:root {
  color-scheme: light dark;
  --bg: #f8f5ed;
  --bg-soft: #f0ece2;
  --surface: rgba(255, 253, 248, 0.82);
  --surface-solid: #fffdf8;
  --ink: #101816;
  --muted: #5f6965;
  --line: rgba(16, 24, 22, 0.11);
  --accent: #0d6658;
  --accent-strong: #084f44;
  --accent-soft: #dceee9;
  --warm: #e9dfcf;
  --shadow: 0 24px 70px rgba(42, 50, 45, 0.10);
  --radius: 28px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: var(--ink); color: var(--bg); transform: translateY(-150%); border-radius: 12px; }
.skip-link:focus { transform: none; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid transparent; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(20px) saturate(150%); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.12rem; font-weight: 720; letter-spacing: -0.02em; }
.brand-mark { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 8px; background: var(--accent); color: white; font-size: 15px; font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; font-weight: 570; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 0; border-radius: 14px; background: var(--surface-solid); color: var(--ink); font: inherit; }
.mobile-nav { padding: 0 0 16px; }
.mobile-nav a { display: block; padding: 10px 0; color: var(--muted); text-decoration: none; }

.hero { padding: 78px 0 60px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.03fr 0.97fr; align-items: center; gap: clamp(48px, 7vw, 100px); }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 0.78rem; font-weight: 760; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; letter-spacing: -0.045em; line-height: 1.04; }
h1 { max-width: 730px; margin-bottom: 25px; font-size: clamp(3.2rem, 6.7vw, 6.8rem); font-weight: 760; }
h2 { margin-bottom: 20px; font-size: clamp(2.2rem, 4.4vw, 4.6rem); font-weight: 735; }
h3 { margin-bottom: 10px; font-size: 1.35rem; font-weight: 700; }
.hero-copy { max-width: 600px; margin: 0; color: var(--muted); font-size: clamp(1.16rem, 1.8vw, 1.36rem); }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 34px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; border-radius: 15px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 680; border: 1px solid var(--accent); }
.button:hover { background: var(--accent-strong); }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.button.is-disabled { background: var(--bg-soft); color: var(--muted); border-color: transparent; cursor: default; }
.availability { display: block; margin-top: 12px; color: var(--muted); font-size: 0.82rem; }
.hero-visual { position: relative; min-height: 650px; display: grid; place-items: center; }
.hero-orbit { position: absolute; width: 590px; aspect-ratio: 1; border-radius: 50%; background: var(--accent-soft); opacity: .74; }
.phone-shot { position: relative; width: min(390px, 86%); height: auto; box-shadow: var(--shadow); }

.section { padding: 110px 0; }
.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading p, .lede { color: var(--muted); font-size: 1.12rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); counter-increment: step; }
.step::before { content: "0" counter(step); display: block; margin-bottom: 62px; color: var(--accent); font-size: 0.78rem; font-weight: 760; letter-spacing: .11em; }
.step p { margin: 0; color: var(--muted); }
.showcase { background: var(--ink); color: #eef6f2; }
.showcase .eyebrow { color: #84c6b8; }
.showcase .section-heading p { color: #aebbb6; }
.shot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: start; }
.shot-card { position: relative; margin-inline: 0; background: #f8f5ed; }
.shot-card:nth-child(2) { margin-top: 100px; }
.shot-card img { width: 100%; height: auto; }
.shot-note { padding: 23px 26px 27px; color: var(--ink); }
.shot-note strong { display: block; margin-bottom: 4px; font-size: 1.1rem; }
.shot-note span { color: var(--muted); font-size: .95rem; }
.plus-grid, .privacy-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(50px, 9vw, 120px); }
.plus-card { padding: 36px; border-radius: 32px; background: var(--accent); color: white; box-shadow: var(--shadow); }
.plus-symbol { display: inline-grid; place-items: center; width: 56px; height: 56px; margin-bottom: 72px; border-radius: 18px; background: rgba(255,255,255,.14); font-weight: 750; }
.plus-card p { color: rgba(255,255,255,.78); }
.plain-list { list-style: none; padding: 0; margin: 30px 0 0; }
.plain-list li { position: relative; padding: 13px 0 13px 30px; border-bottom: 1px solid var(--line); }
.plain-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.privacy-panel { padding: 46px; border-radius: 36px; background: var(--surface-solid); border: 1px solid var(--line); }
.privacy-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 30px; }
.privacy-point { padding: 18px; border-radius: 18px; background: var(--bg-soft); }
.privacy-point strong { display: block; font-size: .96rem; }
.privacy-point span { color: var(--muted); font-size: .88rem; }
.final-cta { padding: 0 0 110px; }
.cta-panel { padding: clamp(38px, 7vw, 78px); border-radius: 42px; background: var(--warm); text-align: center; }
.cta-panel h2 { max-width: 720px; margin-inline: auto; }

