/* Dark theme for Kaamos Labs */

:root {
  --font-system: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-bg: #121212;
  --color-bg-elevated: #1a1a1a;
  --color-bg-subtle: #161616;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);
  --color-text: #f7f8f8;
  --color-text-secondary: #8a8f98;
  --color-text-tertiary: #62666d;
  --color-accent: #5e6ad2;
  --color-accent-soft: rgba(94, 106, 210, 0.18);
  --color-black: #f7f8f8;
  --color-white: #121212;
  --color-gray-800: #e6e6e6;
  --color-gray-700: #c4c4c8;
  --color-gray-600: #9b9da3;
  --color-gray-500: #8a8f98;
  --color-gray-400: #8a8f98;
  --color-gray-300: #62666d;
  --color-gray-200: #2a2a2a;
  --color-gray-100: #1a1a1a;
  --color-gray-50: #161616;
  --color-gray-900: #f7f8f8;
  --color-lime: #5e6ad2;
  --radius-control: 8px;
  --radius-surface: 12px;
}

html {
  color-scheme: dark;
  background-color: var(--color-bg);
  height: 100%;
  /* Suppressed in favour of the :active press states below */
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-system);
  font-weight: 400;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.main {
  background-color: var(--color-bg);
  flex: 1 0 auto;
  width: 100%;
  /* styles.clean.css sets min-height:100vh which pushes the footer below the fold */
  min-height: 0 !important;
}

/* Header / Nav */
.header {
  background: rgba(18, 18, 18, 0.72) !important;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  box-shadow: none;
  overflow: visible;
}

.header.scrolled {
  background: rgba(18, 18, 18, 0.88) !important;
  box-shadow: none;
}

.nav-brand {
  color: var(--color-text);
}

.nav-brand:focus-visible,
.mobile-menu-btn:focus-visible,
.site-footer-brand a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.nav-logo {
  height: 2.25rem;
  max-width: 280px;
  width: auto;
  filter: brightness(0) invert(1) !important;
}

.nav-link,
.mobile-nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  text-transform: none;
}

.nav-links {
  gap: 0.15rem !important;
}

.nav-link {
  padding: 0.375rem 0.625rem !important;
  margin: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--color-text-secondary) !important;
  overflow: visible !important;
  transition: background-color 0.15s ease, color 0.15s ease !important;
}

.nav-link.active,
.mobile-nav-link.active {
  color: var(--color-text) !important;
}

@media (hover: hover) {
  .nav-link:hover {
    color: var(--color-text) !important;
    background-color: rgba(255, 255, 255, 0.06);
  }

  .mobile-nav-link:hover {
    color: var(--color-text) !important;
  }
}

.nav-link:active {
  color: var(--color-text) !important;
  background-color: rgba(255, 255, 255, 0.09);
}

.nav-brand:active,
.mobile-menu-btn:active {
  opacity: 0.6;
}

.nav-link:focus-visible,
.mobile-nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  color: var(--color-text) !important;
}

.nav-link:focus-visible {
  background-color: rgba(255, 255, 255, 0.06);
}

a.nav-link,
a.mobile-nav-link {
  text-decoration: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

a.nav-link {
  display: inline-flex;
  align-items: center;
}

.mobile-menu-btn,
.mobile-menu-close {
  color: var(--color-text-secondary);
}

.mobile-menu-btn {
  position: relative;
  z-index: 60;
  padding: 0.35rem;
  line-height: 0;
}

.mobile-menu-btn .icon-close {
  display: none;
}

.mobile-menu-btn[aria-expanded="true"] .icon-menu {
  display: none;
}

.mobile-menu-btn[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-menu-close {
  display: none !important;
}

