:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, .88);
  --surface-low: #f1f5ff;
  --surface-mid: #e9edff;
  --text: #141b2b;
  --muted: #434655;
  --muted-soft: #737686;
  --accent: #004ac6;
  --accent-2: #2563eb;
  --accent-soft: #dbe1ff;
  --cyan: #00a9c7;
  --border: #d8deef;
  --border-strong: #c3c6d7;
  --focus: #4cd7f6;
  --shadow: 0 20px 40px rgba(17, 24, 39, .07);
  --shadow-button: 0 10px 24px rgba(0, 74, 198, .26);
  --space-xs: .5rem;
  --space-sm: .75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --space-2xl: 3.5rem;
  --space-3xl: 5rem;
  --container: 1280px;
  --text-col: 800px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.62;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; }
p { margin: 0; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 {
  font-family: ui-sans-serif, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.55rem, 12vw, 4.35rem);
  line-height: 1.03;
  letter-spacing: -.045em;
}
h1 strong {
  color: var(--accent);
  white-space: nowrap;
}
h2 {
  margin: 0 0 var(--space-md);
  max-width: var(--text-col);
  font-size: clamp(1.75rem, 7vw, 3rem);
  line-height: 1.12;
  letter-spacing: -.03em;
}
h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.1rem;
  line-height: 1.25;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  max-width: var(--container);
  margin: 0 auto;
  padding: .9rem var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-bottom: 1px solid rgba(195, 198, 215, .38);
  background: rgba(249, 249, 255, .82);
  backdrop-filter: blur(18px);
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -.035em;
}
nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--muted);
  font-size: .95rem;
}
nav a {
  text-decoration: none;
  font-weight: 650;
}
nav a:hover { color: var(--accent); }
.nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-button);
}
.nav-cta:hover { color: #fff; background: var(--accent-2); }

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg);
}
.hero-inner,
.section,
.final-cta {
  width: min(100%, var(--container));
  margin: 0 auto;
}
.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - 86px);
  display: grid;
  align-items: center;
  gap: var(--space-xl);
}
.blueprint {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, .22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, .22) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .72;
}
.glow {
  position: absolute;
  z-index: 0;
  width: 330px;
  height: 330px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(0, 74, 198, .18) 0%, rgba(0, 74, 198, 0) 70%);
  filter: blur(70px);
  pointer-events: none;
}
.glow-one { top: -90px; right: -80px; }
.glow-two { left: -80px; bottom: -120px; background: radial-gradient(circle, rgba(76, 215, 246, .18) 0%, rgba(76, 215, 246, 0) 70%); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  width: fit-content;
  margin-bottom: var(--space-md);
  padding: .45rem .72rem;
  border: 1px solid rgba(180, 197, 255, .74);
  border-radius: 999px;
  background: rgba(219, 225, 255, .74);
  color: #00174b;
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.pill span {
  width: .5rem;
  height: .5rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(0, 74, 198, .12);
}
.lead {
  margin-top: var(--space-md);
  max-width: 670px;
  color: var(--muted);
  font-size: clamp(1.04rem, 4.2vw, 1.18rem);
}
.sublead {
  margin-top: var(--space-sm);
  color: var(--text);
  font-weight: 750;
}
.cta-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .95rem 1.3rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.2;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0) scale(.99); }
.button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.primary {
  color: #fff;
  background: var(--accent);
  box-shadow: var(--shadow-button);
}
.primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}
.secondary {
  color: var(--text);
  background: rgba(255,255,255,.78);
  border-color: var(--border-strong);
}
.secondary:hover {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.microcopy {
  margin-top: var(--space-sm);
  color: var(--muted-soft);
  font-size: .9rem;
}

.hero-panel {
  position: relative;
  border: 1px solid rgba(195, 198, 215, .48);
  border-radius: 24px;
  background: rgba(255,255,255,.72);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-panel img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.domain-card {
  position: absolute;
  left: var(--space-md);
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: .85rem .95rem;
  border: 1px solid rgba(216, 222, 239, .8);
  border-radius: 16px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 30px rgba(17,24,39,.08);
}
.small-label {
  display: block;
  color: var(--muted-soft);
  font-size: .78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .07em;
}
.domain-card strong {
  display: block;
  margin-top: .1rem;
  color: var(--text);
  font-size: 1.35rem;
  letter-spacing: -.03em;
}
.status {
  flex: 0 0 auto;
  padding: .45rem .7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #00174b;
  font-size: .82rem;
  font-weight: 850;
}

