/* ==========================================================================
   CommSync — vatreminders.ie
   Design tokens and rationale: DESIGN.md
   Contrast ratios noted inline are computed, not estimated.
   ========================================================================== */

:root {
  /* canvas (dark) */
  --canvas:       #0C1512;
  --canvas-2:     #101B16;
  --canvas-3:     #16241E;
  --canvas-line:  #1E2E26;
  --canvas-text:  #D9E4DC;   /* 14.4:1 on --canvas */
  --canvas-dim:   #7E948A;   /*  5.8:1 on --canvas */

  /* paper (light) */
  --paper:        #FFFFFF;
  --paper-2:      #F4F7F3;   /* green-tinted near-white */
  --rule:         #E2E8DE;
  --rule-2:       #CFD9CE;
  --ink:          #14231C;   /* 16.2:1 on white */
  --ink-2:        #3F4D39;   /*  9.0:1 on white */
  --ink-3:        #616F66;   /*  5.3:1 on white, 4.9:1 on --paper-2 */

  /* brand */
  --green:        #0B5C38;   /*  8.0:1 on white */
  --green-deep:   #094A2D;
  --green-bright: #35C97E;   /*  8.9:1 on --canvas */
  --green-wash:   #E8F2EC;
  --amber-ink:    #7E5207;   /*  5.6:1 on white */
  --amber-wash:   #F7EEDC;
  --amber-lit:    #E0A63C;   /*  8.3:1 on --canvas */

  /* type */
  --sans: "Public Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* space */
  --pad:     clamp(20px, 5vw, 64px);
  --band-y:  clamp(64px, 9vw, 132px);
  --wrap:    1180px;

  /* motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);   /* ease-out-quart */

  /* z */
  --z-base: 0; --z-sticky: 100; --z-header: 200; --z-overlay: 300; --z-toast: 400;

  color-scheme: light;
}

/* ── reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

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; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--green); color: #fff; }

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

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: var(--z-toast);
  background: var(--canvas); color: var(--canvas-text);
  padding: 12px 20px; text-decoration: none; font-weight: 600;
}
.skip:focus { left: 12px; top: 12px; }

/* ── layout ──────────────────────────────────────────────────────────────── */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); width: 100%; }
.narrow { max-width: calc(68ch + var(--pad) * 2); }
.narrow-p { max-width: 68ch; }
.centred { text-align: center; margin-inline: auto; }

.band { padding-block: var(--band-y); }
/* clear the sticky header when an in-page anchor is followed */
section[id], #top { scroll-margin-top: 74px; }
.band-paper  { background: var(--paper); }
.band-tint   { background: var(--paper-2); border-block: 1px solid var(--rule); }
.band-canvas { background: var(--canvas); color: var(--canvas-text); }

/* ── type scale ──────────────────────────────────────────────────────────── */
.h-display {
  font-size: clamp(34px, 5.4vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  font-weight: 800;
  text-wrap: balance;
  max-width: 19ch;
}
.h2 {
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  font-weight: 800;
  text-wrap: balance;
  max-width: 24ch;
  margin-bottom: 22px;
}
.h2.centred { max-width: 26ch; }
.h3 {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.25;
  letter-spacing: -0.012em;
  font-weight: 600;
  margin-bottom: 7px;
}
.lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  max-width: 56ch;
  color: var(--canvas-dim);
  text-wrap: pretty;
}
.p {
  font-size: clamp(17px, 1.35vw, 19px);
  line-height: 1.62;
  max-width: 68ch;
  color: var(--ink-2);
  text-wrap: pretty;
}
.p + .p { margin-top: 18px; }
.p-sm { font-size: 16.5px; line-height: 1.55; color: var(--ink-2); max-width: 60ch; text-wrap: pretty; }
.p-note { margin-top: 26px; font-size: 15px; color: var(--ink-3); max-width: 62ch; }

/* Declared after .p / .p-sm / .lede so equal-specificity source order resolves
   in favour of the dark-section colours. Do not move these above. */
.on-dark { color: var(--canvas-text); }
.on-dark-p { color: var(--canvas-dim); }
.band-canvas a:not(.btn) {
  color: var(--canvas-text);
  text-decoration: underline;
  text-decoration-color: rgba(53, 201, 126, .6);
  text-underline-offset: 3px;
}
.band-canvas a:not(.btn):hover { color: var(--green-bright); }

/* ── buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--green-bright); color: #06120C;
  font-weight: 600; font-size: 16.5px;
  padding: 15px 26px; border: 1px solid transparent; border-radius: 4px;
  text-decoration: none; cursor: pointer;
  transition: background .25s var(--ease), transform .25s var(--ease);
  min-height: 48px;
}
.btn:hover { background: #4BDC91; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-ghost {
  background: transparent; color: var(--canvas-text);
  border-color: var(--canvas-line);
}
.btn-ghost:hover { background: var(--canvas-2); border-color: #2C4136; }
.btn-sm { padding: 9px 17px; font-size: 15px; min-height: 40px; }
.btn-block { width: 100%; }

/* ── header ──────────────────────────────────────────────────────────────── */
.top {
  position: sticky; top: 0; z-index: var(--z-header);
  background: var(--canvas);
  border-bottom: 1px solid var(--canvas-line);
  color: var(--canvas-text);
}
.top-in {
  max-width: var(--wrap); margin-inline: auto; padding: 13px var(--pad);
  display: flex; align-items: center; gap: 20px;
}
.wordmark {
  font-family: var(--mono); font-weight: 600; font-size: 15px;
  letter-spacing: .2em; text-decoration: none; white-space: nowrap;
}
.wordmark b { color: var(--green-bright); font-weight: 600; }
.top-nav { display: flex; gap: 26px; margin-left: auto; font-size: 15px; }
.top-nav a { color: var(--canvas-dim); text-decoration: none; transition: color .2s var(--ease); }
.top-nav a:hover { color: var(--canvas-text); }
@media (max-width: 860px) { .top-nav { display: none; } .btn-sm { margin-left: auto; } }

/* ── hero ────────────────────────────────────────────────────────────────── */
.hero {
  background:
    radial-gradient(1100px 520px at 70% -12%, rgba(53, 201, 126, .11), transparent 62%),
    var(--canvas);
  color: var(--canvas-text);
  padding-block: clamp(52px, 8vw, 104px) clamp(56px, 8vw, 100px);
}
.hero-in > * { animation: rise .7s var(--ease) both; }
.hero-in > .lede    { animation-delay: .07s; }
.hero-in > .hero-cta{ animation-delay: .14s; }
.hero-in > .app     { animation-delay: .2s; }
.hero-in > .app-cap { animation-delay: .26s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero .lede { margin-top: 22px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* ── product: cycle board ────────────────────────────────────────────────── */
.app {
  margin-top: clamp(40px, 5vw, 64px);
  background: var(--canvas-2);
  border: 1px solid var(--canvas-line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 40px 110px -34px rgba(0, 0, 0, .85), 0 0 70px -26px rgba(53, 201, 126, .16);
}
.app-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 11px 16px; border-bottom: 1px solid var(--canvas-line);
  font-family: var(--mono); font-size: 12px; color: var(--canvas-dim);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: #2A3B32; }
.app-url { flex: 1; text-align: center; letter-spacing: .04em; }
.live { display: inline-flex; align-items: center; gap: 7px; color: var(--green-bright); letter-spacing: .07em; }
.live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green-bright); box-shadow: 0 0 9px var(--green-bright);
  animation: blip 2.4s var(--ease) infinite;
}
@keyframes blip { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.app-body { padding: clamp(16px, 2.4vw, 26px); }
.board-head {
  display: flex; flex-wrap: wrap; gap: 12px 20px;
  align-items: baseline; justify-content: space-between;
  padding-bottom: 16px; border-bottom: 1px solid var(--canvas-line);
}
.board-title { font-size: 17px; font-weight: 600; letter-spacing: -.01em; color: var(--canvas-text); }
.board-sub { font-size: 13.5px; color: var(--canvas-dim); margin-top: 3px; }
.board-mode { font-family: var(--mono); font-size: 12.5px; color: var(--canvas-dim); }
.board-mode b { color: var(--canvas-text); font-weight: 600; }

.stages { list-style: none; padding: 0; margin: 4px 0 0; }
.stage {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto auto;
  gap: 8px 16px; align-items: center;
  padding: 15px 6px;
  border-bottom: 1px solid var(--canvas-line);
  animation: rise .55s var(--ease) both;
  animation-delay: calc(.3s + var(--i) * .07s);
}
.stage-n { font-size: 13px; color: var(--canvas-dim); }
.stage-name { font-size: 15.5px; font-weight: 600; color: var(--canvas-text); min-width: 0; }
.stage-name small { display: block; font-size: 13px; font-weight: 400; color: var(--canvas-dim); margin-top: 1px; }
.stage-count { font-size: 19px; font-weight: 600; color: var(--canvas-text); text-align: right; }
.stage-count small { display: block; font-family: var(--sans); font-size: 12px; font-weight: 400; color: var(--canvas-dim); }
.stage.is-done .stage-n { color: var(--green-bright); }
.stage.is-now { background: rgba(53, 201, 126, .05); }
.stage:not(.is-done):not(.is-now) .stage-name,
.stage:not(.is-done):not(.is-now) .stage-count { color: var(--canvas-dim); }

