:root {
  color-scheme: dark;
  --bg: #0a0b0f;
  --bg-elevated: #12141c;
  --surface: #181b26;
  --border: rgba(148, 163, 184, 0.14);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --glow: rgba(56, 189, 248, 0.35);
  --radius-lg: 1rem;
  --radius-md: 0.75rem;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", var(--font-sans);
  --space-section: clamp(3rem, 8vw, 6rem);
  --max-w: 72rem;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --surface: #f1f5f9;
  --border: rgba(15, 23, 42, 0.1);
  --text: #0f172a;
  --muted: #475569;
  --accent: #0284c7;
  --accent-dim: #0369a1;
  --glow: rgba(2, 132, 199, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(56, 189, 248, 0.08), transparent);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.skip-link {
  position: absolute;
  left: -624.9375rem;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 0.0625rem solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(0.75rem);
}

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo__jm {
  color: var(--accent);
  letter-spacing: -0.03em;
}

.logo__chev {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  border-radius: 0.25rem;
  clip-path: polygon(0 0, calc(100% - 0.375rem) 0, 100% 50%, calc(100% - 0.375rem) 100%, 0 100%);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 0.875rem;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
}

.nav__link--cta {
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: var(--bg);
}

[data-theme="light"] .nav__link--cta {
  color: #fff;
}

.nav__link--cta:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-toggle svg {
  width: 1.125rem;
  height: 1.125rem;
}

main {
  overflow-x: hidden;
}

.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-section) 1.25rem;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 56rem) {
  .hero {
    grid-template-columns: 1fr 1fr;
  }
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.375rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 0.0625rem solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn:focus-visible {
  outline: 0.125rem solid var(--accent);
  outline-offset: 0.125rem;
}

.btn:active {
  transform: translateY(0.0625rem);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: #0f172a;
  box-shadow: 0 0.25rem 1.5rem var(--glow);
}

[data-theme="light"] .btn--primary {
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

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

.btn--ghost:hover {
  background: var(--surface);
  text-decoration: none;
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  isolation: isolate;
}

.hero__visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 0.0625rem, transparent 0.0625rem),
    linear-gradient(90deg, var(--border) 0.0625rem, transparent 0.0625rem);
  background-size: 1.5rem 1.5rem;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 30%, transparent 75%);
}

.hero__visual-glow {
  position: absolute;
  width: 60%;
  height: 60%;
  left: 20%;
  top: 15%;
  background: radial-gradient(circle, var(--glow), transparent 65%);
  filter: blur(2rem);
  animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.hero__visual-card {
  position: absolute;
  inset: 12%;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--bg-elevated), var(--surface));
  border: 0.0625rem solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1rem 1.125rem;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.35);
}

.hero__visual-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.hero__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0.5rem #22c55e;
}

.hero__code {
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--muted);
  flex: 1;
}

.hero__code .kw {
  color: var(--accent);
}

.hero__code .str {
  color: #a5f3fc;
}

[data-theme="light"] .hero__code .str {
  color: #0369a1;
}

.hero__brand {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.35em;
  color: var(--muted);
  text-transform: uppercase;
}

.hero__brand span {
  color: var(--accent);
}

.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-section) 1.25rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.5rem;
}

.section__intro {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 2rem;
}

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

@media (min-width: 40rem) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 0.0625rem solid var(--border);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-0.125rem);
}

.feature-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.feature-card h3 {
  font-size: 1.0625rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.cta-band {
  max-width: var(--max-w);
  margin: 0 auto 4rem;
  padding: 0 1.25rem;
}

.cta-band__inner {
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, var(--surface)), var(--bg-elevated));
  border: 0.0625rem solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-band__text h2 {
  font-family: var(--font-display);
  margin: 0 0 0.375rem;
  font-size: 1.5rem;
}

.cta-band__text p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 0.0625rem solid var(--border);
  padding: 2.5rem 1.25rem;
  margin-top: auto;
}

.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.site-footer .logo {
  font-size: 1.25rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact a {
  font-weight: 600;
  font-size: 1rem;
}

.footer-copy {
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 0.0625rem solid var(--border);
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-intro {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) 1.25rem 1rem;
}

.page-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
}

.page-intro p {
  color: var(--muted);
  max-width: 36rem;
  margin: 0;
}

.contact-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem var(--space-section);
  display: grid;
  gap: 2rem;
}

@media (min-width: 56rem) {
  .contact-layout {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}

.contact-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 0.0625rem solid var(--border);
}

.contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 1rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  margin-bottom: 1.25rem;
}

.contact-list li:last-child {
  margin-bottom: 0;
}

.contact-list strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.contact-list a {
  font-weight: 600;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.form__row {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form input,
.form textarea,
.form select {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-md);
  border: 0.0625rem solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 0.125rem var(--glow);
}

.form textarea {
  min-height: 9rem;
  resize: vertical;
}

.form__hint {
  font-size: 0.8125rem;
  color: var(--muted);
}

.hp-field {
  position: absolute;
  left: -624.9375rem;
  width: 0.0625rem;
  height: 0.0625rem;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  display: none;
}

.form-status--ok {
  display: block;
  background: color-mix(in srgb, #22c55e 15%, var(--surface));
  border: 0.0625rem solid color-mix(in srgb, #22c55e 35%, transparent);
  color: var(--text);
}

.form-status--err {
  display: block;
  background: color-mix(in srgb, #f87171 12%, var(--surface));
  border: 0.0625rem solid color-mix(in srgb, #f87171 35%, transparent);
  color: var(--text);
}