/* ============================================================
   Hearback — brand layer over Bootstrap 5.3
   Evergreen depth + a vermilion "signal" + a fresh mint tick.
   Space Grotesk (display) · Inter (body) · JetBrains Mono (data)
   ============================================================ */

:root {
  --paper:#F2F5F0; --paper-2:#E7EEE4; --forest:#0C2420; --forest-2:#112B26;
  --ink:#14302B; --ink-2:#3A4C43; --muted:#6B7A70; --line:#D7DED4;
  --line-dark:rgba(255,255,255,.12); --signal:#FF5A3C; --signal-ink:#C43E1E;
  --mint:#7FE0C2; --bubble-in:#E6ECE4; --white:#FCFDFB;
  --fs-display:"Space Grotesk",system-ui,sans-serif;
  --fs-body:"Inter",system-ui,sans-serif;
  --fs-mono:"JetBrains Mono",ui-monospace,monospace;
  --nav-h:66px;
}

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--fs-body); font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
::selection { background:var(--signal); color:#fff; }
.container { max-width: 1180px; }
a { color:inherit; }

.skip { position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--paper); padding:10px 16px; border-radius:0 0 8px 0; z-index:2000; }
.skip:focus { left:0; }
:focus-visible { outline:3px solid var(--signal); outline-offset:3px; border-radius:5px; }

.hero-grain { position:absolute; inset:0; pointer-events:none; opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- shared bits ---------- */
.pill { display:inline-block; font-family:var(--fs-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--signal-ink); background:color-mix(in srgb, var(--signal) 12%, transparent); border:1px solid color-mix(in srgb,var(--signal) 28%,transparent); padding:6px 13px; border-radius:999px; margin-bottom:20px; }
.pill-mint { color:#0c2420; background:color-mix(in srgb,var(--mint) 30%,transparent); border-color:color-mix(in srgb,var(--mint) 55%,transparent); }
.section-head { margin-bottom:46px; }
.section-h { font-family:var(--fs-display); font-weight:600; letter-spacing:-0.025em; font-size:clamp(27px,3.5vw,40px); line-height:1.1; margin:0 0 6px; }
.section-head .section-h { margin-left:auto; margin-right:auto; max-width:24ch; }
.fineprint { font-family:var(--fs-mono); font-size:12.5px; color:var(--muted); }
.text-muted-ink { color:var(--ink-2); }
.signal { color:var(--signal); }

/* ---------- buttons ---------- */
.btn-signal { background:var(--signal); color:#fff; border:0; border-radius:999px; font-family:var(--fs-display); font-weight:600; letter-spacing:-0.01em; font-size:16px; padding:11px 22px; box-shadow:0 8px 24px -10px rgba(255,90,60,.7); transition:transform .16s ease, background .16s ease, box-shadow .16s ease; }
.btn-signal:hover, .btn-signal:focus { background:var(--signal-ink); color:#fff; transform:translateY(-2px); box-shadow:0 14px 30px -12px rgba(255,90,60,.75); }
.btn-signal:active { transform:translateY(0); }
.btn-xl { padding:15px 30px; font-size:17px; }
.btn-block-x { width:100%; padding:16px; font-size:17px; margin-top:4px; }
.link-arrow { font-family:var(--fs-mono); font-size:14px; text-decoration:none; border-bottom:1px solid transparent; padding-bottom:2px; transition:border-color .15s; }
.link-arrow:hover { border-bottom-color:currentColor; }

/* ---------- wordmark ---------- */
.wordmark { display:inline-flex; align-items:center; gap:9px; font-family:var(--fs-display); font-weight:700; font-size:21px; letter-spacing:-0.03em; text-decoration:none; }
.wordmark-dot { width:11px; height:11px; border-radius:50%; background:var(--signal); box-shadow:0 0 0 4px rgba(255,90,60,.18); }

