/* =============================================
   RESET & VARIABLES
============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-primary:  rgb(3, 96, 130);
  --c-dark:     #111111;
  --c-mid:      #5a5a5a;
  --c-light:    #f5f5f3;
  --c-white:    #ffffff;
  --c-border:   #e2e2de;
  --c-footer:   #0e0e0e;
  --font:       'Montserrat', sans-serif;
  --max:        1300px;
  --pad:        clamp(1.25rem, 5vw, 3.5rem);
  --hh:         76px;
  --ease:       0.3s ease;
}

html  { scroll-behavior: smooth; }
body  {
  font-family: var(--font);
  color: var(--c-dark);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img  { display: block; max-width: 100%; height: auto; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* =============================================
   LAYOUT HELPERS
============================================= */
.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section      { padding-block: clamp(4rem, 8vw, 7rem); }
.section-alt  { background: var(--c-light); }

.label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: .6rem;
  margin-left: 5px;
}

.h-xl {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -.01em;
  line-height: 1.1;
}

/* scroll reveal */
[data-r] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-r].in { opacity: 1; transform: none; }

/* =============================================
   HEADER
============================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--hh);
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--ease);
}
#site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.07); }

.hdr-inner {
  height: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-logo img { height: 36px; width: auto; }

.site-nav ul  { display: flex; gap: 2.5rem; }
.site-nav a {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-dark);
  transition: color var(--ease);
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--c-primary);
  transition: width var(--ease);
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { width: 100%; }
.site-nav a:hover,
.site-nav a[aria-current="page"]        { color: var(--c-primary); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-dark);
  transition: var(--ease);
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
#mob-nav {
  display: none;
  position: fixed;
  inset: var(--hh) 0 0 0;
  background: var(--c-white);
  z-index: 190;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
#mob-nav.open { display: flex; }
#mob-nav a {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* =============================================
   FOOTER
============================================= */
#site-footer { background: var(--c-footer); color: rgba(255,255,255,.7); }

.foot-top {
  max-width: var(--max);
  margin-inline: auto;
  padding: clamp(3rem,6vw,5rem) var(--pad);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
}
.foot-col h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 1.2rem;
}
.foot-col p, .foot-col a {
  font-size: .83rem;
  line-height: 1.9;
  color: rgba(255,255,255,.65);
}
.foot-col a:hover { color: var(--c-white); }

.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: .5rem var(--pad) 1.5rem;
  font-size: .7rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.3);
}

/* Back to top */
#btt {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 100;
  width: 42px; height: 42px;
  background: var(--c-dark);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all var(--ease);
}
#btt.vis { opacity: 1; pointer-events: auto; transform: translateY(0); }
#btt:hover { background: var(--c-primary); }

/* =============================================
   BUTTONS
============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .65rem 1.4rem;
  border: 1px solid;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.btn-dark  { color: var(--c-dark);  border-color: var(--c-dark);  }
.btn-dark:hover  { background: var(--c-dark);  color: var(--c-white); }
.btn-white { color: var(--c-white); border-color: rgba(0, 0, 0, 0.55); background: #0e0e0e; }
.btn-white:hover { background: rgba(255,255,255,.15); border-color: var(--c-white); }

/* =============================================
   HOME — HERO SLIDER
============================================= */
#hero {
    position: relative;
    width: 90%;
    height: calc(92svh - var(--hh));
    min-height: 500px;
    overflow: hidden;
    margin: auto;
}

.swiper, .hero-swiper { width: 100%; height: 100%; }

.swiper-slide         { position: relative; overflow: hidden; }
.swiper-slide img     { width: 100%; height: 100%; object-fit: cover; transition: transform 7s ease; }
.swiper-slide-active img { transform: scale(1.06); }

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 50%, transparent 100%);
  pointer-events: none;
}

.slide-info {
    position: absolute;
    bottom: 40vh;
    left: 20vw;
    z-index: 2;
    color: #fff;
}
.slide-info .s-title {
  font-size: clamp(2.2rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

/* Slide index */
.s-index {
  position: absolute;
  bottom: clamp(2rem,4.5vw,4rem);
  right: 0;
  z-index: 2;
  display: flex;
  flex-direction: row;
  gap: 1.4rem;
  background: #fff;
  padding: 18px 20px;
}
.si {
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  opacity: .4;
  transition: opacity var(--ease);
}
.si.on, .si:hover { opacity: 1; }
.si-num  { font-size: .9rem; font-weight: 700; letter-spacing: .14em; color: #333; }
.si-name { font-size: 1rem; font-weight: 700; color: #333; text-transform: uppercase; }

.s-arrows {
  position: absolute;
  bottom: clamp(2rem,5vw,4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: .8rem;
}
.arr {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.45);
  color: #fff;
  transition: background var(--ease);
}
.arr:hover { background: rgba(255,255,255,.18); }

