@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Fraunces:opsz,wght@9..144,400;9..144,500&family=Inter:wght@400;500;600;700&family=Oranienbaum&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-charcoal);
  background-color: var(--color-parchment);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== NAVIGATION ===== */
.nav-wrapper {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
  padding: 10px 20px;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--color-white);
  stroke-width: 1.5;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-20);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: var(--tracking-body-sm);
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 0.7;
}

.nav-cta {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  text-decoration: none;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-md);
  transition: opacity 0.2s;
}

.nav-cta:hover {
  opacity: 0.8;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-48);
  overflow: hidden;
}

.hero-illustration {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: filter 0.15s linear;
}

.hero-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  opacity: 0.9;
}

.hero-logo-wrap {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hero-version {
  font-family: 'Times New Roman', Times, serif;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  opacity: 0.9;
  text-align: center;
  letter-spacing: 0.2px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85), 0 0 12px rgba(0, 0, 0, 0.5);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 0;
}

.hero-card {
  position: absolute;
  bottom: 48px;
  left: 48px;
  z-index: 1;
  max-width: 460px;
  padding: var(--spacing-24);
  background: transparent;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-2xl);
  transition: transform 0.15s linear;
  will-change: transform;
}

.hero-card h1 {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--color-dark-gold);
  margin-bottom: var(--spacing-16);
  font-feature-settings: "liga" 0;
}

.hero-card p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-white);
  margin-bottom: var(--spacing-24);
}

/* ===== BUTTONS ===== */
.btn-primary-outlined {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-bright-gold);
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-primary-outlined:hover {
  opacity: 0.8;
}

.btn-secondary-outlined {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-secondary-outlined:hover {
  opacity: 0.8;
}

.btn-filled-dark {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-bright-gold);
  padding: 8px 16px;
  background: var(--color-dusk);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-filled-dark:hover {
  opacity: 0.9;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-bright-gold);
  background: transparent;
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-ghost:hover {
  opacity: 0.7;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  font-size: 12px;
}

/* ===== SECTIONS ===== */
.section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-80) var(--spacing-24);
}

.section-white {
  background: var(--color-linen);
}

/* ===== ABOUT SECTION ===== */
.about-section {
  text-align: left;
  padding: 0 var(--spacing-24);
}

.about-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-24);
  font-feature-settings: "liga" 0;
}

.about-section p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-white);
  max-width: 700px;
  margin-bottom: var(--spacing-24);
}

/* ===== VISION SECTION (Cerulean card) ===== */
.vision-card {
  background: var(--color-linen);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-80) var(--spacing-64);
  margin: var(--spacing-64) auto;
  max-width: var(--page-max-width);
}

.vision-card h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  color: var(--color-dark-gold);
  margin-bottom: var(--spacing-24);
  font-feature-settings: "liga" 0;
}

.vision-card p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-white);
  max-width: 600px;
}

/* ===== AGENTS SECTION (Two-column) ===== */
.agents-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-48);
  align-items: start;
}

.agents-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
  font-feature-settings: "liga" 0;
}

.agents-text p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-white);
  margin-bottom: var(--spacing-16);
}

.agents-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-24);
}

.tag {
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-bright-gold);
  padding: 4px 12px;
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-sm);
  background: var(--color-linen);
}

.diagram-card {
  background: var(--color-linen);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-xl);
  padding: 0;
  box-shadow: var(--shadow-sm-2);
  width: fit-content;
  max-width: 100%;
  justify-self: end;
}

.diagram-card img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
  border-radius: var(--radius-xl);
  display: block;
}

/* ===== COFOUNDER SECTION ===== */
.cofounder-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
  font-feature-settings: "liga" 0;
}

.cofounder-section p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-white);
  margin-bottom: var(--spacing-32);
}

.notification-card {
  background: var(--color-linen);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-lg);
  padding: var(--spacing-16);
  box-shadow: var(--shadow-subtle);
  max-width: 400px;
  margin-top: var(--spacing-32);
}

.notification-card h4 {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-bright-gold);
  margin-bottom: var(--spacing-4);
}

.notification-card p {
  font-size: var(--text-caption);
  color: var(--color-white);
  margin-bottom: 0;
}

/* ===== WRITING SECTION ===== */
.writing-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-24);
  font-feature-settings: "liga" 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-24);
  margin-bottom: var(--spacing-32);
}

.article-card {
  background: var(--color-linen);
  border: 1px solid var(--color-dark-gold);
  outline: 1px solid var(--color-acid-green);
  outline-offset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: box-shadow 0.2s;
}

.article-card:hover {
  box-shadow: var(--shadow-sm);
}

.article-card-image {
  width: 100%;
  height: auto;
  max-height: 700px;
  object-fit: contain;
  display: block;
}

.article-card-body {
  padding: var(--spacing-16);
}

.article-card-body h3 {
  font-family: var(--font-body);
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark-gold);
  line-height: var(--leading-subheading);
  margin-bottom: var(--spacing-8);
}

