/* ==========================================================
   GesPro Lab — Landing Page Styles
   Arquitectura: Mobile-first | CSS Variables | Tema claro/oscuro
   Fuentes: Playfair Display (headings) + Manrope (body)
   ========================================================== */


/* ----------------------------------------------------------
   1. CUSTOM PROPERTIES — DESIGN TOKENS
   ---------------------------------------------------------- */
:root {
  /* --- Paleta de marca --- */
  --color-green:       #16A34A;
  --color-green-light: #22C55E;
  --color-green-dark:  #15803D;
  --color-green-muted: rgba(22, 163, 74, 0.12);

  --color-navy:        #0D1F3C;
  --color-navy-mid:    #1E3A5F;
  --color-navy-light:  #2D527A;

  /* --- Tema CLARO (por defecto) --- */
  --bg-base:      #F5F4F0;
  --bg-surface:   #FFFFFF;
  --bg-elevated:  #ECEAE4;
  --bg-inverse:   #0D1F3C;

  --text-primary:   #0D1F3C;
  --text-secondary: #3D4F68;
  --text-muted:     #6B7A90;
  --text-inverse:   #F5F4F0;

  --border-color:   #DDD9D0;
  --border-light:   #F0EDE6;

  --shadow-sm:  0 1px 3px rgba(13, 31, 60, 0.06), 0 1px 2px rgba(13, 31, 60, 0.04);
  --shadow-md:  0 4px 12px rgba(13, 31, 60, 0.08), 0 2px 6px rgba(13, 31, 60, 0.05);
  --shadow-lg:  0 10px 30px rgba(13, 31, 60, 0.10), 0 4px 12px rgba(13, 31, 60, 0.06);
  --shadow-xl:  0 20px 50px rgba(13, 31, 60, 0.12);

  /* --- Tipografía --- */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Manrope', system-ui, sans-serif;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md:   1.125rem;   /* 18px */
  --text-lg:   1.25rem;    /* 20px */
  --text-xl:   1.5rem;     /* 24px */
  --text-2xl:  2rem;       /* 32px */
  --text-3xl:  2.5rem;     /* 40px */
  --text-4xl:  3.25rem;    /* 52px */
  --text-5xl:  4.5rem;     /* 72px */

  /* --- Espaciado --- */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --container-pad: var(--space-6);

  /* --- UI --- */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  /* --- Transiciones --- */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-theme: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Navbar --- */
  --navbar-h: 72px;
}

/* --- Tema OSCURO --- */
[data-theme="dark"] {
  --bg-base:      #080D18;
  --bg-surface:   #0E1624;
  --bg-elevated:  #141E2C;
  --bg-inverse:   #F5F4F0;

  --text-primary:   #EDF0F5;
  --text-secondary: #9BAABB;
  --text-muted:     #5D6C80;
  --text-inverse:   #0D1F3C;

  --border-color:   #1B2537;
  --border-light:   #141E2C;

  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg:  0 10px 30px rgba(0, 0, 0, 0.40);
  --shadow-xl:  0 20px 50px rgba(0, 0, 0, 0.50);
}


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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  /* Reservar espacio para scrollbar — evita CLS */
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-base);
  transition:
    background-color var(--transition-theme),
    color var(--transition-theme);
  overflow-x: hidden;
}

/* Accesibilidad: focus visible */
:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

img, video {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

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

/* Reducir movimiento para usuarios con preferencia */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}


/* ----------------------------------------------------------
   3. TIPOGRAFÍA BASE
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, var(--text-5xl)); }
h2 { font-size: clamp(1.8rem, 3.5vw, var(--text-4xl)); }
h3 { font-size: clamp(1.1rem, 2vw, var(--text-xl)); }

p {
  color: var(--text-secondary);
  max-width: 68ch;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

em {
  font-style: italic;
  color: var(--color-green);
}


/* ----------------------------------------------------------
   4. LAYOUT UTILITARIOS
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-20);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
  position: relative;
}

