/* ==========================================================
   Stems — landing page
   Palette: teal on near-black
   ========================================================== */

:root{
  --bg:            #07100e;
  --bg-alt:        #0b1614;
  --surface:       #101f1c;
  --surface-2:     #142623;
  --line:          #1e3733;
  --line-soft:     #172c28;

  --ink:           #e8f2ef;
  --ink-2:         #a9c2bc;
  --ink-3:         #7d9a94;

  --accent:        #2dd4bf;
  --accent-deep:   #14b8a6;
  --accent-dim:    #0f766e;
  --accent-glow:   rgba(45,212,191,.14);

  --warn:          #f0a868;

  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;

  --wrap: 1120px;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;

  --step-fluid: clamp(2.6rem, 1.3rem + 4.2vw, 4.6rem);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition:none !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:var(--accent); text-decoration:none; }
a:hover{ color:var(--ink); }

h1,h2,h3{ line-height:1.15; letter-spacing:-.02em; margin:0 0 .6em; font-weight:650; }
h1{ font-size:var(--step-fluid); letter-spacing:-.035em; }
h2{ font-size:clamp(1.7rem,1.1rem + 1.9vw,2.5rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 1.1em; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:24px; }
.wrap.narrow{ max-width:760px; }
.center{ text-align:center; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--accent); color:#04120f; padding:12px 18px; border-radius:0 0 var(--r-sm) 0;
}
.skip:focus{ left:0; }

:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

/* ── header ───────────────────────────────────────────── */
.site-head{
  position:sticky; top:0; z-index:50;
  background:rgba(7,16,14,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.head-inner{ display:flex; align-items:center; gap:28px; height:66px; }

.brand{
  display:inline-flex; align-items:center; gap:9px;
  color:var(--ink); font-weight:640; font-size:1.12rem; letter-spacing:-.02em;
}
.brand:hover{ color:var(--ink); }
.brand-mark{ width:26px; height:26px; color:var(--accent); flex:none; }

.head-nav{ display:flex; gap:26px; margin-left:auto; }
.head-nav a{ color:var(--ink-2); font-size:.95rem; }
.head-nav a:hover{ color:var(--ink); }

/* ── buttons ──────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 22px;
  background:var(--accent); color:#04120f;
  font-weight:640; font-size:.98rem; letter-spacing:-.01em;
  border-radius:var(--r-sm); border:1px solid var(--accent);
  transition:background .16s ease, transform .16s ease, box-shadow .16s ease;
  white-space:nowrap;
}
.btn:hover{ background:#5fe6d5; border-color:#5fe6d5; color:#04120f; transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }

.btn-lg{ padding:15px 30px; font-size:1.04rem; }
.btn-sm{ padding:9px 16px; font-size:.9rem; }
.btn-block{ width:100%; }

.btn-ghost{
  background:transparent; color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{ background:var(--surface); border-color:var(--accent-dim); color:var(--ink); transform:translateY(-1px); }

/* ── hero ─────────────────────────────────────────────── */
.hero{
  padding:96px 0 88px;
  background:
    radial-gradient(900px 460px at 12% -8%, var(--accent-glow), transparent 62%),
    radial-gradient(700px 400px at 92% 4%, rgba(20,184,166,.07), transparent 60%);
  border-bottom:1px solid var(--line-soft);
}
.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.86rem; color:var(--ink-2); font-weight:520;
  border:1px solid var(--line); background:var(--surface);
  padding:7px 15px; border-radius:999px; margin:0 0 26px;
}
.dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); flex:none; }

.hero h1{ max-width:17ch; }
.hero h1 em{ font-style:normal; color:var(--accent); }

.lede{
  max-width:62ch; font-size:1.16rem; color:var(--ink-2); margin-top:26px;
}
.cta-row{ display:flex; flex-wrap:wrap; gap:14px; margin:34px 0 16px; }
.micro{ font-size:.88rem; color:var(--ink-3); margin:0; }

