@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-soft: #0f1722;
  --surface: #121b27;
  --surface-strong: #162232;
  --border: rgba(140, 200, 214, 0.2);
  --text: #e9f2f6;
  --muted: #b6c6d1;
  --accent: #4bd6e6;
  --accent-soft: rgba(75, 214, 230, 0.12);
  --glow-ring: rgba(75, 214, 230, 0.48);
  --danger: #ff8d8d;

  --shadow-base: 0 18px 42px rgba(5, 12, 18, 0.4);
  --shadow-tech: 0 0 0 1px rgba(75, 214, 230, 0.24), 0 0 52px rgba(75, 214, 230, 0.18);

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

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 72px;

  --max-width: 1120px;

  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at 10% 0%, rgba(75, 214, 230, 0.12), transparent 35%),
    radial-gradient(circle at 85% 10%, rgba(75, 214, 230, 0.08), transparent 38%),
    linear-gradient(180deg, rgba(11, 15, 20, 0.96), rgba(11, 15, 20, 1)),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 12, 18, 0.72);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.logo img {
  width: 264px;
  height: auto;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  background: transparent;
  color: var(--text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-menu a {
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--text);
}

.lang-switch {
  border: 1px solid rgba(75, 214, 230, 0.5);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(75, 214, 230, 0.08);
  color: var(--text);
  font-size: 0.84rem;
}

.hero {
  padding: var(--space-7) 0 var(--space-6);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: var(--space-6);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: var(--space-3);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(75, 214, 230, 0.45);
  background: rgba(75, 214, 230, 0.1);
  color: var(--accent);
  letter-spacing: 0.02em;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  line-height: 1.2;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: var(--space-3);
}

.hero p,
.section p {
  color: var(--muted);
}

.hero p {
  margin-bottom: var(--space-4);
  font-size: 1.03rem;
}

.section {
  padding: var(--space-6) 0;
}

.section h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.15rem);
  margin-bottom: var(--space-4);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.button-row.compact {
  margin-top: var(--space-3);
}

.button {
  position: relative;
  overflow: hidden;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  font-weight: 600;
  transition: transform 0.22s ease, border-color 0.3s ease, box-shadow 0.42s ease;
  box-shadow: 0 8px 24px rgba(4, 12, 20, 0.45);
}

.button::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.55s ease 0.08s;
  box-shadow: var(--shadow-tech);
  pointer-events: none;
}

.button.primary {
  border-color: var(--accent);
  background: linear-gradient(140deg, rgba(75, 214, 230, 0.24), rgba(75, 214, 230, 0.06));
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--glow-ring);
}

.button:hover::after {
  opacity: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.card {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: var(--space-4);
  background: linear-gradient(150deg, rgba(23, 34, 49, 0.92), rgba(15, 23, 34, 0.88));
  box-shadow: var(--shadow-base);
  transition: transform 0.28s ease, border-color 0.32s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(75, 214, 230, 0.14), transparent 35%, rgba(75, 214, 230, 0.06));
  opacity: 0.75;
}

.card::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.66s ease 0.08s;
  box-shadow: var(--shadow-tech);
}

.card:hover,
.card.glow-on {
  transform: translateY(-4px);
  border-color: rgba(75, 214, 230, 0.5);
}

.card:hover::after,
.card.glow-on::after {
  opacity: 1;
}

.card > * {
  position: relative;
  z-index: 1;
}

.tag {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--space-2);
  padding: 4px 10px;
  border: 1px solid rgba(75, 214, 230, 0.46);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.78rem;
}

.list {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.list li {
  list-style: none;
  padding-left: 20px;
  color: var(--muted);
  position: relative;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(75, 214, 230, 0.42);
}

.timeline {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.timeline-step {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: var(--space-3);
  background: rgba(17, 25, 37, 0.74);
}

.form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.form label {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 500;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(9, 14, 20, 0.9);
  color: var(--text);
  padding: 12px 14px;
}

.form textarea {
  min-height: 130px;
  resize: vertical;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.form-status {
  display: none;
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  border: 1px solid transparent;
}

.form-status.success,
.form-status.error {
  display: block;
}

.form-status.success {
  border-color: rgba(75, 214, 230, 0.5);
  background: rgba(75, 214, 230, 0.12);
}

.form-status.error {
  border-color: rgba(255, 141, 141, 0.55);
  background: rgba(255, 141, 141, 0.1);
  color: #ffd5d5;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: var(--space-6);
  padding: var(--space-5) 0 var(--space-4);
  background: rgba(7, 12, 18, 0.86);
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.footer a {
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.footer-meta {
  border-top: 1px solid rgba(140, 200, 214, 0.12);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  color: rgba(182, 198, 209, 0.72);
}

.footer-meta small {
  font-size: 0.78rem;
}

.maker-links a {
  color: rgba(182, 198, 209, 0.9);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 50;
  background: var(--accent);
  color: #07121a;
  border-radius: 8px;
  padding: 8px 12px;
}

.skip-link:focus {
  left: var(--space-3);
  top: var(--space-3);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: 72px;
    right: var(--space-4);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    background: var(--surface-strong);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: var(--space-3);
    box-shadow: var(--shadow-base);
  }

  .nav-menu.open {
    display: flex;
  }

  .logo img {
    width: 210px;
  }
}

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

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