:root {
  color-scheme: dark;
  --bg: #02050a;
  --surface: #07101b;
  --surface-2: #0a1624;
  --line: rgba(118, 205, 255, .16);
  --line-strong: rgba(48, 199, 255, .42);
  --text: #f5fbff;
  --muted: #a8bccb;
  --cyan: #18d9ff;
  --blue: #2786ff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, system-ui, sans-serif; line-height: 1.6; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 100; padding: .65rem 1rem; background: #fff; color: #000; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 76px; max-width: var(--max); margin: auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-family: "Space Grotesk", sans-serif; font-size: 1.25rem; font-weight: 700; letter-spacing: -.03em; }
.brand img { border-radius: 50%; object-fit: cover; }
.brand span span { color: var(--cyan); }
nav { display: flex; gap: 1.8rem; }
nav a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 600; }
nav a:hover { color: var(--text); }

.hero { min-height: min(720px, calc(100vh - 76px)); max-width: 1440px; margin: auto; position: relative; overflow: hidden; display: grid; align-items: end; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .76; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,5,10,.96) 0%, rgba(2,5,10,.74) 42%, rgba(2,5,10,.15) 76%), linear-gradient(0deg, #02050a 0%, transparent 42%); }
.hero-copy { position: relative; width: min(860px, 100%); padding: clamp(3rem, 6vw, 5.5rem) max(1.5rem, calc((100vw - var(--max)) / 2)); }
.eyebrow { color: #8ee9ff; text-transform: uppercase; letter-spacing: .18em; font-size: .76rem; font-weight: 700; margin: 0 0 1rem; }
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(2.8rem, 5.7vw, 4.8rem); letter-spacing: -.055em; margin-bottom: 1.25rem; }
h1 span { color: #a8efff; }
.hero-copy > p:not(.eyebrow) { max-width: 640px; color: #c3d4df; font-size: clamp(1.05rem, 2vw, 1.24rem); margin-bottom: 2rem; }
.primary-button { display: inline-flex; gap: .8rem; align-items: center; background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #00101a; text-decoration: none; padding: .9rem 1.25rem; border-radius: .35rem; font-weight: 800; box-shadow: 0 0 32px rgba(24,217,255,.2); }

.trust-strip { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; border-bottom: 1px solid var(--line); }
.trust-strip div { display: grid; gap: .15rem; }
.trust-strip strong { font-size: .95rem; }
.trust-strip span { color: var(--muted); font-size: .82rem; }

.recommendations, .method { max-width: var(--max); margin: 0 auto; padding: 7rem 1.5rem; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem; align-items: end; margin-bottom: 2.25rem; }
h2 { font-size: clamp(2.15rem, 4.5vw, 3.7rem); letter-spacing: -.045em; margin-bottom: 0; }
.section-heading > p { color: var(--muted); margin: 0; max-width: 500px; }
.filters { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.75rem; }
.filter { appearance: none; border: 1px solid var(--line); background: transparent; color: var(--muted); padding: .7rem 1rem; border-radius: 999px; font: 600 .88rem Inter, sans-serif; cursor: pointer; }
.filter:hover, .filter.active { background: rgba(24,217,255,.1); border-color: var(--line-strong); color: var(--text); }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.tool-grid.two-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 860px; }
.tool-card { min-height: 450px; background: linear-gradient(155deg, rgba(11,27,44,.95), rgba(4,11,19,.96)); border: 1px solid var(--line); border-radius: .8rem; padding: 1.45rem; display: flex; flex-direction: column; box-shadow: inset 0 1px rgba(255,255,255,.025); }
.tool-card:hover { border-color: var(--line-strong); transform: translateY(-2px); transition: .2s ease; }
.tool-card[hidden] { display: none; }
.tool-card.featured { background: radial-gradient(circle at top right, rgba(39,134,255,.22), transparent 42%), linear-gradient(155deg, rgba(8,33,52,.98), rgba(4,11,19,.96)); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.tool-mark { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid var(--line-strong); border-radius: .55rem; background: rgba(24,217,255,.06); color: #8ee9ff; font-family: "Space Grotesk", sans-serif; font-weight: 700; }
.badge { font-size: .7rem; text-transform: uppercase; letter-spacing: .11em; color: #79dff5; }
.tool-card h3 { font-size: 1.65rem; margin-bottom: .5rem; }
.tool-card p { color: var(--muted); font-size: .93rem; }
.tool-card .best-for { color: var(--text); font-weight: 700; min-height: 3rem; }
.tool-card ul { margin: .6rem 0 1.5rem; padding-left: 1.15rem; color: var(--muted); font-size: .86rem; }
.tool-card li { margin-bottom: .35rem; }
.card-link { margin-top: auto; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 1rem; color: #8ee9ff; text-decoration: none; font-weight: 700; }
.card-link:hover { color: #fff; }
.link-status { color: #738b9d; font-size: .78rem; margin: 1.25rem 0 0; }
.link-status code { color: #9ccce0; }

.method { display: grid; grid-template-columns: .78fr 1.22fr; gap: 5rem; border-top: 1px solid var(--line); }
.method-intro > p:last-child { color: var(--muted); max-width: 430px; }
.method-list { list-style: none; margin: 0; padding: 0; }
.method-list li { display: grid; grid-template-columns: 60px 1fr; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.method-list li > span { color: var(--cyan); font-family: "Space Grotesk"; font-weight: 700; }
.method-list strong { font-size: 1.05rem; }
.method-list p { color: var(--muted); margin: .25rem 0 0; font-size: .9rem; }

.disclosure { max-width: calc(var(--max) - 3rem); margin: 0 auto 7rem; padding: 2rem; display: grid; grid-template-columns: 48px 1fr; gap: 1.25rem; background: rgba(9,26,40,.72); border: 1px solid var(--line-strong); border-radius: .8rem; }
.disclosure-icon { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--cyan); font-family: serif; font-weight: 700; }
.disclosure h2 { font-size: 1.2rem; letter-spacing: 0; margin-bottom: .45rem; }
.disclosure p { color: var(--muted); margin: 0; font-size: .88rem; }

footer { max-width: var(--max); margin: auto; padding: 2rem 1.5rem 3rem; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 1rem; color: #738b9d; font-size: .8rem; }
footer .footer-brand { margin-right: auto; color: var(--text); }

@media (max-width: 900px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .method { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 680px) {
  .site-header { height: 66px; }
  nav a:not(:first-child) { display: none; }
  .hero { min-height: 690px; align-items: end; }
  .hero-image { object-position: 52% center; opacity: .58; }
  .hero-shade { background: linear-gradient(0deg, #02050a 2%, rgba(2,5,10,.76) 65%, rgba(2,5,10,.28)); }
  .hero-copy { padding: 4rem 1.25rem; }
  h1 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .trust-strip, .section-heading, .tool-grid { grid-template-columns: 1fr; }
  .tool-grid.two-tools { grid-template-columns: 1fr; }
  .trust-strip { gap: 1.35rem; }
  .recommendations, .method { padding: 5rem 1.25rem; }
  .section-heading { gap: 1rem; }
  .tool-card { min-height: auto; }
  .disclosure { margin: 0 1.25rem 5rem; grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-wrap: wrap; }
  footer .footer-brand { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}