:root {
  color-scheme: light;
  --ink: #15201b;
  --muted: #5f6f66;
  --line: #dce5df;
  --paper: #f7faf8;
  --panel: #ffffff;
  --green: #0d7a52;
  --teal: #126b72;
  --gold: #b4802b;
  --red: #b84b4b;
  --shadow: 0 22px 60px rgba(28, 47, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 229, 223, 0.72);
  background: rgba(247, 250, 248, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

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

.hero {
  min-height: 78vh;
  display: grid;
  align-items: end;
  background:
    linear-gradient(rgba(12, 25, 20, 0.18), rgba(12, 25, 20, 0.56)),
    url("./portfolio-preview.svg") center / cover no-repeat;
}

.hero-inner {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 110px 22px 56px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.12;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(44px, 8vw, 82px);
  font-weight: 820;
}

.hero-copy {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.86);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 720;
  border: 1px solid transparent;
}

.button.primary {
  background: #fff;
  color: var(--ink);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.54);
  color: #fff;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 22px;
}

.section.compact {
  padding-top: 46px;
}

.section-title {
  display: grid;
  gap: 12px;
  max-width: 780px;
  margin-bottom: 32px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 48px);
}

.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature,
.doc-card,
.support-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 8px 28px rgba(28, 47, 38, 0.05);
}

.feature strong,
.doc-card strong,
.support-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.feature p,
.doc-card p,
.support-card p {
  margin: 0;
  color: var(--muted);
}

.product-band {
  background: #eaf2ee;
  border-block: 1px solid var(--line);
}

.product-layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 70px 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 48px;
  align-items: center;
}

.phone {
  background: #111815;
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.screen {
  min-height: 560px;
  border-radius: 28px;
  background: #f9fbfa;
  padding: 24px 18px;
  overflow: hidden;
}

.screen-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.screen-total {
  margin: 34px 0 22px;
}

.screen-total span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.screen-total strong {
  display: block;
  font-size: 36px;
  line-height: 1.1;
}

.holding {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.holding small {
  display: block;
  color: var(--muted);
}

.gain {
  color: var(--green);
  font-weight: 740;
}

.loss {
  color: var(--red);
  font-weight: 740;
}

.page-hero {
  background: #eaf2ee;
  border-bottom: 1px solid var(--line);
}

.page-hero .section {
  padding-top: 68px;
  padding-bottom: 58px;
}

.page-hero h1 {
  color: var(--ink);
  max-width: 840px;
  font-size: clamp(38px, 6vw, 64px);
}

.page-hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.prose {
  max-width: 840px;
}

.prose h2 {
  margin-top: 34px;
  font-size: 26px;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #f0f5f2;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 22px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 760px;
  }

  .grid,
  .product-layout {
    grid-template-columns: 1fr;
  }

  .product-layout {
    gap: 30px;
  }

  .screen {
    min-height: 500px;
  }

  .footer-inner {
    flex-direction: column;
  }
}