:root {
  --ink: #101828;
  --ink-2: #243044;
  --muted: #667085;
  --line: #d9e2ec;
  --surface: #ffffff;
  --soft: #f5f7fb;
  --soft-2: #eef4f8;
  --teal: #118b88;
  --teal-dark: #0a6464;
  --blue: #4868db;
  --coral: #e86f51;
  --amber: #e4a11b;
  --green: #1f9d75;
  --red: #d84c4c;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.08);
  --shadow-md: 0 18px 45px rgba(16, 24, 40, 0.12);
  --shadow-lg: 0 28px 90px rgba(16, 24, 40, 0.18);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f7fafc 0, #ffffff 720px),
    var(--surface);
  line-height: 1.55;
}

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

img {
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(217, 226, 236, 0.82);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-size: 12px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.top-nav a:hover,
.footer-links a:hover {
  color: var(--teal-dark);
}

.header-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  font-size: 14px;
  font-weight: 750;
}

.section {
  padding: 96px 0;
}

.section-band {
  border-bottom: 1px solid var(--line);
}

.section-muted {
  background: var(--soft);
}

.section-dark {
  background: #111827;
  color: #fff;
}

.hero {
  padding: 84px 0 92px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(500px, 1.16fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-dark .eyebrow,
.demo-section .eyebrow {
  color: #86e0d4;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6.5vw, 78px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: clamp(31px, 4.6vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.25;
}

.hero-text,
.section-heading p,
.demo-card p,
.proof-copy p {
  color: var(--muted);
  font-size: 18px;
}

.section-dark p,
.demo-section p {
  color: rgba(255, 255, 255, 0.72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 16px 34px rgba(16, 24, 40, 0.22);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  border-color: var(--line);
  background: #fff;
}

.button-secondary:hover {
  border-color: #b8c6d4;
  box-shadow: var(--shadow-sm);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.hero-metrics div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-sm);
}

.hero-metrics dt {
  font-size: 17px;
  font-weight: 850;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-showcase {
  position: relative;
  min-height: 590px;
}

.product-screen {
  margin: 0;
  border: 1px solid rgba(217, 226, 236, 0.95);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.product-screen img {
  display: block;
  width: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--soft);
}

.laptop-mockup {
  position: absolute;
  right: -32px;
  bottom: 22px;
  width: min(760px, 100%);
  transform: perspective(1200px) rotateX(3deg) rotateY(-8deg) rotateZ(1deg);
  transform-origin: center;
}

.laptop-lid {
  position: relative;
  padding: 18px;
  border: 2px solid #1f2937;
  border-radius: 24px 24px 14px 14px;
  background: linear-gradient(145deg, #1f2937, #090f1f 42%, #111827);
  box-shadow: 0 38px 90px rgba(16, 24, 40, 0.28);
}

.laptop-lid::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px 18px 10px 10px;
  pointer-events: none;
}

.laptop-camera {
  position: absolute;
  top: 8px;
  left: 50%;
  z-index: 2;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4b5563;
  transform: translateX(-50%);
}

.laptop-lid img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  object-fit: cover;
  object-position: top left;
  background: #111827;
}

.laptop-base {
  position: relative;
  width: 108%;
  height: 52px;
  margin: 0 0 0 -4%;
  border-radius: 0 0 42px 42px;
  background: linear-gradient(180deg, #f8fafc, #cbd5e1 72%, #94a3b8);
  box-shadow: 0 26px 55px rgba(16, 24, 40, 0.18);
}

.laptop-base::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 160px;
  height: 12px;
  border-radius: 0 0 14px 14px;
  background: #aeb8c6;
  transform: translateX(-50%);
}

.laptop-base span {
  position: absolute;
  right: 72px;
  bottom: 10px;
  left: 72px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
}

.hero-insight {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 2px;
  width: 210px;
  padding: 16px 18px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.hero-insight span,
.hero-insight small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.hero-insight strong {
  color: var(--ink);
  font-size: 21px;
  line-height: 1.2;
}

