/* NÍVEL ÉPICO, site principal
   Token system */
:root{
  --ink:        #05201F;
  --brand:      #014D4E;
  --brand-deep: #012F30;
  --brand-soft: #0C6567;
  --gold:       #ECCA97;
  --gold-deep:  #C89A5B;
  --gold-pale:  #F5E4C8;
  --paper:      #FBF9F5;
  --paper-dim:  #F1ECE1;
  --stone:      #5B584F;
  --stone-soft: #8B8779;
  --line:       rgba(5,32,31,0.10);
  --line-dark:  rgba(236,202,151,0.16);

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body:    'Manrope', -apple-system, 'Segoe UI', sans-serif;

  --container: 1220px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --ease: cubic-bezier(.16,.8,.24,1);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

/* Reset */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}
body,h1,h2,h3,h4,p,figure{ margin: 0; }
ul{ list-style: none; margin: 0; padding: 0; }
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea{ font: inherit; }

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

::selection{ background: var(--gold); color: var(--brand-deep); }

:focus-visible{
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
  border-radius: 2px;
}

.container{
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Progress rail, the brand indicator */
.rail{
  position: fixed;
  top: 0; left: 0;
  width: 3px; height: 100%;
  z-index: 60;
  background: rgba(5,32,31,0.06);
  pointer-events: none;
}
.rail__fill{
  width: 100%; height: 0%;
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  transform-origin: top;
  transition: height .08s linear;
}

/* Nav */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 1.15rem 0;
  transition: background .35s var(--ease-soft), padding .35s var(--ease-soft), box-shadow .35s var(--ease-soft);
}
.nav.is-scrolled{
  background: rgba(5,32,31,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  padding: .75rem 0;
  box-shadow: 0 8px 30px rgba(0,0,0,.18);
}
.nav__row{
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.nav__brand{ display: flex; align-items: center; gap: .6rem; }
.nav__brand img{ height: 34px; width: auto; }
.nav__brand span{
  font-family: var(--font-body); font-weight: 800; letter-spacing: .01em;
  font-size: 1.02rem; color: var(--paper);
}
.nav__links{ display: flex; align-items: center; gap: 2.1rem; }
.nav__links a{
  font-size: .86rem; color: rgba(251,249,245,.78); font-weight: 600;
  letter-spacing: .015em;
  position: relative; padding-block: .3rem;
}
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:0; width:100%; height:1px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__links a:hover::after{ transform: scaleX(1); }
.nav__links a:hover{ color: var(--paper); }
.nav__cta{
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--gold); color: var(--brand-deep);
  padding: .62rem 1.15rem; border-radius: 999px;
  font-size: .82rem; font-weight: 800; letter-spacing: .01em;
  transition: transform .3s var(--ease), background .3s var(--ease-soft);
}
.nav__cta:hover{ background: var(--gold-pale); transform: translateY(-2px); }
.nav__toggle{
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after{
  content:''; display:block; width: 20px; height: 2px; background: var(--paper);
  position: relative; transition: transform .3s var(--ease), opacity .2s;
}
.nav__toggle span::before{ position: absolute; top: -6px; }
.nav__toggle span::after{ position: absolute; top: 6px; }
.nav.is-open .nav__toggle span{ background: transparent; }
.nav.is-open .nav__toggle span::before{ transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__toggle span::after{ transform: translateY(-6px) rotate(-45deg); }