/* Full-width dropdown directly under the mobile header */
.mobile-menu-overlay {
  position: absolute !important;
  top: 100% !important;
  left: 0 !important;
  right: 0 !important;
  bottom: auto !important;
  width: 100% !important;
  min-width: 0;
  margin: 0 !important;
  padding: 0.35rem 0 !important;
  display: flex !important;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 0;
  background: var(--color-bg) !important;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-link {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  /* Match .nav-container horizontal inset (1.25rem) */
  padding: 0.9rem 1.25rem !important;
  margin: 0;
  border-radius: 0;
  font-size: 0.9375rem !important;
  font-weight: 500 !important;
  letter-spacing: -0.01em;
  text-align: left !important;
  text-decoration: none;
  color: var(--color-text-secondary) !important;
  background: transparent;
  opacity: 1 !important;
  transform: none !important;
  transition: background-color 0.15s ease, color 0.15s ease !important;
  min-width: 0 !important;
  box-sizing: border-box;
}

/* Right arrow aligned under the hamburger icon */
.mobile-nav-link::after {
  content: '';
  /* Same outer width as .mobile-menu-btn (22px icon + 0.35rem pad each side) */
  width: calc(22px + 0.7rem);
  height: 22px;
  margin-left: 1rem;
  margin-right: 0;
  flex-shrink: 0;
  background-color: currentColor;
  opacity: 0.75;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12 5 19 12 12 19'/%3E%3C/svg%3E");
  -webkit-mask-size: 18px 18px;
  mask-size: 18px 18px;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  border: none;
  transform: none;
}

.mobile-nav-link.active {
  color: var(--color-text) !important;
  background: rgba(255, 255, 255, 0.04);
}

@media (hover: hover) {
  .mobile-nav-link:hover {
    color: var(--color-text) !important;
    background: rgba(255, 255, 255, 0.06);
  }
}

.mobile-nav-link:active {
  color: var(--color-text) !important;
  background: rgba(255, 255, 255, 0.09);
}

.nav-container {
  position: relative;
}

/* Mobile header: tighter bottom padding */
@media (max-width: 767px) {
  .header {
    height: auto !important;
    min-height: 0;
  }

  .nav {
    height: auto !important;
    padding: 0.7rem 0 0.45rem !important;
  }

  .nav-container {
    padding: 0 1.25rem !important;
    position: static !important;
  }

  .nav-logo {
    height: 1.75rem !important;
  }
}

@media (min-width: 768px) {
  .mobile-menu-overlay {
    display: none !important;
  }
}

/* Hero — flat dark style, no glow */
.hero {
  min-height: 0 !important;
  margin: 0 !important;
  margin-top: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 9rem 1.5rem 5rem !important;
  background: var(--color-bg) !important;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: 10rem 1.5rem 6rem !important;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 8rem 1.25rem 4rem !important;
  }
}

.hero::before,
.hero::after {
  display: none !important;
  content: none !important;
}

.hero-title {
  font-weight: 600;
  letter-spacing: -0.045em;
  color: var(--color-text);
  max-width: 18ch;
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-weight: 400;
  max-width: 34rem;
  margin-bottom: 0;
}

/* Featured product */
.featured {
  padding: 0 0 5rem;
  background: var(--color-bg);
}

.featured-box {
  margin: 0 auto;
  max-width: 40rem;
  padding: 2rem 1.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 20px;
  text-align: left;
}

.featured-icon {
  display: block;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0 0 1.15rem;
  object-fit: contain;
}

.featured-label {
  margin: 0 0 1rem;
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.featured-name {
  margin: 0 0 0.75rem;
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.featured-desc {
  margin: 0 0 1.5rem;
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  max-width: 32rem;
}

.featured-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.featured-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  position: relative;
}

.featured-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

@media (hover: hover) {
  .featured-link:hover::after {
    width: 100%;
  }
}

.featured-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.featured-link:focus-visible::after {
  width: 100%;
}

.featured-link:active {
  opacity: 0.65;
}

.featured-link:active::after {
  width: 100%;
}

@media (min-width: 768px) {
  .featured {
    padding: 0 0 6rem;
  }

  .featured-box {
    padding: 2.25rem 2.5rem;
  }

  .featured-name {
    font-size: 1.75rem;
  }
}

/* Disable legacy hero scroll fade / parallax */
.hero.scrolled .hero-title,
.hero.scrolled .hero-subtitle,
.hero.scrolled .hero-cta-buttons,
.hero.scrolled .scroll-cue {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

