/* ─────────────────────────────────────────
   uluchshito.ru — основные стили
   ───────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── ПЕРЕМЕННЫЕ ── */
:root {
  --acc:       #0969da;
  --acc-light: #dff0ff;
  --acc-dark:  #0550ae;
  --txt:       #0d1117;
  --txt2:      #57606a;
  --txt3:      #8c959f;
  --border:    #d0d7de;
  --bg:        #ffffff;
  --bg2:       #f6f8fa;
  --r:         10px;
  --r-lg:      14px;
}

/* ── ТЁМНАЯ ТЕМА ── */
body.dark {
  --txt:       #e6edf3;
  --txt2:      #8b949e;
  --txt3:      #6e7681;
  --border:    #30363d;
  --bg:        #0d1117;
  --bg2:       #161b22;
  --acc-light: #1c2d3f;
  --acc-dark:  #79c0ff;
}
body.dark nav { background: rgba(13,17,23,0.95); }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}

/* ─────────────────────────────────────────
   НАВИГАЦИЯ
   ───────────────────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 0.5px solid var(--border);
  border-top: 3px solid var(--acc);
  background: var(--bg);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-family: 'Unbounded', sans-serif;
  font-size: 20px;
  font-weight: 900;
  color: var(--txt);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--acc); }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 15px;
  color: var(--txt2);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--acc); }

.nav-counter {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: #0550ae;
  background: #dff0ff;
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
}
.nav-counter-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1a7f37;
  flex-shrink: 0;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0.5px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--txt2);
  font-size: 18px;
  transition: all .2s;
  flex-shrink: 0;
}
.theme-btn:hover { border-color: var(--acc); color: var(--acc); }

/* ─────────────────────────────────────────
   HERO
   ───────────────────────────────────────── */
.hero {
  padding: 80px 48px 56px;
  text-align: center;
  overflow: hidden;
  transition:
    max-height .6s cubic-bezier(.4,0,.2,1),
    opacity    .5s cubic-bezier(.4,0,.2,1),
    padding    .5s cubic-bezier(.4,0,.2,1);
  max-height: 420px;
  opacity: 1;
}
.hero.hidden {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  background: var(--acc-light);
  color: var(--acc-dark);
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: .1em;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 900;
  color: var(--txt);
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--acc); }

.hero p {
  font-size: 17px;
  color: var(--txt2);
  line-height: 1.75;
  max-width: 520px;
  margin: 0 auto;
}

/* ─────────────────────────────────────────
   РЕДАКТОР
   ───────────────────────────────────────── */
.editor-wrap {
  max-width: 1200px;
  margin: 0 auto 72px;
  padding: 0 48px;
  transition: padding .5s cubic-bezier(.4,0,.2,1);
}
.editor-wrap.expanded { padding: 28px 48px 0; }

.editor {
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: visible;
  background: var(--bg);
  box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
  transition: box-shadow .3s;
}
.editor:focus-within {
  box-shadow: 0 0 0 3px rgba(9,105,218,.12), 0 4px 20px rgba(0,0,0,.06);
}

.editor-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg2);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: visible;
}

.editor-label {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  letter-spacing: .15em;
  color: var(--txt3);
}

.mode-pills { display: flex; gap: 6px; flex-wrap: wrap; }

.mpill {
  position: relative;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  padding: 6px 13px;
  border-radius: 6px;
  cursor: pointer;
  background: var(--bg2);
  color: var(--txt3);
  border: 0.5px solid var(--border);
  transition: all .15s;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 5px;
}
.mpill i { font-size: 14px; }
.mpill:hover { border-color: var(--acc); color: var(--acc); }
.mpill.on { background: var(--acc); color: #fff; border-color: var(--acc); }

.mpill .tip {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--txt);
  color: var(--bg);
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  white-space: nowrap;
  padding: 5px 12px;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 200;
  letter-spacing: 0;
}
.mpill .tip::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--txt);
}
.mpill:hover .tip { opacity: 1; }