.page-hero { padding: 90px 0 54px; }
.page-hero h1 { max-width: 900px; font-size: clamp(3rem, 6vw, 5.9rem); }
.page-hero .lede { max-width: 720px; }
.content-grid { display: grid; grid-template-columns: 250px minmax(0, 760px); gap: 76px; align-items: start; padding-bottom: 120px; }
.toc { position: sticky; top: 104px; padding-top: 6px; }
.toc p { margin: 0 0 12px; color: var(--muted); font-size: .78rem; font-weight: 760; letter-spacing: .1em; text-transform: uppercase; }
.toc a { display: block; padding: 8px 0; color: var(--muted); text-decoration: none; font-size: .92rem; }
.toc a:hover { color: var(--accent); }
.article section { scroll-margin-top: 100px; padding: 0 0 56px; }
.article h2 { font-size: clamp(1.9rem, 3.2vw, 2.9rem); letter-spacing: -.035em; }
.article p, .article li { color: var(--muted); }
.article strong { color: var(--ink); }
.faq { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; padding: 22px 38px 22px 0; position: relative; font-weight: 680; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 18px; color: var(--accent); font-size: 1.35rem; font-weight: 500; }
details[open] summary::after { content: "–"; }
details p { margin: -7px 0 22px; max-width: 680px; }
.contact-card { padding: 32px; border-radius: 26px; background: var(--accent-soft); }
.contact-card p { color: var(--ink); }
.placeholder-note { padding: 12px 14px; border-radius: 12px; background: var(--warm); font-size: .88rem; }
.meta-line { color: var(--muted); font-size: .9rem; }

.site-footer { border-top: 1px solid var(--line); padding: 34px 0 48px; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; }
.footer-copy { max-width: 430px; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: .9rem; text-decoration: none; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 70%, white); outline-offset: 4px; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .hero { padding-top: 54px; }
  .hero-grid, .plus-grid, .privacy-grid, .content-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 570px; }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: 0; }
  .step::before { margin-bottom: 36px; }
  .shot-grid { gap: 15px; }
  .shot-card:nth-child(2) { margin-top: 54px; }
  .toc { display: none; }
  .page-hero { padding-top: 64px; }
}
@media (max-width: 600px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .section { padding: 82px 0; }
  .hero-visual { min-height: 480px; }
  .hero-orbit { width: 430px; }
  .shot-grid { grid-template-columns: 1fr; }
  .shot-card:nth-child(2) { margin-top: 0; }
  .privacy-panel, .plus-card { padding: 28px; }
  .privacy-points { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101411;
    --bg-soft: #1a201c;
    --surface: rgba(28, 34, 30, .82);
    --surface-solid: #191e1b;
    --ink: #f2f4ef;
    --muted: #a8b0aa;
    --line: rgba(238, 246, 242, .12);
    --accent: #55aa98;
    --accent-strong: #70bdac;
    --accent-soft: #183a32;
    --warm: #2c2a23;
    --shadow: 0 24px 70px rgba(0,0,0,.35);
  }
  .brand-mark, .button { color: #08110e; }
  .showcase { background: #080b09; }
  .showcase .shot-note { color: #101816; }
  .showcase .shot-note span { color: #5f6965; }
  .plus-card { background: #164f45; }
  .plus-card, .plus-card h2 { color: #f4fbf8; }
}