.section__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--border-color);
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
  user-select: none;
  pointer-events: none;
  transition: color var(--transition-theme);
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.section__tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-green);
  border-radius: var(--radius-full);
}

.section__title {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-5);
}

.section__subtitle {
  position: relative;
  z-index: 1;
  font-size: var(--text-md);
  color: var(--text-muted);
  max-width: 58ch;
  margin-inline: auto;
  line-height: 1.75;
}


/* ----------------------------------------------------------
   5. BOTONES
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* Micro-interacción ripple */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after { opacity: 1; }

.btn:active {
  transform: scale(0.97);
}

/* Primary */
.btn--primary {
  background: var(--color-green);
  color: #FFFFFF;
  border-color: var(--color-green);
}

.btn--primary:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
  transform: translateY(-2px);
}

/* Ghost (for hero on dark) */
.btn--ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.60);
  transform: translateY(-2px);
}

/* Outline (for CTA section on dark bg) */
.btn--outline {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.50);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* Large */
.btn--lg {
  font-size: var(--text-base);
  padding: 0.9rem 2.2rem;
}


/* ----------------------------------------------------------
   6. NAVBAR
   ---------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-h);
  z-index: 100;
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-theme);
  /* Inicialmente transparente sobre el hero */
  background: transparent;
}

/* Estado scrolled — fondo sólido */
.navbar.is-scrolled {
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-color);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Brand */
.navbar__brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
  text-decoration: none;
}

.navbar__brand:hover { opacity: 0.85; }

/* El color del brand cambia según si está sobre hero o scrolled */
.navbar .brand-ges {
  color: #FFFFFF;
  transition: color var(--transition-base);
}

.navbar .brand-lab {
  color: var(--color-green-light);
  transition: color var(--transition-base);
}

.navbar.is-scrolled .brand-ges {
  color: var(--color-navy);
}

[data-theme="dark"] .navbar.is-scrolled .brand-ges {
  color: var(--text-primary);
}

/* Nav list */
.nav__list {
  display: none; /* mobile: oculto, se muestra en desktop */
  gap: var(--space-1);
}

.nav__link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.nav__link.is-active {
  color: var(--color-green-light);
}

/* Cuando el navbar tiene fondo */
.navbar.is-scrolled .nav__link {
  color: var(--text-secondary);
}

.navbar.is-scrolled .nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.navbar.is-scrolled .nav__link.is-active {
  color: var(--color-green);
}

/* CTA en navbar */
.nav__link--cta {
  background: var(--color-green);
  color: #FFFFFF !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav__link--cta:hover {
  background: var(--color-green-dark) !important;
  color: #FFFFFF !important;
}

/* Controls */
.navbar__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.85);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.navbar.is-scrolled .theme-toggle {
  color: var(--text-secondary);
}

.navbar.is-scrolled .theme-toggle:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Iconos sol/luna según tema */
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }
[data-theme="dark"]  .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: block; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover { background: rgba(255, 255, 255, 0.12); }
.navbar.is-scrolled .hamburger:hover { background: var(--bg-elevated); }

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-theme);
  transform-origin: center;
}

.navbar.is-scrolled .hamburger span {
  background: var(--text-primary);
}

/* Estado abierto */
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú móvil abierto */
.navbar__nav.is-open {
  display: flex !important;
  position: fixed;
  inset: var(--navbar-h) 0 0 0;
  background: var(--bg-surface);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  z-index: 99;
  animation: menuSlideIn 250ms ease forwards;
  border-top: 1px solid var(--border-color);
}

@keyframes menuSlideIn {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.navbar__nav.is-open .nav__link {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-4) var(--space-8);
  width: 100%;
  text-align: center;
  border-radius: 0;
}

.navbar__nav.is-open .nav__link:hover {
  background: var(--bg-elevated);
  color: var(--color-green);
}

.navbar__nav.is-open .nav__link.is-active {
  color: var(--color-green);
}

.navbar__nav.is-open .nav__link--cta {
  margin-top: var(--space-4);
  border-radius: var(--radius-full) !important;
  width: auto;
  padding: var(--space-3) var(--space-10) !important;
}


