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

:root {
  --page-gradient: linear-gradient(160deg, #ffffff 0%, #f1f3f5 55%, #ffffff 100%);
  --left-gradient: linear-gradient(160deg, #ffffff 0%, #ffffff 55%, #ffffff 100%);
  --right-gradient: linear-gradient(160deg, #f1f3f5 0%, #f1f3f5 55%, #f1f3f5 100%);
  --contact-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
  --card-bg-left: rgba(241, 243, 245, 0.95);
  --card-bg-right: rgba(255, 255, 255, 0.95);
  --card-bg-bottom: rgba(59, 130, 246, 0.12);
  --card-border-left: #d9dde2;
  --card-border-right: #d9dde2;
  --text-left: #1f2937;
  --text-right: #1f2937;
  --text-right-muted: #5b6472;
  --right-btn-bg: #3b82f6;
  --right-btn-text: #ffffff;
  --right-btn-border: transparent;
  /* Hover animation variables */
  --hover-width: 54%;
  --other-width: 46%;
  --hover-speed: 600ms;
  --corner-controls-top: 24px;
  --corner-controls-inset: 24px;
  --corner-control-size: 48px;
}

body.theme-dark {
  --page-gradient: linear-gradient(160deg, #0b1d33 0%, #132a46 55%, #0b1d33 100%);
  --left-gradient: linear-gradient(160deg, #0b1d33 0%, #0b1d33 55%, #0b1d33 100%);
  --right-gradient: linear-gradient(160deg, #132a46 0%, #132a46 55%, #132a46 100%);
  --contact-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
  --card-bg-left: rgba(19, 42, 70, 0.92);
  --card-bg-right: rgba(11, 29, 51, 0.92);
  --card-bg-bottom: rgba(59, 130, 246, 0.16);
  --card-border-left: rgba(230, 238, 249, 0.18);
  --card-border-right: rgba(230, 238, 249, 0.18);
  --text-left: #e6eef9;
  --text-right: #e6eef9;
  --text-right-muted: #b7c3d6;
  --right-btn-bg: #3b82f6;
  --right-btn-text: #ffffff;
  --right-btn-border: transparent;
}

body {
  width: 100vw;
  height: 100vh;
  background: var(--page-gradient);
  font-family: 'Inter', sans-serif;
  overflow: hidden;
  position: relative;
}


.night-sky {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
}

.night-sky.night-sky--scoped {
  position: absolute;
}

body.theme-dark .night-sky {
  opacity: 1;
}

.night-sky__layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.triangle-container {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--page-gradient);
  z-index: 1;
}

.triangle {
  position: absolute;
  cursor: pointer;
  transition: width var(--hover-speed) ease-in-out, left var(--hover-speed) ease-in-out, clip-path var(--hover-speed) ease-in-out;
  text-decoration: none;
  overflow: hidden;
}

/* Left Triangle - DEMO */
.triangle-left {
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 75%, 0 100%);
  background: var(--left-gradient);
  z-index: 1;
}

.triangle-left .demo-sky {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Right Triangle - CREATE */
.triangle-right {
  left: 50%;
  top: 0;
  width: 50%;
  height: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 75%);
  background: var(--right-gradient);
  z-index: 1;
}

/* Hover expansion - Left triangle hovered */
.triangle-container.hover-left .triangle-left {
  width: var(--hover-width);
  clip-path: polygon(0 0, 100% 0, 100% 77%, 0 100%);
}
.triangle-container.hover-left .triangle-right {
  width: var(--other-width);
  left: var(--hover-width);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 77%);
}
.triangle-container.hover-left .triangle-bottom {
  top: 77%;
  height: 23%;
  clip-path: polygon(0 100%, 54% 0%, 100% 100%);
}

/* Hover expansion - Right triangle hovered */
.triangle-container.hover-right .triangle-right {
  width: var(--hover-width);
  left: var(--other-width);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 77%);
}
.triangle-container.hover-right .triangle-left {
  width: var(--other-width);
  clip-path: polygon(0 0, 100% 0, 100% 77%, 0 100%);
}
.triangle-container.hover-right .triangle-bottom {
  top: 77%;
  height: 23%;
  clip-path: polygon(0 100%, 46% 0%, 100% 100%);
}

/* Hover expansion - Bottom triangle hovered */
.triangle-container.hover-bottom .triangle-bottom {
  top: 71%;
  height: 29%;
}
.triangle-container.hover-bottom .triangle-left {
  clip-path: polygon(0 0, 100% 0, 100% 71%, 0 100%);
}
.triangle-container.hover-bottom .triangle-right {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 71%);
}

/* Adjust top triangles for very wide screens */
@media (min-aspect-ratio: 16/9) {
  .triangle-left {
    clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
  }
  .triangle-right {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 70%);
  }
}

