/* =========================================================
   IntegraTIC Llanos · Hoja de estilos principal
   Paleta: azul oscuro (confianza · tecnología) + naranja (energía · acción)
   ========================================================= */

:root {
  /* Brand */
  --c-primary: #0B2447;
  --c-primary-2: #19376D;
  --c-accent: #FF7A1A;
  --c-accent-2: #FFB347;

  /* Neutral */
  --c-bg: #FFFFFF;
  --c-bg-alt: #F5F7FB;
  --c-bg-dark: #0B2447;
  --c-text: #1A2233;
  --c-text-soft: #4A5568;
  --c-text-muted: #7A8699;
  --c-border: #E2E8F0;

  /* Semantic */
  --c-success: #16A34A;
  --c-info: #2563EB;
  --c-whatsapp: #25D366;

  /* Typography */
  --ff-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --ff-display: 'Space Grotesk', var(--ff-body);

  /* Spacing & radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 28px;

  /* Shadows */
  --sh-sm: 0 2px 8px rgba(11,36,71,.06);
  --sh-md: 0 8px 24px rgba(11,36,71,.10);
  --sh-lg: 0 18px 50px rgba(11,36,71,.16);

  /* Layout */
  --container: 1180px;
  --nav-h: 72px;
}

/* =========================================================
   Base
   ========================================================= */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--c-primary-2); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-accent); }

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  color: var(--c-primary);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--c-text-soft); }

ul { padding: 0; margin: 0; list-style: none; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section--alt  { background: var(--c-bg-alt); }
.section--dark { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-2) 100%); color: #fff; }

.section__title { text-align: center; margin-bottom: .4em; }
.section__title--light { color: #fff; }
.section__lead   { text-align: center; max-width: 720px; margin: 0 auto 3rem; color: var(--c-text-soft); }
.section__lead--light { color: rgba(255,255,255,.85); }

.muted { color: var(--c-text-muted); }
.small { font-size: .85rem; }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-align: center;
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary   { background: var(--c-accent); color: #fff; box-shadow: 0 8px 20px rgba(255,122,26,.35); }
.btn--primary:hover { background: #ff8a36; color: #fff; }

.btn--secondary { background: var(--c-primary); color: #fff; }
.btn--secondary:hover { background: var(--c-primary-2); color: #fff; }

.btn--ghost   { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--ghost:hover { background: var(--c-primary); color: #fff; }

.btn--whatsapp { background: var(--c-whatsapp); color: #fff; }
.btn--whatsapp:hover { background: #1ebe57; color: #fff; }

.btn--sm    { padding: .55rem 1.1rem; font-size: .85rem; }
.btn--block { display: flex; width: 100%; }

.link-arrow {
  display: inline-block;
  margin-top: .8rem;
  color: var(--c-accent);
  font-weight: 600;
  font-family: var(--ff-display);
  font-size: .92rem;
}
.link-arrow:hover { color: var(--c-primary); }

.chip {
  display: inline-block;
  padding: .35rem .9rem;
  border-radius: 999px;
  background: rgba(255,122,26,.12);
  color: var(--c-accent);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

/* =========================================================
   Navbar
   ========================================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  height: var(--nav-h);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--c-primary);
  font-weight: 700;
}
.nav__logo { width: 36px; height: 36px; }
.nav__name { font-family: var(--ff-display); font-size: 1.15rem; }
.nav__name em { font-style: normal; color: var(--c-accent); }

.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  color: var(--c-text);
  font-weight: 500;
  font-size: .95rem;
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--c-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav__links a:hover { color: var(--c-primary); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav__toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 7rem;
  background: linear-gradient(135deg, #061633 0%, var(--c-primary) 50%, var(--c-primary-2) 100%);
  color: #fff;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255,122,26,.18) 0, transparent 35%),
                    radial-gradient(circle at 85% 70%, rgba(25,55,109,.55) 0, transparent 50%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero__copy h1 { color: #fff; }
.hero__copy h1 strong { color: var(--c-accent); }
.hero__lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,.85);
  max-width: 560px;
  margin-bottom: 2rem;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero__cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,.5); background: transparent; }
.hero__cta .btn--ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.hero__trust { display: grid; gap: .5rem; color: rgba(255,255,255,.75); font-size: .92rem; }
.hero__trust strong { color: var(--c-accent-2); }

