/* ============================================================
   SOLARNORTE — solarnorte.com.mx
   Sistema de diseño según Guía de Marca v1
   Azul norte #0E2233 · Arena #F7F3EC · Naranja solar #F59E0B
   Verde ahorro #1F9D6B / #3FBF8A (exclusivo cifras de ahorro)
   Space Grotesk (titulares) · Manrope (cuerpo)
   ============================================================ */

:root {
  --azul: #0E2233;
  --azul-deep: #081826;
  --azul-void: #060F18;
  --arena: #F7F3EC;
  --arena-dim: #EFE9DD;
  --blanco: #FFFFFF;
  --naranja: #F59E0B;
  --naranja-hover: #DB8C07;
  --verde: #1F9D6B;
  --verde-claro: #3FBF8A;
  --tinta: #33424E;
  --tinta-suave: #5A6772;
  --linea: #E8E0D2;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --radius: 10px;
  --radius-lg: 18px;
  --container: 1200px;
  --shadow-soft: 0 4px 20px rgba(14, 34, 51, 0.06);
  --shadow-med: 0 10px 34px rgba(14, 34, 51, 0.12);
}

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

html { scroll-behavior: smooth; }

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

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Tipografía ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; letter-spacing: -0.01em; line-height: 1.3; }

.kicker {
  display: inline-block;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 16px;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--tinta-suave);
  max-width: 620px;
}

.dark .lead, .dark p { color: rgba(247, 243, 236, 0.72); }

/* Cifras de ahorro: ÚNICO uso permitido del verde */
.cifra-ahorro {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--verde);
}
.dark .cifra-ahorro { color: var(--verde-claro); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--naranja); color: var(--azul); }
.btn-primary:hover { background: var(--naranja-hover); }

.btn-dark { background: var(--azul); color: var(--arena); }
.btn-dark:hover { background: var(--azul-deep); }

.btn-ghost {
  background: rgba(247, 243, 236, 0.06);
  color: var(--arena);
  border: 1px solid rgba(247, 243, 236, 0.25);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(247, 243, 236, 0.55); background: rgba(247, 243, 236, 0.1); }

.btn svg { flex-shrink: 0; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  background: linear-gradient(to bottom, rgba(6, 15, 24, 0.85), rgba(6, 15, 24, 0));
}
.header.scrolled {
  background: rgba(8, 24, 38, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(247, 243, 236, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--arena);
}
.logo svg { width: 36px; height: 36px; }
.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.06em;
}
.logo-word span { color: var(--naranja); }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  color: rgba(247, 243, 236, 0.78);
  font-weight: 600;
  font-size: 14.5px;
  padding: 9px 14px;
  border-radius: 7px;
  transition: color 0.15s, background 0.15s;
}
.nav a:hover { color: var(--arena); background: rgba(247, 243, 236, 0.07); }
.nav a.active { color: var(--naranja); }
.nav .btn { margin-left: 12px; padding: 11px 20px; font-size: 14px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--arena);
  cursor: pointer;
  padding: 8px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  color: var(--arena);
  isolation: isolate;
  overflow: hidden;
}
.hero.hero-sub { min-height: 72vh; }

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
}
/* Overlay azul ≥40% según guía de marca */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, var(--azul-void) 4%, rgba(8, 24, 38, 0.72) 42%, rgba(8, 24, 38, 0.44) 100%);
}

.hero-content {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 150px 24px 90px;
}
.hero-content .lead { color: rgba(247, 243, 236, 0.82); margin-top: 22px; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 243, 236, 0.85);
  background: rgba(247, 243, 236, 0.07);
  border: 1px solid rgba(247, 243, 236, 0.16);
  backdrop-filter: blur(10px);
  padding: 8px 14px;
  border-radius: 999px;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--naranja); }

/* ---------- Franja de confianza (glass sobre hero) ---------- */
.trust-strip {
  background: var(--azul-void);
  color: var(--arena);
  border-top: 1px solid rgba(247, 243, 236, 0.08);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(247, 243, 236, 0.08);
}
.trust-item {
  background: var(--azul-void);
  padding: 30px 26px;
}
.trust-item .t-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
}
.trust-item .t-label {
  font-size: 13.5px;
  color: rgba(247, 243, 236, 0.62);
  margin-top: 4px;
  line-height: 1.45;
}

