/* =====================================================================
   SecretYes — public website ("Love letter" theme, v3.0)
   Landing, About, Safety, Contact, 404, Terms, Privacy.
   ===================================================================== */
:root{
  --paper:#FBF6EF;--card:#FFFDF9;--tint:#F6ECE3;--line:#E6D9CC;--line-2:#D9C5B4;
  --ink:#2E1A2C;--muted:#6B5763;--faint:#8C7682;--rose:#A8325A;--rose-2:#8C2449;--blush:#F4E3E6;
  --green:#2F7D5B;--danger:#B42340;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --shadow:0 1px 2px rgba(46,26,44,.04),0 8px 24px rgba(46,26,44,.06);
  --gutter:20px;--max:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--rose)}
img{max-width:100%;height:auto}
.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2.5px solid var(--rose);outline-offset:2px;border-radius:8px}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.4px;margin:0}
h1{font-size:clamp(38px,9vw,68px);line-height:1.04}
h1 em{font-style:italic;color:var(--rose)}
h2{font-size:clamp(28px,6vw,40px);line-height:1.12}
h3{font-size:21px;line-height:1.25}
.eyebrow,.kicker{display:inline-block;font-family:var(--sans);font-size:12.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--rose)}

/* ---------- Buttons ---------- */
.btn,.primary-cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border:0;border-radius:999px;font:600 16px/1 var(--sans);text-decoration:none;cursor:pointer;transition:background .15s,transform .12s}
.btn:active,.primary-cta:active{transform:scale(.98)}
.btn-lg{min-height:56px;padding:0 28px;font-size:17px}
.btn .ic,.primary-cta .ic{width:20px;height:20px}
.btn-rose,.primary-cta{background:var(--rose);color:#FFF6F0}
.btn-rose:hover,.primary-cta:hover{background:var(--rose-2)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn-ghost:hover{background:var(--tint)}
.primary-cta span{display:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;text-decoration:none}
.text-link .ic{width:18px;height:18px}
.pill{display:inline-flex;align-items:center;min-height:32px;padding:0 14px;border-radius:999px;background:var(--blush);color:var(--rose);font:700 13px/1 var(--sans);letter-spacing:.3px}

/* ---------- Seal ---------- */
.seal{width:52px;height:52px;border-radius:50%;background:var(--rose);color:#FFF6F0;display:grid;place-items:center;box-shadow:inset 0 0 0 3px rgba(255,255,255,.14),0 6px 16px rgba(168,50,90,.25);flex:none}
.seal .ic{width:24px;height:24px;stroke-width:2}
.seal-lg{width:72px;height:72px}.seal-lg .ic{width:32px;height:32px}
.logo{display:inline-flex;align-items:center;gap:0;font-family:var(--serif);font-style:italic;font-weight:500;font-size:24px;color:var(--ink);text-decoration:none;letter-spacing:-.2px}
.logo em{color:var(--rose)}
.logo-seal{margin-right:10px;width:32px;height:32px;border-radius:50%;background:var(--rose);color:#FFF6F0;display:grid;place-items:center}
.logo-seal .ic{width:16px;height:16px;stroke-width:2.2}
.logo.small{font-size:21px}

/* ---------- Header ---------- */
.marketing-header{position:sticky;top:0;z-index:50;background:rgba(251,246,239,.92);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--max);margin:0 auto;padding:10px var(--gutter);min-height:64px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav-wrap .logo{margin-right:auto}
.nav-wrap nav{display:none;order:4;width:100%;flex-direction:column;padding:8px 0 12px}
.nav-wrap nav a{min-height:48px;display:flex;align-items:center;color:var(--ink);text-decoration:none;font-weight:500;border-top:1px solid var(--line)}
.nav-wrap.open nav{display:flex}
.nav-cta{display:none}
.menu-btn{width:44px;height:44px;border:0;border-radius:50%;background:var(--tint);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}

/* ---------- Layout ---------- */
main{display:block}
.section{max-width:var(--max);margin:0 auto;padding:64px var(--gutter)}
.section-head{max-width:620px;margin-bottom:32px}
.section-head .eyebrow{margin-bottom:10px}
.section-head p{color:var(--muted);margin:12px 0 0}

