/* ============================================================
   HUMIX MANNHEIM — styles.css
   Sistema light / dark intercalado · Efectos nivel 4
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --blue:    #9dbbe5;
  --blue2:   #6f98d3;
  --blue3:   #3d6faa;
  --gold:    #efce8c;
  --gold2:   #d4a84b;
  --red:     #fa1f02;
  --dark:    #0b1422;
  --dark2:   #131f33;
  --dark3:   #1c2d47;
  --text:    #1f2937;
  --muted:   #64748b;
  --soft:    #f4f8fc;
  --soft2:   #eaf1fb;
  --white:   #fff;
  --radius:  28px;
  --shadow-light: 0 24px 70px rgba(15,23,42,.12);
  --shadow-dark:  0 24px 70px rgba(0,0,0,.35);

  /* Transiciones globales */
  --ease-out-expo: cubic-bezier(0.19,1,0.22,1);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Layout ─────────────────────────────────────────────────── */
.inner {
  width: min(92vw, 1440px);
  margin-inline: auto;
}

/* ── Progress bar ───────────────────────────────────────────── */
.hx-progress {
  position: fixed;
  inset: 0 auto auto 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--blue));
  z-index: 10000;
  transition: width .1s linear;
}

/* ── Cursor glow ────────────────────────────────────────────── */
.hx-cursor-glow {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(157,187,229,.22), transparent 66%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%,-50%);
  mix-blend-mode: multiply;
  transition: transform .06s linear;
}

/* ── Header ─────────────────────────────────────────────────── */
.hx-header {
  position: fixed;
  inset: 16px 0 auto;
  z-index: 1000;
}
.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 24px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(20px);
  box-shadow: 0 14px 44px rgba(15,23,42,.11), 0 1px 0 rgba(255,255,255,.9) inset;
  transition: box-shadow .3s;
}
.hx-header.is-scrolled .nav {
  box-shadow: 0 20px 60px rgba(15,23,42,.16), 0 1px 0 rgba(255,255,255,.9) inset;
}
.logo img { height: 38px; object-fit: contain; }
.menu {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 14px;
  font-weight: 750;
  color: #243042;
}
.menu a { position: relative; }
.menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--blue2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out-expo);
}
.menu a:hover::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: 12px; align-items: center; }
.mobile-toggle {
  display: none;
  border: 0;
  background: var(--dark);
  color: #fff;
  border-radius: 999px;
  width: 42px; height: 42px;
  font-size: 22px;
  cursor: pointer;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 850;
  border: 1px solid transparent;
  box-shadow: 0 14px 32px rgba(15,23,42,.11);
  transition: transform .3s var(--ease-out-expo), box-shadow .3s, filter .3s;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.28) 55%, transparent 70%);
  background-size: 200%;
  background-position: -100%;
  transition: background-position .5s ease;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 22px 56px rgba(15,23,42,.2); }
.btn:hover::after { background-position: 200%; }
.btn-gold {
  background: linear-gradient(135deg, #f7e4b2, var(--gold), #d4a84b);
  color: #1a1a00;
  border-color: rgba(239,206,140,.6);
}
.btn-blue {
  background: linear-gradient(135deg, #c4d9f5, var(--blue), var(--blue2));
  color: #0a1828;
  border-color: rgba(157,187,229,.6);
}
.btn-outline-light {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.6);
}

/* ── Kickers / tags ─────────────────────────────────────────── */
.kicker, .sec-tag, .contact-kicker {
  display: inline-flex;
  align-items: center;
  width: max-content;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.kicker, .sec-tag {
  background: rgba(157,187,229,.16);
  border: 1px solid rgba(157,187,229,.38);
  color: #31557f;
}
.sec-tag--dark {
  background: rgba(157,187,229,.14);
  border: 1px solid rgba(157,187,229,.3);
  color: var(--blue);
}
.sec-tag--gold {
  background: rgba(239,206,140,.18);
  border: 1px solid rgba(239,206,140,.4);
  color: var(--gold2);
}
.contact-kicker {
  background: rgba(239,206,140,.18);
  border-color: rgba(239,206,140,.4);
  color: #7a5a17;
  margin: auto;
}

