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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #2C3E50;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===========================
   VARIABLES
   =========================== */
:root {
  --blue-dark:    #1B4F72;
  --blue:         #2980B9;
  --blue-light:   #EBF5FB;
  --orange:       #E67E22;
  --orange-dark:  #CA6F1E;
  --green:        #25D366;
  --green-dark:   #128C7E;
  --gray-50:      #F8FAFC;
  --gray-100:     #F1F5F9;
  --gray-200:     #E2E8F0;
  --gray-400:     #94A3B8;
  --gray-600:     #64748B;
  --gray-800:     #1E293B;
  --red:          #E74C3C;
  --yellow:       #F39C12;
  --white:        #FFFFFF;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:       0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.12);
  --shadow-xl:    0 20px 60px rgba(0,0,0,.15);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.25s ease;
}

/* ===========================
   UTILITIES
   =========================== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

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

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section__tag {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--gray-800);
  line-height: 1.2;
  margin-bottom: 14px;
}

.section__desc {
  color: var(--gray-600);
  font-size: 1.05rem;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

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

.btn--primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 4px 14px rgba(230,126,34,.35);
}
.btn--primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230,126,34,.45);
}

.btn--whatsapp {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,211,102,.35);
}
.btn--whatsapp:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,.45);
}

.btn--white {
  background: #fff;
  color: var(--blue-dark);
  box-shadow: var(--shadow);
}
.btn--white:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===========================
   HEADER
   =========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__name {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--blue-dark);
}

.logo__subtitle {
  font-size: .68rem;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* NAV */
.nav {
  margin-left: auto;
}

.nav__list {
  display: flex;
  gap: 4px;
}

.nav__link {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: all var(--transition);
}

.nav__link:hover {
  color: var(--blue-dark);
  background: var(--blue-light);
}

.header__cta {
  flex-shrink: 0;
  padding: 9px 18px;
  font-size: .88rem;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}

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

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-dark) 0%, #1a3a5c 40%, #0d2137 100%);
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(41,128,185,.25) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(230,126,34,.12) 0%, transparent 50%);
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: #fff;
  clip-path: ellipse(55% 100% at 50% 100%);
}

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

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .04em;
  margin-bottom: 28px;
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.3); }
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -.02em;
}

.highlight {
  color: #FFC107;
  position: relative;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.75);
  max-width: 640px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 20px 28px;
  width: fit-content;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
}

.stat__number {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat__label {
  font-size: .75rem;
  color: rgba(255,255,255,.65);
  white-space: nowrap;
}

.stat__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
}

.hero__scroll {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.5);
  font-size: .78rem;
  animation: bounce 2.5s ease-in-out infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===========================
   PROBLEMAS
   =========================== */
.problemas__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problema-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(20px);
}

.problema-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.problema-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue-light);
}

.problema-card--full {
  grid-column: span 3;
}

.problema-card__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problema-card__icon--red    { background: #FEF2F2; color: var(--red); }
.problema-card__icon--orange { background: #FFF7ED; color: var(--orange); }
.problema-card__icon--yellow { background: #FFFBEB; color: var(--yellow); }
.problema-card__icon--blue   { background: var(--blue-light); color: var(--blue); }

.problema-card__content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
}

p.problema {
  font-size: .88rem;
  color: var(--gray-600);
  margin-bottom: 10px;
}

p.solucion {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: .85rem;
  font-weight: 500;
  color: #166534;
  background: #F0FDF4;
  padding: 8px 10px;
  border-radius: 6px;
}

p.solucion svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #16a34a;
}

/* ===========================
   SERVICIOS
   =========================== */
/* Slider wrapper */
.servicios__slider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.slider__viewport {
  overflow: hidden;
  flex: 1;
}

.servicios__grid {
  display: flex;
  gap: 24px;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.servicios__grid .servicio-card {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: 0;
}

/* Slider buttons */
.slider__btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--blue-dark, #1e3a5f);
  background: #fff;
  color: var(--blue-dark, #1e3a5f);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, opacity 0.2s;
}

