/* ═══════════════════════════════════════════════
   A.MAR.TE — Landing Page
   Bienestar corporativo · Bizkaia
   ═══════════════════════════════════════════════ */

:root {
  --salvia-deep:  #1A241D;
  --salvia-surf:  #24322A;
  --salvia:       #5B7B5E;
  --crema:        #F6F1E8;
  --crema-rosa:   #F3E9E6;
  --terracota:    #C4663D;
  --rosa:         #E8B4B8;
  --rosa-polvo:   #D9A6A1;
  --texto-claro:  #F1ECE2;
  --texto-oscuro: #1A241D;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--crema);
  color: var(--texto-oscuro);
  font-family: 'Poppins', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
:focus-visible { outline: 2px solid var(--terracota); outline-offset: 3px; }
img { max-width: 100%; display: block; }

/* ── ONDA NERVIOSA ── */
.nerve-line {
  position: fixed;
  top: 0;
  left: 1.5vw;
  width: 54px;
  height: 100vh;
  z-index: 5;
  pointer-events: none;
}
.nerve-line path {
  fill: none;
  stroke: var(--rosa-polvo);
  stroke-width: 1.5;
  opacity: 0.5;
}

/* ── HERO ── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__bg-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(60% 50% at 30% 30%, rgba(91, 123, 94, 0.35), transparent 60%),
    radial-gradient(50% 50% at 75% 70%, rgba(196, 102, 61, 0.18), transparent 60%),
    var(--salvia-deep);
  background-size: 200% 200%;
  animation: heroDrift 22s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.045); }
}
.hero__bg-fallback,
.hero__bg {
  animation: heroDrift 22s ease-in-out infinite alternate, breathe 11s ease-in-out infinite;
  transform-origin: center;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(26, 36, 29, 0.35) 0%,
    rgba(26, 36, 29, 0.55) 55%,
    rgba(26, 36, 29, 0.92) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  padding: 0 6vw;
  color: var(--texto-claro);
}
.hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--rosa-polvo);
  margin-bottom: 1.5rem;
}
.hero__title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  line-height: 1.05;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
}
.hero__title .line { display: block; }
.hero__title .line-2 {
  font-family: 'Lora', serif;
  font-style: italic;
  color: var(--rosa);
  margin-top: 0.2em;
}
.hero__subtitle {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  max-width: 620px;
  margin: 2rem 0 2.5rem;
  line-height: 1.6;
  color: var(--crema);
}
.hero__cta {
  display: inline-block;
  background: var(--terracota);
  color: var(--crema);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  padding: 1rem 2rem;
  border-radius: 2px;
  text-decoration: none;
  transition: transform 0.3s ease, background 0.3s ease;
}
.hero__cta:hover {
  transform: translateY(-2px);
  background: #b35a34;
}
.hero__scroll {
  display: block;
  margin-top: 3rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--texto-claro);
  opacity: 0.7;
}

/* estado inicial para animar (solo si hay motion permitido) */
@media (prefers-reduced-motion: no-preference) {
  .hero__eyebrow,
  .hero__title .line,
  .hero__subtitle,
  .hero__cta,
  .hero__scroll {
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero__bg-fallback,
  .hero__bg {
    animation: none;
  }
}

/* ── SECCIONES ── */
.section {
  padding: 7rem 6vw;
}
.section--dark {
  background: var(--salvia-deep);
  color: var(--texto-claro);
}
.section:not(.section--dark) {
  background: var(--crema);
  color: var(--texto-oscuro);
}
.section__eyebrow {
  font-family: 'Poppins', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracota);
  margin-bottom: 1rem;
}
.section--dark .section__eyebrow,
.coste .section__eyebrow {
  color: var(--rosa-polvo);
}
.section__title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  line-height: 1.1;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  max-width: 18ch;
}
.section__intro {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.7;
  max-width: 60ch;
  margin-top: 1.5rem;
}

