/* The Argument — shared stylesheet
   Apple-product aesthetic: light, spacious, large type, restrained accents.
   System font stack (SF Pro on Apple devices) — zero CDN, works offline. */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-tint: #fbfbfd;
  --ink: #1d1d1f;
  --ink-soft: #424245;
  --ink-mute: #6e6e73;
  --line: #d2d2d7;
  --accent: #0066cc;
  --accent-press: #0a4a99;
  --danger: #c8102e;
  --danger-soft: #fff1f1;
  --ok: #1a7f37;
  --radius: 20px;
  --radius-lg: 28px;
  --maxw: 1080px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 6px 18px rgba(0,0,0,.05);
  --shadow-md: 0 4px 14px rgba(0,0,0,.08), 0 20px 50px rgba(0,0,0,.07);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header / nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,251,253,.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.07);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 19px; color: var(--ink); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, #0a84ff, #0a3d91);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 14px;
}
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--ink-soft); font-size: 14px; font-weight: 400; letter-spacing: -0.01em; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.lang-toggle {
  border: 1px solid var(--line); background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 13px; font-weight: 500; border-radius: 999px;
  padding: 5px 13px; cursor: pointer; letter-spacing: 0; min-width: 56px;
}
.lang-toggle:hover { border-color: var(--ink-mute); color: var(--ink); }
.nav-toggle { display: none; }
.brand .logo { height: 46px; width: auto; display: block; }
.foot-logo { height: 92px; width: auto; display: block; margin-bottom: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; border-radius: 999px; padding: 13px 26px;
  font-size: 16px; font-weight: 500; letter-spacing: -0.01em; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s ease, background .2s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-press); color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); border-color: transparent; padding-left: 6px; padding-right: 6px; }
.btn-ghost:hover { text-decoration: underline; }
.btn-light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-light:hover { border-color: var(--ink-mute); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a50d25; color: #fff; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---------- Hero ---------- */
.hero {
  text-align: center; padding: 88px 0 64px;
  background: radial-gradient(120% 90% at 50% 0%, #f1f6ff 0%, #ffffff 55%);
}
.eyebrow { color: var(--accent); font-size: 17px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 14px; }
h1.display {
  font-size: clamp(40px, 6.5vw, 76px); line-height: 1.04; font-weight: 700;
  letter-spacing: -0.03em; max-width: 16ch; margin: 0 auto 22px;
}
.hero .sub { font-size: clamp(19px, 2.4vw, 25px); color: var(--ink-mute); max-width: 36ch; margin: 0 auto 34px; font-weight: 400; letter-spacing: -0.01em; }

/* ---------- Section primitives ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg-alt); }
section.tint { background: var(--bg-tint); }
.sec-head { text-align: center; max-width: 40ch; margin: 0 auto 52px; }
h2 { font-size: clamp(30px, 4.2vw, 48px); line-height: 1.08; font-weight: 700; letter-spacing: -0.025em; }
.sec-head p { margin-top: 16px; font-size: 19px; color: var(--ink-mute); }
h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.lead { font-size: 21px; color: var(--ink-soft); line-height: 1.5; }

/* ---------- Two big service tiles (home) ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile {
  position: relative; border-radius: var(--radius-lg); padding: 44px 40px;
  min-height: 320px; display: flex; flex-direction: column;
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.tile.primary { background: linear-gradient(160deg, #06121f 0%, #0a2a4d 100%); color: #fff; }
.tile.secondary { background: linear-gradient(160deg, #f5f5f7 0%, #e9eef5 100%); color: var(--ink); }
.tile.tertiary { background: linear-gradient(160deg, #eaf2ff 0%, #d4e4fb 100%); color: var(--ink); }
.tile .rank { font-size: 14px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; opacity: .65; }
.tile h3 { font-size: 25px; line-height: 1.12; margin: 12px 0 12px; letter-spacing: -0.02em; }
.tile p { font-size: 16px; opacity: .92; margin-bottom: auto; }
.tile.primary p { color: #cfe0f2; }
.tile.secondary p { color: var(--ink-soft); }
.tile.tertiary p { color: var(--ink-soft); }
.tile .go { margin-top: 26px; font-weight: 500; font-size: 16px; }
.tile.primary .go { color: #6fb4ff; }
.tile.secondary .go { color: var(--accent); }
.tile.tertiary .go { color: var(--accent); }
.tile .badge {
  position: absolute; top: 26px; right: 28px; font-size: 12px; font-weight: 600;
  padding: 6px 12px; border-radius: 999px; letter-spacing: 0;
}
.tile.primary .badge { background: rgba(200,16,46,.92); color: #fff; }