.hero-insight.is-left {
  top: 64px;
  left: 0;
}

.hero-insight.is-right {
  top: 142px;
  right: 0;
}

.hero-insight.is-bottom {
  bottom: 52px;
  left: 82px;
  width: 240px;
  background: rgba(17, 24, 39, 0.94);
}

.hero-insight.is-bottom span,
.hero-insight.is-bottom small {
  color: rgba(255, 255, 255, 0.66);
}

.hero-insight.is-bottom strong {
  color: #fff;
}

.split,
.proof-grid,
.faq-layout,
.audience-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}

.problem-list {
  display: grid;
  gap: 12px;
}

.problem-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.problem-list p {
  margin: 0;
  font-weight: 650;
}

.item-index {
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card,
.scenario-grid article,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.feature-card {
  min-height: 224px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.feature-card p,
.scenario-grid p,
.faq-list p {
  color: var(--muted);
}

.feature-icon {
  display: grid;
  width: 50px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--soft-2);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  background: #eef1ff;
  color: var(--blue);
}

.feature-card:nth-child(4) .feature-icon,
.feature-card:nth-child(8) .feature-icon {
  background: #fff3e8;
  color: var(--coral);
}

.audience-list,
.proof-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-list span,
.proof-points span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 800;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.scenario-grid article {
  min-height: 210px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.screens-showcase {
  display: grid;
  gap: 34px;
  width: min(1680px, calc(100vw - 32px));
  margin-left: 50%;
  transform: translateX(-50%);
}

.product-screen {
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.product-screen img {
  width: 100%;
  height: auto;
  max-height: none;
  background: var(--soft);
}

.product-screen figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px 22px;
}

.product-screen figcaption strong {
  color: var(--ink);
  flex: 0 0 auto;
  font-size: 22px;
}

.product-screen figcaption span {
  max-width: 680px;
  text-align: right;
  font-size: 15px;
}

.demo-section {
  background:
    linear-gradient(110deg, rgba(17, 24, 39, 0.96), rgba(10, 100, 100, 0.92)),
    #111827;
  color: #fff;
}

.demo-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.demo-card h2 {
  max-width: 780px;
}

.demo-card p {
  max-width: 700px;
}

.demo-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.demo-card .button-primary {
  flex: 0 0 auto;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}

.demo-card .button-primary:hover {
  background: #eef4f8;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 12px 0 0;
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 1080px) {
  .site-header {
    padding: 0 20px;
  }

  .top-nav {
    display: none;
  }

  .hero-grid,
  .split,
  .proof-grid,
  .faq-layout,
  .audience-layout {
    grid-template-columns: 1fr;
  }

  .hero-showcase {
    min-height: 580px;
  }

  .feature-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-heading.compact {
    margin-bottom: 28px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1200px);
  }

  .site-header {
    min-height: 68px;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .section {
    padding: 62px 0;
  }

  h1 {
    font-size: 42px;
  }

  .hero-text,
  .section-heading p,
  .demo-card p,
  .proof-copy p {
    font-size: 16px;
  }

  .hero-metrics,
  .feature-grid,
  .scenario-grid,
  .hero-showcase {
    display: grid;
    gap: 14px;
    min-height: 0;
  }

  .screens-showcase {
    width: min(100vw - 16px, 1680px);
    gap: 22px;
  }

  .laptop-mockup,
  .hero-insight {
    position: static;
    width: 100%;
    transform: none;
  }

  .hero-insight {
    margin-top: 10px;
  }

  .laptop-lid {
    padding: 10px;
    border-radius: 16px 16px 10px 10px;
  }

  .laptop-base {
    height: 34px;
  }

  .product-screen figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .product-screen figcaption span {
    text-align: left;
  }

  .problem-list article {
    grid-template-columns: 42px 1fr;
  }

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

  .demo-card {
    align-items: flex-start;
    flex-direction: column;
  }
}