/* ---------- navbar ---------- */
.site-nav { padding:11px 0; transition:background .3s, border-color .3s, box-shadow .3s; }
.site-nav .navbar-brand { padding:0; margin:0; }
.site-nav .nav-link { font-family:var(--fs-body); font-weight:500; font-size:15px; padding:8px 14px; transition:color .15s; }
.site-nav .nav-link:hover { color:var(--signal-ink); }
.navbar-toggler { border:0; padding:6px 4px; }
.navbar-toggler:focus { box-shadow:none; outline:none; }
.toggler-bar { display:block; width:24px; height:2px; background:currentColor; margin:5px 0; border-radius:2px; transition:background .3s; }

/* solid state (scrolled, or any non-home page) */
.site-nav.is-scrolled, body:not(.home) .site-nav { background:color-mix(in srgb,var(--paper) 92%,transparent); backdrop-filter:blur(12px); border-bottom:1px solid var(--line); }
.site-nav.is-scrolled .wordmark, body:not(.home) .site-nav .wordmark { color:var(--ink); }
.site-nav.is-scrolled .nav-link, body:not(.home) .site-nav .nav-link { color:var(--ink-2); }
.site-nav.is-scrolled .navbar-toggler, body:not(.home) .site-nav .navbar-toggler { color:var(--ink); }
/* transparent over dark hero (home, top) */
body.home .site-nav:not(.is-scrolled) { background:transparent; }
body.home .site-nav:not(.is-scrolled) .wordmark { color:var(--paper); }
body.home .site-nav:not(.is-scrolled) .nav-link { color:rgba(255,255,255,.82); }
body.home .site-nav:not(.is-scrolled) .nav-link:hover { color:#fff; }
body.home .site-nav:not(.is-scrolled) .navbar-toggler { color:var(--paper); }

@media (max-width: 991.98px) {
  .site-nav .navbar-collapse { margin-top:12px; padding:14px 16px; border-radius:16px; background:var(--forest-2); border:1px solid var(--line-dark); }
  .site-nav.is-scrolled .navbar-collapse { background:var(--white); border:1px solid var(--line); }
  .site-nav .navbar-collapse .nav-link { color:rgba(255,255,255,.9); padding:9px 4px; }
  .site-nav.is-scrolled .navbar-collapse .nav-link { color:var(--ink-2); }
  .site-nav .navbar-collapse .btn-signal { margin-top:8px; }
}

/* ===================== HERO ===================== */
.hero { position:relative; overflow:hidden; background:radial-gradient(120% 120% at 80% 0%, var(--forest-2), var(--forest) 60%); color:var(--paper); padding:clamp(132px,16vw,184px) 0 clamp(64px,9vw,104px); }
.hero-bg { position:absolute; inset:0; pointer-events:none; }
.hero-lines { position:absolute; inset:0; opacity:.5; background-image:linear-gradient(rgba(127,224,194,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(127,224,194,.06) 1px,transparent 1px); background-size:58px 58px; -webkit-mask-image:radial-gradient(120% 90% at 70% 10%,#000 35%,transparent 80%); mask-image:radial-gradient(120% 90% at 70% 10%,#000 35%,transparent 80%); }
.hero-glow { position:absolute; border-radius:50%; filter:blur(80px); opacity:.55; }
.hero-glow-1 { width:460px; height:460px; right:-60px; top:-120px; background:radial-gradient(circle,rgba(255,90,60,.55),transparent 70%); }
.hero-glow-2 { width:420px; height:420px; left:-120px; bottom:-160px; background:radial-gradient(circle,rgba(127,224,194,.4),transparent 70%); }
.hero .container { position:relative; }
.hero .pill { color:#0c2420; }
.hero-copy h1 { font-family:var(--fs-display); font-weight:700; letter-spacing:-0.04em; font-size:clamp(44px,7vw,80px); line-height:0.97; margin:0 0 22px; }
.lede { font-size:clamp(17px,1.5vw,20px); color:rgba(255,255,255,.82); margin:0 0 30px; max-width:46ch; }
.hero-actions { display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.hero .link-arrow { color:rgba(255,255,255,.85); }
.hero-chips { list-style:none; display:flex; flex-wrap:wrap; gap:10px; margin:30px 0 0; padding:0; }
.hero-chips li { font-family:var(--fs-mono); font-size:12.5px; color:rgba(255,255,255,.85); padding:7px 14px; border:1px solid var(--line-dark); border-radius:999px; background:rgba(255,255,255,.03); }
.hero-chips li::before { content:"✓ "; color:var(--mint); }