/* ----------------------------------------------------------
   7. HERO
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--navbar-h);
}

/* Parallax bg layer */
.hero__bg {
  position: absolute;
  inset: -20%;
  background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&q=80&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  will-change: transform;
  z-index: 0;
}

/* Overlay: gradiente oscuro para legibilidad */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8, 13, 24, 0.88) 0%,
    rgba(13, 31, 60, 0.82) 50%,
    rgba(14, 50, 60, 0.70) 100%
  );
  z-index: 1;
}

/* Grain texture overlay */
.hero__overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.3;
  pointer-events: none;
}

/* Content */
.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-24);
  max-width: 780px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-green-light);
  margin-bottom: var(--space-6);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-green-light);
  border-radius: var(--radius-full);
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: italic;
  color: var(--color-green-light);
  font-weight: 400;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.8vw, var(--text-md));
  color: rgba(255, 255, 255, 0.75);
  max-width: 56ch;
  margin-bottom: var(--space-10);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

/* Métricas inline */
.hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-10);
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__metric-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
}

.hero__metric { text-align: left; }

.metric__value {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.metric__number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: #FFFFFF;
}

.metric__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 600;
  color: var(--color-green-light);
}

.metric__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  max-width: none;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0.5;
  animation: fadeScrollIn 1s ease 2s both;
}

@keyframes fadeScrollIn {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 0.5; transform: translateX(-50%) translateY(0); }
}

.hero__scroll-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50%       { transform: scaleY(0.7); opacity: 0.3; }
}


/* ----------------------------------------------------------
   8. PROBLEMAS
   ---------------------------------------------------------- */
.problems {
  background: var(--bg-surface);
}

.problems__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.problem-card {
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--color-green);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-7);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-theme);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--color-green-dark);
}

.problem-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green-muted);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  color: var(--color-green);
  transition: background var(--transition-fast), transform var(--transition-base);
}

.problem-card:hover .problem-card__icon {
  transform: scale(1.08);
  background: rgba(22, 163, 74, 0.18);
}

.problem-card__icon svg {
  width: 22px;
  height: 22px;
}

.problem-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.problem-card p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: none;
}


/* ----------------------------------------------------------
   9. ECOSISTEMA / TIMELINE
   ---------------------------------------------------------- */
.ecosystem {
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

/* Fondo con forma geométrica sutil */
.ecosystem::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* Timeline: vertical en mobile, horizontal en desktop */
.ecosystem__timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: relative;
}

/* Línea vertical conectora */
.ecosystem__timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-green) 15%, var(--color-green) 85%, transparent);
  z-index: 0;
}

.timeline-step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.timeline-step__marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 2px solid var(--color-green);
  border-radius: 50%;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.timeline-step:hover .timeline-step__marker {
  background: var(--color-green);
  box-shadow: 0 0 0 6px var(--color-green-muted);
  transform: scale(1.05);
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-green);
  transition: color var(--transition-base);
}

.timeline-step:hover .step-number { color: #FFFFFF; }

.timeline-step__content {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-theme);
}

.timeline-step:hover .timeline-step__content {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.timeline-step__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green-muted);
  border-radius: var(--radius-sm);
  color: var(--color-green);
  margin-bottom: var(--space-3);
}

.timeline-step__icon svg { width: 20px; height: 20px; }

.timeline-step__content h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.timeline-step__content p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: none;
  line-height: 1.7;
}


/* ----------------------------------------------------------
   10. SERVICIOS
   ---------------------------------------------------------- */
.services {
  background: var(--bg-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.service-card {
  position: relative;
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-7);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-theme);
  cursor: default;
}

/* Hover state: línea verde en la parte superior */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

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

.service-card__number {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--border-color);
  line-height: 1;
  transition: color var(--transition-base), transform var(--transition-base);
  user-select: none;
}

