:root {
  --ink: #111827;
  --muted: #5f6878;
  --soft: #8a94a6;
  --paper: #f8fafc;
  --panel: rgba(255, 255, 255, 0.84);
  --line: rgba(17, 24, 39, 0.11);
  --navy: #0f172a;
  --cyan: #0891b2;
  --blue: #4f46e5;
  --green: #0f766e;
  --amber: #d97706;
  --rose: #e11d48;
  --shadow: 0 22px 70px rgba(15, 23, 42, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.1) 1px, transparent 0) 0 0 / 22px 22px,
    linear-gradient(135deg, #f8fafc 0%, #eef7ff 45%, #fff7ed 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

.shell {
  width: min(1080px, calc(100% - 38px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(248, 250, 252, 0.84);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
  font-weight: 900;
}

.nav-inner a:last-child {
  color: var(--muted);
}

.hero {
  padding: 74px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--accent, var(--cyan));
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 6px color-mix(in srgb, currentColor 18%, transparent);
}

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

h1 {
  max-width: 840px;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 0.99;
  font-weight: 940;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
}

.hero-media {
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.11);
  border-radius: 28px;
  background: rgba(15, 23, 42, 0.94);
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.system-loop {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(17, 24, 39, 0.11);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent, var(--cyan)) 20%, transparent) 0 18%, transparent 19%),
    linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.92));
  box-shadow: var(--shadow);
}

.system-loop::before {
  content: "";
  position: absolute;
  inset: 38px;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 999px;
}

.loop-node {
  position: relative;
  z-index: 1;
  min-height: 112px;
  padding: 17px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.loop-node strong {
  display: block;
  margin-bottom: 7px;
  color: #fff;
  font-size: 18px;
  font-weight: 950;
}

.loop-node span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

.loop-center {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: var(--accent, var(--cyan));
  color: #fff;
  font-size: 22px;
  font-weight: 950;
  transform: translate(-50%, -50%);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.24);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.chip {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 11px;
  border: 1px solid rgba(17, 24, 39, 0.09);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 36px;
}

.meta div {
  min-height: 124px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.05);
}

.meta strong {
  display: block;
  margin-bottom: 10px;
  color: var(--accent, var(--cyan));
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.meta span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

section {
  padding: 72px 0;
}

.article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 58px;
  align-items: start;
}

.side {
  color: var(--accent, var(--cyan));
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.body {
  max-width: 760px;
}

h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(32px, 4.5vw, 54px);
  line-height: 1.03;
  font-weight: 920;
  letter-spacing: 0;
}

.body p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 17px;
}

.body ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 17px;
}

.body li + li {
  margin-top: 11px;
}

.image-band {
  padding: 0 0 20px;
}

.image-band img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(15, 23, 42, 0.94);
  box-shadow: var(--shadow);
}

.dashboard-showcase {
  display: grid;
  gap: 16px;
  padding: 0 0 20px;
}

.dashboard-showcase.ai-sdr-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dashboard-showcase.ai-sdr-gallery .wide {
  grid-column: 1 / -1;
}

.dashboard-shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(15, 23, 42, 0.94);
  box-shadow: var(--shadow);
}

.dashboard-shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
}

.dashboard-shot figcaption {
  padding: 14px 18px 16px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  font-weight: 800;
}

.phone-showcase {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0 0 20px;
}

.phone-showcase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.94);
  box-shadow: var(--shadow);
}

.phone-showcase .wide {
  grid-column: 1 / -1;
  aspect-ratio: 1024 / 500;
}

.phone-showcase .phone {
  aspect-ratio: 9 / 16;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.insight {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
}

.insight strong {
  display: block;
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 16px;
}

.insight span {
  color: var(--muted);
  font-size: 14px;
}

.takeaway {
  background: var(--navy);
  color: #fff;
}

.takeaway .side {
  color: #67e8f9;
}

.takeaway .body p {
  color: rgba(255, 255, 255, 0.72);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

footer {
  padding: 34px 0;
  border-top: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

@media (max-width: 860px) {
  .hero-grid,
  .article,
  .meta,
  .dashboard-showcase,
  .phone-showcase,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-showcase.ai-sdr-gallery {
    grid-template-columns: 1fr;
  }

  .system-loop {
    grid-template-columns: 1fr;
  }

  .system-loop::before,
  .loop-center {
    display: none;
  }

  section {
    padding: 62px 0;
  }
}

@media (max-width: 600px) {
  .shell {
    width: min(100% - 30px, 1080px);
  }

  .nav-inner {
    min-height: 58px;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 56px);
  }
}