/* =============================================
   INACE – Design System & Styles
   ============================================= */

/* === Custom Properties === */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-primary-glow: rgba(37, 99, 235, 0.25);
  --color-accent: #2563eb;
  --color-dark: #0f172a;
  --color-dark-soft: #1e293b;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;
  --font-size-5xl: 4rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Sizes */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 20px var(--color-primary-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 350ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
  touch-action: manipulation;
}

ul {
  list-style: none;
}

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

input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

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

/* === Typography Utils === */
.text-accent {
  color: var(--color-primary);
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 10;
}

.header__logo-img {
  height: 48px;
  width: auto;
  transition: transform var(--transition-fast);
}

.header__logo:hover .header__logo-img {
  transform: scale(1.05);
}

.header__logo-text {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__nav-link--cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.header__nav-link--cta::after {
  display: none;
}

.header__nav-link--cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

/* Mobile toggle */
.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  z-index: 10000;
}

.header__menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(15, 23, 42, 0.85) 0%,
      rgba(15, 23, 42, 0.6) 40%,
      rgba(37, 99, 235, 0.15) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(1.3);
  }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-primary-light), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-md);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* Hero anims */
.anim-hero {
  opacity: 0;
  transform: translateY(30px);
}

.anim-hero.visible {
  animation: heroFadeIn 0.8s var(--ease-out) forwards;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero tech line */
.hero__tech-line {
  width: 100%;
  max-width: 600px;
  margin-top: var(--space-3xl);
  opacity: 0.5;
}

.tech-line-path {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
}

.tech-line-path.animate {
  animation: drawLine 2s var(--ease-in-out) forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.tech-line-dot {
  opacity: 0;
}

.tech-line-dot.animate {
  animation: dotAppear 0.4s var(--ease-out) forwards;
}

@keyframes dotAppear {
  to {
    opacity: 1;
  }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.6);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.btn--glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }

  50%,
  100% {
    left: 150%;
  }
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* =============================================
   SECTIONS
   ============================================= */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

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

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

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section__tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, var(--font-size-3xl));
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.section__desc {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* =============================================
   SERVICES
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* Optimizamos espacio en 4 columnas */
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  /* Padding reducido para menor altura */
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  /* Sombra rediseñada pero más sutil */
  border-color: rgba(37, 99, 235, 0.2);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  /* Icono más compacto */
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.06);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover .service-card__icon {
  background: rgba(37, 99, 235, 0.12);
  transform: scale(1.08);
}

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

.service-card__title {
  font-size: var(--font-size-sm);
  /* Fuente más compacta que lg */
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.service-card__desc {
  font-size: 0.85rem;
  /* Descripción más pequeña, legible pero densa */
  color: var(--color-text-light);
  line-height: 1.5;
}

.service-card__line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  transition: width 0.5s var(--ease-out);
}

.service-card:hover .service-card__line {
  width: 100%;
}

/* Section tech line */
.section-tech-line {
  width: 100%;
  margin-top: var(--space-3xl);
  overflow: visible;
}

/* =============================================
   ABOUT
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about__image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.about__image:hover img {
  transform: scale(1.03);
}

.about__image-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--color-primary);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: var(--shadow-lg);
}

.about__image-badge-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1;
}

.about__image-badge-text {
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1.3;
  opacity: 0.9;
}

.about__content .section__tag {
  margin-bottom: var(--space-md);
}

.about__content .section__title {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.about__text {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about__text strong {
  color: var(--color-dark);
  font-weight: 600;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.about__stat {
  text-align: center;
}

.about__stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.about__stat-plus {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.about__stat-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* =============================================
   WHY INACE
   ============================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.why-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.2);
}

.why-card__number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: rgba(37, 99, 235, 0.06);
  position: absolute;
  top: 12px;
  right: 20px;
  line-height: 1;
}

.why-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.06);
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  color: var(--color-primary);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.why-card:hover .why-card__icon {
  background: rgba(37, 99, 235, 0.12);
  transform: scale(1.1);
}

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

.why-card__title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.why-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* =============================================
   CAROUSEL / PROJECTS
   ============================================= */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-dark);
  box-shadow: var(--shadow-xl);
}

.carousel__track {
  display: flex;
  transition: transform 0.8s var(--ease-in-out);
  will-change: transform;
}

.carousel__slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}


.carousel__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2xl) var(--space-2xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
  color: #fff;
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.5s var(--ease-out);
}

.carousel__slide.active .carousel__caption {
  transform: translateY(0);
  opacity: 1;
}

.carousel__caption h4 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.carousel__caption p {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  z-index: 5;
  transition: all var(--transition-fast);
}