.service-card:hover .service-card__number {
  color: var(--color-green-muted);
  transform: scale(1.05);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green-muted);
  border-radius: var(--radius-md);
  color: var(--color-green);
  margin-bottom: var(--space-5);
  transition: background var(--transition-base), transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: var(--color-green);
  color: #FFFFFF;
  transform: rotate(-5deg) scale(1.1);
}

.service-card__icon svg { width: 24px; height: 24px; }

.service-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.75;
  max-width: none;
  margin-bottom: var(--space-5);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-green);
  text-decoration: none;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.service-card__link:hover {
  color: var(--color-green-dark);
  gap: var(--space-3);
}


/* ----------------------------------------------------------
   11. PROPUESTA DE VALOR
   ---------------------------------------------------------- */
.value-prop {
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

/* Fondo decorativo */
.value-prop::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.value-prop__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

.value-prop__left {
  position: relative;
}

.value-prop__left .section__number {
  position: static;
  display: block;
  transform: none;
  text-align: left;
  margin-bottom: calc(-1 * var(--space-8));
}

.value-prop__left .section__tag {
  margin-bottom: var(--space-3);
}

.value-prop__left .section__title {
  font-size: clamp(1.8rem, 3.5vw, var(--text-4xl));
  margin-bottom: var(--space-5);
}

.value-prop__description {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-8);
  max-width: 50ch;
}

/* Differentiators */
.value-prop__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.differentiator {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-5) var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-theme);
}

.differentiator:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.differentiator__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green-muted);
  border-radius: var(--radius-md);
  color: var(--color-green);
  transition: background var(--transition-base), transform var(--transition-base);
}

.differentiator:hover .differentiator__icon {
  background: var(--color-green);
  color: #FFFFFF;
  transform: scale(1.1);
}

.differentiator__icon svg { width: 20px; height: 20px; }

.differentiator__text h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.differentiator__text p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: none;
  line-height: 1.7;
}


/* ----------------------------------------------------------
   12. EXPERIENCIA
   ---------------------------------------------------------- */
.experience {
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

/* Decoración geométrica fondo */
.experience::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.experience .section__header { color: #FFFFFF; }
.experience .section__number { color: rgba(255,255,255,0.07); }
.experience .section__tag  { color: var(--color-green-light); }
.experience .section__title  { color: #FFFFFF; }

/* Métricas */
.experience__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.exp-metric {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), transform var(--transition-base);
}

.exp-metric:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-3px);
}

.exp-metric__display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--space-3);
}

.exp-metric__number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1;
}

.exp-metric__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-green-light);
  line-height: 1;
}

.exp-metric p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.5;
  max-width: 20ch;
  margin-inline: auto;
}

/* Highlights */
.experience__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-10);
}

.highlight {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.highlight:hover { background: rgba(255,255,255,0.04); }

.highlight__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--color-green-light);
}

.highlight p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  max-width: none;
  line-height: 1.75;
}

.highlight p strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}


/* ----------------------------------------------------------
   13. SOBRE NOSOTROS
   ---------------------------------------------------------- */
.about {
  background: var(--bg-surface);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about__content .section__number {
  position: static;
  display: block;
  transform: none;
  text-align: left;
  margin-bottom: calc(-1 * var(--space-8));
  font-size: clamp(4rem, 10vw, 7rem);
}

.about__text {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-5);
  max-width: 60ch;
}

.about__values {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.about__value {
  padding: var(--space-2) var(--space-5);
  border: 1.5px solid var(--color-green);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 0.04em;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.about__value:hover {
  background: var(--color-green);
  color: #FFFFFF;
  transform: scale(1.04);
}

/* Image container */
.about__img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about__img-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.about__img-wrap:hover img { transform: scale(1.03); }

/* Badge sobre la imagen */
.about__img-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--color-navy);
  color: #FFFFFF;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg);
}

.badge__number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-green-light);
  line-height: 1;
}

