/* ==========================================================================
   IT4.MX — CORPORATE TECH DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Manual de Identidad Corporativa IT4 */
  --color-primary: #1950ad;       /* Azul Corporativo */
  --color-secondary: #146d8a;     /* Azul Petróleo */
  --color-accent: #45c1cf;        /* Cian */
  --color-teal: #0faba4;          /* Verde Azulado / Teal */
  --color-bg-light: #f8fafc;      /* Fondo Claro Institucional */

  /* Mapeos de Apoyo y Compatibilidad */
  --color-dark-navy: #07111F;
  --color-dark: #03070D;
  --color-blue: #1950ad;          /* Azul Corporativo Principal */
  --color-electric-blue: #45c1cf; /* Cian de Acento */
  --color-white: #FFFFFF;
  --color-light-gray: #f8fafc;    /* Fondo Claro Institucional */
  --color-gray: #475569;
  --color-dark-text: #0f172a;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-light: #E2E8F0;

  /* Glassmorphism */
  --glass-bg-dark: rgba(7, 17, 31, 0.85);
  --glass-bg-light: rgba(255, 255, 255, 0.90);
  --glass-border: rgba(69, 193, 207, 0.2);
  --glass-blur: blur(16px);

  /* Tipografía Oficial Montserrat */
  --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Montserrat', sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(25, 80, 173, 0.06);
  --shadow-md: 0 8px 24px rgba(25, 80, 173, 0.12);
  --shadow-lg: 0 16px 40px rgba(7, 17, 31, 0.16);
  --shadow-glow: 0 0 30px rgba(69, 193, 207, 0.35);

  /* Layout */
  --max-width: 1280px;
  --header-height: 110px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-dark-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

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

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Classes */
.h1-title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 5vw, 76px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-dark-navy);
}

.h1-title.light {
  color: var(--color-white);
}

.h2-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.8vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-dark-navy);
}

.h2-title.light {
  color: var(--color-white);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: var(--color-teal);
  border-radius: 50%;
}

.section-label.light {
  color: var(--color-accent);
}
.section-label.light::before {
  background-color: var(--color-accent);
}

.body-large {
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.65;
  color: var(--color-gray);
}

.body-large.light {
  color: rgba(255, 255, 255, 0.85);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 48px;
  letter-spacing: -0.01em;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(25, 80, 173, 0.28);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-teal) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 171, 164, 0.35);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: 1px solid var(--color-accent);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-dark-navy);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(69, 193, 207, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-white);
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(25, 80, 173, 0.25);
}

.btn-arrow-icon {
  display: inline-block;
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow-icon {
  transform: translateX(4px);
}

/* Double-Bezel (Doppelrand) Card Architecture */
.card-double-bezel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(69, 193, 207, 0.15);
  padding: 8px;
  border-radius: 28px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 12px 32px rgba(7, 17, 31, 0.12);
}

.card-double-bezel:hover {
  border-color: rgba(69, 193, 207, 0.45);
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(7, 17, 31, 0.24), 0 0 30px rgba(69, 193, 207, 0.18);
}

.card-double-bezel-inner {
  background: var(--color-white);
  border-radius: calc(28px - 8px);
  padding: 36px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

.card-double-bezel-inner.dark-core {
  background: linear-gradient(145deg, #0b192e 0%, #07111f 100%);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-span-12 { grid-column: span 12; }
.bento-span-8  { grid-column: span 8; }
.bento-span-7  { grid-column: span 7; }
.bento-span-6  { grid-column: span 6; }
.bento-span-5  { grid-column: span 5; }
.bento-span-4  { grid-column: span 4; }

.bento-content-padding {
  padding: 40px;
}

/* Project Filter Tabs & Gallery System */
.project-filter-tab {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-main);
  background: var(--color-white);
  color: var(--color-gray);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
}

.project-filter-tab:hover {
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.project-filter-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 6px 18px rgba(25, 80, 173, 0.3);
}

.project-item {
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-double-bezel:hover img {
  transform: scale(1.06);
}

/* Micro-Badges & Eyebrows */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(69, 193, 207, 0.1);
  border: 1px solid rgba(69, 193, 207, 0.25);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.eyebrow-pill .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* Floating Glass Pill Header */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), 1280px);
  z-index: 1000;
  border-radius: 100px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 16px;
  height: 72px;
  background: rgba(7, 17, 31, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28), 0 0 20px rgba(69, 193, 207, 0.08);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(25, 80, 173, 0.15);
  box-shadow: 0 12px 32px rgba(7, 17, 31, 0.1), 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.it4-logo-wrapper {
  display: inline-flex;
  align-items: center;
  background: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.it4-logo-wrapper:hover {
  transform: scale(1.03);
}

.it4-logo-img {
  display: block;
  height: 62px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.site-header.scrolled .it4-logo-img {
  filter: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

.site-header.scrolled .nav-link {
  color: var(--color-dark-navy);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-electric-blue) !important;
}

