:root {
  --bg: #0b1220;
  --surface: #101a30;
  --surface-2: #0f1830;
  --text: #eaf0ff;
  --muted: #b8c2e6;
  --muted-2: #8ea0d6;
  --brand: #6ee7ff;
  --brand-2: #a78bfa;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;

  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.25);

  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% -20%, rgba(110, 231, 255, 0.25), transparent 60%),
    radial-gradient(900px 700px at 110% 10%, rgba(167, 139, 250, 0.20), transparent 55%),
    radial-gradient(800px 600px at 30% 120%, rgba(52, 211, 153, 0.12), transparent 55%),
    var(--bg);
  line-height: 1.55;
}

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

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

.container {
  width: min(var(--max), calc(100% - 2 * 20px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #04101b;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.66);
  border-bottom: 1px solid rgba(184, 194, 230, 0.14);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand svg {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 8px 18px rgba(110, 231, 255, 0.20));
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  transition: background 140ms ease, color 140ms ease;
}
.nav a:hover,
.nav a:focus-visible {
  background: rgba(184, 194, 230, 0.10);
  color: var(--text);
  outline: none;
}
.nav a[aria-current="page"] {
  background: rgba(110, 231, 255, 0.14);
  color: var(--text);
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid rgba(184, 194, 230, 0.18);
  background: rgba(16, 26, 48, 0.65);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid rgba(110, 231, 255, 0.55);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(184, 194, 230, 0.18);
  background: rgba(16, 26, 48, 0.70);
  color: var(--text);
  font-weight: 650;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
  box-shadow: var(--shadow-soft);
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(16, 26, 48, 0.90);
  border-color: rgba(184, 194, 230, 0.26);
}

.btn.primary {
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.18), rgba(167, 139, 250, 0.16));
  border-color: rgba(110, 231, 255, 0.30);
}

.btn.primary:hover {
  border-color: rgba(110, 231, 255, 0.55);
}

.btn.ghost {
  background: transparent;
  box-shadow: none;
}

.hero {
  padding: 40px 0 26px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(184, 194, 230, 0.10);
  border: 1px solid rgba(184, 194, 230, 0.14);
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}
.kicker code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: rgba(110, 231, 255, 0.10);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(110, 231, 255, 0.16);
}

h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
  margin: 14px 0 10px;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  font-size: 17px;
  max-width: 62ch;
  margin: 0 0 16px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 18px 0 0;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
  color: var(--muted-2);
  font-size: 13px;
}

.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(184, 194, 230, 0.14);
  background: rgba(16, 26, 48, 0.55);
}

.card {
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 26, 48, 0.78), rgba(15, 24, 48, 0.55));
  border: 1px solid rgba(184, 194, 230, 0.14);
  box-shadow: var(--shadow);
}

.hero-art {
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.hero-art .badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(11, 18, 32, 0.60);
  border: 1px solid rgba(184, 194, 230, 0.14);
  color: var(--muted);
  backdrop-filter: blur(10px);
}
.hero-art .badge strong {
  color: var(--text);
}

.section {
  padding: 34px 0;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 24px;
  letter-spacing: -0.01em;
}

.section p.section-lead {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 72ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature {
  padding: 16px;
}

.feature .icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(110, 231, 255, 0.10);
  border: 1px solid rgba(110, 231, 255, 0.16);
  margin-bottom: 12px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 16px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li {
  margin: 7px 0;
}
.list strong {
  color: var(--text);
  font-weight: 700;
}

.timeline {
  padding: 16px;
}
.timeline ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(184, 194, 230, 0.14);
  background: rgba(16, 26, 48, 0.45);
}
.step .n {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(167, 139, 250, 0.10);
  border: 1px solid rgba(167, 139, 250, 0.18);
  color: var(--text);
  font-weight: 800;
}
.step h4 {
  margin: 0 0 6px;
  font-size: 14px;
}
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 38px;
  padding: 28px 0;
  border-top: 1px solid rgba(184, 194, 230, 0.14);
  background: rgba(11, 18, 32, 0.40);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 14px;
}

.footer h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--text);
}

.footer p,
.footer a {
  color: var(--muted);
  font-size: 14px;
}

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

.small {
  color: var(--muted-2);
  font-size: 12px;
}

/* Forms */
.form {
  padding: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field {
  display: grid;
  gap: 6px;
}
label {
  font-size: 13px;
  color: var(--muted);
}
input,
select,
textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(184, 194, 230, 0.18);
  background: rgba(16, 26, 48, 0.55);
  color: var(--text);
  outline: none;
  font: inherit;
}

input,
select {
  min-height: 46px;
  line-height: 1.2;
}

select {
  appearance: none;
}
textarea {
  min-height: 120px;
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  border-color: rgba(110, 231, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.10);
}
.hint {
  color: var(--muted-2);
  font-size: 12px;
  margin: 0;
  min-height: 1.2em;
}
.error {
  color: var(--danger);
  font-size: 12px;
  margin: 0;
  min-height: 1.2em;
}

/* Projects */
.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
}
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 16px;
}
.project {
  padding: 16px;
}
.project .tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.tag {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(184, 194, 230, 0.14);
  background: rgba(16, 26, 48, 0.50);
  padding: 6px 10px;
  border-radius: 999px;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .split {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .projects {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    display: none;
    position: absolute;
    right: 20px;
    top: 64px;
    flex-direction: column;
    width: min(420px, calc(100vw - 40px));
    padding: 10px;
    border-radius: 16px;
    background: rgba(11, 18, 32, 0.94);
    border: 1px solid rgba(184, 194, 230, 0.14);
    box-shadow: var(--shadow);
  }
  .nav.is-open {
    display: flex;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}