/* ============================
   DESIGN TOKENS
   ============================ */
:root {
  --teal-dark:   #005b67;
  --teal:        #00A199;
  --teal-light:  #00A199;
  --cream:       #f4f0e8;
  --cream-dark:  #ede8dc;
  --dark:        #131619;
  --mid:         #4a5568;
  --white:       #ffffff;
  --section-light: #e6eff0;
  --peach:       #F0D8C2;
  --pink:        #C81C5D;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }

a { text-decoration: none; color: inherit; }

/* ============================
   UTILITIES
   ============================ */
.container {
  width: min(1200px, 100% - 4rem);
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}
.eyebrow--light { color: rgba(255,255,255,.6); }

.section-header {
  max-width: 680px;
  margin-bottom: 4rem;
}
.section-header h2 { margin-bottom: 1.25rem; }
.section-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--mid);
  max-width: 520px;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--dark);
}
h2 em { font-style: italic; color: var(--teal); }

h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-block;
  padding: .875rem 2.25rem;
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.btn:active { transform: translateY(0); }

.btn--teal {
  background: var(--teal);
  color: var(--white);
}
.btn--teal:hover { box-shadow: 0 8px 24px rgba(0,161,153,.35); }

.btn--hero {
  background: #c8336a;
  color: var(--white);
  border-radius: 999px;
  font-size: .85rem;
}
.btn--hero:hover { box-shadow: 0 8px 28px rgba(200,51,106,.4); }

.btn--outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  color: var(--white);
}
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

.btn--circle {
  display: inline-block;
  padding: .7rem 1.75rem;
  border-radius: 999px;
  background: var(--teal-dark);
  color: var(--white);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 1.75rem;
  border: none;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.btn--circle:hover { background: var(--teal); transform: translateY(-2px); }

.btn--pink {
  background: var(--pink);
  color: var(--white);
  border-radius: 999px;
  font-size: .85rem;
}
.btn--pink:hover { box-shadow: 0 8px 24px rgba(200,28,93,.35); }

.btn--subtle {
  background: transparent;
  border: 1px solid rgba(0,91,103,.3);
  color: var(--teal-dark);
  font-size: .78rem;
  border-radius: 2px;
  margin-top: 1.5rem;
}
.btn--subtle:hover { border-color: var(--teal-dark); background: rgba(0,91,103,.06); }

/* ============================
   SCROLL REVEAL
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 80ms);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================
   NAV
   ============================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  transition: background .4s var(--ease-in-out), box-shadow .4s var(--ease-in-out);
  background: var(--teal-dark);
}
.nav.scrolled {
  background: var(--teal-dark);
  box-shadow: 0 2px 24px rgba(0,0,0,.25);
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav__logo img {
  height: 52px;
  width: auto;
}

.nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  font-size: .78rem;
  font-weight: 400;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  transition: color .2s;
}
.nav__links a:hover { color: var(--white); }

.nav__cta {
  padding: .6rem 1.5rem;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 2px;
  color: var(--white) !important;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background .2s, border-color .2s !important;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav__cta:hover {
  background: rgba(255,255,255,.1) !important;
  border-color: var(--white) !important;
  transform: none;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: transform .3s, opacity .3s;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile dropdown menu */
.nav__mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 199;
  background: var(--teal-dark);
  display: flex;
  flex-direction: column;
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s var(--ease-in-out), padding .35s;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.nav__mobile-menu.open {
  max-height: 320px;
  padding: 1rem 1.5rem 1.25rem;
}
.nav__mobile-menu a {
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  padding: .75rem 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: color .2s;
}
.nav__mobile-menu a:last-child { border-bottom: none; }
.nav__mobile-menu a:hover { color: var(--white); }

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--teal-dark);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(13,161,153,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(0,91,103,.6) 0%, transparent 55%);
}

.hero::before {
  content: 'A';
  position: absolute;
  right: -2rem;
  bottom: -4rem;
  font-family: var(--font-serif);
  font-size: clamp(18rem, 30vw, 36rem);
  font-weight: 600;
  color: rgba(255,255,255,.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: calc(var(--nav-h) + 4rem) 2.5rem 6rem;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 2rem;
}

.hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.7;
  color: rgba(255,255,255,.7);
  margin-bottom: 3rem;
  max-width: 480px;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.4));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================
   SENSACIONES
   ============================ */
.sensaciones {
  padding: 8rem 0 0;
  background: var(--white);
  overflow: hidden;
}

.sensaciones__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--teal-dark);
  margin-bottom: 1.5rem;
}

.sensaciones__pilares {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--teal-dark);
  margin: .75rem 0;
  letter-spacing: .01em;
}

.section-header .section-desc + .section-desc { margin-top: .75rem; }

/* Carousel */
.sensaciones__carousel-wrap {
  overflow: hidden;
  margin-top: 4rem;
  padding-bottom: 4rem;
}

.sensaciones__track {
  display: flex;
  transition: transform .7s var(--ease-out);
  will-change: transform;
}

.sensacion {
  flex: 0 0 25%;
  padding: 0 .9rem;
  box-sizing: border-box;
}

.sensacion__img {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.sensacion__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sensacion h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: .5rem;
}