@media (min-aspect-ratio: 21/9) {
  .triangle-left {
    clip-path: polygon(0 0, 100% 0, 100% 65%, 0 100%);
  }
  .triangle-right {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 65%);
  }
}

/* Bottom Triangle - CONTACT */
.triangle-bottom {
  left: 0;
  top: 75%;
  width: 100%;
  height: 25%;
  clip-path: polygon(0 100%, 50% 0%, 100% 100%);
  background: var(--contact-gradient);
  z-index: 2;
  transition: top var(--hover-speed) ease-in-out, height var(--hover-speed) ease-in-out, clip-path var(--hover-speed) ease-in-out, filter 150ms ease, box-shadow 150ms ease;
  cursor: pointer;
}

.triangle-bottom:hover {
  filter: brightness(1.08) drop-shadow(0 8px 16px rgba(0, 0, 0, 0.2));
}

.triangle-bottom:active {
  filter: brightness(1.05) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

/* Adjust for very wide screens */
@media (min-aspect-ratio: 16/9) {
  .triangle-bottom {
    top: 70%;
    height: 30%;
  }
  .triangle-container.hover-bottom .triangle-bottom {
    top: 66%;
    height: 34%;
  }
  .triangle-container.hover-bottom .triangle-left {
    clip-path: polygon(0 0, 100% 0, 100% 66%, 0 100%);
  }
  .triangle-container.hover-bottom .triangle-right {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 66%);
  }
}

@media (min-aspect-ratio: 21/9) {
  .triangle-bottom {
    top: 65%;
    height: 35%;
  }
  .triangle-container.hover-bottom .triangle-bottom {
    top: 61%;
    height: 39%;
  }
  .triangle-container.hover-bottom .triangle-left {
    clip-path: polygon(0 0, 100% 0, 100% 61%, 0 100%);
  }
  .triangle-container.hover-bottom .triangle-right {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 61%);
  }
}

/* Hover effects */
.triangle:hover {
  z-index: 3;
}

/* When any triangle is hovered, prepare for card animations */
.triangle-container:has(.triangle:hover) .triangle:not(:hover) .triangle-card {
  transform: scale(0.85);
  opacity: 0.75;
}

/* Content Styling */
.triangle-content {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: white;
  text-align: center;
  transition: transform 0.3s ease;
  pointer-events: none;
  z-index: 2;
}

.triangle-left .triangle-content {
  padding-right: 0%;
  padding-left: 30%;
  padding-bottom: 0%;
  padding-top: 15%;
  transition: padding var(--hover-speed) ease-in-out;
}

.triangle-right .triangle-content {
  padding-right: 30%;
  padding-left: 0%;
  padding-bottom: 0%;
  padding-top: 15%;
  transition: padding var(--hover-speed) ease-in-out;
}

/* Keep cards from moving during hover expansion */
.triangle-container.hover-left .triangle-left .triangle-content {
  padding-left: 26%;
}
.triangle-container.hover-left .triangle-right .triangle-content {
  padding-right: 34%;
}
.triangle-container.hover-right .triangle-right .triangle-content {
  padding-right: 26%;
}
.triangle-container.hover-right .triangle-left .triangle-content {
  padding-left: 34%;
}

.triangle-bottom .triangle-content {
  padding-top: 8%;
  padding-bottom: 2%;
}

/* Enhanced hover effect for hovered triangle's card */
.triangle:hover .triangle-card {
  transform: scale(1.06);
  opacity: 1;
}

.triangle-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-radius: 14px;
  border: 1px solid var(--card-border-left);
  background: var(--card-bg-left);
  backdrop-filter: blur(6px);
  max-width: min(280px, 75vw);
  pointer-events: auto;
  color: var(--text-left);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.triangle-right .triangle-card {
  background: var(--card-bg-right);
  border-color: var(--card-border-right);
  color: var(--text-right);
}

.triangle-bottom .triangle-card {
  background: var(--card-bg-bottom);
  padding: 12px 16px;
  gap: 12px;
  max-width: min(340px, 85vw);
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.triangle-bottom .contact-icon-section {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.triangle-bottom .contact-text-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  text-align: left;
}

.triangle-bottom .triangle-icon {
  font-size: 42px;
}

.triangle-bottom .triangle-label {
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: 2px;
}

.triangle-bottom .triangle-desc {
  font-size: clamp(12px, 1.4vw, 14px);
  max-width: 100%;
}

/* Keep contact text white in both themes */
.triangle-bottom .triangle-label,
.triangle-bottom .triangle-desc,
body.theme-dark .triangle-bottom .triangle-label,
body.theme-dark .triangle-bottom .triangle-desc {
  color: #ffffff;
}

