/* ============================================================
   Andina Web Studio — about.css
   Estilo editorial oscuro (independiente del tema claro del sitio)
============================================================ */

body {
  background: #0a0a0a;
  color: #f5f5f5;
  font-family: 'DM Sans', sans-serif;
  cursor: auto;
}

/* ===== NAV ===== */
.ab-nav {
  position: sticky;
  top: 0;
  z-index: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 5%;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ab-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Hamburguesa + menú mobile */
.ab-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.ab-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.ab-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.ab-hamburger.open span:nth-child(2) { opacity: 0; }
.ab-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.ab-mobile-menu {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  z-index: 499;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.ab-mobile-menu.open { display: flex; }
.ab-mobile-menu a {
  font-size: 1.5rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}
.ab-mobile-menu a:hover { color: #A8C8E8; }

.ab-nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

@media (max-width: 900px) {
  .ab-nav-links { gap: 18px; }
  .ab-nav-links a { font-size: 0.72rem; }
}

.ab-nav-links a {
  color: rgba(245, 245, 245, 0.55);
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
}

.ab-nav-links a:hover {
  color: #fff;
}

.ab-nav-cta {
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  border-radius: 30px;
}

/* ===== HEADER ===== */
.ab-header {
  padding: 20px 5% 60px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ab-header h1 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin: 0;
  letter-spacing: -0.01em;
}

.ab-email {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: rgba(245, 245, 245, 0.6);
  text-decoration: none;
  transition: color 0.25s ease;
}

.ab-email:hover {
  color: #fff;
}

/* ===== GRID DE 5 COLUMNAS ===== */
.ab-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 0.8fr 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ab-col {
  padding: 26px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.ab-col:last-child {
  border-right: none;
}

.ab-col-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(245, 245, 245, 0.4);
  margin-bottom: 20px;
}

.ab-about-text {
  font-size: 0.92rem;
  line-height: 1.75;
  font-weight: 300;
  color: rgba(245, 245, 245, 0.85);
}

.ab-about-text a {
  color: #fff;
  text-decoration: none;
}

.ab-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ab-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
}

.ab-list li:first-child {
  border-top: none;
}

.ab-list li span:last-child,
.ab-list li a {
  color: rgba(245, 245, 245, 0.9);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.25s ease;
}

.ab-list li a:hover {
  color: #A8C8E8;
}

.ab-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: rgba(245, 245, 245, 0.35);
  min-width: 16px;
}

/* ===== MOSAICO ===== */
.ab-mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 220px;
}

.ab-tile {
  position: relative;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.ab-tile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(15%);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.ab-tile-img:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.ab-tile-text {
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: background 0.3s ease;
}

.ab-tile-text:hover {
  background: rgba(255, 255, 255, 0.04);
}

.ab-tile-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: rgba(245, 245, 245, 0.35);
}

.ab-tile-big {
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1;
  margin: 10px 0;
}

.ab-tile-label {
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(245, 245, 245, 0.85);
  line-height: 1.3;
}

.ab-tile-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 245, 0.35);
  margin-top: 10px;
}

.ab-tile-link {
  cursor: pointer;
}

/* ===== FOOTER MINIMALISTA ===== */
.ab-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 16px 5%;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ab-footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: rgba(245, 245, 245, 0.4);
}

.ab-footer-contact {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: rgba(245, 245, 245, 0.4);
  text-decoration: none;
  transition: color 0.25s ease;
}

a.ab-footer-contact:hover {
  color: #A8C8E8;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .ab-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ab-col-about {
    grid-column: 1 / -1;
  }

  .ab-mosaic {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 160px;
  }
}

@media (max-width: 640px) {
  .ab-nav-links {
    display: none;
  }

  .ab-hamburger {
    display: flex;
  }

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

  .ab-col {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .ab-mosaic {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 150px;
  }
}