/* ============================================================
   LIVIGLOW — Support page
   Visual system lifted from the printed after-sales card:
   cream paper, deep green, copper accents, heavy sans headlines,
   thin line rules. Mobile-first — the reader is standing in a
   half-finished bathroom holding a phone.
   ============================================================ */

:root {
  --paper:      #f4f1ea;
  --paper-2:    #ece8de;
  --card:       #fffdf8;
  --ink:        #16181a;
  --ink-soft:   #5a5f5c;
  --green:      #0b4f3f;
  --green-dk:   #073a2e;
  --green-soft: #e6ede9;
  --copper:     #a8794e;
  --line:       rgba(11, 79, 63, .20);
  --line-light: rgba(255, 255, 255, .28);
  --danger:     #9a3412;

  --wrap:  760px;
  --r:     4px;
  --tap:   48px;          /* minimum touch target — wet hands */

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
          Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap--center { text-align: center; }

/* ── Masthead ─────────────────────────────────────────────── */

.masthead {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.masthead__inner {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-block: 18px;
}
.wordmark {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .22em;
  color: var(--green);
}
.wordmark--sm { font-size: .85rem; }
.masthead__tag {
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
}

/* ── Sticky section nav ───────────────────────────────────── */

.subnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 241, 234, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.subnav__scroll {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 12px;
}
.subnav__scroll::-webkit-scrollbar { display: none; }
.subnav a {
  flex: 0 0 auto;
  padding: 14px 12px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}
.subnav a.is-active { color: var(--green); border-bottom-color: var(--copper); }

/* ── Hero ─────────────────────────────────────────────────── */

.hero { padding: 44px 0 36px; }
.eyebrow {
  margin: 0 0 14px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
}
.hero__title {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 12vw, 4rem);
  font-weight: 900;
  line-height: .95;
  letter-spacing: -.03em;
  text-transform: uppercase;
}
.hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

/* ── Model picker ─────────────────────────────────────────── */

.picker {
  padding: 26px 0 30px;
  background: var(--green-soft);
  border-block: 1px solid var(--line);
}
.picker__h {
  margin: 0 0 16px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}
.picker__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.model {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: var(--tap);
  padding: 14px 16px;
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
}
.model:hover { border-color: var(--green); }
.model[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.model__sku { font-weight: 800; letter-spacing: .06em; font-size: .95rem; }
.model__name { font-size: .8rem; opacity: .75; }
.picker__hint {
  margin: 14px 0 0;
  font-size: .85rem;
  color: var(--ink-soft);
}

/* ── Bands ────────────────────────────────────────────────── */

.band { padding: 46px 0; border-bottom: 1px solid var(--line); }
.band--paper { background: var(--paper-2); }
.band--edge  { background: var(--card); }
.band--green {
  background: var(--green);
  color: #fff;
  border-bottom-color: var(--green-dk);
}
.band--green a { color: #fff; }

.sec-num {
  margin: 0 0 4px;
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
  color: var(--copper);
}
.sec-num--light { color: rgba(255, 255, 255, .55); }
.sec-h {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 6.5vw, 2.1rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--green);
}
.sec-h--light { color: #fff; }
.sec-lead { margin: 0 0 26px; max-width: 52ch; color: var(--ink-soft); }
.sec-lead--light { color: rgba(255, 255, 255, .8); }

.band__cta { margin: 26px 0 0; font-size: .92rem; }

/* ── Dimensions ───────────────────────────────────────────── */

.dim { display: grid; gap: 22px; }
.dim__figure {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.dim__summary {
  margin: 0 0 14px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.dim__table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.dim__table th,
.dim__table td { padding: 10px 0; border-bottom: 1px solid var(--line); text-align: left; }
.dim__table th { font-weight: 500; color: var(--ink-soft); }
.dim__table td { font-weight: 700; text-align: right; }

.warn {
  margin: 18px 0 0;
  padding: 12px 14px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--danger);
  background: #fdf3ee;
  border-left: 3px solid var(--danger);
  border-radius: 0 var(--r) var(--r) 0;
}