.badge__text {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
}


/* ----------------------------------------------------------
   14. CTA FINAL
   ---------------------------------------------------------- */
.cta-final {
  position: relative;
  background: var(--color-navy);
  overflow: hidden;
  padding-block: var(--space-32);
}

/* Fondo decorativo radial */
.cta-final__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(22, 163, 74, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(22, 163, 74, 0.08) 0%, transparent 55%);
}

.cta-final__content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-final .section__tag { color: var(--color-green-light); }

.cta-final__title {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  color: #FFFFFF;
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
  line-height: 1.15;
}

.cta-final__text {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.65);
  max-width: 52ch;
  margin-bottom: var(--space-10);
  line-height: 1.8;
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-12);
}

.cta-final__info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-8);
  justify-content: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  width: 100%;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}

.contact-item:hover { color: rgba(255,255,255,0.85); }

.contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-green-light);
}

.contact-item a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-item a:hover { color: var(--color-green-light); }


/* ----------------------------------------------------------
   15. FOOTER
   ---------------------------------------------------------- */
.footer {
  background: #050B15;
  color: rgba(255,255,255,0.6);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-top: var(--space-16);
  padding-bottom: var(--space-12);
}

.footer__brand .navbar__brand {
  display: inline-flex;
  margin-bottom: var(--space-4);
}

.footer__brand .brand-ges { color: #FFFFFF !important; }
.footer__brand .brand-lab { color: var(--color-green-light) !important; }

.footer__brand p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 30ch;
  margin-bottom: var(--space-6);
}

/* Social links */
.footer__social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.55);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

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

.social-link svg { width: 18px; height: 18px; }

/* Footer nav links */
.footer__links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-5);
}

.footer__col ul { display: flex; flex-direction: column; gap: var(--space-3); }

.footer__col li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
}

.footer__col a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__col a:hover { color: var(--color-green-light); }

/* Footer bottom */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-block: var(--space-6);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  text-align: center;
}

.footer__bottom-inner p { max-width: none; }


/* ----------------------------------------------------------
   16. BACK TO TOP
   ---------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.40);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-green-dark);
  box-shadow: 0 6px 22px rgba(22, 163, 74, 0.55);
  transform: translateY(-2px);
}

.back-to-top svg { width: 20px; height: 20px; }


/* ----------------------------------------------------------
   17. ANIMACIONES DE REVEAL (Intersection Observer)
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays escalonados */
.reveal--delay-1 { transition-delay: 0.10s; }
.reveal--delay-2 { transition-delay: 0.20s; }
.reveal--delay-3 { transition-delay: 0.30s; }
.reveal--delay-4 { transition-delay: 0.40s; }
.reveal--delay-5 { transition-delay: 0.50s; }


/* ----------------------------------------------------------
   18. RESPONSIVE — TABLET (≥ 768px)
   ---------------------------------------------------------- */
@media (min-width: 768px) {

  :root {
    --container-pad: var(--space-8);
  }

  /* Navbar */
  .hamburger { display: none; }
  .navbar__nav { display: flex; }
  .nav__list  { display: flex; }

  /* Hero */
  .hero__metrics { flex-wrap: nowrap; }
  .hero__metric-divider { display: block; }

  /* Problems */
  .problems__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Timeline: estilo horizontal en tablet+ */
  .ecosystem__timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }

  .ecosystem__timeline::before { display: none; }

  .timeline-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .timeline-step__content {
    text-align: left;
  }

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

  /* Value prop */
  .value-prop__inner {
    grid-template-columns: 1fr 1fr;
    align-items: flex-start;
    gap: var(--space-16);
  }

  /* Experience */
  .experience__metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  /* About */
  .about__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr 2fr;
    align-items: flex-start;
  }

  .footer__links {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}


/* ----------------------------------------------------------
   19. RESPONSIVE — DESKTOP PEQUEÑO (≥ 1024px)
   ---------------------------------------------------------- */
@media (min-width: 1024px) {

