/* ==========================================================================
   SuperSimpleSoft.com — "Split" design system
   Motif: the logo's diagonally split S (steel blue / silver).
   Discipline: strict duotone, flat fills, diagonal seams, engineering type.
   ========================================================================== */

:root {
  /* palette — from the logo */
  --blue:        #1E5A8A;   /* logo steel blue */
  --blue-deep:   #103D63;   /* hero / CTA panels */
  --blue-bright: #2E7BB8;   /* hover / links on dark */
  --silver:      #A9ADB2;   /* logo silver — hairlines + decor only */
  --silver-ink:  #7A828A;   /* silver as LARGE display text (≥3:1 on white) */
  --steel:       #5C6670;   /* secondary body text (≥4.5:1 on white) */
  --ink:         #14212B;   /* primary text */
  --paper:       #FFFFFF;
  --paper-2:     #EEF2F5;   /* cool panel */
  --live:        #1F7A43;   /* "live" status dot + label, semantic only */

  /* type */
  --display: "Bahnschrift", "DIN Alternate", "Franklin Gothic Medium", "Arial Narrow", system-ui, sans-serif;
  --body: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", "Roboto Mono", monospace;

  /* geometry */
  --seam: 4.5rem;           /* height of the diagonal seam cut */
  --radius: 2px;            /* near-square: engineering, not bubbly */
  --max: 72rem;
}

/* --- reset-lite ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}
img, svg { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.08; margin: 0 0 0.6em; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--blue-bright); }
ul, ol { padding-left: 1.25rem; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2.5px solid var(--blue-bright); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--blue-deep); color: #fff; padding: 0.6rem 1rem;
}
.skip-link:focus { left: 0; }

/* --- shared layout atoms --------------------------------------------------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }

/* kicker: engineering title-block field */
.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 0.9rem;
}
.kicker::before { content: "// "; color: var(--silver); }
.on-dark .kicker { color: #9FC6E8; }
.on-dark .kicker::before { color: rgba(255,255,255,0.4); }

/* two-tone headline motif (SUPER silver / SIMPLE blue) */
.tt-a { color: var(--silver-ink); }
.tt-b { color: var(--blue); }
.on-dark .tt-a { color: var(--silver); }
.on-dark .tt-b { color: #9FC6E8; }

h1 { font-size: clamp(2.6rem, 6.2vw, 4.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.22rem; font-weight: 650; }
.lead { font-size: clamp(1.1rem, 1.8vw, 1.3rem); color: var(--steel); max-width: 44em; }
.on-dark .lead { color: rgba(255,255,255,0.78); }

/* --- buttons --------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.78rem 1.5rem;
  border: 2px solid var(--blue);
  border-radius: var(--radius);
  color: var(--blue);
  background: transparent;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}
.btn:hover { background: var(--paper-2); color: var(--blue-deep); }
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }
.btn-invert { border-color: #fff; color: #fff; }
.btn-invert:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn-invert-solid { background: #fff; border-color: #fff; color: var(--blue-deep); }
.btn-invert-solid:hover { background: var(--paper-2); border-color: var(--paper-2); color: var(--blue-deep); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

/* --- nav -------------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--paper-2);
  backdrop-filter: saturate(140%) blur(6px);
}
.nav-in {
  max-width: var(--max); margin: 0 auto; padding: 0.65rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-word {
  font-family: var(--display); font-size: 1.06rem; font-weight: 700;
  letter-spacing: 0.045em; text-transform: uppercase; white-space: nowrap;
}
.brand-word .w-super { color: var(--silver-ink); }
.brand-word .w-simple { color: var(--blue); }
.brand-word .w-soft { color: var(--ink); }

.nav-toggle {
  display: none;
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.1em;
  background: none; border: 2px solid var(--blue); border-radius: var(--radius);
  color: var(--blue); padding: 0.45rem 0.9rem; cursor: pointer;
}
.nav-menu {
  display: flex; align-items: center; gap: 1.4rem;
  list-style: none; margin: 0; padding: 0;
}
.nav-menu a:not(.btn) {
  font-family: var(--display); font-size: 0.98rem; letter-spacing: 0.02em;
  color: var(--ink); text-decoration: none; padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.nav-menu a:not(.btn):hover { color: var(--blue); }
.nav-menu a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.nav-menu .btn { padding: 0.55rem 1.1rem; font-size: 0.95rem; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .nav-menu {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 2px solid var(--blue);
    padding: 0.5rem 1.25rem 1.25rem;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { border-top: 1px solid var(--paper-2); }
  .nav-menu a:not(.btn) { display: block; padding: 0.85rem 0; }
  .nav-menu .btn { margin-top: 0.9rem; text-align: center; }
}