.slider__btn:hover {
  background: var(--blue-dark, #1e3a5f);
  color: #fff;
}

.slider__btn:disabled {
  opacity: 0.3;
  cursor: default;
}

/* Dots */
.slider__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: #ccc;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}

.slider__dot.active {
  background: var(--blue-dark, #1e3a5f);
  transform: scale(1.3);
}

.servicio-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
}

.servicio-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.servicio-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: var(--blue);
}

.servicio-card__header {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.servicio-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.servicio-card__header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.servicio-card__body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.servicio-card__desc {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.servicio-card__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.servicio-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .86rem;
  color: var(--gray-600);
}

.servicio-card__list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

.servicio-card__footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--gray-100);
}

.servicio-card__para {
  display: block;
  font-size: .78rem;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.servicio-card__beneficio {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--blue-dark);
}

.servicios__cta {
  text-align: center;
  padding: 48px;
  background: var(--blue-light);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(41,128,185,.15);
}

.servicios__cta p {
  font-size: 1.1rem;
  color: var(--blue-dark);
  font-weight: 500;
  margin-bottom: 20px;
}

/* ===========================
   BENEFICIOS
   =========================== */
.beneficios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.beneficio-item {
  text-align: center;
  padding: 32px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}

.beneficio-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.beneficio-item__icon {
  width: 72px;
  height: 72px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: all var(--transition);
}

.beneficio-item:hover .beneficio-item__icon {
  background: var(--blue);
  color: #fff;
  transform: scale(1.08);
}

.beneficio-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.beneficio-item p {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ===========================
   SOBRE MÍ
   =========================== */
.sobre-mi__grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}

.sobre-mi__photo-wrapper {
  margin-bottom: 20px;
}

.sobre-mi__photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--blue-light), #D6EAF8);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--gray-400);
  font-size: .9rem;
  border: 2px dashed var(--gray-200);
}

.sobre-mi__photo-placeholder svg {
  color: var(--gray-300);
}

.sobre-mi__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: var(--blue-dark);
  color: #fff;
  font-size: .75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
}

.sobre-mi__content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gray-800);
  line-height: 1;
  margin: 10px 0 4px;
}

.sobre-mi__content h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 20px;
}

.sobre-mi__bio {
  font-size: .97rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 14px;
}

.sobre-mi__certs {
  margin-top: 24px;
}

.sobre-mi__certs h4,
.sobre-mi__especialidades h4 {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.sobre-mi__certs ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sobre-mi__certs ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  color: var(--gray-600);
}

.sobre-mi__certs ul li svg {
  color: var(--blue);
  flex-shrink: 0;
}

.sobre-mi__especialidades {
  margin-top: 24px;
}

.especialidades__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.especialidades__grid span {
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: .82rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #1a3a5c 100%);
}

.cta-section__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 16px 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}

.cta-section__inner.visible {
  opacity: 1;
  transform: translateY(0);
}

.cta-section__content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.cta-section__content p {
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  margin-bottom: 24px;
}

.cta-section__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-section__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.85);
  font-size: .93rem;
}

.cta-section__list li svg {
  color: #4ade80;
  flex-shrink: 0;
}

.cta-section__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

/* ===========================
   CONTACTO
   =========================== */
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: start;
}

/* Form */
.contacto-form {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-800);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--gray-50);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(41,128,185,.12);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--red);
  background: #FEF2F2;
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  font-size: .78rem;
  color: var(--red);
  font-weight: 500;
  min-height: 16px;
}

.form-success[hidden] {
  display: none;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #F0FDF4;
  color: #166534;
  border: 1px solid #86efac;
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 12px;
}

/* Contact info */
.contacto-info {
  background: var(--blue-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
}

.contacto-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.contacto-info__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contacto-info__list li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contacto-info__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contacto-info__icon--green {
  background: var(--green);
}

.contacto-info__list li strong {
  display: block;
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 2px;
}

.contacto-info__list li a,
.contacto-info__list li span {
  font-size: .95rem;
  color: rgba(255,255,255,.9);
}

.contacto-info__list li a:hover {
  color: #fff;
  text-decoration: underline;
}

.contacto-info__horario {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 20px;
}

