/* Triunghi de aur — homepage (minimal) */
.gt-section {
  background: var(--white);
}

.gt-section__intro {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.gt-layout {
  display: grid;
  grid-template-columns: 1fr minmax(200px, 280px) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-top: 2.5rem;
}

.gt-visual {
  position: relative;
  padding: 2.25rem 1.5rem 2rem;
  background: linear-gradient(180deg, var(--yellow-light) 0%, var(--white) 100%);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(245, 196, 0, 0.08);
  animation: gtVisualFloat 5s ease-in-out infinite;
}

.gt-svg {
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 6px 20px rgba(212, 168, 0, 0.12));
}

.gt-svg__zone {
  opacity: 1;
  transition: opacity 0.7s var(--ease-out);
}

.gt-svg__zone--stab {
  fill: rgba(245, 196, 0, 0.06);
}

.gt-svg__zone--mob {
  fill: rgba(245, 196, 0, 0.04);
}

.gt-section.is-animated .gt-svg__zone--stab {
  opacity: 1;
  transition-delay: 0.15s;
}

.gt-section.is-animated .gt-svg__zone--mob {
  opacity: 1;
  transition-delay: 0.25s;
}

.gt-svg__fill {
  opacity: 1;
  transform-origin: 160px 140px;
  transform: scale(1);
  transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out);
}

.gt-section.is-animated .gt-svg__fill {
  opacity: 1;
  transform: scale(1);
}

.gt-svg__median {
  stroke: var(--gray-200);
  stroke-width: 0.75;
  stroke-dasharray: 120;
  stroke-dashoffset: 0;
  opacity: 0.7;
  transition: stroke-dashoffset 1s 0.4s var(--ease-out);
}

.gt-section.is-animated .gt-svg__median {
  stroke-dashoffset: 0;
}

.gt-svg__line {
  fill: none;
  stroke: var(--yellow-dark);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1.4s var(--ease-out);
}

.gt-section.is-animated .gt-svg__line {
  stroke-dashoffset: 0;
}

.gt-svg__spine {
  stroke: var(--yellow);
  stroke-width: 1.25;
  stroke-dasharray: 220;
  stroke-dashoffset: 0;
  opacity: 0.85;
  transition: stroke-dashoffset 1.1s 0.5s var(--ease-out);
}

.gt-section.is-animated .gt-svg__spine {
  stroke-dashoffset: 0;
}

.gt-svg__joint {
  fill: var(--white);
  stroke: var(--yellow-dark);
  stroke-width: 1.5;
  opacity: 1;
}

.gt-section.is-animated .gt-svg__joint {
  animation: gtJointIn 0.4s var(--ease-out) forwards;
}

.gt-svg__joints circle:nth-child(1) { animation-delay: 0.9s; }
.gt-svg__joints circle:nth-child(2) { animation-delay: 1s; }
.gt-svg__joints circle:nth-child(3) { animation-delay: 1.1s; }
.gt-svg__joints circle:nth-child(4) { animation-delay: 1.2s; }
.gt-svg__joints circle:nth-child(5) { animation-delay: 1.3s; }
.gt-svg__joints circle:nth-child(6) { animation-delay: 1.4s; }
.gt-svg__joints circle:nth-child(7) { animation-delay: 1.5s; }

.gt-svg__vertex {
  fill: var(--white);
  stroke-width: 2;
  opacity: 1;
  transition: opacity 0.45s var(--ease-out);
}

.gt-svg__vertex--force {
  stroke: var(--yellow-dark);
  transition-delay: 1.5s;
}

.gt-svg__vertex--stab {
  stroke: var(--black);
  transition-delay: 1.65s;
}

.gt-svg__vertex--mob {
  stroke: var(--gray-700);
  transition-delay: 1.8s;
}

.gt-section.is-animated .gt-svg__vertex {
  opacity: 1;
}

.gt-section.is-animated .gt-svg__vertex--force {
  animation: gtVertexPulse 3s ease-in-out 2s infinite;
}

.gt-corner {
  position: absolute;
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  opacity: 1;
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.gt-section.is-animated .gt-corner {
  opacity: 1;
}

.gt-corner--top {
  top: 0.85rem;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  color: var(--black);
  transition-delay: 1.6s;
}

.gt-section.is-animated .gt-corner--top {
  transform: translateX(-50%) translateY(0);
}

.gt-corner--top::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin: 0 auto 0.35rem;
  border-radius: 50%;
  background: var(--yellow);
  border: 1px solid var(--yellow-dark);
}

.gt-corner--left {
  bottom: 1.75rem;
  left: 0.5rem;
  transform: translateY(0);
  transition-delay: 1.75s;
}