  :root {
    --container-pad: var(--space-10);
  }

  /* Navbar */
  .navbar__nav { gap: var(--space-2); }

  /* Problems */
  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Timeline: completamente horizontal */
  .ecosystem__timeline {
    grid-template-columns: repeat(5, 1fr);
    position: relative;
  }

  /* Línea horizontal conectora */
  .ecosystem__timeline::after {
    content: '';
    position: absolute;
    top: 28px; /* centrado en el marcador */
    left: calc(56px / 2);
    right: calc(56px / 2);
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-green) 15%, var(--color-green) 85%, transparent);
    z-index: 0;
  }

  .timeline-step__marker { position: relative; z-index: 1; }

  /* Services */
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Section headers con números en posición correcta */
  .section__header { padding-top: var(--space-12); }

  /* About: proporciones */
  .about__inner { gap: var(--space-20); }

}


/* ----------------------------------------------------------
   20. RESPONSIVE — DESKTOP GRANDE (≥ 1280px)
   ---------------------------------------------------------- */
@media (min-width: 1280px) {

  :root {
    --container-pad: var(--space-12);
  }

  /* Services: los 5 en una fila */
  .services__grid {
    grid-template-columns: repeat(5, 1fr);
  }

}


/* ----------------------------------------------------------
   21. MOBILE (max 480px) — ajustes específicos
   ---------------------------------------------------------- */
@media (max-width: 480px) {

  :root {
    --container-pad: var(--space-5);
    --navbar-h: 64px;
  }

  .hero__metrics { gap: var(--space-4); }
  .hero__metric-divider { display: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .section__number { font-size: 4rem; top: -0.5rem; }

  .cta-final__actions { flex-direction: column; align-items: stretch; }
  .cta-final__actions .btn { text-align: center; }

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

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

  .about__values { gap: var(--space-2); }
}


/* ----------------------------------------------------------
   14. FORMULARIO DE CONTACTO
   ---------------------------------------------------------- */
.contact-form-section {
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

/* Decoración fondo */
.contact-form-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.contact-form-wrap {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
}

/* Form container */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Form row: dos campos lado a lado */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

/* Form group */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group--checkbox { flex-direction: row; align-items: flex-start; }

/* Labels */
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-required {
  color: var(--color-green);
  font-weight: 700;
}

/* Inputs generales */
.form-input,
.form-textarea {
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  font-family: var(--font-body);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-theme);
  appearance: none;
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-green-muted);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

/* Estado de error */
.form-input.has-error,
.form-textarea.has-error {
  border-color: #DC2626;
  background: rgba(220, 38, 38, 0.04);
}

.form-input.has-error:focus,
.form-textarea.has-error:focus {
  border-color: #DC2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Select */
.form-input[type="select"],
.form-input {
  cursor: pointer;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Placeholders */
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

/* Fieldset */
.form-fieldset {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-legend {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  padding: 0;
}

/* Checkboxes */
.form-checkboxes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  cursor: pointer;
  accent-color: var(--color-green);
  border-radius: var(--radius-sm);
}

.form-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

.form-checkbox input[type="checkbox"]:checked {
  background: var(--color-green);
  border-color: var(--color-green);
}

.checkbox-label {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.form-checkbox:hover .checkbox-label {
  color: var(--color-green);
}

/* Consent checkbox */
.form-checkbox-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox-consent input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-green);
}

.form-checkbox-consent .checkbox-label {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

.form-checkbox-consent .checkbox-label a {
  color: var(--color-green);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.form-checkbox-consent .checkbox-label a:hover {
  color: var(--color-green-dark);
}

/* Error messages */
.form-error {
  display: none;
  font-size: var(--text-xs);
  color: #DC2626;
  font-weight: 500;
  margin-top: -0.5rem;
}

.form-error.is-visible {
  display: block;
}

/* Form messages (success/error) */
.form-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  display: none;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-message.is-visible {
  display: block;
}

.form-message--success {
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-green-dark);
  border: 1px solid var(--color-green-muted);
}

.form-message--error {
  background: rgba(220, 38, 38, 0.1);
  color: #DC2626;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