.hero__art { display: flex; justify-content: center; }
.hero__svg { max-width: 480px; filter: drop-shadow(0 20px 40px rgba(0,0,0,.4)); }

.hero__wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  line-height: 0;
}
.hero__wave svg { width: 100%; height: 80px; }

/* =========================================================
   Sectores
   ========================================================= */

.sectores__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
}
.sector {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.sector:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
  border-color: var(--c-accent);
}
.sector__icon { font-size: 2.4rem; display: block; margin-bottom: .6rem; }
.sector h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.sector p { font-size: .88rem; color: var(--c-text-muted); margin: 0; }

/* =========================================================
   Servicios
   ========================================================= */

.servicios__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.servicio-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.8rem 1.6rem;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.servicio-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
}
.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-md);
  border-color: rgba(255,122,26,.35);
}
.servicio-card:hover::before { transform: scaleX(1); }

.servicio-card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(11,36,71,.08), rgba(255,122,26,.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.servicio-card h3 { margin-bottom: .5rem; }
.servicio-card p  { margin-bottom: .8rem; font-size: .95rem; }

.servicio-card__sub {
  margin-bottom: 1rem;
  font-size: .87rem;
  color: var(--c-text-soft);
}
.servicio-card__sub li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: .25rem;
}
.servicio-card__sub li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--c-accent);
  font-weight: 700;
}

.servicio-card--feature {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-2) 100%);
  color: #fff;
  border: none;
  justify-content: center;
  text-align: center;
}
.servicio-card--feature h3 { color: #fff; }
.servicio-card--feature p  { color: rgba(255,255,255,.85); }
.servicio-card--feature .servicio-card__icon {
  background: rgba(255,255,255,.15);
  margin: 0 auto 1rem;
}

/* =========================================================
   Diferenciadores
   ========================================================= */

.dif__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.dif__item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  padding: 1.8rem;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.dif__item:hover {
  background: rgba(255,255,255,.10);
  border-color: var(--c-accent);
  transform: translateY(-4px);
}
.dif__num {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--c-accent);
  margin-bottom: .6rem;
}
.dif__item h3 { color: #fff; }
.dif__item p  { color: rgba(255,255,255,.85); font-size: .95rem; margin: 0; }

/* =========================================================
   Portafolio (casos)
   ========================================================= */

.portafolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.case {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.case:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }

.case__img {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.case__img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,36,71,.4));
}
/* Imágenes ilustradas con CSS gradients (sustituir por fotos reales en /assets/img/) */
.case__img--solar { background: linear-gradient(135deg, #FF7A1A, #FFB347), url("./../assets/img/case-solar.jpg") center/cover; background-blend-mode: multiply; }
.case__img--cctv  { background: linear-gradient(135deg, #19376D, #0B2447); }
.case__img--plc   { background: linear-gradient(135deg, #2563EB, #19376D); }
.case__img--red   { background: linear-gradient(135deg, #16A34A, #19376D); }
.case__img--domo  { background: linear-gradient(135deg, #9333EA, #19376D); }
.case__img--electrica { background: linear-gradient(135deg, #FACC15, #FF7A1A); }

.case__body { padding: 1.4rem 1.5rem 1.6rem; flex: 1; display: flex; flex-direction: column; }
.case__tag {
  display: inline-block;
  padding: .25rem .7rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
  background: rgba(255,122,26,.12);
  color: var(--c-accent);
  border-radius: 999px;
  margin-bottom: .6rem;
  align-self: flex-start;
}
.case__metrics {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}
.case__metrics li { font-size: .82rem; color: var(--c-text-muted); }
.case__metrics strong { display: block; color: var(--c-primary); font-size: 1.05rem; }

/* =========================================================
   Testimonios
   ========================================================= */

.testi__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.testi__card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 1.8rem;
  box-shadow: var(--sh-sm);
  margin: 0;
  position: relative;
}
.testi__card::before {
  content: "“";
  position: absolute;
  top: -10px; left: 18px;
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--c-accent);
  line-height: 1;
}
.testi__card blockquote { margin: 0 0 1rem; font-size: 1rem; color: var(--c-text); font-style: italic; }
.testi__card figcaption strong { display: block; color: var(--c-primary); }
.testi__card figcaption span { font-size: .85rem; color: var(--c-text-muted); }
.testi__note { text-align: center; color: var(--c-text-muted); font-size: .8rem; margin-top: 1.5rem; }

