/* =========================================================
   layout.css — Topbar, Nav, Hero, Sections & Footer
   Dra. Erika Piedrahita — Medical Epigenetics Website
   ========================================================= */

/* ---------------------------------------------------------
   1. TOPBAR
   --------------------------------------------------------- */
.topbar {
  background-color: var(--color-dark-cta);
  color: var(--color-white);
  padding-block: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  z-index: var(--z-sticky);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.topbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.topbar__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.topbar__link:hover {
  color: var(--color-primary-light);
}

.topbar__link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.topbar__hours {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.65);
  font-size: var(--text-sm);
}

.topbar__hours svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 480px) {
  .topbar__hours {
    display: none;
  }
  .topbar__inner {
    justify-content: center;
  }
}

/* ---------------------------------------------------------
   2. NAVIGATION (Sticky)
   --------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(250, 247, 244, 0.97);
  border-color: var(--color-border);
  box-shadow: 0 2px 20px rgba(44,44,44,0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}

/* Logo */
.navbar__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  line-height: 1;
}

.navbar__logo-img {
  height: 100px;
  width: auto;
  object-fit: contain;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
}

.navbar__logo-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.navbar__logo-title {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

/* Nav links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.navbar__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.navbar__nav-link:hover,
.navbar__nav-link.active {
  color: var(--color-text);
  background-color: var(--color-surface);
}

/* Nav actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.navbar__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) var(--container-pad) var(--space-6);
}

.navbar__mobile.is-open {
  display: block;
}

.navbar__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.navbar__mobile-link {
  display: block;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.navbar__mobile-link:hover {
  background-color: var(--color-surface);
  color: var(--color-text);
}

@media (max-width: 960px) {
  .navbar__nav {
    display: none;
  }
  .navbar__hamburger {
    display: flex;
  }
  .navbar__actions .btn {
    display: none;
  }
  
  .navbar__inner {
    height: 60px;
    gap: var(--space-3);
  }
  
  .navbar__logo {
    gap: var(--space-2);
  }
  
  .navbar__logo-img {
    height: 45px;
  }
  
  .navbar__logo-name {
    font-size: var(--text-sm);
  }
  
  .navbar__logo-title {
    font-size: 9px;
  }
}

@media (max-width: 600px) {
  .navbar__inner {
    height: 54px;
    gap: var(--space-2);
  }
  
  .navbar__logo {
    gap: var(--space-1);
  }
  
  .navbar__logo-img {
    height: 38px;
  }
  
  .navbar__logo-name {
    font-size: 13px;
  }
  
  .navbar__logo-title {
    font-size: 8px;
  }
}

@media (max-width: 400px) {
  .navbar__inner {
    height: 50px;
  }
  
  .navbar__logo-img {
    height: 32px;
  }
  
  .navbar__logo-text {
    display: none;
  }
  
  .navbar__hamburger {
    padding: var(--space-1);
  }
  
  .navbar__hamburger span {
    width: 20px;
  }
}

/* ---------------------------------------------------------
   3. HERO
   --------------------------------------------------------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-block: var(--space-20);
  background-color: var(--color-bg);
}

/* Decorative background blobs */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle at center, rgba(196,168,130,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle at center, rgba(212,184,199,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__inner::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -150px;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  background-image: url('../assets/img/IMG_6680.PNG');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.2;
  pointer-events: none;
  z-index: -1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-accent-light);
  color: var(--color-primary-dark);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-accent);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: italic;
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-10);
}

.hero__cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero__trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero__trust-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero__trust-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary-dark);
}

.hero__trust-divider {
  width: 1px;
  height: 28px;
  background-color: var(--color-border);
}

@media (max-width: 968px) {
  .hero__inner::before {
    right: -250px;
    width: 400px;
    height: 400px;
    opacity: 0.025;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: auto;
    padding-block: var(--space-12);
  }
  
  .hero__inner::before {
    display: none;
  }

  .hero__trust-divider {
    display: none;
  }

  .hero__trust {
    gap: var(--space-3);
  }
}

/* ---------------------------------------------------------
   4. QUIÉN SOY (About)
   --------------------------------------------------------- */
.about {
  background-color: var(--color-surface);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__image-wrapper {
  position: relative;
}

.about__image-bg {
  position: absolute;
  inset: -20px -20px 20px -20px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
  border-radius: var(--radius-xl);
  z-index: 0;
}

.about__image {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Placeholder for doctor image */
.about__image-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(145deg, var(--color-primary-light) 0%, var(--color-accent-light) 60%, var(--color-primary-light) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about__image-placeholder svg {
  width: 120px;
  height: 120px;
  color: var(--color-primary);
  opacity: 0.5;
}

