/* HERBALMINES — geological strata / mineral specimen
   moss + herb green + ore ochre + clay on sand */

:root {
  --sand: #d5eedc; --sand2: #bbe0c5;
  --moss: #313057; --mossdeep: #1e2135;
  --herb: #5998a5; --herblt: #81b7c0;
  --ore: #32bb54; --clay: #3e812f;
  --ink: #1c1f1b; --mute: #645f4e;
}

html { scroll-behavior: auto; }
body { overflow-x: hidden; }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--ore); color: var(--mossdeep); padding: 8px 14px; font-weight: 600; }
.skip-link:focus { left: 8px; }

/* ---------- strata stripes (decorative) ---------- */
.strata {
  background-image: repeating-linear-gradient(
    180deg,
    var(--sand2) 0 6px, var(--clay) 6px 9px, var(--sand) 9px 15px, var(--ore) 15px 17px,
    var(--sand2) 17px 24px, var(--herb) 24px 27px, var(--sand) 27px 33px);
}
.strata--dark {
  background-image: repeating-linear-gradient(
    180deg,
    var(--moss) 0 8px, var(--mossdeep) 8px 12px, var(--moss) 12px 20px, var(--ore) 20px 22px,
    var(--mossdeep) 22px 30px, var(--herb) 30px 32px);
}
.grain {
  background-image: radial-gradient(rgba(28, 31, 27,.06) 1px, transparent 1px);
  background-size: 6px 6px;
}
.grain-dark {
  background-image: radial-gradient(rgba(255, 255, 255,.05) 1px, transparent 1px);
  background-size: 6px 6px;
}

/* ---------- labels ---------- */
.mono { font-family: "DM Mono", monospace; letter-spacing: .04em; }
.cap { font-family: "DM Mono", monospace; font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; }

.layer { display: inline-flex; align-items: center; gap: 12px; }
.layer__tag { font-family: "DM Mono", monospace; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; padding: 5px 10px; background: var(--ore); color: var(--mossdeep); clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%); padding-right: 18px; }
.layer__rule { width: 40px; height: 2px; background: currentColor; opacity: .4; }

/* ---------- depth gauge ---------- */
.gauge { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 40; display: none; flex-direction: column; align-items: center; gap: 10px; color: var(--moss); font-family: "DM Mono", monospace; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; mix-blend-mode: normal; }
.gauge__track { position: relative; width: 6px; height: 160px; background: rgba(49, 48, 87,.2); border: 1px solid rgba(49, 48, 87,.45); }
.gauge__fill { position: absolute; left: 0; right: 0; top: 0; height: 0; background: var(--ore); }
.gauge__val { writing-mode: horizontal-tb; font-weight: 600; background: var(--sand); padding: 2px 5px; border: 1px solid rgba(49, 48, 87,.45); }
@media (min-width: 1380px) { .gauge { display: flex; } }

/* ---------- cards ---------- */
.tag-card {
  position: relative; background: #e3f6e9; border: 2px solid var(--ink);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform .3s ease, background .3s ease;
}
.tag-card::before { content: ""; position: absolute; top: 14px; right: 14px; width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--ink); background: var(--sand); }
.tag-card:hover { transform: translateY(-4px); background: #ffffff; }
.tag-card__bar { height: 14px; }

.pill { font-family: "DM Mono", monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 3px 9px; border: 1px solid var(--moss); color: var(--moss); border-radius: 999px; }

.hard { display: flex; gap: 4px; }
.hard i { width: 14px; height: 6px; background: rgba(49, 48, 87,.2); }
.hard i.on { background: var(--ore); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; font-family: "Bricolage Grotesque", sans-serif; font-weight: 800; font-size: 19px; letter-spacing: .1em; text-transform: uppercase; padding: 13px 26px; border: 2px solid currentColor; cursor: pointer; transition: background .2s, color .2s, transform .2s, box-shadow .2s; }
.btn--ore { background: var(--ore); border-color: var(--ore); color: var(--mossdeep); }
.btn--ore:hover { background: #1ddd4c; border-color: #1ddd4c; transform: translateY(-2px); box-shadow: 0 5px 0 rgba(0, 0, 0,.25); }
.btn--moss { background: var(--moss); border-color: var(--moss); color: #ffffff; }
.btn--moss:hover { background: var(--mossdeep); transform: translateY(-2px); box-shadow: 0 5px 0 var(--ore); }
.btn--line { color: var(--moss); border-color: var(--moss); }
.btn--line:hover { background: var(--moss); color: #ffffff; }
.btn--sm { padding: 8px 18px; font-size: 16px; }
.btn__arrow { width: 18px; height: 10px; position: relative; display: inline-block; transition: transform .2s; }
.btn__arrow::before { content: ""; position: absolute; left: 0; right: 1px; top: 50%; height: 2px; background: currentColor; transform: translateY(-50%); }
.btn__arrow::after { content: ""; position: absolute; right: 1px; top: 50%; width: 8px; height: 8px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; transform: translateY(-50%) rotate(45deg); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.nl { position: relative; padding: 6px 0; }
.nl::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--ore); transition: width .25s; }
.nl:hover::after { width: 100%; }

