/* ============================================================
   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: #F0EDE8;
  background: #0D0D0D;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --orange:       #F7931E;
  --orange-dark:  #D97A10;
  --teal:         #00B4A0;
  --dark:         #0D0D0D;
  --dark-2:       #141414;
  --dark-3:       #1A1A1A;
  --navy:         #0F1F3D;
  --cream:        #F5F2ED;
  --cream-2:      #EDE9E3;
  --white:        #FFFFFF;
  --gray:         rgba(255,255,255,.5);
  --gray-light:   rgba(255,255,255,.15);
  --border-dark:  rgba(255,255,255,.08);
  --border-light: rgba(0,0,0,.1);
  --text-dark:    #1A1A1A;
  --text-muted:   #555555;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --max-w: 1200px;

  /* Photo placeholders — swap these URLs with real photos */
  --hero-photo: linear-gradient(160deg, #0F1F3D 0%, #1A3A5C 40%, #0D2A1F 100%);
}

/* ============================================================
   SKIP LINK — Accesibilidad WCAG 2.4.1
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--orange);
  color: #000;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 8px 0;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ============================================================
   FOCUS VISIBLE — Accesibilidad WCAG 2.4.7
   ============================================================ */
*:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}
*:focus:not(:focus-visible) { outline: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
}
p { line-height: 1.75; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}
.section-pad { padding: 120px 0; }

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible,
.reveal--right.is-visible,
.reveal--left.is-visible { opacity: 1; transform: none; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,.08);
  transition: box-shadow .3s ease, padding .3s ease;
  padding: 12px 0;
}
.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.1);
  padding: 10px 0;
}
.navbar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.navbar__logo { flex-shrink: 0; display: flex; align-items: center; }
.navbar__logo img { height: 40px; width: auto; max-width: 180px; }
.navbar__nav { flex: 1; }
.navbar__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar__link {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: #444;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
}
.navbar__link:hover,
.navbar__link.active { color: var(--orange); }
.icon-chevron { transition: transform .2s ease; }
.navbar__item--dropdown { position: relative; }
.navbar__item--dropdown:hover .navbar__dropdown { opacity: 1; pointer-events: auto; transform: translateY(0); }
.navbar__item--dropdown:hover .icon-chevron { transform: rotate(180deg); }

.navbar__dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 230px;
  background: #1A1A1A;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease;
}
.navbar__dropdown li a {
  display: block;
  padding: 10px 14px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.navbar__dropdown li a:hover {
  background: rgba(255,255,255,.06);
  color: var(--white);
}

.navbar__actions { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
}
.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn--lg { font-size: 15px; padding: 18px 36px; }
.btn--block { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--orange);
  color: var(--dark);
}
.btn--primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost-white {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.3);
}
.btn--ghost-white:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.6);
}

.btn--outline-dark {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--dark);
}
.btn--outline-dark:hover {
  background: var(--dark);
  color: var(--white);
}

.btn--campus {
  background: var(--orange);
  color: var(--white);
  border: 1px solid var(--orange);
  font-size: 12px;
  padding: 10px 18px;
}
.btn--campus:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  color: var(--white);
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header { margin-bottom: 80px; }
.section-header--center { text-align: center; }
.section-header--center .section-subtitle { margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--orange);
}
.section-label--light { color: rgba(255,255,255,.5); }
.section-label--light::before { background: rgba(255,255,255,.3); }

.section-title {
  font-size: clamp(36px, 5vw, 56px);
  color: var(--dark);
  line-height: 1.05;
  margin-bottom: 20px;
  max-width: 700px;
}
.section-title--white { color: var(--white); }
.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.8;
}
.section-subtitle--light { color: rgba(255,255,255,.5); }
.section-cta { text-align: center; margin-top: 64px; }

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 2px;
  padding: 8px 16px;
}
.badge--hero {
  background: rgba(247,147,30,.15);
  color: var(--orange);
  border: 1px solid rgba(247,147,30,.25);
  margin-bottom: 28px;
}
.badge--hero::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(1.5); }
}