/* ---------- Secciones ---------- */
.section { padding: 96px 0; }
.section-dark {
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, #12293D 0%, var(--azul-deep) 55%, var(--azul-void) 100%);
  color: var(--arena);
}
.section-white { background: var(--blanco); }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .lead { margin-top: 16px; }
.section-head.centered .lead { margin-left: auto; margin-right: auto; }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-med); }

.card h3 { margin: 18px 0 10px; }
.card p { color: var(--tinta-suave); font-size: 15px; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--arena);
  border: 1px solid var(--linea);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
}
.card-icon svg { width: 26px; height: 26px; }

/* Cards glass (secciones oscuras) */
.card-glass {
  background: linear-gradient(180deg, rgba(247, 243, 236, 0.055), rgba(247, 243, 236, 0.02));
  border: 1px solid rgba(247, 243, 236, 0.1);
  border-top-color: rgba(247, 243, 236, 0.22);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  transition: border-color 0.22s ease, transform 0.22s ease;
}
.card-glass:hover { border-top-color: rgba(247, 243, 236, 0.45); transform: translateY(-4px); }
.card-glass h3 { margin: 18px 0 10px; color: var(--arena); }
.card-glass p { color: rgba(247, 243, 236, 0.65); font-size: 15px; }
.card-glass .card-icon {
  background: rgba(247, 243, 236, 0.06);
  border-color: rgba(247, 243, 236, 0.14);
  color: var(--naranja);
}

/* Card segmento con imagen */
.card-seg {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  color: var(--arena);
  isolation: isolate;
}
.card-seg img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.card-seg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(6, 15, 24, 0.92) 8%, rgba(6, 15, 24, 0.45) 55%, rgba(6, 15, 24, 0.15));
  transition: background 0.3s ease;
}
.card-seg:hover img { transform: scale(1.05); }
.card-seg-body { padding: 30px 28px; width: 100%; }
.card-seg .seg-tag {
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--naranja);
}
.card-seg h3 { font-size: 1.55rem; margin: 8px 0 8px; color: var(--arena); }
.card-seg p { color: rgba(247, 243, 236, 0.78); font-size: 14.5px; }
.card-seg .seg-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-weight: 800;
  font-size: 14px;
  color: var(--arena);
  border-bottom: 2px solid var(--naranja);
  padding-bottom: 3px;
}

/* ---------- Pasos (proceso) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: paso; }
.step {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(247, 243, 236, 0.055), rgba(247, 243, 236, 0.02));
  border: 1px solid rgba(247, 243, 236, 0.1);
  border-top: 2px solid var(--naranja);
}
.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--naranja);
  letter-spacing: 0.1em;
}
.step h3 { margin: 10px 0 8px; font-size: 1.1rem; color: var(--arena); }
.step p { font-size: 14px; color: rgba(247, 243, 236, 0.65); }

/* ---------- Comparativa recibo (antes / después) ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.recibo {
  border-radius: var(--radius-lg);
  padding: 34px 30px;
}
.recibo-antes { background: var(--blanco); border: 1px solid var(--linea); }
.recibo-despues { background: var(--azul); color: var(--arena); border: 1px solid var(--azul); }
.recibo .r-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.recibo-antes .r-head { color: var(--tinta-suave); }
.recibo-despues .r-head { color: var(--naranja); }
.recibo .r-row {
  display: flex;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid var(--linea);
  font-size: 15px;
}
.recibo-despues .r-row { border-bottom-color: rgba(247, 243, 236, 0.14); }
.recibo .r-row strong { font-family: var(--font-display); }
.recibo .r-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 20px;
}
.recibo .r-total .monto {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
}
.nota-ejemplo {
  font-size: 13px;
  color: var(--tinta-suave);
  margin-top: 18px;
}
.dark .nota-ejemplo { color: rgba(247, 243, 236, 0.5); }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--naranja);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 24px 22px; color: var(--tinta-suave); font-size: 15px; }

