/* ============================================================
   DR. MAURICIO POZO — DENTAL CARE  |  Landing Page Styles
   Dark gold theme — estilo oscuro premium
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300&family=Open+Sans:wght@300;400;600&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --gold:         #d4853a;
  --gold-light:   #e8a55a;
  --gold-dark:    #a8621f;
  --gold-glow:    rgba(212, 133, 58, 0.18);
  --dark:         #0d0b09;
  --dark-2:       #131108;
  --dark-card:    #1a1610;
  --dark-card-2:  #221d14;
  --dark-border:  rgba(212, 133, 58, 0.15);
  --white:        #ffffff;
  --gray:         #a89880;
  --gray-light:   #d4c8b8;
  --font-head:    'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --transition:   all 0.35s var(--ease);
  --shadow:       0 8px 40px rgba(0,0,0,0.6);
  --glow:         0 0 40px rgba(212, 133, 58, 0.12);
  --radius:       10px;
  --radius-lg:    18px;
  --pad:          110px 0;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--dark); color: var(--white); font-family: var(--font-body); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Utilities ─────────────────────────────────────────────── */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

.tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(212,133,58,0.1);
  border: 1px solid var(--dark-border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 18px;
}
.section-title span { color: var(--gold); }

.section-sub {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 620px;
  line-height: 1.85;
}

.divider {
  width: 55px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  border-radius: 2px;
  margin-bottom: 28px;
}
.divider.center { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold);
  color: #0d0b09;
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212,133,58,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ── NAVBAR ────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}
#navbar.scrolled {
  background: rgba(13, 11, 9, 0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.7);
  border-bottom: 1px solid var(--dark-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  padding: 0 5%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.nav-logo-tooth {
  font-size: 1.8rem;
  line-height: 1;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-logo-text strong {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}
.nav-logo-text span {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu li a {
  font-family: var(--font-head);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  padding: 8px 14px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}
.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 3px; left: 14px; right: 14px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.nav-menu li a:hover { color: var(--white); }
.nav-menu li a:hover::after,
.nav-menu li a.active::after { transform: scaleX(1); }
.nav-menu li a.active { color: var(--gold); }

.nav-cta {
  background: var(--gold) !important;
  color: #0d0b09 !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--gold-light) !important; }
.nav-cta::after { display: none !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ──────────────────────────────────────────────────── */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://lh3.googleusercontent.com/sitesv/APaQ0SQ9Vrhc3ZFLUbVnVxnxQtOLfyZ6G1zbLE8ykg2yA3xFXRKT9vUEL3NfcTVMrdX4Vq2J81FLrFdakYVGHxkU7rrwwLX2QCs76BMCkG1mkHGczIyqsjrgybN1rvfjQNiIxy7odlWu_gw_9rh9jf0PIMqZxxPcE-PnnzkocOVgi-ibNCB4hLg4Kz7LnTs=w1280') center/cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(13,11,9,0.88) 0%,
    rgba(13,11,9,0.60) 45%,
    rgba(13,11,9,0.82) 100%
  );
}
.hero-overlay-bottom {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 200px; z-index: 1;
  background: linear-gradient(to top, var(--dark), transparent);
}
.hero-glow {
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(212,133,58,0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  width: 90%; max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 100px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}
.hero-eyebrow::before {
  content: '';
  width: 36px; height: 1px;
  background: var(--gold);
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.5s forwards;
}
.hero-title .gold { color: var(--gold); }
.hero-title .block { display: block; }

