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

/* ===== VARIABLES CSS ===== */
:root {
  /* Fondos */
  --bg-primary:     #060912;
  --bg-secondary:   #0a0f1e;
  --bg-card:        #0d1525;
  --bg-card-hover:  #111d35;

  /* Acentos */
  --accent-blue:    #2563eb;
  --accent-blue-lt: #3b82f6;
  --accent-glow:    rgba(37, 99, 235, 0.15);

  /* Textos */
  --text-primary:   #f0f4ff;
  --text-secondary: #8ba3c4;
  --text-muted:     #3a5a7a;

  /* Bordes */
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-accent:  rgba(37, 99, 235, 0.3);

  /* Otros */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  color: var(--text-primary);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

::selection {
  background: rgba(37, 99, 235, 0.3);
  color: white;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-blue);
  border-radius: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section--primary {
  background: var(--bg-primary);
}

.section--secondary {
  background: var(--bg-secondary);
}

.section-separator {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-subtle), transparent);
}

.section-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent-blue);
  z-index: 200;
  transition: width 0.1s linear;
}

/* ===== CUSTOM CURSOR ===== */
.cursor {
  display: none;
}

@media (min-width: 641px) and (hover: hover) {
  * {
    cursor: none;
  }

  .cursor {
    display: block;
    width: 10px;
    height: 10px;
    background: var(--accent-blue);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease;
    transform: translate(-50%, -50%);
  }

  .cursor--hover {
    transform: translate(-50%, -50%) scale(1.8);
  }
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent-blue-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-secondary);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.nav--scrolled {
  background: rgba(6, 9, 18, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
}

.nav__logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}

.nav__logo-jg {
  color: var(--text-primary);
}

.nav__logo-dot {
  color: var(--accent-blue);
}

.nav__logo-cv {
  color: var(--text-secondary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  position: relative;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color var(--transition);
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link--active {
  color: var(--accent-blue-lt);
}

.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  flex-shrink: 0;
  padding: 10px 22px;
  font-size: 14px;
}

.nav__cta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  z-index: 110;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 105;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 18, 0.6);
  z-index: 104;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu__overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mobile-menu__link {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition);
}

.mobile-menu__link:hover {
  color: var(--accent-blue-lt);
}

.mobile-menu__cta {
  width: 100%;
  text-align: center;
}

body.menu-open {
  overflow: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.hero__label {
  margin-bottom: 16px;
}

.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  color: #60a5fa;
  margin-bottom: 24px;
}

.availability-pill::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-name__line {
  display: block;
}

.hero-name__line--surname {
  font-weight: 700;
  color: #dce4f5;
}

.hero__subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 20px;
  min-height: 1.5em;
}

.hero__descs {
  margin-bottom: 32px;
}

.hero__desc {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  max-width: 520px;
}

.hero__desc:last-of-type {
  margin-bottom: 0;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__image-wrapper {
  position: relative;
  max-width: 400px;
  margin: 0 auto;
}

.hero__image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
  border-radius: 24px;
  transition: opacity var(--transition);
  pointer-events: none;
}

.hero__image-wrapper:hover .hero__image-glow {
  opacity: 1.5;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, transparent 70%);
}

.hero__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 16px;
  border: 1px solid var(--border-accent);
  position: relative;
  z-index: 1;
  transition: box-shadow var(--transition);
}

.hero__image-wrapper:hover .hero__image {
  box-shadow: 0 0 40px rgba(37, 99, 235, 0.25);
}

/* Hero Animations */
.hero-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-animate--scale {
  transform: scale(0.95);
  opacity: 0;
}

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

.hero-animate--scale.visible {
  transform: scale(1);
}

/* Authority Banner */
.authority-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(10, 15, 30, 0.8);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  margin: 48px auto 0;
  max-width: 1200px;
  position: relative;
  z-index: 1;
}

.authority-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-blue-lt);
}

.authority-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.authority-text p {
  font-size: 14px;
  line-height: 1.6;
}

.authority-text strong {
  color: var(--text-primary);
}

.authority-badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 100px;
  padding: 8px 16px;
  white-space: nowrap;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
}

/* ===== STATS ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
  text-align: center;
}

.stats__number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--accent-blue-lt);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stats__number--large {
  font-size: clamp(28px, 4.5vw, 44px);
  letter-spacing: -0.02em;
}

.stats__label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== SERVICES ===== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

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

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-blue-lt);
  margin-bottom: 16px;
}

.service-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.service-card__tag {
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  padding: 4px 10px;
}

/* ===== GALLERY ===== */
.gallery__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.gallery__filter {
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  padding: 8px 20px;
  transition: var(--transition);
}