.triangle-icon {
  font-size: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.triangle-icon.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 48;
}

.triangle-label {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: 3px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  word-break: break-word;
}

.triangle-desc {
  font-size: clamp(13px, 1.6vw, 16px);
  font-family: 'Inter', sans-serif;
  opacity: 0.95;
  max-width: 260px;
  line-height: 1.6;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.triangle-right .triangle-desc {
  text-shadow: none;
  color: var(--text-right-muted);
}

.triangle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--right-btn-border);
  background: var(--right-btn-bg);
  color: var(--right-btn-text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.triangle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.25);
  background: #2563eb;
}

.triangle-btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.15);
}


.landing-controls {
  position: fixed;
  top: var(--corner-controls-top);
  left: var(--corner-controls-inset);
  right: var(--corner-controls-inset);
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-controls a {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #ffffff;
  color: #1f2937;
  width: var(--corner-control-size);
  height: var(--corner-control-size);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
  transition: all 200ms ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.landing-controls a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--contact-gradient);
  opacity: 0;
  transition: opacity 200ms ease;
  z-index: -1;
}

.landing-controls a:hover::before {
  opacity: 0.08;
}

.landing-controls a:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  border-color: #3b82f6;
}

body.theme-dark .landing-controls a {
  background: rgba(11, 29, 51, 0.92);
  border-color: rgba(230, 238, 249, 0.18);
  color: #ffffff;
}

.landing-controls a svg {
  width: 24px;
  height: 24px;
}

.landing-controls button {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #ffffff;
  color: #1f2937;
  width: var(--corner-control-size);
  height: var(--corner-control-size);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
  transition: all 200ms ease;
  position: relative;
  overflow: hidden;
}

.landing-controls button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--contact-gradient);
  opacity: 0;
  transition: opacity 200ms ease;
  z-index: -1;
}

.landing-controls button:hover::before {
  opacity: 0.08;
}

.landing-controls button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  border-color: #3b82f6;
}

body.theme-dark .landing-controls button {
  background: rgba(11, 29, 51, 0.92);
  border-color: rgba(230, 238, 249, 0.18);
  color: #ffffff;
}

.landing-controls #themeBtn.sun-icon {
  color: #f59e0b;
}

.landing-controls #themeBtn.moon-icon {
  color: #60a5fa;
}

body.theme-dark .landing-controls #themeBtn.sun-icon,
body.theme-dark .landing-controls #themeBtn.moon-icon {
  filter: saturate(1.05);
}

.landing-controls .material-symbols-outlined {
  font-size: 22px;
  line-height: 1;
}

/* Ancestrio Title */
.ancestrio-brand {
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0px, 0.2vw, 2px);
  transition: transform var(--hover-speed) ease-in-out, left var(--hover-speed) ease-in-out, top var(--hover-speed) ease-in-out, opacity var(--hover-speed) ease-in-out;
}

.ancestrio-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #1f2937;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  opacity: 1;
}

.ancestrio-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(12px, 1.8vw, 18px);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #1f2937;
  opacity: 0.85;
}

body.theme-dark .ancestrio-title {
  color: #e6eef9;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

body.theme-dark .ancestrio-subtitle {
  color: #e6eef9;
}

/* Title shifts based on hover */
.triangle-container.hover-left .ancestrio-brand {
  left: 46%;
  opacity: 0.5;
}

.triangle-container.hover-right .ancestrio-brand {
  left: 54%;
  opacity: 0.5;
}

.triangle-container.hover-bottom .ancestrio-brand {
  top: 12%;
  opacity: 0.5;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .ancestrio-title {
    font-size: clamp(32px, 10vw, 64px);
  }

  .ancestrio-subtitle {
    font-size: clamp(10px, 2.6vw, 14px);
  }

  .triangle-left .triangle-content,
  .triangle-right .triangle-content {
    padding-right: 8%;
    padding-left: 8%;
    padding-bottom: 18%;
  }

  .triangle-bottom .triangle-content {
    padding-top: 8%;
  }

  .triangle-card {
    padding: 16px 18px;
    max-width: min(280px, 86vw);
  }
}

@media (max-width: 480px) {
  .triangle-card {
    padding: 14px 16px;
  }

  .triangle-bottom .triangle-card {
    padding: 10px 14px;
    max-width: min(300px, 88vw);
    gap: 10px;
  }

  .triangle-bottom .triangle-icon {
    font-size: 38px;
  }

  .triangle-bottom .triangle-label {
    font-size: clamp(18px, 2.5vw, 24px);
  }

  .triangle-bottom .triangle-desc {
    font-size: clamp(11px, 1.3vw, 13px);
  }
}