/* sendwhen.net — one stylesheet for every page.
   Brand: stamp paper (BG-1). Pale-blue page, white perforated paper, ink text,
   key words in stamp blue, franking lines and postmark rings. Sora only.
   Palette from CLAUDE.md "Colour System" and docs/brand/README.md. */
:root{
  --page:#DCE7F8;      /* stamp page (email canvas, App Store frames) */
  --paper:#FFFFFF;     /* stamp paper */
  --wash:#F2F7FE;      /* quiet section */
  --card:#F2F5FA;
  --line:#C8D5E5;
  --blue:#1A56DB;
  --blue-dark:#0C447C;
  --blue-bg:#E8F0FD;
  --ink:#0D1B2A;
  --ink2:#3D4F63;
  --max:1320px;
  --gutter:clamp(18px,2.6vw,36px);
}
*,*::before,*::after{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 'Sora',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,figure{margin:0}
img,video,svg{display:block;max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
summary{cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;font-weight:600}
.skip:focus{top:12px;color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.sw-page{min-height:100vh;display:flex;flex-direction:column}
.sw-page>main{flex:1}

/* ---------- Perforated stamp paper ---------- */
.stamp,.page-hero>div{--bite:var(--page);--r:7px;--s:22px;
  background:
    radial-gradient(circle at 50% 0,var(--bite) var(--r),transparent calc(var(--r) + .6px)) 0 0/var(--s) var(--s) round no-repeat,
    radial-gradient(circle at 50% 100%,var(--bite) var(--r),transparent calc(var(--r) + .6px)) 0 100%/var(--s) var(--s) round no-repeat,
    radial-gradient(circle at 0 50%,var(--bite) var(--r),transparent calc(var(--r) + .6px)) 0 0/var(--s) var(--s) no-repeat round,
    radial-gradient(circle at 100% 50%,var(--bite) var(--r),transparent calc(var(--r) + .6px)) 100% 0/var(--s) var(--s) no-repeat round,
    var(--paper)}

/* ---------- Header ---------- */
.sw-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid #E1E9F4}
.sw-header-inner{max-width:var(--max);margin:0 auto;padding:12px var(--gutter);display:flex;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-size:18px;font-weight:650;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand img{width:32px;height:32px}
.brand b{font-weight:inherit;color:var(--blue)}
.sw-nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,28px);margin-left:auto}
.sw-nav a{font-size:14px;font-weight:500;color:var(--ink2);white-space:nowrap}
.sw-nav a:hover,.sw-nav a[aria-current]{color:var(--blue)}
.sw-nav a[aria-current]{font-weight:600}
.sw-nav a.btn{color:#fff}
.sw-menu-btn{display:none;margin-left:auto;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;padding:0}
.sw-menu-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:1040px){
  .sw-header-inner{flex-wrap:wrap}
  .sw-menu-btn{display:inline-flex}
  .sw-nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;margin:4px 0 0;padding-top:6px;border-top:1px solid #E1E9F4}
  .sw-nav.is-open{display:flex}
  .sw-nav a{padding:13px 2px;border-bottom:1px solid #EDF2F8;font-size:15px}
  .sw-nav a.btn{margin:14px 0 6px;padding:9px 16px;align-self:flex-start;border-bottom:0}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;border:1.5px solid transparent}
.btn svg{width:17px;height:17px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(26,86,219,.25)}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-quiet{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-quiet:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{min-height:40px;padding:9px 16px;font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- Type ---------- */
.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);margin-bottom:14px}
.lead{font-weight:650;letter-spacing:-.035em;line-height:1.08;color:var(--ink)}
.lead b{font-weight:inherit;color:var(--blue)}
.h2{font-size:clamp(1.9rem,4.4vw,2.9rem)}
.sub{font-size:clamp(1.05rem,1.8vw,1.2rem);line-height:1.55;color:var(--ink2)}
.small{font-size:14px;line-height:1.55;color:var(--ink2)}