.carousel__btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.08);
}

.carousel__btn--prev {
  left: 20px;
}

.carousel__btn--next {
  right: 20px;
}

.carousel__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 5;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel__dot.active {
  background: #fff;
  transform: scale(1.2);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.carousel__dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

/* =============================================
   CONTACT
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info__card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.06);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-info__item:hover .contact-info__icon {
  background: rgba(37, 99, 235, 0.12);
  transform: scale(1.05);
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__item h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 2px;
}

.contact-info__item a,
.contact-info__item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.contact-info__item a:hover {
  color: var(--color-primary);
}

/* Contact form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-form__group {
  margin-bottom: var(--space-lg);
}

.contact-form__group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.contact-form__group input,
.contact-form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
  color: var(--color-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
}

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

.contact-form__group input:focus,
.contact-form__group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-bg);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

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

.contact-status {
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius-md);
  padding: 0;
  transition: all 0.3s var(--ease-out);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}

.contact-status.show {
  padding: 10px;
  max-height: 100px;
  opacity: 1;
}

.contact-status.error {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.1);
}

.contact-status.success {
  color: #22c55e;
  background: rgba(34, 197, 94, 0.05);
  border: 1px solid rgba(34, 197, 94, 0.1);
}

/* =============================================
   MAQUINARIA (LISTA DENSA MULTICOLUMNA)
   ============================================= */
.machinery-dense-list {
  column-count: 4;
  column-gap: var(--space-3xl);
  list-style: none;
  padding: 0;
  margin-top: var(--space-xl);
}

.machinery-item {
  break-inside: avoid;
  page-break-inside: avoid;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.machinery-item:hover {
  color: var(--color-primary);
}

.machinery-item__icon {
  color: var(--color-primary);
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Machinery Optimization for Mobile */
.machinery-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
}

.machinery-toggle-btn {
  display: none;
  max-width: 300px;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.machinery-toggle-btn:hover {
  background: rgba(37, 99, 235, 0.05);
  border-color: var(--color-primary-dark);
}

@media (max-width: 768px) {
  .machinery-dense-list {
    max-height: 400px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.8s var(--ease-out);
  }

  .machinery-dense-list::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--color-bg), transparent);
    pointer-events: none;
    transition: opacity 0.4s;
  }

  .machinery-dense-list.expanded {
    max-height: 2500px;
    /* Suficiente para toda la lista */
  }

  .machinery-dense-list.expanded::after {
    opacity: 0;
  }

  .machinery-toggle-btn {
    display: inline-flex;
  }

  .machinery-toggle-btn.active svg {
    transform: rotate(180deg);
  }
}

@media (max-width: 1024px) {
  .machinery-dense-list {
    column-count: 3;
    column-gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .machinery-dense-list {
    column-count: 2;
    column-gap: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .machinery-dense-list {
    column-count: 1;
  }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-4xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand {
  display: flex;
  flex-direction: column;
}

.footer__logo-img {
  height: 200px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: opacity 0.3s;
}

.footer__logo-img:hover {
  opacity: 0.8;
}

.footer__tagline {
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.footer__links h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-lg);
}

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

.footer__links a,
.footer__links li {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  padding: var(--space-xl) 0;
}

.footer__bottom-inner {
  text-align: center;
}

.footer__bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.35);
}

/* =============================================
   REVEAL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal--left {
  transform: translateX(-40px);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-grid {
    gap: var(--space-2xl);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  /* --- Header mobile --- */
  .header__logo-img {
    height: 40px;
  }

  .header__menu-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.4s var(--ease-out), visibility 0.4s;
    z-index: 9999;
    padding: var(--space-2xl) var(--space-xl);
    overflow-y: auto;
  }

  .header__nav.open {
    transform: translateX(0);
    pointer-events: all;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
    width: 100%;
  }

  .header__nav-link {
    font-size: var(--font-size-xl);
    padding: var(--space-sm) var(--space-md);
    display: block;
  }

  .header__nav-link--cta {
    margin-top: var(--space-md);
    padding: 14px 32px;
  }

  /* --- Hero mobile --- */
  .hero {
    min-height: calc(100vh - env(safe-area-inset-bottom, 0px));
    min-height: 100svh;
  }

  .hero__content {
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .hero__badge {
    padding: 6px 16px;
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-lg);
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 3rem);
    margin-bottom: var(--space-lg);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
    font-size: var(--font-size-base);
  }

  .hero__tech-line {
    display: none;
  }

  .hero__scroll {
    bottom: 24px;
  }

  /* --- Sections mobile --- */
  .section {
    padding: var(--space-3xl) 0;
  }

  .section__header {
    margin-bottom: var(--space-2xl);
  }

  .section__title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .section__desc {
    font-size: var(--font-size-base);
  }