/* --- hero + diagonal seam ---------------------------------------------------- */
.hero {
  background: var(--paper);
  padding: 5rem 0 0;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 3rem; align-items: start;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* the seam: a band cut on the logo's diagonal */
.seam-down {                 /* light section -> dark band below */
  height: var(--seam);
  background: var(--blue-deep);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}
.seam-up {                   /* dark band -> light section below */
  height: var(--seam);
  background: var(--blue-deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}
.seam-silver-down { height: var(--seam); background: var(--paper-2); clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%); }
.seam-silver-up { height: var(--seam); background: var(--paper-2); clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0); }

.band { background: var(--blue-deep); color: #fff; }
.band-silver { background: var(--paper-2); }
.band h2, .band h3 { color: #fff; }

/* --- ticker: mono fact strip -------------------------------------------------- */
.ticker {
  border-top: 1px solid var(--paper-2);
  border-bottom: 1px solid var(--paper-2);
  padding: 0.85rem 0;
}
.ticker ul {
  list-style: none; margin: 0; padding: 0 1.25rem;
  max-width: var(--max); margin-inline: auto;
  display: flex; flex-wrap: wrap; gap: 0.4rem 2.4rem;
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--steel);
}
.ticker li::before { content: "▪ "; color: var(--blue); }

/* --- lineup cards --------------------------------------------------------------- */
.lineup { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
@media (max-width: 900px) { .lineup { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 1.6rem;
  background: var(--paper);
  display: flex; flex-direction: column; gap: 0.35rem;
}
.card h3 { margin-bottom: 0.2rem; }
.card p { color: var(--steel); font-size: 0.98rem; margin-bottom: 0.6rem; }
.card .card-cta { margin-top: auto; font-family: var(--display); text-decoration: none; }
.card .card-cta::after { content: " →"; }

.card-featured {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2rem; align-items: center;
  color: #fff;
  background: var(--blue-deep);
  border: none;
  padding: 2.4rem;
  position: relative;
  overflow: hidden;
}
.card-featured::after {      /* the split motif, echoed in the featured card */
  content: "";
  position: absolute; inset: 0;
  background: var(--blue);
  clip-path: polygon(100% 0, 100% 100%, 62% 100%);
  opacity: 0.55;
  pointer-events: none;
}
.card-featured > * { position: relative; z-index: 1; }
.card-featured h3 { font-size: clamp(1.5rem, 3vw, 2.1rem); color: #fff; }
.card-featured p { color: rgba(255,255,255,0.82); font-size: 1.05rem; }
@media (max-width: 900px) { .card-featured { grid-template-columns: 1fr; } }

.chip-live {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--live);
}
.card-featured .chip-live, .on-dark .chip-live { color: #7FE0A5; }
.chip-live::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: currentColor; flex: none;
}

/* --- proof / product mini-cards on flagship -------------------------------------- */
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
@media (max-width: 900px) { .proof-grid { grid-template-columns: 1fr; } }
.proof {
  border: 1px solid var(--silver); border-radius: var(--radius);
  padding: 1.5rem; background: var(--paper);
}
.proof .mono-tag {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--steel); display: block; margin-bottom: 0.7rem;
}
.proof p { color: var(--steel); font-size: 0.97rem; }

/* --- the 8-week rail (flagship signature) ------------------------------------------ */
.rail { margin-top: 2.6rem; }
.rail-track {
  display: grid;
  grid-template-columns: 1fr 2fr 4fr 2fr;   /* wk0 | wk1-2 | wk3-6 | wk7-8 */
  gap: 4px;
}
.rail-seg {
  border-radius: var(--radius);
  padding: 0.9rem 1rem 1rem;
  min-height: 7.2rem;
  color: #fff;
  display: flex; flex-direction: column; justify-content: space-between; gap: 0.4rem;
}
.rail-seg .rs-name { font-family: var(--display); font-weight: 700; font-size: 1.02rem; line-height: 1.2; }
.rail-seg .rs-out { font-size: 0.85rem; opacity: 0.85; line-height: 1.35; }
.rail-a { background: var(--steel); }
.rail-b { background: var(--blue); }
.rail-c { background: var(--blue-deep); }
.rail-d { background: var(--ink); }
.rail-ticks {
  display: grid; grid-template-columns: repeat(9, 1fr);
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--steel); margin-top: 0.5rem;
}
.rail-ticks span { border-left: 1px solid var(--silver); padding: 0.15rem 0 0 0.35rem; }
@media (max-width: 720px) {
  .rail-track { grid-template-columns: 1fr; }
  .rail-seg { min-height: 0; }
  .rail-ticks { display: none; }
}