.tech-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 2px;
  background: rgba(247,147,30,.1);
  color: var(--orange);
  font-family: 'Inter', sans-serif;
  letter-spacing: .05em;
  text-transform: uppercase;
  border: 1px solid rgba(247,147,30,.2);
}
.tech-badge--teal { background: rgba(0,180,160,.1); color: var(--teal); border-color: rgba(0,180,160,.2); }
.tech-badge--purple { background: rgba(139,92,246,.1); color: #A78BFA; border-color: rgba(139,92,246,.2); }

/* ============================================================
   HERO — Pantalla completa con foto de fondo
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  background: var(--dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: #111;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.5) 0%,
    rgba(0,0,0,.3) 50%,
    rgba(0,0,0,.7) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  padding: 120px 0 60px;
}
.hero__content {
  max-width: 800px;
}
.hero__h1 {
  font-size: clamp(44px, 6.5vw, 88px);
  color: var(--white);
  line-height: .98;
  margin-bottom: 28px;
  letter-spacing: -.04em;
}
.hero__h1 em {
  font-style: normal;
  color: var(--orange);
}
.hero__subtitle {
  font-size: 18px;
  color: rgba(255,255,255,.7);
  margin-bottom: 44px;
  max-width: 560px;
  line-height: 1.7;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* Stats bar en la parte inferior del hero */
.hero__stats-bar {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(12px);
}
.hero__stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  divide-x: 1px solid rgba(255,255,255,.08);
}
.hero__stat {
  padding: 28px 40px 28px 0;
  border-right: 1px solid rgba(255,255,255,.08);
}
.hero__stat:last-child { border-right: none; padding-right: 0; padding-left: 40px; }
.hero__stat:nth-child(2) { padding-left: 40px; }
.hero__stat strong {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -.03em;
}
.hero__stat span {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 90px;
  right: 48px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero__scroll-hint span {
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,.3), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--dark-2);
  border-bottom: 1px solid var(--border-dark);
  padding: 32px 0;
}
.trust-bar__inner {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-bar__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  white-space: nowrap;
  flex-shrink: 0;
}
.trust-bar__logos { display: flex; gap: 0; flex-wrap: wrap; align-items: center; flex: 1; }
.trust-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.25);
  padding: 8px 24px;
  border-right: 1px solid var(--border-dark);
  line-height: 1.3;
  text-align: center;
  transition: var(--transition);
}
.trust-logo:first-child { padding-left: 0; }
.trust-logo:last-child { border-right: none; }
.trust-logo:hover { color: var(--orange); }

/* ============================================================
   PROBLEMA — Fondo foto con overlay
   ============================================================ */
.problems {
  background:
    linear-gradient(rgba(245,242,237,.90), rgba(245,242,237,.90)),
    url('fotos/laptop-with-papers.jpg') center/cover no-repeat fixed;
}
.problems .section-title { color: var(--dark); }
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
}
.problem-card {
  background: var(--cream);
  padding: 48px 40px;
  transition: var(--transition);
}
.problem-card:hover { background: var(--white); }
.problem-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  margin-bottom: 28px;
}
.problem-card h3 {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.25;
}
.problem-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.75;
}
.problem-card__solution {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--dark);
  line-height: 1.6;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-weight: 600;
}
.problem-card__solution svg { color: var(--teal); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   SERVICIOS — Fondo oscuro con foto
   ============================================================ */
.services {
  background:
    linear-gradient(rgba(13,13,13,.88), rgba(13,13,13,.88)),
    url('fotos/sketches-laptop-working-edit-laptop-drawing.jpg') center/cover no-repeat fixed;
}
.services .section-title { color: var(--white); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 0;
}
.service-card {
  background: var(--dark-2);
  padding: 48px 36px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width .4s ease;
}
.service-card:hover { background: var(--dark-3); }
.service-card:hover::before { width: 100%; }

.service-card__number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 64px;
  font-weight: 800;
  color: rgba(255,255,255,.04);
  line-height: 1;
  margin-bottom: -20px;
  letter-spacing: -.04em;
}
.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  margin-bottom: 20px;
}
.service-card__tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.service-card__tag--featured { color: #A78BFA; }
.service-card__title {
  font-size: 22px;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.2;
}
.service-card__desc {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  line-height: 1.75;
  flex: 1;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
  transition: var(--transition);
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
}
.service-card__link svg { transition: transform .2s ease; }
.service-card__link:hover svg { transform: translateX(6px); }

