/* ============================================================
   idiomly landing page styles (static page served at /idiomly)
   paper/ink neutral base · one disciplined ink-blue accent ·
   type: Caveat (brand script) + Bricolage Grotesque (display) +
         system-ui / -apple-system (native body) + ui-monospace (utility)
   ============================================================ */

/* ---------- Design tokens ---------- */
:root{
  --paper:      #F3F4F1;
  --paper-2:    #ECEDE8;
  --card:       #FFFFFF;
  --ink:        #191A1D;
  --ink-soft:   #565762;
  --ink-faint:  #8A8B93;
  --line:       #E2E3DD;
  --accent:     #2743D6;
  --accent-2:   #526BF0;
  --deep:       #131A33;
  --deep-2:     #1C2650;
  --deep-soft:  #AEB5D6;
  --deep-line:  rgba(255,255,255,.12);

  --wrap: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --radius-lg: 26px;

  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Bricolage Grotesque", var(--font-body);
  --font-script: "Caveat", "Segoe Script", cursive;
  --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }

:focus-visible{
  outline:2.5px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }

/* ---------- Type scale ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-faint);
  margin:0 0 18px;
  display:inline-flex; align-items:center; gap:9px;
}
h1,h2,h3{ font-family:var(--font-display); font-weight:600; letter-spacing:-.02em; line-height:1.04; margin:0; }
h1{ font-size:clamp(2.2rem, 6.2vw, 4.5rem); font-weight:700; letter-spacing:-.035em; }
h2{ font-size:clamp(2rem, 4.4vw, 3.2rem); }
h3{ font-size:1.28rem; letter-spacing:-.01em; }
p{ margin:0; }

.lede{ font-size:clamp(1.06rem, 1.7vw, 1.32rem); color:var(--ink-soft); line-height:1.55; }

/* ---------- Wordmark ---------- */
.wordmark{
  font-family:var(--font-script);
  font-weight:700;
  font-size:1.85rem;
  line-height:1;
  letter-spacing:.01em;
  color:var(--ink);
  padding-bottom:2px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--font-body); font-size:1rem; font-weight:600;
  padding:13px 22px; border-radius:999px; border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn--primary{ background:var(--accent); color:#fff; box-shadow:0 1px 0 rgba(0,0,0,.04), 0 10px 24px -12px rgba(39,67,214,.6); }
.btn--primary:hover{ background:var(--accent-2); transform:translateY(-1px); }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn--ghost:hover{ border-color:var(--ink-faint); transform:translateY(-1px); }
.btn--ondark{ background:#fff; color:var(--deep); }
.btn--ondark:hover{ background:#eef0ff; transform:translateY(-1px); }
.btn .apple{ width:16px; height:16px; margin-top:-2px; }

/* ---------- Offline chip ---------- */
.chip-offline{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-soft); background:var(--card);
  border:1px solid var(--line); border-radius:999px; padding:7px 13px;
}
.dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 0 rgba(39,67,214,.45); animation:pulse 2.6s ease-out infinite; }
@keyframes pulse{ 0%{ box-shadow:0 0 0 0 rgba(39,67,214,.45);} 70%{ box-shadow:0 0 0 7px rgba(39,67,214,0);} 100%{ box-shadow:0 0 0 0 rgba(39,67,214,0);} }
@media (prefers-reduced-motion: reduce){ .dot{ animation:none; } }