/* ── Reveal animations ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s var(--ease-out-expo), transform .75s var(--ease-out-expo);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-left  { opacity:0; transform:translateX(-32px); transition: opacity .75s var(--ease-out-expo), transform .75s var(--ease-out-expo); }
.reveal-left.visible  { opacity:1; transform:none; }
.reveal-right { opacity:0; transform:translateX(32px);  transition: opacity .75s var(--ease-out-expo), transform .75s var(--ease-out-expo); }
.reveal-right.visible { opacity:1; transform:none; }
.d1 { transition-delay: .09s; }
.d2 { transition-delay: .18s; }
.d3 { transition-delay: .27s; }
.d4 { transition-delay: .36s; }
.d5 { transition-delay: .45s; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 1 — HERO (LIGHT)
   ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: auto;
  padding: 130px 0 70px;
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(157,187,229,.48), transparent),
    radial-gradient(ellipse 40% 40% at 10% 30%, rgba(239,206,140,.32), transparent),
    radial-gradient(ellipse 50% 60% at 50% 90%, rgba(157,187,229,.12), transparent),
    linear-gradient(175deg, #f8fbff 0%, #edf4fb 100%);
  overflow: hidden;
}

/* Blobs decorativos */
.hero-blob, .orb { position: absolute; border-radius: 999px; pointer-events: none; }
.blob-a {
  width: 500px; height: 500px;
  background: rgba(157,187,229,.2);
  filter: blur(80px);
  left: -180px; top: 100px;
  animation: blobDrift 18s ease-in-out infinite alternate;
}
.blob-b {
  width: 420px; height: 420px;
  background: rgba(239,206,140,.18);
  filter: blur(70px);
  right: -120px; top: 60px;
  animation: blobDrift 22s ease-in-out infinite alternate-reverse;
}
.blob-c {
  width: 280px; height: 280px;
  background: rgba(111,152,211,.14);
  filter: blur(60px);
  left: 40%; bottom: -60px;
  animation: blobDrift 16s ease-in-out infinite alternate;
}
.orb-one {
  width: 80px; height: 80px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 60px rgba(157,187,229,.4);
  left: 7%; bottom: 20%;
  filter: blur(2px);
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-two {
  width: 60px; height: 60px;
  background: rgba(239,206,140,.55);
  right: 10%; bottom: 14%;
  filter: blur(2px);
  animation: orbFloat 11s ease-in-out infinite reverse;
}
.orb-three {
  width: 44px; height: 44px;
  background: rgba(157,187,229,.5);
  right: 26%; top: 18%;
  filter: blur(1px);
  animation: orbFloat 9s ease-in-out infinite 2s;
}

@keyframes blobDrift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.08); }
}
@keyframes orbFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-18px); }
}

/* Grid hero */
.hero-grid-wide {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(44px, 5vw, 80px);
  align-items: center;
  width: min(92vw, 1500px);
  margin-inline: auto;
}
.hero-copy { min-width: 0; }

.hero h1 {
  font-size: clamp(52px, 5.6vw, 98px);
  line-height: .91;
  letter-spacing: -.065em;
  margin: 22px 0 20px;
  color: #0b1422;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue3), var(--blue2), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Em dorado para h2 oscuros */
.sec-h2 em, .contact-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--gold2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Em azul en secciones oscuras */
.dark-section .sec-h2 em {
  background: linear-gradient(135deg, var(--blue), #c9dff7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead, .sec-text {
  font-size: 18px;
  line-height: 1.75;
  color: #4a5d72;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 20px;
}
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(15,23,42,.08);
  backdrop-filter: blur(8px);
  font-size: 13px;
  font-weight: 800;
  color: #475569;
  box-shadow: 0 4px 14px rgba(15,23,42,.06);
  transition: box-shadow .25s, transform .25s;
}
.trust-chip:hover { box-shadow: 0 8px 24px rgba(15,23,42,.1); transform: translateY(-2px); }

