/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Brand Colors */
  --color-gold:         #D4AF37;
  --color-gold-light:   #F0C040;
  --color-gold-dark:    #B8960C;
  --color-gold-muted:   rgba(212, 175, 55, 0.12);
  --color-gold-border:  rgba(212, 175, 55, 0.35);
  --color-black:        #1A1A1A;
  --color-black-soft:   #2C2C2C;
  --color-black-card:   #222222;
  --color-white:        #FFFFFF;
  --color-white-soft:   #F9F7F2;
  --color-gray:         #888888;
  --color-gray-light:   #CCCCCC;
  --color-whatsapp:     #25D366;
  --color-whatsapp-dk:  #1DA851;
  --color-facebook:     #1877F2;

  /* Typography */
  --font-primary:   'Cinzel', 'Georgia', 'Times New Roman', serif;
  --font-secondary: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-hero: clamp(2rem, 5vw, 3.25rem);

  --fw-normal: 400;
  --fw-semi:   600;
  --fw-bold:   700;

  --lh-tight: 1.2;
  --lh-base:  1.65;

  /* Spacing */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Layout */
  --container-max: 1100px;
  --container-pad: 1.5rem;
  --header-h:      72px;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --radius-pill:   9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.35);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.45);
  --glow-gold:    0 0 24px rgba(212,175,55,0.45);
  --glow-gold-sm: 0 0 12px rgba(212,175,55,0.28);

  /* Transitions */
  --tr-fast: 150ms ease;
  --tr-base: 300ms ease;
  --tr-slow: 500ms ease;

  /* Z-index */
  --z-base:    1;
  --z-sticky:  100;
  --z-float:   200;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-black);
  background-color: var(--color-white);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-primary);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
}

/* ============================================================
   4. UTILITIES
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--sp-20);
}

.section--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.section__title {
  font-size: var(--fs-3xl);
  text-align: center;
  margin-bottom: var(--sp-3);
  color: var(--color-gold);
}

.section__title--light {
  color: var(--color-white);
}

.section__subtitle {
  text-align: center;
  color: var(--color-gray);
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-12);
  max-width: 600px;
  margin-inline: auto;
}

.section__subtitle--light {
  color: var(--color-gray-light);
}

.gold-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-gold-dark));
  margin: var(--sp-4) auto var(--sp-10);
  border-radius: var(--radius-pill);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-secondary);
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  letter-spacing: 0.03em;
  transition: all var(--tr-base);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark));
  color: var(--color-black);
  border-color: var(--color-gold);
  box-shadow: var(--glow-gold-sm);
}
.btn--gold:hover {
  background: linear-gradient(135deg, #FFD055, var(--color-gold));
  box-shadow: var(--glow-gold);
  transform: translateY(-2px);
}

.btn--gold-outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.btn--gold-outline:hover {
  background: var(--color-gold-muted);
  box-shadow: var(--glow-gold-sm);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: linear-gradient(135deg, #2EE07A, var(--color-whatsapp-dk));
  color: var(--color-white);
  border-color: var(--color-whatsapp);
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
}
.btn--whatsapp:hover {
  background: linear-gradient(135deg, #3AFF8A, var(--color-whatsapp));
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--fs-lg);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-sm);
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ============================================================
   6. HEADER & NAVIGATION
   ============================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--color-black);
  border-bottom: 1px solid var(--color-gold-border);
  z-index: var(--z-sticky);
  transition: all var(--tr-base);
}

#header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.6);
  border-bottom-color: var(--color-gold);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img,
.header__logo svg {
  height: 48px;
  width: auto;
}

#nav-menu {
  flex: 1;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__list a {
  font-family: var(--font-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-light);
  transition: color var(--tr-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav__list a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--tr-base);
}

.nav__list a:hover,
.nav__list a.active {
  color: var(--color-gold);
}

.nav__list a:hover::after,
.nav__list a.active::after {
  width: 100%;
}

.header__cta {
  flex-shrink: 0;
}

/* Hamburger */
#hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

#hamburger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: all var(--tr-base);
  transform-origin: center;
}

#hamburger-btn.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#hamburger-btn.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#hamburger-btn.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   7. HERO SECTION
   ============================================================ */
#inicio {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background-color: var(--color-black);
  position: relative;
  overflow: hidden;
}

/* Decorative background pattern */
#inicio::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(212,175,55,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(212,175,55,0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* Keyline decoration */
#inicio::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), var(--color-gold-light), var(--color-gold), transparent);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-12);
  align-items: center;
  width: 100%;
  padding-block: var(--sp-20);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-pill);
  background: var(--color-gold-muted);
  color: var(--color-gold-light);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

