/* ================================
   SECCIÓN QUIÉNES SOMOS - BISONTT
================================ */

.qs-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  background: transparent;
  color: #111827;
  font-family: "Arial", sans-serif;
}

.qs-bg {
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 1;
}

.qs-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 48% 52%;
  min-height: 100vh;
}

/* ================================
   LADO IZQUIERDO
================================ */

.qs-left {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 35px 30px;
}

body:not(.dark) .qs-left::after {
  content: "";
  position: absolute;
  top: -8%;
  bottom: -8%;
  right: -12%;
  width: 46%;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(110% 150% at 0% 50%, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.18) 24%, rgba(255, 255, 255, 0.58) 46%, rgba(255, 255, 255, 0.88) 66%, rgba(255, 255, 255, 1) 82%, rgba(255, 255, 255, 1) 100%);
  filter: blur(16px);
  transition: opacity .35s ease, filter .35s ease, background .35s ease;
}

.qs-left::after {
  content: none;
}

.qs-left-bg {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  z-index: 1;
}

.qs-left-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% center;
  filter: grayscale(100%) contrast(1.15) brightness(0.72);
}

.qs-logo {
  position: relative;
  z-index: 5;
  width: 185px;
}

.qs-logo img {
  width: 100%;
  display: block;
}

.qs-shirts {
  position: absolute;
  left: 7%;
  top: 20%;
  width: 80%;
  height: 50%;
  z-index: 4;
}

.shirt {
  position: absolute;
  object-fit: contain;
  filter: drop-shadow(0 25px 28px rgba(0, 0, 0, 0.55));
}

.shirt-front {
  left: 0;
  bottom: 0;
  width: 55%;
  z-index: 3;
}

.shirt-back {
  right: 4%;
  bottom: 5%;
  width: 43%;
  z-index: 2;
}

.qs-curve {
  position: absolute;
  top: -10%;
  right: -140px;
  width: 270px;
  height: 120%;
  border-right: 3px solid #b7ff00;
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(183, 255, 0, 0.75);
  z-index: 5;
}

/* Galería inferior */

.qs-gallery {
  position: absolute;
  left: 0;
  bottom: 25px;
  width: 96%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  z-index: 6;
}

.qs-gallery-card {
  position: relative;
  padding: 0 14px 15px;
  text-align: center;
}

.qs-gallery-card img {
  width: 100%;
  height: 165px;
  object-fit: cover;
  border: 3px solid #ffffff;
  border-radius: 14px;
  transform: skewX(-6deg);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.55);
}

.qs-gallery-card h4 {
  margin: 15px 0 8px;
  font-size: 15px;
  text-transform: uppercase;
  font-weight: 900;
  color: #111827;
}

.qs-gallery-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: rgba(17, 24, 39, 0.78);
}

/* ================================
   LADO DERECHO
================================ */

.qs-right {
  position: relative;
  padding: 70px 70px 55px 55px;
  min-height: 100vh;
  z-index: 3;
}

.qs-right::before {
  content: "";
  position: absolute;
  top: -90%;
  bottom: -90%;
  left: -500px;
  width: 920px;
  border-radius: 999px;
  background: radial-gradient(ellipse at 54% 50%, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 16%, rgba(255, 255, 255, 0.54) 32%, rgba(255, 255, 255, 0.24) 46%, rgba(255, 255, 255, 0.08) 60%, rgba(255, 255, 255, 0.02) 72%, rgba(255, 255, 255, 0) 82%);
  filter: blur(22px);
  pointer-events: none;
  z-index: 0;
  transition: opacity .35s ease, filter .35s ease, background .35s ease;
}

.qs-title-box,
.qs-text,
.qs-values,
.qs-final {
  position: relative;
  z-index: 1;
}

.qs-title-box h2 {
  margin: 0;
  font-size: clamp(50px, 6.4vw, 105px);
  line-height: 0.88;
  font-weight: 1000;
  font-style: italic;
  letter-spacing: -3px;
  text-transform: uppercase;
  color: #0f172a;
  text-shadow: 0 8px 18px rgba(255, 255, 255, 0.28);
}

.qs-title-box h2 span {
  display: block;
  color: #b7ff00;
}

.qs-line {
  width: 145px;
  height: 5px;
  background: #b7ff00;
  margin: 35px 0 28px;
  box-shadow: 0 0 18px rgba(183, 255, 0, 0.85);
}

.qs-text {
  max-width: 720px;
}

.qs-text p {
  margin: 0;
  font-size: clamp(18px, 1.45vw, 26px);
  line-height: 1.45;
  font-weight: 500;
  color: rgba(15, 23, 42, 0.88);
}