/* ---------- Home: hero ---------- */
.hero,.band{background:var(--page);padding:clamp(14px,2.4vw,28px) 0}
.hero-paper{position:relative;padding:clamp(48px,6vw,80px) clamp(24px,3.6vw,56px);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(36px,5vw,64px);align-items:center}
.hero-paper::before{content:'';position:absolute;left:clamp(24px,3.6vw,56px);top:clamp(28px,3.4vw,40px);width:min(360px,44%);aspect-ratio:640/200;background:url(/assets/franking.svg) no-repeat center/contain;pointer-events:none}
.hero-text{position:relative}
.hero h1{font-size:clamp(2.3rem,5.2vw,3.9rem);margin-bottom:22px;max-width:15ch}
.hero .sub{max-width:36ch;margin-bottom:30px}
.hero .small{margin-top:16px}
.hero-media{position:relative;justify-self:center;width:min(380px,100%);transform:rotate(2deg)}
.hero-media video{width:100%;height:auto;aspect-ratio:886/1920;background:var(--page)}
.video-toggle{position:absolute;right:18px;bottom:22px;display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.94);color:var(--ink);font:600 13px 'Sora',system-ui,sans-serif;cursor:pointer}
.video-toggle svg{width:12px;height:12px;fill:currentColor}
@media (max-width:860px){
  .hero-paper{grid-template-columns:1fr}
  .hero-paper::before{width:min(280px,64%)}
  .hero-text{padding-top:56px}
  .hero-media{width:min(300px,84%)}
}

/* ---------- Home: story beats ---------- */
.section{padding:clamp(64px,10vw,120px) 0}
.section.wash{background:var(--wash)}
.section-head{max-width:640px}
.beat-body{margin-top:16px;max-width:42ch;font-size:15.5px;line-height:1.65;color:var(--ink2)}
.beat-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:2px solid var(--blue);color:var(--blue);font-size:14px;font-weight:700;margin-bottom:18px}
.art{--bite:var(--wash);padding:18px;overflow:hidden}
.art img{width:100%;height:auto}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(36px,4vw,48px) clamp(18px,3vw,32px);margin-top:clamp(36px,5vw,56px);padding:0;list-style:none}
.card h3{font-size:clamp(1.5rem,2.6vw,1.9rem);margin:22px 0 8px}
@media (min-width:1000px){.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.card h3{font-size:1.45rem}.card .art{padding:12px}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}

/* ---------- Home: feature list, privacy ---------- */
.ticks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 28px;margin-top:clamp(28px,4vw,44px);padding:0;list-style:none}
.ticks li{display:flex;gap:12px;align-items:flex-start;padding:18px 0;border-top:1px solid var(--line)}
.ticks svg{width:18px;height:18px;flex-shrink:0;margin-top:3px;stroke:var(--blue);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.ticks h3{font-size:16px;font-weight:600;margin-bottom:2px}
.ticks p{font-size:14.5px;line-height:1.55;color:var(--ink2)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
.split .ticks{margin-top:0}
.split .ticks{grid-template-columns:1fr}
@media (max-width:760px){.split{grid-template-columns:1fr}}

/* ---------- Home: pricing + final call ---------- */
.band-paper{padding:clamp(52px,8vw,88px) clamp(24px,3.6vw,56px);text-align:center}
.band-paper .lead{font-size:clamp(1.9rem,4.4vw,3rem);max-width:20ch;margin:0 auto 16px}
.band-paper .sub{max-width:46ch;margin:0 auto 28px}
.band-paper .btn-row{justify-content:center}
.band-paper .small{margin-top:16px}
.band-stamp{width:88px;height:88px;margin:0 auto 24px;transform:rotate(6deg);filter:drop-shadow(0 8px 10px rgba(13,27,42,.15))}

