:root {
  --blue: #1a73e8;
  --blue-dark: #0b57d0;
  --orange: #ff5c35;
  --orange-dark: #d9411f;
  --ink: #172635;
  --slate: #5f6f82;
  --muted: #7c8b9a;
  --bg: #f6f9fc;
  --card: #ffffff;
  --border: rgba(23, 38, 53, 0.12);
  --shadow: 0 20px 55px rgba(23, 38, 53, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 8%, rgba(26, 115, 232, 0.14), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(255, 92, 53, 0.16), transparent 28%),
    var(--bg);
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  padding: 22px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: 22px;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 48%, var(--orange) 49%, var(--orange-dark) 100%);
  box-shadow: 0 12px 28px rgba(23, 38, 53, 0.18);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.95);
}

.brand-mark::after {
  content: "D";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  padding: 72px 0 54px;
}

.hero-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88)),
    var(--card);
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  padding: 54px;
}

.kicker {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(232, 240, 254, 0.95), rgba(255, 243, 238, 0.95));
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.lead {
  margin: 0 0 24px;
  color: var(--slate);
  font-size: 20px;
  line-height: 1.45;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  color: #ffffff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  box-shadow: 0 14px 28px rgba(26, 115, 232, 0.18);
}

.button.orange {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  box-shadow: 0 14px 28px rgba(255, 92, 53, 0.18);
}

.button.secondary {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: none;
}

.mockup {
  border-radius: 26px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 48%, var(--orange) 49%, var(--orange-dark) 100%);
  padding: 14px;
  min-height: 340px;
}

.mockup-panel {
  height: 100%;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.94);
  padding: 18px;
}

.pill {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: #eafaf1;
  color: #086c3b;
  font-size: 12px;
  font-weight: 900;
}

.mock-row {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #ffffff;
}

.mock-title {
  font-weight: 900;
}

.mock-sub {
  margin-top: 4px;
  color: var(--slate);
  font-size: 13px;
}

.section {
  padding: 54px 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 14px 35px rgba(23, 38, 53, 0.08);
}

.card p,
.content p,
.content li {
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
}

.content {
  max-width: 850px;
  padding: 38px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 14px 35px rgba(23, 38, 53, 0.08);
}

.content h1 {
  font-size: clamp(34px, 5vw, 54px);
}

.content h2 {
  margin-top: 36px;
  font-size: 28px;
}

.content ul {
  padding-left: 22px;
}

.footer {
  margin-top: 50px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  color: var(--slate);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 850px) {
  .hero-grid,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding: 30px;
  }

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