/* Hero */
.hero{
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center;
  background: var(--brand-deep);
  overflow: hidden;
  isolation: isolate;
}
.hero__slideshow{
  position: absolute; inset: 0;
  z-index: -2;
  overflow: hidden;
}
.hero__slide{
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.6s var(--ease-soft), transform 7s linear;
}
.hero__slide.is-active{
  opacity: .5;
  transform: scale(1);
}
.hero__scrim{
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 55% at 18% 30%, rgba(1,79,78,.35), transparent 60%),
    linear-gradient(190deg, rgba(1,47,48,.55) 0%, rgba(1,47,48,.88) 62%, rgba(1,47,48,.98) 100%);
  z-index: -1;
}
.hero__inner{
  width: 100%;
  padding-top: 6.5rem;
  padding-bottom: 4rem;
  display: grid;
  gap: 2.6rem;
}
.hero__eyebrow{
  display: inline-flex; align-items: center; gap: .6rem;
  color: var(--gold);
  font-size: .8rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase;
}
.hero__eyebrow .dot{ width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.js [data-anim="fade"]{ opacity: 0; transform: translateY(16px); }
.hero__mark{
  width: clamp(120px, 16vw, 190px);
  margin-bottom: .4rem;
}
.hero__mark img{ width: 100%; }
.hero h1{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6.4vw, 5.1rem);
  line-height: 1.03;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 15ch;
}
.hero h1 em{
  font-style: italic; color: var(--gold);
  font-weight: 500;
}
.hero__lede{
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.6;
  color: rgba(251,249,245,.72);
}
.hero__actions{ display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }
.btn{
  display: inline-flex; align-items: center; gap: .6rem;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  font-size: .92rem; font-weight: 800; letter-spacing: .01em;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s var(--ease-soft), color .3s var(--ease-soft);
}
.btn--gold{ background: var(--gold); color: var(--brand-deep); }
.btn--gold:hover{ transform: translateY(-3px); box-shadow: 0 18px 34px -12px rgba(236,202,151,.55); }
.btn--ghost{ color: var(--paper); border: 1px solid rgba(251,249,245,.3); }
.btn--ghost:hover{ border-color: var(--gold); color: var(--gold); }
.btn svg{ width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn--gold:hover svg{ transform: translateX(3px); }

.hero__dots{
  display: flex; align-items: center; gap: .6rem;
  margin-top: .6rem;
}
.hero__dot{
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(251,249,245,.3);
  border: none; padding: 0; cursor: pointer;
  transition: background .3s var(--ease-soft), transform .3s var(--ease);
}
.hero__dot:hover{ background: rgba(251,249,245,.55); }
.hero__dot.is-active{ background: var(--gold); transform: scale(1.2); }

.hero__scroll{
  position: absolute; bottom: 2.2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  color: rgba(251,249,245,.55);
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
}
.hero__scroll .line{
  width: 1px; height: 34px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollpulse 2.2s var(--ease-soft) infinite;
}
@keyframes scrollpulse{
  0%{ transform: scaleY(.4); opacity: .4; }
  50%{ transform: scaleY(1); opacity: 1; }
  100%{ transform: scaleY(.4); opacity: .4; }
}

/* Marquee, continuous line of services */
.marquee{
  background: var(--brand);
  border-block: 1px solid var(--line-dark);
  padding: 1.15rem 0;
  overflow: hidden;
}
.marquee__track{
  display: flex; width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee__track{ animation-play-state: paused; }
.marquee__group{ display: flex; align-items: center; flex-shrink: 0; }
.marquee__item{
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--gold-pale);
  white-space: nowrap;
  padding-inline: 1.6rem;
}
.marquee__sep{ color: var(--gold-deep); font-size: 1.1rem; opacity: .8; }
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* Section scaffolding */
section{ position: relative; }
.section{ padding-block: clamp(4.5rem, 9vw, 8rem); }
.section--tight{ padding-block: clamp(3rem, 6vw, 5rem); }
.eyebrow{
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.1rem;
}
.eyebrow::before{
  content:''; width: 22px; height: 1px; background: var(--gold-deep);
}
.section-head{ max-width: 50rem; }
.section-head h2{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--brand-deep);
}
.section-head p{
  margin-top: 1.1rem;
  font-size: 1.05rem; line-height: 1.65;
  color: var(--stone);
  max-width: 56ch;
}
.section--dark .section-head h2{ color: var(--paper); }
.section--dark .section-head p{ color: rgba(251,249,245,.68); }
.section--dark .eyebrow{ color: var(--gold); }
.section--dark .eyebrow::before{ background: var(--gold); }