/* phone */
.hero-demo { display:flex; justify-content:center; }
.phone { position:relative; width:100%; max-width:360px; animation:float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform:translateY(0) rotate(-1.4deg); } 50% { transform:translateY(-12px) rotate(-1.4deg); } }
@media (prefers-reduced-motion: reduce) { .phone { animation:none; } }
.phone-glow { position:absolute; inset:-10% -8%; background:radial-gradient(circle at 50% 40%,rgba(255,90,60,.45),rgba(127,224,194,.18) 45%,transparent 70%); filter:blur(36px); z-index:0; }
.phone-frame { position:relative; z-index:1; background:var(--white); border-radius:30px; overflow:hidden; border:1px solid rgba(255,255,255,.5); box-shadow:0 40px 80px -32px rgba(0,0,0,.6), 0 0 0 8px rgba(12,36,32,.55); }
.phone-status { display:flex; align-items:center; justify-content:space-between; padding:11px 22px 6px; font-family:var(--fs-mono); font-size:12px; color:var(--ink); }
.ps-icons { display:inline-flex; gap:4px; align-items:center; }
.ps-icons i { width:5px; height:9px; background:var(--ink); border-radius:1px; opacity:.8; }
.ps-icons i:nth-child(2) { height:7px; } .ps-icons i:nth-child(3) { height:11px; }
.demo-head { display:flex; align-items:center; gap:10px; padding:8px 16px 12px; border-bottom:1px solid var(--line); }
.chev { font-size:22px; color:var(--signal); line-height:1; margin-right:-2px; }
.avatar { width:32px; height:32px; border-radius:50%; background:var(--ink); color:var(--paper); display:grid; place-items:center; font-family:var(--fs-display); font-weight:600; font-size:12px; }
.demo-id { display:flex; flex-direction:column; line-height:1.2; }
.demo-title { font-family:var(--fs-display); font-weight:600; font-size:15px; color:var(--ink); }
.live { display:inline-flex; align-items:center; gap:5px; font-family:var(--fs-mono); font-size:10.5px; color:var(--muted); }
.live-dot { width:6px; height:6px; border-radius:50%; background:var(--mint); animation:pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow:0 0 0 0 rgba(127,224,194,.6); } 50% { box-shadow:0 0 0 5px rgba(127,224,194,0); } }
.demo-thread { padding:16px; display:flex; flex-direction:column; gap:11px; min-height:286px; }
.ev { display:flex; align-items:center; gap:9px; font-size:12.5px; color:var(--ink-2); background:var(--paper); border-radius:11px; padding:9px 12px; }
.ev-time { margin-left:auto; font-family:var(--fs-mono); font-size:10.5px; color:var(--muted); }
.ev-time span { text-transform:uppercase; }
.missed-ic { color:var(--signal); font-size:16px; line-height:1; }
.ev-handoff { background:color-mix(in srgb,var(--mint) 24%,var(--paper)); color:var(--ink); }
.check { display:inline-grid; place-items:center; width:18px; height:18px; border-radius:50%; background:var(--ink); color:#fff; font-size:11px; }
.bubble { max-width:86%; padding:10px 14px; border-radius:17px; font-size:14.5px; line-height:1.45; }
.bubble-text { margin:0; }
.bubble-meta { display:block; margin-top:6px; font-family:var(--fs-mono); font-size:10px; opacity:.65; }
.bubble.out { align-self:flex-end; background:var(--ink); color:var(--paper); border-bottom-right-radius:5px; }
.bubble.in { align-self:flex-start; background:var(--bubble-in); color:var(--ink); border-bottom-left-radius:5px; }
.phone-bar { display:flex; align-items:center; justify-content:center; gap:10px; padding:13px; border-top:1px solid var(--line); background:var(--paper); }
.phone-input { font-family:var(--fs-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }
.foot-timer { font-family:var(--fs-mono); font-weight:500; font-size:18px; color:var(--signal-ink); }
.typing { display:none; gap:4px; }
.typing i { width:6px; height:6px; border-radius:50%; background:currentColor; opacity:.5; animation:blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay:.2s; } .typing i:nth-child(3) { animation-delay:.4s; }
@keyframes blink { 0%,60%,100% { opacity:.25; } 30% { opacity:.9; } }
.js-anim .demo-thread > [data-step] { opacity:0; transform:translateY(8px); }
.js-anim .demo-thread > .is-shown { opacity:1; transform:none; transition:opacity .4s ease, transform .4s ease; }
.js-anim .demo-thread > .is-typing .typing { display:inline-flex; }
.js-anim .demo-thread > .is-typing .bubble-text, .js-anim .demo-thread > .is-typing .bubble-meta { display:none; }