/* =========================================================
   Calculadora
   ========================================================= */

.calc__wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  background: #fff;
  border-radius: var(--r-xl);
  padding: 2.5rem;
  box-shadow: var(--sh-md);
}
.calc__form .form-row { margin-bottom: 1.2rem; }
.calc__result {
  background: linear-gradient(160deg, var(--c-primary), var(--c-primary-2));
  color: #fff;
  border-radius: var(--r-lg);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
}
.calc__result h3 { color: #fff; margin-bottom: 1rem; }
.calc__metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .8rem 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
  font-size: .92rem;
}
.calc__metric:last-of-type { border-bottom: none; }
.calc__metric span { color: rgba(255,255,255,.8); }
.calc__metric strong { color: var(--c-accent-2); font-family: var(--ff-display); font-size: 1.15rem; }
.calc__disclaimer { color: rgba(255,255,255,.6); font-size: .75rem; margin-top: 1rem; text-align: center; }

/* =========================================================
   Forms (común)
   ========================================================= */

.form { background: #fff; border-radius: var(--r-lg); padding: 2rem; box-shadow: var(--sh-sm); }
.form-row { margin-bottom: 1rem; display: flex; flex-direction: column; }
.form-row--two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row--two > div { display: flex; flex-direction: column; }

label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--c-primary);
  margin-bottom: .35rem;
}
small { color: var(--c-text-muted); font-size: .78rem; margin-top: .25rem; }
input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: .75rem .9rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  background: #fff;
  color: var(--c-text);
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255,122,26,.15);
}
input.invalid, select.invalid, textarea.invalid { border-color: #DC2626; }
textarea { resize: vertical; }

.check {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .85rem;
  color: var(--c-text-soft);
  margin-bottom: 1rem;
  font-weight: 400;
}
.check input { width: auto; }

.form__status { margin-top: 1rem; font-weight: 600; }
.form__status.ok    { color: var(--c-success); }
.form__status.error { color: #DC2626; }

/* =========================================================
   Blog
   ========================================================= */

.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.post {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.post:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.post__img { height: 160px; }
.post__img--1 { background: linear-gradient(135deg, #9333EA, var(--c-primary-2)); }
.post__img--2 { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2)); }
.post__img--3 { background: linear-gradient(135deg, #16A34A, var(--c-primary-2)); }
.post__body { padding: 1.4rem 1.5rem 1.6rem; }
.post__tag {
  display: inline-block; padding: .2rem .65rem; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
  background: rgba(11,36,71,.08); color: var(--c-primary);
  border-radius: 999px; margin-bottom: .55rem;
}
.post h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.post p  { font-size: .9rem; }

/* =========================================================
   Contacto
   ========================================================= */

.contacto__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: start;
}
.contacto__list { margin: 1.2rem 0 1.5rem; }
.contacto__list li {
  display: flex; align-items: center; gap: .7rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-soft);
  font-size: .95rem;
}
.contacto__list a { color: var(--c-primary); font-weight: 600; }
.contacto__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.calendly__embed {
  margin: 3rem 0;
  background: #fff;
  border: 2px dashed var(--c-border);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  text-align: center;
}
.calendly__embed h3 { margin-bottom: .4rem; }

.map {
  margin-top: 1rem;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  height: 360px;
}
.map iframe { width: 100%; height: 100%; border: 0; }

/* =========================================================
   Footer
   ========================================================= */

.footer {
  background: #061633;
  color: rgba(255,255,255,.78);
  padding: 4rem 0 1.5rem;
  font-size: .9rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer h4 { color: #fff; margin-bottom: .8rem; font-size: .95rem; text-transform: uppercase; letter-spacing: .05em; }
.footer ul li a { color: rgba(255,255,255,.7); display: block; padding: .25rem 0; }
.footer ul li a:hover { color: var(--c-accent); }
.footer__about { font-size: .9rem; margin: 1rem 0 .5rem; color: rgba(255,255,255,.7); }
.footer__legal { font-size: .8rem; color: rgba(255,255,255,.5); }

.footer__certs { display: flex; flex-wrap: wrap; gap: .4rem; }
.badge {
  display: inline-block;
  padding: .3rem .7rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  color: #fff;
}