.chip {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em;
  text-transform: uppercase; white-space: nowrap;
  padding: 5px 10px; border-radius: 3px;
  border: 1px solid var(--canvas-line); color: var(--canvas-dim);
  display: inline-flex; align-items: center; gap: 6px;
}
.chip-done { color: var(--green-bright); border-color: rgba(53, 201, 126, .34); background: rgba(53, 201, 126, .08); }
.chip-done::before { content: "✓"; font-size: 11px; }
.chip-due { color: var(--amber-lit); border-color: rgba(224, 166, 60, .36); background: rgba(224, 166, 60, .09); }
.chip-due::before { content: "▸"; font-size: 10px; }

.approve {
  margin-top: 20px; padding: 16px 18px;
  background: var(--canvas-3); border: 1px solid var(--canvas-line); border-radius: 5px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
}
.approve-l { font-size: 14.5px; color: var(--canvas-text); }
.approve-l b { font-weight: 600; }
.approve-d { font-family: var(--mono); font-size: 12.5px; color: var(--canvas-dim); margin-top: 4px; line-height: 1.7; }
.approve-btn {
  background: var(--green-bright); color: #06120C;
  font-weight: 600; font-size: 14.5px; padding: 11px 20px; border-radius: 4px; white-space: nowrap;
}
.app-cap { margin-top: 16px; font-size: 14.5px; color: var(--canvas-dim); max-width: 60ch; }

@media (max-width: 620px) {
  .stage { grid-template-columns: 26px minmax(0, 1fr) auto; }
  .stage .chip { grid-column: 2 / -1; justify-self: start; }
  .approve { flex-direction: column; align-items: stretch; }
  .approve-btn { text-align: center; }
}

/* ── sequence ────────────────────────────────────────────────────────────── */
.seq { list-style: none; padding: 0; margin: clamp(30px, 4vw, 48px) 0 0; }
.seq-i {
  display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 20px;
  padding: 24px 0; border-top: 1px solid var(--rule-2);
}
.seq-i:last-child { border-bottom: 1px solid var(--rule-2); }
.seq-n {
  font-size: 15px; font-weight: 600; color: var(--green);
  padding-top: 3px;
}
@media (max-width: 560px) { .seq-i { grid-template-columns: 34px minmax(0, 1fr); gap: 14px; } }

/* ── split (email + form) ────────────────────────────────────────────────── */
.split {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 68px); align-items: start;
}
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }
.split-txt .h2 { max-width: 20ch; }

.ticks { list-style: none; padding: 0; margin-top: 24px; display: grid; gap: 15px; }
.ticks li {
  position: relative; padding-left: 30px;
  font-size: 16.5px; line-height: 1.55; color: var(--canvas-dim); max-width: 46ch;
}
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  color: var(--green-bright); font-size: 14px; font-weight: 700;
}

/* ── mail frame ──────────────────────────────────────────────────────────── */
.mail {
  background: var(--paper); color: var(--ink);
  border-radius: 7px; overflow: hidden;
  box-shadow: 0 34px 90px -32px rgba(0, 0, 0, .8);
}
.mail-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--paper-2); border-bottom: 1px solid var(--rule);
  padding: 10px 18px; font-size: 12.5px; color: var(--ink-3);
}
.mail-folder { font-weight: 600; color: var(--ink-2); }
.mail-acct { font-size: 12px; }
.mail-head { padding: 18px 22px 16px; border-bottom: 1px solid var(--rule); }
.mail-subj { font-size: 17px; font-weight: 600; letter-spacing: -.012em; line-height: 1.3; }
.mail-meta { margin-top: 12px; display: grid; gap: 5px; font-size: 13.5px; }
.mail-meta > div { display: flex; gap: 10px; }
.mail-meta dt { color: var(--ink-3); min-width: 62px; }
.mail-meta dd { color: var(--ink-2); margin: 0; }
.mail-body { padding: 20px 22px 24px; font-size: 15.5px; line-height: 1.62; color: var(--ink-2); }
.mail-body p + p { margin-top: 13px; }
.mail-confirm { margin-top: 17px !important; margin-bottom: 4px; }
.mail-btn {
  display: inline-block; background: var(--green); color: #fff;
  font-size: 14.5px; font-weight: 600; padding: 10px 18px; border-radius: 4px;
}

