/* ============ OSM CALCULATOR — page styles ============ */

.calc-hero {
  padding: 140px var(--pad-x) 56px;
  max-width: var(--maxw); margin: 0 auto;
}
.calc-hero .eyebrow { color: var(--blue-hot); letter-spacing: .14em; font-size: 12px; margin-bottom: 18px; }
.calc-hero h1 {
  font-size: clamp(34px, 5.4vw, 62px); line-height: 1.05; margin: 0 0 18px;
  letter-spacing: -0.02em; font-weight: 600;
}
.calc-hero h1 em { font-style: normal; color: var(--blue-hot); }
.hero-sub { max-width: 640px; color: var(--text-dim); font-size: 17px; line-height: 1.6; margin: 0 0 30px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; gap: 4px; }
.hero-stats b { font-size: 26px; color: var(--text); }
.hero-stats span { font-size: 11.5px; color: var(--text-mute); letter-spacing: .06em; text-transform: uppercase; }

.calc-main { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x) 90px; }

.calc-step {
  border: 1px solid var(--line); background: var(--bg-elev);
  border-radius: 14px; padding: clamp(22px, 3vw, 38px); margin-bottom: 26px;
}
.step-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; }
.step-head .step-no { color: var(--blue-hot); font-size: 13px; }
.step-head h3 { margin: 0; font-size: clamp(19px, 2.4vw, 25px); font-weight: 600; letter-spacing: -0.01em; }

/* -- cameras -- */
.cam-controls { display: grid; grid-template-columns: 1.4fr 1fr; gap: 34px; }
.cam-count label, .res-pick label, .conn-pick label, .conn-speed label {
  display: block; color: var(--text-mute); margin-bottom: 10px; font-size: 11px; letter-spacing: .1em;
}
.cam-input-row { display: flex; align-items: center; gap: 18px; }
.cam-input-row input[type="range"] { flex: 1; accent-color: var(--blue); }
.cam-num {
  width: 86px; background: var(--bg-card); border: 1px solid var(--line-2); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 18px; font-family: var(--font-mono); text-align: center;
}
.cam-num.wide { width: 140px; text-align: left; }
.res-btns { display: flex; gap: 10px; }
.res-btns.wrap { flex-wrap: wrap; }
.res-btn {
  background: var(--bg-card); border: 1px solid var(--line-2); color: var(--text-dim);
  border-radius: 8px; padding: 10px 16px; font-size: 14px; cursor: pointer; font-family: var(--font-display);
  transition: border-color .15s, color .15s, background .15s;
}
.res-btn:hover { border-color: var(--blue); color: var(--text); }
.res-btn.active { border-color: var(--blue); color: var(--text); background: rgba(30,123,255,.12); }

/* -- plan cards -- */
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.plan-card {
  text-align: left; background: var(--bg-card); border: 1px solid var(--line-2); border-radius: 14px;
  padding: 26px; cursor: pointer; color: var(--text); font-family: var(--font-display);
  display: flex; flex-direction: column; gap: 12px; transition: border-color .15s, transform .15s;
}
.plan-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.plan-card.active { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue), 0 12px 34px rgba(30,123,255,.12); }
.plan-tag { font-size: 10.5px; letter-spacing: .16em; color: var(--blue-hot); }
.plan-card h4 { margin: 0; font-size: 21px; font-weight: 600; }
.plan-headline { margin: 0; color: var(--text-dim); font-size: 14px; }
.plan-price { display: flex; align-items: baseline; gap: 10px; margin: 6px 0; }
.plan-price .big { font-size: 34px; font-weight: 600; letter-spacing: -0.02em; }
.plan-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.plan-card li { display: flex; gap: 9px; align-items: flex-start; color: var(--text-dim); font-size: 13.5px; line-height: 1.45; }
.plan-card li svg { color: var(--ok); flex: none; margin-top: 2px; }
.plan-totals {
  display: flex; gap: 26px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: auto;
}
.plan-totals div { display: flex; flex-direction: column; gap: 3px; font-size: 12px; }
.plan-totals b { font-size: 17px; color: var(--text); }
.plan-select {
  text-align: center; border: 1px solid var(--line-2); border-radius: 8px; padding: 10px;
  font-size: 13.5px; color: var(--text-dim);
}
.plan-select.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.bw-note { margin: 18px 4px 0; line-height: 1.55; }
.dim { color: var(--text-mute); }

/* -- connectivity -- */
.conn-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; margin-bottom: 24px; }
.conn-speed p { margin-top: 10px; line-height: 1.5; }