/* ── COSTE (cifras ancladas) ── */
.coste {
  background: var(--salvia-deep);
  color: var(--texto-claro);
}
.coste__pin {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 6vw;
  position: relative;
}
.coste__stage {
  position: relative;
  height: 48vh;
}
.stat {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
}
.stat__num {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(6rem, 22vw, 18rem);
  line-height: 0.9;
}
.stat__pct {
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 6vw, 5rem);
  color: var(--terracota);
}
.stat__txt {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: clamp(1rem, 2vw, 1.5rem);
  max-width: 32ch;
  margin-top: 1rem;
}
.coste__punch {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  max-width: 24ch;
  opacity: 0;
  margin-top: 1rem;
}

/* Móvil: coste sin pin, estático */
@media (max-width: 780px) {
  .coste__pin {
    height: auto;
    padding: 4.5rem 7vw;
  }
  .coste__stage {
    position: static;
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
  }
  .stat {
    position: static;
    opacity: 1;
  }
  .coste__punch {
    opacity: 0;
    margin-top: 2.5rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  .stat { opacity: 1; }
  .coste__punch { opacity: 1; }
}

/* ── GRID + CARDS ── */
.grid {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }
.esti-grid {
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
}

.card {
  padding: 2rem;
  border-top: 2px solid var(--rosa-polvo);
  background: rgba(0, 0, 0, 0.02);
}
.section--dark .card {
  background: var(--salvia-surf);
  border-top-color: var(--terracota);
}
.card h3 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}
.card p {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  font-size: 0.98rem;
}
.card--destacada {
  border-top-width: 4px;
  border-top-color: var(--terracota);
}

/* ── PILARES (scroll horizontal) ── */
.pilares {
  overflow: hidden;
  background: var(--crema);
}
.pilares-track {
  display: flex;
  width: 400vw;
}
.pilar-panel {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4vw;
  padding: 0 8vw;
}
.pilar-img {
  aspect-ratio: 3/4;
  height: 60vh;
}
.pilar-n {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  color: var(--terracota);
  letter-spacing: 0.2em;
}
.pilar-txt h3 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 0.8rem 0 1rem;
}
.pilar-txt p {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 38ch;
}

/* Móvil: pilares en columna con entrada cruzada */
@media (max-width: 780px) {
  .pilares-track {
    flex-direction: column;
    width: 100%;
  }
  .pilar-panel {
    width: 100%;
    height: auto;
    grid-template-columns: 1fr;
    padding: 4rem 7vw;
    overflow: hidden;
  }
  .pilar-img {
    height: auto;
    aspect-ratio: 4/3;
  }
}

/* ── BOTÓN ── */
.btn {
  display: inline-block;
  background: var(--terracota);
  color: var(--crema);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 1rem 2rem;
  border: none;
  border-radius: 2px;
  text-decoration: none;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.3s, background 0.3s;
  margin-top: 2.5rem;
}
.btn:hover {
  transform: translateY(-2px);
  background: #b35a34;
}

/* ── PLACEHOLDER DE FOTO ── */
.ph-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--crema-rosa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b9a9a4;
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
}
.section--dark .ph-img {
  background: var(--salvia-surf);
  color: #8aa08c;
}

/* ── FORMULARIO DE CONTACTO ── */
.contact-form {
  max-width: 560px;
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(246, 241, 232, 0.25);
  background: transparent;
  color: var(--texto-claro);
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  border-radius: 2px;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(246, 241, 232, 0.5);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--terracota);
  outline-offset: 2px;
}

/* ── REVEAL (scroll animation) ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ── RESPONSIVE ── */
@media (max-width: 780px) {
  .nerve-line {
    left: 0;
    width: 32px;
    opacity: 0.65;
  }
  .grid-3,
  .grid-4,
  .esti-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 4.5rem 7vw;
  }
}

/* ── FOOTER ERK LABS ── */
.footer-erk {
  width: 100%;
  text-align: center;
  padding: 1.5rem 0 1rem;
  background: var(--salvia-deep);
  border-top: 1px solid rgba(246, 241, 232, 0.08);
}
.footer-erk__link {
  color: #9aa79b;
  font-family: 'Poppins', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.footer-erk__link:hover { opacity: 1; }