/* Form actions */
.form-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.form-actions .btn {
  flex: 1;
  justify-content: center;
}

.form-actions .btn--outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.form-actions .btn--outline:hover {
  background: var(--bg-elevated);
  border-color: var(--color-green);
  color: var(--color-green);
}

/* Disclaimer */
.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-3);
  line-height: 1.6;
  max-width: none;
}

.form-disclaimer a {
  color: var(--color-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-disclaimer a:hover {
  color: var(--color-green-dark);
}


/* ----------------------------------------------------------
   15. NUESTROS ALIADOS
   ---------------------------------------------------------- */
.allies {
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

/* Fondo decorativo */
.allies::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

/* Grid de aliados */
.allies__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  position: relative;
  z-index: 1;
}

/* Card de aliado */
.ally-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-theme);
  cursor: default;
}

.ally-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-green-muted);
}

/* Logo container */
.ally-card__logo-wrap {
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-green-muted) 0%, rgba(22, 163, 74, 0.08) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  overflow: hidden;
  transition: transform var(--transition-base), background var(--transition-base);
}

.ally-card:hover .ally-card__logo-wrap {
  transform: scale(1.08);
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.15) 0%, var(--color-green-muted) 100%);
}

.ally-card__logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.ally-card:hover .ally-card__logo {
  transform: scale(1.1);
}

/* Nombre de la organización */
.ally-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  line-height: 1.3;
}

/* Tipo de aliado */
.ally-card__type {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  max-width: none;
}

/* CTA de aliados */
.allies__cta {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border: 2px solid var(--color-green-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  transition: border-color var(--transition-base), background-color var(--transition-theme);
}

.allies__cta:hover {
  border-color: var(--color-green);
  background: var(--bg-elevated);
}

.allies__cta-text {
  font-size: var(--text-md);
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  max-width: 50ch;
  margin-inline: auto;
  line-height: 1.7;
}


/* ----------------------------------------------------------
   16. FORM RESPONSIVE
   ---------------------------------------------------------- */
@media (min-width: 768px) {
  .contact-form-wrap {
    padding: var(--space-12) var(--space-10);
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .form-checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .form-actions {
    gap: var(--space-6);
  }

  .form-actions .btn {
    flex: 0 1 auto;
  }

  /* Aliados: 3 columnas en tablet */
  .allies__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ----------------------------------------------------------
   17. RESPONSIVE — DESKTOP (≥ 1024px)
   ---------------------------------------------------------- */
@media (min-width: 1024px) {
  /* Aliados: mismas 3 columnas en desktop */
  .allies__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ally-card {
    padding: var(--space-12) var(--space-8);
  }

  .ally-card__logo-wrap {
    width: 160px;
    height: 160px;
  }
}


/* ----------------------------------------------------------
   18. RESPONSIVE — DESKTOP GRANDE (≥ 1280px)
   ---------------------------------------------------------- */
@media (min-width: 1280px) {
  /* Aliados: 6 columnas en desktop grande */
  .allies__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .ally-card {
    padding: var(--space-10) var(--space-6);
  }

  .ally-card__logo-wrap {
    width: 140px;
    height: 140px;
  }

  .ally-card__name {
    font-size: var(--text-base);
  }
}


/* ----------------------------------------------------------
   19. RESPONSIVE MOBILE (max 480px)
   ---------------------------------------------------------- */
@media (max-width: 480px) {
  .allies__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .ally-card {
    padding: var(--space-8) var(--space-5);
  }

  .ally-card__logo-wrap {
    width: 120px;
    height: 120px;
  }
}


/* ----------------------------------------------------------
   23. UTILIDADES
   ---------------------------------------------------------- */
/* Skip link para accesibilidad */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-green);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus { top: 0; }

/* Selección de texto con color de marca */
::selection {
  background: rgba(22, 163, 74, 0.25);
  color: var(--text-primary);
}

/* Scrollbar personalizado (webkit) */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover { background: var(--color-green); }