/* HOME — about strip */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  padding-block: clamp(3.5rem,7vw,6rem);
}
.ab-block h5 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .7rem;
}
.ab-block p { font-size: .88rem; color: var(--c-mid); line-height: 1.8; }

/* HOME — portfolio grid (masonry 2-col) */
.port-grid        { columns: 2; column-gap: 1.5rem; }
.port-grid-item   { break-inside: avoid; margin-bottom: 1.5rem; overflow: hidden; }
.port-grid-item .pgi-img { overflow: hidden; }
.port-grid-item .pgi-img img { width: 100%; transition: transform .6s ease; }
.port-grid-item:hover .pgi-img img { transform: scale(1.04); }
.pgi-info         { padding: .9rem 0 0; }
h3      { font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.pgi-info span    { font-size: .72rem; color: var(--c-mid); }
.port-grid-item a { display: block; }

/* HOME — team */
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-top: 3rem; }

.team-member .tm-img {
  overflow: hidden;
  aspect-ratio: 3/4;
  margin-bottom: 1rem;
}
.team-member .tm-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter .5s ease, transform .5s ease;
}
.team-member:hover .tm-img img { filter: grayscale(0%); transform: scale(1.03); }
.team-member h3 { font-size: .88rem; font-weight: 700; }
.team-member p  { font-size: .75rem; color: var(--c-mid); margin-top: .2rem; }

/* HOME — map */
.map-wrap         { width: 100%; height: 460px; overflow: hidden; }
.map-wrap iframe  { width: 100%; height: 100%; border: 0; display: block; }

/* =============================================
   NOSOTROS
============================================= */
.nos-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  padding-block: clamp(4rem,8vw,7rem);
}
.nos-intro p { font-size: .92rem; color: var(--c-mid); line-height: 1.9; max-width: 38ch; }

.pillars { display: flex; flex-direction: column; gap: 2rem; }
.pillar  { border-top: 2px solid var(--c-primary); padding-top: 1.2rem; }
.pillar h2 { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: .7rem; }
.pillar p  { font-size: .85rem; color: var(--c-mid); line-height: 1.8; }

.team-full { display: grid; grid-template-columns: repeat(3,1fr); gap: 3rem; margin-top: 3rem; }
.team-full-member .tmf-img {
  overflow: hidden;
  aspect-ratio: 3/4;
  margin-bottom: 1.2rem;
}
.team-full-member .tmf-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter .4s ease, transform .5s ease;
}
.team-full-member:hover .tmf-img img { filter: grayscale(0%); transform: scale(1.03); }
.team-full-member h3   { font-size: .92rem; font-weight: 700; margin-bottom: .2rem; }
.team-full-member .role {
  font-size: .72rem; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: .8rem;
  display: block;
}
.team-full-member .bio { font-size: .82rem; color: var(--c-mid); line-height: 1.8; }

.clients-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 2rem;
  align-items: center;
  padding-block: 0 clamp(3rem,6vw,5rem);
}
.client-logo img {
  width: 100%; max-width: 120px;
  margin: auto;
  filter: grayscale(100%) opacity(.5);
  transition: filter var(--ease);
}
.client-logo:hover img { filter: grayscale(0%) opacity(1); }

/* =============================================
   PORTAFOLIO (listing)
============================================= */
.port-hero {
  height: 320px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
}
.port-hero img {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.port-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.55), transparent);
}
.port-hero-text {
  position: relative;
  z-index: 2;
  padding: 2.5rem var(--pad);
  color: #fff;
}
.port-hero-text .label { color: rgba(255,255,255,.7); }

.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; padding-block: 1.5rem 2.5rem; }
.fb {
  font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .45rem 1rem;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-mid);
  transition: all var(--ease);
}
.fb.on, .fb:hover { background: var(--c-dark); color: #fff; border-color: var(--c-dark); }

.port-masonry { columns: 3; column-gap: 1.2rem; }
.pm-item      { break-inside: avoid; margin-bottom: 1.2rem; display: block; }
.pm-inner     { position: relative; overflow: hidden; }
.pm-inner img { width: 100%; transition: transform .6s ease; }
.pm-item:hover .pm-inner img { transform: scale(1.05); }

.pm-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.42);
  opacity: 0;
  transition: opacity var(--ease);
  display: flex; align-items: center; justify-content: center;
}
.pm-item:hover .pm-overlay { opacity: 1; }
.pm-overlay span {
  color: #fff; font-size: .7rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.7);
  padding: .5rem 1.1rem;
}

.pm-label { padding: .7rem 0 0; font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.pm-sub   { font-size: .7rem; color: var(--c-mid); }