.article-card-body p {
  font-size: var(--text-caption);
  color: var(--color-white);
  line-height: var(--leading-caption);
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: var(--spacing-80) var(--spacing-24);
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
  font-feature-settings: "liga" 0;
}

.cta-section h2 a {
  color: var(--color-bright-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cta-section p {
  font-size: var(--text-body);
  color: var(--color-white);
}

/* ===== FEATURES LIST SECTION ===== */
.features-list-section {
  text-align: center;
}

.features-list-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-40);
  font-feature-settings: "liga" 0;
}

.features-list {
  list-style: none;
  max-width: 600px;
  margin: 0 auto var(--spacing-40);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  text-align: left;
}

.features-list li {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-body);
  color: var(--color-white);
  padding-left: var(--spacing-24);
  position: relative;
}

.features-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-acid-green);
  font-size: var(--text-subheading);
}

.features-tagline {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  color: var(--color-graphite);
  max-width: 700px;
  margin: 0 auto var(--spacing-32);
  font-feature-settings: "liga" 0;
}

/* ===== BRAND LETTER A ===== */
.brand-a {
  color: var(--color-acid-green);
}

/* ===== DOWNLOAD BUTTONS ===== */
.download-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-16);
  margin-top: var(--spacing-48);
}

/* ===== FOOTER BADGES ===== */
.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16);
  margin-top: var(--spacing-32);
}

.footer-badges a {
  display: inline-block;
  text-decoration: none;
}

.footer-badges img {
  height: 50px;
  width: auto;
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-paper);
  border-top: 1px solid var(--color-dark-gold);
  padding: var(--spacing-64) var(--spacing-24);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-acid-green);
}

.footer-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-48);
}

.footer-statement {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  color: var(--color-dark-gold);
  max-width: 500px;
  font-feature-settings: "liga" 0;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
}

.footer-links a {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 0.7;
}

.footer-bottom {
  max-width: var(--page-max-width);
  margin: var(--spacing-48) auto 0;
  padding-top: var(--spacing-24);
  border-top: 1px solid var(--color-dark-gold);
  font-size: var(--text-caption);
  color: var(--color-white);
  position: relative;
}

.footer-bottom::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-acid-green);
}

/* ===== DOWNLOAD SEARCH HINT ===== */
.download-search-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-12);
  margin-top: var(--spacing-32);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  color: var(--color-ash);
}

.download-search-hint img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 8px;
  flex-shrink: 0;
}

.download-search-hint p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  margin: 0;
}

.download-search-hint strong {
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: var(--spacing-16) var(--spacing-24);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-dark-gold);
}

.cookie-banner-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
}

.cookie-banner-text {
  font-size: var(--text-caption);
  line-height: var(--leading-body);
  color: var(--color-ash);
  flex: 1;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--spacing-12);
  flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-card h1 {
    font-size: var(--text-heading);
    letter-spacing: var(--tracking-heading);
  }

  .agents-section {
    grid-template-columns: 1fr;
  }

  .vision-card {
    padding: var(--spacing-48) var(--spacing-24);
    margin: var(--spacing-32) var(--spacing-16);
  }

  .footer-inner {
    flex-direction: column;
  }

  .nav-wrapper {
    left: 24px;
    transform: none;
    right: auto;
  }

  .nav-pill {
    gap: var(--spacing-12);
    padding: 8px 16px;
    flex-wrap: nowrap;
    white-space: nowrap;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    white-space: nowrap;
  }

  .section {
    padding: var(--spacing-48) var(--spacing-16);
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-badges {
    justify-content: center;
  }

  .diagram-card {
    justify-self: center;
    max-width: 90%;
  }

  .diagram-card img {
    max-width: 100%;
    max-height: 400px;
  }

  .cookie-banner-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero {
    padding: var(--spacing-24);
  }

  .hero-logo-wrap {
    position: fixed;
    top: 20px;
    right: 24px;
    left: auto;
    transform: none;
    z-index: 1001;
  }

  .hero-card {
    padding: var(--spacing-16);
    max-width: calc(100% - 48px);
    left: 24px;
    bottom: 24px;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .article-card-image {
    max-height: 500px;
  }
}

@media (max-width: 480px) {
  .nav-pill {
    gap: var(--spacing-8);
    padding: 6px 12px;
  }

  .nav-cta {
    font-size: var(--text-caption);
    padding: 4px 10px;
  }

  .hero-card h1 {
    font-size: var(--text-heading-sm);
  }

  .hero-card p {
    font-size: var(--text-body-sm);
  }

  .about-section h2,
  .cofounder-section h2,
  .features-list-section h2,
  .writing-section h2,
  .cta-section h2 {
    font-size: var(--text-heading-sm);
  }

  .vision-card h2 {
    font-size: var(--text-heading-sm);
  }

  .footer-statement {
    font-size: var(--text-body);
  }

  .features-tagline {
    font-size: var(--text-body);
  }
}