/* Align — shared design system (index.html + how-it-works.html) */

@font-face{font-family:'Inter';font-style:normal;font-weight:300;font-display:swap;src:url('../fonts/inter-300.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-500.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-600.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/inter-700.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/space-grotesk-500.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/space-grotesk-600.woff2') format('woff2');}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/space-grotesk-700.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/jetbrains-mono-400.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/jetbrains-mono-500.woff2') format('woff2');}

:root{
  --bg:#0b0e13;
  --bg-2:#0e1218;
  --surface:#12161d;
  --surface-2:#171c24;
  --surface-3:#1d232d;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.12);
  --line-3:rgba(255,255,255,.2);
  --ink:#e9edf2;
  --ink-2:#a4adb9;
  --ink-3:#6c7683;
  --accent:#35d0e0;
  --accent-ink:#04212a;
  --accent-soft:rgba(53,208,224,.09);
  --accent-line:rgba(53,208,224,.34);
  --ok:#4dbb87;
  --warn:#d6a24a;
  --risk:#e0685c;
  --head:'Space Grotesk',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --sans:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:12px;
  --r-sm:8px;
  --wrap:1120px;
  --nav-h:64px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{background:var(--bg);scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip;}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
section[id],header[id]{scroll-margin-top:calc(var(--nav-h) + 28px);}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:28px;}
@media (max-width:560px){.wrap{padding-inline:18px;}}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--head);font-weight:600;letter-spacing:-.022em;color:var(--ink);}
h1{font-size:clamp(34px,4.3vw,52px);line-height:1.07;}
h2{font-size:clamp(26px,3vw,36px);line-height:1.14;}
h3{font-size:17px;line-height:1.35;letter-spacing:-.01em;}
.muted{color:var(--ink-2);}
.kicker{display:block;font-size:13.5px;font-weight:500;color:var(--accent);margin-bottom:12px;letter-spacing:0;}
.lead{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:36em;}
.sec-head{max-width:44em;margin-bottom:40px;}
.sec-head h2{margin-bottom:14px;}
.mono{font-family:var(--mono);font-size:.86em;letter-spacing:0;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-sm);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:background-color .15s ease,border-color .15s ease,color .15s ease;}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{background:#5bdbe8;}
.btn-secondary{border:1px solid var(--line-2);color:var(--ink);}
.btn-secondary:hover{border-color:var(--line-3);background:var(--surface);}
.btn-sm{height:36px;padding:0 14px;font-size:14px;}
.btn svg{width:16px;height:16px;flex:none;}
.link{color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.link:hover{text-decoration:underline;text-underline-offset:3px;}
.link svg{width:15px;height:15px;}

/* ---------- status ---------- */
.status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--ink-2);white-space:nowrap;}
.status::before{content:"";width:7px;height:7px;border-radius:50%;flex:none;}
.status-now::before{background:var(--ok);}
.status-dev::before{background:var(--warn);}
.status-plan::before{background:transparent;border:1.5px solid var(--ink-3);width:6px;height:6px;}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);background:rgba(11,14,19,.86);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line);}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-size:19px;font-weight:600;letter-spacing:-.01em;}
.brand-mark{width:22px;height:22px;flex:none;}
.brand sup{font-size:.55em;margin-left:1px;}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14.5px;color:var(--ink-2);}
.nav-links a:hover{color:var(--ink);}
.nav-links a.btn{color:var(--accent-ink);}
@media (max-width:860px){.nav-links a:not(.btn){display:none;}}

/* ---------- sections ---------- */
.section{padding-block:104px;}
.section + .section{border-top:1px solid var(--line);}
.section.alt{background:var(--bg-2);}
@media (max-width:720px){.section{padding-block:72px;}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);}

/* ---------- reveal on scroll (only when JS is running) ---------- */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
.js .reveal.in{opacity:1;transform:none;}
.js .reveal.d1{transition-delay:.08s;} .js .reveal.d2{transition-delay:.16s;} .js .reveal.d3{transition-delay:.24s;}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding-block:36px;color:var(--ink-3);font-size:14px;}
.footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.footer .brand{font-size:16px;color:var(--ink-2);}
.footer-links{display:flex;gap:24px;}
.footer-links a:hover{color:var(--ink);}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  .js .reveal{opacity:1;transform:none;}
}