.editor-cols {
  display: grid;
  grid-template-columns: 1fr 0.5px 1fr;
  overflow: hidden;
}

.ecol {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ecol-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--txt3);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ecol textarea {
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  color: var(--txt);
  line-height: 1.8;
  min-height: 220px;
  transition: min-height .5s cubic-bezier(.4,0,.2,1);
  width: 100%;
}
.ecol textarea::placeholder { color: #c8d1db; }
.ecol textarea.tall { min-height: 340px; }

.ecol-sep { background: var(--border); }

.eresult {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  color: var(--txt3);
  line-height: 1.8;
  min-height: 220px;
  font-style: italic;
  overflow-y: auto;
  white-space: pre-wrap;
  transition: min-height .5s cubic-bezier(.4,0,.2,1);
}
.eresult.tall { min-height: 340px; }
.eresult.has-text { color: var(--txt); font-style: normal; }

.editor-foot {
  border-top: 0.5px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg2);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  gap: 16px;
}

.efoot-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.efoot-chars {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--txt3);
}

.focus-hint {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: #c8d1db;
  transition: opacity .4s;
}

.exit-btn {
  display: none;
  align-items: center;
  gap: 5px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--txt3);
  cursor: pointer;
  background: none;
  border: 0.5px solid var(--border);
  border-radius: 5px;
  padding: 5px 12px;
  transition: all .2s;
}
.exit-btn:hover { color: var(--txt); border-color: var(--txt3); }
.exit-btn.visible { display: flex; }

.copy-btn {
  cursor: pointer;
  display: none;
  color: var(--txt3);
  transition: color .2s;
  background: none;
  border: none;
  padding: 0;
  line-height: 1;
}
.copy-btn:hover { color: var(--txt); }
.copy-btn.visible { display: block; }

.fix-errors-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.fix-errors-wrap input[type=checkbox] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--acc);
  flex-shrink: 0;
}
.fix-errors-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--txt3);
  user-select: none;
  cursor: pointer;
}

.improve-btn {
  background: var(--acc);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--r);
  font-family: 'Unbounded', sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .03em;
  transition: background .2s, transform .15s, opacity .2s;
  white-space: nowrap;
}
.improve-btn:hover { background: var(--acc-dark); transform: translateY(-1px); }
.improve-btn:active { transform: scale(.98); }
.improve-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ─────────────────────────────────────────
   ОБЩИЕ СЕКЦИИ
   ───────────────────────────────────────── */
.section-wrap { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--txt3);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 36px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

/* ─────────────────────────────────────────
   КАК РАБОТАЕТ
   ───────────────────────────────────────── */
.how {
  padding: 80px 0;
  background: var(--bg2);
  border-top: 0.5px solid var(--border);
}

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.step {
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.step:hover { border-color: var(--acc); transform: translateY(-2px); }

.step-num {
  font-family: 'Unbounded', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: var(--acc-light);
  margin-bottom: 14px;
  line-height: 1;
}
.step-title { font-size: 16px; font-weight: 500; color: var(--txt); margin-bottom: 8px; }
.step-desc  { font-size: 14px; color: var(--txt2); line-height: 1.65; }

/* ─────────────────────────────────────────
   КАЛЬКУЛЯТОР
   ───────────────────────────────────────── */
.calc-section {
  padding: 80px 0;
  background: var(--bg);
  border-top: 0.5px solid var(--border);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}

.calc-desc { font-size: 16px; color: var(--txt2); line-height: 1.75; margin-top: 14px; }
.calc-left-waves { margin-top: 32px; }

.calc-box { border: 0.5px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }

.calc-inputs {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg2);
}

.calc-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--txt3);
  margin-bottom: 12px;
}

