/* ================================================
   DF Asesorías – Daniel Flores Muñoz
   Landing Page de Servicios Profesionales
   Mobile-First · Paleta Corporativa
   ================================================ */

/* ---- Variables ---- */
:root {
  --navy:         #1c2d5a;
  --navy-dark:    #111d3e;
  --navy-mid:     #2e4080;
  --navy-pale:    #eaecf5;
  --gray:         #5c6472;
  --gray-light:   #9aa0ad;
  --gray-100:     #f3f4f8;
  --gray-200:     #e2e5ee;
  --gray-700:     #3e4659;
  --gray-900:     #111827;
  --white:        #ffffff;
  --green-wsp:    #25d366;
  --gold:         #c8a85a;
  --gold-light:   #dfc07a;
  --shadow-sm:    0 2px 12px rgba(28,45,90,0.09);
  --shadow-md:    0 8px 32px rgba(28,45,90,0.16);
  --shadow-lg:    0 20px 60px rgba(28,45,90,0.22);
  --radius:       14px;
  --radius-sm:    8px;
  --transition:   all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset & Base (Mobile-First) ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
h1,h2,h3,h4 {
  font-family: 'Montserrat', sans-serif;
  color: var(--gray-900);
  line-height: 1.25;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ================================================
   NAVBAR
   ================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
  padding: 16px 0;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}
.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-svg { display: flex; align-items: center; }
.nav-brand-text { display: flex; flex-direction: column; }
.brand-main {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.navbar.scrolled .brand-main { color: var(--navy-dark); }
.brand-sub {
  font-size: 0.65rem;
  color: #D1D1D1;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}
.navbar.scrolled .brand-sub { color: var(--gray-light); }
.nav-links {
  display: none;
  align-items: center;
  gap: 6px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.87rem;
  color: rgba(255,255,255,0.9);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.navbar.scrolled .nav-link { color: var(--gray-700); }
.nav-link:hover { color: var(--gold); background: rgba(255,255,255,0.1); }
.navbar.scrolled .nav-link:hover { color: var(--navy); background: var(--navy-pale); }
.nav-link.active { color: var(--gold) !important; }
.btn-nav-cta {
  background: var(--navy-mid) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px rgba(28,45,90,0.35);
}
.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(28,45,90,0.5);
  background: var(--navy) !important;
}
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--white);
  border-radius: 3px;
  transition: var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--navy-dark); }
.nav-links.open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--navy-dark);
  padding: 80px 24px 32px;
  gap: 4px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}
.nav-links.open .nav-link {
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}
.nav-links.open .btn-nav-cta {
  margin-top: 12px;
  text-align: center;
  display: block;
}

/* ================================================
   HERO
   ================================================ */
.hero {
  min-height: 100dvh;
  background: linear-gradient(150deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-mid) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 20px 80px;
  position: relative;
  overflow: hidden;
}
.hero-bg-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.04); }
.shape-1 { width: 500px; height: 500px; top: -180px; right: -120px; }
.shape-2 { width: 320px; height: 320px; bottom: -80px; left: -100px; }
.shape-3 { width: 180px; height: 180px; top: 40%; left: 8%; background: rgba(200,168,90,0.07); }
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 820px;
  width: 100%;
}
.hero-badge {
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.9);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 7px 20px;
  border-radius: 50px;
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-badge i { color: var(--gold); }
.hero-title {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  text-shadow: 0 4px 24px rgba(0,0,0,0.22);
  margin-top: -4px;
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.76);
  font-weight: 300;
  line-height: 1.7;
  max-width: 600px;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}
.btn-primary {
  background: var(--white);
  color: var(--navy-dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 50px;
  box-shadow: 0 6px 22px rgba(255,255,255,0.22);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  background: var(--gray-200);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255,255,255,0.32);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.45);
  transition: var(--transition);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.85);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 18px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  padding: 20px 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.stat { text-align: center; display: flex; flex-direction: column; align-items: center; }
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--white);
  line-height: 1;
}
.stat-plus {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: #F8D361;
  vertical-align: super;
  margin-left: 2px;
}
.stat-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 4px;
}
.stat-divider { width: 1.5px; height: 40px; background: rgba(255,255,255,0.22); }
.hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
  letter-spacing: 1px;
  animation: bounceHint 2s ease-in-out infinite;
  cursor: pointer;
}
.hero-scroll-hint i { font-size: 0.85rem; }
@keyframes bounceHint {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ================================================
   SECTION COMMONS
   ================================================ */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: var(--navy-pale);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1.5px solid var(--gray-200);
}
.section-header.light .section-tag {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.2);
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.section-header.light .section-title { color: var(--white); }
.section-subtitle { color: rgba(255,255,255,0.72); font-size: 1rem; margin-top: 8px; }
.section-divider {
  width: 56px; height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
  border-radius: 4px;
  margin: 16px auto 0;
}
.section-divider.light { background: linear-gradient(90deg, rgba(255,255,255,0.5), var(--gold)); }

