:root {
  --bg: #F5F2ED;
  --bg-alt: #EDE8E0;
  --surface: #FFFFFF;
  --ink: #1A1D20;
  --ink-muted: #6B6F70;
  --accent: #3E4A36;
  --accent-soft: #6B7F5F;
  --line: rgba(26,29,32,.12);
  --serif: 'Cormorant Garamond', serif;
  --sans: 'Inter', system-ui, sans-serif;
  --nav-h: 78px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.8rem, 6vw, 5.6rem); }
h2 { font-size: clamp(2.2rem, 4.5vw, 4rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 2rem); }
em { font-style: italic; color: var(--accent); }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

/* NAVBAR */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  padding: 0 3.5vw;
  background: rgba(245,242,237,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.navbar.scrolled { border-bottom-color: var(--line); background: rgba(245,242,237,.95); }

.nav-inner {
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo .logo-img { height: 36px; }
.nav-links {
  list-style: none;
  display: flex;
  gap: 2.4rem;
  margin-left: auto;
}
.nav-links a {
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color .25s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: .7rem 1.4rem;
  border: 1px solid var(--ink);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background .25s, color .25s;
}
.nav-cta:hover { background: var(--ink); color: var(--bg); }

.menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}
.menu-btn span {
  display: block;
  width: 26px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}

@media (max-width: 900px) {
  .nav-cta { display: none; }
  .menu-btn { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0 -100% 0 auto;
    width: 80%;
    max-width: 360px;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 4rem 2.5rem;
    gap: 1.6rem;
    transition: right .4s ease;
    border-left: 1px solid var(--line);
  }
  .nav-links.active { inset: 0 0 0 auto; }
  .nav-links a { font-size: 1.3rem; font-family: var(--serif); letter-spacing: 0; }
  .menu-btn.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-btn.active span:nth-child(2) { opacity: 0; }
  .menu-btn.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* HERO */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 4vh) 5vw 6vh;
  display: flex;
  align-items: center;
  background: var(--bg);
  position: relative;
}
.hero-inner {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 1.8rem; }
.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 520px;
  margin-bottom: 2.8rem;
  line-height: 1.7;
}
.hero-emblem { display: flex; justify-content: center; }
.hero-emblem svg { width: min(440px, 90%); height: auto; }

/* Colibrí animado — fondo transparente, aleteo con pivote en hombro */
.colibri-stage {
  position: relative;
  width: min(560px, 95%);
  aspect-ratio: 650 / 400;
  perspective: 1200px;
  filter: drop-shadow(0 30px 25px rgba(26,29,32,.18))
          drop-shadow(0 6px 8px rgba(26,29,32,.12));
}
.colibri-float {
  position: absolute;
  inset: 0;
  animation: colibri-hover 3.8s ease-in-out infinite;
  transform-style: preserve-3d;
  will-change: transform;
}
.colibri-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}
.colibri-body-img {
  z-index: 2;
  animation: colibri-body-bob 260ms ease-in-out infinite alternate;
  transform-origin: 60% 50%;
  will-change: transform;
}

/* Pivote del ala en el hombro del colibrí (~58% x, 42% y en la imagen 650x400) */
.colibri-wing {
  transform-origin: 58% 42%;
  will-change: transform, opacity, filter;
  backface-visibility: hidden;
}
.colibri-wing.front { z-index: 3; animation: colibri-flap 66ms cubic-bezier(.5,0,.5,1) infinite; }
.colibri-wing.mid   { z-index: 1; animation: colibri-flap 66ms cubic-bezier(.5,0,.5,1) infinite -16ms; opacity: .75; }
.colibri-wing.back  { z-index: 0; animation: colibri-flap 66ms cubic-bezier(.5,0,.5,1) infinite -32ms; opacity: .45; filter: blur(2px); }
.colibri-wing.ghost { z-index: 0; animation: colibri-ghost 66ms linear infinite; opacity: .35; filter: blur(4px); }