/* ---------- Header (Mirach chrome: warm ivory bar, serif Mirach.
   logo + idiomly wordmark; matches src/pages/Home.tsx header) ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(248,244,237,.78);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid #EFE7D7;
  transition:border-color .25s ease, background .25s ease;
}
.site-header.scrolled{ border-bottom-color:#E6DAC4; }
.nav{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:24px; }
.nav__brand{ display:flex; align-items:center; gap:12px; }
.mh-logo{
  font-family:'Fraunces', Georgia, 'Times New Roman', serif;
  font-size:23px; font-weight:500; letter-spacing:.02em; color:#211B12;
  display:inline-flex; align-items:baseline; gap:2px;
}
.mh-logo .mh-dot{ color:#A87C39; }
.mh-sep{ width:1px; height:22px; background:#E6DAC4; }
.nav__brand .wordmark{ font-size:1.55rem; padding-bottom:0; }
.nav__links{ display:flex; align-items:center; gap:30px; }
.nav__links a{ font-size:.96rem; color:var(--ink-soft); transition:color .18s ease; }
.nav__links a:hover{ color:var(--ink); }
.nav__links a.nav__cta, .nav__links a.nav__cta:hover{ color:#fff; }
.nav__cta{ padding:10px 18px; font-size:.95rem; }
@media (max-width: 760px){ .nav__links a:not(.nav__cta){ display:none; } }
@media (max-width: 480px){
  .nav{ height:62px; gap:14px; }
  .wordmark{ font-size:1.5rem; }
  .nav__cta{ padding:9px 15px; font-size:.9rem; }
}

/* ---------- Section rhythm ---------- */
.section{ padding-block:clamp(72px, 11vw, 132px); }
.section--tight{ padding-block:clamp(56px, 8vw, 96px); }

/* ---------- Hero ---------- */
.hero{ padding-top:clamp(48px, 8vw, 84px); padding-bottom:clamp(40px, 7vw, 72px); }
.hero__grid{ display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(36px, 5vw, 72px); align-items:center; }
.hero__copy{ max-width:560px; }
.hero h1{ margin:6px 0 22px; }
.hero h1 em{ font-style:normal; color:var(--accent); }
.hero__tagline{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.15rem, 1.9vw, 1.5rem); letter-spacing:-.005em; line-height:1.1;
  color:var(--ink); margin:0 0 14px;
}
.hero__tagline i{ color:var(--accent); font-style:normal; }
.hero .lede{ max-width:500px; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.hero__trust{
  margin-top:30px; padding-top:22px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:10px 22px;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.03em; color:var(--ink-soft);
}
.hero__trust span{ display:inline-flex; align-items:center; gap:8px; }
.hero__trust span::before{ content:""; width:5px; height:5px; border-radius:50%; background:var(--accent); }

.hero__media{ width:173%; }
@media (max-width: 900px){
  .hero__grid{ grid-template-columns:1fr; }
  .hero__copy{ max-width:640px; }
  .hero__media{ width:100%; }
}

/* ---------- The "your Mac" boundary / app frame (signature) ---------- */
.machine{
  position:relative;
  padding:22px;
  border:1.5px dashed var(--line);
  border-radius:var(--radius-lg);
}
.machine::before{
  content:"on your machine";
  position:absolute; top:-11px; left:26px;
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-faint); background:var(--paper); padding:0 9px;
}
.machine .chip-offline{ position:absolute; right:16px; top:-16px; }

/* app window mock (screenshot placeholder) */
.appwin{
  background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(20,27,51,.28), 0 8px 18px -12px rgba(20,27,51,.18);
}
.appwin__bar{ display:flex; align-items:center; gap:8px; padding:12px 14px; border-bottom:1px solid var(--line); background:linear-gradient(#fbfbfa,#f4f4f2); }
.appwin__bar .lights{ display:flex; gap:7px; }
.appwin__bar .lights i{ width:11px; height:11px; border-radius:50%; display:block; }
.l-red{ background:#ff5f57; } .l-yellow{ background:#febc2e; } .l-green{ background:#28c840; }
.appwin__bar .title{ flex:1; text-align:center; font-family:var(--font-script); font-size:1.15rem; color:var(--ink-soft); margin-right:44px; }
.ph{
  display:grid; place-content:center; gap:8px; text-align:center;
  color:var(--ink-faint);
  background:
    linear-gradient(0deg, rgba(39,67,214,.02), rgba(39,67,214,.02)),
    repeating-linear-gradient(135deg, #f7f7f5 0 14px, #f1f1ee 14px 28px);
}
.ph .ph__label{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; }
.ph .ph__hint{ font-size:13px; color:var(--ink-faint); max-width:34ch; }
.ph svg{ opacity:.5; }
.appwin .ph{ aspect-ratio:16/11; }