/* ============================================================
   METHOD — Fondo foto con overlay claro
   ============================================================ */
.method {
  background:
    linear-gradient(rgba(245,242,237,.91), rgba(245,242,237,.91)),
    url('fotos/caucasian-woman-writing-project-plan-white-board.jpg') center/cover no-repeat fixed;
  position: relative;
}
.method .section-title { color: var(--dark); }
.method .section-subtitle { color: var(--text-muted); }
.method__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 80px;
  border: 1px solid var(--border-light);
  background: var(--border-light);
}
.method__step {
  padding: 48px 36px;
  background: var(--cream);
  transition: var(--transition);
  position: relative;
}
.method__step:hover { background: var(--white); }
.method__step-number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 80px;
  font-weight: 800;
  color: rgba(0,0,0,.05);
  line-height: 1;
  margin-bottom: -20px;
  letter-spacing: -.04em;
}
.method__step-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  margin-bottom: 20px;
}
.method__step-title {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 14px;
}
.method__step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}
.method__connector { display: none; }

/* ============================================================
   STATS — Fondo foto oscura
   ============================================================ */
.stats {
  background:
    linear-gradient(rgba(13,13,13,.82), rgba(13,13,13,.82)),
    url('fotos/closeup-eyeglasses-computer-laptop.jpg') center/cover no-repeat fixed;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.stat-card {
  text-align: center;
  padding: 64px 24px;
  background: var(--dark);
  transition: var(--transition);
}
.stat-card:hover { background: var(--dark-2); }
.stat-card__number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 12px;
  display: block;
  letter-spacing: -.04em;
}
.stat-card__label {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  line-height: 1.5;
}

/* ============================================================
   PORTFOLIO PREVIEW — Fondo crema
   ============================================================ */
.portfolio-preview {
  background: var(--cream-2);
}
.portfolio-preview .section-title { color: var(--dark); }
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
}
.portfolio-card {
  background: var(--cream-2);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.portfolio-card:hover { background: var(--white); }
.portfolio-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--dark-3);
}
.portfolio-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease, filter .4s ease;
  opacity: .8;
  filter: grayscale(100%);
}
.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.05);
  opacity: 1;
  filter: grayscale(0%);
}
.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,13,13,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  opacity: 0;
  transition: opacity .3s ease;
}
.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }
.portfolio-card__body { padding: 28px 32px; }
.portfolio-card__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.portfolio-card h3 {
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.3;
}
.portfolio-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}
.portfolio-card__link {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.portfolio-card__link:hover { color: var(--orange-dark); }

/* ============================================================
   HERO BG VIDEO
   ============================================================ */
.hero__bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
  z-index: 0;
  filter: grayscale(100%);
}

/* ============================================================
   PORTFOLIO E-LEARNING — grid 3 col
   ============================================================ */
.portfolio__grid--elearning {
  grid-template-columns: repeat(3, 1fr);
}

/* ============================================================
   PORTFOLIO WEB
   ============================================================ */
.portfolio-web {
  background: var(--dark);
}
.portfolio-web .section-title { color: var(--white); }
.portfolio-web .section-subtitle { color: rgba(255,255,255,.45); }
.portfolio-web .btn--outline-dark {
  color: var(--white);
  border-color: rgba(255,255,255,.25);
}
.portfolio-web .btn--outline-dark:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--dark);
}

.web-projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.web-project-card {
  display: block;
  background: var(--dark-2);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}
.web-project-card:hover { background: var(--dark-3); }
.web-project-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--dark-3);
}
.web-project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease, filter .4s ease;
  opacity: .7;
  filter: grayscale(100%);
}
.web-project-card:hover .web-project-card__image img {
  transform: scale(1.06);
  opacity: 1;
  filter: grayscale(0%);
}
.web-project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(247,147,30,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  opacity: 0;
  transition: opacity .3s ease;
}
.web-project-card:hover .web-project-card__overlay { opacity: 1; }
.web-project-card__body { padding: 20px 24px 24px; }
.web-project-card__cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--orange);
  display: block;
  margin-bottom: 6px;
}
.web-project-card h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 4px;
  line-height: 1.3;
}
.web-project-card p {
  font-size: 13px;
  color: rgba(255,255,255,.3);
  line-height: 1.4;
}