/* reveal-on-scroll */
.js .reveal{ opacity: 0; transform: translateY(28px); }
.reveal{ transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.js .reveal-stagger > *{ opacity: 0; transform: translateY(24px); }
.reveal-stagger > *{ transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-stagger.is-visible > *{ opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1){ transition-delay: .03s; }
.reveal-stagger.is-visible > *:nth-child(2){ transition-delay: .1s; }
.reveal-stagger.is-visible > *:nth-child(3){ transition-delay: .17s; }
.reveal-stagger.is-visible > *:nth-child(4){ transition-delay: .24s; }
.reveal-stagger.is-visible > *:nth-child(5){ transition-delay: .31s; }
.reveal-stagger.is-visible > *:nth-child(6){ transition-delay: .38s; }
.reveal-stagger.is-visible > *:nth-child(n+7){ transition-delay: .42s; }

/* About / value section */
.about{ background: var(--paper); }
.about__grid{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
  margin-top: 3rem;
}
.about__statement{
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.42;
  color: var(--brand-deep);
  font-weight: 500;
}
.about__statement em{ font-style: italic; color: var(--gold-deep); }
.about__body{ margin-top: 1.6rem; color: var(--stone); font-size: 1.02rem; line-height: 1.75; max-width: 58ch; }
.about__panel{
  background: var(--brand);
  border-radius: 22px;
  padding: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.about__panel::before{
  content:'';
  position: absolute; inset: 0;
  background-image: url('../img/texture-b.jpg');
  background-size: cover; background-position: center;
  opacity: .14; mix-blend-mode: luminosity;
}
.about__panel > *{ position: relative; }
.about__panel h3{
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 600;
  color: var(--gold); margin-bottom: .9rem;
}
.about__panel p{ font-size: .96rem; line-height: 1.65; color: rgba(251,249,245,.78); }
.about__stats{
  margin-top: 1.8rem; padding-top: 1.6rem;
  border-top: 1px solid var(--line-dark);
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem;
}
.about__stat b{
  display: block; font-family: var(--font-display); font-size: 1.9rem; color: var(--gold);
}
.about__stat span{ font-size: .78rem; color: rgba(251,249,245,.62); letter-spacing: .02em; }

/* Services */
.services{ background: var(--paper-dim); }
.services__grid{
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.svc{
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--brand-deep);
  min-height: 300px;
  border: none;
  text-align: left;
  width: 100%;
  display: block;
}
button.svc{ cursor: pointer; }
.svc__img{
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.06);
  transition: transform .8s var(--ease), filter .5s var(--ease-soft);
  filter: saturate(.92) brightness(.86);
}
.svc:hover .svc__img{ transform: scale(1.14); filter: saturate(1) brightness(.72); }
.svc__img--none{ background: linear-gradient(150deg, var(--brand) 0%, var(--brand-deep) 100%); }
.svc__scrim{
  position: absolute; inset: 0;
  background: linear-gradient(190deg, rgba(1,47,48,0) 30%, rgba(1,47,48,.92) 100%);
}
.svc__num{
  position: absolute; top: 1.2rem; left: 1.3rem;
  font-family: var(--font-display); font-style: italic;
  font-size: .95rem; color: var(--gold-pale); opacity: .8;
}
.svc__content{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.4rem 1.4rem 1.6rem;
}
.svc__title{
  font-family: var(--font-display); font-weight: 600; font-size: 1.28rem;
  color: var(--paper); line-height: 1.15;
}
.svc__desc{
  margin-top: .6rem; font-size: .87rem; line-height: 1.5;
  color: rgba(251,249,245,.72);
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .45s var(--ease), opacity .35s var(--ease);
}
.svc:hover .svc__desc, .svc:focus-visible .svc__desc{ max-height: 6rem; opacity: 1; margin-top: .6rem; }
.svc__arrow{
  position: absolute; top: 1.2rem; right: 1.2rem;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(251,249,245,.12);
  border: 1px solid rgba(251,249,245,.25);
  display: flex; align-items: center; justify-content: center;
  transition: background .3s var(--ease-soft), transform .35s var(--ease), border-color .3s;
}
.svc__arrow svg{ width: 14px; height: 14px; transition: transform .35s var(--ease); }
.svc:hover .svc__arrow{ background: var(--gold); border-color: var(--gold); transform: rotate(45deg); }
.svc:hover .svc__arrow svg path{ stroke: var(--brand-deep); }

