/* DRYSUR — Landing Steel Frame (paleta clara) */

:root {
  --white: #ffffff;
  --paper: #f7f7f7;
  --paper-2: #efefef;
  --mist: #e4e4e4;
  --gray: #cfcfcf;
  --ink: #2c2c2c;
  --ink-soft: #5c5c5c;
  --slate: #7a7a7a;
  --charcoal: #3f3f3f;
  --orange: #d87742;
  --orange-deep: #bf5f2c;
  --display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --body: 'DM Sans', system-ui, sans-serif;
  --nav-h: 82px;
  --anchor-gap: 0.75rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 0.45s var(--ease);
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + var(--anchor-gap)); }

#sistema,
#proyectos,
#contacto {
  scroll-margin-top: calc(var(--nav-h) + var(--anchor-gap));
}

body.landing {
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.leyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  padding-left: 2rem;
  position: relative;
  margin-bottom: 0.7rem;
}
.leyebrow::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 1.5rem; height: 2px;
  background: var(--orange);
  transform: translateY(-50%) skewX(-28deg);
}

.lh2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 0.96;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.lsec__intro,
.lsec__sub {
  margin-top: 0.65rem;
  margin-bottom: 1.4rem;
  color: var(--ink-soft);
  max-width: 34rem;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
}
.lsec__sub--dark { color: var(--ink-soft); }

.lbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.85rem 1.4rem;
  border: 2px solid transparent;
  transition: transform var(--t), background var(--t), border-color var(--t), color var(--t);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  text-align: center;
  white-space: nowrap;
}
.lbtn--primary { background: var(--orange); color: var(--white); }
.lbtn--primary:hover { background: var(--orange-deep); transform: translateY(-2px); }
.lbtn--ink { color: var(--white); }
.lbtn--ghost {
  background: rgba(255,255,255,0.14);
  color: var(--white);
  border-color: rgba(255,255,255,0.65);
  backdrop-filter: blur(4px);
}
.lbtn--ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
}
.lbtn--outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--gray);
}
.lbtn--outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

/* Nav */
.lnav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  min-height: var(--nav-h);
  transition: background var(--t), box-shadow var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.lnav.is-scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 24px rgba(44,44,44,0.06);
  border-bottom-color: var(--mist);
}
.lnav__inner {
  max-width: 1180px;
  margin: 0 auto;
  min-height: var(--nav-h);
  padding: 0.7rem clamp(1rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.lnav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}
.lnav__logo { height: 40px; width: auto; transition: filter var(--t); flex-shrink: 0; }
.lnav:not(.is-scrolled) .lnav__logo { filter: brightness(0) invert(1); }
.lnav__tag {
  font-family: var(--display);
  font-size: clamp(0.95rem, 2.5vw, 1.05rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--orange);
  padding-left: 0.65rem;
  border-left: 2px solid var(--orange);
  line-height: 1;
  white-space: nowrap;
}
.lnav__menu {
  display: flex;
  align-items: center;
  gap: clamp(0.7rem, 2vw, 1.5rem);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.lnav__menu a {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.92);
  transition: color var(--t);
}
.lnav.is-scrolled .lnav__menu a { color: var(--ink); }
.lnav__menu a:hover { color: var(--orange); }
.lnav__cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  padding: 0.5rem 0.9rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.lnav__cta:hover { background: var(--orange-deep) !important; }

/* Hero */
.lhero {
  position: relative;
  min-height: min(100vh, 920px);
  min-height: min(100dvh, 920px);
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 1.5rem) clamp(1rem, 4vw, 3.5rem) clamp(2.5rem, 6vw, 4.2rem);
  color: var(--white);
  overflow: hidden;
}
.lhero__media { position: absolute; inset: 0; z-index: 0; background: #5a5a5a; }
.lhero__video,
.lhero__fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}
.lhero__video {
  z-index: 1;
  transform: scale(1.05);
  animation: lheroZoom 14s var(--ease) forwards;
}
.lhero__fallback { z-index: 0; }
@keyframes lheroZoom { to { transform: scale(1); } }
.lhero__veil {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(105deg, rgba(44,44,44,0.72) 0%, rgba(44,44,44,0.35) 48%, rgba(44,44,44,0.12) 100%),
    linear-gradient(0deg, rgba(44,44,44,0.55), transparent 55%);
}
.lhero__inner {
  position: relative;
  z-index: 3;
  max-width: 640px;
  animation: lfadeUp 0.9s var(--ease) both;
}
@keyframes lfadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
.lhero__brand {
  font-family: var(--display);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 0.9;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}
.lhero__system {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255,255,255,0.92);
  padding: 0.4rem 0.7rem;
  margin-bottom: 0.75rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}
.lhero__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.7rem, 4.4vw, 2.85rem);
  line-height: 0.96;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  overflow-wrap: anywhere;
}
.lhero__title span { color: var(--orange); }
.lhero__lead {
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  color: rgba(255,255,255,0.92);
  max-width: 32rem;
  margin-bottom: 1.35rem;
}
.lhero__actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

