:root {
  --ink: #14201b;
  --muted: #5e6963;
  --paper: #f4f1ea;
  --surface: #fffdf8;
  --line: rgba(20, 32, 27, 0.14);
  --accent: #ff5d3b;
  --green: #244f3d;
  --radius: 1.25rem;
  --shadow: 0 24px 70px rgba(36, 79, 61, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; padding: 0.7rem 1rem; background: var(--ink); color: white; border-radius: 0.5rem; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header, main, footer { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { min-height: 5.5rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { text-decoration: none; font-size: 1.55rem; font-weight: 800; letter-spacing: -0.07em; }
.wordmark span, .card-number { color: var(--accent); }
nav { display: flex; align-items: center; gap: 1.75rem; }
nav a { color: var(--muted); font-size: 0.88rem; font-weight: 650; text-decoration: none; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 3.15rem; padding: 0.7rem 1.25rem; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: white; font-size: 0.9rem; font-weight: 750; text-decoration: none; transition: transform 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); background: var(--green); }
.button-small { min-height: 2.5rem; padding: 0.5rem 1rem; color: white; }
.hero { min-height: 43rem; display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: clamp(3rem, 7vw, 7rem); padding: 6rem 0; }
.eyebrow { margin: 0 0 1.25rem; color: var(--green); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.hero .eyebrow span { display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.45rem; border-radius: 50%; background: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 13ch; margin-bottom: 1.5rem; font-size: clamp(3rem, 6vw, 5.6rem); line-height: 0.97; letter-spacing: -0.065em; }
.lede { max-width: 36rem; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.actions { display: flex; align-items: center; gap: 1.4rem; margin-top: 2rem; }
.text-link { font-size: 0.9rem; font-weight: 750; text-underline-offset: 0.25rem; }
.fine-print { margin: 1rem 0 0; color: var(--muted); font-size: 0.76rem; }
.product-card { position: relative; overflow: hidden; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.5rem; background: var(--surface); box-shadow: var(--shadow); }
.product-card::before { position: absolute; right: -5rem; top: -6rem; width: 15rem; height: 15rem; border-radius: 50%; background: rgba(255, 93, 59, 0.14); content: ""; filter: blur(12px); }
.product-card-header, .status { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: 0.72rem; font-weight: 700; }
.status span { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: #3a9b6a; }
.metric { margin: 3.5rem 0 0; font-size: clamp(4rem, 9vw, 7rem); font-weight: 800; line-height: 0.9; letter-spacing: -0.07em; }
.metric span { color: var(--accent); font-size: 0.45em; }
.metric-label { color: var(--muted); font-size: 0.84rem; }
.chart { height: 9rem; display: flex; align-items: end; gap: 0.55rem; margin: 2.5rem 0 1.5rem; border-bottom: 1px solid var(--line); }
.chart span { flex: 1; height: var(--height); min-width: 0.35rem; border-radius: 0.35rem 0.35rem 0 0; background: var(--green); opacity: 0.82; }
.chart span:nth-last-child(-n + 3) { background: var(--accent); }
.mini-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.mini-metrics p { margin: 0; }
.mini-metrics strong, .mini-metrics span { display: block; }
.mini-metrics strong { font-size: 1.25rem; }
.mini-metrics span { color: var(--muted); font-size: 0.65rem; }
.section { padding: 7.5rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 4rem; align-items: end; margin-bottom: 3.5rem; }
h2 { margin-bottom: 0; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -0.055em; }
.section-heading > p { max-width: 30rem; margin: 0; color: var(--muted); font-size: 1.05rem; }
.card-grid, .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.feature-card, figure { margin: 0; padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 253, 248, 0.52); }
.card-number { font-size: 0.72rem; font-weight: 800; }
.feature-card h3 { margin: 4rem 0 0.75rem; font-size: 1.35rem; letter-spacing: -0.025em; }
.feature-card p { margin: 0; color: var(--muted); }
.reviews { border-top: 0; }
figure { display: flex; min-height: 18rem; flex-direction: column; justify-content: space-between; background: var(--green); color: white; }
blockquote { margin: 0; font-size: 1.3rem; font-weight: 600; line-height: 1.35; letter-spacing: -0.02em; }
figcaption strong, figcaption span { display: block; }
figcaption span { color: rgba(255, 255, 255, 0.68); font-size: 0.78rem; }
.closing { margin: 4rem 0 2rem; padding: clamp(3rem, 8vw, 7rem); border-radius: 1.9rem; background: var(--accent); text-align: center; }
.closing .eyebrow { color: var(--ink); }
.closing p:not(.eyebrow) { max-width: 36rem; margin: 1.5rem auto 2rem; font-size: 1.1rem; }
.button-light { border-color: var(--surface); background: var(--surface); color: var(--ink); }
footer { min-height: 8rem; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 0.78rem; }
footer p { margin: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .product-card { max-width: 42rem; }
  .card-grid, .review-grid { grid-template-columns: 1fr; }
  figure { min-height: 13rem; }
}

@media (max-width: 760px) {
  .site-header, main, footer { width: min(100% - 2rem, 40rem); }
  .site-header { min-height: 4.5rem; }
  nav > a:not(.button) { display: none; }
  .hero { min-height: auto; padding: 4.5rem 0; }
  h1 br, h2 br { display: none; }
  .section { padding: 5rem 0; }
  .section-heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .feature-card h3 { margin-top: 2.5rem; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 0.5rem; }
}

@media (max-width: 420px) {
  .actions { align-items: stretch; flex-direction: column; }
  .text-link { text-align: center; }
  .product-card { padding: 1rem; }
  .product-card-header { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}
