/* ════════════════════════════════════════════════════════
   MAORI SOLAR — sistema de diseño
   negro volcánico · océano profundo · oro solar · coral ·
   arena · verde tropical · azul Victron
   ════════════════════════════════════════════════════════ */

:root {
  --ink:      #0B0E11;
  --ink-2:    #11161C;
  --ink-3:    #1A222B;
  --ocean:    #0E2A3A;
  --ocean-2:  #123B4C;
  --gold:     #F5B841;
  --gold-2:   #FFD37A;
  --coral:    #FF6B57;
  --hibisco:  #FF5A7A;
  --sand:     #E8DCC8;
  --teal:     #39C0A5;
  --green:    #2E9E6B;
  --green-2:  #52B878;
  --victron:  #1F5FA8;
  --victron-2:#2B72C4;
  --white:    #F7F4EE;
  --muted:    #8FA3B0;

  --font-display: 'Clash Display', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;

  --pad: clamp(1.25rem, 5vw, 6rem);
  --radius: 18px;
  --ease: cubic-bezier(.65, .05, 0, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold); color: var(--ink); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.04; letter-spacing: -.015em; }
h2 { font-size: clamp(2.2rem, 5.5vw, 4.4rem); }
h2 em, h1 em { font-style: italic; color: var(--gold); }

img, svg, canvas { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ── decoraciones florales ───────────────────────────── */
.deco { position: absolute; pointer-events: none; z-index: 1; width: 56px; height: 56px; opacity: .85; }
.deco--h1 { top: 18%; left: 4%; width: 44px; animation: floaty 7s ease-in-out infinite; }
.deco--h2 { bottom: 30%; left: 46%; width: 34px; animation: floaty 9s ease-in-out 1s infinite; }
.deco--h3 { top: 12%; right: 6%; width: 40px; animation: floaty 8s ease-in-out .5s infinite; }
.deco--h4 { bottom: 22%; left: 2%; width: 60px; opacity: .5; animation: sway 6s ease-in-out infinite; }
.deco--s1 { top: 4rem; right: 5%; width: 70px; opacity: .35; animation: sway 7s ease-in-out infinite; }
.deco--c1 { top: 5rem; right: 8%; width: 46px; opacity: .6; animation: floaty 8s ease-in-out infinite; }
.deco--b1 { top: 6rem; right: 7%; width: 44px; opacity: .7; animation: floaty 9s ease-in-out infinite; }
.deco--f1 { top: 10%; left: 6%; width: 52px; animation: floaty 7s ease-in-out infinite; }
.deco--f2 { bottom: 18%; right: 7%; width: 44px; animation: floaty 9s ease-in-out 1.2s infinite; }
@keyframes floaty { 50% { transform: translateY(-14px) rotate(8deg); } }
@keyframes sway { 50% { transform: rotate(-7deg); } }

/* ── bits compartidos ────────────────────────────────── */
.eyebrow {
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 1.2rem; font-weight: 500;
}
.eyebrow--gold { color: var(--gold); }
.eyebrow--dark { color: var(--ocean); }

.section-head { position: relative; z-index: 2; padding: clamp(5rem, 10vw, 9rem) var(--pad) clamp(2.5rem, 5vw, 4rem); max-width: 1200px; }
.section-head__sub { margin-top: 1.4rem; max-width: 46ch; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.15rem); }

.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 600; font-size: 1rem; letter-spacing: .01em;
  padding: 1em 2em; border-radius: 100px;
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), color .35s;
}
.btn::after {
  content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--white); transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--ease);
}
.btn:hover::after { transform: scaleX(1); }
.btn:hover { transform: translateY(-2px); color: var(--ink); }
.btn--gold { background: var(--gold); color: var(--ink); box-shadow: 0 10px 40px -12px rgba(245,184,65,.55); }
.btn--ghost { border: 1.5px solid rgba(247,244,238,.35); color: var(--white); }
.btn--dark { background: var(--ink); color: var(--white); justify-content: center; }
.btn--dark::after { background: var(--ocean); }
.btn--dark:hover { color: var(--white); }
.btn--small { padding: .65em 1.4em; font-size: .9rem; }