/* Sections */
.lsec { padding: clamp(3rem, 7vw, 5.5rem) clamp(1rem, 4vw, 2.5rem); }
.lsec--paper { background: var(--paper); }
.lsec--soft { background: var(--white); }
.lsec--route { background: linear-gradient(160deg, var(--paper-2), var(--paper) 60%, #ebe8e4); }
.lsec--contact { background: var(--white); border-top: 1px solid var(--mist); }
.lsec__inner { max-width: 1140px; margin: 0 auto; }

.lventajas {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.lventajas__copy .lbtn { margin-top: 1.4rem; }
.lventajas__media {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0.65rem;
  align-items: end;
  min-width: 0;
}
.lventajas__media .lgallery-trigger {
  width: 100%;
  height: clamp(200px, 26vw, 360px);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.lventajas__media .lgallery-trigger:last-child { height: clamp(160px, 20vw, 280px); }
.lventajas__media .lgallery-trigger.is-in { opacity: 1; transform: none; }
.lventajas__media .lgallery-trigger:nth-child(2) { transition-delay: 0.1s; }
.lventajas__media .lgallery-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ladv {
  margin-top: 1.5rem;
  border-top: 1px solid var(--mist);
}
.ladv li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--mist);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.ladv li.is-in { opacity: 1; transform: none; }
.ladv li:nth-child(2) { transition-delay: 0.07s; }
.ladv li:nth-child(3) { transition-delay: 0.14s; }
.ladv__n {
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--orange);
  line-height: 1;
  padding-top: 0.1rem;
}
.ladv h3 {
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.5vw, 1.45rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.ladv p { color: var(--ink-soft); font-size: 0.95rem; }

/* Bento proyectos — fondo claro */
.lbento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(140px, 16vw);
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.lbento__item {
  position: relative;
  overflow: hidden;
  grid-column: span 3;
  background: var(--paper-2);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.lbento__item.is-in { opacity: 1; transform: none; }
.lbento__item:nth-child(n + 2) { transition-delay: calc(0.04s * var(--i, 1)); }
.lbento__item--hero { grid-column: span 6; grid-row: span 2; }
.lbento__item--wide { grid-column: span 6; }
.lbento__item .lgallery-trigger { position: absolute; inset: 0; z-index: 1; }
.lbento__item .lgallery-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.75s var(--ease);
}
.lbento__item:hover .lgallery-trigger img { transform: scale(1.04); }
.lbento__item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 1.3rem 0.85rem 0.75rem;
  background: linear-gradient(transparent, rgba(44,44,44,0.72));
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  pointer-events: none;
}
.lbento__item figcaption span {
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.lbento__item figcaption em {
  font-style: normal;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.75);
}

/* Beneficios */
.lben-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  align-items: center;
}
.lben-grid__copy .lbtn { margin-top: 1.4rem; }
.lben {
  margin-top: 1.6rem;
  display: grid;
  gap: 1.25rem;
}
.lben__item {
  padding-top: 0.95rem;
  border-top: 3px solid var(--orange);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.lben__item.is-in { opacity: 1; transform: none; }
.lben__item:nth-child(2) { transition-delay: 0.08s; }
.lben h3 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.8vw, 1.6rem);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.lben p { color: var(--ink-soft); font-size: 0.95rem; }
.lben-grid__media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  min-width: 0;
}
.lben-grid__media .lgallery-trigger {
  width: 100%;
  height: clamp(220px, 28vw, 380px);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.lben-grid__media .lgallery-trigger.is-in { opacity: 1; transform: none; }
.lben-grid__media .lgallery-trigger:nth-child(2) { transition-delay: 0.08s; margin-top: 1.2rem; }
.lben-grid__media .lgallery-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Recorrido */
.lroute {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
}
.lroute li {
  background: var(--white);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--orange);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  overflow: hidden;
  min-width: 0;
}
.lroute li.is-in { opacity: 1; transform: none; }
.lroute li:nth-child(2) { transition-delay: 0.06s; }
.lroute li:nth-child(3) { transition-delay: 0.12s; }
.lroute li:nth-child(4) { transition-delay: 0.18s; }
.lroute__img { aspect-ratio: 4 / 3; overflow: hidden; }
.lroute__img .lgallery-trigger,
.lroute__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lroute__img img { transition: transform 0.7s var(--ease); }
.lroute li:hover .lroute__img img { transform: scale(1.04); }
.lroute span {
  display: block;
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--orange);
  margin: 0.75rem 0.85rem 0.2rem;
}
.lroute strong {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  padding: 0 0.85rem 0.95rem;
  overflow-wrap: anywhere;
}