/* ---------- FAQ (home) ---------- */
.faq{display:grid;gap:10px;margin-top:clamp(26px,4vw,40px)}
.faq details{background:var(--paper);border:1.5px solid var(--line);border-radius:14px;padding:18px 20px}
.faq summary{display:flex;align-items:center;gap:14px;font-size:16px;font-weight:600;color:var(--ink)}
.faq summary span{flex:1}
.faq summary::after{content:'+';flex-shrink:0;width:24px;height:24px;border-radius:7px;background:var(--blue-bg);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;line-height:1}
.faq details[open] summary::after{content:'\2212'}
.faq p{font-size:15px;line-height:1.65;color:var(--ink2);margin-top:12px}

/* ---------- Subpages (support, blog, privacy, terms) ----------
   Their bodies keep their own inline styles; these rules only re-dress the
   page top as stamp paper. */
.page-hero{background:var(--page)!important;border:0!important;padding:clamp(14px,2.4vw,28px) var(--gutter)}
.page-hero>div{position:relative;max-width:var(--max)!important;padding-left:clamp(28px,3.6vw,56px)!important;padding-right:clamp(28px,3.6vw,56px)!important}
.page-hero>div::before{content:'';position:absolute;right:clamp(24px,4vw,48px);top:clamp(26px,3vw,36px);width:min(320px,40%);aspect-ratio:640/200;background:url(/assets/franking.svg) no-repeat center/contain;pointer-events:none}
.page-hero>div>*{position:relative}
.page-hero h1{font-weight:650!important;max-width:20ch}
.sw-prose a{color:var(--blue);font-weight:500}
.sw-prose a:hover{color:var(--blue-dark)}
.sw-prose p{font-size:15.5px;line-height:1.72;color:var(--ink2);margin:0}
.sw-prose h2{font-size:clamp(1.15rem,2.8vw,1.4rem);font-weight:600;letter-spacing:-.02em;color:var(--ink);margin:8px 0 0}
.sw-prose ul{margin:0;padding-left:1.15em;display:flex;flex-direction:column;gap:8px}
.sw-prose li{font-size:15.5px;line-height:1.65;color:var(--ink2)}

/* ---------- Footer ---------- */
.sw-footer{background:var(--page);padding:clamp(14px,2.4vw,28px) 0}
.foot{padding:clamp(36px,5vw,52px) clamp(24px,3.6vw,56px);display:flex;flex-wrap:wrap;gap:24px 40px;align-items:flex-start;justify-content:space-between}
.foot .brand{margin-bottom:12px}
.foot-brand p+p{margin-top:6px}
.foot-cols{display:flex;flex-wrap:wrap;gap:24px 56px}
.foot-cols h2{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:6px}
.foot-cols .foot-links{flex-direction:column;gap:0}
.foot p{font-size:14px;line-height:1.6;color:var(--ink2);max-width:34ch}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 24px;padding:0;list-style:none}
.foot-links a{font-size:14px;font-weight:500;color:var(--ink2);display:inline-block;padding:8px 0}
.foot-links a:hover{color:var(--blue)}
.foot-legal{flex-basis:100%;padding-top:18px;border-top:1px solid #E1E9F4;font-size:13px;color:var(--ink2);display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}
.foot .foot-legal{max-width:none}
.video-toggle[hidden]{display:none}

/* ---------- Home: feature groups, themes ---------- */
.groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(24px,3vw,40px);margin-top:clamp(28px,4vw,44px)}
.group .eyebrow{color:var(--blue);margin-bottom:6px}
.group .ticks{grid-template-columns:1fr;margin-top:0}
.ticks h4{font-size:16px;font-weight:600;margin:0 0 2px}
@media (max-width:1000px){.groups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.groups{grid-template-columns:1fr}}
.theme-list{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.theme-list li{display:flex;gap:14px;align-items:flex-start}
.theme-list img{width:56px;height:56px;flex-shrink:0}
.theme-list h3{font-size:16px;font-weight:600;margin:4px 0 2px}
.theme-list p{font-size:14px;line-height:1.5;color:var(--ink2)}
.themes{align-items:center}
@media (max-width:560px){.theme-list{grid-template-columns:1fr}}