/* ── loader ──────────────────────────────────────────── */
.loader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--ink);
  display: grid; place-content: center; gap: 1.4rem; text-align: center;
}
.loader__sun {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto;
  background: radial-gradient(circle at 35% 35%, var(--gold-2), var(--gold) 60%, var(--coral));
  box-shadow: 0 0 60px 10px rgba(245,184,65,.45);
  animation: loaderPulse 1.4s ease-in-out infinite;
}
@keyframes loaderPulse { 50% { transform: scale(1.12); box-shadow: 0 0 90px 18px rgba(245,184,65,.6); } }
.loader__word { font-family: var(--font-display); letter-spacing: .42em; font-size: .85rem; color: var(--sand); }
.loader__line { width: 180px; height: 2px; background: rgba(247,244,238,.12); margin: 0 auto; border-radius: 2px; overflow: hidden; }
.loader__line span { display: block; height: 100%; width: 0; background: var(--gold); }

/* ── nav ─────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.1rem var(--pad);
  transition: background .5s, backdrop-filter .5s, padding .5s, transform .55s var(--ease);
}
.nav.is-scrolled {
  background: rgba(11,14,17,.72); backdrop-filter: blur(18px);
  padding-block: .7rem;
  border-bottom: 1px solid rgba(247,244,238,.06);
}
.nav.is-hidden { transform: translateY(-110%); }
.nav__logo { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--white); }
.nav__logo svg { color: var(--gold); }
.nav__logo em { font-style: normal; color: var(--gold); }
.nav__links { display: flex; gap: 2.2rem; font-size: .92rem; font-weight: 500; }
.nav__links a { position: relative; opacity: .8; transition: opacity .3s; }
.nav__links a::after {
  content: ''; position: absolute; left: 0; bottom: -5px; height: 1.5px; width: 100%;
  background: var(--gold); transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ── hero ────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(6.5rem, 12vh, 9rem) var(--pad) 2rem;
  overflow: hidden;
}
.hero__sky {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(245,166,35,.28), transparent 60%),
    radial-gradient(700px 480px at 15% 85%, rgba(46,158,107,.16), transparent 65%),
    linear-gradient(180deg, #0B0E11 0%, #0E2A3A 55%, #123B4C 100%);
}
.hero__pattern {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 20 L20 0 L40 20 L60 0 L80 20 M0 60 L20 40 L40 60 L60 40 L80 60' fill='none' stroke='%23E8DCC8' stroke-width='1.5'/%3E%3C/svg%3E");
  mask-image: linear-gradient(to bottom, transparent, black 30%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%, transparent 85%);
}
.hero__grid {
  position: relative; z-index: 2;
  display: grid; gap: clamp(2rem, 4vw, 3rem); align-items: center;
  grid-template-columns: 1fr; max-width: 1500px;
}
@media (min-width: 1020px) { .hero__grid { grid-template-columns: 1.05fr 1fr; } }
.hero__kicker {
  display: flex; align-items: center; gap: .7rem;
  font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--sand);
  margin-bottom: 2rem; opacity: .85;
}
.hero__kicker-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); animation: blink 2.4s infinite; }
@keyframes blink { 50% { opacity: .35; } }
.hero__title { font-size: clamp(2.7rem, 6.2vw, 5.6rem); color: var(--white); }
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__sub { margin-top: 1.8rem; max-width: 44ch; color: var(--muted); font-size: clamp(1.02rem, 1.5vw, 1.2rem); }
.hero__actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__island { position: relative; filter: drop-shadow(0 40px 60px rgba(0,0,0,.45)); }
.hero__island svg { width: 100%; height: auto; overflow: visible; }
.hero__art { width: 100%; height: auto; border-radius: 4.5%; box-shadow: 0 28px 80px rgba(0,0,0,.32); }
.hero__art-legacy, .project-art-legacy { display: none !important; }
.hero__stats {
  position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 4rem);
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  padding-top: 2rem; border-top: 1px solid rgba(247,244,238,.12);
}
.stat strong { font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.5rem); color: var(--gold); display: block; }
.stat span { font-size: .82rem; color: var(--muted); letter-spacing: .04em; }
.hero__scroll {
  position: absolute; right: var(--pad); bottom: 2rem; z-index: 2;
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: .8rem;
}
.hero__scroll span { display: block; width: 1.5px; height: 44px; background: linear-gradient(var(--gold), transparent); animation: scrollHint 2s var(--ease) infinite; transform-origin: top; }
@keyframes scrollHint { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* animaciones de la isla */
.iso-sun__rays { animation: sunSpin 30s linear infinite; transform-origin: 0 0; }
@keyframes sunSpin { to { transform: rotate(360deg); } }
.iso-cloud { animation: cloudDrift 14s ease-in-out infinite alternate; }
.iso-cloud--2 { animation-duration: 18s; animation-delay: 2s; }
@keyframes cloudDrift { to { transform: translate(160px, 96px) translateX(34px); } }
.iso-cloud { will-change: transform; }
.iso-ring { animation: ringPulse 5s ease-in-out infinite; }
.iso-ring--2 { animation-delay: 1.4s; }
@keyframes ringPulse { 50% { opacity: .08; } }
.iso-led { animation: blink 2s infinite; }
.iso-led--2 { animation-delay: .7s; }
.iso-window { animation: windowGlow 6s ease-in-out infinite; }
@keyframes windowGlow { 0%, 35% { opacity: 0; } 55%, 80% { opacity: .85; } 100% { opacity: 0; } }
.iso-flowline { animation: dashMove 1.6s linear infinite; }
@keyframes dashMove { to { stroke-dashoffset: -12; } }
.iso-wave { animation: blink 2.8s infinite; }
.iso-float { animation: floaty 8s ease-in-out infinite; }
.iso-float--2 { animation-delay: 2s; }
.iso-bird { animation: birdBob 4s ease-in-out infinite; }
@keyframes birdBob { 50% { transform: translate(10px, -8px); } }