.about__image-placeholder p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-primary-dark);
  opacity: 0.7;
}

.about__badge-float {
  position: absolute;
  bottom: var(--space-6);
  right: calc(-1 * var(--space-8));
  z-index: 2;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 200px;
}

.about__badge-float-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about__badge-float-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.about__badge-float-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}

.about__badge-float-text span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.about__content {
  padding-left: var(--space-8);
}

.about__bio {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.about__bio strong {
  color: var(--color-text);
  font-weight: 600;
}

.about__credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about__credential {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.about__credential-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .about__content {
    padding-left: 0;
  }

  .about__image-wrapper {
    max-width: 400px;
    margin-inline: auto;
  }

  .about__badge-float {
    right: 0;
  }
}

/* ---------------------------------------------------------
   5. EPIGENÉTICA (What Is It)
   --------------------------------------------------------- */
.epigenetics {
  background-color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.epigenetics::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse at center top, rgba(212,184,199,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.epigenetics__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .epigenetics__cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-inline: auto;
  }
}

/* ---------------------------------------------------------
   6. SERVICIOS
   --------------------------------------------------------- */
.services {
  background-color: var(--color-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 968px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
  }
}

@media (max-width: 700px) {
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

/* ---------------------------------------------------------
   7. APRENDE (YouTube / Content)
   --------------------------------------------------------- */
.learn {
  background-color: var(--color-bg);
}

.learn__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.learn__video-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.learn__video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.learn__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
}

.learn__video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.learn__video-info {
  padding: var(--space-4) var(--space-5);
}

.learn__video-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.learn__video-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.learn__cta {
  text-align: center;
  margin-top: var(--space-4);
}

@media (max-width: 900px) {
  .learn__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto auto;
  }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .learn__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------------------------------------------------------
   8. TESTIMONIOS (Carousel)
   --------------------------------------------------------- */
.testimonials {
  background-color: var(--color-surface);
  overflow: hidden;
}

.testimonials__carousel-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.testimonials__carousel {
  display: flex;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.testimonials__slide {
  min-width: 100%;
  padding: var(--space-4);
}

.testimonials__card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-12);
  max-width: 760px;
  margin-inline: auto;
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}

.testimonials__card::before {
  content: '"';
  position: absolute;
  top: var(--space-6);
  left: var(--space-8);
  font-family: var(--font-heading);
  font-size: 6rem;
  line-height: 1;
  color: var(--color-primary-light);
  pointer-events: none;
}

.testimonials__quote {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.testimonials__stars {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.testimonials__star {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  fill: var(--color-primary);
}

.testimonials__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.testimonials__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.testimonials__author-info strong {
  display: block;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  text-align: left;
}

.testimonials__author-info span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Carousel controls */
.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.testimonials__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.testimonials__btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.testimonials__btn:hover svg {
  color: var(--color-white);
}

.testimonials__btn svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.testimonials__dots {
  display: flex;
  gap: var(--space-2);
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-border);
  cursor: pointer;
  transition: background-color var(--transition-fast), width var(--transition-fast);
  border: none;
  padding: 0;
}

.testimonials__dot.active {
  width: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
}

@media (max-width: 600px) {
  .testimonials__card {
    padding: var(--space-8) var(--space-6);
  }

  .testimonials__card::before {
    font-size: 4rem;
  }

  .testimonials__quote {
    font-size: var(--text-lg);
  }
}

/* ---------------------------------------------------------
   9. CTA FINAL (Dark section)
   --------------------------------------------------------- */
.cta-section {
  background-color: var(--color-dark-cta);
  position: relative;
  overflow: hidden;
  padding-block: var(--space-24);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at center, rgba(196,168,130,0.15) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle at center, rgba(212,184,199,0.1) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
}

.cta-section__eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.cta-section__title {
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-5);
}

.cta-section__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

/* ---------------------------------------------------------
   10. FOOTER
   --------------------------------------------------------- */
.footer {
  background-color: #2A1F1F;
  color: rgba(255,255,255,0.75);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-8);
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer__brand-tagline {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-5);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
  color: var(--color-white);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}

.footer__legal {
  display: flex;
  gap: var(--space-5);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: rgba(255,255,255,0.7);
}

@media (max-width: 860px) {
  .footer__main {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__main {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ---------------------------------------------------------
   11. FLOATING WHATSAPP BUTTON
   --------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-float);
  width: 58px;
  height: 58px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: pulse 3s ease infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  animation: none;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  color: var(--color-white);
}

/* Tooltip */
.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-text);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--color-text);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

@media (max-width: 480px) {
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 52px;
    height: 52px;
  }
}