.footer__social { display: flex; gap: .6rem; margin-top: .5rem; }
.footer__social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: .85rem;
  transition: background .2s;
}
.footer__social a:hover { background: var(--c-accent); }

.footer__bottom {
  padding-top: 1.5rem;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}

/* =========================================================
   Floating WhatsApp
   ========================================================= */

.float-wa {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 60px; height: 60px;
  background: var(--c-whatsapp);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 25px rgba(37,211,102,.45);
  z-index: 60;
  transition: transform .2s ease, box-shadow .2s ease;
  animation: pulseWA 2.4s infinite;
}
.float-wa:hover { transform: scale(1.08); color: #fff; }
@keyframes pulseWA {
  0%, 100% { box-shadow: 0 10px 25px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.5); }
  50%      { box-shadow: 0 10px 25px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
}

/* =========================================================
   Asistente
   ========================================================= */

.support-fab {
  position: fixed;
  right: 22px; bottom: 96px;
  width: 56px; height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--c-primary);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(11,36,71,.35);
  z-index: 60;
  transition: transform .2s, background .2s;
}
.support-fab:hover { transform: scale(1.08); background: var(--c-primary-2); }

.support-panel[hidden] { display: none !important; }
.support-panel {
  position: fixed;
  right: 22px; bottom: 165px;
  width: min(360px, calc(100vw - 44px));
  height: 480px;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 65;
  border: 1px solid var(--c-border);
  animation: slideUp .25s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(15px); }
  to   { opacity: 1; transform: translateY(0); }
}
.support-panel__head {
  background: var(--c-primary);
  color: #fff;
  padding: .9rem 1rem;
  display: flex; align-items: center; justify-content: space-between;
}
.support-panel__close {
  background: none; border: none; color: #fff;
  font-size: 1.2rem; cursor: pointer;
}
.support-panel__body {
  flex: 1; overflow-y: auto; padding: 1rem;
  background: var(--c-bg-alt);
  display: flex; flex-direction: column; gap: .6rem;
}
.bot-msg, .user-msg {
  max-width: 85%;
  padding: .65rem .9rem;
  border-radius: 14px;
  font-size: .9rem;
  line-height: 1.45;
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.bot-msg  { background: #fff; color: var(--c-text); align-self: flex-start; box-shadow: var(--sh-sm); }
.user-msg { background: var(--c-primary); color: #fff; align-self: flex-end; }

.support-panel__chips {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-top: .3rem;
}
.support-panel__chips button {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: .35rem .8rem;
  font-size: .78rem;
  cursor: pointer;
  color: var(--c-primary);
  transition: background .2s, color .2s, border-color .2s;
}
.support-panel__chips button:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}
.support-panel__foot {
  padding: .6rem; display: flex; gap: .4rem;
  border-top: 1px solid var(--c-border); background: #fff;
}
.support-panel__foot input {
  flex: 1; padding: .55rem .8rem; font-size: .9rem;
  border-radius: 999px; border: 1.5px solid var(--c-border);
}
.support-panel__foot input:focus { outline: none; border-color: var(--c-accent); }
.support-panel__foot button {
  background: var(--c-accent); color: #fff;
  border: none; border-radius: 999px;
  padding: 0 1rem; cursor: pointer; font-weight: 600;
}

/* =========================================================
   Reveal animations
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 960px) {
  .hero__inner       { grid-template-columns: 1fr; text-align: center; }
  .hero__copy        { display: flex; flex-direction: column; align-items: center; }
  .hero__lead        { margin-inline: auto; }
  .hero__cta         { justify-content: center; }
  .hero__trust       { text-align: left; }

  .calc__wrap        { grid-template-columns: 1fr; padding: 1.8rem; }
  .contacto__inner   { grid-template-columns: 1fr; }
  .footer__grid      { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1.5rem 1.5rem 2rem;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--sh-md);
    transform: translateY(-150%);
    transition: transform .3s ease;
    gap: 1rem;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__cta   { display: none; }
  .nav__toggle { display: flex; }

  .form-row--two { grid-template-columns: 1fr; }
  .footer__grid  { grid-template-columns: 1fr; }
  .float-wa { width: 54px; height: 54px; right: 16px; bottom: 16px; }
  .support-fab { right: 16px; bottom: 82px; }
  .support-panel     { right: 16px; bottom: 145px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
}