/* ---------- Steps / process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
section.alt .step { background: #fff; }
.step .n { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .05em; }
.step h3 { font-size: 19px; margin: 10px 0 8px; }
.step p { font-size: 15px; color: var(--ink-mute); }

/* ---------- Feature cards grid ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px; box-shadow: var(--shadow-sm);
}
section.alt .card, section.tint .card { background: #fff; }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; background: #eef4ff; color: var(--accent);
  display: grid; place-items: center; margin-bottom: 18px;
}
.card .ico svg { width: 24px; height: 24px; }
.card h3 { font-size: 20px; margin-bottom: 9px; }
.card p { color: var(--ink-mute); font-size: 16px; }

/* ---------- Trust strip ---------- */
.trust { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; text-align: center; }
.trust .item .big { font-size: 33px; font-weight: 700; letter-spacing: -0.03em; }
.trust .item .lbl { color: var(--ink-mute); font-size: 15px; margin-top: 4px; }

/* ---------- Urgency block (recovery page) ---------- */
.urgent {
  background: #eef4fb; border: 1px solid #d4e3f5; border-radius: var(--radius-lg);
  padding: 44px 44px;
}
.urgent .tag { display: inline-block; background: var(--accent-press); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 13px; border-radius: 999px; margin-bottom: 18px; }
.urgent h2 { color: #1d1d1f; }
.urgent p { font-size: 19px; color: #1d1d1f; margin-top: 14px; max-width: 60ch; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.tl { background: #fff; border-radius: 16px; padding: 22px 20px; border: 1px solid #f0d2d6; }
.tl .when { font-size: 14px; font-weight: 700; color: #1d1d1f; }
.tl .what { font-size: 15px; color: var(--ink-soft); margin-top: 6px; }

/* ---------- Checklist ---------- */
.checklist { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.check { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; }
.check .num { flex: 0 0 32px; height: 32px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: 15px; font-weight: 600; }
.check .body h3 { font-size: 17px; margin-bottom: 4px; }
.check .body p { font-size: 15px; color: var(--ink-mute); }

/* ---------- Matrix (honest yes/no) ---------- */
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mx { border-radius: var(--radius); padding: 30px 28px; }
.mx.yes { background: #f0f8f1; border: 1px solid #c8e6cd; }
.mx.no { background: #f7f7f8; border: 1px solid var(--line); }
.mx h3 { font-size: 19px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.mx.yes h3 { color: var(--ok); }
.mx.no h3 { color: var(--ink-mute); }
.mx ul { list-style: none; display: grid; gap: 11px; }
.mx li { font-size: 15px; color: var(--ink-soft); padding-left: 24px; position: relative; }
.mx.yes li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.mx.no li::before { content: "–"; position: absolute; left: 0; color: var(--ink-mute); font-weight: 700; }
.mx .mx-note { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.5; color: var(--ink-soft); }

/* ---------- Blog ---------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
}
.post:hover { text-decoration: none; transform: translateY(-2px); transition: transform .2s ease; }
.post .thumb { height: 124px; width: 100%; display: block; }
.post .pbody { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.post .cat { font-size: 12px; font-weight: 600; color: var(--accent); letter-spacing: .03em; text-transform: uppercase; }
.post h3 { font-size: 18px; line-height: 1.25; margin: 8px 0 8px; color: var(--ink); }
.post p { font-size: 14px; color: var(--ink-mute); margin-bottom: 14px; }
.post .more { font-size: 14px; font-weight: 500; color: var(--accent); margin-top: auto; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info .channel { display: flex; gap: 14px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info .channel:last-child { border-bottom: none; }
.contact-info .ic { width: 40px; height: 40px; border-radius: 11px; background: #eef4ff; color: var(--accent); display: grid; place-items: center; }
.contact-info .ic svg { width: 21px; height: 21px; }
.contact-info .k { font-size: 13px; color: var(--ink-mute); }
.contact-info .v { font-size: 17px; font-weight: 500; color: var(--ink); }
.contact-info .v a { color: var(--ink); }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 7px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #fff;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,102,204,.12); }
.form .note { font-size: 13px; color: var(--ink-mute); margin-top: 12px; }

/* ---------- Article ---------- */
.article { max-width: 720px; margin: 0 auto; padding: 64px 0; }
.article .meta { color: var(--ink-mute); font-size: 15px; margin-bottom: 12px; }
.article h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 700; margin-bottom: 24px; }
.article h2 { font-size: 28px; margin: 40px 0 14px; }
.article p { font-size: 18px; color: var(--ink-soft); line-height: 1.65; margin-bottom: 18px; }
.article ul, .article ol { margin: 0 0 18px 22px; color: var(--ink-soft); font-size: 18px; line-height: 1.6; }
.article li { margin-bottom: 8px; }
.article .callout { background: var(--bg-alt); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; padding: 18px 22px; margin: 24px 0; font-size: 17px; }

