/* ---------- Base ---------- */
:root {
  --bg: #0b0c0e;
  --bg-alt: #0f1114;
  --surface: #14161a;
  --border: #24272d;
  --text: #eceef1;
  --text-muted: #989ea9;
  --accent: #c3c9d4;
  --accent-soft: rgba(195, 201, 212, 0.08);
  --steel-gradient: linear-gradient(180deg, #f4f5f7 0%, #c9cfd8 45%, #9aa2ae 55%, #d6dae1 100%);
  --radius: 14px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11, 12, 14, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.brand-mark {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--steel-gradient);
  color: #131519 !important;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(190, 200, 215, 0.22);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-small {
  padding: 8px 18px;
  background: var(--accent-soft);
  color: var(--accent) !important;
  border: 1px solid var(--border);
}

.btn-small:hover {
  border-color: var(--accent);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 120px;
  overflow: hidden;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(158, 175, 198, 0.13), transparent 65%);
  pointer-events: none;
}

.hero-logo {
  height: min(240px, 42vw);
  width: auto;
  display: block;
  margin: 0 auto 10px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55));
}

.hero-wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  margin-bottom: 34px;
  background: var(--steel-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-wordmark span {
  font-weight: 500;
  background: linear-gradient(180deg, #c6ccd5 0%, #9199a5 45%, #6f7681 55%, #a4abb6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  margin-bottom: 26px;
}

.accent {
  background: var(--steel-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 640px;
  margin: 0 auto 40px;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */
.section {
  padding: 110px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.section-lede {
  max-width: 620px;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 56px;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 22px;
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 20px;
}

.card ul {
  list-style: none;
}

.card li {
  position: relative;
  padding-left: 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  margin-top: 24px;
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
}

.cta-inner .section-lede {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero {
    padding: 80px 0 90px;
  }

  .section {
    padding: 80px 0;
  }

  .nav-links {
    gap: 18px;
  }

  .nav-links a:not(.btn) {
    display: none;
  }
}