/* Foto hero */
.hero-side { width: 100%; max-width: 700px; justify-self: end; min-width: 0; }
.hero-photo-card {
  position: relative;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(15,23,42,.18), 0 0 0 1px rgba(255,255,255,.7);
  background: #dce8f6;
  /* Efecto perspectiva sutil */
  transform: perspective(1000px) rotateY(-2.5deg) rotateX(1deg);
  transition: transform .6s var(--ease-out-expo);
}
.hero-photo-card:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }
.hero-photo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(255,255,255,.36), transparent 40%, rgba(239,206,140,.22));
  z-index: 2;
  pointer-events: none;
}
/* Borde luminoso animado */
.hero-photo-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 36px;
  padding: 1.5px;
  background: linear-gradient(135deg, rgba(239,206,140,.8), rgba(157,187,229,.5), rgba(255,255,255,0));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 3;
  pointer-events: none;
}
.hero-photo-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
  display: block;
}
.metric {
  position: absolute;
  left: 24px; bottom: 24px;
  z-index: 4;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  border-radius: 22px;
  padding: 14px 20px;
  box-shadow: 0 20px 50px rgba(15,23,42,.18);
  border: 1px solid rgba(255,255,255,.9);
}
.metric strong { display: block; font-size: 38px; line-height: 1; color: #0b1422; }
.metric span { font-size: 13px; color: #475569; font-weight: 800; }

/* Formulario hero */
.hero-whatsapp-form, .contact-whatsapp-form {
  margin-top: 20px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(157,187,229,.3);
  border-radius: 30px;
  padding: 22px;
  box-shadow: 0 20px 60px rgba(15,23,42,.1);
  backdrop-filter: blur(20px);
  width: 100%;
  max-width: 700px;
}
.mini-form-head { display: grid; gap: 3px; margin-bottom: 14px; }
.mini-form-head span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue2);
  font-weight: 900;
}
.mini-form-head strong { font-size: 19px; color: var(--dark); }
.mini-form-grid, .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(100,116,139,.22);
  border-radius: 16px;
  padding: 13px 15px;
  font: inherit;
  font-size: 15px;
  color: #111827;
  background: #fff;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
textarea { resize: vertical; margin-top: 11px; }
input:focus, select:focus, textarea:focus {
  border-color: var(--blue2);
  box-shadow: 0 0 0 4px rgba(157,187,229,.2);
}
.hero-whatsapp-form select { margin-top: 11px; }
.wa-privacy {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 13px 0;
  font-size: 13px;
  color: #64748b;
}
.wa-privacy input { width: auto; margin-top: 3px; }
.hero-whatsapp-form button, .contact-whatsapp-form button {
  width: 100%;
  border: 0;
  border-radius: 999px;
  padding: 15px 18px;
  background: linear-gradient(135deg, #f7e4b2, var(--gold), #d4a84b);
  font-weight: 900;
  font-size: 15px;
  color: #15202f;
  cursor: pointer;
  box-shadow: 0 14px 40px rgba(239,206,140,.4);
  transition: transform .25s, box-shadow .25s, filter .25s;
  position: relative;
  overflow: hidden;
}
.hero-whatsapp-form button:hover, .contact-whatsapp-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(239,206,140,.5);
  filter: brightness(1.05);
}
small, .form-priv {
  display: block;
  text-align: center;
  margin-top: 10px;
  color: #64748b;
  font-size: 12px;
}

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 2 — PROBLEMA LOCAL (DARK)
   ───────────────────────────────────────────────────────────── */
.dark-section {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark2) 40%, var(--dark3) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.dark-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 90% 20%, rgba(157,187,229,.12), transparent),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(239,206,140,.08), transparent);
  pointer-events: none;
}
/* Líneas de cuadrícula sutil */
.dark-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(157,187,229,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157,187,229,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.dark-section .split {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: stretch;
  width: min(92vw, 1440px);
  margin-inline: auto;
}
.sec-h2 {
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.03;
  letter-spacing: -.045em;
  margin: 16px 0;
}
.dark-section .sec-h2 { color: #fff; }
.dark-section .sec-text { color: rgba(255,255,255,.7); }