/* ================================================
   SERVICIOS
   ================================================ */
.services {
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}
.services-bg-shape {
  position: absolute;
  top: -100px; right: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.service-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--white));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  background: rgba(255,255,255,0.13);
  border-color: rgba(255,255,255,0.28);
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.28);
}
.service-card.featured {
  background: rgba(255,255,255,0.12);
  border-color: rgba(200,168,90,0.45);
}
.service-card.featured:hover {
  border-color: var(--gold);
  box-shadow: 0 24px 56px rgba(200,168,90,0.2);
}
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--gray), var(--gray-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(92,100,114,0.28);
  transition: var(--transition);
  flex-shrink: 0;
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
}
.service-icon i { font-size: 1.4rem; color: var(--white); }
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 16px;
}
.service-card p strong { color: rgba(255,255,255,0.92); }
.service-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
  flex: 1;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.75);
}
.service-list li i { color: var(--gold); font-size: 0.7rem; flex-shrink: 0; }
.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-light);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: auto;
  transition: var(--transition);
}
.service-cta:hover { color: var(--white); gap: 10px; }

/* ================================================
   PAGE HERO (páginas internas como experiencia.html)
   ================================================ */
.page-hero {
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 120px 0 60px;
  text-align: center;
}
.page-hero-content { max-width: 700px; margin: 0 auto; }

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb i { font-size: 0.65rem; }
.breadcrumb span { color: var(--gold); }

.page-hero-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  line-height: 1.2;
  margin: 0 0 16px;
}
.page-hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  margin: 0;
}

/* ================================================
   EXPERIENCIA / PRUEBA SOCIAL
   ================================================ */
.proof {
  background: #f8f9fa;
  padding: 90px 0 70px;
  position: relative;
}
.proof .section-header { text-align: center; }
.proof .section-title  { color: var(--navy-dark); }
.proof .section-tag    { background: rgba(28,45,90,0.08); color: var(--navy); }
.proof .section-divider { background: var(--navy); }

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}
@media (min-width: 640px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
}

.proof-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 32px 32px;
  border: 1px solid rgba(28,45,90,0.08);
  box-shadow: 0 4px 20px rgba(28,45,90,0.06);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.proof-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(28,45,90,0.14);
  border-color: rgba(28,45,90,0.18);
}
.proof-card--highlight {
  border-color: var(--gold);
  box-shadow: 0 6px 28px rgba(200,168,90,0.18);
}
.proof-card--highlight:hover {
  box-shadow: 0 14px 40px rgba(200,168,90,0.28);
}

.proof-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.proof-card--highlight .proof-icon {
  background: linear-gradient(135deg, var(--gold) 0%, #b8922a 100%);
}
.proof-icon i { font-size: 1.4rem; color: var(--white); }

.proof-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--navy-dark);
  line-height: 1.35;
}
.proof-card > p {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.65;
  flex-grow: 1;
}

.proof-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.proof-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--navy-dark);
  font-weight: 500;
  line-height: 1.45;
}
.proof-list li i {
  color: var(--gold);
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 4px;
}
.proof-card--highlight .proof-list li i { color: var(--navy); }