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--gray-light);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.7s forwards;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.9s forwards;
}
.hero-stats {
  position: absolute;
  right: 5%; bottom: 90px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  animation: fadeIn 1s ease 1.2s forwards;
}
.hero-stat {
  background: rgba(26,22,16,0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  padding: 16px 22px;
  text-align: center;
}
.hero-stat .num {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold);
  display: block;
  line-height: 1;
}
.hero-stat .lbl {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  display: block;
  margin-top: 4px;
}
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 1s ease 1.4s forwards;
}
.hero-scroll span {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── SERVICIOS ──────────────────────────────────────────────── */
#servicios {
  padding: var(--pad);
  background: var(--dark);
  position: relative;
}
#servicios::before {
  content: '';
  position: absolute;
  top: -80px; right: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212,133,58,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.servicios-header { text-align: center; margin-bottom: 70px; }
.servicios-header .section-sub { margin: 0 auto; }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.servicio-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.servicio-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.servicio-card:hover {
  transform: translateY(-6px);
  border-color: var(--dark-border);
  box-shadow: var(--glow);
}
.servicio-card:hover::before { opacity: 1; }

.servicio-icon {
  width: 52px; height: 52px;
  background: rgba(212,133,58,0.1);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}
.servicio-card:hover .servicio-icon {
  background: rgba(212,133,58,0.2);
  border-color: var(--gold);
}
.servicio-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.servicio-card .badge {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  display: block;
}
.servicio-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
}

/* ── POR QUÉ ELEGIRNOS ─────────────────────────────────────── */
#porque {
  padding: var(--pad);
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}
.porque-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.porque-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
  border: 1px solid var(--dark-border);
}
.porque-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.porque-img-badge {
  position: absolute;
  bottom: 20px; left: 20px;
  background: rgba(13,11,9,0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 14px 18px;
}
.porque-img-badge p {
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}
.porque-img-badge span {
  font-size: 0.82rem;
  color: var(--gray-light);
}
.porque-right .section-sub { margin-bottom: 36px; }

.porque-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}
.porque-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  transition: var(--transition);
}
.porque-item:hover {
  border-color: var(--dark-border);
  transform: translateX(4px);
}
.porque-item-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.porque-item-text h5 {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.porque-item-text p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ── RESULTADOS ────────────────────────────────────────────── */
#resultados {
  padding: var(--pad);
  background: var(--dark);
}
.resultados-header { text-align: center; margin-bottom: 60px; }
.resultados-header .section-sub { margin: 0 auto; }

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.galeria-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition);
}
.galeria-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.galeria-item:hover { border-color: var(--dark-border); box-shadow: var(--glow); }
.galeria-item:hover img { transform: scale(1.06); }

.galeria-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,11,9,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.galeria-item:hover .galeria-overlay { opacity: 1; }
.galeria-overlay span {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* CTA Banner */
.cta-banner {
  margin-top: 60px;
  background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-card-2) 100%);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(212,133,58,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner-text h3 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.cta-banner-text p {
  font-size: 1rem;
  color: var(--gray);
}
.cta-banner-text p span { color: var(--gold); font-weight: 600; }

/* ── CONTACTO ──────────────────────────────────────────────── */
#contacto {
  padding: var(--pad);
  background: var(--dark-2);
}
.contacto-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 70px;
  align-items: start;
}
.contacto-left .section-sub { margin-bottom: 36px; }

.contact-cards { display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.contact-card {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--dark-border); transform: translateX(4px); }
.contact-card-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  background: rgba(212,133,58,0.1);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.contact-card-info h5 {
  font-family: var(--font-head);
  font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 4px;
}
.contact-card-info p, .contact-card-info a {
  font-size: 0.92rem; color: var(--gray-light);
  display: block; line-height: 1.5;
  transition: color 0.2s;
}
.contact-card-info a:hover { color: var(--gold); }

.horario-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.horario-card h5 {
  font-family: var(--font-head);
  font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.horario-card p {
  font-size: 0.92rem; color: var(--gray-light); line-height: 1.6;
}

.contacto-right { display: flex; flex-direction: column; gap: 24px; }

.map-wrap {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
}
.map-wrap iframe {
  width: 100%; height: 100%; border: none;
  filter: grayscale(70%) invert(92%) hue-rotate(175deg) brightness(0.85);
}