.problem-box-dark {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 36px;
  backdrop-filter: blur(10px);
}
.problem-list-dark { display: grid; gap: 12px; margin: 24px 0; }
.problem-list-dark div {
  padding: 16px 20px;
  border-radius: 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.75);
  border-left: 3px solid var(--gold2);
  transition: background .25s, border-color .25s;
}
.problem-list-dark div:hover {
  background: rgba(255,255,255,.08);
  border-left-color: var(--gold);
}
.problem-list-dark strong { color: rgba(255,255,255,.95); }
.problem-photo-dark {
  border-radius: 24px;
  overflow: hidden;
  margin-top: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.problem-photo-dark img { width: 100%; height: 220px; object-fit: cover; }

/* Local card oscura */
.local-card-dark {
  background: linear-gradient(145deg, rgba(239,206,140,.12), rgba(239,206,140,.04));
  border: 1px solid rgba(239,206,140,.22);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}
.local-card-dark .sec-h2 { color: #fff; margin: 8px 0; }
.local-card-dark p { color: rgba(255,255,255,.72); line-height: 1.7; margin: 0; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 3 — LEISTUNGEN (LIGHT)
   ───────────────────────────────────────────────────────────── */
.light-section {
  background: linear-gradient(180deg, #f2f7fd 0%, #fff 100%);
  padding: 100px 0;
  position: relative;
}
.sec-head {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 52px;
}
.sec-head .sec-tag { margin: auto; }

/* Cards de servicios */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.service-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(15,23,42,.07);
  border-radius: 32px;
  padding: 16px 16px 26px;
  box-shadow: 0 18px 48px rgba(15,23,42,.07);
  transition: transform .4s var(--ease-out-expo), box-shadow .4s, border-color .4s;
  isolation: isolate;
  min-height: 460px;
}
/* Borde gradiente al hover */
.service-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 32px;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--gold), var(--blue2), var(--gold2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s;
}
.service-card:hover { transform: translateY(-12px) scale(1.01); box-shadow: 0 40px 90px rgba(15,23,42,.16); border-color: transparent; }
.service-card:hover::before { opacity: 1; }

/* Lens spotlight */
.lens-spotlight {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,.52), rgba(239,206,140,.2), transparent 66%);
  top: 20px; left: -80px;
  z-index: 3;
  mix-blend-mode: screen;
  opacity: .3;
  transition: transform .5s var(--ease-out-expo), opacity .5s;
  pointer-events: none;
}
.service-card:hover .lens-spotlight { transform: translate(180px, 30px); opacity: .9; }

/* Shimmer al hover */
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 32px;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,.18) 50%, transparent 65%);
  background-size: 200%;
  background-position: -100%;
  transition: background-position .55s ease;
  z-index: 4;
  pointer-events: none;
}
.service-card:hover::after { background-position: 200%; }

.service-media {
  height: 230px;
  border-radius: 22px;
  overflow: hidden;
  background: #dbeafe;
  position: relative;
}
.service-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease-out-expo), filter .7s;
}
.service-card:hover .service-media img { transform: scale(1.1); filter: saturate(1.1) contrast(1.04); }

.service-icon {
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  margin: -25px 0 12px 18px;
  position: relative;
  z-index: 5;
  border-radius: 16px;
  background: linear-gradient(135deg, #fff, var(--gold));
  box-shadow: 0 10px 30px rgba(15,23,42,.14);
  font-size: 22px;
}
.service-card h3 { font-size: 21px; margin: 8px 8px 6px; color: #111827; }
.service-card p  { margin: 0 8px; color: #64748b; line-height: 1.65; font-size: 15px; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 4 — HUMIX SYSTEM (DARK)
   ───────────────────────────────────────────────────────────── */
.dark-section-2 {
  background: linear-gradient(155deg, var(--dark2) 0%, #0f1e34 50%, var(--dark3) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.dark-section-2::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 45% 55% at 95% 50%, rgba(157,187,229,.1), transparent),
    radial-gradient(ellipse 35% 35% at 5% 50%, rgba(239,206,140,.07), transparent);
  pointer-events: none;
}
.product-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 52px;
  align-items: center;
  width: min(92vw, 1440px);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}
.product-grid--reverse { grid-template-columns: 1.1fr .9fr; }