/* ===================== STAT STRIP ===================== */
.stat-strip { background:var(--forest); color:var(--paper); padding:30px 0; border-top:1px solid var(--line-dark); }
.stat { display:flex; flex-direction:column; gap:4px; }
.stat-num { font-family:var(--fs-display); font-weight:700; font-size:clamp(26px,3.2vw,34px); color:#fff; letter-spacing:-0.02em; }
.stat-label { font-family:var(--fs-mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:rgba(255,255,255,.6); }

/* ===================== PROBLEM BAND ===================== */
.band { position:relative; overflow:hidden; background:var(--forest-2); color:var(--paper); padding:clamp(64px,9vw,104px) 0; }
.band-bg { position:absolute; inset:0; }
.band-inner { position:relative; }
.band .pill { color:#0c2420; }
.band-statement { font-family:var(--fs-display); font-weight:600; letter-spacing:-0.025em; font-size:clamp(28px,4.2vw,48px); line-height:1.08; margin:0; }
.band .u { color:var(--signal); }
.leak { border:1px solid var(--line-dark); border-radius:16px; padding:24px; height:100%; background:rgba(255,255,255,.02); }
.leak-num { font-family:var(--fs-mono); font-size:13px; color:var(--mint); }
.leak h3 { font-family:var(--fs-display); font-weight:600; font-size:19px; margin:10px 0 8px; }
.leak p { margin:0; color:rgba(255,255,255,.72); font-size:15px; }

/* ===================== SECTIONS ===================== */
.section { padding:clamp(64px,9vw,108px) 0; }
.section-tint { background:var(--paper-2); }

/* steps */
.step { background:var(--white); border:1px solid var(--line); border-radius:16px; padding:24px 22px 26px; height:100%; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.step:hover { transform:translateY(-4px); box-shadow:0 22px 44px -28px rgba(20,48,43,.5); border-color:color-mix(in srgb,var(--signal) 40%,var(--line)); }
.step-ic { display:inline-grid; place-items:center; width:44px; height:44px; border-radius:12px; background:color-mix(in srgb,var(--mint) 26%,var(--paper)); color:var(--ink); }
.step-ic svg { width:22px; height:22px; }
.step-num { display:block; font-family:var(--fs-mono); font-size:12.5px; color:var(--signal-ink); margin:16px 0 0; }
.step h3 { font-family:var(--fs-display); font-weight:600; font-size:18px; margin:6px 0 8px; letter-spacing:-0.015em; }
.step p { margin:0; font-size:14.5px; color:var(--ink-2); }

