/* =========================================================
   LQX7 Project Estimator — editorial / quiet-luxury styling
   Light Swiss-editorial palette + dark result section.
   ========================================================= */

:root {
  --bg:        #F5F2EC;
  --bg-soft:   #EFEBE2;
  --text:      #1A1816;
  --text-2:    #8A857C;
  --olive:     #7B9D6F;
  --olive-dk:  #5F7E55;
  --hair:      #D8D1C8;
  --dark:      #11100E;
  --dark-2:    #1c1a17;
  --on-dark:   #F5F2EC;
  --on-dark-2: #9c968b;

  --max: 1120px;
  --r: 6px;
  --t: 280ms cubic-bezier(.4,0,.2,1);

  --f-head: "Space Grotesk", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "Space Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px){ .container { padding: 0 20px; } }

h1,h2,h3 { font-family: var(--f-head); font-weight: 500; letter-spacing: -.01em; margin: 0; }
p { margin: 0; }
em { font-style: italic; color: var(--text-2); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--olive-dk); margin: 0 0 22px;
}
.eyebrow--light { color: var(--olive); }
.header-label {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--text-2);
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,242,236,.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { text-decoration: none; color: var(--text); }
.brand-mark { font-family: var(--f-head); font-weight: 600; letter-spacing: .28em; font-size: 18px; }
.brand-mark--lg { font-size: 34px; letter-spacing: .22em; }
.header-nav { display: flex; align-items: center; gap: 22px; }
.link-quiet { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; color: var(--text-2); text-decoration: none; transition: color var(--t); }
.link-quiet:hover { color: var(--olive-dk); }

/* ---------- screens ---------- */
.screen { display: none; }
.screen.is-active { display: block; animation: fade .4s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- hero ---------- */
.hero { padding: 96px 0 40px; max-width: 880px; }
.hero-title { font-size: clamp(34px, 6vw, 64px); line-height: 1.02; margin-bottom: 28px; }
.hero-sub { font-size: clamp(17px, 2.2vw, 21px); max-width: 640px; margin-bottom: 18px; }
.hero-note { color: var(--text-2); max-width: 600px; margin-bottom: 40px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 34px; }
.trust-row { list-style: none; display: flex; flex-wrap: wrap; gap: 28px; padding: 0; margin: 0;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .04em; color: var(--text-2); }
.trust-row li { position: relative; padding-left: 16px; }
.trust-row li::before { content: ""; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; background: var(--olive); border-radius: 50%; }

.hero-edu { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; border-top: 1px solid var(--hair); margin-top: 72px; padding-bottom: 80px; }
.edu-card { padding: 36px 28px 0 0; border-left: 1px solid var(--hair); padding-left: 28px; }
.edu-card:first-child { border-left: none; padding-left: 0; }
.edu-index { font-family: var(--f-mono); font-size: 12px; color: var(--olive-dk); }
.edu-card h3 { font-size: 19px; margin: 12px 0 10px; }
.edu-card p { color: var(--text-2); font-size: 15px; }
@media (max-width: 800px){ .hero-edu { grid-template-columns: 1fr; }
  .edu-card { border-left: none; padding-left: 0; padding-top: 28px; border-top: 1px solid var(--hair); }
  .edu-card:first-child { border-top: none; } }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--f-body); font-size: 15px; font-weight: 500;
  padding: 14px 26px; border-radius: var(--r); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t), transform var(--t);
  line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { box-shadow: 0 0 0 3px rgba(123,157,111,.35); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--hair); }
.btn--ghost:hover { border-color: var(--olive); }
.btn--text { background: none; color: var(--text-2); padding-left: 8px; padding-right: 8px; }
.btn--text:hover { color: var(--olive-dk); }
.btn--ghost-light { background: transparent; color: var(--on-dark); border-color: rgba(245,242,236,.28); }
.btn--ghost-light:hover { border-color: var(--olive); }
.btn--text-light { background: none; color: var(--on-dark-2); }
.btn--text-light:hover { color: var(--olive); }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

/* ---------- wizard ---------- */
.wizard-progress { position: sticky; top: 64px; z-index: 40; background: var(--bg); border-bottom: 1px solid var(--hair); }
.progress-inner { padding: 18px 0 16px; }
.progress-meta { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.progress-label { font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
.progress-count { font-family: var(--f-mono); font-size: 12px; color: var(--text-2); }
.progress-track { height: 2px; background: var(--hair); border-radius: 2px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--olive); transition: width var(--t); }

.wizard-body { padding: 56px 0 90px; max-width: 760px; }
.step { animation: fade .35s ease both; }
.step-kicker { font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--olive-dk); margin-bottom: 14px; }
.step-q { font-size: clamp(24px, 3.4vw, 34px); line-height: 1.12; margin-bottom: 12px; }
.step-help { color: var(--text-2); margin-bottom: 34px; max-width: 560px; }

