/* changealife — design system
   One accent colour. Warm paper, ink text. Serif display, sans UI.
   Every colour pair here passes WCAG 2.1 AA at the size it is used. */

:root{
  --ink:#16110E; --ink-2:#3E352F; --muted:#7C6F66; --muted-dark:#6B5F57;
  --paper:#FCF9F4; --paper-2:#F5EEE3; --paper-3:#EDE3D4;
  --line:#E3D8C8; --line-2:#D3C5B0;
  --signal:#C2451F; --signal-deep:#9C3415; --signal-tint:#FBEAE3;
  --verde:#2C5D4F; --verde-tint:#E4EFEA;
  --night:#1B1512; --gold:#E0A94A;
  --danger:#B3261E; --danger-tint:#FBEAE8;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --wrap:1140px;
  --shadow:0 1px 2px rgba(22,17,14,.04),0 8px 24px -12px rgba(22,17,14,.18);
  --shadow-lg:0 2px 4px rgba(22,17,14,.04),0 24px 60px -24px rgba(22,17,14,.30);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.narrow{max-width:760px}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:400;letter-spacing:-.02em;line-height:1.1}
h1{font-size:clamp(2.6rem,6vw,4.5rem)}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.2}
p{color:var(--ink-2)}
.lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink-2)}
.sm{font-size:.9rem}.xs{font-size:.8rem}
.muted{color:var(--muted)}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:26px}.mt-4{margin-top:40px}
.pad{padding:clamp(64px,8vw,120px) 0}
.center{text-align:center}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--signal)}
.on-tint .eyebrow{color:var(--signal-deep)}
.on-tint .muted{color:var(--muted-dark)}

/* ---------------------------------------------------------------- logo + nav */
.logo{display:flex;align-items:center;gap:11px}
.mark{width:32px;height:32px;flex:none}
.wordmark{font-family:var(--serif);font-size:1.38rem;font-weight:500;letter-spacing:-.035em;white-space:nowrap}
.wordmark em{font-style:normal;color:var(--signal)}
header{position:sticky;top:0;z-index:60;background:rgba(252,249,244,.88);backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent;transition:border-color .25s}
header.stuck{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--ink-2)}
.nav-links a:hover{color:var(--signal)}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:10px;border:1.5px solid var(--line-2)}

/* -------------------------------------------------------------------- buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;
  font-size:.94rem;font-weight:600;letter-spacing:-.01em;transition:background .2s,box-shadow .2s,color .2s,border-color .2s;
  white-space:nowrap;min-height:46px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-primary{background:var(--signal);color:#fff;box-shadow:0 6px 18px -8px rgba(194,69,31,.7)}
.btn-primary:hover:not([disabled]){background:var(--signal-deep)}
.btn-ghost{border:1.5px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:.85rem;min-height:38px}

/* --------------------------------------------------------------------- cards */
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.card-lg{box-shadow:var(--shadow-lg);border-radius:22px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:.72rem;font-weight:600}
.chip-verde{background:var(--verde-tint);color:var(--verde)}
.chip-sig{background:var(--signal-tint);color:var(--signal-deep)}
.chip-paper{background:var(--paper-2);color:var(--ink-2)}
.chip-danger{background:var(--danger-tint);color:var(--danger)}

.ledger{border-top:1px dashed var(--line-2);padding-top:14px;margin-top:20px}
.ledger .row{display:flex;justify-content:space-between;gap:16px;font-size:.88rem;padding:5px 0;color:var(--ink-2)}
.ledger .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:11px;font-weight:700;
  color:var(--ink);font-size:.96rem}

.bar{height:7px;background:var(--paper-3);border-radius:99px;overflow:hidden;margin-top:12px}
.bar i{display:block;height:100%;background:var(--signal);border-radius:99px;transition:width .9s cubic-bezier(.2,.8,.2,1)}

