/* It Adds Up: shared look for the intro page, parent app and kids app.
   Fonts are served from itaddsup.app itself, so no visitor data goes to Google. */
@font-face{font-family:'Figtree';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/figtree-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Figtree';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/figtree-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Figtree';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/figtree-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Figtree';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/figtree-latin-700-normal.woff2) format('woff2')}

:root{
  --paper:#F5F3EE; --surface:#FFFFFF; --sunk:#ECE8DF;
  --ink:#17253A; --ink-2:#3B4859; --muted:#5A6575;
  --line:#DFDAD0; --line-strong:#C6BFB2;
  --accent:#2E6A50; --accent-ink:#22513C; --accent-soft:#E1EDE6;
  --amber:#D9962B; --amber-ink:#8A5B12; --amber-soft:#F8EBD3;
  --stop:#B3412E; --stop-soft:#F8E4DF;
  --font:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:16px; --shadow:0 1px 2px rgba(23,37,58,.05),0 10px 30px rgba(23,37,58,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink)}
img,svg{display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* Brand mark: a plus that's adding up */
.mark{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center;position:relative;flex:none}
.mark::after{content:"";position:absolute;top:5px;right:5px;width:7px;height:7px;border-radius:50%;background:var(--amber)}
.mark svg{width:17px;height:17px;color:#fff}
.mark path{stroke:#fff}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.015em;color:var(--ink);text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--font);padding:12px 20px;border-radius:999px;
  border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);text-decoration:none;cursor:pointer;transition:transform .06s,background .15s,border-color .15s}
.btn:hover{border-color:var(--ink-2)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.btn.sm{padding:9px 16px;font-size:14px}

/* Top bar */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent}
.top.scrolled{border-bottom-color:var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.top nav{display:flex;align-items:center;gap:26px}
.top nav a.link{color:var(--ink-2);text-decoration:none;font-size:15px;font-weight:500}
.top nav a.link:hover{color:var(--ink)}
@media (max-width:760px){.top nav a.link{display:none}.top nav{gap:8px}}
@media (max-width:480px){.top nav a.btn:not(.primary){display:none}.logo{font-size:17px}}
.btn{white-space:nowrap}

/* Hero */
.hero{padding:72px 0 88px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent-soft);padding:6px 12px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(44px,6.4vw,76px);line-height:1.02;letter-spacing:-.035em;margin:0 0 22px;font-weight:700}
.hero h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:19px;color:var(--ink-2);max-width:34em;margin:0 0 30px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.fine{font-size:14px;color:var(--muted);margin-top:16px}
@media (max-width:900px){.hero{padding:40px 0 64px}.hero .wrap{grid-template-columns:1fr;gap:44px}}

/* Hero visual: a parent's phone */
.stage{position:relative;justify-self:center;width:100%;max-width:420px}
.phone{background:var(--surface);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:18px 16px 20px;position:relative}
.phone .bar{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding:2px 6px 14px}
.phone h4{margin:0 6px 10px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.note{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px;background:var(--surface)}
.note .t{font-weight:600;font-size:15px;line-height:1.35}
.note .s{font-size:13.5px;color:var(--muted);margin-top:3px;line-height:1.4}
.note.stop{border-color:color-mix(in srgb,var(--stop) 40%,var(--line));background:linear-gradient(90deg,var(--stop-soft),var(--surface) 70%)}
.note.ok{background:linear-gradient(90deg,var(--accent-soft),var(--surface) 70%)}
.note .row{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.note time{font-size:12.5px;color:var(--muted);white-space:nowrap}
.tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--stop-soft);color:var(--stop);margin-bottom:6px}
.tag.ok{background:var(--accent-soft);color:var(--accent-ink)}
.tag.amber{background:var(--amber-soft);color:var(--amber-ink)}
.chip-float{position:absolute;left:-28px;bottom:-26px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:12px 14px;display:flex;gap:12px;align-items:center}
.chip-float b{font-size:22px;letter-spacing:-.02em}
.chip-float span{font-size:13px;color:var(--muted);line-height:1.3}
.jar{display:flex;gap:6px}
.jar i{display:block;width:10px;border-radius:3px;background:var(--accent)}
@media (max-width:520px){.chip-float{left:8px;bottom:-30px}}

/* Sections */
section{padding:88px 0}
section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-h{font-size:clamp(32px,4.2vw,46px);line-height:1.08;letter-spacing:-.025em;margin:0 0 16px}
.section-sub{color:var(--ink-2);font-size:18px;max-width:40em;margin:0 0 44px}
.story{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.story p{color:var(--ink-2);margin:0 0 16px}
.story p:last-child{margin-bottom:0}
@media (max-width:860px){.story{grid-template-columns:1fr;gap:20px}}

/* Day timeline */
.day{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}
.step{position:relative;padding:0 0 30px 32px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:3px solid var(--accent)}
.step .when{font:600 13px/1 var(--mono);color:var(--accent-ink);letter-spacing:.02em}
.step h3{margin:8px 0 4px;font-size:20px;letter-spacing:-.01em}
.step p{margin:0;color:var(--ink-2);max-width:40em}

/* Feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px}
section.alt .feat{background:var(--paper)}
.feat .ico{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:16px}
.feat .ico svg{width:20px;height:20px;stroke:var(--accent-ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feat.amber .ico{background:var(--amber-soft)} .feat.amber .ico svg{stroke:var(--amber-ink)}
.feat.stop .ico{background:var(--stop-soft)} .feat.stop .ico svg{stroke:var(--stop)}
.feat h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.feat p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.55}
@media (max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid{grid-template-columns:1fr}}

/* Two apps */
.apps{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.app-card{border-radius:20px;padding:32px;border:1px solid var(--line);background:var(--surface)}
.app-card.kid{background:linear-gradient(160deg,var(--accent-soft),var(--surface) 60%)}
.app-card.parent{background:linear-gradient(160deg,var(--amber-soft),var(--surface) 60%)}
.app-card h3{font-size:24px;margin:0 0 8px;letter-spacing:-.015em}
.app-card ul{margin:14px 0 24px;padding-left:20px;color:var(--ink-2)}
.app-card li{margin:6px 0}
@media (max-width:760px){.apps{grid-template-columns:1fr}}

/* Security list */
.checks{display:grid;grid-template-columns:1fr 1fr;gap:14px 40px;margin:0;padding:0;list-style:none}
.checks li{display:flex;gap:14px;align-items:flex-start;color:var(--ink-2)}
.checks li b{color:var(--ink);display:block;margin-bottom:2px}
.checks svg{flex:none;width:22px;height:22px;margin-top:3px;stroke:var(--accent);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:760px){.checks{grid-template-columns:1fr}}

.closer{text-align:center;padding:96px 0}
.closer h2{font-size:clamp(34px,5vw,54px);letter-spacing:-.03em;line-height:1.05;margin:0 0 14px}
.closer p{color:var(--ink-2);margin:0 auto 28px;max-width:32em}
.closer .ctas{justify-content:center}

footer{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer a{color:var(--muted)}