:root {
  --bg: #f4f4f4;
  --surface: #ffffff;
  --surface-soft: #ececec;
  --text: #111315;
  --muted: #5e646b;
  --primary: #2c2f36;
  --border: #d8d8d8;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(var(--container), 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 244, 244, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(17, 19, 21, 0.06);
}

.navbar {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

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

.nav a {
  font-size: 0.98rem;
  color: var(--text);
  transition: opacity 0.2s ease;
}

.nav a:hover {
  opacity: 0.7;
}

.hero {
  padding: 52px 0 64px;
  background: linear-gradient(180deg, #f4f4f4 0%, #efefef 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.hero-text {
  padding-top: 8px;
}

.eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 0.98;
  margin-bottom: 20px;
  max-width: 10ch;
}

.hero-description {
  max-width: 760px;
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero-support {
  max-width: 740px;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

.btn-full {
  width: 100%;
  margin-top: 10px;
}

.hero-panel {
  background: var(--primary);
  color: #fff;
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.panel-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  opacity: 0.78;
  margin-bottom: 14px;
}

.hero-panel h2 {
  font-size: 1.75rem;
  line-height: 1.12;
  margin-bottom: 22px;
}

.panel-points {
  display: grid;
  gap: 18px;
}

.panel-point {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-point h3 {
  font-size: 1.03rem;
  margin-bottom: 6px;
}

.panel-point p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.96rem;
}

.section {
  padding: 88px 0;
}

.section-soft {
  background: var(--surface-soft);
}

.section-dark {
  background: var(--primary);
  color: #fff;
}

.section-grid,
.founder-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: start;
}

.section-tag {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 14px;
}

.section-tag-light {
  color: rgba(255, 255, 255, 0.72);
}

.section h2 {
  font-size: clamp(2rem, 3.1vw, 3rem);
  line-height: 1.08;
  margin-bottom: 18px;
  max-width: 18ch;
}

.section-heading {
  margin-bottom: 28px;
}

.section-intro {
  max-width: 780px;
  color: var(--muted);
}

.content-stack {
  display: grid;
  gap: 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 28px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(17, 19, 21, 0.04);
}

.card h3 {
  font-size: 1.24rem;
  margin-bottom: 12px;
}

.card p {
  color: var(--muted);
}

.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.process-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.process-item span {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.process-item h3 {
  margin-bottom: 12px;
  font-size: 1.16rem;
}

.process-item p {
  color: var(--muted);
}

.founder-list {
  margin-top: 10px;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.contact-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.contact-card {
  background: #ffffff;
  color: var(--text);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-card p + p {
  margin-top: 18px;
}

.contact-card a:hover {
  text-decoration: underline;
}

.contact-actions {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #ffffff;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.24);
}

.social-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.10);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.social-icon-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  display: block;
}

.site-footer {
  background: #111315;
  color: rgba(255, 255, 255, 0.8);
  padding: 28px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.footer-socials a:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

.footer-social-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

@media (max-width: 1100px) {
  .hero-grid,
  .section-grid,
  .founder-grid,
  .contact-block,
  .cards,
  .process {
    grid-template-columns: 1fr;
  }

  .hero h1,
  .section h2 {
    max-width: none;
  }

  .hero-panel {
    max-width: 760px;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .navbar {
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
    gap: 14px 18px;
  }

  .brand img {
    height: 42px;
  }

  .hero {
    padding: 42px 0 54px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 4rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .hero-panel {
    padding: 24px;
  }
}