/* ---------- Restored from the old site (round 3) ---------- */
.pill{display:inline-flex;align-items:center;gap:9px;background:var(--blue-bg);border:1px solid #B5D4F4;border-radius:999px;padding:6px 13px;margin-bottom:22px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-dark)}
.pulse{position:relative;width:7px;height:7px;border-radius:50%;background:var(--blue);flex-shrink:0}
.pulse::after{content:'';position:absolute;inset:0;border-radius:50%;background:var(--blue);animation:swPulse 2.6s ease-out infinite}
@keyframes swPulse{0%{transform:scale(1);opacity:.7}70%{transform:scale(2.4);opacity:0}100%{opacity:0}}
@keyframes swFloat{0%,100%{transform:rotate(2deg) translateY(0)}50%{transform:rotate(2deg) translateY(-10px)}}
.hero-media{animation:swFloat 9s ease-in-out infinite}
.mission{font-size:clamp(1.1rem,2vw,1.3rem);line-height:1.45;font-weight:600;color:var(--blue-dark);max-width:32ch;margin-bottom:14px}
.hero .sub{max-width:40ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding:0;list-style:none}
.chips li{background:var(--blue-bg);border:1.5px solid var(--blue);border-radius:9px;padding:5px 11px;font-size:13px;font-weight:600;color:var(--blue-dark)}
.chips-indigo li{background:#E5E2FD;border:1px solid #CCC8F0;border-radius:999px;color:#3C3489}
.callout{display:flex;gap:10px;align-items:flex-start;margin-top:22px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font-size:14.5px;line-height:1.6;color:var(--ink2);max-width:48ch}
.callout svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#channels .small{margin-top:16px}
.channels{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.channels li{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1.5px solid var(--line);border-radius:14px;background:var(--paper)}
.channels li.on{background:var(--blue-bg);border-color:#B5D4F4}
.channels .ic{width:40px;height:40px;border-radius:11px;background:var(--blue-bg);border:1px solid #B5D4F4;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.channels li.on .ic{background:var(--paper)}
.channels svg{width:18px;height:18px;stroke:var(--blue);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.channels h3{font-size:16px;font-weight:600;margin-bottom:2px}
.channels p{font-size:14.5px;line-height:1.55;color:var(--ink2)}
#drafts .chips{margin-top:22px}
.switcher{margin-top:clamp(28px,4vw,44px)}
.theme-tabs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-bottom:24px}
.theme-tabs button{display:flex;align-items:center;gap:10px;min-height:56px;padding:8px 12px;border-radius:14px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);font:600 14px/1.2 'Sora',system-ui,sans-serif;text-align:left;cursor:pointer}
.theme-tabs button img{width:40px;height:40px;flex-shrink:0}
.theme-tabs small{display:block;font-size:11.5px;font-weight:500;color:var(--ink2);margin-top:2px}
.theme-tabs button:hover{border-color:var(--blue)}
.swatches{display:flex;gap:8px;list-style:none;padding:0;margin:18px 0 12px}
.swatches li{width:34px;height:34px;border-radius:10px;border:1px solid rgba(13,27,42,.15)}
.swatches span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:1000px){.theme-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:420px){.theme-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}}
.band-paper .small{max-width:60ch;margin-left:auto;margin-right:auto}
@media (max-width:420px){.pill{font-size:11px;letter-spacing:.08em}}