/* Texto de producto en oscuro */
.dark-section-2 .product-copy .sec-h2 { color: #fff; }
.dark-section-2 .product-copy .sec-text { color: rgba(255,255,255,.7); }

/* Imagen producto */
.product-image-card {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.12);
}
.product-image-card img { width: 100%; height: 360px; object-fit: cover; }
.product-image-label { display: none !important; }

/* Steps oscuros */
.product-steps { display: grid; gap: 14px; margin-top: 18px; }
.data-block-dark {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: background .25s, border-color .25s, transform .25s;
}
.data-block-dark:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(157,187,229,.3);
  transform: translateX(4px);
}
.data-block-dark h3 { margin: 0 0 6px; color: var(--gold); font-size: 15px; }
.data-block-dark p  { margin: 0; color: rgba(255,255,255,.68); line-height: 1.65; font-size: 15px; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 5 — ECOPAIR (LIGHT con acento frío)
   ───────────────────────────────────────────────────────────── */
.ecopair-section {
  background: linear-gradient(170deg, #eef5ff 0%, #f8fbff 50%, #fff 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.ecopair-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 40% at 80% 50%, rgba(157,187,229,.18), transparent);
  pointer-events: none;
}
.ecopair-section .product-grid {
  position: relative;
  z-index: 2;
}

.ecopair-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.ecopair-benefits > div {
  background: #fff;
  border: 1px solid rgba(157,187,229,.22);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 8px 28px rgba(15,23,42,.06);
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.ecopair-benefits > div:hover {
  box-shadow: 0 16px 44px rgba(15,23,42,.1);
  transform: translateY(-3px);
  border-color: rgba(157,187,229,.45);
}
.ecopair-benefits > div span {
  display: block;
  color: var(--blue2);
  font-weight: 950;
  font-size: 13px;
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.ecopair-benefits > div strong { color: #111827; font-size: 15px; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 6 — VIDEO (DARK full)
   ───────────────────────────────────────────────────────────── */
.video-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #080f1c 0%, var(--dark) 40%, var(--dark2) 100%);
  position: relative;
  overflow: hidden;
  color: #fff;
}
.video-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 5% 50%, rgba(157,187,229,.1), transparent),
    radial-gradient(ellipse 40% 40% at 95% 50%, rgba(239,206,140,.07), transparent);
  pointer-events: none;
}
/* Noise texture sutil */
.video-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
  opacity: .4;
}
.video-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
  align-items: center;
  width: min(92vw, 1440px);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}
.video-section .sec-h2, .video-section .sec-text { color: #fff; }
.video-section .sec-text { color: rgba(255,255,255,.72); }

.video-card {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  aspect-ratio: 16/9;
  min-height: 280px;
  background: #000;
  box-shadow: 0 40px 120px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.1);
  /* Glow azul alrededor del vídeo */
  filter: drop-shadow(0 0 40px rgba(157,187,229,.15));
}
.video-card iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: 0;
  display: block;
}

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 7 — GEBIETE (LIGHT)
   ───────────────────────────────────────────────────────────── */
.gebiete-section {
  background: #fff;
  padding: 100px 0;
}
.zones {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 1200px;
  margin-inline: auto;
}
.zones span {
  padding: 13px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(15,23,42,.08);
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
  font-weight: 850;
  font-size: 14px;
  transition: border-color .25s, box-shadow .25s, transform .25s, background .25s;
  cursor: default;
}
.zones span:hover {
  background: linear-gradient(135deg, rgba(239,206,140,.12), rgba(157,187,229,.08));
  border-color: rgba(239,206,140,.55);
  box-shadow: 0 14px 36px rgba(239,206,140,.18);
  transform: translateY(-3px);
}