.site-header.scrolled .nav-link:hover, 
.site-header.scrolled .nav-link.active {
  color: var(--color-blue) !important;
}

/* Dropdown Menu */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: 680px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border-light);
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.dropdown-col-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}

.dropdown-item {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-light-gray);
}

.dropdown-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark-navy);
}

.dropdown-item-desc {
  font-size: 12px;
  color: var(--color-gray);
  margin-top: 2px;
}

/* Hamburger & Mobile Menu */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.site-header.scrolled .mobile-toggle {
  color: var(--color-dark-navy);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-dark-navy);
  z-index: 1050;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  overflow-y: auto;
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
}

.mobile-nav-subgroup {
  margin-left: 16px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 2px solid rgba(20, 110, 245, 0.4);
  padding-left: 16px;
}

.mobile-nav-sublink {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

/* Hero Section & Kinetic Motion System */
.hero-section {
  position: relative;
  min-height: 100vh;
  background-color: var(--color-dark-navy);
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-glow-orb-1 {
  position: absolute;
  top: -10%;
  right: 5%;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69, 193, 207, 0.28) 0%, rgba(25, 80, 173, 0.1) 50%, transparent 70%);
  filter: blur(70px);
  z-index: 1;
  pointer-events: none;
  animation: floatOrb1 16s ease-in-out infinite alternate;
}

.hero-glow-orb-2 {
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 171, 164, 0.22) 0%, rgba(7, 17, 31, 0) 70%);
  filter: blur(85px);
  z-index: 1;
  pointer-events: none;
  animation: floatOrb2 20s ease-in-out infinite alternate;
}

@keyframes floatOrb1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-35px, 45px) scale(1.1); }
  100% { transform: translate(45px, -25px) scale(0.95); }
}

@keyframes floatOrb2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(55px, -35px) scale(1.08); }
  100% { transform: translate(-25px, 35px) scale(0.92); }
}

.animate-hero-fade {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(28px);
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  .animate-hero-fade, .reveal-on-scroll {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(20, 110, 245, 0.25) 0%, transparent 60%),
              linear-gradient(180deg, rgba(7, 17, 31, 0.4) 0%, #07111F 100%);
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: brightness(0.9) contrast(1.1);
  transform: scale(1.05);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 60px 0;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-8px) translateX(-50%); }
  60% { transform: translateY(-4px) translateX(-50%); }
}

/* Two Verticals Section */
.section-verticals {
  padding: 120px 0;
  background-color: var(--color-white);
}

.verticals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}

.vertical-card {
  position: relative;
  background-color: var(--color-dark-navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.vertical-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.vertical-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.vertical-card:hover .vertical-card-img {
  transform: scale(1.04);
}

.vertical-card-content {
  position: relative;
  z-index: 2;
}

.vertical-card-num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-electric-blue);
  margin-bottom: 12px;
}

.vertical-card-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.vertical-card-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  max-width: 480px;
}

/* Quiénes Somos Section */
.section-about {
  padding: 120px 0;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.concepts-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.concept-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all var(--transition-medium);
}

.concept-box:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-blue);
  transform: translateY(-4px);
}

.concept-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(20, 110, 245, 0.15);
  color: var(--color-electric-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.concept-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.concept-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

/* Tres Pilares */
.section-pilars {
  padding: 120px 0;
  background-color: var(--color-dark);
  color: var(--color-white);
}

.pilars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.pilar-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  position: relative;
  overflow: hidden;
}

.pilar-num {
  font-size: 64px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--font-heading);
}

.pilar-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-white);
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

/* Timeline Proyectos Llave en Mano */
.section-timeline {
  padding: 120px 0;
  background-color: var(--color-light-gray);
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 60px;
  position: relative;
}

.timeline-step {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium);
}

.timeline-step:hover {
  transform: translateY(-4px);
  border-color: var(--color-blue);
}

.timeline-num {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-blue);
  margin-bottom: 8px;
}

.timeline-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark-navy);
}

.timeline-summary-bar {
  margin-top: 40px;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Qué Ofrecemos Grid */
.section-offer {
  padding: 120px 0;
  background-color: var(--color-white);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.offer-card {
  background-color: var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-medium);
}

.offer-card:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue);
  transform: translateY(-4px);
}

.offer-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark-navy);
  margin-bottom: 12px;
}

/* Nuestra Razón de Ser */
.section-purpose {
  position: relative;
  padding: 140px 0;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  overflow: hidden;
}

.purpose-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.purpose-content {
  position: relative;
  z-index: 2;
  max-width: 840px;
}

/* Beneficios Grid */
.section-benefits {
  padding: 120px 0;
  background-color: var(--color-light-gray);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.benefit-item {
  background-color: var(--color-white);
  padding: 28px 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.benefit-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: rgba(20, 110, 245, 0.1);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
}

.benefit-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark-navy);
}

/* Subpage Hero */
.page-hero {
  padding: 160px 0 80px 0;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  position: relative;
}