.verdict {
  display: flex; gap: 18px; align-items: flex-start; border-radius: 12px; padding: 22px 24px;
  border: 1px solid var(--line-2); background: var(--bg-card);
}
.verdict h4 { margin: 0 0 8px; font-size: 17px; }
.verdict p { margin: 0; color: var(--text-dim); font-size: 14.5px; line-height: 1.6; }
.verdict-icon {
  flex: none; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; border: 1px solid var(--line-2); color: var(--text-dim);
}
.verdict-ok { border-color: rgba(39,210,149,.4); background: rgba(39,210,149,.06); }
.verdict-ok .verdict-icon { border-color: var(--ok); color: var(--ok); }
.verdict-upgrade { border-color: rgba(255,71,87,.35); background: rgba(255,71,87,.05); }
.verdict-upgrade .verdict-icon { border-color: var(--danger); color: var(--danger); }

/* -- quote / form -- */
.quote-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 30px; }
.quote-summary {
  background: var(--bg-card); border: 1px solid var(--line-2); border-radius: 12px; padding: 24px;
  align-self: start; position: sticky; top: 90px;
}
.qs-row {
  display: flex; justify-content: space-between; gap: 14px; padding: 10px 0;
  border-bottom: 1px solid var(--line); font-size: 14px; color: var(--text-dim);
}
.qs-row b { color: var(--text); text-align: right; }
.qs-row.total { font-size: 16px; }
.qs-row.total b { font-size: 24px; color: var(--blue-hot); }
.c-ok { color: var(--ok) !important; }
.c-warn { color: var(--danger) !important; }
.c-dim { color: var(--text-mute) !important; }
.quote-summary .small { margin-top: 14px; line-height: 1.5; }

.calc-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-form .field { margin-bottom: 16px; }
.calc-form label { display: block; font-size: 12.5px; color: var(--text-mute); margin-bottom: 7px; letter-spacing: .04em; }
.calc-form input {
  width: 100%; background: var(--bg-card); border: 1px solid var(--line-2); color: var(--text);
  border-radius: 8px; padding: 12px 14px; font-size: 15px; font-family: var(--font-display);
}
.calc-form input:focus { outline: none; border-color: var(--blue); }
.calc-form .field.error input { border-color: var(--danger); }
.err-tag { color: var(--danger); font-size: 11px; }
.kc-consent {
  display: flex; gap: 12px; align-items: flex-start; background: rgba(30,123,255,.07);
  border: 1px solid rgba(30,123,255,.3); border-radius: 10px; padding: 14px 16px; margin: 4px 0 18px;
  font-size: 13.5px; color: var(--text-dim); line-height: 1.5; cursor: pointer;
}
.kc-consent input { width: auto; margin-top: 3px; accent-color: var(--blue); }
.form-submit-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-success { text-align: center; padding: 30px; }
.form-success .check {
  width: 54px; height: 54px; border-radius: 50%; border: 1px solid var(--ok); color: var(--ok);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.form-success h3 { margin: 0 0 10px; }
.form-success p { color: var(--text-dim); line-height: 1.6; max-width: 460px; margin: 0 auto 20px; }

/* -- sticky mobile bar -- */
.sticky-quote {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  display: none; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 18px; background: rgba(20,22,26,.96); border-top: 1px solid var(--line-2);
  backdrop-filter: blur(10px);
}
.sticky-quote > div { display: flex; flex-direction: column; }
.sticky-quote b { font-size: 19px; }

/* -- footer -- */
.calc-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 40px var(--pad-x) 60px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
  border-top: 1px solid var(--line);
}
.calc-footer img { height: 30px; }
.calc-footer p { color: var(--text-mute); font-size: 13px; max-width: 380px; margin: 10px 0 0; }
.calc-footer a { color: var(--text-dim); text-decoration: none; }
.calc-footer a:hover { color: var(--blue-hot); }

/* -- responsive -- */
@media (max-width: 960px) {
  .cam-controls, .plan-grid, .conn-grid, .quote-grid { grid-template-columns: 1fr; }
  .quote-summary { position: static; }
  .sticky-quote { display: flex; }
  .calc-main { padding-bottom: 140px; }
}
@media (prefers-reduced-motion: reduce) {
  .plan-card, .res-btn { transition: none; }
  .plan-card:hover { transform: none; }
}

/* ---- referral steps ---- */
.ref-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ref-step { background: var(--bg-card); border: 1px solid var(--line-2); border-radius: 12px; padding: 20px; }
.ref-step span { display: inline-flex; width: 28px; height: 28px; border-radius: 50%; background: rgba(30,123,255,.12); border: 1px solid var(--blue); color: var(--blue-hot); align-items: center; justify-content: center; font-size: 13px; margin-bottom: 10px; }
.ref-step b { display: block; margin-bottom: 6px; font-size: 15px; }
.ref-step p { margin: 0; color: var(--text-dim); font-size: 13px; line-height: 1.5; }
@media (max-width: 900px) { .ref-steps { grid-template-columns: 1fr 1fr; } }