/* ═══════════════════════════════════════════
   Óptica Italiana — Estrategia Digital
   Variables & Base Styles
   ═══════════════════════════════════════════ */

:root {
  --oi-azul-primario: #003595;
  --oi-azul-secundario: #0B3B8C;
  --oi-azul-acento: #0170B9;
  --oi-rojo: #D11C24;
  --oi-blanco: #FFFFFF;
  --oi-gris-claro: #F5F5F5;
  --oi-gris-texto: #333333;
  --oi-gris-suave: #666666;

  --radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: 0.25s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Heebo', sans-serif;
  font-weight: 400;
  color: var(--oi-gris-texto);
  background: var(--oi-blanco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

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

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

/* ═══════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════ */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children animation */
.fade-in-stagger > .fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in-stagger > .fade-in:nth-child(2) { transition-delay: 80ms; }
.fade-in-stagger > .fade-in:nth-child(3) { transition-delay: 160ms; }
.fade-in-stagger > .fade-in:nth-child(4) { transition-delay: 240ms; }
.fade-in-stagger > .fade-in:nth-child(5) { transition-delay: 320ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ═══════════════════════════════════════════
   Focus states (keyboard nav)
   ═══════════════════════════════════════════ */

:focus-visible {
  outline: 2px solid var(--oi-azul-acento);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════════
   Navbar
   ═══════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--oi-blanco);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logos {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar__logo {
  cursor: pointer;
  display: flex;
  align-items: center;
}

.navbar__logo img {
  height: 32px;
  width: auto;
}

.navbar__divider {
  width: 1px;
  height: 28px;
  background: rgba(0, 53, 149, 0.2);
}

.navbar__condorco-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: opacity var(--transition);
}

.navbar__condorco-logo:hover {
  opacity: 0.7;
}

.logo-condorco {
  height: 24px;
  width: auto;
}

.navbar__links {
  display: flex;
  gap: 4px;
  list-style: none;
}

.navbar__links a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--oi-gris-suave);
  padding: 8px 16px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.02em;
  cursor: pointer;
}

.navbar__links a:hover {
  color: var(--oi-azul-primario);
  background: rgba(0, 53, 149, 0.06);
}

.navbar__links a.active {
  color: var(--oi-azul-primario);
  background: rgba(0, 53, 149, 0.1);
}

.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--oi-azul-primario);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */

.hero {
  background: linear-gradient(135deg, var(--oi-azul-primario) 0%, var(--oi-azul-secundario) 100%);
  color: var(--oi-blanco);
  padding: 160px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 65%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(1, 112, 185, 0.15) 0%, transparent 65%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__overline {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 16px;
}

.hero__title {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subtitle {
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
  font-size: 1.2rem;
  opacity: 0.75;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 20px 32px;
  min-width: 160px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background var(--transition);
}

.hero__stat:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero__stat-value {
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  display: block;
}

.hero__stat-label {
  font-family: 'Roboto', sans-serif;
  font-size: 0.82rem;
  opacity: 0.6;
  display: block;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════
   Sections
   ═══════════════════════════════════════════ */

section {
  padding: 88px 0;
}

section:nth-child(even):not(.hero) {
  background: var(--oi-gris-claro);
}

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

.section-header__overline {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--oi-azul-acento);
  margin-bottom: 8px;
}

.section-header h2 {
  font-size: 2rem;
  color: var(--oi-azul-primario);
  margin-bottom: 16px;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--oi-azul-primario), var(--oi-azul-acento));
  border-radius: 2px;
  margin: 16px auto 0;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--oi-gris-suave);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   Diagnostico
   ═══════════════════════════════════════════ */

.diagnostico-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.diagnostico-card {
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 24px 24px 24px 28px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
  border-left: 4px solid transparent;
  cursor: default;
}

.diagnostico-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.diagnostico-card[data-priority="alta"] {
  border-left-color: var(--oi-rojo);
}

.diagnostico-card[data-priority="media"] {
  border-left-color: var(--oi-azul-acento);
}

.diagnostico-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--oi-gris-claro);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagnostico-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--oi-azul-primario);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.diagnostico-card__content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--oi-gris-texto);
}

.diagnostico-card__content p {
  font-size: 0.88rem;
  color: var(--oi-gris-suave);
  line-height: 1.55;
}

.diagnostico-card__badge {
  display: inline-block;
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 10px;
}

.badge--alta {
  background: rgba(209, 28, 36, 0.08);
  color: var(--oi-rojo);
}

.badge--media {
  background: rgba(1, 112, 185, 0.08);
  color: var(--oi-azul-acento);
}

/* ═══════════════════════════════════════════
   Metodologia C.R.E.C.E.
   ═══════════════════════════════════════════ */

.crece-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.crece-card {
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 32px 20px 28px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.crece-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.crece-card__letter {
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--oi-azul-primario), var(--oi-azul-acento));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.crece-card__name {
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--oi-gris-texto);
  margin-bottom: 2px;
}

.crece-card__tagline {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--oi-azul-acento);
  margin-bottom: 14px;
}

.crece-card__desc {
  font-size: 0.84rem;
  color: var(--oi-gris-suave);
  line-height: 1.55;
}

.crece-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--oi-azul-primario), var(--oi-azul-acento));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.crece-card:hover::after {
  transform: scaleX(1);
}

/* ═══════════════════════════════════════════
   Roadmap / Plan por Mes
   ═══════════════════════════════════════════ */