.section {
  padding: var(--space-2xl) var(--space-lg);
}
.section-heading {
  max-width: var(--text-col);
  margin-bottom: var(--space-xl);
}
.section-heading.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.eyebrow {
  margin: 0 0 var(--space-sm);
  color: var(--accent);
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .13em;
}
.section-heading p,
.section-copy,
.safe p,
.final-cta p {
  color: var(--muted);
}
.value-section {
  padding-top: var(--space-3xl);
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.glass-card,
.use-list article,
details,
.safe-card,
.final-cta {
  border: 1px solid rgba(216, 222, 239, .85);
  background: var(--surface-glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.glass-card {
  min-height: 100%;
  padding: var(--space-lg);
  border-radius: 24px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.glass-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 74, 198, .45);
}
.icon {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(180,197,255,.82);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 900;
}
.glass-card p,
.use-list p,
details p {
  color: var(--muted);
}
.split-section {
  display: grid;
  gap: var(--space-xl);
}
.use-list {
  display: grid;
  gap: var(--space-md);
}
.use-list article {
  padding: var(--space-lg);
  border-radius: 18px;
}
.use-list span {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.brand-section {
  border-top: 1px solid rgba(216, 222, 239, .75);
  border-bottom: 1px solid rgba(216, 222, 239, .75);
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.badges span {
  padding: .85rem 1rem;
  border: 1px solid rgba(216, 222, 239, .9);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-weight: 850;
  box-shadow: 0 10px 24px rgba(17,24,39,.04);
}
.safe-card {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-xl);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,.94), rgba(233,237,255,.82));
}
.safe-card p {
  max-width: 820px;
}
.faq-section {
  background: linear-gradient(180deg, transparent 0%, rgba(233,237,255,.52) 100%);
}
.faq {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-sm);
}
details {
  padding: 0;
  border-radius: 18px;
  overflow: hidden;
}
details > summary {
  list-style: none;
}
details > summary::-webkit-details-marker {
  display: none;
}
summary {
  cursor: pointer;
  padding: 1.05rem 1.15rem;
  font-weight: 850;
  line-height: 1.35;
}
summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}
details[open] summary::after {
  content: "−";
}
details p {
  padding: 0 1.15rem 1.15rem;
}
.final-cta {
  position: relative;
  overflow: hidden;
  margin: var(--space-2xl) auto var(--space-3xl);
  padding: var(--space-xl) var(--space-lg);
  border-radius: 28px;
  text-align: center;
  background: linear-gradient(135deg, #fff, var(--surface-mid));
}
.final-cta h2,
.final-cta p {
  margin-left: auto;
  margin-right: auto;
}
.final-cta p {
  max-width: 650px;
}
.final-cta .button {
  margin-top: var(--space-lg);
}
.glow-final {
  right: -90px;
  top: -120px;
}

@media (max-width: 640px) {
  .site-header {
    padding: .85rem var(--space-md);
  }
  nav a:not(.nav-cta) {
    display: none;
  }
  .nav-cta {
    padding-inline: .8rem;
    font-size: .9rem;
  }
  .hero {
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
  }
  .hero-inner {
    min-height: auto;
  }
  .hero-copy {
    text-align: center;
  }
  .pill {
    margin-left: auto;
    margin-right: auto;
  }
  .cta-row,
  .button {
    width: 100%;
  }
  .domain-card {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin: var(--space-sm);
  }
  .hero-panel img {
    aspect-ratio: 4 / 3;
  }
  .section {
    padding: var(--space-2xl) var(--space-md);
  }
  .safe-card {
    padding: var(--space-lg);
  }
  .final-cta {
    width: calc(100% - 2rem);
    margin-top: var(--space-xl);
    padding: var(--space-xl) var(--space-md);
  }
}

@media (min-width: 641px) {
  .cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 901px) {
  body { font-size: 17px; }
  h1 { font-size: clamp(3.9rem, 5.3vw, 4.9rem); }
  h2 { font-size: clamp(2.4rem, 4vw, 3.3rem); }
  .hero {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
  .hero-inner {
    min-height: calc(100svh - 120px);
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
    gap: var(--space-2xl);
  }
  .hero-panel {
    border-radius: 28px;
  }
  .split-section {
    grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr);
    align-items: start;
  }
  .use-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .safe-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1200px) {
  .section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }
}

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