.scroll-cue {
  display: none !important;
}

/* Sections */
.about,
.products,
.vision,
.who {
  background-color: var(--color-bg) !important;
}

.research,
.contact,
.collaborations {
  background-color: var(--color-bg-subtle) !important;
}

.about::before,
.research::before,
.products::before,
.vision::before,
.who::before,
.contact::before {
  content: none;
}

.section-title {
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

@media (min-width: 768px) {
  .section-title {
    margin-bottom: 2rem;
  }
}

.section-headline,
.purpose-manifesto-text,
.method-manifesto-text,
.manifesto-headline {
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.purpose-block-title,
.method-block-title,
.product-name,
.team-name,
.connect-subheading,
.commitment-title,
.cta-title,
.whitepaper-title {
  color: var(--color-text) !important;
}

.purpose-text,
.method-text,
.product-description,
.research-description,
.mission-text,
.team-bio,
.connect-intro p,
.commitment-description,
.cta-description,
.whitepaper-subtitle,
.follow-text {
  color: var(--color-text-secondary) !important;
}

/* Principles section: shared type + spacing */
.about {
  padding: 5rem 0 5rem !important;
}

@media (min-width: 768px) {
  .about {
    padding: 6rem 0 6.5rem !important;
  }
}

.about .purpose-manifesto {
  text-align: left;
  max-width: 48rem;
  margin-bottom: 3.5rem;
}

.about .section-headline {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  margin: 0;
}

.purpose-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 0 !important;
}

@media (min-width: 768px) {
  .purpose-columns {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 3rem;
  }
}

.purpose-columns .purpose-block-title {
  color: var(--color-text);
  font-size: 1.125rem !important;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  padding: 1.5rem 0 0.85rem;
  margin: 0;
  border-top: 1px solid var(--color-border);
  text-transform: none;
}

.purpose-columns .purpose-text {
  margin: 0 0 2.25rem;
  font-size: 1rem !important;
  font-weight: 400 !important;
  line-height: 1.65;
  letter-spacing: -0.011em;
}

@media (min-width: 768px) {
  .purpose-columns .purpose-text {
    margin-bottom: 0;
  }
}

.about .research-intro {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  max-width: 40rem;
}

.research-description {
  margin: 0 0 1.5rem !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
  line-height: 1.65 !important;
  letter-spacing: -0.011em;
}

.research-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
}

.research-link {
  color: var(--color-text);
  font-size: 1.125rem !important;
  font-weight: 500 !important;
  letter-spacing: -0.02em;
}

.research-link::after {
  background: var(--color-accent);
  height: 1.5px;
}

@media (hover: hover) {
  .research-link:hover {
    transform: none;
  }
}

.research-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.research-link:focus-visible::after {
  width: 100%;
}

.research-link:active {
  opacity: 0.65;
}

.research-link:active::after {
  width: 100%;
}

/* Products */
.product-button {
  border-radius: 12px;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.product-button-primary {
  background: #fff;
  color: #121212;
  border-color: #fff;
}

.product-button-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.product-button-primary::before,
.product-button-secondary::before {
  display: none;
}

@media (hover: hover) {
  .product-button-primary:hover {
    background: #e6e6e6;
    transform: translateY(-1px);
  }

  .product-button-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.28);
    transform: translateY(-1px);
  }
}

.product-button:active {
  transform: scale(0.97);
}

.product-button-primary:active {
  background: #d4d4d4;
  border-color: #d4d4d4;
}

.product-button-secondary:active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.32);
}

.product-button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Future / commitments */
.commitment-item {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-surface);
  box-shadow: none;
}

@media (hover: hover) {
  .commitment-item:hover {
    transform: translateY(-2px);
    box-shadow: none;
    border-color: var(--color-border-strong);
  }

  .commitment-item:hover .commitment-icon {
    color: var(--color-accent) !important;
  }
}

.commitment-icon {
  color: var(--color-text-tertiary);
}

.future-visual {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-surface);
}