.qs-text span {
  color: #b7ff00;
  font-weight: 900;
}

/* Tarjetas */

.qs-values {
  position: relative;
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  left: -82px;
  width: calc(100% - 82px);
}

.qs-value-card {
  min-height: 250px;
  border: 2px solid #b7ff00;
  border-radius: 10px;
  padding: 35px 18px 25px;
  text-align: center;
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    inset 0 0 18px rgba(183, 255, 0, 0.08),
    0 0 16px rgba(183, 255, 0, 0.18);
  transition: 0.35s ease;
}

.qs-value-card:hover {
  transform: translateY(-10px);
  background: rgba(242, 255, 213, 0.96);
  box-shadow: 0 0 30px rgba(183, 255, 0, 0.45);
}

.qs-icon {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 18px;
  filter: grayscale(1) brightness(0.45);
}

.qs-value-card h3 {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.15;
  text-transform: uppercase;
  font-weight: 1000;
  color: #0f172a;
}

.qs-value-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: rgba(15, 23, 42, 0.80);
}

/* Frase final */

.qs-final {
  margin-top: 65px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-left: 0;
  padding-right: 70px;
}

.qs-final h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 47px);
  line-height: 1;
  text-transform: uppercase;
  font-weight: 1000;
  font-style: italic;
  color: #0f172a;
}

.qs-final h3 span {
  display: block;
  color: #b7ff00;
}

.qs-final-icons {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 24px;
  flex: 1;
  max-width: 470px;
  margin-left: 0;
  padding-top: 2px;
  transform: none;
}

.qs-final-icons div {
  min-width: 0;
  flex: 1;
  text-align: center;
  border-left: 1px solid rgba(183, 255, 0, 0.3);
  padding-left: 28px;
}

.qs-final-icons strong {
  display: block;
  font-size: 44px;
  line-height: 1;
  margin-bottom: 10px;
  color: #0f172a;
}

.qs-final-icons p {
  margin: 10px 0 0;
  font-size: 15px;
  color: rgba(15, 23, 42, 0.80);
}

body.dark .qs-section {
  color: #ffffff;
}

body.dark .qs-gallery-card h4,
body.dark .qs-title-box h2,
body.dark .qs-value-card h3,
body.dark .qs-final h3,
body.dark .qs-final-icons strong {
  color: #ffffff;
}

body.dark .qs-gallery-card p,
body.dark .qs-text p,
body.dark .qs-value-card p,
body.dark .qs-final-icons p {
  color: rgba(255, 255, 255, 0.84);
}

body.dark .qs-title-box h2 {
  text-shadow: 0 8px 18px rgba(0, 0, 0, 0.55);
}

body.dark .qs-value-card {
  background: rgba(2, 6, 17, 0.55);
}

body.dark .qs-value-card:hover {
  background: rgba(183, 255, 0, 0.08);
}

body.dark .qs-icon {
  filter: grayscale(1) brightness(3);
}

body.dark .qs-left::after {
  content: "";
  position: absolute;
  top: -8%;
  bottom: -8%;
  right: -12%;
  width: 46%;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(110% 150% at 0% 50%, rgba(2, 6, 17, 0) 0%, rgba(2, 6, 17, 0.14) 24%, rgba(2, 6, 17, 0.42) 46%, rgba(2, 6, 17, 0.72) 66%, rgba(2, 6, 17, 0.92) 82%, rgba(2, 6, 17, 1) 100%);
  filter: blur(16px);
}

body.dark .qs-right::before {
  background: radial-gradient(ellipse at 54% 50%, rgba(2, 6, 17, 0.96) 0%, rgba(2, 6, 17, 0.88) 16%, rgba(2, 6, 17, 0.60) 32%, rgba(2, 6, 17, 0.32) 46%, rgba(2, 6, 17, 0.12) 60%, rgba(2, 6, 17, 0.03) 72%, rgba(2, 6, 17, 0) 82%);
  filter: blur(22px);
}

/* ================================
   ANIMACIONES
================================ */

.qs-title-box,
.qs-text,
.qs-values,
.qs-final,
.qs-logo,
.qs-shirts,
.qs-gallery {
  opacity: 0;
  transform: translateY(35px);
  transition: 0.8s ease;
}

.qs-section.qs-active .qs-title-box,
.qs-section.qs-active .qs-text,
.qs-section.qs-active .qs-values,
.qs-section.qs-active .qs-final,
.qs-section.qs-active .qs-logo,
.qs-section.qs-active .qs-shirts,
.qs-section.qs-active .qs-gallery {
  opacity: 1;
  transform: translateY(0);
}

