:root {
  --bg: #eef1f4;
  --surface: #f7f8fa;
  --surface-elevated: #ffffff;
  --night: #12151c;
  --night-2: #1c212c;
  --text: #141820;
  --text-secondary: #5c6472;
  --border: #d5dbe3;
  --primary: #1a7a72;
  --primary-hover: #14645e;
  --secondary: #2c3545;
  --accent: #1a7a72;
  --success: #1f6b45;
  --error: #9a3412;
  --warning: #8a6518;
  --radius: 2px;
  --shadow: 0 8px 24px rgba(18, 21, 28, 0.06);
  --space: 1.25rem;
  --max: 1120px;
  --narrow: 700px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --serif: "IBM Plex Serif", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 0.85rem;
}

h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }

p { margin: 0 0 1rem; }

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(var(--narrow), calc(100% - 2rem));
  margin-inline: auto;
}

.bar {
  background: var(--night);
  color: #e8edf2;
}

.bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
}

.brand b { font-weight: 600; }
.brand i {
  font-style: normal;
  color: #7dcec6;
}

.menu summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.menu summary::-webkit-details-marker { display: none; }
.menu nav { display: none; }

.menu[open] nav {
  display: grid;
  position: absolute;
  right: 1rem;
  margin-top: 0.45rem;
  min-width: 200px;
  padding: 0.65rem;
  background: var(--night-2);
  z-index: 30;
}

.menu nav a {
  text-decoration: none;
  padding: 0.4rem 0.25rem;
  color: #9aa3b2;
}

.menu nav a:hover,
.menu nav a.is-on { color: #fff; }

@media (min-width: 900px) {
  .menu summary { display: none; }
  .menu nav,
  .menu[open] nav {
    display: flex;
    position: static;
    min-width: 0;
    padding: 0;
    background: none;
    gap: 1.3rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.55rem 1.15rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--primary);
  color: #f4fffd;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: background 220ms var(--ease), transform 220ms var(--ease);
}

.btn:hover { background: var(--primary-hover); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
}

.btn-ghost:hover {
  background: #fff;
  color: var(--night);
}

.hero {
  background:
    linear-gradient(180deg, var(--night) 0%, var(--night) 72%, var(--bg) 72%);
  color: #e8edf2;
  padding: 3.6rem 0 0;
}

.hero-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 940px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.85fr;
    align-items: stretch;
  }
}

.kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7dcec6;
}

.lede {
  max-width: 38rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.hero .lede { color: #9aa3b2; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.system {
  background: var(--surface-elevated);
  color: var(--text);
  padding: 1.35rem 1.3rem;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--primary);
}

.system dl {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
}

.system dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.system dd { margin: 0.15rem 0 0; }

.strip {
  display: grid;
  margin-top: 2.2rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
}

@media (min-width: 760px) {
  .strip { grid-template-columns: repeat(3, 1fr); }
}

.strip div {
  padding: 1.15rem 1.2rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 760px) {
  .strip div {
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
  .strip div:last-child { border-right: 0; }
}

.strip strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.band { padding: 3rem 0; }

.grid-3 {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

@media (min-width: 800px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  padding: 1.25rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card span {
  display: block;
  font-family: var(--mono);
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.card p { color: var(--text-secondary); margin: 0; }

.page { padding: 3rem 0 4rem; }
.prose { max-width: 40rem; }
.prose h2 { margin-top: 1.7rem; }

.list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.list a {
  display: block;
  padding: 1.1rem 1.15rem;
  background: var(--surface-elevated);
  text-decoration: none;
  border-left: 3px solid var(--primary);
  transition: background 220ms var(--ease);
}

.list a:hover { background: #fff; }
.list p { color: var(--text-secondary); margin: 0; }

.form { display: grid; gap: 0.95rem; margin-top: 1.15rem; }

label {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="tel"] {
  width: 100%;
  height: 3rem;
  padding: 0 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
}

input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.offer {
  min-height: 100vh;
  display: grid;
}

@media (min-width: 960px) {
  .offer { grid-template-columns: 1.05fr 0.95fr; }
}

.offer-copy {
  background: var(--night);
  color: #e8edf2;
  padding: clamp(1.6rem, 5vw, 3.5rem);
}

.offer-form {
  padding: clamp(1.6rem, 5vw, 3.5rem);
  background: var(--surface-elevated);
}

.offer-copy .lede { color: #9aa3b2; }

.status.is-error { color: var(--error); }
.status.is-success { color: var(--success); }
.fine { color: var(--text-secondary); font-size: 0.82rem; }
.fine a { color: var(--text); }

.foot {
  background: var(--night);
  color: #9aa3b2;
  padding: 2.3rem 0 1.4rem;
  font-size: 0.9rem;
}

.foot-grid {
  display: grid;
  gap: 1.2rem;
  margin-bottom: 1.3rem;
}

@media (min-width: 840px) {
  .foot-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.foot h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e8edf2;
}

.foot ul { margin: 0; padding: 0; list-style: none; }
.foot li + li { margin-top: 0.28rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: #fff; }

.legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid #2a3140;
}

.float {
  position: fixed;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.8rem;
  text-align: center;
  z-index: 10;
}

@media (min-width: 860px) { .float { display: none; } }