/* ---------- Banda CTA final ---------- */
.cta-band {
  background:
    radial-gradient(ellipse 70% 100% at 50% 100%, #163350 0%, var(--azul-deep) 60%, var(--azul-void) 100%);
  color: var(--arena);
  text-align: center;
  padding: 100px 24px;
}
.cta-band h2 { max-width: 720px; margin: 0 auto; }
.cta-band .lead { margin: 20px auto 0; }
.cta-band .hero-ctas { justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--azul-void);
  color: rgba(247, 243, 236, 0.65);
  padding: 64px 0 34px;
  border-top: 1px solid rgba(247, 243, 236, 0.08);
  font-size: 14.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer .logo { margin-bottom: 16px; }
.footer h4 {
  font-family: var(--font-display);
  color: var(--arena);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a:hover { color: var(--naranja); }
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: var(--naranja); }
.footer-bottom {
  border-top: 1px solid rgba(247, 243, 236, 0.1);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(247, 243, 236, 0.45);
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }

/* ---------- Calculadora ---------- */
.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 28px;
  align-items: start;
}
.calc-panel {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  box-shadow: var(--shadow-soft);
}
.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  margin-bottom: 14px;
}
.calc-monto {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  color: var(--azul);
}
input[type="range"] {
  width: 100%;
  margin: 18px 0 6px;
  accent-color: var(--naranja);
  height: 6px;
  cursor: pointer;
}
.calc-minmax {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--tinta-suave);
}
.calc-results { display: grid; gap: 16px; }
.calc-res {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.calc-res .cr-label {
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tinta-suave);
}
.calc-res .cr-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  text-align: right;
}
.calc-res .cr-value small { font-size: 1rem; font-weight: 600; color: var(--tinta-suave); }
.calc-res-dark {
  background: var(--azul);
  border-color: var(--azul);
  color: var(--arena);
}
.calc-res-dark .cr-label { color: var(--naranja); }
.calc-res-dark .cr-value small { color: rgba(247, 243, 236, 0.6); }
.calc-disclaimer {
  font-size: 13px;
  color: var(--tinta-suave);
  line-height: 1.55;
}

/* ---------- Formulario contacto ---------- */
.form-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: start;
}
.form-card {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-soft);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tinta);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--azul);
  background: var(--arena);
  border: 1px solid var(--linea);
  border-radius: 8px;
  padding: 13px 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(14, 34, 51, 0.08);
}
.form-status {
  margin-top: 16px;
  font-weight: 700;
  font-size: 14.5px;
  display: none;
}
.form-status.ok { display: block; color: var(--verde); }
.form-status.error { display: block; color: #B0483A; }

.contact-aside { display: grid; gap: 16px; }
.contact-card {
  background: var(--azul);
  color: var(--arena);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
}
.contact-card h3 { color: var(--arena); margin-bottom: 8px; }
.contact-card p { color: rgba(247, 243, 236, 0.68); font-size: 14.5px; margin-bottom: 20px; }
.contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(247, 243, 236, 0.12);
  font-weight: 600;
  font-size: 15px;
}
.contact-line svg { color: var(--naranja); flex-shrink: 0; }

/* ---------- Listas con check ---------- */
.check-list { list-style: none; display: grid; gap: 14px; }
.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 15.5px;
}
.check-list li svg { flex-shrink: 0; margin-top: 3px; color: var(--naranja); }
.dark .check-list li { color: rgba(247, 243, 236, 0.8); }

/* ---------- Split (texto + imagen) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-med);
}
.split-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 1000px) {
  .nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 84vw);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: var(--azul-void);
    padding: 90px 26px 30px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
  }
  .nav.open { transform: none; }
  .nav a { font-size: 16px; padding: 13px 16px; }
  .nav .btn { margin: 14px 0 0; justify-content: center; }
  .nav-toggle { display: block; z-index: 110; }
}

@media (max-width: 860px) {
  .grid-3, .grid-2, .compare, .calc-wrap, .form-wrap { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .hero { min-height: 86vh; }
  .hero-content { padding: 130px 24px 60px; }
  .card-seg { min-height: 340px; }
}

@media (max-width: 560px) {
  .grid-4, .steps, .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .wa-float { bottom: 18px; right: 18px; width: 54px; height: 54px; }
}