.contact-form {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 34px;
}
.contact-form h4 {
  font-family: var(--font-head);
  font-size: 1.05rem; font-weight: 700;
  color: var(--white); margin-bottom: 22px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.form-group label {
  font-family: var(--font-head);
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gray);
}
.form-group input, .form-group textarea, .form-group select {
  background: var(--dark-card-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,133,58,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group select option { background: var(--dark-card); }

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--dark-border);
  padding: 55px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 45px;
}
.footer-brand p {
  font-size: 0.87rem; color: var(--gray);
  line-height: 1.7; max-width: 270px; margin: 16px 0 22px;
}
.footer-brand-name {
  display: flex; align-items: center; gap: 10px;
}
.footer-brand-name .tooth { font-size: 1.6rem; }
.footer-brand-name div strong {
  font-family: var(--font-head);
  font-size: 0.85rem; font-weight: 800;
  color: var(--white); display: block; letter-spacing: 0.04em;
}
.footer-brand-name div span {
  font-family: var(--font-head);
  font-size: 0.7rem; font-weight: 700;
  color: var(--gold); letter-spacing: 0.12em; text-transform: uppercase;
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 38px; height: 38px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}
.social-link:hover { background: var(--gold); border-color: var(--gold); transform: translateY(-2px); }

.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--white); margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dark-border);
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col ul li a {
  font-size: 0.86rem; color: var(--gray);
  transition: color 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.footer-col ul li a::before { content: '›'; color: var(--gold); font-size: 1rem; }
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 22px;
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--gray); }
.footer-bottom a { color: var(--gold); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--gold-light); }

/* ── WHATSAPP FLOAT ────────────────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 30px; right: 30px;
  z-index: 900;
  display: flex; align-items: center; gap: 12px;
}
.wa-tooltip {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 0.76rem; font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  opacity: 0; transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
  box-shadow: var(--shadow);
}
.wa-float:hover .wa-tooltip { opacity: 1; transform: translateX(0); }
.wa-btn {
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.wa-btn::before {
  content: '';
  position: absolute; inset: -6px;
  border-radius: 50%;
  background: rgba(37,211,102,0.2);
  animation: waPulse 2.5s ease-in-out infinite;
}
.wa-btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.55); }
.wa-btn svg { width: 26px; height: 26px; fill: white; position: relative; z-index: 1; }

/* ── SCROLL REVEAL ─────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(35px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.reveal-left { transform: translateX(-35px); }
.reveal.reveal-right { transform: translateX(35px); }
.reveal.visible { opacity: 1; transform: translate(0); }
.d1 { transition-delay: 0.1s; } .d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; } .d4 { transition-delay: 0.4s; }
.d5 { transition-delay: 0.5s; } .d6 { transition-delay: 0.6s; }

/* ── KEYFRAMES ─────────────────────────────────────────────── */
@keyframes fadeUp { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes scrollPulse { 0%,100%{opacity:1;transform:scaleY(1);}50%{opacity:.3;transform:scaleY(.7);} }
@keyframes waPulse { 0%,100%{transform:scale(1);opacity:.5;}50%{transform:scale(1.35);opacity:0;} }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media(max-width:960px){
  .porque-inner,.contacto-inner{grid-template-columns:1fr;gap:50px;}
  .nav-menu{display:none;}
  .nav-hamburger{display:flex;}
  .nav-menu.open{
    display:flex;flex-direction:column;position:fixed;
    top:78px;left:0;right:0;bottom:0;
    background:rgba(13,11,9,.98);backdrop-filter:blur(20px);
    align-items:center;justify-content:center;gap:4px;z-index:999;
  }
  .nav-menu.open li a{font-size:1.1rem;padding:14px 30px;}
  .hero-stats{display:none;}
}
@media(max-width:700px){
  :root{--pad:80px 0;}
  .galeria-grid{grid-template-columns:repeat(2,1fr);}
  .servicios-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-actions{flex-direction:column;}
  .cta-banner{flex-direction:column;text-align:center;}
  .wa-float{bottom:20px;right:20px;}
}