:root {
  --bg: #08111f;
  --bg-deep: #060d18;
  --surface: #0d1829;
  --surface-2: #112137;
  --surface-3: #132844;
  --line: rgba(165, 193, 231, 0.16);
  --line-strong: rgba(165, 193, 231, 0.28);
  --text: #f4f8ff;
  --muted: #b4c3da;
  --accent: #78a8ff;
  --accent-soft: #b9d4ff;
  --hero-gutter: clamp(10px, 1vw, 18px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(120, 168, 255, 0.12), transparent 20%),
    radial-gradient(circle at 100% 20%, rgba(63, 98, 168, 0.16), transparent 24%),
    linear-gradient(180deg, #091220 0%, var(--bg) 36%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: "Manrope", sans-serif;
  line-height: 1.5;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  z-index: 1000;
}

.concept-shell {
  width: min(1520px, calc(100vw - 72px));
  margin: 0 auto;
}

.landing-site-header {
  position: sticky;
  top: 0;
  z-index: 1200;
  padding: 14px 0 12px;
  background: linear-gradient(180deg, rgba(8, 17, 31, 0.92), rgba(8, 17, 31, 0.72));
  backdrop-filter: blur(12px) saturate(120%);
}

.landing-site-header.scrolled {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.landing-nav-shell {
  width: min(1640px, calc(100vw - 64px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 62px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text);
}

.landing-logo {
  width: 24px;
  height: 24px;
}

.landing-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(17, 33, 55, 0.68);
  color: var(--text);
  cursor: pointer;
}

.landing-nav-toggle svg {
  width: 22px;
  height: 22px;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.landing-nav-list {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.landing-nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  white-space: nowrap;
  transition: background 140ms ease, color 140ms ease;
}

.landing-nav-list a:hover,
.landing-nav-list a.active {
  color: var(--text);
  background: rgba(19, 40, 68, 0.74);
}

.landing-nav-cta {
  display: flex;
  align-items: center;
}

.landing-demo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  white-space: nowrap;
  color: #f7fbff;
  background: linear-gradient(180deg, #78a8ff, #4d7ed7);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.landing-demo-link:hover {
  filter: brightness(1.06);
}

.hero-block {
  padding: 4px 0 28px;
}

.hero-media {
  position: relative;
  width: calc(100vw - (var(--hero-gutter) * 2));
  min-height: 80vh;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 22px;
  background: #05090f;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 8, 16, 0) 0%, rgba(4, 8, 16, 0) 100%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  min-height: 80vh;
  display: flex;
  align-items: flex-end;
  padding: 0 0 38px 58px;
}

.hero-copy h1 {
  max-width: 14ch;
  margin: 0;
  color: #f6f9ff;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.35rem, 3.35vw, 3.55rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-shadow:
    1px 1px 5px rgba(0, 0, 0, 0.4),
    0 0 4px rgba(0, 0, 0, 0.4);
}

.hero-copy h1 span {
  display: block;
  white-space: nowrap;
}

.pitch-section {
  padding: 18px 0 0;
}

.section-frame {
  padding: 34px 0 38px;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 1020px;
  margin-bottom: 28px;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--accent-soft);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 3.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  max-width: 15ch;
}

.section-subhead {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.problem-item,
.audience-card,
.next-step-item {
  padding: 22px 22px 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 33, 55, 0.82), rgba(10, 20, 35, 0.92));
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.2);
}

.media-placeholder,
.mini-media-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  font-weight: 800;
  border: 1px dashed var(--line-strong);
  background:
    linear-gradient(180deg, rgba(19, 40, 68, 0.42), rgba(11, 24, 42, 0.58));
}

.large-media-placeholder {
  min-height: 240px;
  border-radius: 18px;
}

.solution-showcase-image {
  width: 100%;
  min-height: 240px;
  border: 1px solid var(--line);
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.2);
}

.mini-media-placeholder {
  width: 88px;
  height: 72px;
  margin-bottom: 18px;
  border-radius: 14px;
}

.audience-icon-frame {
  display: grid;
  place-items: center;
  width: 88px;
  height: 72px;
  margin-bottom: 18px;
  padding: 10px;
  border: 0px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, hsl(0, 0%, 100%), rgba(212, 212, 220, 0.58));
}

.audience-icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: translateY(-8px);
}