/* Aleteo completo: upstroke + downstroke con figure-8 (rot + translate + scale) */
@keyframes colibri-flap {
  0%   { transform: rotate(-42deg) translate(-2%, -4%) scaleY(0.72) scaleX(0.94); }
  18%  { transform: rotate(-18deg) translate(-1%, -1%) scaleY(0.92) scaleX(0.98); }
  35%  { transform: rotate(8deg)   translate(0, 2%)    scaleY(1.06) scaleX(1.02); }
  50%  { transform: rotate(26deg)  translate(1%, 4%)   scaleY(1.12) scaleX(1.04); }
  65%  { transform: rotate(8deg)   translate(0, 2%)    scaleY(1.06) scaleX(1.02); }
  82%  { transform: rotate(-18deg) translate(-1%, -1%) scaleY(0.92) scaleX(0.98); }
  100% { transform: rotate(-42deg) translate(-2%, -4%) scaleY(0.72) scaleX(0.94); }
}
@keyframes colibri-ghost {
  0%,100% { transform: rotate(-30deg) scaleY(0.8); opacity: .28; }
  50%     { transform: rotate(20deg)  scaleY(1.1); opacity: .42; }
}
/* Cuerpo: bob vertical micro (~120 Hz estabilización visual) */
@keyframes colibri-body-bob {
  from { transform: translate(0.1%, -0.4%) rotate(-0.4deg); }
  to   { transform: translate(-0.1%, 0.4%) rotate(0.4deg); }
}
/* Deriva global del colibrí — simula el vuelo estacionario */
@keyframes colibri-hover {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(-1.5%, -1.2%) rotate(-0.8deg); }
  50%  { transform: translate(0.8%, 1%) rotate(0.5deg); }
  75%  { transform: translate(1.2%, -0.8%) rotate(-0.3deg); }
  100% { transform: translate(0, 0) rotate(0deg); }
}

@media (prefers-reduced-motion: reduce) {
  .colibri-wing, .colibri-body-img, .colibri-float { animation: none !important; }
  .colibri-wing.back, .colibri-wing.mid, .colibri-wing.ghost { display: none; }
}

.hero-scroll {
  position: absolute;
  left: 5vw;
  bottom: 3vh;
  font-size: .7rem;
  letter-spacing: .3em;
  color: var(--ink-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-scroll { display: none; }
  .hero-emblem svg { width: 70%; }
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  padding: 1.15rem 2.3rem;
  background: var(--ink);
  color: var(--bg);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: background .25s, transform .25s;
}
.btn-primary:hover { background: var(--accent); }
.btn-full { width: 100%; margin-top: 1rem; }

.btn-outline {
  display: inline-block;
  padding: 1.1rem 2.4rem;
  border: 1px solid var(--ink);
  font-size: .76rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: all .25s;
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }

.btn-text {
  display: inline-block;
  margin-top: 1.4rem;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  transition: color .25s, border-color .25s;
}
.btn-text:hover { color: var(--ink); border-color: var(--ink); }

/* WE BELIEVE */
.believe {
  padding: 18vh 5vw 14vh;
  text-align: center;
}
.believe-inner { max-width: 760px; margin: 0 auto; }
.believe h2 { margin-bottom: 2rem; }
.believe h2 em { font-style: italic; }
.believe p { color: var(--ink-muted); font-size: 1.05rem; line-height: 1.85; }

/* PROJECTS */
.projects {
  padding: 10vh 5vw 14vh;
  background: var(--bg-alt);
}
.projects-header {
  max-width: 880px;
  margin: 0 auto 5rem;
  text-align: center;
}
.projects-header h2 { margin-bottom: 1.5rem; }
.projects-header p { color: var(--ink-muted); font-size: 1.02rem; line-height: 1.8; }

.features {
  list-style: none;
  max-width: 1200px;
  margin: 0 auto 6rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  color: var(--accent);
}
.features li {
  text-align: center;
  padding: 1.5rem .5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .8rem;
}
.features svg { width: 44px; height: 44px; }
.features span {
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
}

@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); gap: 1rem; } }

.project-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 1024px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .project-grid { grid-template-columns: 1fr; } }

.project-card {
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s;
  border: 1px solid var(--line);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(26,29,32,.12);
}
.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(.2,.8,.2,1);
}
.project-card:hover .card-media img { transform: scale(1.06); }

.badge {
  position: absolute;
  top: 14px; left: 14px;
  padding: .35rem .85rem;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: 100px;
}
.badge-new { background: var(--accent); color: #fff; }
.badge-limited { background: #B65A3A; color: #fff; }

.share-btn {
  position: absolute;
  top: 12px; right: 12px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  border: none;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .25s;
}
.share-btn svg { width: 16px; height: 16px; }
.share-btn:hover { background: #fff; }