.proof-cta {
  text-align: center;
  margin-top: 52px;
}
.btn-proof-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 18px 42px;
  border-radius: 50px;
  text-decoration: none;
  letter-spacing: 0.3px;
  box-shadow: 0 8px 28px rgba(28,45,90,0.28);
  transition: var(--transition);
}
.btn-proof-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(28,45,90,0.38);
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
}
.btn-proof-cta i { font-size: 1.1rem; }

/* ================================================
   BOTÓN RETORNO A SERVICIOS (experiencia.html)
   ================================================ */
.back-to-services {
  background: #f8f9fa;
  padding: 56px 0 72px;
  text-align: center;
}
.btn-back-services {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 20px 52px;
  border-radius: 50px;
  text-decoration: none;
  border: 2px solid var(--navy);
  letter-spacing: 0.3px;
  box-shadow: 0 4px 20px rgba(28,45,90,0.12);
  transition: var(--transition);
}
.btn-back-services:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(28,45,90,0.28);
}
.btn-back-services i { font-size: 1rem; }

/* ================================================
   CONTACTO
   ================================================ */
.contact {
  background: linear-gradient(140deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}
.contact-bg-shape {
  position: absolute;
  bottom: -160px; left: -130px;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
.btn-whatsapp-big {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--green-wsp);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 18px;
  transition: var(--transition);
  box-shadow: 0 8px 28px rgba(37,211,102,0.35);
}
.btn-whatsapp-big:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(37,211,102,0.5);
}
.btn-whatsapp-big i { font-size: 2.2rem; flex-shrink: 0; }
.btn-whatsapp-big strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}
.btn-whatsapp-big span { font-size: 0.84rem; opacity: 0.88; }
.contact-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.15);
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 12px;
  transition: var(--transition);
  color: var(--white);
  cursor: pointer;
}
.contact-card:hover { background: rgba(255,255,255,0.13); transform: translateX(5px); }
.contact-card.no-link { cursor: default; }
.contact-card.no-link:hover { transform: none; }
.contact-icon {
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon i { font-size: 1.05rem; color: var(--white); }
.contact-icon.linkedin { background: #0077b5; }
.contact-icon.location { background: var(--gold); }
.contact-icon.location i { color: var(--navy-dark); }
.contact-card strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 2px;
}
.contact-card span { font-size: 0.88rem; color: var(--white); }
.contact-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 6px;
  background: rgba(200,168,90,0.13);
  border: 1px solid rgba(200,168,90,0.32);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
  color: var(--gold-light);
  font-size: 0.83rem;
}
.contact-note i { color: var(--gold); font-size: 0.95rem; flex-shrink: 0; margin-top: 2px; }
.contact-form-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
}
.contact-form-box h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gray-200);
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 5px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--gray-900);
  background: var(--gray-100);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(28,45,90,0.1);
}
.form-group textarea { resize: vertical; min-height: 96px; }
.btn-form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(28,45,90,0.4);
}
.form-success {
  display: none;
  margin-top: 14px;
  background: #e8f8f0;
  color: #1a7f4b;
  border: 1.5px solid #a3e0c0;
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  align-items: center;
  gap: 8px;
}
.form-success.show { display: flex; }
.form-error {
  display: none;
  margin-top: 14px;
  background: #fef2f2;
  color: #b91c1c;
  border: 1.5px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  align-items: center;
  gap: 8px;
}
.form-error.show { display: flex; }

/* ================================================
   SOBRE MÍ
   ================================================ */
.about { background: var(--gray-100); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
.about-avatar-col { display: flex; flex-direction: column; gap: 24px; align-items: center; }
.avatar-placeholder { position: relative; display: flex; justify-content: center; }
.avatar-badge-float {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 7px 16px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(28,45,90,0.35);
  display: flex;
  align-items: center;
  gap: 6px;
}
.skills-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  width: 100%;
  max-width: 380px;
}
.skills-box h4 {
  font-size: 0.9rem;
  color: var(--navy-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-item { margin-bottom: 12px; }
.skill-item span {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--gray-700);
  display: block;
  margin-bottom: 4px;
}
.skill-bar { background: var(--gray-200); border-radius: 50px; height: 6px; overflow: hidden; }
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--navy), var(--navy-mid));
  border-radius: 50px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.about-info-col { flex: 1; }
.about-intro {
  font-size: 1.05rem;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-desc { color: var(--gray-700); margin-bottom: 28px; line-height: 1.8; }
.about-highlights { display: grid; grid-template-columns: 1fr; gap: 12px; }
.highlight-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.highlight-card:hover {
  border-color: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.highlight-card i { font-size: 1.2rem; color: var(--navy); margin-top: 3px; flex-shrink: 0; }
.highlight-card strong {
  display: block;
  font-size: 0.8rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--navy-dark);
  margin-bottom: 2px;
}
.highlight-card span { font-size: 0.8rem; color: var(--gray-700); line-height: 1.5; }