/* ============================================================
   FORMACIÓN EN IA
   ============================================================ */
.formacion-ia {
  background: var(--dark);
}
.formacion-ia .section-title { color: var(--white); }
.formacion-ia .section-subtitle { color: rgba(255,255,255,.45); }
.formacion-ia .section-label--light { color: var(--orange); }

.ia-certs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.ia-cert {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--dark-2);
  padding: 36px 32px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
}
.ia-cert::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width .4s ease;
}
.ia-cert:hover { background: var(--dark-3); }
.ia-cert:hover::before { width: 100%; }

.ia-cert--cv { background: #0A1628; }
.ia-cert--cv:hover { background: #0d1e38; }
.ia-cert--cv .ia-cert__badge { background: rgba(247,147,30,.15); color: var(--orange); border-color: rgba(247,147,30,.2); }
.ia-cert--cv .ia-cert__body h3 { color: var(--white); }
.ia-cert--cv::before { background: var(--orange); }

.ia-cert__badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border-dark);
  padding: 4px 12px;
  border-radius: 2px;
}
.ia-cert__body { flex: 1; }
.ia-cert__body h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.ia-cert__body p {
  font-size: 14px;
  color: rgba(255,255,255,.4);
  line-height: 1.7;
}
.ia-cert__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-dark);
}
.ia-cert__year {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,.2);
  letter-spacing: .08em;
}
.ia-cert__link {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .05em;
}

/* ============================================================
   TESTIMONIALS — Fondo foto oscura
   ============================================================ */
.testimonials {
  background:
    linear-gradient(rgba(13,13,13,.85), rgba(13,13,13,.85)),
    url('fotos/laptop-with-papers.jpg') center/cover no-repeat fixed;
}
.testimonials .section-title { color: var(--white); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.testimonial-card {
  background: var(--dark-2);
  padding: 48px 36px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover { background: var(--dark-3); }
.testimonial-card__quote {
  color: var(--orange);
  opacity: .25;
  margin-bottom: 20px;
}
.testimonial-card__text {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255,255,255,.65);
  font-style: italic;
  margin-bottom: 32px;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.testimonial-card__author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  filter: grayscale(30%);
}
.testimonial-card__author strong {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.testimonial-card__author span {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,.35);
  margin-top: 2px;
}
.testimonial-card__stars {
  display: flex;
  gap: 4px;
  color: var(--orange);
}

/* ============================================================
   FAQ — Fondo crema
   ============================================================ */
.faq { background: var(--cream); }
.faq .section-title { color: var(--dark); }
.faq__grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.faq__item { border-bottom: 1px solid var(--border-light); }
.faq__item:first-child { border-top: 1px solid var(--border-light); }
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color .2s ease;
}
.faq__question:hover { color: var(--orange); }
.faq__question[aria-expanded="true"] { color: var(--orange); }
.faq__chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform .3s ease;
}
.faq__question[aria-expanded="true"] .faq__chevron {
  transform: rotate(180deg);
  color: var(--orange);
}
.faq__answer { display: none; padding: 0 0 24px; }
.faq__answer.open { display: block; }
.faq__answer p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============================================================
   CTA FINAL — Fondo foto oscura
   ============================================================ */
.cta-final {
  background:
    linear-gradient(rgba(13,13,13,.88), rgba(13,13,13,.88)),
    url('fotos/communication-support-call-center-customer-service-help-desk-voip-headset-telephone-keyboard.jpg') center/cover no-repeat fixed;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247,147,30,.06) 0%, transparent 60%);
}
.cta-final .container { position: relative; z-index: 1; }
.cta-final__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
  align-items: start;
}
.cta-final__text h2 {
  font-size: clamp(32px, 4vw, 52px);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.05;
}
.cta-final__text p {
  font-size: 17px;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  margin-bottom: 32px;
}
.cta-final__guarantees {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-final__guarantees span {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.45);
}
.cta-final__guarantees svg { color: var(--teal); flex-shrink: 0; }