/* ── modules ─────────────────────────────────────────────────────────────── */
.mods {
  margin-top: clamp(30px, 4vw, 46px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(316px, 1fr)); gap: 1px;
  background: var(--rule-2); border: 1px solid var(--rule-2);
}
.mod {
  background: var(--paper); padding: 24px 22px 22px;
  display: flex; flex-direction: column; gap: 9px;
}
.mod.is-live { background: var(--green-wash); }
.mod-t { font-size: 18px; font-weight: 600; letter-spacing: -.012em; }
.mod-d { font-size: 15.5px; line-height: 1.5; color: var(--ink-2); flex: 1; }
.mod .chip { align-self: flex-start; border-color: var(--rule-2); color: var(--ink-3); }
.mod .chip-done { color: var(--green); border-color: rgba(11, 92, 56, .3); background: rgba(11, 92, 56, .08); }

/* ── control grid ────────────────────────────────────────────────────────── */
.ctrl {
  margin-top: clamp(34px, 4.5vw, 54px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 1px; background: var(--canvas-line);
  border: 1px solid var(--canvas-line);
}
.ctrl-i { background: var(--canvas); padding: 26px 24px; }

/* ── stats ───────────────────────────────────────────────────────────────── */
.stats {
  margin-top: 34px; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule);
}
.stats > div { background: var(--paper); padding: 20px 18px; }
.stats dt { font-size: 13.5px; color: var(--ink-3); line-height: 1.35; }
.stats dd { margin: 8px 0 0; font-size: clamp(28px, 3.4vw, 38px); font-weight: 600; letter-spacing: -.02em; color: var(--green); }

/* ── price ───────────────────────────────────────────────────────────────── */
.price {
  margin-top: clamp(28px, 3.5vw, 42px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px; background: var(--rule-2); border: 1px solid var(--rule-2);
}
.price-main { background: var(--paper); padding: 30px 26px 28px; }
.price-fig { font-size: clamp(32px, 4vw, 44px); font-weight: 800; letter-spacing: -.03em; line-height: 1.05; }
.price-u { font-family: var(--sans); font-size: 15px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.price-lbl { margin-top: 5px; font-size: 15px; font-weight: 600; color: var(--green); }
.price-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 11px; }
.price-list li {
  position: relative; padding-left: 24px; font-size: 16px; line-height: 1.45; color: var(--ink-2);
}
.price-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 2px; background: var(--green); }
.price-add { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--rule); font-size: 15.5px; color: var(--ink-2); }

/* ── form ────────────────────────────────────────────────────────────────── */
.split-form { align-items: start; }
.form {
  background: var(--canvas-2); border: 1px solid var(--canvas-line);
  border-radius: 7px; padding: clamp(22px, 3vw, 30px);
  display: grid; gap: 17px;
}
.field { display: grid; gap: 7px; }
.field label { font-size: 14.5px; font-weight: 600; color: var(--canvas-text); }
.opt { font-weight: 400; color: var(--canvas-dim); }
.field input, .field select, .field textarea {
  background: var(--canvas); border: 1px solid var(--canvas-line);
  border-radius: 4px; padding: 13px 14px; font-size: 16px; color: var(--canvas-text);
  width: 100%; min-height: 48px;
  transition: border-color .2s var(--ease);
}
.field textarea { min-height: 84px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--canvas-dim); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #2C4136; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: #E0645F; }
.err { font-size: 13.5px; color: #F0908B; min-height: 0; }
.err:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { font-size: 15px; color: var(--canvas-dim); line-height: 1.5; }
.form-status.ok { color: var(--green-bright); }
.form-status.bad { color: #F0908B; }
.form.is-sent { text-align: left; }

/* ── footer ──────────────────────────────────────────────────────────────── */
.foot { background: var(--canvas); color: var(--canvas-dim); border-top: 1px solid var(--canvas-line); padding-block: 42px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: baseline; justify-content: space-between; }
.foot-brand { font-family: var(--mono); font-size: 14px; letter-spacing: .2em; color: var(--canvas-text); }
.foot-brand b { color: var(--green-bright); font-weight: 600; }
.foot-txt { font-size: 14.5px; }
.foot-txt a { color: var(--canvas-text); text-decoration-color: var(--canvas-dim); text-underline-offset: 3px; }
.foot-txt a:hover { color: var(--green-bright); }

/* ── reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero-in > *, .stage { opacity: 1 !important; transform: none !important; }
}