/* ---------- Disclaimer + footer ---------- */
.disclaimer { background: var(--bg-alt); }
.disclaimer .wrap { padding-top: 36px; padding-bottom: 36px; }
.disclaimer p { font-size: 13px; color: var(--ink-mute); line-height: 1.6; max-width: 90ch; }
footer { background: #f5f5f7; border-top: 1px solid var(--line); padding: 44px 0 36px; }
.consent { display: flex; align-items: flex-start; gap: 9px; font-size: 13px; color: var(--ink-mute); margin: 4px 0 14px; line-height: 1.45; }
.consent input { margin-top: 3px; flex: 0 0 auto; }
.consent a { color: var(--accent); }
.foot-docs { display: flex; flex-wrap: wrap; gap: 8px 22px; border-top: 1px solid var(--line); padding-top: 22px; margin-bottom: 14px; }
.foot-docs a { font-size: 13px; color: var(--ink-soft); }
.foot-docs a:hover { color: var(--ink); text-decoration: none; }
.foot-owner { font-size: 12px; color: var(--ink-mute); margin-bottom: 14px; }

.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.foot-grid h4 { font-size: 13px; color: var(--ink-mute); margin-bottom: 14px; font-weight: 600; }
.foot-grid a { display: block; color: var(--ink-soft); font-size: 14px; margin-bottom: 9px; }
.foot-grid a:hover { color: var(--ink); text-decoration: none; }
.foot-brand p { color: var(--ink-mute); font-size: 14px; margin-top: 12px; max-width: 34ch; }
.foot-legal { padding-top: 4px; font-size: 12px; color: var(--ink-mute); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .tiles, .steps, .cards, .cards.three, .trust, .timeline, .matrix, .posts, .contact-grid, .foot-grid { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(251,251,253,.98); border-bottom: 1px solid var(--line); padding: 8px 24px 16px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-links .lang-toggle { margin-top: 12px; align-self: flex-start; }
  .nav-toggle { display: grid; place-items: center; margin-left: auto; width: 38px; height: 38px; background: none; border: none; cursor: pointer; }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; display: block; width: 20px; height: 2px; background: var(--ink); position: relative; }
  .nav-toggle span::before { position: absolute; top: -6px; } .nav-toggle span::after { position: absolute; top: 6px; }
  section { padding: 60px 0; }
  .hero { padding: 60px 0 48px; }
  .tile { min-height: auto; }
  .urgent { padding: 30px 24px; }
}
@media (max-width: 520px) {
  .trust { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
}

.form-sent { background: #f0f8f1; border: 1px solid #c8e6cd; color: #1a7f37; border-radius: 12px; padding: 12px 16px; font-size: 15px; margin-bottom: 14px; }
.pd-notice { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200; max-width: 880px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-md); padding: 14px 18px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--ink-soft); }
.pd-notice a { color: var(--accent); }
.pd-notice button { margin-left: auto; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 999px; padding: 8px 18px; font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; }
@media (max-width: 560px) { .pd-notice button { margin-left: 0; width: 100%; } }

.faq { max-width: 820px; margin: 0 auto; }
.faq-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item h3 { font-size: 19px; letter-spacing: -0.01em; margin-bottom: 8px; }
.faq-item p { color: var(--ink-soft); line-height: 1.6; font-size: 16px; }

.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 920px; margin: 0 auto; }
.team-card { background: var(--bg-tint); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 32px; text-align: center; }
.team-avatar { width: 168px; height: 168px; display: block; margin: 0 auto 20px; border-radius: 50%; object-fit: cover; }
.team-card h3 { font-size: 22px; letter-spacing: -0.02em; }
.team-role { color: var(--accent); font-size: 14px; font-weight: 600; margin: 6px 0 16px; }
.team-card p { color: var(--ink-soft); line-height: 1.6; font-size: 15px; text-align: left; }
.team-note { max-width: 820px; margin: 30px auto 0; background: #eef4fb; border: 1px solid #d4e3f5; border-radius: var(--radius); padding: 20px 24px; color: var(--ink); font-size: 16px; line-height: 1.55; text-align: center; }
@media (max-width: 760px) { .team-grid { grid-template-columns: 1fr; } }

.sec-head.oneline { max-width: none; }
.sec-head.oneline h2 { font-size: clamp(21px, 2.8vw, 34px); }