/* ---------- specimen plate (hero) ---------- */
.plate { position: relative; background: #e3f6e9; border: 2px solid var(--ink); box-shadow: 10px 10px 0 var(--moss); }
.plate__label { border-top: 2px dashed var(--ink); background: var(--sand2); }
.sway { transform-origin: 50% 100%; animation: sway 7s ease-in-out infinite; }
@keyframes sway { 0%,100% { transform: rotate(-1.5deg); } 50% { transform: rotate(1.5deg); } }
.glint { animation: glint 5s ease-in-out infinite; }
@keyframes glint { 0%,100% { opacity: .35; } 50% { opacity: .9; } }

/* ---------- process shaft ---------- */
.shaft { position: relative; }
.shaft::before { content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: repeating-linear-gradient(180deg, var(--ore) 0 8px, transparent 8px 14px); }
.node { position: relative; z-index: 1; width: 40px; height: 40px; display: grid; place-items: center; background: var(--ore); color: var(--mossdeep); font-family: "Bricolage Grotesque", sans-serif; font-weight: 900; font-size: 22px; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }

/* ---------- crystals (why) ---------- */
.crystal { width: 56px; height: 64px; flex: none; clip-path: polygon(50% 0, 100% 24%, 100% 76%, 50% 100%, 0 76%, 0 24%); background: linear-gradient(135deg, var(--herblt) 0 50%, var(--herb) 50% 100%); position: relative; }
.crystal::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(255, 255, 255,.55) 0 22%, transparent 22% 60%, rgba(0, 0, 0,.14) 60%); }
.crystal--ore { background: linear-gradient(135deg, #1ddd4c 0 50%, var(--ore) 50% 100%); }
.crystal--clay { background: linear-gradient(135deg, #43a930 0 50%, var(--clay) 50% 100%); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 2px solid var(--ink); }
.faq-item:first-child { border-top: 2px solid var(--ink); }
.faq-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; text-align: left; padding: 22px 0; cursor: pointer; }
.faq-trigger:hover .faq-q { color: var(--herb); }
.faq-x { position: relative; width: 32px; height: 36px; flex: none; background: var(--sand2); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); transition: background .2s, transform .3s; }
.faq-x::before, .faq-x::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--ink); transform: translate(-50%, -50%); }
.faq-x::before { width: 12px; height: 2px; }
.faq-x::after { width: 2px; height: 12px; transition: transform .3s; }
.faq-item[data-state="open"] .faq-x { background: var(--ore); }
.faq-item[data-state="open"] .faq-x::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[data-state="open"] .faq-q { color: var(--herb); }
.faq-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.faq-body > * { overflow: hidden; min-height: 0; }
.faq-item[data-state="open"] .faq-body { grid-template-rows: 1fr; }

/* ---------- form ---------- */
.formcard { background: var(--sand); color: var(--ink); border: 2px solid var(--ink); box-shadow: 10px 10px 0 var(--ore); }
.fieldbox { display: block; border: 2px solid var(--ink); background: #ffffff; padding: 8px 12px 6px; transition: box-shadow .2s, border-color .2s; }
.fieldbox:focus-within { border-color: var(--herb); box-shadow: 0 0 0 3px rgba(89, 152, 165,.35); }
.lbl { display: block; font-family: "DM Mono", monospace; font-weight: 500; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--moss); }
.field { width: 100%; background: transparent; border: 0; outline: 0; font-size: 16px; padding: 4px 0; color: var(--ink); font-family: "Albert Sans", sans-serif; }
select.field { appearance: none; -webkit-appearance: none; cursor: pointer; }
.fieldbox--sel { position: relative; }
.fieldbox--sel::after { content: ""; position: absolute; right: 14px; bottom: 18px; width: 8px; height: 8px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); pointer-events: none; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--reveal-delay, 0ms); }
[data-reveal].is-visible { opacity: 1; transform: none; }
.tag-card[data-reveal].is-visible { transition: opacity .6s ease var(--reveal-delay, 0ms), transform .3s ease, background .3s ease; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 90; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; background: var(--mossdeep); color: #ffffff; border: 2px solid var(--ore); padding: 14px 22px; font-size: 15px; max-width: calc(100vw - 32px); transition: opacity .3s, transform .3s; }
.toast.is-shown { opacity: 1; transform: translate(-50%, 0); }
.toast__msg::before { content: "✓ "; color: var(--ore); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .sway, .glint { animation: none; }
}