/* features */
.feature { background:var(--white); border:1px solid var(--line); border-radius:16px; padding:28px 24px; height:100%; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.feature:hover { transform:translateY(-4px); box-shadow:0 22px 44px -28px rgba(20,48,43,.45); border-color:color-mix(in srgb,var(--signal) 35%,var(--line)); }
.feature-ic { display:inline-grid; place-items:center; width:48px; height:48px; border-radius:13px; background:var(--ink); color:var(--mint); margin-bottom:16px; }
.feature-ic svg { width:24px; height:24px; }
.feature h3 { font-family:var(--fs-display); font-weight:600; font-size:19px; margin:0 0 8px; letter-spacing:-0.015em; }
.feature p { margin:0; font-size:15px; color:var(--ink-2); }

/* comparison */
.compare { border-radius:18px; padding:28px; height:100%; border:1px solid var(--line); }
.compare-tag { display:inline-block; font-family:var(--fs-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; margin-bottom:16px; padding:5px 12px; border-radius:999px; }
.compare ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:14px; }
.compare li { display:flex; align-items:flex-start; gap:12px; font-size:16px; }
.compare-bad { background:var(--white); }
.compare-bad .compare-tag { color:var(--signal-ink); background:color-mix(in srgb,var(--signal) 12%,transparent); }
.compare-bad .x { color:var(--signal); font-weight:700; }
.compare-good { background:var(--ink); color:var(--paper); border-color:transparent; }
.compare-good .compare-tag { color:#0c2420; background:var(--mint); }
.compare-good .c { color:var(--mint); font-weight:700; }

/* who / tags */
.tags { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:10px; }
.tags li { font-family:var(--fs-mono); font-size:13px; color:var(--ink); background:var(--white); border:1px solid var(--line); border-radius:999px; padding:9px 16px; transition:transform .15s, border-color .15s, color .15s; }
.tags li:hover { transform:translateY(-2px); border-color:var(--signal); color:var(--signal-ink); }

/* faq accordion (override bootstrap) */
.hb-accordion { --bs-accordion-bg:transparent; --bs-accordion-border-color:var(--line); --bs-accordion-active-bg:transparent; --bs-accordion-active-color:var(--ink); --bs-accordion-btn-color:var(--ink); --bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(255,90,60,.16); --bs-accordion-btn-focus-border-color:var(--signal); --bs-accordion-border-radius:14px; }
.hb-accordion .accordion-item { margin-bottom:12px; border:1px solid var(--line); border-radius:14px !important; overflow:hidden; background:var(--white); }
.hb-accordion .accordion-button { font-family:var(--fs-display); font-weight:600; font-size:17px; letter-spacing:-0.01em; color:var(--ink); padding:20px 22px; background:var(--white); }
.hb-accordion .accordion-button:not(.collapsed) { color:var(--signal-ink); box-shadow:none; }
.hb-accordion .accordion-button:focus { border-color:var(--signal); }
.hb-accordion .accordion-button::after { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2314302B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); }
.hb-accordion .accordion-button:not(.collapsed)::after { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23FF5A3C' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); }
.hb-accordion .accordion-body { padding:2px 22px 22px; color:var(--ink-2); font-size:15.5px; }

/* contact */
.section-contact { background:var(--forest); color:var(--paper); position:relative; }
.section-contact .text-light-h { color:var(--paper); }
.section-contact .pill { color:#0c2420; }
.contact-lede { color:rgba(255,255,255,.8); }
.contact-direct { color:rgba(255,255,255,.7); font-size:15px; }
.contact-direct a { color:var(--mint); }
.form { background:var(--white); border:1px solid var(--line); border-radius:18px; padding:30px; box-shadow:0 30px 60px -34px rgba(0,0,0,.6); }
.field { margin-bottom:4px; }
.field label { display:block; font-size:14px; font-weight:600; margin-bottom:7px; color:var(--ink); }
.opt { font-weight:400; color:var(--muted); }
.field input, .field textarea { width:100%; font:inherit; font-size:15px; color:var(--ink); background:var(--paper); border:1px solid var(--line); border-radius:11px; padding:12px 14px; transition:border-color .15s, box-shadow .15s; }
.field textarea { resize:vertical; }
.field input:focus, .field textarea:focus { outline:none; border-color:var(--signal); box-shadow:0 0 0 3px rgba(255,90,60,.16); }
.consent { display:flex; gap:11px; align-items:flex-start; margin:18px 0 18px; font-size:12.5px; line-height:1.5; color:var(--muted); }
.consent input { margin-top:3px; flex:none; width:17px; height:17px; accent-color:var(--signal); }
.consent a { color:var(--signal-ink); }
.form-status { margin:14px 0 0; font-size:14px; min-height:1.2em; color:var(--ink-2); }
.form-status.ok { color:var(--ink); font-weight:600; }