/* Portfolio gallery */
.portfolio{ background: var(--brand-deep); position: relative; overflow: hidden; }
.portfolio::before{
  content:''; position:absolute; inset:0;
  background-image: url('../img/portfolio-bg.jpg');
  background-size: cover; background-position: center;
  opacity: .1;
}
.portfolio > .container{ position: relative; }
.gallery{
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 175px;
  gap: .85rem;
}
.gallery__item{
  position: relative; overflow: hidden; border-radius: 14px;
  grid-column: span 2;
}
.gallery__item:nth-child(1){ grid-row: span 2; }
.gallery__item:nth-child(4){ grid-row: span 2; }
.gallery__item:nth-child(6),
.gallery__item:nth-child(7){ grid-column: span 1; }
.gallery__item img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease);
}
.gallery__item:hover img{ transform: scale(1.08); }
.gallery__cap{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: .9rem 1rem;
  background: linear-gradient(0deg, rgba(1,47,48,.85), transparent);
  color: var(--gold-pale); font-size: .78rem; font-weight: 700; letter-spacing: .02em;
  opacity: 0; transform: translateY(6px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.gallery__item:hover .gallery__cap{ opacity: 1; transform: translateY(0); }

/* Why us, pillars */
.pillars{ background: var(--paper); }
.pillars__grid{
  margin-top: 3rem;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
}
.pillar{ background: var(--paper); padding: 2.4rem 2.1rem; }
.pillar__mark{
  font-family: var(--font-display); font-style: italic; font-size: 1.6rem;
  color: var(--gold-deep); margin-bottom: 1.3rem; display: block;
}
.pillar h3{ font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; color: var(--brand-deep); }
.pillar p{ margin-top: .7rem; color: var(--stone); font-size: .95rem; line-height: 1.6; }

/* CTA band */
.cta{
  background: var(--brand-deep);
  padding-block: clamp(4rem, 8vw, 6.5rem);
  position: relative; overflow: hidden;
}
.cta::after{
  content:''; position: absolute; inset: -40% -10% auto auto; width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(236,202,151,.16), transparent 65%);
  pointer-events: none;
}
.cta__inner{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: start;
  gap: clamp(2.5rem, 5vw, 5rem);
}
.cta__copy{ padding-top: .6rem; }
.cta h2{
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem); color: var(--paper); max-width: 16ch; line-height: 1.12;
}
.cta h2 em{ color: var(--gold); font-style: italic; }
.cta__actions{ display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* Contact form */
.cta__form{
  position: relative;
  background: rgba(251,249,245,.04);
  border: 1px solid var(--line-dark);
  border-radius: 20px;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.form__row{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form__field{ margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: .5rem; }
.form__field label{
  font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--gold-pale);
}
.form__field input,
.form__field select,
.form__field textarea{
  background: rgba(251,249,245,.06);
  border: 1px solid rgba(251,249,245,.18);
  border-radius: 10px;
  padding: .8rem .95rem;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .25s var(--ease-soft), background .25s var(--ease-soft);
}
.form__field select{ appearance: none; }
.form__field select option{ color: var(--ink); }
.form__field textarea{ resize: vertical; min-height: 6.5rem; }
.form__field input::placeholder,
.form__field textarea::placeholder{ color: rgba(251,249,245,.4); }
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus{
  outline: none;
  border-color: var(--gold);
  background: rgba(251,249,245,.1);
}
.form__field input:invalid:not(:placeholder-shown){ border-color: #d98a8a; }
.form__foot{ display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; margin-top: .3rem; }
.form__foot .btn{ border: none; }
.form__foot .btn[disabled]{ opacity: .6; cursor: progress; transform: none !important; }
.form__status{ font-size: .88rem; color: rgba(251,249,245,.75); }
.form__status.is-ok{ color: var(--gold); }
.form__status.is-err{ color: #f3a6a6; }
.field--hp{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 900px){
  .cta__inner{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
}