/* --- schedule rows (how it runs) ---------------------------------------------------- */
.sched { margin-top: 2rem; border-top: 2px solid var(--ink); }
.sched-row {
  display: grid; grid-template-columns: 8rem 14rem 1fr;
  gap: 1.5rem; padding: 1.5rem 0;
  border-bottom: 1px solid var(--silver);
}
.sched-row .sr-wk { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.12em; color: var(--blue); padding-top: 0.3rem; }
.sched-row h3 { margin: 0 0 0.3rem; }
.sched-row .sr-body p { color: var(--steel); margin-bottom: 0.4rem; }
.sched-row .sr-body p:last-child { margin-bottom: 0; }
@media (max-width: 900px) { .sched-row { grid-template-columns: 1fr; gap: 0.4rem; } }

/* --- bill of deliverables table ------------------------------------------------------ */
.bom { margin-top: 2rem; border: 1px solid var(--silver); border-radius: var(--radius); overflow-x: auto; }
.bom table { min-width: 40rem; }
.bom-fit { margin-top: 0; }
.bom-fit table { min-width: 0; }
.bom caption {
  text-align: left; font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--steel);
  padding: 0.8rem 1rem; border-bottom: 1px solid var(--silver);
}
.bom th, .bom td { text-align: left; padding: 0.8rem 1rem; border-bottom: 1px solid var(--paper-2); vertical-align: top; }
.bom tbody tr:last-child th, .bom tbody tr:last-child td { border-bottom: none; }
.bom thead th { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--steel); border-bottom: 1px solid var(--silver); }
.bom tbody th { font-family: var(--display); font-weight: 650; }
.bom td { color: var(--steel); }

/* --- FAQ ------------------------------------------------------------------------------ */
.faq { margin-top: 2rem; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--silver); }
.faq summary {
  cursor: pointer; list-style: none;
  font-family: var(--display); font-weight: 650; font-size: 1.08rem;
  padding: 1.1rem 2.2rem 1.1rem 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0.3rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono); font-size: 1.2rem; color: var(--blue);
}
.faq details[open] summary::after { content: "–"; }
.faq .faq-answer { padding: 0 0 1.2rem; color: var(--steel); max-width: 52em; }

/* --- CTA band -------------------------------------------------------------------------- */
.cta-band { text-align: center; padding: 3.6rem 0 4.4rem; }
.cta-band h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.cta-band .lead { margin-inline: auto; }
.cta-band .btn-row { justify-content: center; }
.cta-mail { font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.06em; }
.cta-band .cta-mail { color: rgba(255,255,255,0.85); }
.cta-band .cta-mail a { color: #fff; }

/* --- footer ------------------------------------------------------------------------------ */
.footer { background: var(--ink); color: rgba(255,255,255,0.8); padding: 3.5rem 0 2rem; font-size: 0.95rem; }
.footer a { color: rgba(255,255,255,0.85); text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--silver); margin-bottom: 1rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 0.55rem; }
.footer .brand-word { font-size: 1.02rem; }
.footer .brand-word .w-soft { color: rgba(255,255,255,0.9); }
.footer-social { display: flex; gap: 0.9rem; margin-top: 1rem; }
.footer-social a {
  display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.35); border-radius: var(--radius);
}
.footer-social a:hover { border-color: #fff; text-decoration: none; }
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }
.footer-legal {
  margin-top: 2.6rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between;
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em;
  color: var(--silver);
}

/* --- quotables (AEO fact strip) ------------------------------------------------------------ */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
@media (max-width: 900px) { .facts { grid-template-columns: 1fr; } }
.fact {
  border-left: 3px solid var(--blue);
  padding: 0.2rem 0 0.2rem 1.1rem;
  font-size: 1.02rem;
}
.on-dark .fact { border-left-color: #9FC6E8; }

/* --- two-column story ------------------------------------------------------------------------ */
.story { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; margin-top: 1rem; }
@media (max-width: 900px) { .story { grid-template-columns: 1fr; } }
.domain-list { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.domain-list li {
  padding: 0.75rem 0; border-bottom: 1px solid var(--paper-2);
  display: flex; gap: 0.9rem; align-items: baseline;
}
.domain-list .dl-era { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; color: var(--blue); flex: none; width: 6.2rem; }

/* --- reveal on scroll (JS adds .in) ----------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 480ms ease, transform 480ms ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}