/* ── bands ────────────────────────────────────────────── */
.band{ padding:84px 0; border-bottom:1px solid var(--line-soft); }
.band.alt{ background:var(--bg-alt); }
.section-title{ margin-bottom:44px; }
.sub{ color:var(--ink-2); margin-top:-.4em; }

.band p{ color:var(--ink-2); }
.band strong{ color:var(--ink); font-weight:620; }

.pull{
  font-size:1.3rem; color:var(--ink) !important; font-weight:560;
  border-left:3px solid var(--accent); padding-left:20px; margin-top:30px;
}

/* ── modules ──────────────────────────────────────────── */
.modules{ display:grid; gap:20px; }
.module{
  display:grid; grid-template-columns:auto 1fr; gap:26px;
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-lg); padding:34px;
}
/* Grid children default to min-width:auto, which lets the wide blueprint
   table push the whole page sideways on narrow screens. Force them to
   shrink so .table-scroll can do its job. */
.module > *{ min-width:0; }
.module-num{
  font-size:.86rem; font-weight:680; color:var(--accent);
  letter-spacing:.1em; padding-top:6px;
}
.module h3{ margin-bottom:.25em; }
.module-sub{ color:var(--ink-3) !important; font-size:.95rem; margin-bottom:1.1em; }
.module-note{
  font-size:.94rem; color:var(--ink-3) !important;
  border-top:1px solid var(--line-soft); padding-top:16px; margin:20px 0 0;
}

/* lists */
.ticks, .crosses{ list-style:none; padding:0; margin:0 0 1.1em; display:grid; gap:11px; }
.ticks li, .crosses li{ position:relative; padding-left:29px; color:var(--ink-2); }
.ticks li::before{
  content:""; position:absolute; left:2px; top:.55em;
  width:12px; height:7px; border-left:2px solid var(--accent); border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.crosses li::before{
  content:"✕"; position:absolute; left:2px; top:0;
  color:var(--warn); font-size:.9rem; font-weight:700;
}

/* blueprint table */
.table-scroll{ overflow-x:auto; margin:0 0 4px; }
table.bp{ width:100%; border-collapse:collapse; font-size:.96rem; min-width:520px; }
table.bp th, table.bp td{
  text-align:left; padding:13px 16px; border-bottom:1px solid var(--line-soft); vertical-align:top;
}
table.bp thead th{
  font-size:.78rem; text-transform:uppercase; letter-spacing:.09em;
  color:var(--ink-3); font-weight:600; border-bottom-color:var(--line);
}
table.bp tbody th{ color:var(--ink); font-weight:600; width:42%; }
table.bp td{ color:var(--ink-2); }
table.bp tbody tr:last-child th, table.bp tbody tr:last-child td{ border-bottom:none; }

/* ── fit grid ─────────────────────────────────────────── */
.fit-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.fit{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-lg); padding:34px;
}
.fit h2{ font-size:1.45rem; margin-bottom:.9em; }
.fit-yes{ border-top:3px solid var(--accent); }
.fit-no{ border-top:3px solid var(--warn); }
.fit-no h2 em{ font-style:normal; color:var(--warn); }
.fit-note{ font-size:.92rem; color:var(--ink-3) !important; margin-top:-.6em; }

/* ── requirements ─────────────────────────────────────── */
.reqs{ list-style:none; padding:0; margin:28px 0 0; display:grid; gap:2px; }
.reqs li{
  display:grid; grid-template-columns:210px 1fr; gap:20px;
  padding:16px 0; border-bottom:1px solid var(--line-soft);
}
.reqs li:first-child{ border-top:1px solid var(--line-soft); }
.req-k{ color:var(--ink); font-weight:600; }
.req-v{ color:var(--ink-2); }