/* ---------- Feature cards ---------- */
.band{ background:var(--paper-2); border-block:1px solid var(--line); }
.section-head{ max-width:640px; margin-bottom:clamp(38px, 5vw, 56px); }
.section-head .lede{ margin-top:16px; }

.features{ display:grid; grid-template-columns:repeat(2, 1fr); gap:20px; }
.feature{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px 30px 32px; transition:transform .2s ease, box-shadow .25s ease, border-color .2s ease;
}
.feature:hover{ transform:translateY(-3px); box-shadow:0 22px 44px -30px rgba(20,27,51,.4); border-color:#d8d9d2; }
.feature__icon{
  width:46px; height:46px; border-radius:12px; display:grid; place-content:center;
  background:rgba(39,67,214,.08); color:var(--accent); margin-bottom:20px;
}
.feature__icon svg{ width:24px; height:24px; }
.feature h3{ margin-bottom:10px; }
.feature p{ color:var(--ink-soft); font-size:1rem; }
.feature__tag{ margin-top:18px; font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); }
@media (max-width: 720px){ .features{ grid-template-columns:1fr; } }

/* ---------- Spotlight rows ---------- */
.spot{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px, 5vw, 68px); align-items:center; }
.spot + .spot{ margin-top:clamp(56px, 8vw, 104px); }
.spot--flip .spot__media{ order:-1; }
.spot__copy{ max-width:480px; }
.spot__copy .eyebrow{ margin-bottom:16px; }
.spot__copy h3{ font-size:clamp(1.5rem, 2.6vw, 2rem); margin-bottom:16px; }
.spot__copy p{ color:var(--ink-soft); }
.spot__media .appwin .ph{ aspect-ratio:4/3; }
.spot__media--bleed{ width:170%; }
@media (max-width: 820px){
  .spot{ grid-template-columns:1fr; }
  .spot--flip .spot__media{ order:0; }
  .spot__media--bleed{ width:100%; }
}

/* tone chip cloud */
.tonecard{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 26px 28px; box-shadow:0 26px 50px -34px rgba(20,27,51,.42);
}
.tonecard__head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:18px; }
.tonecard__label{ font-family:var(--font-script); font-size:1.5rem; color:var(--ink); line-height:1; }
.tonecard__count{ font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); }
.tonecloud{ display:flex; flex-wrap:wrap; gap:9px; }
.tonechip{
  font-size:.9rem; line-height:1; padding:9px 14px; border-radius:999px;
  border:1px solid var(--line); background:#fff; color:var(--ink-soft);
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.tonechip:hover{ background:rgba(39,67,214,.08); color:var(--accent); border-color:rgba(39,67,214,.22); transform:translateY(-1px); }
.tonechip--on{ background:var(--accent); color:#fff; border-color:var(--accent); }
.tonechip--on:hover{ background:var(--accent); color:#fff; }
.tonechip--more{ background:transparent; color:var(--accent); border-color:rgba(39,67,214,.3); font-weight:600; }

/* ---------- Privacy (deep band) ---------- */
.privacy{ background:radial-gradient(120% 140% at 80% 0%, var(--deep-2), var(--deep)); color:#fff; }
.privacy .eyebrow{ color:var(--deep-soft); }
.privacy h2{ max-width:16ch; }
.privacy__intro{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,56px); align-items:end; margin-bottom:clamp(40px,5vw,60px); }
.privacy__intro p{ color:var(--deep-soft); font-size:clamp(1.02rem,1.5vw,1.2rem); line-height:1.6; }
.promises{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--deep-line); border:1px solid var(--deep-line); border-radius:var(--radius); overflow:hidden; }
.promise{ background:linear-gradient(var(--deep-2),var(--deep-2)); padding:28px 28px 30px; }
.promise__check{ width:26px; height:26px; border-radius:50%; background:rgba(255,255,255,.1); display:grid; place-content:center; margin-bottom:16px; color:#fff; }
.promise__check svg{ width:14px; height:14px; }
.promise h3{ font-size:1.12rem; margin-bottom:8px; }
.promise p{ color:var(--deep-soft); font-size:.97rem; line-height:1.55; }
@media (max-width: 720px){ .privacy__intro, .promises{ grid-template-columns:1fr; } }