/* ===================== FOOTER ===================== */
.site-foot { background:var(--forest); color:rgba(255,255,255,.78); border-top:1px solid var(--line-dark); }
.foot-top { display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; padding:clamp(40px,6vw,60px) 0; border-bottom:1px solid var(--line-dark); }
.foot-cta { font-family:var(--fs-display); font-weight:600; font-size:clamp(22px,3vw,32px); letter-spacing:-0.02em; color:var(--paper); margin:0; max-width:18ch; }
.foot-cols { padding:48px 0 36px; }
.site-foot .wordmark { color:var(--paper); }
.foot-brand p { margin:14px 0 0; font-size:14px; color:rgba(255,255,255,.6); max-width:38ch; }
.site-foot h4 { font-family:var(--fs-display); font-weight:600; font-size:14px; letter-spacing:.04em; text-transform:uppercase; color:rgba(255,255,255,.5); margin:0 0 14px; }
.foot-links { list-style:none; margin:0; padding:0; }
.foot-links li { margin-bottom:9px; }
.foot-links a, .foot-meta a { text-decoration:none; color:rgba(255,255,255,.82); }
.foot-links a:hover, .foot-meta a:hover { color:#fff; }
.foot-meta p { margin:0 0 7px; font-size:14px; }
.foot-legal a { border-bottom:1px solid rgba(255,90,60,.6); padding-bottom:1px; }
.copyright { font-family:var(--fs-mono); font-size:12px; color:rgba(255,255,255,.45); margin:0; padding:18px 0 30px; border-top:1px solid var(--line-dark); }

/* ===================== LEGAL PAGES ===================== */
.legal { padding:clamp(112px,13vw,150px) 0 84px; }
.legal-wrap { max-width:760px; margin:0 auto; }
.legal h1 { font-family:var(--fs-display); font-weight:700; letter-spacing:-0.03em; font-size:clamp(34px,5vw,48px); margin:14px 0 10px; }
.legal .updated { font-family:var(--fs-mono); font-size:13px; color:var(--muted); margin:0 0 36px; }
.legal h2 { font-family:var(--fs-display); font-weight:600; font-size:22px; letter-spacing:-0.01em; margin:40px 0 12px; }
.legal h3 { font-family:var(--fs-display); font-weight:600; font-size:17px; margin:24px 0 8px; }
.legal p, .legal li { color:var(--ink-2); font-size:16px; }
.legal ul { padding-left:22px; }
.legal li { margin-bottom:7px; }
.legal a { color:var(--signal-ink); }
.legal .callout { background:var(--paper-2); border-left:3px solid var(--signal); padding:16px 18px; border-radius:0 10px 10px 0; margin:22px 0; font-size:15px; }
.back-link { font-family:var(--fs-mono); font-size:13px; text-decoration:none; color:var(--ink-2); }
.back-link:hover { color:var(--signal-ink); }

/* ===================== SCROLL REVEAL ===================== */
.reveal { opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 991.98px) {
  .hero-demo { margin-top:8px; }
}
@media (max-width: 575.98px) {
  body { font-size:16px; }
  .form { padding:22px; }
  .foot-top { flex-direction:column; align-items:flex-start; }
}