/* Hallmark · pre-emit critique: P4 H5 E4 S4 R5 V4 */
/* Encril marketing site — void + cyan; Space Grotesk + IBM Plex */

:root {
  --color-bg: #0b0f14;
  --color-bg-elevated: #121820;
  --color-fg: #e6edf3;
  --color-muted: #8494a7;
  --color-primary: #22d3ee;
  --color-primary-fg: #041016;
  --color-border: #243041;
  --color-glow: rgba(34, 211, 238, 0.16);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --shell: min(1120px, calc(100% - 2.5rem));
  --radius: 8px;
}

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

html,
body {
  margin: 0;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-primary) 85%, white);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-fg);
}

.nav-cta {
  color: var(--color-primary-fg) !important;
  background: var(--color-primary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  filter: brightness(1.06);
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: center;
  padding: 3rem 0 4rem;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 15% 20%, var(--color-glow), transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(2, 132, 199, 0.12), transparent 55%),
    linear-gradient(180deg, #0b0f14 0%, #0e1520 55%, #0b0f14 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: clamp(3.4rem, 8vw, 5.6rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  overflow-wrap: anywhere;
  min-width: 0;
}

.lede {
  margin: 1.1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--color-fg);
}

.support {
  margin: 1rem 0 0;
  max-width: 34rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: filter 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-fg);
}

.btn-primary:hover {
  filter: brightness(1.07);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-fg);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-border));
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.hero-visual {
  margin: 0;
  justify-self: end;
  width: min(100%, 320px);
  border-radius: 18px;
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
}

.hero-visual img {
  width: 100%;
  display: block;
  border: 0;
  outline: 0;
  border-radius: 0;
  background: var(--color-bg);
}

/* Steps */
.steps {
  padding: 4.5rem 0 4rem;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-bg-elevated), var(--color-bg));
}

.steps h2,
.strip h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  overflow-wrap: anywhere;
  min-width: 0;
}

.section-lead {
  margin: 0.85rem 0 0;
  max-width: 36rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.step-list {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.step-list li {
  padding: 1.35rem 0 0;
  border-top: 2px solid var(--color-primary);
}

.step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.step-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.step-list p {
  margin: 0.55rem 0 0;
  color: var(--color-muted);
  font-size: 0.98rem;
}

.download-note {
  margin: 0.85rem 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.download {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
}

.dl-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.dl-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--color-bg-elevated) 80%, transparent);
}

.dl-list li.is-current {
  border-color: color-mix(in srgb, var(--color-primary) 55%, var(--color-border));
}

.dl-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.dl-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.dl-soon {
  color: var(--color-muted);
  font-size: 0.92rem;
  white-space: nowrap;
}

.btn-sm {
  min-height: 2.35rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .dl-list li {
    flex-direction: column;
    align-items: stretch;
  }

  .dl-actions,
  .dl-list .btn,
  .dl-soon {
    width: 100%;
    text-align: center;
  }
}

/* Privacy strip */
.strip {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.strip p {
  margin: 0.65rem 0 0;
  max-width: 40rem;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0 2.5rem;
}

.footer-inner {
  display: grid;
  gap: 0.85rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.footer-brand img {
  border-radius: 6px;
}

.footer-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.footer-meta a:hover {
  color: var(--color-primary);
}

.footer-copy {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.25rem;
  }

  .hero-visual {
    justify-self: center;
    width: min(100%, 260px);
  }

  .step-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .strip-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}