/* =================================
   ALAN SALVA PORTFOLIO - STYLES
   ================================= */

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

/* =================================
   CSS CUSTOM PROPERTIES
   ================================= */
:root {
  /* Colors */
  --color-primary: #FF6B00;
  --color-primary-hover: #FF8C42;
  --color-primary-light: rgba(255, 107, 0, 0.1);
  --color-bg-dark: #1a1a1a;
  --color-bg-section: #2d2d2d;
  --color-text-primary: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.8);
  --color-border: rgba(255, 255, 255, 0.2);
  --color-border-hover: rgba(255, 255, 255, 0.3);
  
  /* Layout */
  --max-width: 1200px;
  --container-padding: 1rem;
  --section-padding: 80px 0;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Typography */
  --font-family: "Poppins", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.4);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-header: 1001;  
  --z-modal: 1002;
  --z-tooltip: 1003;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

ul, ol {
  list-style: none;
}

/* =================================
   ACCESSIBILITY
   ================================= */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  border-radius: 4px;
  text-decoration: none;
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =================================
   NAVIGATION
   ================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(
    rgba(26, 26, 26, 0.95), 
    rgba(45, 45, 45, 0.95)
  ), url('../assets/img/banner.jpg');
  background-size: cover;
  background-position: center;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-header);
}

.nav__content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Brand */
.navbar__brand {
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: white;
  transition: transform var(--transition-base);
}

.brand-link:hover {
  transform: scale(1.1);
}

/* Navigation Menu */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-icon {
  font-size: var(--font-size-sm);
  transition: transform var(--transition-base);
}

.nav-link:hover .nav-icon {
  transform: scale(1.2);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  transition: color var(--transition-base);
}

.mobile-menu-btn:hover {
  color: var(--color-primary);
}

.mobile-menu-input {
  display: none;
}

/* Language Switcher */
.language-switcher {
  position: relative;
  margin-right: 1rem;
}

.lang-btn-main {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--text-white);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 70px;
  justify-content: space-between;
}

.lang-btn-main:hover {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
  background: rgba(255, 107, 0, 0.1);
}

.lang-btn-main.active {
  background: var(--primary-orange);
  border-color: var(--primary-orange);
  color: white;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-dark);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  margin-top: 5px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1002;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.language-switcher:hover .lang-dropdown,
.language-switcher.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-white);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  transition: var(--transition);
  text-align: left;
}

.lang-option:hover {
  background: var(--primary-orange);
  color: white;
}

.lang-option:first-child {
  border-radius: 6px 6px 0 0;
}

.lang-option:last-child {
  border-radius: 0 0 6px 6px;
}

.lang-btn-main i {
  transition: transform 0.3s ease;
}

.language-switcher:hover .lang-btn-main i,
.language-switcher.active .lang-btn-main i {
  transform: rotate(180deg);
}

.checkbox,
nav input {
  display: none;
}

/* Hero Section */
.section {
  padding: 120px 0 60px;
  background: linear-gradient(
    135deg,
    rgba(24, 24, 24, 0.85) 0%, 
    rgba(36, 36, 36, 0.9) 50%,
    rgba(57, 57, 57, 0.85) 100%
  ), url('../assets/img/banner.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
}

/* Overlay sutil para mejorar legibilidad */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(24, 24, 24, 0.3);
  z-index: 1;
}

.section__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.content {
  animation: slideInLeft 0.8s ease-out;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--primary-orange);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.title span {
  color: var(--primary-orange);
}

.description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

.image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.image img {
  width: 100%;
  max-width: 350px;
  height: auto;
  border-radius: 50%;
  border: 4px solid var(--primary-orange);
  box-shadow: 0 0 30px rgba(168, 168, 168, 0.3);
  animation: float 4s ease-in-out infinite;
  object-fit: cover;
  aspect-ratio: 1;
  object-position: center -10px;
}

/* Tool boox */

.tittle-toolbox {
  text-align: left;
  font-size: 2.5rem;
  color: gradient(90deg, #ff6b00, #ffffff);
  margin-bottom: 1rem;
  margin-left: 3rem;
}