/* ── Steps ────────────────────────────────────────────────── */

.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step {
  counter-increment: step;
  position: relative;
  padding: 0 0 26px 46px;
  border-left: 1px solid var(--line);
  margin-left: 14px;
}
.step:last-child { border-left-color: transparent; padding-bottom: 0; }
.step::before {
  content: counter(step);
  position: absolute;
  left: -14px;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-size: .8rem;
  font-weight: 800;
  color: #fff;
  background: var(--green);
  border-radius: 50%;
}
.step__t { margin: 2px 0 6px; font-size: 1.05rem; font-weight: 800; }
.step__b { margin: 0; color: var(--ink-soft); }
.step__img { margin-top: 12px; border: 1px solid var(--line); border-radius: var(--r); }

/* ── Video facade ─────────────────────────────────────────── */

.video__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 0;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--green-dk);
}
.video__btn {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font: inherit;
  font-weight: 700;
  background: var(--green-dk);
  border: 0;
  cursor: pointer;
}

/* ── Tick lists ───────────────────────────────────────────── */

.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.ticks li {
  position: relative;
  padding-left: 28px;
  line-height: 1.55;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .45em;
  width: 10px;
  height: 5px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: .85;
}
.ticks--dark li::before { color: var(--copper); opacity: 1; }

/* ── FAQ ──────────────────────────────────────────────────── */

.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  width: 100%;
  min-height: var(--tap);
  padding: 16px 0;
  font: inherit;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  background: none;
  border: 0;
  cursor: pointer;
}
.faq__q::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--copper);
}
.faq__q[aria-expanded="true"]::after { content: "–"; }
.faq__a { margin: 0; padding: 0 0 18px; max-width: 56ch; color: var(--ink-soft); }
.faq__a[hidden] { display: none; }

/* ── Forms ────────────────────────────────────────────────── */

.form { margin-top: 26px; }
.form--inline { margin-top: 22px; }

.field { margin-bottom: 18px; border: 0; padding: 0; }
.field > label,
.field > legend {
  display: block;
  margin-bottom: 6px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--green);
}
.opt { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--ink-soft); }

.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible,
.btn:focus-visible,
.faq__q:focus-visible,
.model:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"],
.field select[aria-invalid="true"] { border-color: var(--danger); }

.field input[type="file"] {
  width: 100%;
  padding: 12px 0;
  font: inherit;
  font-size: .9rem;
}

.grid-2 { display: grid; gap: 0 16px; }

.choices { display: grid; gap: 8px; }
.choices label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--tap);
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
}
.choices input { width: 18px; height: 18px; accent-color: var(--green); }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 20px;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
/* CAN-SPAM / list hygiene: never pre-check this box. */
.consent input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  accent-color: var(--green);
}

.hint { margin: 8px 0 0; font-size: .85rem; color: var(--ink-soft); }

.thumb { margin-top: 12px; }
.thumb img {
  max-width: 160px;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 14px 26px;
  font: inherit;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: var(--r);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--green-dk); border-color: var(--green-dk); }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn--dark { background: var(--green-dk); border-color: var(--green-dk); }
.btn--light {
  color: var(--green);
  background: #fff;
  border-color: #fff;
  margin-top: 12px;
}
.btn--light:hover { background: var(--paper); border-color: var(--paper); }

.form__status { margin: 14px 0 0; font-size: .92rem; font-weight: 600; min-height: 1.2em; }
.form__status.is-ok  { color: var(--green); }
.form__status.is-err { color: var(--danger); }

/* ── Footer ───────────────────────────────────────────────── */

.foot {
  padding: 34px 0 46px;
  background: var(--paper-2);
  font-size: .85rem;
  color: var(--ink-soft);
}
.foot__addr  { margin: 12px 0 6px; max-width: 44ch; }
.foot__links { margin: 0; }

/* ── Wider screens ────────────────────────────────────────── */

@media (min-width: 620px) {
  .hero { padding: 64px 0 48px; }
  .band { padding: 64px 0; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .dim { grid-template-columns: 1fr 1fr; align-items: start; }
  .choices { grid-template-columns: 1fr 1fr; }
  .form--inline { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
  .form--inline .consent,
  .form--inline .btn,
  .form--inline .form__status { grid-column: 1 / -1; }
  .form--inline .btn { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}