.contacto-info__horario h4 {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: rgba(255,255,255,.5);
  margin-bottom: 8px;
}

.contacto-info__horario p {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 4px;
}

.mapa-placeholder {
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  border: 1px dashed rgba(255,255,255,.2);
}

.mapa-placeholder svg {
  color: rgba(255,255,255,.4);
}

.mapa-placeholder span {
  font-size: .9rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
}

.mapa-placeholder small {
  font-size: .78rem;
  color: rgba(255,255,255,.45);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--gray-800);
  color: rgba(255,255,255,.7);
}

.footer__inner {
  padding-top: 64px;
  padding-bottom: 32px;
}

.footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__col h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__col ul li a {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer__col ul li a:hover {
  color: #fff;
}

.footer__tagline {
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(255,255,255,.5);
  margin: 12px 0 20px;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--blue);
  color: #fff;
  transform: translateY(-2px);
}

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: rgba(255,255,255,.6);
}

.footer__contact-list li svg {
  flex-shrink: 0;
  color: rgba(255,255,255,.35);
}

.footer__contact-list li a {
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer__contact-list li a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom p {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}

.logo--white .logo__name { color: #fff; }
.logo--white .logo__subtitle { color: rgba(255,255,255,.5); }

/* ===========================
   WHATSAPP FLOAT
   =========================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: all var(--transition);
  animation: float-in .5s ease .5s both;
}

.whatsapp-float:hover {
  background: var(--green-dark);
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 70px;
  background: var(--gray-800);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--gray-800);
}

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

@keyframes float-in {
  from { opacity: 0; transform: scale(.5); }
  to   { opacity: 1; transform: scale(1); }
}

/* ===========================
   ANIMATIONS
   =========================== */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger delays */
[data-animate]:nth-child(1) { transition-delay: 0s; }
[data-animate]:nth-child(2) { transition-delay: .08s; }
[data-animate]:nth-child(3) { transition-delay: .16s; }
[data-animate]:nth-child(4) { transition-delay: .24s; }
[data-animate]:nth-child(5) { transition-delay: .32s; }
[data-animate]:nth-child(6) { transition-delay: .40s; }
[data-animate]:nth-child(7) { transition-delay: .48s; }

/* ===========================
   RESPONSIVE – TABLET
   =========================== */
@media (max-width: 1024px) {
  .servicios__grid .servicio-card {
    flex: 0 0 calc((100% - 24px) / 2);
  }

  .problemas__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problema-card--full {
    grid-column: span 2;
  }

  .sobre-mi__grid {
    grid-template-columns: 280px 1fr;
    gap: 40px;
  }

  .footer__cols {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .cta-section__list {
    align-items: center;
  }

  .cta-section__actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

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

/* ===========================
   RESPONSIVE – MOBILE
   =========================== */
@media (max-width: 768px) {
  .section { padding: 64px 0; }

  /* Header */
  .nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 999;
  }

  .nav.open {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    gap: 4px;
  }

  .nav__link {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero { padding: 100px 0 64px; min-height: auto; }
  .hero__stats { flex-direction: column; gap: 12px; }
  .stat__divider { width: 80px; height: 1px; }
  .hero__scroll { display: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }

  /* Grids */
  .problemas__grid,
  .problema-card--full { grid-column: span 1; }
  .problemas__grid { grid-template-columns: 1fr; }

  .servicios__grid .servicio-card { flex: 0 0 100%; }
  .beneficios__grid { grid-template-columns: 1fr 1fr; }

  /* Sobre mi */
  .sobre-mi__grid { grid-template-columns: 1fr; }
  .sobre-mi__photo-wrapper { max-width: 280px; margin: 0 auto; }
  .sobre-mi__photo-col { text-align: center; }
  .sobre-mi__tags { justify-content: center; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contacto-form { padding: 24px; }

  /* Footer */
  .footer__cols { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  /* WhatsApp float */
  .whatsapp-float { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .beneficios__grid { grid-template-columns: 1fr; }
  .hero__stats { width: 100%; }
  .stat { align-items: center; }
}