/* ============================================
   RNG — Reciclaje Norte Grande
   custom.css — Single source of truth for all styles
   Sections: Reset, Variables, Base, Header, Hero,
             Services, FAQ, CTA, Contact, Footer,
             WhatsApp Float, Responsive
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Brand colors */
  --rng-green:        #16a34a;
  --rng-green-light:  #22c55e;
  --rng-green-mid:    #4ade80;
  --rng-green-dark:   #15803d;
  --rng-green-forest: #166534;
  --rng-green-50:     #f0fdf4;
  --rng-blue-deep:    #0c4a6e;
  --rng-blue:         #0369a1;
  --rng-whatsapp:     #25D366;
  --rng-orange:       #f97316;

  /* Neutral scale */
  --rng-dark:         #0a0a0a;
  --rng-white:        #ffffff;
  --rng-gray-50:      #f9fafb;
  --rng-gray-100:     #f5f5f5;
  --rng-gray-200:     #e5e5e5;
  --rng-gray-300:     #d4d4d4;
  --rng-gray-400:     #a3a3a3;
  --rng-gray-500:     #737373;
  --rng-gray-600:     #525252;
  --rng-gray-700:     #404040;
  --rng-gray-800:     #262626;
  --rng-gray-900:     #171717;

  /* Layout */
  --rng-max-width:      1280px;
  --rng-header-height:  72px;

  /* Radii */
  --rng-radius-sm:   0.5rem;
  --rng-radius:      0.75rem;
  --rng-radius-lg:   1.25rem;
  --rng-radius-xl:   2rem;

  /* Transitions */
  --rng-transition:  all 0.22s ease;
  --rng-trans-fast:  all 0.15s ease;
}


/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--rng-header-height) + 8px);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--rng-gray-900);
  background: var(--rng-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

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

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

button {
  font-family: inherit;
}

ul {
  list-style: none;
}


/* ============================================
   HEADER
   ============================================ */
.rng-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: transparent;
  padding: 0 2rem;
}

.rng-header-inner {
  max-width: var(--rng-max-width);
  margin: 0 auto;
  height: var(--rng-header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.rng-logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.rng-logo {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
}

.rng-header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.rng-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--rng-radius-sm);
  transition: var(--rng-transition);
  white-space: nowrap;
}

.rng-nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.rng-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Mobile menu toggle button */
.rng-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--rng-radius-sm);
  color: #fff;
  cursor: pointer;
  transition: var(--rng-transition);
}

.rng-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Mobile menu drawer */
.rng-mobile-menu {
  display: none;
  position: fixed;
  top: var(--rng-header-height);
  left: 0;
  right: 0;
  background: var(--rng-white);
  border-bottom: 1px solid var(--rng-gray-200);
  padding: 1rem 2rem 1.5rem;
  z-index: 190;
  flex-direction: column;
  gap: 0.375rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.rng-mobile-menu.open {
  display: flex;
}

.rng-mobile-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--rng-gray-600);
  text-decoration: none;
  border-radius: var(--rng-radius-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: var(--rng-transition);
}

.rng-mobile-link:hover {
  background: var(--rng-green-50);
  color: var(--rng-green);
}

.rng-mobile-cta {
  margin-top: 0.75rem;
  justify-content: center;
}


/* ============================================
   BUTTONS
   ============================================ */
.rng-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--rng-radius);
  transition: var(--rng-transition);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1;
}

.rng-btn-primary {
  background: var(--rng-green);
  color: var(--rng-white);
  border-color: var(--rng-green);
}

.rng-btn-primary:hover {
  background: var(--rng-green-dark);
  border-color: var(--rng-green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.25);
}

.rng-btn-outline-white {
  background: transparent;
  color: var(--rng-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.rng-btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.8);
}

.rng-btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--rng-white);
  color: var(--rng-green);
  padding: 0.75rem 1.5rem;
  border-radius: 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--rng-transition);
  line-height: 1;
}

.rng-btn-cta:hover {
  background: var(--rng-green-50);
  transform: translateY(-1px);
}

.rng-btn-cta svg {
  width: 1rem;
  height: 1rem;
}


/* ============================================
   HERO
   ============================================ */
.rng-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(
    180deg,
    #0c4a6e 0%,
    #0369a1 25%,
    #166534 60%,
    #15803d 100%
  );
  padding-top: 6rem;
  padding-bottom: 0;
  padding-left: 2rem;
  padding-right: 2rem;
}