.sensacion p {
  font-size: .88rem;
  line-height: 1.65;
  color: var(--mid);
}

/* ============================
   PROCESO
   ============================ */
.proceso {
  background: var(--teal-dark);
  color: var(--white);
  padding: 8rem 0;
}

.proceso__header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}
.proceso__header .eyebrow { margin-bottom: 1.25rem; }
.proceso__header h2 {
  color: var(--white);
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 2rem;
}
.proceso__header h2 em { color: var(--teal); }

.proceso__desc {
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(255,255,255,.65);
  margin: 0 auto .75rem;
  max-width: 560px;
}
.proceso__desc strong { color: rgba(255,255,255,.9); }

/* Steps with vertical connector */
.proceso__steps {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
  padding-left: 3rem;
}
.proceso__steps::before {
  content: '';
  position: absolute;
  left: .85rem;
  top: .9rem;
  bottom: .9rem;
  width: 1px;
  background: rgba(255,255,255,.2);
}

.etapa {
  display: flex;
  gap: 1.75rem;
  position: relative;
  padding-bottom: 2.25rem;
}
.etapa:last-child { padding-bottom: 0; }

.etapa__num {
  position: absolute;
  left: -3rem;
  top: 0;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  z-index: 1;
  flex-shrink: 0;
}

.etapa__body h3 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: .5rem;
}
.etapa__body p {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
}

/* Bottom of proceso section */
.proceso__bottom {
  text-align: center;
  margin-top: 4.5rem;
  padding-top: 4rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.proceso__mantra {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 2.5rem;
}
.proceso__mantra em {
  font-style: italic;
  color: var(--teal);
}

/* ============================
   PORTAFOLIO (sección 4 unificada)
   ============================ */
.portafolio {
  padding: 8rem 0;
  background: var(--section-light);
}
.portafolio .section-header h2 { color: var(--dark); }

.portafolio__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto;
  gap: 1.25rem;
}

.proyecto {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
}

.proyecto__img {
  width: 100%;
  height: 100%;
  transition: transform .6s var(--ease-out);
  display: block;
}
.proyecto:hover .proyecto__img { transform: scale(1.04); }

.proyecto--large {
  grid-column: span 7;
  aspect-ratio: 4/3;
}
.portafolio__grid .proyecto:nth-child(2) {
  grid-column: span 5;
  aspect-ratio: unset;
}
.portafolio__grid .proyecto:nth-child(3),
.portafolio__grid .proyecto:nth-child(4),
.portafolio__grid .proyecto:nth-child(5) {
  grid-column: span 4;
  aspect-ratio: 3/2;
}

/* Persistent label (name + city) */
.proyecto__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(to top, rgba(0,45,53,.8) 0%, transparent 100%);
  z-index: 1;
  transition: opacity .3s;
}
.proyecto:hover .proyecto__info { opacity: 0; }
.proyecto.active .proyecto__info { opacity: 0; }

.proyecto__info h3 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: .1rem;
}
.proyecto__lugar {
  font-size: .73rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
}

/* Testimonial overlay */
.proyecto__overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.95);
  opacity: 0;
  transition: opacity .45s var(--ease-out);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 2.5rem;
  gap: .9rem;
  z-index: 2;
}
.proyecto:hover .proyecto__overlay,
.proyecto.active .proyecto__overlay { opacity: 1; }

.proyecto__overlay-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--teal-dark);
  letter-spacing: .01em;
}
.proyecto__overlay-quote {
  font-family: var(--font-serif);
  font-size: clamp(.9rem, 1.2vw, 1.05rem);
  font-style: italic;
  line-height: 1.65;
  color: var(--dark);
}
.proyecto__overlay-cite {
  font-size: .73rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--teal-dark);
}

/* ============================
   EQUIPO (sección 5)
   ============================ */
.equipo {
  padding: 8rem 0;
  background: var(--cream);
}

.equipo__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.miembro--founder .miembro__img {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 4px;
  object-fit: cover;
}

.miembro--founder__info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1rem;
}
.miembro--founder__info h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--teal-dark);
}
.miembro__rol {
  font-size: .82rem;
  font-weight: 500;
  color: var(--teal-dark);
  margin-top: -.5rem;
}
.miembro__bio {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--mid);
}
.founder__quote {
  border-left: 3px solid var(--teal);
  padding-left: 1.25rem;
  margin-top: .5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--teal-dark);
}

/* ============================
   MANIFIESTO MARQUEE
   ============================ */
.manifiesto {
  background: var(--teal-dark);
  padding: 1.25rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.manifiesto__track {
  display: inline-flex;
  gap: 2.5rem;
  animation: marquee 28s linear infinite;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: rgba(255,255,255,.55);
  letter-spacing: .01em;
}
.manifiesto__track span[aria-hidden] {
  color: var(--teal);
  font-style: normal;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================
   INVERSIÓN (sección 6 nueva)
   ============================ */
.inversion {
  background: var(--section-light);
  padding: 8rem 0;
}
.inversion .section-header h2 { color: var(--dark); }

