:root {
  --bg0: #070b12;
  --bg1: #0b1020;
  --panel: rgba(233, 238, 247, 0.06);
  --panel-strong: rgba(233, 238, 247, 0.1);
  --border: rgba(233, 238, 247, 0.12);
  --text: #e9eef7;
  --muted: rgba(233, 238, 247, 0.74);
  --muted2: rgba(233, 238, 247, 0.62);
  --accent: #5fa3d1;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.55);

  --container: 1100px;
  --radius: 16px;
  --radius-sm: 12px;
}

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

html:focus-within {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans",
    "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 0%, rgba(95, 163, 209, 0.18), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(95, 163, 209, 0.1), transparent 65%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

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

a {
  color: inherit;
  text-decoration-color: rgba(95, 163, 209, 0.6);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: rgba(95, 163, 209, 0.95);
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid rgba(95, 163, 209, 0.95);
  outline-offset: 3px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.9);
  border: 1px solid var(--border);
  transform: translateY(-150%);
  transition: transform 160ms ease;
  z-index: 1000;
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(7, 11, 18, 0.68);
  border-bottom: 1px solid rgba(233, 238, 247, 0.09);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: auto;
  vertical-align: -0.15em;
}

.brand-text {
  font-weight: 650;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-toggle {
  display: none;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(233, 238, 247, 0.06);
  cursor: pointer;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.4rem 0.25rem;
  border-radius: 10px;
}

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

.anchor-top {
  height: 1px;
  scroll-margin-top: 92px;
  pointer-events: none;
}

.hero {
  position: relative;
  padding: 4.5rem 0 3.25rem;
  border-bottom: 1px solid rgba(233, 238, 247, 0.08);
  background: radial-gradient(800px 420px at 20% 18%, rgba(95, 163, 209, 0.22), transparent 58%),
    radial-gradient(700px 420px at 78% 8%, rgba(233, 238, 247, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(7, 11, 18, 0.2), rgba(7, 11, 18, 0.65));
}

.hero-inner {
  max-width: 820px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(95, 163, 209, 0.28);
  background: rgba(233, 238, 247, 0.05);
}

h1 {
  margin: 0.9rem 0 0.75rem;
  font-size: clamp(2.35rem, 4vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.subhead {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 60ch;
}

.micro {
  margin: 1.25rem 0 0;
  color: var(--muted2);
  font-size: 0.95rem;
}

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

.hero-links {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(233, 238, 247, 0.14);
  background: rgba(233, 238, 247, 0.04);
  text-decoration: none;
  color: var(--muted);
}
.pill:hover {
  border-color: rgba(95, 163, 209, 0.42);
  color: var(--text);
}

.section {
  padding: 3.25rem 0;
  scroll-margin-top: 92px;
}

.section-alt {
  background: rgba(233, 238, 247, 0.025);
  border-top: 1px solid rgba(233, 238, 247, 0.06);
  border-bottom: 1px solid rgba(233, 238, 247, 0.06);
}

.section-title {
  margin: 0 0 1.25rem;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-mark {
  width: 1.35em;
  height: auto;
  vertical-align: -0.18em;
  flex: 0 0 auto;
}

.prose {
  max-width: 72ch;
  color: var(--muted);
}

.prose p {
  margin: 0 0 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
  padding: 1.15rem 1.15rem 1.05rem;
}

.card-top {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
}

.card-title {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.card-meta {
  margin: 0;
  color: var(--muted2);
  font-size: 0.92rem;
}

.card-body {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.callout {
  background: linear-gradient(180deg, rgba(95, 163, 209, 0.11), rgba(233, 238, 247, 0.04));
  border-color: rgba(95, 163, 209, 0.28);
}

.text-link {
  color: var(--text);
  text-decoration-color: rgba(95, 163, 209, 0.7);
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.timeline-item {
  position: relative;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  line-height: 1;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(180deg, rgba(95, 163, 209, 0.95), rgba(95, 163, 209, 0.78));
  color: #071018;
  border-color: rgba(95, 163, 209, 0.55);
}

.btn-primary:hover {
  filter: brightness(1.03);
}

.btn-secondary {
  background: rgba(233, 238, 247, 0.06);
  border-color: rgba(233, 238, 247, 0.16);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: rgba(95, 163, 209, 0.42);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(233, 238, 247, 0.16);
  color: var(--muted);
}

.btn-ghost:hover {
  border-color: rgba(233, 238, 247, 0.24);
  color: var(--text);
}

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

.contact-lines {
  display: grid;
  gap: 0.35rem;
}

.contact-line {
  color: var(--text);
  text-decoration: none;
}
.contact-line:hover {
  text-decoration: underline;
  text-decoration-color: rgba(95, 163, 209, 0.85);
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.15rem;
}

.site-footer {
  padding: 2.25rem 0;
  border-top: 1px solid rgba(233, 238, 247, 0.08);
  background: rgba(0, 0, 0, 0.12);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-text {
  margin: 0;
  color: var(--muted2);
  font-size: 0.94rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[aria-hidden="true"] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
}

.modal-dialog {
  position: relative;
  width: min(720px, 100%);
  border-radius: var(--radius);
  background: rgba(11, 16, 32, 0.95);
  border: 1px solid rgba(233, 238, 247, 0.16);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.1rem 1.25rem;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.modal-title {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.modal-desc {
  margin: 0.25rem 0 0;
  color: var(--muted2);
  font-size: 0.95rem;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(233, 238, 247, 0.16);
  background: rgba(233, 238, 247, 0.05);
  cursor: pointer;
}

.icon-btn:hover {
  border-color: rgba(95, 163, 209, 0.42);
}

.form {
  margin-top: 0.75rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.label {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.req {
  color: rgba(95, 163, 209, 0.95);
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(233, 238, 247, 0.14);
  background: rgba(233, 238, 247, 0.04);
  padding: 0.7rem 0.75rem;
}

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

input:focus-visible,
textarea:focus-visible {
  border-color: rgba(95, 163, 209, 0.65);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(255, 122, 122, 0.75);
}

.hint {
  min-height: 1.1em;
  font-size: 0.88rem;
  color: rgba(255, 170, 170, 0.92);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: 0.5rem;
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(233, 238, 247, 0.12);
  background: rgba(233, 238, 247, 0.03);
}

.status {
  margin: 0;
  color: var(--muted);
}

.status-success {
  color: rgba(170, 255, 210, 0.92);
}

.status-error,
.status-setup {
  color: rgba(255, 190, 190, 0.92);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

body.modal-open {
  overflow: hidden;
}

/* Responsive */
@media (max-width: 860px) {
  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    right: 1rem;
    top: 3.7rem;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.6rem;
    border-radius: var(--radius);
    border: 1px solid rgba(233, 238, 247, 0.14);
    background: rgba(7, 11, 18, 0.94);
    box-shadow: var(--shadow);
    min-width: 200px;
  }

  .site-nav {
    position: relative;
  }

  .site-nav[data-open="true"] .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 0.55rem 0.6rem;
  }

  .cards-2 {
    grid-template-columns: 1fr;
  }

  .cards-3 {
    grid-template-columns: 1fr;
  }

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

  .field-row {
    grid-template-columns: 1fr;
  }

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