/* Footer */
.footer{ background: var(--brand-deep); color: var(--paper); border-top: 1px solid var(--line-dark); }
.footer__top{
  padding-block: 3.4rem;
  display: grid; grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
}
.footer__brand img{ height: 40px; margin-bottom: .9rem; }
.footer__brand p{ color: rgba(251,249,245,.6); font-size: .92rem; line-height: 1.6; max-width: 32ch; }
.footer h4{
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-deep);
  margin-bottom: 1.1rem; font-weight: 800;
}
.footer__links li{ margin-bottom: .65rem; }
.footer__links a{ color: rgba(251,249,245,.75); font-size: .92rem; transition: color .25s; }
.footer__links a:hover{ color: var(--gold); }
.footer__social{ display: flex; gap: .7rem; margin-top: 1.4rem; }
.footer__social a{
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(251,249,245,.22);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .3s, background .3s;
}
.footer__social a:hover{ background: var(--gold); border-color: var(--gold); }
.footer__social a:hover svg path{ stroke: var(--brand-deep); }
.footer__social svg{ width: 16px; height: 16px; }
.footer__bottom{
  border-top: 1px solid var(--line-dark);
  padding-block: 1.4rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .8rem;
  font-size: .8rem; color: rgba(251,249,245,.5);
}
.footer__bottom a{ color: rgba(251,249,245,.7); font-weight: 700; transition: color .25s; }
.footer__bottom a:hover{ color: var(--gold); }

/* Lightbox */
.lightbox{
  position: fixed; inset: 0; z-index: 100;
  background: rgba(1,20,20,.94);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease);
}
.lightbox.is-open{ opacity: 1; pointer-events: auto; }
.lightbox img{ max-width: min(90vw, 1100px); max-height: 84vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox__close{
  position: absolute; top: 1.6rem; right: 1.8rem;
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(251,249,245,.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--paper);
}
.lightbox__close:hover{ background: var(--gold); border-color: var(--gold); color: var(--brand-deep); }
.lightbox__cap{ position: absolute; bottom: 2rem; left: 0; right: 0; text-align: center; color: var(--gold-pale); font-size: .9rem; }

/* Chatbot */
.chatbot{ position: fixed; right: clamp(1rem, 3vw, 1.8rem); bottom: clamp(1rem, 3vw, 1.8rem); z-index: 90; }
.chatbot__launcher{
  position: relative;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 34px -10px rgba(1,47,48,.45);
  transition: transform .3s var(--ease), background .3s var(--ease-soft);
}
.chatbot__launcher:hover{ transform: translateY(-3px); background: var(--gold-pale); }
.chatbot__launcher svg{ width: 26px; height: 26px; position: absolute; transition: opacity .2s, transform .2s; }
.chatbot__icon-close{ opacity: 0; transform: scale(.6); }
.chatbot.is-open .chatbot__icon-chat{ opacity: 0; transform: scale(.6); }
.chatbot.is-open .chatbot__icon-close{ opacity: 1; transform: scale(1); }

.chatbot__panel{
  position: absolute; right: 0; bottom: calc(100% + 1rem);
  width: min(370px, calc(100vw - 2.4rem));
  height: min(540px, calc(100vh - 8rem));
  background: var(--paper);
  border-radius: 20px;
  box-shadow: 0 30px 70px -20px rgba(1,32,31,.4);
  display: flex; flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  /* Closed by default: only the launcher icon is visible until toggled open. */
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(.97);
  transition: opacity .25s var(--ease-soft), transform .25s var(--ease-soft);
}
.chatbot__panel[hidden]{ display: none !important; }
.chatbot.is-open .chatbot__panel{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.chatbot__head{
  display: flex; align-items: center; gap: .8rem;
  padding: 1rem 1.2rem;
  background: var(--brand-deep); color: var(--paper);
  flex-shrink: 0;
}
.chatbot__head img{ height: 28px; }
.chatbot__head strong{ display: block; font-family: var(--font-display); font-size: .98rem; font-weight: 600; }
.chatbot__head span{ font-size: .74rem; color: rgba(251,249,245,.6); }