.hero__title {
  font-size: var(--fs-hero);
  color: var(--color-white);
  margin-bottom: var(--sp-6);
  max-width: 680px;
}

.hero__title .highlight {
  color: var(--color-gold);
}

.hero__desc {
  font-size: var(--fs-lg);
  color: var(--color-gray-light);
  max-width: 560px;
  margin-bottom: var(--sp-10);
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-10);
}

.hero__stats {
  display: flex;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__stat-num {
  font-family: var(--font-primary);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--fs-xs);
  color: var(--color-gray);
  letter-spacing: 0.05em;
}

/* Hero decorative key SVG */
.hero__deco {
  opacity: 0.08;
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  pointer-events: none;
}

/* ============================================================
   8. SERVICES SECTION
   ============================================================ */
#servicios {
  background: var(--color-white-soft);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-2);
}

.service-card {
  background: var(--color-white);
  border: 1px solid rgba(212,175,55,0.18);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  transition: all var(--tr-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-gold-dark));
  transform: scaleX(0);
  transition: transform var(--tr-base);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md), var(--glow-gold-sm);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 72px;
  height: 72px;
  background: var(--color-gold-muted);
  border: 2px solid var(--color-gold-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-5);
  transition: all var(--tr-base);
}

.service-card__icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-gold);
}

.service-card:hover .service-card__icon {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.service-card:hover .service-card__icon svg {
  color: var(--color-black);
}

.service-card__title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  color: var(--color-black);
  margin-bottom: var(--sp-3);
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
}

.service-card__list {
  text-align: left;
  margin-bottom: var(--sp-6);
}

.service-card__list li {
  font-size: var(--fs-sm);
  color: var(--color-black-soft);
  padding: var(--sp-1) 0;
  padding-left: var(--sp-5);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23D4AF37'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ============================================================
   9. WHY US SECTION
   ============================================================ */
#por-que {
  background: var(--color-black);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-2);
}

.why-item {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  transition: all var(--tr-base);
}

.why-item:hover {
  background: var(--color-gold-muted);
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--glow-gold-sm);
}

.why-item__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--sp-4);
  background: var(--color-gold-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-item__icon svg {
  width: 30px;
  height: 30px;
  color: var(--color-gold);
}

.why-item__num {
  font-family: var(--font-primary);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.why-item__title {
  font-family: var(--font-secondary);
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  color: var(--color-white);
  margin-bottom: var(--sp-2);
}

.why-item__desc {
  font-size: var(--fs-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ============================================================
   10. COVERAGE SECTION
   ============================================================ */
#zonas {
  background: var(--color-white);
}

.coverage__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.coverage__col-title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  color: var(--color-black);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--color-gold-border);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.coverage__col-title svg {
  width: 22px;
  height: 22px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.coverage__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.coverage__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  background: var(--color-black);
  color: var(--color-gold);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  transition: all var(--tr-base);
}

.coverage__badge:hover {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold);
  box-shadow: var(--glow-gold-sm);
}

.coverage__badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.coverage__note {
  margin-top: var(--sp-10);
  padding: var(--sp-5) var(--sp-6);
  background: var(--color-gold-muted);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-black-soft);
}

.coverage__note strong {
  color: var(--color-gold-dark);
}

/* ============================================================
   11. ABOUT SECTION
   ============================================================ */
#nosotros {
  background: var(--color-black);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}

.about__eyebrow {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--sp-4);
}

.about__title {
  font-size: var(--fs-3xl);
  color: var(--color-white);
  margin-bottom: var(--sp-6);
}

.about__text p {
  color: var(--color-gray-light);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.about__value {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}

.about__value-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gold-muted);
  border: 1px solid var(--color-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about__value-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-gold);
}

.about__value-text strong {
  display: block;
  color: var(--color-gold);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  margin-bottom: 2px;
}

.about__value-text span {
  font-size: var(--fs-sm);
  color: var(--color-gray);
}

/* Decorative visual */
.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__deco {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  position: relative;
}

.about__deco-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--color-gold-border);
  animation: spin-slow 30s linear infinite;
}

.about__deco-ring:nth-child(2) {
  inset: 30px;
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 20s;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.about__deco-center {
  position: absolute;
  inset: 60px;
  background: var(--color-gold-muted);
  border: 2px solid var(--color-gold-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__deco-center svg {
  width: 80px;
  height: 80px;
  color: var(--color-gold);
  opacity: 0.7;
}