/* ── marquee ─────────────────────────────────────────── */
.marquee { overflow: hidden; border-block: 1px solid rgba(247,244,238,.08); padding: 1.1rem 0; background: var(--ink-2); }
.marquee__track { display: flex; gap: 2.6rem; width: max-content; will-change: transform; }
.marquee__track span { font-family: var(--font-display); font-size: 1.05rem; font-weight: 500; color: var(--sand); white-space: nowrap; }
.marquee__track i { color: var(--hibisco); font-style: normal; }

/* ── servicios ───────────────────────────────────────── */
.services { position: relative; background: var(--ink); padding-bottom: clamp(4rem, 8vw, 8rem); }
.services__grid {
  display: grid; gap: 1.2rem; padding: 0 var(--pad);
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  max-width: 1500px; margin: 0 auto;
}
.service-card {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--ink-2), var(--ink-3));
  border: 1px solid rgba(247,244,238,.07);
  border-radius: var(--radius); padding: 2.2rem 1.9rem 2rem;
  transition: border-color .4s, transform .5s var(--ease), box-shadow .5s;
}
.service-card::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(245,184,65,.13), transparent 65%);
  opacity: 0; transition: opacity .4s;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { border-color: rgba(245,184,65,.35); transform: translateY(-6px); box-shadow: 0 24px 60px -28px rgba(0,0,0,.8); }
.service-card__icon { width: 64px; height: 64px; margin-bottom: 1.4rem; transition: transform .5s var(--ease); }
.service-card:hover .service-card__icon { transform: translateY(-5px) rotate(-3deg); }
.service-card h3 { font-size: 1.35rem; margin-bottom: .7rem; }
.service-card p { color: var(--muted); font-size: .95rem; }
.service-card__num {
  position: absolute; top: 1.4rem; right: 1.6rem;
  font-family: var(--font-display); font-size: 1.3rem; color: rgba(247,244,238,.18);
}