.gallery__filter:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.gallery__filter--active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.gallery-card.hidden {
  display: none;
}

.gallery-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-card__img {
  transform: scale(1.05);
}

.gallery-card__img--phones {
  object-position: center 35%;
}

.gallery-card__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
}

.gallery-card__placeholder i {
  font-size: 64px;
  color: rgba(37, 99, 235, 0.2);
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 9, 18, 0.95) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.gallery-card:hover .gallery-card-overlay {
  opacity: 1;
}

.gallery-card__category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue-lt);
  margin-bottom: 6px;
}

.gallery-card-overlay p {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 9, 18, 0.92);
  backdrop-filter: blur(8px);
}

.lightbox__content {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 640px;
  width: 100%;
  animation: lightbox-in 0.3s ease;
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 18px;
  transition: var(--transition);
}

.lightbox__close:hover {
  background: rgba(37, 99, 235, 0.2);
  color: var(--accent-blue-lt);
}

.lightbox__image {
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
}

.lightbox__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-md);
}

.lightbox__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.lightbox__desc {
  font-size: 15px;
  line-height: 1.7;
}

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

.education__column-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
}

.certs-list--column {
  max-width: none;
  margin-top: 20px;
}

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

.contact__grid--simple {
  grid-template-columns: 1fr;
  max-width: 520px;
  margin: 0 auto;
}

.contact__intro {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact__cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.contact__card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition);
  font-size: 15px;
  color: var(--text-primary);
}

.contact__card:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.contact__card i {
  font-size: 20px;
  color: var(--accent-blue-lt);
}

.contact__card--static {
  cursor: default;
}

.contact__card--static:hover {
  transform: none;
}

.contact__availability p {
  font-size: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-input,
.contact-textarea,
.contact-select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}

.contact-textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238ba3c4' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.contact-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.contact-input:focus,
.contact-textarea:focus,
.contact-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.contact-input::placeholder,
.contact-textarea::placeholder {
  color: var(--text-muted);
}

.contact__submit {
  width: 100%;
  margin-top: 8px;
}

.contact__success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-sm);
  color: #22c55e;
  font-size: 15px;
  animation: success-in 0.5s ease;
}

.contact__success[hidden] {
  display: none;
}

@keyframes success-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.contact__success i {
  font-size: 20px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
}

.footer__container {
  text-align: center;
}

.footer__logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 8px;
}

.footer__tagline {
  font-size: 14px;
  margin-bottom: 24px;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.footer__nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--accent-blue-lt);
}

.footer__nav-sep {
  color: var(--text-muted);
}

.footer__contact-info {
  font-size: 14px;
  margin-bottom: 20px;
}

.footer__contact-info a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__contact-info a:hover {
  color: var(--accent-blue-lt);
}

.footer__copyright {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== SCROLL REVEAL (legacy — compatibilidad) ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===== SCROLL ANIMATIONS ===== */
.will-animate { opacity: 0; }

.fade-up.will-animate    { transform: translateY(40px); }
.fade-scale.will-animate { transform: scale(0.92); }
.fade-left.will-animate  { transform: translateX(-30px); }

.will-animate.animated {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .will-animate,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .will-animate.animated,
  .reveal.revealed {
    transition: none !important;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ===== TÍTULOS & CERTIFICACIONES ===== */
.certs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 820px;
  margin: 48px auto 0;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.cert-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.cert-item--featured {
  border-left: 3px solid var(--accent-blue);
}

.cert-item__thumb {
  flex-shrink: 0;
  width: 56px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.cert-item:hover .cert-item__thumb img {
  opacity: 1;
}

.cert-item__thumb--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent-blue-lt);
  background: rgba(37, 99, 235, 0.08);
}

.cert-item__body {
  flex: 1;
  min-width: 0;
}

.cert-item__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.cert-item__tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue-lt);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 100px;
  padding: 2px 8px;
}

.cert-item__date {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.cert-item__title {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 3px;
}

.cert-item__entity {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-item__view {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  transition: var(--transition);
}

.cert-item:hover .cert-item__view {
  color: var(--accent-blue-lt);
}

.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 24px;
}

.cert-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.cert-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 14, 0.94);
  backdrop-filter: blur(12px);
}

.cert-lightbox__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.cert-lightbox__img-wrap {
  width: 100%;
  max-height: 78vh;
  overflow: auto;
  border-radius: var(--radius-md);
  background: #f4f6fa;
  padding: 12px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.cert-lightbox__img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.cert-lightbox__caption {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  line-height: 1.5;
}

.cert-lightbox__close,
.cert-lightbox__prev,
.cert-lightbox__next {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 18px;
}

.cert-lightbox__close {
  top: -48px;
  right: 0;
}

.cert-lightbox__prev {
  left: -52px;
  top: 50%;
  transform: translateY(-50%);
}