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 8 — ABLAUF (DARK gradiente)
   ───────────────────────────────────────────────────────────── */
.steps-section {
  background: linear-gradient(155deg, var(--dark3) 0%, var(--dark2) 60%, #0d1a2d 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(157,187,229,.1), transparent);
  pointer-events: none;
}
.steps-section .sec-head { position: relative; z-index: 2; }
.steps-section .sec-h2 { color: #fff; }
.steps-section .sec-text { color: rgba(255,255,255,.65); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
/* Línea conectora entre steps */
.steps::before {
  content: "";
  position: absolute;
  top: 36px;
  left: calc(12.5% + 10px);
  right: calc(12.5% + 10px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold2), var(--blue2));
  opacity: .35;
  z-index: 0;
}
.step-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
  position: relative;
  z-index: 1;
  transition: background .3s, border-color .3s, transform .3s var(--ease-out-expo);
}
.step-card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(157,187,229,.3);
  transform: translateY(-6px);
}
.step-num {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue3), var(--gold2));
  font-weight: 950;
  font-size: 18px;
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(111,152,211,.4);
}
.step-card h3 { margin: 0 0 8px; color: rgba(255,255,255,.95); font-size: 17px; }
.step-card p  { margin: 0; color: rgba(255,255,255,.62); line-height: 1.65; font-size: 15px; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 9 — FAQ (LIGHT)
   ───────────────────────────────────────────────────────────── */
.faq-section {
  background: var(--soft);
  padding: 100px 0;
}
.faq-list { max-width: 900px; margin: auto; display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid rgba(15,23,42,.07);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 10px 32px rgba(15,23,42,.06);
  transition: box-shadow .25s;
}
.faq-item:hover { box-shadow: 0 16px 44px rgba(15,23,42,.1); }
.faq-q {
  width: 100%;
  border: 0;
  background: #fff;
  padding: 20px 24px;
  text-align: left;
  font-weight: 900;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  color: #111827;
  transition: background .2s;
}
.faq-q:hover { background: #f8fafc; }
.faq-toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(157,187,229,.15);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: var(--blue2);
  flex-shrink: 0;
  transition: background .25s, transform .3s;
}
.faq-item.open .faq-toggle {
  background: var(--blue2);
  color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  display: none;
  padding: 0 24px 20px;
  color: #64748b;
  line-height: 1.75;
  font-size: 15px;
}
.faq-item.open .faq-a { display: block; }

/* ─────────────────────────────────────────────────────────────
   SECCIÓN 10 — KONTAKT (DARK con acento dorado)
   ───────────────────────────────────────────────────────────── */
.contact-section {
  padding: 110px 0;
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark2) 50%, #0e1e35 100%);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 50% 0%, rgba(239,206,140,.12), transparent),
    radial-gradient(ellipse 40% 40% at 0% 100%, rgba(157,187,229,.08), transparent);
  pointer-events: none;
}
/* Partículas flotantes decorativas */
.contact-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 2px at 20% 30%, rgba(239,206,140,.4), transparent),
    radial-gradient(circle 1.5px at 70% 60%, rgba(157,187,229,.4), transparent),
    radial-gradient(circle 2px at 85% 20%, rgba(239,206,140,.3), transparent),
    radial-gradient(circle 1px at 40% 80%, rgba(157,187,229,.3), transparent),
    radial-gradient(circle 2px at 10% 70%, rgba(239,206,140,.25), transparent);
  pointer-events: none;
}
.contact-wrap {
  width: min(92vw, 1100px);
  margin: auto;
  position: relative;
  z-index: 2;
}
.contact-head { text-align: center; margin-bottom: 30px; }
.contact-title {
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.03;
  letter-spacing: -.045em;
  margin: 18px 0;
  color: #fff;
}
.contact-subtitle { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,.65); }

/* Formulario oscuro */
.contact-whatsapp-form {
  max-width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(20px);
  border-radius: 32px;
  padding: 36px;
}
.contact-whatsapp-form input,
.contact-whatsapp-form select,
.contact-whatsapp-form textarea {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
  color: #fff;
}
.contact-whatsapp-form input::placeholder,
.contact-whatsapp-form textarea::placeholder { color: rgba(255,255,255,.45); }
.contact-whatsapp-form select option { background: var(--dark2); color: #fff; }
.contact-whatsapp-form input:focus,
.contact-whatsapp-form select:focus,
.contact-whatsapp-form textarea:focus {
  border-color: rgba(157,187,229,.6);
  box-shadow: 0 0 0 4px rgba(157,187,229,.15);
  background: rgba(255,255,255,.12);
}
.wa-privacy-dark {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 14px 0;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}
.wa-privacy-dark input { width: auto; margin-top: 3px; }
.form-priv-dark {
  display: block;
  text-align: center;
  margin-top: 10px;
  color: rgba(255,255,255,.45);
  font-size: 12px;
}