.privacy__extras{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:20px; }
.privacy__card{ border:1px solid var(--deep-line); border-radius:var(--radius); padding:26px 28px 28px; background:rgba(255,255,255,.03); }
.privacy__card .k{ display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:#A9B8FF; margin-bottom:12px; }
.privacy__card h3{ font-size:1.14rem; margin-bottom:10px; }
.privacy__card p{ color:var(--deep-soft); font-size:.98rem; line-height:1.6; }
.privacy__card strong{ color:#fff; font-weight:600; }
@media (max-width: 720px){ .privacy__extras{ grid-template-columns:1fr; } }

/* ---------- Watermark callout ---------- */
.clean{ text-align:center; }
.clean__inner{ max-width:720px; margin-inline:auto; }
.clean h2{ margin-bottom:20px; }
.clean .lede{ margin-inline:auto; max-width:560px; }
.clean__mark{
  display:inline-flex; align-items:center; gap:10px; margin-bottom:28px;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent);
  background:rgba(39,67,214,.07); border:1px solid rgba(39,67,214,.16); border-radius:999px; padding:8px 16px;
}

/* ---------- Download CTA ---------- */
.download{ text-align:center; }
.download .machine{ max-width:720px; margin:0 auto; padding:clamp(40px,6vw,64px) clamp(24px,5vw,56px); border-style:solid; border-color:var(--line); background:var(--card); }
.download .machine::before{ content:"nothing leaves this window"; background:var(--card); }
.download h2{ margin-bottom:16px; }
.download .lede{ max-width:460px; margin:0 auto 28px; }
.download__note{ margin-top:20px; font-family:var(--font-mono); font-size:12px; letter-spacing:.03em; color:var(--ink-faint); }

/* ---------- Scroll reveal ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ============================================================
   Standard Mirach footer — same markup/links as the marketing
   home page (src/pages/Home.tsx), re-tokened onto the warm
   Mirach palette and scoped under .mirach-foot so nothing leaks
   into the idiomly design above.
   ============================================================ */
.mirach-foot{
  --mf-bg:    #F8F4ED;  /* warm ivory canvas */
  --mf-ink:   #211B12;  /* espresso */
  --mf-muted: #5E5544;
  --mf-line:  #E6DAC4;

  background:var(--mf-bg);
  border-top:1px solid var(--mf-line);
  padding:40px 0;
  font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.mirach-foot .container{ width:100%; max-width:1180px; margin-inline:auto; padding-inline:clamp(20px, 5vw, 64px); }
.mirach-foot .foot-inner{ display:flex; align-items:flex-end; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.mirach-foot .foot-brand-col{ display:flex; flex-direction:column; align-items:flex-start; gap:10px; }
.mirach-foot .foot-brand-row{ display:flex; align-items:baseline; gap:14px; }
.mirach-foot .foot-wordmark{ font-size:1.5rem; color:var(--mf-ink); }
.mirach-foot .foot-legal{ font-size:13px; color:var(--mf-muted); transition:color .2s; }
.mirach-foot .foot-legal:hover{ color:var(--mf-ink); }
.mirach-foot .foot-inner .cr{ font-size:13px; color:var(--mf-muted); }
.mirach-foot .foot-links{ display:flex; flex-wrap:wrap; gap:10px 26px; list-style:none; margin:0; padding:0; }
.mirach-foot .foot-links a{ font-size:13px; color:var(--mf-muted); text-decoration:none; transition:color .2s; }
.mirach-foot .foot-links a:hover{ color:var(--mf-ink); }

/* ============================================================
   Legal page (/idiomly/legal) — behavior ported from
   TensorForge-web's /legal: hero + pill switcher + sticky
   scroll-spy TOC + numbered sections (CSS counters).
   ============================================================ */
.legal-hero{ padding-top:clamp(48px, 7vw, 80px); padding-bottom:clamp(36px, 5vw, 56px); }
.legal-hero-row{ display:flex; align-items:flex-end; justify-content:space-between; gap:28px 40px; flex-wrap:wrap; }
.legal-hero-copy{ max-width:600px; }
.legal-hero h1{ margin:6px 0 18px; font-size:clamp(2.2rem, 5vw, 3.6rem); }
.legal-chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.legal-chip{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-soft); background:var(--card); border:1px solid var(--line); border-radius:999px; padding:7px 13px;
}

