:root {
  --ink: #1f2328;
  --ink-soft: #2f3840;
  --muted: #5b6570;
  --bg: #f7f8fa;
  --bg-2: #eef2f7;
  --card: #ffffff;
  --accent: #1f4b99;
  --accent-2: #3b6fd8;
  --border: rgba(31, 35, 40, 0.12);
  --shadow: 0 16px 32px rgba(31, 35, 40, 0.08);
  --header-bg: rgba(247, 248, 250, 0.9);
  --hover-bg: rgba(31, 75, 153, 0.08);
  --note-bg: rgba(31, 75, 153, 0.08);
}

:root[data-theme="dark"] {
  --ink: #e9edf2;
  --ink-soft: #c7d0da;
  --muted: #98a5b3;
  --bg: #0b1117;
  --bg-2: #0e1621;
  --card: #151f2b;
  --accent: #4c8dff;
  --accent-2: #6aa8ff;
  --border: rgba(233, 237, 242, 0.12);
  --shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
  --header-bg: rgba(11, 17, 23, 0.92);
  --hover-bg: rgba(76, 141, 255, 0.18);
  --note-bg: rgba(76, 141, 255, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: anywhere;
  hyphens: auto;
  word-break: break-word;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px dashed var(--accent-2);
  outline-offset: 3px;
}

.wrap {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand span {
  display: block;
  font-size: 1.05rem;
}

.tagline {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 2px;
  font-weight: 500;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  font-weight: 600;
}

.nav a {
  padding: 8px 10px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.nav a:hover {
  background: var(--hover-bg);
  color: var(--ink);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  padding: 70px 0 50px;
  align-items: center;
}

.hero > div {
  min-width: 0;
}

.hero h1 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 0 0 16px;
  line-height: 1.05;
  word-break: break-word;
}

.hero p {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 22px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.button.secondary {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.button:hover {
  transform: translateY(-2px);
}

.button.small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.hero-card {
  background: var(--card);
  padding: 28px;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}

.hero-card li::before {
  content: "+";
  margin-right: 10px;
  color: var(--accent);
  font-weight: 700;
}

.section {
  padding: 50px 0;
}

.section-muted .section-title {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  color: var(--muted);
  letter-spacing: 0.01em;
}

.section-muted .card {
  box-shadow: none;
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(31, 35, 40, 0.08);
}

:root[data-theme="dark"] .section-muted .card {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(233, 237, 242, 0.1);
}

.section-title {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin: 0 0 20px;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.card ul {
  padding-left: 18px;
  margin: 0;
  color: var(--ink-soft);
}

.note {
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  background: var(--note-bg);
  border-radius: 12px;
  color: var(--ink-soft);
  font-weight: 600;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.contact-card {
  background: var(--card);
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.contact-card h4 {
  margin-top: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
}

.footer {
  padding: 40px 0 50px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a {
  color: var(--ink-soft);
  font-weight: 600;
}

.page-hero {
  padding: 60px 0 30px;
}

.page-hero h1 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  margin: 0 0 10px;
}

.legal {
  background: var(--card);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: var(--ink-soft);
  line-height: 1.6;
}

.legal h2 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  color: var(--ink);
}

.legal ul {
  padding-left: 18px;
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
  }

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

  .hero {
    padding-top: 50px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero,
  .card,
  .hero-card,
  .legal {
    animation: rise 0.6s ease both;
  }

  .card:nth-child(2),
  .hero-card,
  .legal {
    animation-delay: 0.08s;
  }

  .card:nth-child(3) {
    animation-delay: 0.16s;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}