/* ─────────────────────────────────────────────────────────────
   FOOTER (DARK)
   ───────────────────────────────────────────────────────────── */
.footer {
  background: #070e1a;
  color: #94a3b8;
  padding: 70px 0 28px;
  border-top: 1px solid rgba(255,255,255,.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr .8fr;
  gap: 36px;
}
.footer h3 { color: rgba(255,255,255,.9); margin-top: 0; font-size: 15px; }
.footer a { color: #94a3b8; transition: color .2s; }
.footer a:hover { color: var(--gold); }
.footer-logo { height: 52px; object-fit: contain; margin-bottom: 16px; }
.footer p { font-size: 15px; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
}
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* ─────────────────────────────────────────────────────────────
   FLOAT WHATSAPP
   ───────────────────────────────────────────────────────────── */
.float-wa {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 1000;
  width: 64px; height: 64px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f7e4b2, var(--gold), var(--gold2));
  color: #111827;
  font-size: 28px;
  font-weight: 900;
  box-shadow: 0 16px 44px rgba(239,206,140,.4), 0 0 0 0 rgba(239,206,140,.4);
  animation: waPulse 3s ease-in-out infinite;
  transition: transform .3s, box-shadow .3s;
}
.float-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 20px 54px rgba(239,206,140,.55);
  animation: none;
}
@keyframes waPulse {
  0%,100% { box-shadow: 0 16px 44px rgba(239,206,140,.4), 0 0 0 0 rgba(239,206,140,.3); }
  50%      { box-shadow: 0 16px 44px rgba(239,206,140,.4), 0 0 0 14px rgba(239,206,140,0); }
}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .hero-grid-wide, .dark-section .split, .product-grid, .product-grid--reverse, .video-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid-wide { gap: 44px; width: min(92vw, 860px); }
  .hero-side { max-width: 100%; justify-self: stretch; }
  .hero-photo-card { transform: none; }
  .hero-photo-card img { height: 420px; min-height: 420px; }
  .hero-whatsapp-form { max-width: 100%; }
  .dark-section .split { gap: 32px; }
  .product-image-card img { height: 320px; }
  .video-grid { gap: 40px; }
}

@media (max-width: 980px) {
  .menu {
    position: absolute;
    left: 18px; right: 18px; top: 84px;
    padding: 18px;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(15,23,42,.15);
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }
  .menu.open { display: flex; }
  .mobile-toggle { display: block; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hx-cursor-glow { display: none; }
}

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

@media (max-width: 767px) {
  .services-grid { grid-template-columns: 1fr !important; }
  .mini-form-grid, .contact-grid { grid-template-columns: 1fr; }

  .hero { padding: 104px 0 54px; }
  .hero-grid-wide { width: calc(100% - 24px); gap: 34px; }
  .hero h1 { font-size: clamp(42px, 13vw, 60px); line-height: .94; letter-spacing: -.055em; margin: 18px 0 16px; }
  .kicker { font-size: 11px; line-height: 1.3; white-space: normal; width: fit-content; max-width: 100%; }
  .lead { font-size: 16px; line-height: 1.65; }
  .hero-actions { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .trust-row { gap: 8px; }
  .trust-chip { font-size: 12px; padding: 8px 11px; }
  .hero-photo-card img { height: 310px; min-height: 310px; }
  .metric { left: 14px; bottom: 14px; padding: 10px 14px; border-radius: 18px; }
  .metric strong { font-size: 30px; }
  .hero-whatsapp-form { padding: 16px; border-radius: 24px; }
  .mini-form-head strong { font-size: 17px; }
  input, select, textarea { font-size: 16px; padding: 12px 13px; }

