:root {
  --bg: #050708;
  --bg-panel: #0d1113;
  --fg: #f4f7f8;
  --fg-muted: rgba(244, 247, 248, 0.66);
  --accent: #48bda2;
  --accent-blue: #4ccdd9;
  --accent-yellow: #e6d67e;
  --border: rgba(244, 247, 248, 0.12);
  --max-width: 1160px;
}

.accent-green { color: var(--accent); }
.accent-blue { color: var(--accent-blue); }
.accent-yellow { color: var(--accent-yellow); }

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Chakra Petch", "Inter", -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 8, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 18px;
}

.nav .brand { font-size: 27px; }

.brand-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--accent-blue);
  transition: color 0.15s ease;
}

.nav-links a:not(.btn-primary) { font-size: 17.5px; }

.nav-links a:hover, .nav-links a.active { color: var(--fg); }

.nav-links a.active { color: var(--accent); }

.nav-links a.btn-primary,
.nav-links a.btn-primary:hover { color: #000000; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: #000000; }
.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--fg);
  font-size: 24px;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.eyebrow {
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 16px;
}

.lede {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-image {
  margin-top: 56px;
  border-radius: 20px;
  overflow: hidden;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border);
}

.hero-feature {
  position: relative;
  margin-top: 56px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  text-align: left;
}

.hero-feature img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-feature-overlay {
  position: absolute;
  left: 20px;
  bottom: 20px;
  width: 16.6%;
  min-width: 150px;
  background: rgba(5, 7, 8, 0.78);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 18px 20px;
}

.hero-feature-overlay p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 13px;
  line-height: 1.4;
}

@media (max-width: 860px) {
  .hero-feature-overlay { width: 45%; }
}

/* Sections */
section { padding: 80px 0; }
section.tight { padding: 56px 0; }
.section-border-top { border-top: 1px solid var(--border); }

.section-image {
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 40px;
  border: 1px solid var(--border);
}

.eyebrow-label {
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

/* Three-step grid */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.step-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-panel);
}

.step-card img { height: 220px; width: 100%; object-fit: cover; }

.step-body { padding: 22px; }

.step-number {
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.step-body p { color: var(--fg-muted); margin: 0; font-size: 15px; }

/* Panel / CTA blocks */
.panel {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-panel);
  padding: 48px;
}

.panel-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.panel-cta p { color: var(--fg-muted); max-width: 520px; margin: 12px 0 0; }

/* Two column feature */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.two-col img {
  border-radius: 20px;
  border: 1px solid var(--border);
}

.feature-list { margin-top: 40px; display: flex; flex-direction: column; gap: 32px; }
.feature-list h3 { font-size: 20px; margin: 0 0 8px; }
.feature-list p { color: var(--fg-muted); margin: 0; font-size: 15px; }

/* Founder / about */
.founder-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: start;
}

.founder-photo { border-radius: 20px; overflow: hidden; border: 1px solid var(--border); }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }

.form-panel {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-panel);
  padding: 40px;
}

.contact-form { margin-top: 32px; display: flex; flex-direction: column; }

.contact-form label {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--fg);
  font-family: inherit;
  font-size: 14px;
  margin-bottom: 20px;
}

.contact-form textarea { resize: vertical; min-height: 120px; }

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.contact-form button { align-self: flex-start; }

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-brand { max-width: 380px; }
.footer-brand p { color: var(--fg-muted); font-size: 14px; margin-top: 12px; }

.footer-links { display: flex; gap: 28px; }
.footer-links a { font-size: 14px; color: var(--fg-muted); }
.footer-links a:hover { color: var(--fg); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  color: var(--fg-muted);
  font-size: 13px;
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 12px; }
  .mobile-toggle { display: block; }
  .steps { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .founder-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .panel-cta { flex-direction: column; align-items: flex-start; }
  section { padding: 56px 0; }
}
