:root {
  --bg: #f4f3ef;
  --ink: #152127;
  --ink-soft: #41515b;
  --brand: #0f98a8;
  --brand-strong: #096a75;
  --accent: #ff7b30;
  --surface: #ffffff;
  --surface-alt: #dbe8e8;
  --ring: #0f98a833;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, #ff7b301f, transparent 40%),
    radial-gradient(circle at 80% 30%, #0f98a81c, transparent 35%),
    var(--bg);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -40px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

.skip-link:focus {
  top: 8px;
}

.hero {
  padding: 24px 20px 56px;
}

.nav,
.hero-grid,
.section {
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.brand {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  font-weight: 500;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-strong);
  font-size: 0.82rem;
}

h1 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  line-height: 1.04;
  max-width: 14ch;
}

.subtitle {
  color: var(--ink-soft);
  max-width: 60ch;
  font-size: 1.08rem;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 18px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  border-color: #c9d5d8;
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  border-color: #9eb4ba;
  color: var(--ink);
}

.proof {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--ink-soft);
}

.signal-card {
  background: var(--surface);
  border: 1px solid #c6d7db;
  border-radius: 18px;
  padding: 18px 18px 16px;
  box-shadow: 0 10px 28px #00101514;
}

.signal-title {
  margin: 0 0 14px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--brand-strong);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.signal-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
}

.signal-card dt {
  font-weight: 700;
}

.signal-note {
  margin-top: 14px;
  color: var(--ink-soft);
}

.section {
  padding: 52px 20px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
}

.section a {
  color: var(--brand-strong);
}

.section a:hover {
  color: var(--brand);
}

.cards {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid #cbdbdf;
  border-radius: 14px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid #cad9dc;
  border-bottom: 1px solid #cad9dc;
}

.section-future {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 24%, #00c4ff29, transparent 48%),
    radial-gradient(circle at 82% 12%, #00ffc326, transparent 44%),
    linear-gradient(145deg, #04141d 0%, #0b2733 48%, #0f1c29 100%);
  border-color: #194155;
}

.future-shell {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid #42c8f452;
  background: linear-gradient(140deg, #062130d6 0%, #0d2c3ec7 60%, #142b3fd6 100%);
  box-shadow: 0 20px 54px #000e1840, inset 0 0 0 1px #8fe3ff1a;
}

.future-kicker {
  margin: 0 0 10px;
  color: #87f8ff;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-family: "IBM Plex Mono", monospace;
}

.section-future h2 {
  color: #e8fbff;
  margin-bottom: 12px;
}

.future-lead {
  color: #bfe9f5;
  max-width: 76ch;
  margin-bottom: 20px;
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.future-card {
  border-radius: 16px;
  padding: 18px;
  border: 1px solid #73d6ff4d;
  background: linear-gradient(160deg, #0d3347c7 0%, #0b2c3fcf 100%);
}

.future-card h3 {
  margin: 0 0 8px;
  color: #effcff;
}

.future-card p {
  margin: 0 0 14px;
  color: #c7edf8;
}

.future-card-accent {
  border-color: #86ffd266;
  background: linear-gradient(160deg, #0f3f47cf 0%, #0f3243d1 100%);
}

.section-future .btn-secondary {
  background: #e8fbff;
  border-color: #def8ff;
  color: #08303e;
}

.future-proof {
  margin: 16px 0 0;
  padding-left: 20px;
  color: #bcecf8;
}

.future-proof li + li {
  margin-top: 6px;
}

.contact-form {
  margin-top: 16px;
  max-width: 680px;
  display: grid;
  gap: 10px;
}

.contact-form label {
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #bdcfd3;
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.form-feedback {
  margin: 4px 0 0;
  color: var(--brand-strong);
  font-weight: 600;
}

.form-feedback-error {
  color: #a3321d;
}

.site-footer {
  border-top: 1px solid #cad9dc;
  padding: 18px 20px 28px;
}

.site-footer p {
  margin: 0 auto;
  max-width: var(--max-width);
  color: var(--ink-soft);
}

.site-footer a {
  color: var(--brand-strong);
}

.ready .hero-grid,
.ready .cards .card {
  animation: rise 480ms ease both;
}

.ready .cards .card:nth-child(2) {
  animation-delay: 110ms;
}

.ready .cards .card:nth-child(3) {
  animation-delay: 180ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ready .hero-grid,
  .ready .cards .card {
    animation: none;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

  .future-shell {
    padding: 16px;
  }
}