.qs-section.qs-active .qs-text {
  transition-delay: 0.15s;
}

.qs-section.qs-active .qs-values {
  transition-delay: 0.3s;
}

.qs-section.qs-active .qs-final {
  transition-delay: 0.45s;
}

.qs-section.qs-active .qs-gallery {
  transition-delay: 0.35s;
}

/* ================================
   RESPONSIVE
================================ */

@media (max-width: 1200px) {
  .qs-right {
    padding: 60px 35px;
  }

  .qs-values {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-value-card {
    min-height: 210px;
  }

  .qs-final {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  .topbar {
    display: none;
    border-bottom: 0 !important;
    box-shadow: none !important;
  }

  .nav-menu,
  .nav-menu.is-open {
    left: auto !important;
    right: 12px !important;
    width: min(320px, calc(100vw - 24px)) !important;
    border-radius: 18px !important;
    border-bottom: 0 !important;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.10) !important;
  }

  .brand {
    position: relative;
    z-index: 10020;
  }

  .brand img {
    position: relative;
    z-index: 10021;
  }

  .nav {
    border-bottom: 0 !important;
    box-shadow: none !important;
  }

  .site-header {
    border-bottom: 0 !important;
    box-shadow: none !important;
  }

  .qs-container {
    grid-template-columns: 1fr;
  }

  .qs-left,
  .qs-right {
    min-height: auto;
  }

  .qs-left {
    height: 720px;
  }

  .qs-curve {
    display: none;
  }

  .qs-right {
    padding: 55px 25px 70px;
  }

  .qs-right::before {
    top: -90%;
    bottom: -90%;
    left: -180px;
    width: 700px;
    transform: none;
  }

  .qs-values {
    left: 0;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .qs-final {
    padding-right: 0;
    width: 100%;
    text-align: center;
    align-items: center;
  }

  .qs-final-icons {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
  }

  .qs-title-box h2 {
    font-size: clamp(48px, 14vw, 78px);
  }

  .qs-gallery {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .topbar {
    display: none;
    border-bottom: 0 !important;
    box-shadow: none !important;
  }

  .nav-menu,
  .nav-menu.is-open {
    left: auto !important;
    right: 10px !important;
    width: min(290px, calc(100vw - 20px)) !important;
    border-radius: 16px !important;
    border-bottom: 0 !important;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.10) !important;
  }

  .brand {
    position: relative;
    z-index: 10020;
  }

  .brand img {
    position: relative;
    z-index: 10021;
  }

  .site-header,
  .nav {
    border-bottom: 0 !important;
    box-shadow: none !important;
  }

  .qs-left {
    height: 650px;
    padding: 25px 18px;
  }

  .qs-right::before {
    top: -90%;
    bottom: -90%;
    left: -150px;
    width: 560px;
    transform: none;
  }

  .qs-logo {
    width: 145px;
  }

  .qs-shirts {
    top: 20%;
    left: 4%;
    width: 92%;
  }

  .shirt-front {
    width: 58%;
  }

  .shirt-back {
    width: 46%;
    right: 0;
  }

  .qs-gallery {
    bottom: 20px;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 15px;
  }

  .qs-gallery-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    grid-template-areas:
      "image title"
      "image description";
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 0;
    text-align: left;
    align-items: center;
    padding: 0;
  }

  .qs-gallery-card img {
    grid-area: image;
    height: 90px;
    transform: none;
  }

  .qs-gallery-card h4 {
    grid-area: title;
    align-self: end;
    margin: 0 0 4px;
    font-size: 12px;
  }

  .qs-gallery-card p {
    grid-area: description;
    align-self: start;
    font-size: 12px;
  }

  .qs-values {
    grid-template-columns: 1fr;
    margin-top: 45px;
    left: 0;
    width: 100%;
  }

  .qs-final-icons {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .qs-final h3 {
    width: 100%;
    text-align: center;
  }

  .qs-final-icons div {
    min-width: auto;
    padding-left: 10px;
  }

  .qs-final-icons strong {
    font-size: 34px;
  }
}

@media (max-width: 425px) {
  .qs-right {
    padding: 45px 18px 60px;
  }

  .qs-title-box h2 {
    letter-spacing: -1px;
  }

  .qs-text p {
    font-size: 17px;
  }

  .qs-value-card {
    min-height: auto;
    padding: 28px 18px;
  }

  .qs-final h3 {
    font-size: 30px;
  }
}