.cert-lightbox__next {
  right: -52px;
  top: 50%;
  transform: translateY(-50%);
}

.cert-lightbox__close:hover,
.cert-lightbox__prev:hover,
.cert-lightbox__next:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .cert-item {
    gap: 14px;
    padding: 14px 16px;
  }

  .cert-item__thumb {
    width: 48px;
    height: 62px;
  }

  .cert-item__title {
    font-size: 14px;
  }

  .cert-item__entity {
    white-space: normal;
    font-size: 12px;
  }

  .cert-item__view {
    display: none;
  }

  .cert-lightbox__prev {
    left: 8px;
  }

  .cert-lightbox__next {
    right: 8px;
  }

  .cert-lightbox__close {
    top: 8px;
    right: 8px;
  }
}

@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    order: 2;
  }

  .hero__image-wrapper {
    order: 1;
    max-width: 320px;
  }

  .hero__descs {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__desc {
    max-width: 540px;
  }

  .hero__buttons {
    justify-content: center;
  }

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

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

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

  .authority-badge {
    align-self: center;
  }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .hero-name {
    font-size: clamp(28px, 8vw, 40px);
  }

  .services__grid,
  .gallery__grid,
  .stats {
    grid-template-columns: 1fr;
  }

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

  .gallery__filters {
    gap: 8px;
  }

  .gallery__filter {
    font-size: 13px;
    padding: 6px 14px;
  }

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

  .hero__buttons .btn-primary,
  .hero__buttons .btn-secondary {
    width: 100%;
  }
}

/* ===================================================
   MOBILE & TABLET OPTIMIZATION
   Mobile: hasta 640px | Tablet: 641–1024px | Desktop: 1024px+
   =================================================== */

/* Tipografía fluida */
.section-title {
  font-size: clamp(26px, 5vw, 42px);
}

.section-label {
  font-size: clamp(11px, 2vw, 13px);
}

.section-desc {
  font-size: clamp(14px, 2.5vw, 16px);
}

.service-card__title {
  font-size: clamp(15px, 2.5vw, 18px);
}

.hero__subtitle {
  font-size: clamp(14px, 3vw, 18px);
}

/* Imágenes & overflow */
img {
  max-width: 100%;
  height: auto;
}

body {
  overflow-x: hidden;
}

.section {
  overflow: hidden;
}

/* Navegación mobile mejorada */
.mobile-menu {
  background: rgba(6, 9, 18, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu__link {
  font-size: 22px;
}

.hamburger__line {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Lightbox galería — navegación */
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 18px;
  z-index: 2;
}

.lightbox__prev { left: -52px; }
.lightbox__next { right: -52px; }

.lightbox__prev:hover,
.lightbox__next:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.lightbox__content {
  position: relative;
}

/* Tablet: 641px – 1024px */
@media (min-width: 641px) and (max-width: 1024px) {
  .hero {
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 80px;
  }

  .hero__container {
    gap: 32px;
  }

  .hero-name {
    font-size: clamp(42px, 7vw, 64px);
  }

  .hero__image-wrapper {
    max-width: 260px;
  }

  .hero__image {
    aspect-ratio: 1 / 1;
    object-position: center 20%;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .certs-list--column {
    gap: 14px;
  }

  .education__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .lightbox__prev { left: 8px; }
  .lightbox__next { right: 8px; }
}

/* Mobile: hasta 640px */
@media (max-width: 640px) {
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 0;
    gap: 24px;
  }

  .hero__content {
    order: 2;
  }

  .hero__image-wrapper {
    order: -1;
    max-width: 200px;
    margin: 0 auto 32px;
  }

  .hero__image {
    aspect-ratio: 1 / 1;
    width: 200px;
    height: 200px;
    object-fit: cover;
    margin: 0 auto;
  }

  .hero-name {
    font-size: clamp(36px, 11vw, 56px);
  }

  .hero__desc {
    font-size: 14px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero__descs {
    margin-bottom: 24px;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .hero__buttons .btn-primary,
  .hero__buttons .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .services__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .gallery__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .certs-list {
    gap: 14px;
  }

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

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

  .contact-input,
  .contact-textarea,
  .contact-select {
    font-size: 16px;
    padding: 12px 14px;
  }

  .contact-textarea {
    min-height: 120px;
  }

  .lightbox__prev { left: 4px; }
  .lightbox__next { right: 4px; }
  .lightbox__close { top: 4px; right: 4px; }

  nav a,
  button,
  .cert-item,
  .gallery-card {
    min-height: 44px;
  }

  .nav__link {
    padding: 12px 8px;
  }

  .gallery__filter {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}