.type-pills { display: flex; gap: 6px; flex-wrap: wrap; }

.tpill {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 7px;
  cursor: pointer;
  border: 0.5px solid var(--border);
  color: var(--txt2);
  background: var(--bg);
  transition: all .15s;
}
.tpill:hover { border-color: var(--acc); color: var(--acc); }
.tpill.on { background: var(--acc); color: #fff; border-color: var(--acc); }

.calc-slider-head { display: flex; justify-content: space-between; align-items: baseline; }

.calc-val {
  font-family: 'Unbounded', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--txt);
}

.calc-range-labels { display: flex; justify-content: space-between; margin-top: 5px; }
.calc-range-labels span { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--txt3); }

.calc-hint {
  font-size: 13px;
  color: var(--txt3);
  line-height: 1.6;
  padding-top: 5px;
  border-top: 0.5px solid var(--border);
}

.calc-results { padding: 24px; display: flex; flex-direction: column; gap: 16px; background: var(--bg); }

.calc-result-row { display: flex; flex-direction: column; gap: 6px; }

.calc-result-label { font-family: 'Space Mono', monospace; font-size: 10px; letter-spacing: .12em; color: var(--txt3); }
.calc-result-label.acc { color: var(--acc-dark); }

.calc-result-time { font-family: 'Unbounded', sans-serif; font-size: 24px; font-weight: 900; color: var(--txt2); line-height: 1; }
.calc-result-time.acc { color: var(--acc); }

.calc-bar-wrap { height: 6px; background: var(--bg2); border-radius: 3px; overflow: hidden; margin-top: 5px; }
.calc-bar { height: 100%; border-radius: 3px; transition: width .5s cubic-bezier(.4,0,.2,1); }
.calc-bar.manual { width: 100%; background: var(--border); }
.calc-bar.acc    { background: var(--acc); }

.calc-saved { background: var(--acc); border-radius: var(--r); padding: 20px; margin-top: 4px; }
.calc-saved-label { font-family: 'Space Mono', monospace; font-size: 10px; letter-spacing: .12em; color: rgba(255,255,255,.6); margin-bottom: 8px; }
.calc-saved-time { font-family: 'Unbounded', sans-serif; font-size: 32px; font-weight: 900; color: #fff; line-height: 1; }
.calc-saved-sub { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 6px; }

/* ─────────────────────────────────────────
   ТАРИФЫ
   ───────────────────────────────────────── */
.pricing {
  padding: 80px 0;
  background: var(--bg2);
  border-top: 0.5px solid var(--border);
}

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }

.plan {
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .2s, transform .2s;
  background: var(--bg);
}
.plan:hover { transform: translateY(-2px); }
.plan.featured { border: 2px solid var(--acc); box-shadow: 0 4px 20px rgba(9,105,218,.1); }

.plan-badge { font-family: 'Space Mono', monospace; font-size: 10px; background: var(--acc-light); color: var(--acc-dark); padding: 4px 12px; border-radius: 20px; width: fit-content; display: none; letter-spacing: .08em; }
.plan.featured .plan-badge { display: block; }

.plan-name { font-family: 'Unbounded', sans-serif; font-size: 14px; font-weight: 700; color: var(--txt); letter-spacing: -0.01em; }

.plan-price { font-family: 'Unbounded', sans-serif; font-size: 32px; font-weight: 900; color: var(--txt); line-height: 1; letter-spacing: -0.02em; }
.plan-price span { font-size: 14px; font-weight: 400; color: var(--txt2); font-family: 'DM Sans', sans-serif; letter-spacing: 0; }

.plan-desc { font-size: 14px; color: var(--txt2); line-height: 1.5; }
.plan-divider { height: 0.5px; background: var(--border); margin: 4px 0; }

.plan-features { list-style: none; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.plan-features li { font-size: 14px; color: var(--txt2); display: flex; gap: 8px; align-items: flex-start; }
.plan-features li i { color: var(--acc); font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.plan-btn { margin-top: 8px; border: 0.5px solid var(--border); background: transparent; color: var(--txt); padding: 12px; border-radius: var(--r); font-size: 14px; cursor: pointer; font-family: 'DM Sans', sans-serif; font-weight: 500; text-align: center; transition: all .2s; }
.plan-btn:hover { border-color: var(--txt); }
.plan.featured .plan-btn { background: var(--acc); color: #fff; border-color: var(--acc); }
.plan.featured .plan-btn:hover { background: var(--acc-dark); }

