/* =========================================================
   Мастерская ФФ — AI-направление /ai/
   Базовая система: land.css. Здесь — только AI-блоки.
   ========================================================= */

.brand__ai {
  display: inline-flex; align-items: center; justify-content: center;
  margin-left: 4px; padding: 0 5px;
  border: 1px solid rgba(255, 255, 255, .38);
  color: #fff; font-family: "RFDewiExtended", sans-serif;
  font-size: 10px; font-style: normal; font-weight: 700;
  letter-spacing: .12em; line-height: 17px; text-transform: uppercase;
}

section[id] { scroll-margin-top: 88px; }

.hero--ai .hero__note {
  max-width: 540px; margin-top: 18px;
  color: rgba(255, 255, 255, .42); font-size: 12px; line-height: 1.5;
}
.hero--ai .hero__badge b { font-size: clamp(18px, 1.8vw, 24px); }
.hero--ai .hero__badge { min-width: 168px; }

/* ---------- insight ---------- */
.insight {
  background: #100e0e; color: #fff;
  padding: clamp(42px, 5vw, 72px) 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.insight__in {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(28px, 5vw, 76px); align-items: start;
}
.insight .tag { color: var(--accent-2); }
.insight h2 {
  max-width: 620px; margin-bottom: 16px;
  font-size: clamp(26px, 3.1vw, 44px);
}
.insight__txt p { max-width: 600px; color: var(--muted-dark); font-size: 16px; }
.insight__stats { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.insight__stats > div {
  display: grid; grid-template-columns: 120px 1fr; gap: 18px; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid var(--line-dark);
}
.insight__stats b {
  color: var(--accent-2); font-family: "RFDewiExtended", sans-serif;
  font-size: clamp(22px, 2.2vw, 30px); font-weight: 800; letter-spacing: -.03em;
  white-space: nowrap;
}
.insight__stats span { color: rgba(255, 255, 255, .62); font-size: 13px; line-height: 1.4; }

/* ---------- scenarios ---------- */
.scenarios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scenario {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); padding: clamp(22px, 2.4vw, 32px);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.scenario:hover { border-color: rgba(222, 13, 76, .5); transform: translateY(-2px); }
.scenario__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.scenario__tag {
  color: var(--accent-text); font-size: 10px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
}
.scenario__badge {
  padding: 4px 7px; border: 1px solid var(--line);
  color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase;
}
.scenario h3 { margin-bottom: 10px; font-size: clamp(19px, 1.7vw, 23px); }
.scenario__task { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.scenario__flow { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 16px; }
.scenario__flow > div { background: #fff; padding: 12px; }
.scenario__flow > div:last-child { background: var(--accent-soft); }
.scenario__flow span {
  display: block; margin-bottom: 6px; color: var(--accent-text);
  font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
}
.scenario__flow > div:last-child span { color: var(--accent-text); }
.scenario__flow p { color: var(--muted); font-size: 12px; line-height: 1.45; }
.scenario__flow > div:last-child p { color: var(--ink); }
.scenario__effect {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
  color: var(--accent-text); font-family: "RFDewiExtended", sans-serif;
  font-size: 13px; font-weight: 700; line-height: 1.3;
}
.scenarios__note { margin-top: 22px; max-width: 860px; color: var(--muted); font-size: 12px; }

/* ---------- calculator ---------- */
.calc__grid {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 18px; align-items: stretch;
}
.calc__form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px;
  padding: clamp(22px, 3vw, 36px); background: #fff; border: 1px solid var(--line);
}
.calc__field { display: flex; flex-direction: column; }
.calc__field label {
  margin-bottom: 6px; color: var(--ink);
  font-size: 12px; font-weight: 600; line-height: 1.3;
}
.calc__field input {
  width: 100%; min-height: 52px; padding: 10px 13px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  font-family: "RFDewiExtended", sans-serif; font-size: 19px; font-weight: 700;
  outline: none; transition: border-color .15s;
}
.calc__field input:focus { border-color: var(--accent); }
.calc__field span { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.3; }
.calc__field:last-child { grid-column: 1 / -1; }
.calc__form-note {
  grid-column: 1 / -1; margin: 4px 0 0; padding-top: 14px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.5;
}
.calc__out {
  display: flex; flex-direction: column;
  padding: clamp(24px, 3vw, 36px); background: var(--ink); color: #fff;
}
.calc__out-label { margin-bottom: 18px; color: var(--accent-2); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.calc__result { padding: 12px 0; border-top: 1px solid var(--line-dark); }
.calc__result b {
  display: block; font-family: "RFDewiExtended", sans-serif;
  font-size: clamp(26px, 2.6vw, 38px); font-weight: 800; line-height: 1;
  letter-spacing: -.035em; font-variant-numeric: tabular-nums;
}
.calc__result span { display: block; margin-top: 5px; color: var(--muted-dark); font-size: 11px; }
.calc__payback {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 6px 0 20px; padding-top: 16px; border-top: 1px solid var(--line-dark);
}
.calc__payback span { color: var(--muted-dark); font-size: 12px; }
.calc__payback b { color: var(--accent-2); font-family: "RFDewiExtended", sans-serif; font-size: 24px; font-weight: 800; }
.calc__out .btn { width: 100%; margin-top: auto; }
.calc__note { margin-top: 12px; color: rgba(255, 255, 255, .4); font-size: 10px; line-height: 1.45; }