.card-body {
  padding: 1.6rem 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.card-country {
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.card-body h3 { font-size: 1.6rem; }
.card-body p { color: var(--ink-muted); font-size: .92rem; line-height: 1.6; }
.card-location {
  font-size: .8rem;
  color: var(--ink-muted);
  padding-top: .4rem;
  border-top: 1px solid var(--line);
  margin-top: .4rem;
}
.card-link {
  margin-top: .4rem;
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: gap .25s, color .25s;
}
.card-link:hover { gap: .8rem; color: var(--accent); }

.projects-cta { text-align: center; margin-top: 5rem; }

/* SLIDER */
.slider {
  position: relative;
  height: 85vh;
  overflow: hidden;
  background: #000;
}
.slider-track {
  display: flex;
  height: 100%;
  transition: transform .9s cubic-bezier(.7,0,.3,1);
}
.slide {
  min-width: 100%;
  height: 100%;
}
.slide img { width: 100%; height: 100%; object-fit: cover; }

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  width: 50px; height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  display: grid;
  place-items: center;
  transition: background .25s;
}
.slider-btn:hover { background: rgba(255,255,255,.3); }
.slider-prev { left: 3vw; }
.slider-next { right: 3vw; }

.slider-dots {
  position: absolute;
  bottom: 3vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .8rem;
  z-index: 5;
}
.slider-dots button {
  width: 36px; height: 2px;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: background .25s;
}
.slider-dots button.active { background: #fff; }

/* INFO BLOCKS */
.info-blocks { padding: 12vh 5vw; background: var(--bg); }
.info-block {
  max-width: 1300px;
  margin: 0 auto 10vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.info-block.reverse .info-media { order: 2; }
.info-block:last-child { margin-bottom: 0; }

.info-media { overflow: hidden; }
.info-media img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.info-copy h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1.4rem;
  font-family: var(--serif);
}
.info-copy p { color: var(--ink-muted); font-size: 1rem; line-height: 1.85; }

@media (max-width: 900px) {
  .info-block, .info-block.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .info-block.reverse .info-media { order: 0; }
}

/* CONTACT */
.contact {
  padding: 16vh 5vw;
  background: var(--bg-alt);
  text-align: center;
  position: relative;
}
.contact-inner { max-width: 640px; margin: 0 auto; }
.contact h2 { margin-bottom: 1.4rem; }
.contact-desc { color: var(--ink-muted); margin-bottom: 3rem; font-size: 1rem; line-height: 1.8; }
.contact-bird { width: 120px; height: auto; margin: 0 auto 3rem; display: block; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  text-align: left;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.contact-form span {
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--ink-muted);
  font-weight: 600;
}
.contact-form input,
.contact-form select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: .8rem 0;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  transition: border-color .25s;
}
.contact-form input:focus,
.contact-form select:focus { border-color: var(--accent); }

/* FOOTER */
.footer {
  padding: 8vh 5vw 3vh;
  background: var(--ink);
  color: #C6C7C3;
}
.footer-top {
  max-width: 1400px;
  margin: 0 auto 4vh;
  display: grid;
  grid-template-columns: 1.2fr 3fr;
  gap: 4rem;
  padding-bottom: 4vh;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand { max-width: 360px; }
.footer-logo { height: 42px; filter: invert(1) brightness(1.6); margin-bottom: 1.2rem; }
.footer-tagline { font-family: var(--serif); font-size: 1.4rem; color: #fff; margin-bottom: 1rem; }
.footer-desc { font-size: .9rem; line-height: 1.7; color: #A8ABA5; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer-col h5 {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1.2rem;
  font-weight: 600;
  font-family: var(--sans);
}
.footer-col a {
  display: block;
  font-size: .88rem;
  padding: .35rem 0;
  color: #A8ABA5;
  transition: color .25s;
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  font-size: .78rem;
  color: #7A7D78;
  letter-spacing: .04em;
}

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; gap: 3rem; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
}

/* WHATSAPP */
.wa-float {
  position: fixed;
  bottom: 24px; right: 24px;
  background: #25D366;
  color: #fff;
  padding: .85rem 1.2rem;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  box-shadow: 0 10px 30px rgba(37,211,102,.35);
  z-index: 80;
  transition: transform .25s, box-shadow .25s;
}
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(37,211,102,.45); }
.wa-float svg { width: 22px; height: 22px; }

@media (max-width: 500px) {
  .wa-float span { display: none; }
  .wa-float { padding: .9rem; border-radius: 50%; }
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s cubic-bezier(.2,.8,.2,1), transform 1s cubic-bezier(.2,.8,.2,1);
}
.reveal.active { opacity: 1; transform: translateY(0); }