.soft-warn {
  border: 1px solid var(--hair); border-left: 3px solid var(--olive);
  background: var(--bg-soft); padding: 16px 18px; border-radius: var(--r);
  color: var(--text); font-size: 14.5px; margin: 6px 0 30px;
}

/* option grids */
.opt-grid { display: grid; gap: 12px; }
.opt-grid--2 { grid-template-columns: 1fr 1fr; }
.opt-grid--3 { grid-template-columns: repeat(3,1fr); }
@media (max-width: 680px){ .opt-grid--2,.opt-grid--3 { grid-template-columns: 1fr; } }

.opt {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 18px 18px; border: 1px solid var(--hair); border-radius: var(--r);
  background: transparent; cursor: pointer; transition: border-color var(--t), background var(--t), box-shadow var(--t);
  text-align: left; font-family: var(--f-body);
}
.opt:hover { border-color: var(--olive); }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt.is-selected { border-color: var(--olive); background: rgba(123,157,111,.08); box-shadow: inset 0 0 0 1px var(--olive); }
.opt-title { font-size: 16px; font-weight: 500; }
.opt-desc { font-size: 13.5px; color: var(--text-2); }
.opt-check { position: absolute; top: 16px; right: 16px; width: 16px; height: 16px; border: 1px solid var(--hair); border-radius: 4px; transition: all var(--t); }
.opt.is-selected .opt-check { background: var(--olive); border-color: var(--olive); }
.opt.is-selected .opt-check::after { content: "✓"; color: #fff; font-size: 11px; position: absolute; inset: 0; display: grid; place-items: center; }

/* number / text fields */
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
@media (max-width: 680px){ .field-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.field .req { color: var(--olive-dk); }
.field input, .field select, .field textarea {
  font-family: var(--f-body); font-size: 16px; color: var(--text);
  padding: 13px 14px; border: 1px solid var(--hair); border-radius: var(--r);
  background: #fff; transition: border-color var(--t), box-shadow var(--t);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--olive); box-shadow: 0 0 0 3px rgba(123,157,111,.18);
}
.field input.invalid { border-color: #b9533f; }
.field-err { color: #b9533f; font-size: 12.5px; min-height: 0; }

.toggle-row { display: flex; flex-wrap: wrap; gap: 10px; }
.toggle {
  font-family: var(--f-body); font-size: 14px; padding: 10px 16px; border-radius: 40px;
  border: 1px solid var(--hair); background: transparent; cursor: pointer; transition: all var(--t);
}
.toggle:hover { border-color: var(--olive); }
.toggle.is-on { background: var(--olive); color: #fff; border-color: var(--olive); }

.consent { display: flex; gap: 12px; align-items: flex-start; margin-top: 8px; font-size: 14px; color: var(--text-2); }
.consent input { margin-top: 3px; accent-color: var(--olive); width: 17px; height: 17px; }
.microcopy { font-size: 13.5px; color: var(--text-2); margin-top: 18px; }

.wizard-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--hair); }
.wizard-foot--end { margin-top: 30px; }

/* ---------- result (dark) ---------- */
.screen--result.is-active { display: block; }
.result-wrap { background: var(--dark); color: var(--on-dark); padding: 86px 0 70px; min-height: 70vh; }
.result-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.result-class { font-size: clamp(30px, 5vw, 50px); color: var(--on-dark); margin-bottom: 16px; }
.result-explain { color: var(--on-dark-2); max-width: 540px; font-size: 15.5px; }

.score-dial { position: relative; width: 150px; flex: none; text-align: center; }
.score-dial svg { width: 150px; height: 150px; transform: rotate(-90deg); }
.dial-bg { fill: none; stroke: rgba(245,242,236,.12); stroke-width: 6; }
.dial-fg { fill: none; stroke: var(--olive); stroke-width: 6; stroke-linecap: round;
  stroke-dasharray: 327; stroke-dashoffset: 327; transition: stroke-dashoffset 1.1s cubic-bezier(.4,0,.2,1); }
.score-num { position: absolute; top: 56px; left: 0; right: 0; font-family: var(--f-head); font-size: 38px; }
.score-num small { font-size: 15px; color: var(--on-dark-2); }
.score-cap { display: block; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .16em; color: var(--on-dark-2); margin-top: 4px; }