/* ---------- deliverables ---------- */
.delivs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.deliv { background: #fff; padding: clamp(22px, 2.4vw, 32px); }
.deliv h3 { margin-bottom: 8px; font-size: 19px; }
.deliv p { color: var(--muted); font-size: 14px; }

/* ---------- stack ---------- */
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stack__item { background: #fff; padding: clamp(22px, 2.4vw, 32px); }
.stack__item > span {
  display: block; margin-bottom: 22px; color: var(--accent);
  font-family: "RFDewiExtended", sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .1em;
}
.stack__item h3 { margin-bottom: 10px; font-size: 19px; }
.stack__item p { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* ---------- demand cards ---------- */
.demand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.demand-card {
  display: flex; flex-direction: column; padding: clamp(22px, 2.4vw, 30px);
  background: #fff; border: 1px solid var(--line);
  transition: border-color .2s, transform .2s var(--ease);
}
.demand-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.demand-card b {
  color: var(--accent); font-family: "RFDewiExtended", sans-serif;
  font-size: clamp(28px, 2.8vw, 38px); font-weight: 800; line-height: 1; letter-spacing: -.035em;
}
.demand-card > span { margin: 6px 0 16px; color: var(--muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.demand-card h3 { margin-bottom: 8px; font-size: 20px; }
.demand-card p { color: var(--muted); font-size: 13px; }
.demand-card i { margin-top: auto; padding-top: 16px; color: var(--accent-text); font-size: 12px; font-style: normal; font-weight: 600; }

/* ---------- honesty ---------- */
.honesty { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: clamp(30px, 5vw, 72px); align-items: start; }
.honesty h2 { margin-bottom: 18px; }
.honesty__txt p { max-width: 620px; color: var(--muted); font-size: 16px; }
.honesty__txt .btn { margin-top: 12px; }
.honesty__points { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.honesty__points > div { background: #fff; padding: 20px 22px; }
.honesty__points b { display: block; margin-bottom: 8px; color: var(--accent); font-size: 11px; letter-spacing: .12em; }
.honesty__points span { display: block; margin-bottom: 5px; font-family: "RFDewiExtended", sans-serif; font-size: 18px; font-weight: 600; }
.honesty__points p { color: var(--muted); font-size: 13px; }

/* ---------- dark steps fix ---------- */
.sec--dark .steps { border-color: var(--line-dark); }
.sec--dark .step p { color: var(--muted-dark); }
.sec--dark .step__time { color: rgba(255, 255, 255, .8); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .insight__in { grid-template-columns: 1fr; }
  .insight__stats { max-width: 620px; }
  .scenarios { grid-template-columns: 1fr; max-width: 720px; }
  .calc__grid { grid-template-columns: 1fr; }
  .stack { grid-template-columns: repeat(2, 1fr); }
  .demand-grid { grid-template-columns: repeat(2, 1fr); }
  .honesty { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .insight__stats > div { grid-template-columns: 96px 1fr; gap: 12px; }
  .delivs { grid-template-columns: 1fr; }
  .stack { grid-template-columns: 1fr; }
  .demand-grid { grid-template-columns: 1fr; }
  .calc__form { grid-template-columns: 1fr; }
  .scenario__flow { grid-template-columns: 1fr; }
  .hero--ai .hero__badge { min-width: 148px; }
}

@media (max-width: 480px) {
  .insight__stats > div { grid-template-columns: 1fr; gap: 2px; }
  .calc__out .btn { width: 100%; }
}