/* ── flujo ───────────────────────────────────────────── */
.flow { background: linear-gradient(180deg, var(--ink) 0%, var(--ocean) 45%, #0A2230 100%); position: relative; }
.flow__stage { position: relative; max-width: 1200px; margin: 0 auto; padding: 0 var(--pad) clamp(5rem, 9vw, 8rem); }
#flowSvg { width: 100%; height: auto; overflow: visible; }
.flow-label {
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  fill: var(--sand); text-anchor: middle; letter-spacing: .04em;
}
.flow-node { cursor: pointer; transition: filter .3s; }
.flow-node:hover { filter: brightness(1.25) drop-shadow(0 0 14px rgba(245,184,65,.35)); }
.flow-node__glow { filter: drop-shadow(0 0 8px rgba(245,184,65,.18)); }
.flow-wire { stroke: rgba(232,220,200,.18); stroke-width: 2; }
.flow-sun__rays { animation: sunSpin 26s linear infinite; transform-origin: 0 0; }
.flow-bulb { animation: blink 2.6s infinite; }
.flow-batt-pct { font-family: var(--font-display); font-size: 17px; font-weight: 600; fill: var(--ink); }
.flow__tooltip {
  position: absolute; z-index: 5; pointer-events: none;
  max-width: 270px; padding: .8rem 1rem; border-radius: 12px;
  background: rgba(11,14,17,.92); border: 1px solid rgba(245,184,65,.4);
  backdrop-filter: blur(8px);
  font-size: .85rem; color: var(--sand); line-height: 1.5;
  opacity: 0; transform: translateY(8px) scale(.96);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.flow__tooltip.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.energy-dot { fill: var(--gold); filter: drop-shadow(0 0 6px var(--gold)); }
.energy-dot--teal { fill: var(--teal); filter: drop-shadow(0 0 6px var(--teal)); }

/* ── casos ───────────────────────────────────────────── */
.cases { position: relative; background: var(--ink); padding-bottom: clamp(4rem, 8vw, 7rem); }
.cases__list { border-top: 1px solid rgba(247,244,238,.1); margin: 0 var(--pad); max-width: 1500px; }
@media (min-width: 1620px) { .cases__list { margin: 0 auto; } }
.case-row {
  display: grid; grid-template-columns: 4rem 1fr 1.4fr 3rem; gap: 1.5rem; align-items: center;
  padding: 2rem .8rem; border-bottom: 1px solid rgba(247,244,238,.1);
  position: relative; overflow: hidden; isolation: isolate;
  transition: padding-left .5s var(--ease);
}
.case-row::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(46,158,107,.14), rgba(245,184,65,.08) 50%, transparent 80%);
  transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease);
}
.case-row:hover::before { transform: scaleY(1); }
.case-row:hover { padding-left: 1.6rem; }
.case-row__index { font-family: var(--font-display); color: var(--gold); opacity: .65; font-size: 1rem; }
.case-row h3 { font-size: clamp(1.3rem, 2.6vw, 2rem); transition: color .3s; }
.case-row:hover h3 { color: var(--gold-2); }
.case-row p { color: var(--muted); font-size: .94rem; max-width: 52ch; }
.case-row__arrow { font-size: 1.5rem; color: var(--gold); transform: translateX(-10px); opacity: 0; transition: transform .4s var(--ease), opacity .4s; }
.case-row:hover .case-row__arrow { transform: translateX(0); opacity: 1; }

/* ── por qué ─────────────────────────────────────────── */
.why { position: relative; background: linear-gradient(165deg, var(--ocean) 0%, var(--ink-2) 70%); overflow: hidden; }
.why__pattern {
  position: absolute; inset: 0; opacity: .045; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='60' viewBox='0 0 120 60'%3E%3Cpath d='M0 30 q15 -22 30 0 t30 0 t30 0 t30 0' fill='none' stroke='%23F5B841' stroke-width='2'/%3E%3C/svg%3E");
}
.why__inner {
  position: relative; display: grid; gap: clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: 1fr; max-width: 1300px; margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) var(--pad);
}
@media (min-width: 900px) { .why__inner { grid-template-columns: 1fr 1.1fr; } }
.why__text p:not(.eyebrow) { margin-top: 1.6rem; color: var(--muted); max-width: 46ch; font-size: 1.05rem; }
.why__moai { margin-top: 2.4rem; max-width: 340px; border-radius: 14px; overflow: hidden; background: linear-gradient(180deg, #2C4A5C, #15222C); }
.why__points { list-style: none; display: grid; gap: .6rem; align-content: center; }
.why__points li {
  padding: 1.3rem 1.5rem; border-radius: 14px;
  background: rgba(247,244,238,.035); border: 1px solid rgba(247,244,238,.07);
  transition: transform .45s var(--ease), border-color .35s, background .35s;
}
.why__points li:hover { transform: translateX(8px); border-color: rgba(245,184,65,.4); background: rgba(245,184,65,.06); }
.why__points strong { display: block; font-family: var(--font-display); font-size: 1.12rem; font-weight: 600; color: var(--gold-2); margin-bottom: .25rem; }
.why__points span { color: var(--muted); font-size: .92rem; }