/* ─────────────────────────────────────────
   FAQ
   ───────────────────────────────────────── */
.faq { padding: 80px 0; background: var(--bg); border-top: 0.5px solid var(--border); }

.faq-list { display: flex; flex-direction: column; margin-top: 36px; border: 0.5px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--bg); }

.faq-item { border-bottom: 0.5px solid var(--border); }
.faq-item:last-child { border-bottom: none; }

.faq-q { padding: 22px 24px; font-size: 16px; font-weight: 500; color: var(--txt); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: background .15s; user-select: none; }
.faq-q:hover { background: var(--bg2); }
.faq-q i { color: var(--txt3); font-size: 20px; flex-shrink: 0; transition: transform .25s cubic-bezier(.4,0,.2,1); }

.faq-a { display: none; padding: 0 24px 22px; font-size: 15px; color: var(--txt2); line-height: 1.75; }

.faq-item.open .faq-a { display: block; }
.faq-item.open .faq-q i { transform: rotate(180deg); }

/* ─────────────────────────────────────────
   SEO БЛОК
   ───────────────────────────────────────── */
.seo { padding: 80px 0; background: var(--bg2); border-top: 0.5px solid var(--border); }

.seo-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; }

.seo-waves { display: flex; align-items: center; justify-content: center; height: 100%; min-height: 240px; }

.seo-text { font-size: 15px; color: var(--txt2); line-height: 1.9; margin-top: 24px; }
.seo-text p { margin-bottom: 16px; }
.seo-text p:last-child { margin-bottom: 0; }
.seo-text strong { color: var(--txt); font-weight: 500; }

/* ─────────────────────────────────────────
   ФУТЕР
   ───────────────────────────────────────── */
footer { background: var(--bg2); border-top: 0.5px solid var(--border); padding: 48px 0 32px; }

.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

.footer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }

.footer-logo { font-family: 'Unbounded', sans-serif; font-size: 16px; font-weight: 900; color: var(--txt); letter-spacing: -0.02em; text-decoration: none; display: block; }
.footer-logo span { color: var(--acc); }

.footer-tagline { font-size: 14px; color: var(--txt3); margin-top: 6px; }

.footer-links-row { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.footer-links-row a { font-size: 14px; color: var(--txt2); text-decoration: none; transition: color .2s; }
.footer-links-row a:hover { color: var(--acc); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 0.5px solid var(--border); }

.footer-copy { font-family: 'Space Mono', monospace; font-size: 12px; color: var(--txt3); }

/* ─────────────────────────────────────────
   АДАПТИВ
   ───────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 16px 20px; }
  .nav-links a { display: none; }
  .nav-counter { font-size: 10px; }

  .hero { padding: 52px 20px 36px; }
  .hero p { font-size: 15px; }

  .editor-wrap { padding: 0 16px; margin-bottom: 52px; }
  .editor-wrap.expanded { padding: 20px 16px 0; }
  .editor-cols { grid-template-columns: 1fr; }
  .ecol-sep { height: 0.5px; width: 100%; }
  .ecol textarea { min-height: 160px; }
  .eresult { min-height: 160px; }

  .section-wrap { padding: 0 20px; }
  .how, .pricing, .faq, .seo, .calc-section { padding: 56px 0; }

  .steps, .plans { grid-template-columns: 1fr; }

  .calc-grid { grid-template-columns: 1fr; gap: 28px; }
  .calc-left-waves { display: none; }

  .seo-grid { grid-template-columns: 1fr; }
  .seo-waves { display: none; }

  .footer-inner { padding: 0 20px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}