/* ---------- Theme switcher (round 4: old site's tint + flourish) ---------- */
@property --tbg{syntax:'<color>';inherits:true;initial-value:#E8EDF5}
@property --tacc{syntax:'<color>';inherits:true;initial-value:#1A56DB}
.switcher{transition:--tbg .35s ease,--tacc .35s ease}
.theme-tabs button{transition:border-color .35s ease,box-shadow .35s ease,background-color .35s ease}
.theme-tabs button[aria-selected=true]{border-color:var(--tacc);box-shadow:inset 0 0 0 1.5px var(--tacc);background:var(--blue-bg)}
.switch-body{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,4vw,56px);align-items:center}
.theme-shot{--bite:var(--wash);--paper:var(--tbg);padding:clamp(18px,2.6vw,32px)}
.shot-stack{position:relative;display:grid}
.shot{grid-area:1/1;opacity:0;transition:opacity .35s ease}
.shot.on{opacity:1}
.shot img{width:100%;height:auto;border-radius:14px;box-shadow:0 1px 0 rgba(13,27,42,.06),0 18px 40px rgba(13,27,42,.18)}
.flourish{grid-area:1/1;width:100%;height:100%;border-radius:14px;pointer-events:none}
.theme-panels{display:grid}
.theme-panel{grid-area:1/1}
.theme-panel[hidden]{display:none}
.theme-panel:not([hidden]){animation:swIn .35s ease both}
@keyframes swIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.theme-panel h3{font-size:clamp(1.5rem,3vw,2rem);font-weight:650;letter-spacing:-.025em;margin-bottom:8px}
.swatches li{transition:background-color .35s ease}
@media (max-width:760px){.switch-body{grid-template-columns:1fr}}

/* ---------- How it works: sticky phone, steps scroll past (round 5) ----------
   Desktop: the steps scroll on the left, the phone stays put on the right and
   crossfades to each step's loop as the step crosses mid-viewport.
   Below 900px: each step carries its own phone. */
.phone{--pw:min(300px,74vw);position:relative;width:var(--pw);padding:calc(var(--pw)*.027);border:3px solid var(--ink);border-radius:calc(var(--pw)*.165);background:#fff;box-shadow:0 2px 0 rgba(13,27,42,.05),0 24px 60px rgba(13,27,42,.18)}
.phone video{width:100%;height:auto;aspect-ratio:660/1434;border-radius:calc(var(--pw)*.135);background:#E8EDF5}
.phone-loop{display:flex;flex-direction:column;align-items:center;gap:14px}
.video-toggle.inline{position:static}
.scrolly{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,88px)}
.scrolly-text .section-head{margin-bottom:clamp(48px,7vw,88px)}
.steps{list-style:none;margin:0;padding:0 0 22vh}
.step{min-height:clamp(440px,58vh,620px);display:flex;flex-direction:column}
.step h3{font-size:clamp(2.2rem,4.4vw,3.5rem);margin-bottom:16px}
.step-media{display:none}
.scrolly.js .step{opacity:.4;transition:opacity .35s ease}
.scrolly.js .step.is-active{opacity:1}
.scrolly-media{position:sticky;top:58px;height:calc(100vh - 58px);height:calc(100svh - 58px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}
.scrolly-media .phone{--pw:min(340px,calc((100svh - 190px)*.455))}
.phone-stack{display:grid}
.phone-stack video{grid-area:1/1;opacity:0;transition:opacity .35s ease}
.phone-stack video.on{opacity:1}
.scrolly-ui{display:flex;align-items:center;gap:14px;min-height:36px}
.bars{display:flex;gap:2px}
.bar{padding:16px 4px;border:0;background:none;cursor:pointer}
.bar i{display:block;position:relative;width:34px;height:4px;border-radius:2px;background:var(--line);overflow:hidden}
.bar i::after{content:'';position:absolute;inset:0;background:var(--blue);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.bar[aria-current] i::after{transform:scaleX(var(--p,1))}
.split-loop{align-items:center}
.split-loop .channels{margin-top:24px}
@media (max-width:900px){
  .scrolly{grid-template-columns:1fr}
  .scrolly-media{display:none}
  .steps{padding:0}
  .scrolly-text .section-head{margin-bottom:clamp(8px,2vw,24px)}
  .step{min-height:0;padding:0;margin-top:clamp(48px,9vw,72px)}
  .scrolly.js .step{opacity:1}
  .step-media{display:flex;margin-top:28px}
}