/* ============================================================
   12. CONTACT SECTION
   ============================================================ */
#contacto {
  background: linear-gradient(135deg, var(--color-black), var(--color-black-soft));
  border-top: 1px solid var(--color-gold-border);
  text-align: center;
}

.contact__inner {
  max-width: 700px;
  margin-inline: auto;
}

.contact__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-white);
  margin-bottom: var(--sp-4);
}

.contact__title .highlight {
  color: var(--color-gold);
}

.contact__desc {
  font-size: var(--fs-lg);
  color: var(--color-gray-light);
  margin-bottom: var(--sp-10);
  line-height: 1.75;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
  margin-bottom: var(--sp-8);
}

.contact__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--color-gray-light);
  font-size: var(--fs-sm);
  margin-top: var(--sp-6);
  padding: var(--sp-4) var(--sp-6);
  border: 1px solid rgba(24,119,242,0.3);
  border-radius: var(--radius-pill);
  display: inline-flex;
  transition: all var(--tr-base);
  background: rgba(24,119,242,0.06);
}

.contact__social:hover {
  background: rgba(24,119,242,0.15);
  border-color: var(--color-facebook);
  color: #6AAEF5;
  transform: translateY(-2px);
}

.contact__social svg {
  width: 20px;
  height: 20px;
}

.contact__hours {
  margin-top: var(--sp-8);
  padding: var(--sp-4) var(--sp-6);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-md);
  background: var(--color-gold-muted);
  display: inline-block;
}

.contact__hours p {
  font-size: var(--fs-sm);
  color: var(--color-gold);
  font-weight: var(--fw-semi);
  letter-spacing: 0.05em;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
  background: #111111;
  border-top: 1px solid var(--color-gold-border);
  padding-block: var(--sp-8);
}

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

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--color-gray);
  letter-spacing: 0.03em;
}

.footer__links {
  display: flex;
  gap: var(--sp-5);
}

.footer__links a {
  font-size: var(--fs-xs);
  color: var(--color-gray);
  letter-spacing: 0.05em;
  transition: color var(--tr-fast);
}

.footer__links a:hover {
  color: var(--color-gold);
}

/* ============================================================
   14. FLOATING WHATSAPP BUTTON
   ============================================================ */
.float-wa {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--z-float);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2EE07A, var(--color-whatsapp-dk));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45), 0 2px 8px rgba(0,0,0,0.3);
  animation: wa-pulse 3s ease-in-out infinite;
  transition: transform var(--tr-base), box-shadow var(--tr-base);
  text-decoration: none;
}

.float-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6), 0 4px 16px rgba(0,0,0,0.3);
  animation: none;
}

.float-wa svg {
  width: 30px;
  height: 30px;
  color: white;
}

@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,0.6), 0 4px 20px rgba(37,211,102,0.45); }
  50%  { box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 4px 20px rgba(37,211,102,0.45); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 4px 20px rgba(37,211,102,0.45); }
}

.float-wa__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--color-black);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--tr-base);
  border: 1px solid var(--color-gold-border);
}

.float-wa__tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-right: 0;
  border-left-color: var(--color-black);
}

.float-wa:hover .float-wa__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ============================================================
   15. ANIMATIONS
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

/* ============================================================
   16. MEDIA QUERIES
   ============================================================ */

/* Tablet: 1024px and below */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }
}

/* Tablet portrait: 768px and below */
@media (max-width: 768px) {
  :root {
    --sp-20: 4rem;
  }

  /* Header */
  #nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(26,26,26,0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gold-border);
    padding: var(--sp-6) var(--sp-6) var(--sp-8);
    transform: translateY(-110%);
    transition: transform var(--tr-base);
    z-index: var(--z-sticky);
  }

  #nav-menu.is-open {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-1);
  }

  .nav__list a {
    font-size: var(--fs-base);
    padding: var(--sp-3) 0;
    width: 100%;
    display: block;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .header__cta {
    display: none;
  }

  #hamburger-btn {
    display: flex;
  }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    padding-block: var(--sp-12);
  }

  .hero__deco {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__stats {
    gap: var(--sp-6);
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  /* Coverage */
  .coverage__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  /* About */
  .about__inner {
    grid-template-columns: 1fr;
  }

  .about__visual {
    display: none;
  }
}

/* Mobile: 480px and below */
@media (max-width: 480px) {
  :root {
    --sp-20: 3rem;
  }

  .section__title {
    font-size: var(--fs-2xl);
  }

  .btn--lg {
    padding: 0.875rem 1.5rem;
    font-size: var(--fs-base);
    width: 100%;
    justify-content: center;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

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

  .float-wa {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }

  .contact__actions {
    flex-direction: column;
    align-items: stretch;
  }
}