/* ── proyectos ───────────────────────────────────────── */
.projects { background: var(--ink); padding-bottom: clamp(5rem, 9vw, 8rem); }
.projects__grid {
  display: grid; gap: 1.4rem; padding: 0 var(--pad);
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  max-width: 1500px; margin: 0 auto;
}
.project-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--ink-2); border: 1px solid rgba(247,244,238,.08);
  transition: transform .5s var(--ease), border-color .4s, box-shadow .5s;
}
.project-card:hover { transform: translateY(-8px); border-color: rgba(245,184,65,.35); box-shadow: 0 30px 70px -30px rgba(0,0,0,.85); }
.project-card__visual { position: relative; aspect-ratio: 15/8; overflow: hidden; }
.project-card__visual svg, .project-card__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project-card:hover .project-card__visual svg, .project-card:hover .project-card__visual img { transform: scale(1.06); }
.project-card__visual--a { background: linear-gradient(180deg, #1E4A3D, #0F2B24); }
.project-card__visual--b { background: linear-gradient(180deg, #14303F, #0C2330); }
.project-card__visual--c { background: linear-gradient(180deg, #3A2A33 0%, #14202B 70%); }
.project-card__body { padding: 1.7rem 1.6rem 1.9rem; }
.project-card__tag { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--teal); }
.project-card h3 { font-size: 1.32rem; margin: .65rem 0 1.1rem; }
.project-card__specs { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; }
.project-card__specs li {
  font-size: .78rem; color: var(--sand); padding: .35em .85em;
  border: 1px solid rgba(232,220,200,.22); border-radius: 100px;
}
.project-card__specs strong { color: var(--gold); font-weight: 600; }
.project-card__impact span { display: block; height: 4px; border-radius: 4px; background: rgba(247,244,238,.1); overflow: hidden; }
.project-card__impact span::after {
  content: ''; display: block; height: 100%; width: var(--p, 0%);
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: inherit; transform: scaleX(0); transform-origin: left;
  transition: transform 1.4s var(--ease) .2s;
}
.project-card.in-view .project-card__impact span::after { transform: scaleX(1); }
.project-card__impact em { display: block; margin-top: .55rem; font-style: normal; font-size: .85rem; color: var(--muted); }

/* ── diseñador ───────────────────────────────────────── */
.builder { position: relative; background: linear-gradient(180deg, var(--ink) 0%, var(--ocean) 60%, var(--ocean-2) 100%); padding-bottom: clamp(5rem, 9vw, 9rem); }

.builder__mode {
  display: grid; gap: 1rem; grid-template-columns: 1fr;
  max-width: 1200px; margin: 0 auto 1.4rem; padding: 0 var(--pad);
}
@media (min-width: 640px) { .builder__mode { grid-template-columns: 1fr 1fr; } }
.mode-card {
  display: grid; grid-template-columns: 56px 1fr; grid-template-rows: auto auto;
  column-gap: 1.1rem; align-items: center; text-align: left;
  padding: 1.3rem 1.5rem; border-radius: var(--radius);
  background: rgba(11,14,17,.5); border: 1.5px solid rgba(247,244,238,.12);
  transition: border-color .35s, background .35s, transform .4s var(--ease);
}
.mode-card svg { grid-row: span 2; width: 52px; height: 52px; }
.mode-card strong { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.mode-card span { font-size: .85rem; color: var(--muted); }
.mode-card:hover { transform: translateY(-3px); border-color: rgba(245,184,65,.5); }
.mode-card.is-active {
  border-color: var(--gold); background: rgba(245,184,65,.1);
  box-shadow: 0 14px 40px -18px rgba(245,184,65,.5);
}

