rgba(14, 24, 37, 0.76);
  color: var(--text);
  border-color: var(--line);
  box-shadow: none;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 132px clamp(20px, 6vw, 96px) 78px;
  overflow: hidden;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  filter: saturate(1.08) contrast(1.05);
}

.hero-overlay {
  background:
    radial-gradient(circle at 72% 25%, rgba(93, 125, 255, 0.24), transparent 30%),
    radial-gradient(circle at 18% 75%, rgba(49, 214, 139, 0.22), transparent 32%),
    linear-gradient(90deg, rgba(6, 11, 18, 0.97) 0%, rgba(6, 11, 18, 0.78) 45%, rgba(6, 11, 18, 0.42) 100%),
    linear-gradient(0deg, rgba(6, 11, 18, 0.96) 0%, rgba(6, 11, 18, 0.02) 46%);
}

.hero-content {
  position: relative;
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(52px, 8vw, 104px);
  line-height: 0.95;
  letter-spacing: 0;
  text-shadow: 0 20px 60px rgba(0, 0, 0, 0.42);
}

.hero-copy {
  max-width: 720px;
  color: var(--soft);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.5;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  background: #090f18;
}

.signal-band div {
  padding: 24px clamp(20px, 4vw, 56px);
  border-right: 1px solid var(--line);
}

.signal-band div:last-child {
  border-right: 0;
}

.signal-band strong {
  display: block;
  color: var(--text);
  font-size: 18px;
}

.signal-band span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.section {
  padding: 84px clamp(20px, 6vw, 96px);
}

.section--light {
  background: #101826;
}

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

.section-head h2,
.jarvs-copy h2,
.contact-section h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

.section-head p,
.jarvs-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

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

.solution-card,
.steps article,
.assistant-demo {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.solution-card {
  min-height: 280px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(124, 247, 255, 0.05), transparent 42%),
    var(--panel);
}

.solution-card svg {
  color: var(--accent-2);
}

.solution-card h3,
.steps h3 {
  margin: 22px 0 12px;
  font-size: 23px;
}

.solution-card p,
.steps p {
  color: var(--muted);
  line-height: 1.55;
}

.jarvs-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.8fr);
  gap: 44px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(49, 214, 139, 0.12), transparent 38%),
    linear-gradient(315deg, rgba(93, 125, 255, 0.12), transparent 34%),
    #060b12;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--soft);
}

.check-list svg {
  color: var(--accent);
}

.assistant-demo {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(124, 247, 255, 0.08), transparent 42%),
    linear-gradient(180deg, #182438, #0d1522);
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--soft);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(49, 214, 139, 0.8);
}

.demo-thread {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 0 4px;
}

.bubble {
  max-width: 82%;
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--soft);
  line-height: 1.5;
}

.bubble--bot {
  align-self: flex-start;
  background: #111d2c;
}

.bubble--user {
  align-self: flex-end;
  background: #243955;
}

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

.steps article {
  padding: 26px;
  min-height: 236px;
}

.steps span {
  color: var(--warn);
  font-weight: 900;
}

.social-section {
  background: #0b121c;
}

.social-grid {
  display: grid;
  grid-template-columns: minmax(220px, 360px);
  gap: 16px;
}

.social-grid a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--soft);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 76px clamp(20px, 6vw, 96px);
  background: linear-gradient(90deg, #102619, #101826);
}

.contact-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 6vw, 96px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #070d14;
}

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 25;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--accent);
  color: #04110b;
  box-shadow: 0 20px 45px rgba(49, 214, 139, 0.32);
}

svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    padding: 18px 24px 24px;
    flex-direction: column;
    background: rgba(9, 16, 25, 0.96);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open {
    display: flex;
  }

  .header-actions {
    justify-self: end;
  }

  .menu-button {
    display: inline-grid;
  }

  .signal-band,
  .solution-grid,
  .steps,
  .social-grid,
  .jarvs-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .jarvs-section {
    gap: 28px;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .button--small {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding: 118px 18px 52px;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .signal-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .signal-band div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 62px 18px;
  }

  .demo-thread {
    min-height: 280px;
  }

  .footer {
    flex-direction: column;
  }
}