:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #5b6475;
  --line: #dce3ee;
  --accent: #0f8b6d;
  --accent-dark: #0b6650;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 139, 109, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.10), transparent 24%),
    var(--bg);
}

a { color: inherit; }

.topbar,
main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 48px;
  height: 48px;
}

.brand-name {
  font-weight: 800;
  font-size: 18px;
}

.brand-subtitle,
.lead,
.section p,
.steps,
.quote-source {
  color: var(--muted);
}

.topbar-link {
  text-decoration: none;
  font-weight: 700;
}

.hero,
.section {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(220, 227, 238, 0.9);
  border-radius: 28px;
  box-shadow: var(--shadow);
  margin: 18px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  padding: 34px;
  align-items: center;
}

.hero-copy h1,
.section h2 {
  margin: 0;
  line-height: 1.05;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  max-width: 12ch;
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 60ch;
  font-size: 1.08rem;
  line-height: 1.6;
  margin: 18px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #12b28a);
  color: white;
  box-shadow: 0 14px 30px rgba(15, 139, 109, 0.28);
}

.button-secondary {
  border-color: var(--line);
  background: white;
}

.benefits {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-visual-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-shell {
  position: relative;
  width: min(100%, 380px);
  aspect-ratio: 9 / 18;
  padding: 14px;
  border-radius: 52px;
  background: linear-gradient(180deg, #101827 0%, #1e2f4b 58%, #0d1117 100%);
  box-shadow:
    0 34px 80px rgba(15, 23, 42, 0.30),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.phone-shell::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 42px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  width: 112px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 0 0 16px 16px;
  background: #05070a;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.08);
  z-index: 3;
}

.phone-screen-wrap {
  position: absolute;
  inset: 18px;
  border-radius: 38px;
  overflow: hidden;
  background: #0b1220;
}

.phone-screen {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.phone-side {
  position: absolute;
  width: 6px;
  border-radius: 4px;
  background: rgba(10, 16, 26, 0.95);
  z-index: 2;
}

.phone-side-left {
  left: -3px;
  top: 140px;
  height: 74px;
  box-shadow: 0 96px 0 rgba(10, 16, 26, 0.95), 0 194px 0 rgba(10, 16, 26, 0.95);
}

.phone-side-right {
  right: -3px;
  top: 188px;
  height: 120px;
}

.phone-reflection {
  position: absolute;
  inset: 18px;
  border-radius: 38px;
  background: linear-gradient(135deg, rgba(255,255,255,0.11), transparent 34%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.section {
  padding: 28px 30px;
}

.section-heading {
  margin-bottom: 18px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.quote-card,
.cta-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.card {
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 18px;
  align-items: stretch;
}

.steps {
  padding-left: 18px;
  line-height: 1.9;
  font-size: 1.05rem;
}

.quote-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 220px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.quote {
  font-size: 1.4rem;
  line-height: 1.5;
  margin: 0 0 12px;
}

.quote-source {
  margin: 0;
  font-weight: 700;
}

.cta-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 26px 28px;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .grid.three,
  .cta-panel {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    padding: 24px;
  }

  .section {
    padding: 22px;
  }
}

@media (max-width: 640px) {
  .topbar {
    gap: 10px;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .button {
    width: 100%;
  }
}