.problem-item h3,
.audience-card h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.1;
}

.problem-item p,
.audience-card p,
.signal-list p,
.next-step-item p,
.solution-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 30px;
  align-items: start;
}

.solution-main {
  display: grid;
  gap: 28px;
}

.solution-heading {
  margin-bottom: 0;
}

.solution-copy {
  display: grid;
  gap: 18px;
}

.solution-side {
  display: grid;
  gap: 18px;
}

.signal-list {
  display: grid;
  gap: 14px;
}

.signal-list div {
  padding: 18px 18px 20px;
  border-left: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(19, 40, 68, 0.66), rgba(11, 24, 42, 0.66));
}

.signal-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.02rem;
}

.audience-grid,
.next-step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.next-step-item {
  display: grid;
  gap: 10px;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.next-step-item span {
  color: var(--accent-soft);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.next-step-item strong {
  font-size: 1.18rem;
  line-height: 1.08;
}

.next-step-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(20, 39, 64, 0.9), rgba(11, 23, 39, 0.96));
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--accent-soft);
  font-size: 0.95rem;
  font-weight: 700;
}

.section-link::after {
  content: "\2192";
  font-size: 1rem;
}

.final-section {
  padding-bottom: 44px;
}

.container {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 20px;
}

.site-footer {
  padding: 28px 0 40px;
  background: #0a0f1f;
  border-top: 1px solid var(--line);
}

.footer-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
}

.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.foot-brand .logo-img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.foot-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.foot-links {
  display: inline-flex;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.foot-social {
  display: inline-flex;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.foot-links a {
  padding: 6px 8px;
  border-radius: 8px;
}

.foot-social a {
  padding: 6px 8px;
  border-radius: 8px;
}

.foot-links a:hover {
  color: var(--text);
  background: #0d1530;
}

.foot-social a:hover {
  color: var(--text);
  background: #0d1530;
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1100px) {
  .concept-shell {
    width: min(1520px, calc(100vw - 40px));
  }

  .landing-nav-shell {
    width: min(1640px, calc(100vw - 40px));
  }

  .hero-media,
  .hero-copy {
    min-height: 70vh;
  }

  .hero-copy {
    padding: 0 0 28px 30px;
  }

  .hero-copy h1 {
    font-size: clamp(2.2rem, 4.35vw, 3rem);
  }

  .problem-grid,
  .audience-grid,
  .next-step-grid,
  .solution-layout {
    grid-template-columns: 1fr;
  }

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

  .foot-nav {
    justify-content: center;
    gap: 12px 18px;
  }

  .foot-links {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
  }

  .foot-social {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
  }

  .foot-links a,
  .foot-social a {
    white-space: normal;
  }
}

@media (max-width: 760px) {
  .concept-shell {
    width: min(1520px, calc(100vw - 24px));
  }

  .landing-nav-shell {
    position: relative;
    width: calc(100vw - 20px);
  }

  .landing-nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .landing-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 6px);
    display: grid;
    gap: 14px;
    padding: 14px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(9, 19, 34, 0.98), rgba(7, 15, 28, 0.98));
    box-shadow: 0 20px 34px rgba(0, 0, 0, 0.32);
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    transition: transform 160ms ease, opacity 160ms ease;
  }

  .landing-nav[data-open="true"] {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .landing-nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .landing-nav-list a {
    min-height: 44px;
    justify-content: flex-start;
    border-radius: 12px;
  }

  .landing-nav-cta {
    justify-content: stretch;
  }

  .landing-demo-link {
    width: 100%;
    min-height: 46px;
  }

  .hero-media,
  .hero-copy {
    min-height: 58vh;
  }

  .hero-media {
    width: calc(100vw - 16px);
    border-radius: 16px;
  }

  .hero-copy {
    padding: 0 16px 16px;
  }

  .hero-copy h1 {
    max-width: 10.5ch;
    font-size: clamp(1.85rem, 7vw, 2.45rem);
    line-height: 1.02;
    text-wrap: balance;
  }

  .hero-copy h1 span {
    white-space: normal;
  }

  .hero-media img {
    object-position: center center;
  }

  .section-frame {
    padding: 28px 0 30px;
  }

  .problem-item,
  .audience-card,
  .next-step-item {
    padding: 18px;
  }
}