/* Contacto */
.lcontact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  align-items: stretch;
  max-width: 640px;
}
.lcontact__list {
  margin: 1.4rem 0 1.5rem;
  display: grid;
  gap: 0.85rem;
}
.lcontact__list li {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--mist);
}
.lcontact__list strong {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}
.lcontact__list a,
.lcontact__list span {
  font-size: 1.05rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.lcontact__list a:hover { color: var(--orange); }
.lcontact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.lform {
  display: grid;
  gap: 0.85rem;
  margin: 1.25rem 0 1.5rem;
}
.lform__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.lform label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
}
.lform input,
.lform select,
.lform textarea {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(16, 16, 16, 0.18);
  background: #fff;
  color: var(--ink);
}
.lform textarea { resize: vertical; min-height: 5rem; }
.lbtn--block { width: 100%; justify-content: center; }
.lform__note {
  font-size: 0.74rem;
  color: rgba(16, 16, 16, 0.55);
  margin: 0;
}
@media (max-width: 640px) {
  .lform__row { grid-template-columns: 1fr; }
}

/* Footer */
.lfoot {
  background: var(--paper-2);
  color: var(--ink-soft);
  padding: 1.4rem clamp(1rem, 4vw, 2.5rem);
  border-top: 1px solid var(--mist);
}
.lfoot__inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.lfoot__logo { height: 24px; width: auto; opacity: 0.9; }
.lfoot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.lfoot__links a {
  color: var(--orange);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.lfoot__links a:hover { color: var(--ink); }

/* WhatsApp float */
.lwa {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  width: 3.35rem;
  height: 3.35rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
  transition: transform var(--t);
}
.lwa:hover { transform: translateY(-2px) scale(1.04); }
.lwa svg { width: 1.55rem; height: 1.55rem; fill: currentColor; }

/* Gallery triggers */
.lgallery-trigger {
  appearance: none;
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  display: block;
  cursor: zoom-in;
  overflow: hidden;
  color: inherit;
}
.lgallery-trigger:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

body.is-lightbox-open { overflow: hidden; }
.llightbox[hidden] { display: none !important; }
.llightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
}
.llightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(44, 44, 44, 0.88);
  cursor: zoom-out;
}
.llightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(96vw, 1100px);
  height: min(88vh, 820px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.35rem;
}
.llightbox__stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  min-width: 0;
}
.llightbox__img {
  max-width: 100%;
  max-height: calc(88vh - 4rem);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}
.llightbox__meta {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0.2rem 0;
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
}
.llightbox__caption {
  font-family: var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 1rem;
}
.llightbox__count { opacity: 0.7; white-space: nowrap; }
.llightbox__close,
.llightbox__nav {
  appearance: none;
  border: 0;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  cursor: pointer;
  transition: background var(--t);
}
.llightbox__close:hover,
.llightbox__nav:hover { background: var(--orange); }
.llightbox__close {
  position: absolute;
  top: -2.3rem;
  right: 0;
  width: 2.3rem;
  height: 2.3rem;
  font-size: 1.5rem;
  line-height: 1;
  z-index: 2;
}
.llightbox__nav {
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.7rem;
  line-height: 1;
  flex-shrink: 0;
}
.llightbox__nav[hidden] { display: none; }

@media (max-width: 960px) {
  .lventajas,
  .lben-grid,
  .lcontact { grid-template-columns: 1fr; }
  .lben-grid__media .lgallery-trigger:nth-child(2) { margin-top: 0; }
  .lbento {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: minmax(140px, 26vw);
  }
  .lbento__item { grid-column: span 3; }
  .lbento__item--hero,
  .lbento__item--wide { grid-column: span 6; }
  .lroute { grid-template-columns: 1fr 1fr; }
  .lnav__menu a:not(.lnav__cta) { display: none; }
}

@media (max-width: 700px) {
  .llightbox__dialog {
    grid-template-columns: 1fr;
    width: 100vw;
    height: min(92vh, 900px);
    padding: 0 0.7rem 1rem;
  }
  .llightbox__nav {
    position: absolute;
    bottom: 0.35rem;
    z-index: 2;
  }
  .llightbox__nav--prev { left: 0.7rem; }
  .llightbox__nav--next { right: 0.7rem; }
  .llightbox__meta {
    padding-bottom: 2.8rem;
    flex-direction: column;
    gap: 0.2rem;
  }
  .llightbox__close { top: 0.35rem; right: 0.7rem; }
}

@media (max-width: 560px) {
  .lhero {
    min-height: 88dvh;
    align-items: flex-end;
    padding-bottom: 2.2rem;
  }
  .lhero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .lbtn {
    width: 100%;
    white-space: normal;
  }
  .lroute { grid-template-columns: 1fr; }
  .lbento {
    grid-template-columns: 1fr;
    grid-auto-rows: 210px;
  }
  .lbento__item,
  .lbento__item--hero,
  .lbento__item--wide {
    grid-column: span 1;
    grid-row: span 1;
  }
  .lventajas__media { grid-template-columns: 1fr 1fr; }
  .lwa { right: 0.75rem; bottom: 0.75rem; }
}