:root {
  --tech-bg: #07120f;
  --tech-panel: #0d201a;
  --tech-cyan: #52e8d1;
  --tech-lime: #c8f04d;
  --tech-line: rgba(94, 231, 207, 0.18);
}

body {
  background: #f7faf8;
}

.topbar {
  height: 76px;
  background: rgba(7, 18, 15, 0.92);
  border-bottom-color: rgba(82, 232, 209, 0.18);
  backdrop-filter: blur(18px);
  color: #fff;
}

.topbar nav,
.topbar nav a {
  color: rgba(255, 255, 255, 0.68);
}

.topbar nav a:hover {
  color: var(--tech-cyan);
}

.topbar .brand-mark {
  background: var(--tech-lime);
  color: #07120f;
  box-shadow: 0 0 24px rgba(200, 240, 77, 0.28);
}

.topbar .brand b {
  color: var(--tech-cyan);
}

.topbar .btn.ghost {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
}

.topbar .btn.primary {
  color: #07120f;
  background: var(--tech-lime);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 720px;
  color: #fff;
  background:
    radial-gradient(circle at 78% 42%, rgba(82, 232, 209, 0.13), transparent 27%),
    linear-gradient(120deg, #07120f 0%, #0a1814 58%, #07110f 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.42;
  background-image:
    linear-gradient(var(--tech-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--tech-line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.hero::after {
  content: "AI / GROWTH / SYSTEM";
  position: absolute;
  right: -50px;
  bottom: 24px;
  z-index: -1;
  font-size: 86px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.025);
  white-space: nowrap;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  color: var(--tech-cyan);
  border: 1px solid rgba(82, 232, 209, 0.25);
  background: rgba(82, 232, 209, 0.06);
}

.hero .eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--tech-lime);
  box-shadow: 0 0 12px var(--tech-lime);
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(44px, 5vw, 72px);
}

.hero h1 em {
  color: var(--tech-cyan);
  text-shadow: 0 0 34px rgba(82, 232, 209, 0.18);
}

.hero-copy > p {
  color: rgba(255, 255, 255, 0.68);
}

.hero .btn.primary {
  color: #07120f;
  background: var(--tech-lime);
  box-shadow: 0 0 36px rgba(200, 240, 77, 0.16);
}

.hero .btn.text {
  color: var(--tech-cyan);
}

.proof {
  display: grid;
  grid-template-columns: 1.28fr 1fr 1fr;
  border-top-color: rgba(255, 255, 255, 0.12);
}

.proof div {
  min-width: 0;
  padding: 2px 22px 2px 0;
  margin-right: 22px;
  border-right-color: rgba(255, 255, 255, 0.14);
}

.proof strong {
  color: #fff;
  font-size: 23px;
}

.proof span {
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.55;
}

.hero-scene {
  position: relative;
  border: 1px solid rgba(82, 232, 209, 0.28);
  background: linear-gradient(145deg, rgba(18, 42, 34, 0.94), rgba(8, 22, 18, 0.94));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42), inset 0 0 60px rgba(82, 232, 209, 0.03);
}

.hero-scene::before,
.hero-scene::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--tech-cyan);
}

.hero-scene::before {
  left: -1px;
  top: -1px;
  border-left: 2px solid;
  border-top: 2px solid;
}

.hero-scene::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.scene-head {
  color: rgba(255, 255, 255, 0.84);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.scene-main,
.metric {
  color: #fff;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.scene-main p,
.metric span,
.workflow span,
.scene-head > span:last-child {
  color: rgba(255, 255, 255, 0.5);
}

.bar {
  background: rgba(255, 255, 255, 0.08);
}

.bar i {
  background: linear-gradient(90deg, var(--tech-cyan), var(--tech-lime));
  box-shadow: 0 0 16px rgba(82, 232, 209, 0.35);
}

.workflow {
  border-color: rgba(255, 255, 255, 0.1);
}

.workflow div {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.workflow .active {
  color: var(--tech-cyan);
  border-left-color: var(--tech-cyan);
  background: rgba(82, 232, 209, 0.05);
}

.workflow .done {
  border-left-color: var(--tech-lime);
}

.scene-note {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: #fff;
  background: rgba(82, 232, 209, 0.07);
  border: 1px solid rgba(82, 232, 209, 0.14);
}

.scene-note span {
  color: var(--tech-cyan);
  font-size: 10px;
  font-weight: 800;
}

.pain-band {
  background: #0b1915;
  border-top: 1px solid rgba(82, 232, 209, 0.14);
}

.section-head h2,
.section h2 {
  max-width: 900px;
}

.method-grid,
.timeline,
.tool-card,
.case-layout aside {
  box-shadow: 0 18px 50px rgba(15, 51, 41, 0.055);
}

.method-grid article,
.tool-card,
.timeline div {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.method-grid article:hover,
.tool-card:hover,
.timeline div:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 97, 73, 0.34);
  box-shadow: 0 20px 45px rgba(15, 51, 41, 0.1);
}

.tool-card.featured {
  background:
    linear-gradient(rgba(82, 232, 209, 0.05), rgba(82, 232, 209, 0)),
    #0b211a;
  border-color: rgba(82, 232, 209, 0.24);
}

.tool-icon {
  border-radius: 2px;
  background: var(--tech-lime);
  box-shadow: 8px 8px 0 rgba(82, 232, 209, 0.11);
}

.about {
  position: relative;
  background:
    linear-gradient(rgba(82, 232, 209, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 232, 209, 0.035) 1px, transparent 1px),
    #07120f;
  background-size: 42px 42px;
}

.about-portrait {
  border: 1px solid rgba(82, 232, 209, 0.22);
  box-shadow: 18px 18px 0 rgba(82, 232, 209, 0.08);
}

.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #0c6a50, #0a4c3c);
}

.cta::after {
  content: "01  10  11  01  00  10";
  position: absolute;
  right: 18px;
  bottom: -8px;
  color: rgba(255, 255, 255, 0.07);
  font-size: 42px;
  font-weight: 900;
}

@media (max-width: 900px) {
  .topbar nav.mobile-open {
    background: #0b1915;
    border-bottom-color: rgba(82, 232, 209, 0.18);
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 39px;
  }

  .proof {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .proof div {
    padding: 14px 0;
    margin: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  }

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

  .proof span {
    max-width: 280px;
  }
}