.legal-switch{
  display:inline-flex; gap:4px; padding:4px;
  background:var(--card); border:1px solid var(--line); border-radius:999px;
}
.legal-switch a{
  font-size:.92rem; font-weight:600; color:var(--ink-soft);
  padding:9px 18px; border-radius:999px; white-space:nowrap;
  transition:background .18s ease, color .18s ease;
}
.legal-switch a:hover{ color:var(--ink); }
.legal-switch a.active{ background:var(--accent); color:#fff; }
.legal-switch a.active:hover{ color:#fff; }

.legal-body{ padding-bottom:clamp(72px, 10vw, 120px); }
.legal-grid{ display:grid; grid-template-columns:250px 1fr; gap:clamp(32px, 5vw, 72px); align-items:start; }

.legal-toc{ position:sticky; top:96px; }
.legal-toc .k{
  display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--ink-faint); margin-bottom:14px;
}
.legal-toc ol{ list-style:none; margin:0; padding:0; counter-reset:toc; display:flex; flex-direction:column; gap:2px; }
.legal-toc a{
  counter-increment:toc; display:block; padding:7px 10px; border-radius:8px;
  font-size:.92rem; color:var(--ink-soft);
  transition:background .18s ease, color .18s ease;
}
.legal-toc a::before{
  content:counter(toc, decimal-leading-zero);
  font-family:var(--font-mono); font-size:11px; color:var(--ink-faint); margin-right:10px;
}
.legal-toc a:hover{ color:var(--ink); background:var(--paper-2); }
.legal-toc a.active{ color:var(--accent); font-weight:600; background:rgba(39,67,214,.07); }

.legal-prose{ counter-reset:sec; max-width:720px; }
.legal-intro{ padding-bottom:clamp(24px, 3vw, 32px); }
.legal-intro p{ color:var(--ink-soft); margin-bottom:10px; }
.legal-prose section{
  counter-increment:sec;
  padding-block:clamp(26px, 4vw, 38px);
  border-top:1px solid var(--line);
  scroll-margin-top:96px;
}
.legal-prose h2{ font-size:clamp(1.35rem, 2.4vw, 1.75rem); margin-bottom:14px; }
.legal-prose h2::before{
  content:counter(sec, decimal-leading-zero) "  ·  ";
  font-family:var(--font-mono); font-size:.62em; font-weight:400;
  letter-spacing:.04em; color:var(--accent);
}
.legal-prose section p{ color:var(--ink-soft); margin-bottom:12px; }
.legal-prose section p:last-child{ margin-bottom:0; }
.legal-prose strong{ color:var(--ink); font-weight:600; }
.legal-prose a{ color:var(--accent); }
.legal-prose a:hover{ text-decoration:underline; }
.legal-prose ul{ margin:0 0 12px; padding-left:22px; color:var(--ink-soft); }
.legal-prose li{ margin-bottom:8px; }
.legal-prose li::marker{ color:var(--accent); }

@media (max-width: 900px){
  .legal-grid{ grid-template-columns:1fr; }
  .legal-toc{ position:static; }
  .legal-toc ol{ flex-direction:row; flex-wrap:wrap; gap:8px; }
  .legal-toc a{ border:1px solid var(--line); background:var(--card); border-radius:999px; padding:7px 14px; }
  .legal-toc a::before{ margin-right:7px; }
  .legal-toc a.active{ background:rgba(39,67,214,.07); border-color:rgba(39,67,214,.25); }
}

/* ============================================================
   Small screens (≤480px) — placed last so these overrides win
   over the base rules above at equal specificity.
   ============================================================ */
@media (max-width: 480px){
  .hero__actions .btn{ width:100%; justify-content:center; }
  .machine{ padding:16px; }
  .machine .chip-offline{ right:12px; }
  .download .machine{ padding:36px 20px; }
  .mirach-foot{ padding:32px 0; }
  .mirach-foot .foot-inner{ flex-direction:column; align-items:flex-start; gap:14px; }
}