.builder__panel {
  display: grid; gap: 1.4rem; max-width: 1200px; margin: 0 auto; padding: 0 var(--pad);
  grid-template-columns: 1fr;
}
@media (min-width: 950px) { .builder__panel { grid-template-columns: 1.25fr 1fr; } }
.builder__controls {
  background: rgba(11,14,17,.55); border: 1px solid rgba(247,244,238,.1);
  border-radius: var(--radius); padding: clamp(1.6rem, 3vw, 2.6rem);
  display: grid; gap: 2.2rem; backdrop-filter: blur(10px);
}
.builder__group { border: 0; }
.builder__group legend { font-family: var(--font-display); font-weight: 500; font-size: 1.08rem; margin-bottom: 1rem; color: var(--sand); }
.builder__group output { color: var(--gold); font-weight: 600; }
.chip-row { display: flex; flex-wrap: wrap; gap: .55rem; }
.chip {
  padding: .6em 1.25em; border-radius: 100px; font-size: .9rem; font-weight: 500;
  border: 1.5px solid rgba(232,220,200,.25); color: var(--sand);
  transition: all .35s var(--ease);
}
.chip:hover { border-color: var(--gold); transform: translateY(-2px); }
.chip.is-active { background: var(--gold); border-color: var(--gold); color: var(--ink); box-shadow: 0 8px 26px -10px rgba(245,184,65,.7); }
input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 4px;
  background: linear-gradient(90deg, var(--gold) var(--fill, 20%), rgba(247,244,238,.15) var(--fill, 20%));
  outline: none;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-2); border: 3px solid var(--ink);
  box-shadow: 0 0 0 2px var(--gold), 0 4px 14px rgba(0,0,0,.5);
  cursor: grab; transition: transform .25s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.18); }
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-2); border: 3px solid var(--ink);
  box-shadow: 0 0 0 2px var(--gold); cursor: grab;
}
.range-marks { display: flex; justify-content: space-between; margin-top: .6rem; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.builder__result {
  background: linear-gradient(160deg, rgba(245,184,65,.12), rgba(57,192,165,.07)), rgba(11,14,17,.6);
  border: 1px solid rgba(245,184,65,.3); border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  display: flex; flex-direction: column; gap: 1.4rem; backdrop-filter: blur(10px);
}
.builder__result-label { font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--teal); }
.builder__readouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.readout strong { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--gold); display: block; line-height: 1; }
.readout span { font-size: .76rem; color: var(--muted); display: block; margin-top: .35rem; }
.builder__note { color: var(--sand); font-size: .94rem; min-height: 3em; }
.builder__result .btn { align-self: flex-start; }

/* SASIPA */
.builder__panel--grid .builder__controls { align-content: start; }
.sasipa { display: grid; gap: 1.6rem; }
.sasipa__head { display: grid; grid-template-columns: 48px 1fr; gap: 1.1rem; align-items: start; }
.sasipa__head h3 { font-size: 1.3rem; margin-bottom: .4rem; }
.sasipa__head p { color: var(--muted); font-size: .94rem; }
.sasipa__form { display: grid; gap: .9rem; }
@media (min-width: 560px) { .sasipa__form { grid-template-columns: 1fr auto; align-items: stretch; } }
.field--dark input {
  width: 100%; height: 100%; padding: 1.25em 1.2em .75em; border-radius: 12px;
  background: rgba(247,244,238,.07); border: 1.5px solid rgba(247,244,238,.2);
  font: inherit; color: var(--white); outline: none;
  transition: border-color .3s, background .3s;
}
.field--dark input:focus { border-color: var(--gold); background: rgba(247,244,238,.1); }
.field--dark label {
  position: absolute; left: 1.2em; top: 1em; pointer-events: none;
  color: var(--muted); font-size: .95rem; transition: all .3s var(--ease);
}
.field--dark input:focus + label, .field--dark input:not(:placeholder-shown) + label {
  top: .35em; font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold);
}
.sasipa__hint { font-size: .78rem; color: var(--muted); opacity: .8; }

.builder__result--sasipa { border-color: rgba(43,114,196,.5); background: linear-gradient(160deg, rgba(31,95,168,.18), rgba(57,192,165,.06)), rgba(11,14,17,.6); }
.sasipa__empty { display: grid; place-items: center; gap: 1.2rem; text-align: center; padding: 2rem 1rem; color: var(--muted); font-size: .94rem; }
.sasipa__empty svg { width: 130px; }
.sasipa__spin { animation: sunSpin 8s linear infinite; transform-origin: 60px 22px; }
.sasipa__report { display: flex; flex-direction: column; gap: 1.3rem; }
.sasipa__chart {
  display: flex; gap: .45rem; align-items: end; height: 110px;
  padding-bottom: .4rem; border-bottom: 1px solid rgba(247,244,238,.15);
}
.sbar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: .3rem; height: 100%; }
.sbar i {
  display: block; width: 100%; height: var(--v);
  background: linear-gradient(180deg, var(--victron-2), var(--victron));
  border-radius: 4px 4px 2px 2px;
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .8s var(--ease);
}
.sasipa__report.is-on .sbar i { transform: scaleY(1); }
.sbar:nth-child(2n) i { transition-delay: .08s; }
.sbar:nth-child(3n) i { transition-delay: .16s; }
.sbar b { font-size: .6rem; color: var(--muted); font-weight: 500; }
.sasipa__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.builder__result--sasipa .readout strong { color: var(--victron-2); }

