/* ==================== VARIABLES ==================== */
:root {
  /* Colores principales */
  --primary-color: #FF6B00;
  --primary-hover: #ff8c3f;
  --secondary-color: #333333;
  
  /* Colores neutros */
  --dark: #1A1A1A;
  --gray-900: #212121;
  --gray-800: #424242;
  --gray-700: #616161;
  --gray-600: #757575;
  --gray-500: #9E9E9E;
  --gray-400: #BDBDBD;
  --gray-300: #E0E0E0;
  --gray-200: #EEEEEE;
  --gray-100: #F5F5F5;
  --white: #FFFFFF;
  
  /* Tema claro */
  --bg-color: var(--white);
  --bg-secondary: var(--gray-100);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --border-color: var(--gray-300);
  
  /* Componentes */
  --card-bg: var(--white);
  --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.95);
  --form-bg: var(--white);
  
  /* Tipografía */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-md: 1.125rem;    /* 18px */
  --font-size-lg: 1.25rem;     /* 20px */
  --font-size-xl: 1.5rem;      /* 24px */
  --font-size-2xl: 2rem;       /* 32px */
  --font-size-3xl: 3rem;       /* 48px */
  
  /* Espaciado */
  --spacing-xs: 0.25rem;       /* 4px */
  --spacing-sm: 0.5rem;        /* 8px */
  --spacing-md: 1rem;          /* 16px */
  --spacing-lg: 1.5rem;        /* 24px */
  --spacing-xl: 2rem;          /* 32px */
  --spacing-2xl: 3rem;         /* 48px */
  --spacing-3xl: 4rem;         /* 64px */
  
  /* Bordes y radios */
  --border-radius-sm: 0.25rem; /* 4px */
  --border-radius-md: 0.5rem;  /* 8px */
  --border-radius-lg: 1rem;    /* 16px */
  --border-radius-xl: 1.5rem;  /* 24px */
  --border-radius-full: 9999px;
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-negative: -1;
  --z-normal: 1;
  --z-tooltips: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* Tema oscuro */
[data-theme="dark"] {
  --bg-color: var(--dark);
  --bg-secondary: var(--gray-900);
  --text-primary: var(--gray-100);
  --text-secondary: var(--gray-300);
  --border-color: var(--gray-800);
  
  --card-bg: var(--gray-900);
  --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  --header-bg: rgba(26, 26, 26, 0.95);
  --form-bg: var(--gray-900);
}

/* ==================== RESET Y ESTILOS BASE ==================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-color);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

ul, ol {
  list-style: none;
}

button,
input,
select,la
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ==================== UTILIDADES ==================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.section__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-full);
}

.section__subtitle {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn--primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn--primary:hover {
  background-color: var(--primary-hover);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(255, 107, 0, 0.3);
}

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

.btn--secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

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

/* ==================== CURSOR PERSONALIZADO ==================== */
.cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: width 0.2s, height 0.2s;
  z-index: var(--z-modal);
  mix-blend-mode: difference;
  opacity: 0;
}

.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: var(--z-modal);
  mix-blend-mode: difference;
  opacity: 0;
}

/* ==================== HEADER Y NAVEGACIÓN ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  backdrop-filter: blur(10px);
  z-index: var(--z-fixed);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo-img {
  width: 160px;
  transition: all var(--transition-normal);
}

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

.nav {
  display: flex;
  align-items: center;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__item {
  position: relative;
}

.nav__link {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  height: 24px;
  padding: 0;
  justify-content: center;
  z-index: 1000;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

/* Botón de tema */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.theme-toggle:hover {
  background-color: var(--gray-200);
  color: var(--primary-color);
  transform: rotate(10deg);
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: var(--gray-800);
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  position: relative;
  z-index: var(--z-normal);
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color) 0%, #FF9800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  max-width: 80%;
}

.hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.hero__img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-negative);
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.4;
}

.hero__shape--1 {
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--primary-color), #ff9900);
}

.hero__shape--2 {
  bottom: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #333333, #000000);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* ==================== SERVICIOS ==================== */
.servicios {
  position: relative;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  margin: 0 var(--spacing-md);
  padding: var(--spacing-2xl) 0;
}

.servicios__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.servicio-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 100%;
}

