:root {
  --bg: #f7fafc;
  --bg-soft: #edf4f8;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-solid: #ffffff;
  --panel-border: rgba(41, 91, 130, 0.12);
  --text: #163047;
  --muted: #5f7488;
  --accent: #1f87b8;
  --accent-strong: #106d99;
  --accent-warm: #f29f67;
  --shadow: 0 22px 60px rgba(125, 156, 181, 0.18);
  --radius: 24px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 135, 184, 0.16), transparent 25%),
    radial-gradient(circle at 85% 15%, rgba(242, 159, 103, 0.18), transparent 18%),
    linear-gradient(180deg, #fdfefe 0%, #f3f8fb 52%, #eef4f8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(21, 70, 105, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 70, 105, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.page-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
}

.site-header,
.features,
.about,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  padding-top: 0.2rem;
}

.single-page-content {
  display: grid;
  gap: 1.5rem;
}

.nav {
  position: relative;
  position: sticky;
  top: 1.25rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 0 20px rgba(31, 135, 184, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0;
  background: transparent;
  border: 0;
}

.nav-toggle span {
  width: 1.5rem;
  height: 2px;
  border-radius: 999px;
  background: var(--accent-strong);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
  padding: 5.5rem 0 4rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 36px;
  opacity: 0.3;
  background-size: cover;
  background-position: center;
  filter: saturate(1.02);
}

.hero.hero-variant-dashboard::before {
  background-image:
    linear-gradient(135deg, rgba(31, 135, 184, 0.2), rgba(242, 159, 103, 0.1)),
    url("./hero-security-dashboard.png");
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  padding: 2rem 0 1.5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about h2,
.site-footer h2,
.panel-card h2 {
  margin: 0;
  line-height: 1;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2rem, 4.6vw, 3.8rem);
}

.hero-text {
  max-width: 60ch;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 14px 34px rgba(31, 135, 184, 0.22);
}

.button-secondary {
  color: var(--text);
  border-color: var(--panel-border);
  background: rgba(255, 255, 255, 0.6);
}

.hero-panel {
  display: flex;
  justify-content: center;
}

.glow-card,
.feature-card,
.site-footer,
.about,
.contact-hero,
.contact-info,
.contact-form {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.panel-card {
  width: min(100%, 420px);
  padding: 1.75rem;
}

.panel-label {
  margin: 0 0 1rem;
  color: var(--accent-warm);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.panel-card h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.08;
}

.signal-list {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(21, 70, 105, 0.08);
  color: var(--muted);
}

.signal-list span,
.card-icon {
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
}

.signal-link {
  color: inherit;
  text-decoration: none;
}

.signal-link:hover,
.signal-link:focus-visible {
  color: var(--accent-strong);
  text-decoration: underline;
}

.features {
  padding: 1.5rem 0 4rem;
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 1.75rem;
}

.section-heading h2,
.about h2,
.site-footer h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature-card {
  padding: 1.5rem;
}

.blog-section {
  padding: 2rem;
}

.blog-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}

.blog-section p {
  margin: 0 0 1rem;
}

.card-link {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.card-link:hover,
.card-link:focus-visible {
  text-decoration: underline;
}

.feature-card h3 {
  margin: 1.1rem 0 0.75rem;
  font-size: 1.4rem;
}

.feature-card p,
.about-copy,
.contact-form span,
.form-status,
.footer-copy,
.contact-list,
.contact-note {
  color: var(--muted);
  line-height: 1.7;
}

.about {
  padding: 2rem;
  margin-bottom: 2rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  padding: 2rem;
}

.contact-section {
  margin-top: 0.5rem;
}

.contact-links {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  word-break: break-word;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent-strong);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--accent);
  flex: 0 0 auto;
}

.contact-icon svg {
  width: 1rem;
  height: 1rem;
}

.contact-icon img {
  width: 1rem;
  height: 1rem;
  display: block;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: flex-start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 2rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  color: var(--text);
  font: inherit;
  border: 1px solid rgba(21, 70, 105, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(248, 251, 253, 0.95);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(31, 135, 184, 0.5);
  box-shadow: 0 0 0 4px rgba(31, 135, 184, 0.1);
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.contact-note {
  margin: -0.25rem 0 0;
  font-size: 0.92rem;
}

.compact-header {
  margin-bottom: 2rem;
}

.contact-hero,
.contact-info {
  padding: 2rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.contact-list p {
  margin: 0 0 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-card {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero,
  .site-footer,
  .feature-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 1rem, 1180px);
  }

  .nav {
    align-items: flex-start;
    border-radius: 28px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero::before {
    opacity: 0.24;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

}