.roadmap {
  position: relative;
}

.roadmap__timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

.roadmap__timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 3px;
  background: linear-gradient(90deg, var(--oi-azul-primario), var(--oi-azul-acento), var(--oi-azul-primario));
  border-radius: 2px;
  opacity: 0.3;
}

.roadmap__month {
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  position: relative;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: default;
}

.roadmap__month:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.roadmap__number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--oi-azul-primario), var(--oi-azul-acento));
  color: var(--oi-blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(0, 53, 149, 0.25);
}

.roadmap__title {
  font-size: 1.05rem;
  color: var(--oi-azul-primario);
  margin-bottom: 6px;
}

.roadmap__subtitle {
  font-family: 'Roboto', sans-serif;
  font-size: 0.82rem;
  color: var(--oi-gris-suave);
  margin-bottom: 20px;
}

.roadmap__items {
  list-style: none;
  text-align: left;
}

.roadmap__items li {
  font-size: 0.86rem;
  color: var(--oi-gris-texto);
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.roadmap__items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--oi-azul-acento);
  border-radius: 50%;
}

.roadmap__products {
  margin-top: 40px;
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 24px 32px;
  box-shadow: var(--shadow);
}

.roadmap__products h3 {
  font-size: 1rem;
  color: var(--oi-azul-primario);
  margin-bottom: 16px;
  text-align: center;
}

.product-priority {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.product-tag {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 20px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--transition);
}

.product-tag:hover {
  transform: translateY(-1px);
}

.product-tag--primary {
  background: var(--oi-azul-primario);
  color: var(--oi-blanco);
}

.product-tag--secondary {
  background: rgba(1, 112, 185, 0.1);
  color: var(--oi-azul-acento);
}

.product-tag--tertiary {
  background: var(--oi-gris-claro);
  color: var(--oi-gris-suave);
}

.product-tag__number {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.product-tag--primary .product-tag__number {
  background: rgba(255, 255, 255, 0.2);
}

.product-tag--secondary .product-tag__number {
  background: rgba(1, 112, 185, 0.15);
}

.product-tag--tertiary .product-tag__number {
  background: rgba(0, 0, 0, 0.08);
}

/* ═══════════════════════════════════════════
   KPIs
   ═══════════════════════════════════════════ */

.kpis-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.kpi-card {
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: default;
}

.kpi-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.kpi-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--oi-azul-primario), var(--oi-azul-acento));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.kpi-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--oi-blanco);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpi-card h3 {
  font-size: 0.95rem;
  color: var(--oi-gris-texto);
  margin-bottom: 6px;
}

.kpi-card p {
  font-size: 0.84rem;
  color: var(--oi-gris-suave);
  line-height: 1.55;
}

.experiment-framework {
  background: var(--oi-blanco);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.experiment-framework h3 {
  font-size: 1.1rem;
  color: var(--oi-azul-primario);
  margin-bottom: 8px;
  text-align: center;
}

.experiment-framework > p {
  text-align: center;
  font-size: 0.9rem;
  color: var(--oi-gris-suave);
  margin-bottom: 28px;
}

.experiment-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.experiment-step {
  display: flex;
  align-items: center;
  gap: 8px;
}

.experiment-step__box {
  background: var(--oi-gris-claro);
  border-radius: 10px;
  padding: 12px 18px;
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--oi-azul-primario);
  text-align: center;
  transition: background var(--transition), color var(--transition);
}

.experiment-step__box:hover {
  background: var(--oi-azul-primario);
  color: var(--oi-blanco);
}

.experiment-step__arrow {
  color: rgba(0, 53, 149, 0.3);
  font-size: 1rem;
}

.experiment-channel {
  margin-top: 24px;
  text-align: center;
  padding: 14px;
  background: linear-gradient(135deg, rgba(0, 53, 149, 0.04), rgba(1, 112, 185, 0.04));
  border: 1px solid rgba(0, 53, 149, 0.08);
  border-radius: var(--radius);
}

.experiment-channel span {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  color: var(--oi-azul-primario);
  font-size: 0.85rem;
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */

.footer {
  background: var(--oi-azul-primario);
  color: var(--oi-blanco);
  padding: 48px 0 28px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 28px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer__logo-oi {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__brand-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
}

.footer__condorco-link {
  display: flex;
  align-items: center;
  transition: opacity var(--transition);
}

.footer__condorco-link:hover {
  opacity: 0.8;
}

.footer__logo-condorco {
  height: 22px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__info h4 {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.45;
  margin-bottom: 8px;
}

.footer__info p {
  font-size: 0.88rem;
  opacity: 0.75;
  line-height: 1.6;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.78rem;
  opacity: 0.4;
}

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */

@media (max-width: 1024px) {
  .crece-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 768px) {
  .navbar__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--oi-blanco);
    flex-direction: column;
    padding: 16px 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(0, 53, 149, 0.08);
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__toggle {
    display: block;
  }

  .hero {
    padding: 120px 24px 64px;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__stats {
    gap: 12px;
  }

  .hero__stat {
    padding: 14px 20px;
    min-width: 140px;
  }

  section {
    padding: 64px 0;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

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

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

  .roadmap__timeline {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .roadmap__timeline::before {
    display: none;
  }

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

  .experiment-steps {
    flex-direction: column;
  }

  .experiment-step__arrow {
    transform: rotate(90deg);
  }

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

  .footer__brand {
    justify-content: center;
  }

  .product-priority {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .crece-grid {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .hero__stats {
    flex-direction: column;
    align-items: center;
  }

  .hero__stat {
    width: 100%;
    max-width: 260px;
  }

  .crece-card__letter {
    font-size: 2.5rem;
  }
}

@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}