.chatbot__messages{
  flex: 1; overflow-y: auto;
  padding: 1.1rem;
  display: flex; flex-direction: column; gap: .7rem;
  background: var(--paper-dim);
}
.chatbot__msg{
  max-width: 82%;
  padding: .65rem .9rem;
  border-radius: 14px;
  font-size: .88rem; line-height: 1.5;
}
.chatbot__msg--bot{
  align-self: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  border-bottom-left-radius: 4px;
}
.chatbot__msg--user{
  align-self: flex-end;
  background: var(--brand);
  color: var(--paper);
  border-bottom-right-radius: 4px;
}
.chatbot__typing{ align-self: flex-start; display: flex; gap: .3rem; padding: .7rem .9rem; }
.chatbot__typing span{
  width: 6px; height: 6px; border-radius: 50%; background: var(--stone-soft);
  animation: chatbotTyping 1.1s infinite ease-in-out;
}
.chatbot__typing span:nth-child(2){ animation-delay: .15s; }
.chatbot__typing span:nth-child(3){ animation-delay: .3s; }
@keyframes chatbotTyping{
  0%, 60%, 100%{ opacity: .3; transform: translateY(0); }
  30%{ opacity: 1; transform: translateY(-3px); }
}

.chatbot__quick{
  display: flex; flex-wrap: wrap; gap: .5rem;
  padding: .8rem 1.1rem;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}
.chatbot__chip{
  padding: .4rem .8rem; border-radius: 999px;
  background: var(--paper-dim); border: 1px solid var(--line);
  font-size: .78rem; font-weight: 700; color: var(--brand-deep);
  transition: background .2s, border-color .2s;
}
.chatbot__chip:hover{ background: var(--gold-pale); border-color: var(--gold-deep); }

.chatbot__form{
  display: flex; gap: .6rem;
  padding: .9rem;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}
.chatbot__form input{
  flex: 1; border: 1px solid var(--line); border-radius: 999px;
  padding: .7rem 1rem; font-size: .88rem; background: var(--paper);
}
.chatbot__form input:focus{ outline: none; border-color: var(--gold-deep); }
.chatbot__form button{
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: var(--gold); color: var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.chatbot__form button:hover{ background: var(--gold-pale); }
.chatbot__form button svg{ width: 16px; height: 16px; }

@media (max-width: 480px){
  .chatbot__panel{
    position: fixed; inset: auto 0 0 0;
    width: 100%; height: min(74vh, 560px);
    border-radius: 20px 20px 0 0;
  }
  .chatbot{ right: 1rem; bottom: 1rem; }
}

/* Responsive */
@media (max-width: 980px){
  .nav__links{
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 340px);
    background: var(--brand-deep);
    flex-direction: column; align-items: flex-start;
    padding: 6.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    gap: 1.6rem;
  }
  .nav.is-open .nav__links{ transform: translateX(0); }
  .nav__links a{ font-size: 1.05rem; }
  .nav__cta{ margin-top: .5rem; }
  .nav__toggle{ display: flex; }

  .about__grid{ grid-template-columns: 1fr; }
  .services__grid{ grid-template-columns: repeat(2, 1fr); }
  .gallery{ grid-template-columns: repeat(2, 1fr); grid-auto-rows: 190px; }
  .gallery__item{ grid-column: span 1 !important; grid-row: span 1 !important; }
  .gallery__item:nth-child(1), .gallery__item:nth-child(4){ grid-row: span 2 !important; }
  .pillars__grid{ grid-template-columns: 1fr; }
  .footer__top{ grid-template-columns: 1fr 1fr; }
  .footer__brand{ grid-column: span 2; }
}

@media (max-width: 640px){
  .rail{ display: none; }
  .services__grid{ grid-template-columns: 1fr; }
  .svc{ min-height: 260px; }
  .gallery{ grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery__item{ grid-row: span 1 !important; }
  .about__stats{ grid-template-columns: 1fr 1fr; }
  .cta__inner{ flex-direction: column; align-items: flex-start; }
  .footer__top{ grid-template-columns: 1fr; }
  .footer__brand{ grid-column: span 1; }
  .hero__inner{ padding-top: 5.5rem; }
}