/* ── contacto ────────────────────────────────────────── */
.contact { position: relative; overflow: hidden; background: linear-gradient(180deg, #FFD37A 0%, #F5A05A 45%, #E8745B 100%); color: var(--ink); }
.contact .deco { opacity: .9; }
.contact__inner { position: relative; max-width: 760px; margin: 0 auto; padding: clamp(5rem, 11vw, 10rem) var(--pad) clamp(7rem, 13vw, 12rem); text-align: center; }
.contact h2 { color: var(--ink); }
.contact__sub { margin: 1.2rem auto 3rem; color: rgba(11,14,17,.7); max-width: 40ch; font-weight: 500; }
.contact__form { display: grid; gap: 1.1rem; grid-template-columns: 1fr 1fr; text-align: left; }
.field { position: relative; }
.field--full { grid-column: 1 / -1; }
.contact .field input, .contact .field textarea {
  width: 100%; padding: 1.15em 1.2em .7em; border-radius: 12px;
  background: rgba(247,244,238,.55); border: 1.5px solid rgba(11,14,17,.18);
  font: inherit; color: var(--ink); resize: none; outline: none;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.contact .field input:focus, .contact .field textarea:focus { border-color: var(--ink); background: rgba(247,244,238,.85); box-shadow: 0 6px 24px -10px rgba(11,14,17,.35); }
.contact .field label {
  position: absolute; left: 1.2em; top: .95em; pointer-events: none;
  color: rgba(11,14,17,.55); font-size: .95rem;
  transition: all .3s var(--ease);
}
.contact .field input:focus + label, .contact .field input:not(:placeholder-shown) + label,
.contact .field textarea:focus + label, .contact .field textarea:not(:placeholder-shown) + label {
  top: .32em; font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink);
}
.contact__success {
  grid-column: 1 / -1; text-align: center; font-weight: 600; color: var(--ink);
  opacity: 0; transform: translateY(8px); transition: all .5s var(--ease);
}
.contact__success.is-visible { opacity: 1; transform: none; }
.contact__wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 70px; }

/* ── footer ──────────────────────────────────────────── */
.footer { position: relative; background: var(--ink); overflow: hidden; }
.footer__pattern {
  position: absolute; inset: auto 0 0 0; height: 90px; opacity: .06; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='40' viewBox='0 0 80 40'%3E%3Cpath d='M0 20 L20 4 L40 20 L60 4 L80 20' fill='none' stroke='%23F5B841' stroke-width='2'/%3E%3C/svg%3E");
}
.footer__inner {
  position: relative; max-width: 1300px; margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--pad) 4rem;
  display: grid; gap: 2.2rem;
}
@media (min-width: 760px) { .footer__inner { grid-template-columns: 1fr auto; } .footer__legal { grid-column: 1 / -1; } }
.footer__logo { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; }
.footer__logo em { font-style: normal; color: var(--gold); }
.footer__tag { color: var(--muted); font-size: .9rem; margin-top: .6rem; }
.footer__links { display: flex; flex-direction: column; gap: .55rem; font-size: .92rem; }
.footer__links a { color: var(--muted); transition: color .3s, transform .3s; }
.footer__links a:hover { color: var(--gold); transform: translateX(4px); }
.footer__legal { color: rgba(143,163,176,.55); font-size: .76rem; max-width: 64ch; }

/* ── responsive ──────────────────────────────────────── */
@media (max-width: 880px) {
  .nav__links { display: none; }
  .case-row { grid-template-columns: 2.4rem 1fr 2rem; }
  .case-row p { grid-column: 2; }
  .contact__form { grid-template-columns: 1fr; }
  .hero__scroll { display: none; }
  .deco--h2, .deco--s1 { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}