:root {
  --bg: #f1f1f1;
  --ink: #1f2228;
  --muted: #8f9198;
  --card: #ffffff;
  --line: #dfe1e5;
  --accent: #00b0f0;
  --accent-deep: #0798cf;
  --shadow: 0 10px 30px rgba(31, 34, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 34px 20px 64px;
  display: grid;
  gap: 16px;
}

.hero {
  margin-bottom: 4px;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink);
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 12px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid #ccd0d6;
  border-radius: 999px;
  padding: 2px;
  background: #ffffff;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
}

.lang-btn:focus-visible {
  outline: 2px solid rgba(0, 176, 240, 0.22);
}

.hero h1 {
  margin: 8px 0 4px;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  line-height: 1.03;
  font-weight: 800;
  text-transform: uppercase;
}

.accent-word {
  color: var(--accent);
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 16px;
}

h2 {
  margin: 0 0 12px;
  font-family: "Montserrat", sans-serif;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
}

label span {
  font-size: 0.88rem;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid #ccd0d6;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
  font-family: "Source Sans 3", sans-serif;
  background: #ffffff;
  color: var(--ink);
}

input:focus {
  outline: 2px solid rgba(0, 176, 240, 0.22);
  border-color: var(--accent);
}

.totals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 10px;
}

.metric p {
  margin: 0;
  color: var(--muted);
}

.metric h3 {
  margin: 8px 0 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  line-height: 1.1;
}

.metric.accent {
  border-color: #bfe9fa;
  background: linear-gradient(135deg, #f7fdff, #eef8fc);
}

.channels h2 {
  margin-bottom: 10px;
}

.channel-section {
  margin-top: 12px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.section-head h3 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.channel-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 10px;
}

.cleep-inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.channel {
  border: 1px solid #d8dce2;
  border-radius: 12px;
  padding: 12px;
  background: #fbfbfc;
}

.channel h4 {
  margin: 0;
  font-size: 0.95rem;
  font-family: "Montserrat", sans-serif;
}

.channel .money {
  margin: 10px 0 4px;
  font-weight: 700;
  font-size: 1.15rem;
}

.channel .meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.89rem;
}

.bar {
  width: 100%;
  height: 8px;
  background: #ebedf0;
  border-radius: 999px;
  margin-top: 10px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: 999px;
}

.formula-note p {
  margin: 8px 0;
  color: var(--muted);
}

.formula-note strong {
  color: var(--ink);
}

@media (max-width: 720px) {
  .layout {
    padding: 20px 12px 40px;
  }

  .card {
    padding: 13px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .cleep-inputs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) and (min-width: 721px) {
  .control-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}