.servicio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--primary-color);
  transition: height var(--transition-normal);
}

.servicio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.servicio-card:hover::before {
  height: 100%;
}

.servicio-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 107, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.servicio-card:hover .servicio-card__icon {
  background-color: var(--primary-color);
  transform: rotateY(180deg);
}

.servicio-card__icon i {
  font-size: 28px;
  color: var(--primary-color);
  transition: all var(--transition-normal);
}

.servicio-card:hover .servicio-card__icon i {
  color: var(--white);
  transform: rotateY(180deg);
}

.servicio-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.servicio-card__text {
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.servicio-card__link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 600;
  margin-top: auto;
  position: relative;
  padding-bottom: 4px;
}

.servicio-card__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.servicio-card__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ==================== PROCESO ==================== */
.proceso {
  position: relative;
}

.proceso__steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.proceso__step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  position: relative;
}

.proceso__step:hover {
  transform: translateX(10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.proceso__step-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1) 0%, rgba(255, 152, 0, 0.1) 100%);
  border-radius: var(--border-radius-md);
  aspect-ratio: 1/1;
  align-self: flex-start;
}

.proceso__step-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.proceso__step-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.proceso__step-text {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==================== REDES SOCIALES ==================== */
.redes {
  text-align: center;
}

.redes__container {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.redes__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.redes__item:hover {
  transform: translateY(-5px);
}

.redes__icon {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-full);
  background-color: var(--card-bg);
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.redes__item:hover .redes__icon {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
}

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

/* ==================== CONTACTO ==================== */
.contacto {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  margin: 0 var(--spacing-md);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

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

.contacto__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.contacto__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contacto__details {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contacto__detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contacto__detail-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  background-color: rgba(255, 107, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-color);
}

.contacto__detail-info {
  flex: 1;
}

.contacto__detail-title {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-xs);
}

.contacto__detail-text {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.contacto__form-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

.contacto__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background-color: var(--bg-color);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-control::placeholder {
  color: var(--gray-500);
  opacity: 0.7;
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* ==================== FOOTER ==================== */
.footer {
  background-color: var(--bg-secondary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer__logo-img {
  width: 150px;
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-normal);
}

.footer__tagline {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

.footer__title {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.footer__title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
}

.footer__menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--primary-color);
  padding-left: var(--spacing-xs);
}

.footer__social-icons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background-color: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-color);
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.footer__social-link:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
}

.footer__bottom {
  text-align: center;
}

.footer__copy {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero__content {
    order: 2;
    align-items: center;
  }
  
  .hero__image {
    order: 1;
  }
  
  .hero__subtitle {
    max-width: 100%;
  }
  
  .contacto__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .servicios__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.5rem;
    --font-size-2xl: 1.75rem;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .header .container {
    height: 70px;
  }
  
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--card-bg);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-normal);
    z-index: 999;
  }
  
  .nav__menu.active {
    right: 0;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .proceso__step {
    grid-template-columns: 60px 1fr;
  }
  
  .contacto__info, .contacto__form-container {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-3xl: 3rem;
    --spacing-2xl: 2rem;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .servicios, .contacto {
    margin: 0;
    border-radius: 0;
  }
  
  .footer {
    margin-top: 0;
  }
}

/* ==================== LOGO ADAPTATIVO ==================== */
.header__logo-img, .footer__logo-img {
    content: url('../assets/logopipertstarfinal.svg');
    transition: all var(--transition-normal);
}

/* Ajustes específicos para el tema oscuro */
[data-theme="dark"] .header__logo-img,
[data-theme="dark"] .footer__logo-img {
    content: url('../assets/logopipertstarfinal-dark.svg');
}

/* Aseguramos que los elementos naranjas mantengan su color */
[data-theme="dark"] .header__logo-img .st0,
[data-theme="dark"] .header__logo-img .st4,
[data-theme="dark"] .header__logo-img .st5,
[data-theme="dark"] .header__logo-img .st6,
[data-theme="dark"] .footer__logo-img .st0,
[data-theme="dark"] .footer__logo-img .st4,
[data-theme="dark"] .footer__logo-img .st5,
[data-theme="dark"] .footer__logo-img .st6 {
    fill: currentColor;
}