.gt-section.is-animated .gt-corner--left {
  transform: translateY(0);
}

.gt-corner--right {
  bottom: 1.75rem;
  right: 0.5rem;
  transform: translateY(0);
  transition-delay: 1.9s;
}

.gt-section.is-animated .gt-corner--right {
  transform: translateY(0);
}

@keyframes gtVisualFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes gtJointIn {
  to {
    opacity: 1;
  }
}

@keyframes gtVertexPulse {
  0%,
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: drop-shadow(0 0 6px rgba(245, 196, 0, 0.45));
  }
}

.gt-panel {
  padding: 0;
}

.gt-panel__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.25rem;
  letter-spacing: 0.04em;
}

.gt-panel__desc {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin: 0 0 1.25rem;
  line-height: 1.4;
}

.gt-panel--stab .gt-panel__title { color: var(--black); }
.gt-panel--mob .gt-panel__title { color: var(--black); }
.gt-panel--force .gt-panel__title { color: var(--black); }

.gt-panel--center {
  max-width: 720px;
  margin: 2.5rem auto 0;
  text-align: center;
}

.gt-panel--center .gt-panel__desc {
  margin-bottom: 1rem;
}

.gt-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gt-list--inline {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.gt-item {
  position: relative;
}

.gt-item__btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border: none;
  border-bottom: 1px solid var(--gray-200);
  background: transparent;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-700);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.gt-list--inline .gt-item__btn {
  width: auto;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  font-size: 0.82rem;
}

.gt-item__btn::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
  opacity: 0.6;
  transition: opacity 0.2s, transform 0.2s;
}

.gt-list--inline .gt-item__btn::before {
  display: none;
}

.gt-item__btn:hover,
.gt-item__btn:focus-visible,
.gt-item.is-open .gt-item__btn {
  color: var(--black);
  border-color: var(--yellow);
}

.gt-item__btn:hover::before,
.gt-item.is-open .gt-item__btn::before {
  opacity: 1;
  transform: scale(1.2);
}

.gt-item__hover {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.35s var(--ease-out), opacity 0.3s, padding 0.35s;
  padding: 0 0 0 0.85rem;
}

.gt-list--inline .gt-item__hover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  width: min(260px, 80vw);
  max-height: none;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 5;
  pointer-events: none;
}

.gt-item__hover p {
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0 0 0.65rem;
}

.gt-item__hover .btn--sm {
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
}

.gt-item.is-open .gt-item__hover,
.gt-item:hover .gt-item__hover {
  max-height: 200px;
  opacity: 1;
  padding-bottom: 0.75rem;
}

.gt-list--inline .gt-item:hover .gt-item__hover,
.gt-list--inline .gt-item.is-open .gt-item__hover {
  max-height: none;
  opacity: 1;
  pointer-events: auto;
  padding: 0.85rem 1rem;
}

.gt-chain {
  list-style: none;
  margin: 3rem auto 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--gray-200);
  max-width: 820px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 2rem;
}

.gt-chain li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  text-align: center;
  min-width: 72px;
}

.gt-chain__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-200);
  margin-bottom: 0.35rem;
}

.gt-chain__dot--mob { background: var(--gray-500); }
.gt-chain__dot--stab { background: var(--black); }
.gt-chain__dot--dual { background: var(--yellow); border: 1px solid var(--black); }

.gt-chain strong {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--black);
}

.gt-chain em {
  font-size: 0.62rem;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
}

.gt-footer {
  text-align: center;
  margin-top: 2rem;
}

.gt-backdrop {
  display: none;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .gt-layout {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-inline: auto;
  }

  .gt-visual {
    order: -1;
  }

  .gt-panel--stab,
  .gt-panel--mob {
    padding-top: 0.5rem;
  }
}

@media (max-width: 768px) {
  .gt-list--inline .gt-item {
    width: 100%;
  }

  .gt-list--inline .gt-item__btn {
    width: 100%;
    border-radius: var(--radius);
    justify-content: center;
  }

  .gt-list--inline .gt-item__hover {
    position: static;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: none;
    border-top: 1px dashed var(--gray-200);
    border-radius: 0;
    margin-top: 0;
  }

  .gt-list--inline .gt-item.is-open .gt-item__hover {
    padding: 0.75rem 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gt-visual {
    animation: none;
  }

  .gt-svg__line,
  .gt-svg__spine,
  .gt-svg__median {
    stroke-dashoffset: 0;
  }

  .gt-svg__fill,
  .gt-svg__zone {
    opacity: 1;
    transform: none;
  }

  .gt-svg__joint,
  .gt-svg__vertex,
  .gt-corner {
    opacity: 1;
    transform: none;
    animation: none;
  }
}