.rng-hero-content {
  max-width: var(--rng-max-width);
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 0;
}

.rng-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4375rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  color: #86efac;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 1.75rem;
  width: fit-content;
}

.rng-hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--rng-white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  max-width: 14ch;
}

.rng-gradient-text {
  background: linear-gradient(135deg, #4ade80, #22c55e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.rng-hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 550px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.rng-hero-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

/* Clients strip */
.rng-clients-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  overflow: hidden;
}

.rng-clients-label {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.rng-marquee-wrapper {
  overflow: hidden;
  width: 100%;
  position: relative;
}


.rng-marquee-track {
  display: flex;
  animation: rng-scroll 45s linear infinite;
  width: max-content;
}

.rng-marquee-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-shrink: 0;
  padding-right: 2rem;
}

.rng-marquee-logo {
  max-height: 28px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  opacity: 0.9;
  flex-shrink: 0;
}

@keyframes rng-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* ============================================
   SECTIONS — COMMON
   ============================================ */
.rng-section {
  padding: 5rem 2rem;
}

.rng-section-alt {
  background: var(--rng-gray-50);
}

.rng-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.rng-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--rng-green-50);
  color: var(--rng-green);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.rng-section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--rng-gray-900);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.rng-section-subtitle {
  font-size: 1rem;
  color: var(--rng-gray-600);
  line-height: 1.7;
}


/* ============================================
   SERVICES
   ============================================ */
.rng-services-grid {
  max-width: 1100px;
  margin: 0 auto;
}

.rng-services-row-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rng-services-row-bottom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 100%;
  margin: 24px auto 0;
}

.rng-service-card {
  background: var(--rng-white);
  border: 1px solid var(--rng-gray-200);
  border-radius: var(--rng-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--rng-transition);
}

.rng-service-card:hover {
  border-color: var(--rng-green);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(22, 163, 74, 0.1);
}

.rng-service-icon {
  width: 3.25rem;
  height: 3.25rem;
  background: var(--rng-green);
  border-radius: var(--rng-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rng-white);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.rng-service-icon svg {
  width: 1.375rem;
  height: 1.375rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rng-service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--rng-gray-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.rng-service-card p {
  font-size: 0.9375rem;
  color: var(--rng-gray-600);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.rng-service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.rng-service-features li {
  font-size: 0.875rem;
  color: var(--rng-gray-700);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}

.rng-service-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--rng-green);
  font-weight: 700;
}

.rng-service-link {
  color: var(--rng-green);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
  transition: var(--rng-trans-fast);
}

.rng-service-link:hover {
  color: var(--rng-green-dark);
  gap: 0.5rem;
}

.rng-service-link svg {
  width: 0.875rem;
  height: 0.875rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


/* ============================================
   FAQ
   ============================================ */
.rng-faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rng-faq-item {
  background: var(--rng-white);
  border: 1px solid var(--rng-gray-200);
  border-radius: var(--rng-radius);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.rng-faq-item.active {
  border-color: #16a34a;
  box-shadow: 0 0 0 2px #16a34a;
}

.rng-faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: var(--rng-trans-fast);
}

.rng-faq-question:hover {
  background: var(--rng-gray-50);
}

.rng-faq-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.rng-faq-toggle {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s;
}

.rng-faq-item.active .rng-faq-toggle {
  background: #16a34a;
}

.rng-faq-item.active .rng-faq-toggle svg {
  stroke: white;
}

.rng-faq-text {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--rng-gray-900);
  line-height: 1.4;
}

.rng-faq-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--rng-gray-400);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rng-faq-item.active .rng-faq-chevron {
  transform: rotate(180deg);
}

.rng-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.rng-faq-item.active .rng-faq-answer {
  max-height: 700px;
}

.rng-faq-answer > p {
  padding: 0 1.5rem 0 5rem;
  font-size: 0.9375rem;
  color: var(--rng-gray-600);
  line-height: 1.7;
}

.rng-faq-answer > .rng-faq-details {
  padding: 0 1.5rem 1.25rem 5rem;
}

.rng-faq-details {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.rng-faq-details li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: #404040;
}

