:root {
  --soft: #f6f7f9;
  --card: #ffffff;
  --border: rgba(0,0,0,.08);
  --shadow: 0 10px 30px rgba(0,0,0,.06);
}

html, body {
  height: 100%;
}

body {
  color: #111;
  background: #fff;
}

.section-pad {
  padding: 72px 0;
}

.section-soft {
  background: var(--soft);
}

.navbar .nav-link {
  color: rgba(0,0,0,.75);
}

.navbar .nav-link.active {
  color: #000;
  font-weight: 600;
}

.photo-card {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}

.photo-card img {
  display: block;
}

.photo-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  color: rgba(0,0,0,.65);
}

.photo-card.photo-empty .photo-fallback {
  display: grid;
}

.photo-card:not(.photo-empty) .photo-fallback {
  display: none;
}

.interest-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  height: 100%;
  box-shadow: var(--shadow);
}

.icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: #fff;
}

.icon-wrap i {
  font-size: 22px;
  color: #000;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow);
}

.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumb-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  color: rgba(0,0,0,.6);
  text-align: center;
  background: #fff;
}

.project-thumb.thumb-empty .thumb-fallback {
  display: grid;
}

.project-thumb:not(.thumb-empty) .thumb-fallback {
  display: none;
}

.tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: rgba(0,0,0,.75);
}

.contact-card {
  max-width: 920px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}


.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}


@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


.project-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.project-card {
  cursor: pointer;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
}

.carousel-item .row {
  align-items: stretch;
}

/* ── Stack tecnológico ───────────────────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 28px 16px;
  justify-items: center;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stack-item i {
  font-size: 42px;
  transition: transform 0.2s ease;
  line-height: 1;
}

.stack-item:hover i {
  transform: scale(1.18);
}

.stack-item span {
  font-size: 11px;
  font-weight: 500;
  color: rgba(0,0,0,.6);
  text-align: center;
}

/* ── Dark mode ───────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --soft: #1c1d21;
  --card: #25262b;
  --border: rgba(255,255,255,.09);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

[data-theme="dark"] body {
  color: #e2e2e5;
  background: #141416;
}

[data-theme="dark"] #mainNav {
  background: #1c1d21 !important;
  border-color: rgba(255,255,255,.08) !important;
}

[data-theme="dark"] .navbar-brand,
[data-theme="dark"] .nav-link {
  color: rgba(255,255,255,.85) !important;
}

[data-theme="dark"] .nav-link.active {
  color: #fff !important;
}

[data-theme="dark"] .navbar-toggler {
  border-color: rgba(255,255,255,.25);
}

[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2c255%2c255%2c0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .text-muted {
  color: rgba(255,255,255,.5) !important;
}

[data-theme="dark"] .icon-wrap {
  background: #1c1d21;
}

[data-theme="dark"] .icon-wrap i {
  color: #e2e2e5;
}

[data-theme="dark"] .tag {
  background: #1c1d21;
  color: rgba(255,255,255,.75);
}

[data-theme="dark"] .thumb-fallback {
  background: #25262b;
  color: rgba(255,255,255,.5);
}

[data-theme="dark"] .project-thumb {
  background: #25262b;
}

[data-theme="dark"] .photo-fallback {
  color: rgba(255,255,255,.5);
}

[data-theme="dark"] .stack-item span {
  color: rgba(255,255,255,.55);
}

[data-theme="dark"] .btn-dark {
  background: #e2e2e5;
  border-color: #e2e2e5;
  color: #141416;
}

[data-theme="dark"] .btn-dark:hover {
  background: #fff;
  border-color: #fff;
  color: #141416;
}

[data-theme="dark"] .btn-outline-dark {
  border-color: rgba(255,255,255,.4);
  color: #e2e2e5;
}

[data-theme="dark"] .btn-outline-dark:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  color: #fff;
}

[data-theme="dark"] .badge.text-bg-light {
  background: #25262b !important;
  color: #e2e2e5 !important;
  border-color: rgba(255,255,255,.1) !important;
}