:root {
  --warm-bg: #faf8f6;
  --text-primary: #1a0f08;
  --text-secondary: #5c483a;
  --text-tertiary: #8a7568;
  --accent: #c96844;
  --border: rgba(140, 117, 104, 0.12);
  font-size: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #faf8f6 0%, #fbf6f2 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  width: 100%;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 4%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(250, 248, 246, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
}

.nav__logo:hover {
  text-decoration: none;
}

.nav__logo-icon {
  flex-shrink: 0;
  display: block;
  opacity: 0.9;
}

.nav__logo-text {
  line-height: 1;
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

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

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  margin-top: 4rem;
  min-height: calc(100vh - 4rem);
  padding-top: max(8vh, 3rem);
  padding-bottom: max(8vh, 3rem);
}

.hero__content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 4% 2rem;
}

.hero__content h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: clamp(2rem, 4vh, 2.5rem);
}

.hero__description {
  font-size: 1rem;
  line-height: 1.7;
  background: linear-gradient(180deg, var(--text-secondary) 0%, var(--text-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 400;
  margin-bottom: clamp(1.5rem, 3vh, 2rem);
  letter-spacing: 0.002em;
}

.hero__details {
  font-size: 1rem;
  line-height: 1.7;
  background: linear-gradient(180deg, var(--text-secondary) 0%, var(--text-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: clamp(1.25rem, 2.5vh, 1.75rem);
}

.hero__backing {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  margin-bottom: 2.5rem;
  letter-spacing: 0.01em;
}

.hero__backing strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.hero__cta {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  padding: 0;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  border-bottom: 1.5px solid var(--accent);
  transition: opacity 0.2s ease;
  margin-top: clamp(1rem, 2vh, 1.5rem);
}

.hero__cta:hover {
  opacity: 0.7;
}

.research {
  max-width: 720px;
  margin: 0 auto;
  padding: 6rem 4%;
}

.research h2 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.research__grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.research__item {
  padding: 0;
}

.research__item h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
  display: inline;
}

.research__item p {
  font-size: 0.9375rem;
  background: linear-gradient(180deg, var(--text-secondary) 0%, var(--text-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.65;
  display: inline;
}

.footer {
  padding: 3rem 4%;
  color: var(--text-tertiary);
  font-size: 0.875rem;
  text-align: center;
  letter-spacing: 0.01em;
}

a:focus-visible {
  outline: 1.5px solid var(--accent);
  outline-offset: 4px;
}

::selection {
  background: rgba(201, 104, 68, 0.12);
  color: var(--text-primary);
}

/* About Page */
.about-page {
  padding: 8rem 4% 4rem;
  max-width: 720px;
  margin: 0 auto;
}

.about-page__content h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4rem;
}

.founders {
  display: grid;
  gap: 4rem;
  margin-bottom: 5rem;
}

.founder__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.founder__info h2 {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.founder__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: color 0.2s ease;
  text-decoration: none;
}

.founder__social:hover {
  color: var(--text-secondary);
}

.founder__role {
  color: var(--text-tertiary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8125rem;
  font-weight: 500;
}

.founder__bio {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.founder__contact {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
}

.origin-story,
.vision-section {
  margin-bottom: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.origin-story h2,
.vision-section h2 {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.origin-story p,
.vision-section p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .nav {
    padding: 1rem 5%;
    position: fixed;
  }

  .nav__links {
    gap: 1.5rem;
  }

  .nav__links a {
    font-size: 0.8125rem;
  }

  .hero {
    padding: 0 5%;
    margin-top: 3.5rem;
    min-height: auto;
    padding-top: clamp(4rem, 12vh, 6rem);
    padding-bottom: clamp(4rem, 12vh, 6rem);
  }

  .hero__content {
    padding: 0;
    max-width: none;
  }

  .hero__content h1 {
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    line-height: 1.2;
    margin-bottom: clamp(1.5rem, 3.5vh, 2rem);
  }

  .hero__description,
  .hero__details {
    font-size: 0.9375rem;
    line-height: 1.65;
    margin-bottom: clamp(1rem, 2.5vh, 1.5rem);
  }

  .research {
    padding: 4rem 5%;
    max-width: none;
  }

  .research__grid {
    max-width: none;
  }

  .footer {
    padding: 2.5rem 5%;
  }

  .about-page {
    padding: 7rem 5% 3rem;
  }
}