.future-cta .hero-cta-button {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

@media (hover: hover) {
  .future-cta .hero-cta-button:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: none;
  }
}

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

/* Team */
.team-title {
  color: var(--color-text-tertiary);
}

.team-quote {
  color: var(--color-text-secondary);
  border-left-color: var(--color-accent);
}

.team-bio strong {
  color: var(--color-text);
  font-weight: 500 !important;
}

/* Connect */
.connect-card {
  background: var(--color-bg-elevated) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-surface);
  animation: none !important;
  backdrop-filter: none !important;
}

.research-card {
  background: var(--color-bg-elevated) !important;
}

@media (hover: hover) {
  .research-card:hover,
  .connect-card:hover {
    transform: translateY(-2px);
    box-shadow: none;
    border-color: var(--color-border-strong) !important;
  }
}

.connect-card h3 {
  color: var(--color-text);
}

.connect-card p {
  color: var(--color-text-secondary) !important;
}

.email-link {
  color: var(--color-text);
}

.email-link::after {
  background: var(--color-accent);
  height: 1.5px;
}

.connect-card .social-link {
  background: rgba(255, 255, 255, 0.06);
}

.connect-card .social-link img {
  filter: invert(1);
}

/* Follow / footer */
.follow-research-bar {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.follow-research-bar .social-link img {
  filter: invert(1) !important;
  opacity: 0.7;
}

@media (hover: hover) {
  .follow-research-bar .social-link:hover img {
    opacity: 1;
    filter: invert(1) !important;
  }
}

.footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-copyright,
.footer-link {
  color: var(--color-text-tertiary);
}

@media (hover: hover) {
  .footer-link:hover {
    color: var(--color-text);
  }
}

/* Residual light components */
.method-cta-card,
.method-whitepaper-card,
.method-visual,
.purpose-visual {
  background: var(--color-bg-elevated) !important;
  border: 1px solid var(--color-border);
  animation: none !important;
  backdrop-filter: none !important;
}

.cta-button-integrated,
.whitepaper-button {
  background: #fff;
  color: #121212;
  border-radius: var(--radius-control);
}

.cta-button-integrated::before,
.whitepaper-button::before {
  display: none;
}

@media (hover: hover) {
  .cta-button-integrated:hover,
  .whitepaper-button:hover {
    background: #e6e6e6;
  }
}

.highlight-keyword {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.mouse-circle {
  display: none !important;
}

.skip-link {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  z-index: 1100;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 6px;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Visible without JS; animate only after js-ready */
.fade-in {
  opacity: 1;
  transform: none;
}

html.js-ready .fade-in:not(.visible) {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
}

html.js-ready .fade-in.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  html.js-ready .fade-in:not(.visible) {
    opacity: 1;
    transform: none;
  }
}

.legal-page,
.legal-content {
  background-color: var(--color-bg) !important;
  color: var(--color-text-secondary);
}

.legal-content h1,
.legal-content h2 {
  color: var(--color-text);
}

.legal-content a {
  color: var(--color-text);
}

.legal-content a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.error-page {
  background: var(--color-bg);
}

.error-title,
.error-subtitle {
  color: var(--color-text);
}

.error-description {
  color: var(--color-text-secondary);
}

.error-link {
  color: var(--color-text);
}

.error-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.error-link:active {
  opacity: 0.65;
}

.who .section-title {
  text-transform: none;
  letter-spacing: -0.035em;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.about-description {
  max-width: 40rem;
  font-size: 1.125rem;
  line-height: 1.7;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin: 0;
}

@media (min-width: 768px) {
  .who .section-title {
    margin-bottom: 1.75rem;
  }
  .about-description {
    font-size: 1.25rem;
  }
}

.footer-content {
  align-items: flex-start;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.footer-contact .footer-link {
  color: var(--color-text-secondary);
}

@media (hover: hover) {
  .footer-contact .footer-link:hover {
    color: var(--color-text);
  }
}

@media (min-width: 768px) {
  .footer-content {
    align-items: flex-end;
  }
}