.result-breakdown { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(245,242,236,.1); border: 1px solid rgba(245,242,236,.1); margin: 56px 0 48px; border-radius: var(--r); overflow: hidden; }
@media (max-width: 820px){ .result-breakdown { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px){ .result-breakdown { grid-template-columns: 1fr; } }
.bd-card { background: var(--dark); padding: 22px 20px; }
.bd-card .header-label { color: var(--on-dark-2); }
.bd-bar { height: 3px; background: rgba(245,242,236,.12); border-radius: 3px; margin: 14px 0 8px; overflow: hidden; }
.bd-bar span { display: block; height: 100%; background: var(--olive); width: 0; transition: width .9s ease; }
.bd-state { font-size: 13px; color: var(--on-dark); }

.result-next { border-top: 1px solid rgba(245,242,236,.14); border-bottom: 1px solid rgba(245,242,236,.14); padding: 26px 0; margin-bottom: 38px; }
.next-label { font-family: var(--f-mono); font-size: 11px; letter-spacing: .18em; color: var(--olive); }
.result-next p { font-size: clamp(18px,2.6vw,24px); font-family: var(--f-head); margin-top: 10px; color: var(--on-dark); }

.result-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.result-cta--light { margin-top: 8px; }
.result-disclaimer { color: var(--on-dark-2); font-size: 12.5px; margin-top: 34px; max-width: 620px; }

/* ---------- professional brief ---------- */
.screen--pro.is-active, .screen--done.is-active { padding: 80px 0 90px; }
.section-title { font-size: clamp(28px, 4.4vw, 44px); margin-bottom: 16px; line-height: 1.05; }
.section-lead { color: var(--text-2); max-width: 600px; margin-bottom: 40px; }

.accordion { border-top: 1px solid var(--hair); }
.acc-item { border-bottom: 1px solid var(--hair); }
.acc-head { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: none; border: none; cursor: pointer; padding: 22px 2px; text-align: left; font-family: var(--f-head); font-size: 19px; color: var(--text); }
.acc-head .acc-num { font-family: var(--f-mono); font-size: 12px; color: var(--olive-dk); margin-right: 14px; }
.acc-toggle { font-family: var(--f-mono); font-size: 20px; color: var(--text-2); transition: transform var(--t); }
.acc-item.is-open .acc-toggle { transform: rotate(45deg); }
.acc-body { display: none; padding: 4px 2px 30px; }
.acc-item.is-open .acc-body { display: block; animation: fade .3s ease both; }

.adv-q { margin-bottom: 22px; }
.adv-q > label.q-label { display: block; font-size: 15px; font-weight: 500; margin-bottom: 10px; }

/* advanced teaser */
.advanced-teaser { margin-top: 56px; border: 1px solid var(--hair); border-radius: var(--r); padding: 26px; background: var(--bg-soft); }
.adv-head { display: flex; justify-content: space-between; align-items: center; }
.adv-note { color: var(--text-2); font-size: 14.5px; margin-top: 12px; }
.adv-body { margin-top: 24px; border-top: 1px solid var(--hair); padding-top: 24px; }
.adv-edu { margin-top: 18px; padding: 16px 18px; border-left: 3px solid var(--olive); background: #fff; border-radius: var(--r); font-size: 14px; color: var(--text-2); }

/* ---------- done ---------- */
.done-inner { max-width: 680px; }
.done-mark { width: 56px; height: 56px; border-radius: 50%; background: var(--olive); color: #fff; display: grid; place-items: center; font-size: 26px; margin-bottom: 26px; }
.lead-debug { margin-top: 46px; font-family: var(--f-mono); font-size: 12px; }
.lead-debug summary { cursor: pointer; color: var(--text-2); }
.lead-debug pre { background: var(--dark); color: var(--on-dark); padding: 20px; border-radius: var(--r); overflow: auto; margin-top: 14px; line-height: 1.5; }

/* ---------- value strip ---------- */
.value-strip { border-top: 1px solid var(--hair); background: var(--bg-soft); padding: 56px 0; }
.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 36px; }
@media (max-width: 760px){ .value-grid { grid-template-columns: 1fr; gap: 24px; } }
.value-item .header-label { color: var(--olive-dk); }
.value-item p { margin-top: 10px; font-size: 15px; color: var(--text); }

/* ---------- footer ---------- */
.site-footer { background: var(--dark); color: var(--on-dark); padding: 66px 0 54px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-tag { color: var(--on-dark); margin-top: 14px; font-size: 15px; }
.footer-claim { color: var(--olive); font-family: var(--f-mono); font-size: 13px; letter-spacing: .04em; margin-top: 6px; }
.footer-meta { text-align: right; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.footer-geo { font-family: var(--f-mono); font-size: 12px; color: var(--on-dark-2); letter-spacing: .06em; }
.footer-meta .link-quiet { color: var(--on-dark-2); }
@media (max-width: 640px){ .footer-meta { text-align: left; align-items: flex-start; } }