/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro", "Segoe UI", Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── COLOR TOKENS ── */
:root {
  --bg:        #FFFFFF;
  --surface:   #F5F5F2;
  --surface2:  #EFEEEA;
  --ink:       #1B1B19;
  --ink2:      #6C6C66;
  --ink3:      #A2A29B;
  --line:      rgba(0,0,0,.12);
  --accent:    #2F6F6A;
  --accentSoft:#E4EFED;
}
@media (prefers-color-scheme: dark) {
:root {
  --bg:        #141414;
  --surface:   #1D1D1F;
  --surface2:  #242427;
  --ink:       #ECECEA;
  --ink2:      #A0A09A;
  --ink3:      #6F6F6A;
  --line:      rgba(255,255,255,.13);
  --accent:    #62B8AE;
  --accentSoft:#15302D;
}}

/* ── UTILITY ── */
.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
.accent { color: var(--accent); }
.accent-bg { background: var(--accentSoft); color: var(--accent); }
.line { border: 0; border-top: 0.5px solid var(--line); margin: 2rem 0; }

/* ── TYPOGRAPHY ── */
h1, h2, h3 { font-weight: 500; line-height: 1.25; }
h1 { font-size: 2.25rem; letter-spacing: -.02em; }
h2 { font-size: 1.625rem; letter-spacing: -.01em; margin-bottom: 0.75rem; }
h3 { font-size: 1.125rem; }
p  { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
.small { font-size: .875rem; color: var(--ink3); }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 0.5px solid var(--line);
  border-radius: 12px;
  padding: 1.75rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.4rem;
  border-radius: 8px;
  font-size: .9375rem; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: background .15s, color .15s;
  border: 0.5px solid transparent;
}
.btn-primary {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.btn-primary:hover { background: var(--ink2); border-color: var(--ink2); }
.btn-secondary {
  background: transparent; color: var(--ink); border-color: var(--line);
}
.btn-secondary:hover { background: var(--surface2); }
.btn-accent {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-accent:hover { opacity: .85; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg); border-bottom: 0.5px solid var(--line);
  padding: .75rem 0;
}
nav .container { display: flex; align-items: center; justify-content: space-between; }
nav .logo { font-weight: 500; font-size: 1.125rem; text-decoration: none; color: var(--ink); }
nav .nav-links { display: flex; gap: 1.25rem; }
nav .nav-links a { font-size: .875rem; color: var(--ink2); text-decoration: none; }
nav .nav-links a:hover { color: var(--ink); }
@media (max-width: 640px) {
  nav .nav-links { display: none; }
  nav .nav-links.show { display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--bg); padding: 1rem;
    border-bottom: 0.5px solid var(--line); }
  nav .menu-toggle { display: block; background: none; border: none; color: var(--ink);
    font-size: 1.25rem; cursor: pointer; padding: .25rem; }
}
nav .menu-toggle { display: none; }

/* ── HERO ── */
.hero { padding: 3rem 0 2rem; text-align: center; }
.hero h1 { margin-bottom: .75rem; }
.hero .sub { color: var(--ink2); font-size: 1.125rem; margin-bottom: 1.5rem; max-width: 640px; margin-inline: auto; }
.hero .actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* ── PROMISES ── */
.promises { padding: 2rem 0; }
.promises .grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media (max-width: 640px) { .promises .grid { grid-template-columns: 1fr; } }
.promise-card { text-align: center; }
.promise-card .icon { font-size: 1.75rem; margin-bottom: .75rem; color: var(--accent); }
.promise-card h3 { margin-bottom: .25rem; }
.promise-card p { font-size: .875rem; color: var(--ink2); }

/* ── PRODUCT ── */
.product { padding: 2.5rem 0; }
.product .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
@media (max-width: 640px) { .product .grid { grid-template-columns: 1fr; } }
.product .feature-list { list-style: none; margin-top: 1rem; }
.product .feature-list li { padding: .35rem 0; font-size: .9375rem; }
.product .feature-list li::before { content: "·"; margin-right: .5rem; color: var(--ink3); }
.product .badge { display: inline-block; padding: .2rem .6rem; border-radius: 8px;
  font-size: .75rem; font-weight: 500; background: var(--accentSoft); color: var(--accent);
  margin-top: .25rem; }

/* ── PRICING ── */
.pricing { padding: 2.5rem 0; }
.pricing .card { max-width: 480px; margin: 0 auto; text-align: center; }
.pricing .price { font-size: 2.75rem; font-weight: 500; letter-spacing: -.02em;
  font-family: SF Mono, "SF Pro", monospace; color: var(--accent); }
.pricing .vs { font-size: .875rem; color: var(--ink3); margin: .75rem 0 1rem; }
.pricing .vs strong { color: var(--ink); }

/* ── STEPS ── */
.steps { padding: 2.5rem 0; }
.steps .grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media (max-width: 640px) { .steps .grid { grid-template-columns: 1fr; } }
.step { counter-increment: step; }
.steps .grid { counter-reset: step; }
.step .num { display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border-radius: 50%; background: var(--accentSoft);
  color: var(--accent); font-size: .875rem; font-weight: 500; margin-bottom: .5rem; }
.step h3 { margin-bottom: .25rem; }
.step p { font-size: .875rem; color: var(--ink2); }

/* ── FAQ ── */
.faq { padding: 2.5rem 0; }
.faq-item { border-bottom: 0.5px solid var(--line); padding: .75rem 0; }
.faq-item:first-child { border-top: 0.5px solid var(--line); }
.faq-q { display: flex; justify-content: space-between; align-items: center;
  width: 100%; background: none; border: none; color: var(--ink);
  font-size: .9375rem; font-weight: 500; text-align: left; padding: .5rem 0;
  cursor: pointer; }
.faq-q::after { content: "+"; font-size: 1.25rem; color: var(--ink3); transition: transform .2s; }
.faq-q[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.faq-a > div { padding: .5rem 0 .75rem; font-size: .875rem; color: var(--ink2); line-height: 1.6; }

/* ── FOOTER ── */
footer { border-top: 0.5px solid var(--line); padding: 2rem 0; margin-top: 2rem; }
footer .grid { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
@media (max-width: 640px) { footer .grid { grid-template-columns: 1fr; } }
footer .links { display: flex; flex-direction: column; gap: .35rem; }
footer .links a { font-size: .875rem; color: var(--ink2); text-decoration: none; }
footer .links a:hover { color: var(--ink); }
footer .copy { font-size: .875rem; color: var(--ink3); margin-top: 1rem; }

/* ── LEGAL PAGES ── */
.legal { padding: 2rem 0; }
.legal h1 { margin-bottom: .5rem; }
.legal .date { color: var(--ink3); font-size: .875rem; margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.25rem; margin-top: 1.5rem; margin-bottom: .5rem; }
.legal p { font-size: .9375rem; color: var(--ink2); }
.legal ul { margin: .5rem 0 1rem 1.5rem; font-size: .9375rem; color: var(--ink2); }

/* ── MISC ── */
a { color: var(--accent); text-decoration: underline; }
a:hover { text-decoration: none; }
img { max-width: 100%; height: auto; }
.placeholder-url { word-break: break-all; font-size: .75rem; color: var(--ink3); }