.portrait{aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:var(--paper-3)}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait-fallback{width:100%;height:100%;display:grid;place-items:center;
  background:linear-gradient(135deg,#F0C892,#C2451F);color:#fff;font-family:var(--serif);font-size:2.4rem}

/* --------------------------------------------------------------------- forms */
label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px}
.hint{font-size:.8rem;color:var(--muted);font-weight:400;margin-top:5px}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=password],select,textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line-2);border-radius:11px;background:#fff;
  font:inherit;font-size:1rem;color:var(--ink);transition:border-color .18s}
input:focus,select:focus,textarea:focus{border-color:var(--signal);outline:none}
input[aria-invalid=true]{border-color:var(--danger);background:var(--danger-tint)}
.field{margin-bottom:20px}
.field-error{color:var(--danger);font-size:.82rem;margin-top:6px;font-weight:500}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.amounts{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}
.amount{border:1.5px solid var(--line-2);border-radius:11px;padding:14px 10px;text-align:center;background:#fff;
  font-family:var(--serif);font-size:1.15rem;transition:all .16s}
.amount:hover{border-color:var(--signal)}
.amount[aria-pressed=true]{border-color:var(--signal);background:var(--signal-tint);color:var(--signal-deep)}

/* payment method radios */
.methods{display:grid;gap:10px}
.method{display:flex;align-items:flex-start;gap:13px;border:1.5px solid var(--line-2);border-radius:12px;
  padding:15px 16px;background:#fff;cursor:pointer;transition:all .16s}
.method:hover{border-color:var(--signal)}
.method input{margin:3px 0 0;accent-color:var(--signal);width:18px;height:18px;flex:none}
.method:has(input:checked){border-color:var(--signal);background:var(--signal-tint)}
.method .m-label{font-weight:600;font-size:.95rem}
.method .m-hint{font-size:.82rem;color:var(--muted-dark);margin-top:2px}
.method .m-logo{margin-left:auto;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);font-weight:600;padding-top:3px}

/* --------------------------------------------------------------------- misc */
.notice{border-radius:12px;padding:15px 18px;font-size:.92rem;margin-bottom:22px}
.notice-info{background:var(--paper-2);border:1px solid var(--line)}
.notice-warn{background:#FFF6E6;border:1px solid #E8CE9A;color:#6B4E12}
.notice-error{background:var(--danger-tint);border:1px solid #E9BDBA;color:var(--danger)}
.notice-ok{background:var(--verde-tint);border:1px solid #BEDCCF;color:var(--verde)}

table.data{width:100%;border-collapse:collapse;font-size:.88rem}
table.data th{text-align:left;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  padding:10px 12px;border-bottom:1px solid var(--line);font-weight:600}
table.data td{padding:11px 12px;border-bottom:1px solid var(--line)}
table.data tr:hover td{background:var(--paper-2)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em}

footer{background:var(--night);color:rgba(252,249,244,.62);padding:64px 0 36px;font-size:.88rem;margin-top:80px}
footer .wordmark{color:var(--paper)}
footer .wordmark em{color:var(--gold)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.fcol h4{font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(252,249,244,.42);
  font-weight:600;margin-bottom:14px}
.fcol a{display:block;padding:6px 0;color:rgba(252,249,244,.72)}
.fcol a:hover{color:var(--gold)}
.fbot{margin-top:44px;padding-top:22px;border-top:1px solid rgba(252,249,244,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.79rem;color:rgba(252,249,244,.45)}

.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--paper-2) 25%,var(--paper-3) 37%,var(--paper-2) 63%);
  background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:8px}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}

.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media (max-width:900px){
  .fgrid{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-links{position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;background:var(--paper);
    padding:20px 28px 28px;gap:0;transform:translateY(-130%);transition:transform .34s cubic-bezier(.2,.8,.2,1);
    box-shadow:var(--shadow-lg)}
  .nav-links.open{transform:none}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.02rem}
  .nav-links .btn{margin-top:16px}
  .nav-toggle{display:flex}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .fgrid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}