/* ── pricing ──────────────────────────────────────────── */
.plans{ display:grid; grid-template-columns:1fr 1fr; gap:20px; align-items:start; }
.plan{
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-lg); padding:34px; position:relative;
}
.plan-main{
  border-color:var(--accent-dim);
  box-shadow:0 0 0 1px rgba(45,212,191,.12), 0 22px 60px -30px rgba(45,212,191,.4);
  background:linear-gradient(180deg, var(--surface-2), var(--surface));
}
.plan-tag{
  display:inline-block; font-size:.74rem; font-weight:660;
  text-transform:uppercase; letter-spacing:.1em;
  color:#04120f; background:var(--accent);
  padding:5px 11px; border-radius:999px; margin-bottom:18px;
}
.plan-tag-soft{ background:var(--line); color:var(--ink-2); }
.plan h3{ font-size:1.35rem; margin-bottom:.3em; }
.price{
  font-size:3.1rem; font-weight:680; letter-spacing:-.04em;
  color:var(--ink); margin:.1em 0 .1em; line-height:1;
}
.price .cur{ font-size:1.5rem; vertical-align:super; margin-right:2px; color:var(--ink-2); }
.price .per{ font-size:1.05rem; font-weight:500; color:var(--ink-3); letter-spacing:0; }
.plan-sub{ color:var(--ink-3) !important; font-size:.96rem; margin-bottom:1.5em; }
.plan .ticks{ margin-bottom:1.8em; }

/* ── faq ──────────────────────────────────────────────── */
.faq{ display:grid; gap:2px; }
.faq details{ border-bottom:1px solid var(--line-soft); }
.faq details:first-child{ border-top:1px solid var(--line-soft); }
.faq summary{
  cursor:pointer; list-style:none; padding:22px 44px 22px 0;
  font-weight:590; font-size:1.06rem; color:var(--ink);
  position:relative;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:""; position:absolute; right:6px; top:29px;
  width:10px; height:10px;
  border-right:2px solid var(--accent); border-bottom:2px solid var(--accent);
  transform:rotate(45deg); transition:transform .18s ease;
}
.faq details[open] summary::after{ transform:rotate(-135deg); top:33px; }
.faq summary:hover{ color:var(--accent); }
.ans{ padding:0 0 22px; }
.ans p{ margin:0; color:var(--ink-2); }

/* ── close ────────────────────────────────────────────── */
.close{
  padding:96px 0 104px; text-align:center;
  background:
    radial-gradient(760px 380px at 50% 110%, var(--accent-glow), transparent 66%);
}
.close p{ color:var(--ink-2); max-width:58ch; margin-inline:auto; }
.close .btn{ margin-top:22px; }

/* ── footer ───────────────────────────────────────────── */
.site-foot{ background:var(--bg-alt); border-top:1px solid var(--line-soft); padding:52px 0 26px; }
.foot-inner{ display:flex; flex-wrap:wrap; gap:28px; justify-content:space-between; align-items:flex-start; }
.brand-foot{ font-size:1.05rem; }
.foot-note{ color:var(--ink-3); font-size:.92rem; margin:12px 0 0; max-width:38ch; }
.foot-links{ display:flex; flex-wrap:wrap; gap:24px; }
.foot-links a{ color:var(--ink-2); font-size:.94rem; }
.foot-links a:hover{ color:var(--accent); }
.foot-legal{ margin-top:34px; padding-top:20px; border-top:1px solid var(--line-soft); }
.foot-legal p{ color:var(--ink-3); font-size:.86rem; margin:0; }

/* ── responsive ───────────────────────────────────────── */
@media (max-width: 900px){
  .fit-grid, .plans{ grid-template-columns:1fr; }
}
@media (max-width: 720px){
  body{ font-size:16px; }
  .head-nav{ display:none; }
  .head-inner{ gap:14px; }
  .brand span{ font-size:1.05rem; }
  .hero{ padding:64px 0 58px; }
  .band{ padding:60px 0; }
  .close{ padding:70px 0 76px; }
  .module{ grid-template-columns:1fr; gap:14px; padding:26px; }
  .module-num{ padding-top:0; }
  .fit, .plan{ padding:26px; }
  .reqs li{ grid-template-columns:1fr; gap:4px; }
  .cta-row .btn{ width:100%; }
  .price{ font-size:2.7rem; }
}