.inversion__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.inversion__box {
  background: var(--white);
  border-left: 4px solid var(--teal);
  border-radius: 4px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.inversion__box h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--teal-dark);
}

.inversion__box p {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--mid);
}

.inversion__etapa-label {
  font-family: var(--font-sans);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--teal);
}

.inversion__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.inversion__list li {
  font-size: .88rem;
  line-height: 1.6;
  color: var(--mid);
  padding-left: 1.25rem;
  position: relative;
}
.inversion__list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 1.2rem;
  line-height: 1.3;
}

.inversion__box--1 { grid-column: span 6; }
.inversion__box--2 { grid-column: span 6; }
.inversion__box--3,
.inversion__box--4,
.inversion__box--5 { grid-column: span 4; }

.inversion__box--final {
  grid-column: span 12;
  background: var(--peach);
  border-left: none;
  text-align: center;
  align-items: center;
  padding: 3rem 4rem;
  border-radius: 4px;
}
.inversion__final-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--teal-dark);
}
.inversion__cita {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--teal-dark);
  margin-top: .5rem;
}

/* ============================
   CONTACTO (sección 7)
   ============================ */
.contacto {
  background: var(--teal-dark);
  padding: 10rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contacto::before {
  content: 'ARQi';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-size: clamp(8rem, 18vw, 22rem);
  font-weight: 600;
  color: rgba(255,255,255,.03);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.contacto__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.contacto__inner h2 { color: var(--white); }
.contacto__inner h2 em { color: var(--teal); }

.contacto__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.6);
  max-width: 520px;
  line-height: 1.7;
}
.contacto__desc strong { color: var(--white); }
.contacto__fine {
  font-size: .82rem;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  max-width: 440px;
  text-align: center;
}
.contacto__fine--italic {
  font-style: italic;
  font-weight: 300;
  color: rgba(255,255,255,.4);
}

/* ============================
   DIAGNÓSTICO (sección 8)
   ============================ */
.diagnostico-sec {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%);
  padding: 8rem 2rem;
  text-align: center;
}

.diagnostico-sec__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}
.diagnostico-sec__inner h2 { color: var(--white); }
.diagnostico-sec__inner h2 em { color: rgba(255,255,255,.75); font-style: italic; }

.diagnostico-sec__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  max-width: 560px;
  line-height: 1.7;
}

/* ============================
   MARCAS / ALIANZAS (sección 9)
   ============================ */
.marcas-sec {
  background: var(--white);
  padding: 8rem 0;
}

.marcas-sec__content {
  max-width: 680px;
}
.marcas-sec__content h2 {
  margin-bottom: 1.5rem;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: #031e22;
  padding: 3.5rem 2.5rem 2rem;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.footer__tagline {
  font-family: var(--font-serif);
  font-size: .95rem;
  color: rgba(255,255,255,.4);
  max-width: 240px;
}
.footer__bottom {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.footer__logo {
  display: flex;
  align-items: center;
}
.footer__logo img {
  height: 32px;
  width: auto;
}
.footer__nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer__nav a {
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  transition: color .2s;
}
.footer__nav a:hover { color: rgba(255,255,255,.8); }
.footer__social {
  display: flex;
  gap: 1.5rem;
}
.footer__social a {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  transition: color .2s;
}
.footer__social a:hover { color: rgba(255,255,255,.9); }
.footer__copy {
  font-size: .78rem;
  color: rgba(255,255,255,.25);
}

/* ============================
   RESPONSIVE — TABLET
   ============================ */
@media (max-width: 1024px) {
  .equipo__grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .inversion__box--1,
  .inversion__box--2 { grid-column: span 12; }
  .inversion__box--3,
  .inversion__box--4,
  .inversion__box--5 { grid-column: span 4; }
}

/* ============================
   RESPONSIVE — MOBILE
   ============================ */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav { padding: 0 1.25rem; gap: 1rem; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; margin-left: .5rem; }
  .nav__logo img { height: 42px; }
  .nav__cta {
    font-size: .68rem;
    padding: .5rem 1rem;
    letter-spacing: .05em;
  }

  .hero__content { padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem; }

  .sensacion { flex: 0 0 100%; padding: 0 1.5rem; }

  .portafolio__grid { grid-template-columns: 1fr; gap: 1rem; }
  .proyecto--large,
  .portafolio__grid .proyecto:nth-child(2),
  .portafolio__grid .proyecto:nth-child(3),
  .portafolio__grid .proyecto:nth-child(4),
  .portafolio__grid .proyecto:nth-child(5) {
    grid-column: span 1;
    aspect-ratio: 4/3;
  }

  .inversion__box--1,
  .inversion__box--2,
  .inversion__box--3,
  .inversion__box--4,
  .inversion__box--5,
  .inversion__box--final { grid-column: span 12; }

  .inversion__box--final { padding: 2rem 1.5rem; }

  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__bottom { justify-content: flex-start; }

  .proceso__steps { padding-left: 2.75rem; }
  .etapa__num { left: -2.75rem; }
}

@media (max-width: 480px) {
  .container { width: min(100%, 100% - 3rem); }
  .equipo__grid { gap: 1.5rem; }
  .inversion__box { padding: 1.5rem; }
}