.rng-check {
  flex-shrink: 0;
  margin-top: 0.125rem;
}


/* ============================================
   CTA BOX
   ============================================ */
.rng-cta-box {
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(135deg, #15803d, #16a34a, #22c55e);
  border-radius: var(--rng-radius-xl);
  padding: 3.5rem;
  text-align: center;
}

.rng-cta-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rng-white);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.rng-cta-box p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.rng-cta-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}


/* ============================================
   CONTACT
   ============================================ */
.rng-contact-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.rng-contact-card {
  background: var(--rng-white);
  border: 1px solid var(--rng-gray-200);
  border-radius: var(--rng-radius-lg);
  padding: 2.5rem;
}

.rng-contact-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rng-gray-900);
  margin-bottom: 2rem;
  line-height: 1.3;
}

.rng-contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rng-contact-method {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
}

.rng-contact-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rng-contact-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.rng-contact-icon-green {
  background: rgba(22, 163, 74, 0.1);
  color: var(--rng-green);
}

.rng-contact-icon-blue {
  background: rgba(3, 105, 161, 0.1);
  color: var(--rng-blue);
}

.rng-contact-icon-whatsapp {
  background: rgba(37, 211, 102, 0.1);
  color: var(--rng-whatsapp);
}

.rng-contact-icon-orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--rng-orange);
}

.rng-contact-method-body {
  display: flex;
  flex-direction: column;
}

.rng-contact-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--rng-gray-900);
  margin-bottom: 0.125rem;
  line-height: 1.4;
}

.rng-contact-value {
  font-size: 0.9375rem;
  color: var(--rng-green);
  display: block;
  text-decoration: none;
  transition: var(--rng-trans-fast);
  line-height: 1.5;
}

.rng-contact-value:hover {
  color: var(--rng-green-dark);
  text-decoration: underline;
}

.rng-contact-value-plain {
  font-size: 0.9375rem;
  color: var(--rng-gray-700);
  display: block;
  line-height: 1.5;
}

.rng-contact-note {
  font-size: 0.8125rem;
  color: var(--rng-gray-500);
  margin-top: 0.125rem;
  line-height: 1.4;
}

/* Social card */
.rng-social-card {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border-radius: var(--rng-radius-lg);
  padding: 2rem;
  color: var(--rng-white);
  margin-top: 1.5rem;
}

.rng-social-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  line-height: 1.3;
}

.rng-social-card p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.rng-contact-social-icons {
  display: flex;
  flex-direction: row;
  gap: 0.75rem;
}

.rng-contact-social-icon {
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rng-white);
  text-decoration: none;
  transition: var(--rng-transition);
}

.rng-contact-social-icon:hover {
  background: rgba(255, 255, 255, 0.3);
}

.rng-contact-social-icon svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


/* ============================================
   FOOTER
   ============================================ */
.rng-footer {
  background: var(--rng-dark);
  color: var(--rng-gray-400);
}

.rng-footer-inner {
  max-width: var(--rng-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem 3rem;
  padding: 4rem 2rem 3rem;
}

.rng-footer-brand {
  display: flex;
  flex-direction: column;
}

.rng-footer-logo {
  height: 40px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.rng-footer-tagline {
  font-size: 0.875rem;
  color: var(--rng-gray-500);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

.rng-footer-social {
  display: flex;
  gap: 0.625rem;
}

.rng-footer-social a {
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rng-gray-400);
  text-decoration: none;
  transition: var(--rng-transition);
}

.rng-footer-social a:hover {
  background: var(--rng-green);
  border-color: var(--rng-green);
  color: var(--rng-white);
}

/* Footer contact icons */
.rng-fc-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--rng-gray-400);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.rng-fc-item a {
  color: var(--rng-gray-400);
  text-decoration: none;
  transition: color 0.15s;
}

.rng-fc-item a:hover {
  color: var(--rng-green);
}

.rng-fc-icon {
  width: 1.75rem;
  height: 1.75rem;
  min-width: 1.75rem;
  border: 1px solid var(--rng-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rng-green);
  flex-shrink: 0;
  margin-top: 0.0625rem;
}

.rng-social-icon svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rng-footer-col h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--rng-white);
  margin-bottom: 1.25rem;
}

.rng-footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--rng-gray-500);
  text-decoration: none;
  padding: 0.3rem 0;
  transition: color 0.15s;
  line-height: 1.5;
}