  .dark-section, .dark-section-2, .light-section, .ecopair-section,
  .video-section, .gebiete-section, .steps-section, .faq-section, .contact-section {
    padding: 70px 0;
  }
  .problem-box-dark, .local-card-dark { padding: 24px; }
  .contact-whatsapp-form { padding: 22px; }
  .steps { grid-template-columns: 1fr !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ecopair-benefits { grid-template-columns: 1fr; }

  .nav { height: 66px; padding-left: 16px; }
  .nav .btn { display: none; }
  .sec-h2 { font-size: clamp(30px, 8vw, 42px); }
  .video-card { min-height: 210px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; }
  .ecopair-benefits { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(38px, 13.5vw, 52px); }
  .hero-photo-card img { height: 270px; min-height: 270px; }
  .hero-whatsapp-form small { display: none; }
  .video-card { min-height: 180px; }
}

/* ── Landau overrides — acento verde viñedo Weinstraße ── */
:root {
  --vine:  #4a7a3a;
  --vine2: #5e9648;
  --vine3: #78b560;
}
.hero { background:
  radial-gradient(ellipse 55% 50% at 88% 6%, rgba(239,206,140,.26), transparent),
  radial-gradient(ellipse 42% 42% at 6% 28%, rgba(74,122,58,.1), transparent),
  linear-gradient(175deg, #f5f9f3 0%, #fff 60%, #f3f8f5 100%); }
.blob-a { background: rgba(74,122,58,.12); }
.blob-b { background: rgba(157,187,229,.14); }
.menu a::after { background: linear-gradient(90deg, var(--vine), var(--gold2)); }
.hero h1 em, .sec-h2 em, .contact-title em {
  background: linear-gradient(135deg, var(--vine), var(--gold2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-photo-card { transform: perspective(1000px) rotateY(2deg) rotateX(.6deg);
  box-shadow: 0 30px 80px rgba(15,23,42,.15), 0 0 0 1.5px rgba(74,122,58,.25), 0 0 0 6px rgba(74,122,58,.06); }
.metric { border-color: rgba(74,122,58,.2); }
.hero-whatsapp-form, .contact-whatsapp-form { border-color: rgba(74,122,58,.15); }
.mini-form-head span { color: var(--vine); }
input:focus, select:focus, textarea:focus { border-color: var(--vine2); box-shadow: 0 0 0 4px rgba(74,122,58,.14); }
.kicker, .sec-tag { background: rgba(74,122,58,.1); border-color: rgba(74,122,58,.25); color: var(--vine); }
.problem-list div { border-left-color: var(--vine2); }
.problem-list div:hover { background: rgba(74,122,58,.06); border-left-color: var(--vine); }
.local-card { background: linear-gradient(148deg, #0d1a0b 0%, #1c2e18 100%); border-color: rgba(74,122,58,.2); }
.local-card .sec-tag { background: rgba(74,122,58,.15); border-color: rgba(74,122,58,.3); color: var(--vine3); }
.service-card { border-color: rgba(74,122,58,.08); }
.service-card::before { background: linear-gradient(135deg, var(--vine2), var(--gold2), var(--blue2)); }
.service-icon { background: linear-gradient(135deg, #fff, #d4edcc); box-shadow: 0 8px 28px rgba(74,122,58,.3); }
.data-block { border-left-color: var(--vine2); }
.data-block:hover { border-left-color: var(--vine); }
.data-block h3 { color: var(--vine); }
.zones span:hover { background: rgba(74,122,58,.07); border-color: rgba(74,122,58,.4); box-shadow: 0 12px 34px rgba(74,122,58,.15); }
.step-num { background: linear-gradient(135deg, var(--vine), var(--gold2)); box-shadow: 0 8px 26px rgba(74,122,58,.35); }
.faq-item.open { border-color: rgba(74,122,58,.3); }
.faq-toggle { background: rgba(74,122,58,.1); color: var(--vine); }
.faq-item.open .faq-toggle { background: linear-gradient(135deg, var(--vine2), var(--vine)); }
.footer { border-top-color: rgba(74,122,58,.1); }
.footer a:hover { color: var(--vine3); }