/* Contact Form */
.contact-form {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-dark);
  padding: 48px 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-group:last-of-type { margin-bottom: 24px; }
.form-group label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border-dark);
  padding: 13px 16px;
  font-size: 14px;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  resize: none;
  border-radius: 0;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.2); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  background: rgba(255,255,255,.07);
  box-shadow: 0 0 0 3px rgba(247, 147, 30, 0.2);
}
.form-group select option { background: var(--dark); color: var(--white); }
.form-privacy {
  font-size: 12px;
  color: rgba(255,255,255,.25);
  text-align: center;
  margin-top: 14px;
}
.form-privacy a { color: rgba(255,255,255,.4); text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #080808; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-top: 80px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border-dark);
}
.footer__col--brand p {
  font-size: 14px;
  color: rgba(255,255,255,.35);
  line-height: 1.75;
  margin-top: 20px;
  margin-bottom: 28px;
  max-width: 280px;
}
.footer__social { display: flex; gap: 12px; }
.footer__social-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.4);
  transition: var(--transition);
}
.footer__social-link:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.footer__col h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  margin-bottom: 24px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  transition: var(--transition);
}
.footer__col ul li a:hover { color: var(--white); }
.footer__contact { display: flex; flex-direction: column; gap: 14px; }
.footer__contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,.45);
}
.footer__contact li svg { color: var(--orange); flex-shrink: 0; }
.footer__contact li a { color: rgba(255,255,255,.45); transition: var(--transition); }
.footer__contact li a:hover { color: var(--white); }
.footer__campus-btn { margin-top: 24px; }

.footer__bottom {
  padding: 24px 0;
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__bottom p { font-size: 12px; color: rgba(255,255,255,.5); }
.footer__legal { display: flex; gap: 28px; }
.footer__legal a {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  transition: var(--transition);
}
.footer__legal a:hover { color: rgba(255,255,255,.85); }

/* Sin logo en footer__col--brand: eliminamos el margin-top que estaba pensado para la imagen */
.footer__col--brand p { margin-top: 0; }

/* ============================================================
   WHATSAPP FAB
   ============================================================ */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transition: transform .2s ease, box-shadow .2s ease;
}
.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0,0,0,.35);
}

/* ============================================================
   BANNER DE COOKIES
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #111;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 32px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
.cookie-banner.hidden { display: none; }
.cookie-banner a { color: var(--orange); text-decoration: underline; }
.cookie-banner__btn {
  flex-shrink: 0;
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  transition: opacity .2s;
}
.cookie-banner__btn:hover { opacity: .85; }
@media (max-width: 600px) {
  .cookie-banner { flex-direction: column; align-items: flex-start; padding: 16px 20px; }
  .whatsapp-fab { bottom: 16px; right: 16px; }
}

/* ============================================================
   FORM SUCCESS STATE
   ============================================================ */
.form-success { display: none; text-align: center; padding: 48px 24px; color: var(--white); }
.form-success.show { display: block; }
.form-success svg { color: var(--teal); margin: 0 auto 16px; }
.form-success h3 { font-size: 22px; color: var(--white); margin-bottom: 8px; }
.form-success p { color: rgba(255,255,255,.5); }

/* ============================================================
   MOBILE NAV
   ============================================================ */
.navbar__nav.mobile-open {
  display: flex !important;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 90vw);
  background: var(--dark);
  border-left: 1px solid var(--border-dark);
  flex-direction: column;
  padding: 80px 24px 24px;
  z-index: 999;
  overflow-y: auto;
}
.navbar__nav.mobile-open .navbar__list {
  flex-direction: column;
  gap: 0;
  align-items: stretch;
}
.navbar__nav.mobile-open .navbar__link {
  color: rgba(255,255,255,.7) !important;
  padding: 16px 4px;
  font-size: 15px;
  border-bottom: 1px solid var(--border-dark);
  border-radius: 0;
}
.navbar__nav.mobile-open .navbar__link:hover { color: var(--white) !important; }
.navbar__nav.mobile-open .navbar__dropdown {
  position: static;
  opacity: 1;
  pointer-events: auto;
  transform: none;
  box-shadow: none;
  border: none;
  padding: 4px 0 4px 16px;
  background: transparent;
}
.navbar__nav.mobile-open .navbar__dropdown li a {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  padding: 10px 4px;
}
.navbar__nav.mobile-open .navbar__item--dropdown:hover .navbar__dropdown { opacity: 1; }
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 998;
}
.mobile-overlay.active { display: block; }