/* =============================================
   PORTFOLIO ITEM (detail)
============================================= */
.pi-hero {
  height: clamp(300px, 50vh, 520px);
  overflow: hidden;
  position: relative;
}
.pi-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}
.pi-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.5), transparent 55%);
}
.pi-hero-title {
  position: absolute;
  bottom: 2.5rem;
  left: var(--pad);
  z-index: 2;
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
}

.pi-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-block: clamp(2.5rem,5vw,4.5rem);
}
.pi-gallery-img           { overflow: hidden; cursor: pointer; }
.pi-gallery-img:first-child { grid-column: span 2; grid-row: span 2; }
.pi-gallery-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
  transition: transform .6s ease;
}
.pi-gallery-img:first-child img { aspect-ratio: auto; }
.pi-gallery-img:hover img { transform: scale(1.04); }

.pi-meta {
  display: flex;
  gap: 4rem;
  padding-bottom: clamp(2rem,5vw,4rem);
  border-bottom: 1px solid var(--c-border);
  flex-wrap: wrap;
}
.pi-meta-item label {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-primary);
  display: block; margin-bottom: .3rem;
}
.pi-meta-item span { font-size: .88rem; color: var(--c-mid); }

.pi-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 2rem;
}
.pi-nav a {
  font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-mid);
  display: flex; align-items: center; gap: .6rem;
  transition: color var(--ease);
}
.pi-nav a:hover { color: var(--c-dark); }

/* =============================================
   CONTACTO
============================================= */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  padding-block: clamp(4rem,8vw,7rem);
}
.contact-info p { font-size: .9rem; color: var(--c-mid); line-height: 1.9; margin-bottom: 2rem; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1rem;
}
.contact-detail svg  { flex-shrink: 0; color: var(--c-primary); }
.contact-detail a,
.contact-detail span { font-size: .88rem; color: var(--c-mid); }
.contact-detail a:hover { color: var(--c-dark); }

.form-field { margin-bottom: 1.5rem; }
.form-field label {
  display: block;
  font-size: .68rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: .5rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--c-border);
  padding: .8rem 1rem;
  font-family: var(--font);
  font-size: .88rem;
  color: var(--c-dark);
  background: #fff;
  transition: border-color var(--ease);
  outline: none;
}
.form-field input:focus,
.form-field textarea:focus { border-color: var(--c-primary); }
.form-field textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.btn-submit {
  width: 100%; padding: 1rem;
  background: var(--c-dark); color: #fff;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid transparent;
  transition: background var(--ease);
}
.btn-submit:hover { background: var(--c-primary); }

.form-msg {
  display: none;
  margin-top: 1rem;
  padding: .8rem 1rem;
  font-size: .82rem;
  border: 1px solid;
}
.form-msg.ok  { border-color: #4caf50; color: #2e7d32; background: #f1f8e9; }
.form-msg.err { border-color: #f44336; color: #c62828; background: #fce4ec; }

/* =============================================
   LIGHTBOX
============================================= */
#lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
}
#lightbox.open { display: flex; }
#lightbox img  { max-width: 90vw; max-height: 90vh; object-fit: contain; }

#lb-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  color: #fff; font-size: 2rem; line-height: 1;
  cursor: pointer;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
}
#lb-prev, #lb-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  color: #fff;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  background: rgba(255,255,255,.1);
  transition: background var(--ease);
}
#lb-prev:hover, #lb-next:hover { background: rgba(255,255,255,.25); }
#lb-prev { left:  1.5rem; }
#lb-next { right: 1.5rem; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1024px) {
  .about-strip   { grid-template-columns: 1fr 1fr; }
  .nos-hero      { grid-template-columns: 1fr; gap: 3rem; }
  .clients-grid  { grid-template-columns: repeat(4, 1fr); }
  .port-masonry  { columns: 2; }
  .pi-gallery    { grid-template-columns: 1fr 1fr; }
  .pi-gallery-img:first-child { grid-column: 1; grid-row: 1; }
  .contact-wrap  { gap: 3rem; }
  .s-index       { display: none; }
  .team-full     { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --hh: 60px; }

  .site-nav  { display: none; }
  .burger    { display: flex; }

  .about-strip   { grid-template-columns: 1fr; gap: 2rem; }
  .port-grid     { columns: 1; }
  .port-masonry  { columns: 1; }
  .team-grid     { grid-template-columns: 1fr; }
  .team-full     { grid-template-columns: 1fr; }
  .clients-grid  { grid-template-columns: repeat(3, 1fr); }
  .foot-top      { grid-template-columns: 1fr; gap: 2.5rem; }
  .pi-gallery    { grid-template-columns: 1fr; }
  .contact-wrap  { grid-template-columns: 1fr; }
  .form-row      { grid-template-columns: 1fr; }
  .s-arrows      { display: none; }
  .pi-meta       { gap: 2rem; }
  .pi-nav        { flex-direction: column; gap: 1rem; align-items: flex-start; }
}