.rng-footer-col a:hover {
  color: var(--rng-green-light);
}

.rng-footer-col p {
  font-size: 0.875rem;
  color: var(--rng-gray-500);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.rng-footer-col p strong {
  color: var(--rng-gray-300);
  font-weight: 600;
}

.rng-footer-col p a {
  display: inline;
  padding: 0;
}

.rng-footer-bottom {
  max-width: var(--rng-max-width);
  margin: 0 auto;
  padding: 1.375rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.rng-footer-bottom p {
  font-size: 0.8125rem;
  color: var(--rng-gray-600);
  line-height: 1.5;
}

.rng-powered a {
  color: var(--rng-green-light);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s;
}

.rng-powered a:hover {
  color: var(--rng-green);
  text-decoration: underline;
}


/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.rng-whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--rng-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rng-white);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.rng-whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}

.rng-whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.35);
  animation: rng-pulse 2.5s infinite;
}

.rng-whatsapp-float svg {
  width: 1.625rem;
  height: 1.625rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  position: relative;
  z-index: 1;
}

@keyframes rng-pulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}


/* ============================================
   RESPONSIVE — 1024px (tablet)
   ============================================ */
@media (max-width: 1024px) {
  .rng-header-nav {
    display: none;
  }

  .rng-menu-toggle {
    display: flex;
  }

  .rng-services-row-top {
    grid-template-columns: repeat(2, 1fr);
  }

  .rng-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .rng-footer-brand {
    grid-column: 1 / -1;
  }
}


/* ============================================
   RESPONSIVE — 640px (mobile)
   ============================================ */
@media (max-width: 640px) {
  :root {
    --rng-header-height: 64px;
  }

  .rng-header {
    padding: 0 1.25rem;
  }

  .rng-hero {
    min-height: 100svh;
    padding-top: 5rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .rng-hero-title {
    font-size: 2.25rem;
  }

  .rng-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .rng-hero-actions .rng-btn {
    justify-content: center;
  }

  .rng-section {
    padding: 3.5rem 1.25rem;
  }

  .rng-services-row-top,
  .rng-services-row-bottom {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .rng-faq-answer > p,
  .rng-faq-answer > .rng-faq-details {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .rng-cta-box {
    padding: 2.5rem 1.5rem;
    border-radius: 1.25rem;
  }

  .rng-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .rng-cta-actions .rng-btn-cta {
    justify-content: center;
    width: 100%;
  }

  .rng-contact-card {
    padding: 1.75rem 1.25rem;
  }

  .rng-footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem 2.5rem;
  }

  .rng-footer-brand {
    grid-column: auto;
  }

  .rng-footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding: 1rem 1.5rem;
  }
}

/* Fix: make marquee logos white on dark background */
.rng-marquee-logo {
  filter: brightness(0) invert(1);
}

/* Fix: social card text should be white */
.rng-social-card h3,
.rng-social-card .rng-social-title {
  color: #ffffff;
}

/* === Redesigned contact grid === */
.rng-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 640px;
  margin: 0 auto 2rem;
}

@media (max-width: 640px) {
  .rng-contact-grid {
    grid-template-columns: 1fr;
  }
}

.rng-contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 1rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

a.rng-contact-item:hover {
  border-color: #16a34a;
  box-shadow: 0 2px 12px rgba(22, 163, 74, 0.1);
}

.rng-contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: #f0fdf4;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rng-contact-item-icon--whatsapp {
  background: #dcfce7;
  color: #16a34a;
}

.rng-contact-item-value {
  font-weight: 600;
  font-size: 0.9375rem;
  color: #171717;
  margin: 0;
  line-height: 1.3;
}

.rng-contact-item-detail {
  font-size: 0.8125rem;
  color: #737373;
  margin: 0.125rem 0 0;
  line-height: 1.3;
}

/* === Social strip === */
.rng-social-strip {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.rng-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: #171717;
  color: #ffffff;
  border-radius: 2rem;
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: background 0.2s;
}

.rng-social-link:hover {
  background: #16a34a;
}

.rng-social-link svg {
  flex-shrink: 0;
}

/* Fix: Corpesca logo too small */
.rng-marquee-logo[alt='Corpesca'] {
  max-height: 36px;
}