:root {
  --bg: #061018;
  --bg-soft: #0d1b27;
  --text: #ecf3f7;
  --text-soft: #b7c6d3;
  --line: #25435b;
  --accent: #18d1a8;
  --accent-deep: #0f8a71;
  --warn: #f28e52;
  --card: rgba(12, 27, 39, 0.75);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(circle at 15% 5%, #173246 0%, var(--bg) 45%, #050b10 100%);
  color: var(--text);
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  position: relative;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

.topbar {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 1.1rem auto 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(6, 16, 24, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

main {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto 4rem;
}

.hero {
  margin-top: 2rem;
  padding: 2.3rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(9, 26, 38, 0.95), rgba(20, 52, 72, 0.35));
  box-shadow: var(--shadow);
  animation: rise 0.65s ease-out;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.77rem;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  margin: 0;
}

h1 {
  margin-top: 0.65rem;
  max-width: 18ch;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.06;
}

.lead {
  margin: 1rem 0 0;
  max-width: 58ch;
  color: var(--text-soft);
  font-size: 1.05rem;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  color: #032218;
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  transition: transform 0.15s ease, background 0.2s ease;
}

.cta:hover {
  transform: translateY(-1px);
  background: #23e1b7;
}

.cta.ghost {
  color: var(--text);
  background: transparent;
  border-color: var(--line);
}

.hero-metrics {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.hero-metrics article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  background: rgba(5, 13, 20, 0.45);
}

.hero-metrics strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
}

.hero-metrics span {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.section {
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  padding: 1.55rem;
}

.lead-form p {
  margin: 0.6rem 0 0;
  color: var(--text-soft);
}

.fields {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.fields label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.fields input,
.fields textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(4, 12, 19, 0.7);
  color: var(--text);
  font: inherit;
  padding: 0.7rem 0.75rem;
}

.fields textarea {
  min-height: 120px;
  grid-column: 1 / -1;
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

#formStatus {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-soft);
}

#formStatus.ok {
  color: var(--accent);
}

#formStatus.error {
  color: var(--warn);
}

.section h2 {
  font-size: clamp(1.3rem, 2vw, 1.75rem);
}

.comparison {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.card {
  border-radius: 14px;
  padding: 1rem;
  border: 1px solid var(--line);
}

.card.bad {
  background: rgba(24, 25, 25, 0.45);
}

.card.good {
  background: linear-gradient(160deg, rgba(11, 47, 40, 0.7), rgba(10, 34, 28, 0.7));
  border-color: rgba(28, 157, 129, 0.75);
}

ul,
ol {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

li {
  margin: 0.38rem 0;
  color: var(--text-soft);
}

.pillars {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.tile {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  background: rgba(8, 18, 27, 0.6);
}

.tile p {
  margin: 0.5rem 0 0;
  color: var(--text-soft);
  line-height: 1.45;
}

.process ol li {
  font-size: 1rem;
}

.section-lead {
  margin: 0.6rem 0 1rem;
  max-width: 68ch;
  color: var(--text-soft);
  line-height: 1.5;
}

code {
  font-family: monospace;
  font-size: 0.9em;
  background: rgba(24, 209, 168, 0.1);
  color: var(--accent);
  border-radius: 5px;
  padding: 0.1em 0.4em;
}

@keyframes rise {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 860px) {
  main,
  .topbar {
    width: calc(100% - 1.3rem);
  }

  .hero {
    padding: 1.25rem;
  }

  .hero-metrics,
  .comparison,
  .pillars {
    grid-template-columns: 1fr;
  }

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