/* ---------- Hero ---------- */
.hero{max-width:var(--max);margin:0 auto;padding:40px var(--gutter) 48px;display:grid;gap:40px}
.hero-copy .pill{margin-bottom:22px}
.lead{font-size:18px;line-height:1.6;color:var(--muted);margin:20px 0 0;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn{flex:1 1 200px}
.trust{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px}
.trust li{display:flex;align-items:center;gap:8px;font-size:15px}
.trust .ic{width:18px;height:18px;color:var(--rose)}
.hero-visual{position:relative;display:flex;flex-direction:column;gap:18px;padding:36px 0 0}
.demo-letter,.demo-sealed{border-radius:22px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line),var(--shadow)}
.demo-letter{position:relative;padding:40px 22px 24px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.demo-letter::before{content:"";position:absolute;inset:8px;border-radius:16px;border:1px dashed var(--line);pointer-events:none}
.demo-letter .seal{position:absolute;top:-26px;left:50%;margin-left:-26px;box-shadow:0 0 0 5px var(--paper),0 6px 16px rgba(168,50,90,.25)}
.demo-letter b{font-family:var(--serif);font-weight:500;font-size:24px;line-height:1.2}
.demo-letter small,.demo-sealed small{color:var(--muted);font-size:15px;line-height:1.5}
.demo-sealed{padding:18px;display:flex;align-items:center;gap:18px}
.demo-sealed svg{width:120px;flex:none}
.demo-sealed div{display:flex;flex-direction:column;gap:4px}
.demo-sealed b{font-family:var(--serif);font-weight:500;font-size:20px}

/* ---------- Steps ---------- */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px;counter-reset:s}
.steps li{padding:24px;border-radius:22px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.steps .num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--blush);color:var(--rose);font:600 18px/1 var(--serif);margin-bottom:16px}
.steps p{color:var(--muted);margin:8px 0 0}

/* ---------- Split: privacy + features ---------- */
.split{display:grid;gap:40px}
.split-copy p{color:var(--muted);margin:14px 0 0}
.checks{list-style:none;padding:0;margin:22px 0 24px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks .ic{width:20px;height:20px;color:var(--green);margin-top:3px;stroke-width:2.2}
.features{display:grid;gap:14px}
.features article,.contact-points>div{padding:22px;border-radius:22px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.f-icon{width:44px;height:44px;border-radius:14px;background:var(--blush);color:var(--rose);display:grid;place-items:center;margin-bottom:14px;flex:none}
.f-icon .ic{width:22px;height:22px}
.features p{color:var(--muted);margin:6px 0 0;font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px;max-width:780px}
.faq-list details{border-radius:18px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.faq-list summary{list-style:none;cursor:pointer;min-height:60px;padding:16px 56px 16px 20px;position:relative;font-weight:600;font-size:17px;display:flex;align-items:center}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:2px solid var(--rose);border-bottom:2px solid var(--rose);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq-list details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-list p{margin:0;padding:0 20px 20px;color:var(--muted)}

/* ---------- Final CTA ---------- */
.final{text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;padding-bottom:88px}
.final p{color:var(--muted);margin:0 0 10px}

/* ---------- Footer ---------- */
.marketing-footer{border-top:1px solid var(--line);background:var(--card)}
.marketing-footer{max-width:none;padding:40px var(--gutter) calc(24px + env(safe-area-inset-bottom,0px));display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
.footer-main{grid-column:1/-1}
.footer-main p{color:var(--muted);margin:10px 0 0;font-size:15px}
.marketing-footer>div:not(.footer-main):not(.footer-bottom){display:flex;flex-direction:column}
.marketing-footer b{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.marketing-footer a:not(.logo){color:var(--ink);text-decoration:none;min-height:40px;display:flex;align-items:center}
.footer-bottom{grid-column:1/-1;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}

/* ---------- Inner pages ---------- */
.page-hero{max-width:820px;margin:0 auto;padding:56px var(--gutter) 24px;text-align:left}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(34px,8vw,56px)}
.page-hero p{color:var(--muted);font-size:18px;margin:16px 0 0}
.page-hero .hero-actions{justify-content:flex-start!important}
main>.page-hero:only-child{min-height:100dvh;display:flex;flex-direction:column;justify-content:center}
.content-section{max-width:820px;margin:0 auto;padding:16px var(--gutter) 72px}
.content-card{padding:8px 0}
.content-card h2{font-size:clamp(24px,5.4vw,30px);margin:36px 0 10px}
.content-card h2:first-child{margin-top:8px}
.content-card p{color:#4A3646;margin:0 0 12px;font-size:17px;line-height:1.7}