/* ================================================
   FOOTER
   ================================================ */
.footer { background: var(--navy-dark); padding: 56px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand-name {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--white);
}
.footer-brand-sub { display: block; font-size: 0.72rem; color: rgba(255,255,255,0.45); margin-top: 2px; }
.footer-slogan { color: rgba(255,255,255,0.6); font-style: italic; font-size: 0.87rem; margin-bottom: 18px; line-height: 1.5; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); }
.footer-links h4,
.footer-services h4,
.footer-contact h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 14px;
}
.footer-links ul li { margin-bottom: 9px; }
.footer-links ul li a { color: rgba(255,255,255,0.6); font-size: 0.88rem; transition: var(--transition); }
.footer-links ul li a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-services ul li {
  color: rgba(255,255,255,0.58);
  font-size: 0.85rem;
  margin-bottom: 7px;
  padding-left: 12px;
  position: relative;
}
.footer-services ul li::before { content: '–'; position: absolute; left: 0; color: var(--gold); }
.footer-contact p {
  color: rgba(255,255,255,0.62);
  font-size: 0.85rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact p i { color: var(--gold); font-size: 0.9rem; width: 14px; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}
.footer-bottom p { color: rgba(255,255,255,0.38); font-size: 0.78rem; }
.footer-bottom-right { color: rgba(255,255,255,0.28) !important; }

/* ================================================
   WHATSAPP FLOTANTE & BACK TO TOP
   ================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
  width: 56px; height: 56px;
  background: var(--green-wsp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 22px rgba(37,211,102,0.45);
  transition: var(--transition);
}
.whatsapp-float i { font-size: 1.6rem; color: var(--white); }
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 10px 32px rgba(37,211,102,0.6);
}
.wsp-tooltip {
  position: absolute;
  right: 66px;
  background: var(--gray-900);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.whatsapp-float:hover .wsp-tooltip { opacity: 1; }
.back-to-top {
  position: fixed;
  bottom: 92px; right: 24px;
  z-index: 900;
  width: 44px; height: 44px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--navy-mid); transform: translateY(-3px); }
.back-to-top i { font-size: 0.9rem; }

/* ================================================
   ANIMACIONES
   ================================================ */
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-6px); }
  40%,80% { transform: translateX(6px); }
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ================================================
   RESPONSIVE – Tablets (≥ 640px)
   ================================================ */
@media (min-width: 640px) {
  .container { padding: 0 32px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-highlights { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ================================================
   RESPONSIVE – Desktop (≥ 900px)
   ================================================ */
@media (min-width: 900px) {
  .hamburger { display: none; }
  .nav-links {
    display: flex !important;
    position: static;
    background: transparent;
    padding: 0;
    flex-direction: row;
    gap: 6px;
    box-shadow: none;
  }
  .nav-links .nav-link { font-size: 0.87rem; padding: 8px 14px; color: rgba(255,255,255,0.9); }
  .navbar.scrolled .nav-links .nav-link { color: var(--gray-700); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1.35fr; gap: 48px; }
  .about-grid { grid-template-columns: 320px 1fr; gap: 56px; }
  .about-avatar-col { align-items: stretch; }
  .skills-box { max-width: none; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
}

/* ================================================
   RESPONSIVE – Desktop Grande (≥ 1160px)
   ================================================ */
@media (min-width: 1160px) {
  section { padding: 100px 0; }
}