.page-hero-container {
  max-width: 860px;
}

/* Solutions Cards */
.solutions-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 60px;
}

.solution-big-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
}

.solution-big-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-blue);
  transform: translateY(-4px);
}

.solution-card-body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.solution-card-media {
  min-height: 360px;
}

.solution-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Servicios Financieros Cards */
.financial-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.financial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.financial-card-tag {
  display: inline-block;
  padding: 6px 12px;
  background-color: rgba(20, 110, 245, 0.1);
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 16px;
}

.benefits-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefit-bullet {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-dark-navy);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  margin-top: 60px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark-navy);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-dark-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(20, 110, 245, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Footer */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-electric-blue);
  margin-top: 12px;
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 990;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.6);
}

/* Sección Alianzas y Marcas Líderes (Logos Sueltos PNG Directos sin Cuadros) */
.aliados-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 48px;
  align-items: center;
  justify-items: center;
}

.aliado-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 90px;
  padding: 8px 16px;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.aliado-logo-img {
  max-width: 100%;
  max-height: 75px;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: none !important;
  opacity: 1 !important;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.aliado-item:hover .aliado-logo-img {
  transform: scale(1.1) translateY(-3px);
}

/* Infinite Logo Marquee Carousel */
.logo-marquee-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
}

.logo-marquee-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marqueeScroll 50s linear infinite;
}

.logo-marquee-track.reverse {
  animation: marqueeScrollReverse 55s linear infinite;
}

.logo-marquee-wrapper:hover .logo-marquee-track {
  animation-play-state: paused;
}

.logo-marquee-item {
  flex: 0 0 auto;
  width: 175px;
  height: 86px;
  padding: 10px 18px;
  background: var(--color-white);
  border: 1px solid rgba(7, 17, 31, 0.08);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(7, 17, 31, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-marquee-item:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 24px rgba(7, 17, 31, 0.12);
  border-color: rgba(69, 193, 207, 0.45);
}

.logo-marquee-img {
  max-width: 100%;
  max-height: 58px;
  width: auto;
  height: auto;
  object-fit: contain;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes marqueeScrollReverse {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 1199px) {
  .header-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .verticals-grid, .about-grid, .offer-grid, .financial-cards, .contact-grid {
    grid-template-columns: 1fr;
  }
  .pilars-grid, .benefits-grid {
    grid-template-columns: 1fr 1fr;
  }
  .aliados-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 36px;
  }
  .escuelas-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px 12px;
  }
  .timeline-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .solution-big-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 991px) {
  .site-header {
    height: 68px;
    top: 12px;
    width: calc(100% - 32px);
  }
  .it4-logo-img {
    height: 48px;
  }
  .bento-grid {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  .bento-span-12, .bento-span-8, .bento-span-7, .bento-span-6, .bento-span-5, .bento-span-4 {
    grid-column: span 12 / span 12;
    width: 100%;
    max-width: 100%;
  }
  .project-filter-container {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    justify-content: flex-start !important;
  }
  .project-filter-tab {
    flex-shrink: 0;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .site-header {
    height: 60px;
    top: 8px;
    width: calc(100% - 24px);
    padding: 0 14px;
  }
  .it4-logo-img {
    height: 40px;
  }
  .card-double-bezel-inner {
    padding: 24px 18px;
  }
  .bento-content-padding {
    padding: 24px 18px;
  }
  .pilars-grid, .benefits-grid, .concepts-row, .timeline-steps {
    grid-template-columns: 1fr;
  }
  .aliados-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 28px;
  }
  .escuelas-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px 10px;
  }
  .escuela-item {
    height: 76px;
    padding: 6px 8px;
  }
  .escuela-logo-img {
    max-height: 50px;
  }
  .aliado-item {
    height: 70px;
    padding: 4px;
  }
  .aliado-logo-img {
    max-height: 58px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 575px) {
  .h1-title {
    font-size: clamp(28px, 7.5vw, 42px) !important;
  }
  .h2-title {
    font-size: clamp(22px, 6vw, 34px) !important;
  }
  .card-double-bezel-inner {
    padding: 20px 14px;
  }
  .bento-content-padding {
    padding: 20px 14px;
  }
  .eyebrow-pill {
    font-size: 11px;
    padding: 5px 12px;
  }
  .escuelas-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@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;
  }
}

/* Redes Sociales Oficiales IT4 */
.social-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-fast);
}

.social-icon-link:hover {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(20, 110, 245, 0.4);
}

/* Logo Institucional Animado en Tarjeta de Proyecto */
@keyframes logoSoftPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(25, 80, 173, 0.08);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(69, 193, 207, 0.28);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(25, 80, 173, 0.08);
  }
}

.client-logo-animated-badge {
  animation: logoSoftPulse 3.5s infinite ease-in-out;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.client-logo-animated-badge:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 25px rgba(25, 80, 173, 0.35);
}