/* ---------- Contact ---------- */
.contact-layout{max-width:var(--max);margin:0 auto;padding:16px var(--gutter) 72px;display:grid;gap:28px}
.contact-info h2,.contact-form h2{font-size:28px;margin-bottom:10px}
.contact-info>p{color:var(--muted);margin:0 0 20px}
.contact-points{display:grid;gap:12px}
.contact-points>div{display:flex;gap:14px;align-items:flex-start;padding:18px}
.contact-points .f-icon{margin:0}
.contact-points div div{display:flex;flex-direction:column;gap:2px}
.contact-points small{color:var(--muted);font-size:14.5px}
.contact-form{padding:24px;border-radius:24px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line),var(--shadow)}
.contact-form form{display:grid;gap:16px}
.form-row{display:grid;gap:16px}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-weight:600;font-size:14px}
.contact-form input,.contact-form select,.contact-form textarea{font:400 16px/1.4 var(--sans);color:var(--ink);background:#fff;border:0;border-radius:14px;box-shadow:inset 0 0 0 1.5px var(--line);padding:14px 16px;min-height:52px;width:100%;outline:0;-webkit-appearance:none;appearance:none}
.contact-form select{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C7682' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center/18px;padding-right:44px}
.contact-form textarea{min-height:150px;resize:vertical}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{box-shadow:inset 0 0 0 2px var(--rose)}
.contact-form .primary-cta{width:100%}
.form-msg{margin:0;font-size:15px;min-height:1em}
.form-msg.success{color:var(--green)}.form-msg.error{color:var(--danger)}

/* ---------- Legal pages (Terms, Privacy) ---------- */
body.legal{padding-bottom:env(safe-area-inset-bottom,0px)}
.legal-head{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:12px var(--gutter);min-height:64px;background:rgba(251,246,239,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
body.legal main{max-width:760px;margin:0 auto;padding:44px var(--gutter) 72px}
body.legal main>.kicker{margin-bottom:12px}
body.legal h1{font-size:clamp(34px,8vw,52px)}
.updated{color:var(--muted);margin:10px 0 28px}
body.legal section{padding:22px 0;border-top:1px solid var(--line)}
body.legal section h2{font-size:24px;margin-bottom:10px}
body.legal section p{margin:0 0 10px;color:#4A3646;font-size:16.5px;line-height:1.7}
.note{margin:28px 0 0;padding:16px 18px;border-radius:16px;background:var(--tint);color:var(--muted);font-size:14.5px}
.legal-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.legal-actions .back{display:inline-flex;align-items:center;min-height:48px;padding:0 20px;border-radius:999px;box-shadow:inset 0 0 0 1.5px var(--line-2);color:var(--ink);text-decoration:none;font-weight:600}
.legal-actions .back:hover{background:var(--tint)}

/* =====================================================================
   ≥700px
   ===================================================================== */
@media (min-width:700px){
  :root{--gutter:32px}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .features{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-row{grid-template-columns:1fr 1fr}
  .marketing-footer{grid-template-columns:2fr 1fr 1fr 1fr;max-width:none}
  .footer-main{grid-column:auto}
  .hero-actions .btn{flex:0 0 auto}
}
/* =====================================================================
   ≥960px: desktop nav, two-column hero and sections
   ===================================================================== */
@media (min-width:960px){
  .nav-wrap{flex-wrap:nowrap}
  .nav-wrap nav{display:flex;order:0;width:auto;flex-direction:row;gap:28px;padding:0;margin-right:12px}
  .nav-wrap nav a{border:0;min-height:44px;color:var(--muted)}
  .nav-wrap nav a:hover{color:var(--ink)}
  .nav-cta{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:999px;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:600}
  .menu-btn{display:none}
  .hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:64px;padding-top:80px;padding-bottom:80px}
  .section{padding:88px var(--gutter)}
  .split{grid-template-columns:1fr 1.1fr;align-items:start;gap:64px}
  .contact-layout{grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
  .marketing-footer{padding-left:max(var(--gutter),calc((100% - var(--max))/2 + var(--gutter)));padding-right:max(var(--gutter),calc((100% - var(--max))/2 + var(--gutter)))}
}