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding: 0 28px; }
  .navbar__inner { padding: 0 28px; }
  .section-pad { padding: 80px 0; }

  .navbar__nav { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__inner { padding: 140px 0 48px; }
  .hero__stats-inner { grid-template-columns: repeat(3, 1fr); }

  .problems__grid,
  .services__grid,
  .portfolio__grid--elearning,
  .web-projects__grid,
  .ia-certs__grid { grid-template-columns: 1fr 1fr; }
  .method__steps { grid-template-columns: 1fr 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .cta-final__inner { grid-template-columns: 1fr; gap: 56px; }
  .footer__bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
  .hero__scroll-hint { display: none; }
}

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }

  .problems__grid,
  .services__grid,
  .portfolio__grid,
  .portfolio__grid--elearning,
  .web-projects__grid,
  .ia-certs__grid,
  .testimonials__grid { grid-template-columns: 1fr; }

  .hero__h1 { font-size: 40px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { justify-content: center; text-align: center; }
  .hero__stats-inner { grid-template-columns: 1fr; }
  .hero__stat { border-right: none; border-bottom: 1px solid var(--border-dark); padding: 24px 0; }
  .hero__stat:last-child { border-bottom: none; }
  .hero__stat:nth-child(2) { padding-left: 0; }

  .form-row { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; }
  .trust-bar__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .trust-bar__logos { flex-direction: row; flex-wrap: wrap; }
  .trust-logo { border-right: none; border-bottom: 1px solid var(--border-dark); }
  .method__steps { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .navbar__inner { padding: 0 20px; }
  .hero__stats-inner { padding: 0 20px; }
  .hero { padding: 0; }
  .stat-card { padding: 40px 16px; }
  .hero__stat strong { font-size: 28px; }
}

/* hero photo below text */
.hero__photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 480px;
  overflow: hidden;
  flex-shrink: 0;
}
.hero__photo img,
.hero__photo video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  display: block;
}

/* ============================================================
   PHOTO BREAK — imagen editorial tras el hero
   ============================================================ */
.photo-break {
  width: 100%;
  height: 70vh;
  min-height: 400px;
  max-height: 700px;
  overflow: hidden;
  display: block;
}
.photo-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(100%);
  display: block;
}

/* ============================================================
   ABOUT SPLIT — Foto editorial mitad/mitad
   ============================================================ */
.about-split {
  background: var(--cream);
  padding: 0;
  overflow: hidden;
}
.about-split__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 640px;
}
.about-split__image {
  position: relative;
  overflow: hidden;
}
.about-split__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(100%);
  transition: filter .6s ease;
}
.about-split:hover .about-split__image img { filter: grayscale(20%); }
.about-split__content {
  padding: 100px 80px;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}
.about-split__content .section-label {
  color: var(--orange);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.about-split__content h2 {
  font-size: clamp(26px, 2.6vw, 42px);
  color: var(--dark);
  line-height: 1.1;
  margin-bottom: 24px;
}
.about-split__content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-split__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 36px;
}
.about-split__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.about-split__list svg { color: var(--orange); flex-shrink: 0; }
.about-split__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn--ghost-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 2px solid rgba(0,0,0,.2);
  border-radius: var(--radius-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dark);
  background: transparent;
  transition: var(--transition);
}
.btn--ghost-dark:hover {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}

/* Avatar iniciales para testimonios */
.avatar-initials {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
  letter-spacing: .05em;
}

@media (max-width: 1024px) {
  .about-split__inner { grid-template-columns: 1fr; }
  .about-split__image { height: 400px; position: relative; }
  .about-split__image img { position: absolute; }
  .about-split__content { padding: 64px 40px; }
}
@media (max-width: 768px) {
  .about-split__content { padding: 48px 24px; }
  .about-split__ctas { flex-direction: column; }
}

/* ============================================================
   REDUCED MOTION — Accesibilidad WCAG 2.3.3
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}