  /* --- Services mobile --- */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .service-card__icon {
    width: 44px;
    height: 44px;
    margin-bottom: var(--space-sm);
  }

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

  .service-card__title {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
  }

  .service-card__desc {
    font-size: var(--font-size-xs);
    line-height: 1.5;
  }

  /* --- About mobile --- */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__image img {
    height: 260px;
  }

  .about__image-badge {
    bottom: 16px;
    right: 16px;
    padding: 12px 16px;
  }

  .about__image-badge-number {
    font-size: var(--font-size-xl);
  }

  .about__content .section__title {
    font-size: clamp(1.4rem, 5vw, 1.8rem);
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .about__stat-number {
    font-size: var(--font-size-xl);
  }

  /* --- Why INACE mobile --- */
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .why-card {
    padding: var(--space-xl);
  }

  .why-card__number {
    font-size: var(--font-size-2xl);
  }

  /* --- Carousel mobile --- */
  .carousel {
    border-radius: var(--radius-lg);
  }

  .carousel__slide {
    aspect-ratio: 4 / 3;
  }

  .carousel__btn {
    width: 44px;
    height: 44px;
  }

  .carousel__btn--prev {
    left: 8px;
  }

  .carousel__btn--next {
    right: 8px;
  }

  .carousel__caption {
    padding: var(--space-lg) var(--space-lg);
  }

  .carousel__caption h4 {
    font-size: var(--font-size-md);
  }

  .carousel__caption p {
    font-size: var(--font-size-xs);
  }

  .carousel__dots {
    bottom: 12px;
  }

  .carousel__dot {
    width: 8px;
    height: 8px;
  }

  /* --- Contact mobile --- */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-info__card {
    padding: var(--space-xl);
  }

  .contact-info__item {
    gap: var(--space-md);
  }

  .contact-info__icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .contact-form {
    padding: var(--space-xl);
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  /* Prevent iOS zoom on input focus */
  .contact-form__group input,
  .contact-form__group textarea {
    font-size: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
  }

  .btn--full {
    padding: 16px;
    font-size: var(--font-size-base);
  }

  /* --- Footer mobile --- */
  .footer {
    padding-top: var(--space-3xl);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__bottom {
    padding: var(--space-lg) 0;
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero__title {
    font-size: clamp(1.6rem, 8vw, 2.2rem);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
  }

  .hero__badge {
    font-size: 0.7rem;
    padding: 5px 12px;
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .section__tag {
    font-size: 0.65rem;
    padding: 5px 12px;
  }

  .section__title {
    font-size: clamp(1.3rem, 5.5vw, 1.7rem);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .service-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
  }

  .service-card__title {
    font-size: var(--font-size-md);
  }

  .about__image img {
    height: 220px;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .about__stat-number {
    font-size: var(--font-size-lg);
  }

  .about__stat-label {
    font-size: 0.65rem;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .why-card {
    padding: var(--space-lg);
    display: flex;
    flex-direction: row;
    text-align: left;
    gap: var(--space-md);
    align-items: flex-start;
  }

  .why-card__icon {
    margin: 0;
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .why-card__number {
    display: none;
  }

  .carousel__slide {
    aspect-ratio: 3 / 2;
  }

  .carousel__btn {
    width: 36px;
    height: 36px;
  }

  .carousel__btn svg {
    width: 18px;
    height: 18px;
  }

  .carousel__btn--prev {
    left: 6px;
  }

  .carousel__btn--next {
    right: 6px;
  }

  .carousel__caption {
    padding: var(--space-md);
  }

  .carousel__caption h4 {
    font-size: var(--font-size-base);
  }

  .section__cta .btn {
    padding: 14px 28px;
    font-size: var(--font-size-sm);
  }

  .contact-info__card {
    padding: var(--space-lg);
    gap: var(--space-lg);
  }

  .contact-form {
    padding: var(--space-lg);
  }

  .contact-form__group {
    margin-bottom: var(--space-md);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__brand {
    grid-column: auto;
  }

  .footer__links h4 {
    margin-bottom: var(--space-md);
  }

  .footer__bottom p {
    font-size: 0.65rem;
    line-height: 1.5;
  }
}

/* Ultra-small devices */
@media (max-width: 360px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .hero__title {
    font-size: 1.4rem;
  }

  .hero__content {
    padding-top: calc(var(--header-height) + var(--space-xl));
  }

  .hero__actions .btn {
    padding: 14px 20px;
    font-size: var(--font-size-sm);
  }

  .about__image-badge {
    bottom: 12px;
    right: 12px;
    padding: 10px 12px;
  }

  .about__stats {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .carousel {
    border-radius: var(--radius-md);
  }

  .section__title {
    font-size: 1.2rem;
  }
}