.tool-box {
  padding: 2rem 0;
  background: #f5f5f5;
  overflow: hidden;
}

/* Carrusel infinito mejorado */
.carousel-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 2rem 0;
  background: var(--section-bg);
}

.carousel-content {
  display: flex;
  animation: infiniteScroll var(--carousel-duration, 30s) linear infinite;
  will-change: transform;
  gap: 6rem;
  width: max-content;
  align-items: center;
}

.carousel-item {
  flex-shrink: 0;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  height: 80px;
  border-radius: 12px;
  background: rgba(168, 168, 168, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.carousel-item i {
  font-size: 3.5rem;
  color: var(--color-light);
  transition: all 0.3s ease;
}

.carousel-item img {
  height: 3.5rem;
  width: auto;
  filter: brightness(0.8);
  transition: all 0.3s ease;
}

/* Animación infinita mejorada */
@keyframes infiniteScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-1 * var(--single-set-width, 1200px)));
  }
}

/* Efectos de hover mejorados */
.carousel-item:hover {
  transform: scale(1.15);
  background: rgba(168, 168, 168, 0.2);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.carousel-item:hover i {
  color: var(--text-white);
  transform: rotate(5deg);
}

.carousel-item:hover img {
  filter: brightness(1.2);
  transform: rotate(-5deg);
}

/* Pausar animación en hover del contenedor */
.carousel-container:hover .carousel-content {
  animation-play-state: paused;
}

/* Responsive para carrusel */
@media (max-width: 768px) {
  .carousel-content {
    gap: 4rem;
  }
  
  .carousel-item {
    min-width: 60px;
    height: 60px;
    padding: 0.5rem;
  }
  
  .carousel-item i {
    font-size: 2.5rem;
  }
  
  .carousel-item img {
    height: 2.5rem;
  }
}

/* Projects Section */
.proyectos-section {
  padding: 80px 0;
  background: var(--section-bg);
}

.proyecto-link {
  text-decoration: none;
  color: var(--primary-orange);
  font-size: 1.2rem;
  font-weight: 600;
  transition: var(--transition);
  
}

.proyectos-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.mis_proyectos {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-orange);
  margin-bottom: 3rem;
}

#proyectos-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.proyecto {
  background: linear-gradient(
    135deg,
    rgba(57, 57, 57, 0.9) 0%,
    rgba(36, 36, 36, 0.95) 100%
  );
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
  border: 2px solid rgba(168, 168, 168, 0.2);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.proyecto:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.action__btns {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.hire__me {
  background: var(--primary-orange);
  color: var(--text-white);
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 20px;
}

.hire__me:hover {
  background: var(--hover-orange);
  transform: translateY(-2px);
}

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

@keyframes slideInLeft {
  from {
    transform: translateX(-100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav__content {
    position: relative;
  }
  
  .language-switcher {
    position: absolute;
    top: 50%;
    right: 60px;
    transform: translateY(-50%);
    z-index: 1001;
  }
  
  .lang-btn-main {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    min-width: 60px;
  }
  
  .lang-option {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .section__container {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 6rem 1rem 2rem;
  }

  .image {
    padding: 0.5rem;
  }

  .image img {
    max-width: 250px;
  }

  .title {
    font-size: 2.5rem;
  }

  ul {
    position: fixed;
    top: 70px;
    left: -100%;
    background: var(--bg-dark);
    width: 100%;
    height: calc(100vh - 70px);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    transition: var(--transition);
  }

  nav #check:checked ~ ul {
    left: 0;
  }

  .checkbox {
    display: block;
  }
}

@media (max-width: 480px) {
  .language-switcher {
    right: 50px;
  }
  
  .lang-btn-main {
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
    min-width: 50px;
  }
  
  .lang-option {
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
  }
  
  .title {
    font-size: 2rem;
  }

  .description {
    font-size: 1rem;
  }

  #proyectos-list {
    grid-template-columns: 1fr;
  }
}

#icon {
  font-size: 1rem;
  color: var(--text-white); 
  transition: var(--transition); 
  margin: 0.5rem; 
}

#icon:hover {
  color: var(--text-white);
  transform: scale(1.2);
}


/* Estilos del footer */
.footer {
    background-color: #454545;
    backdrop-filter: none;
    border-radius: 0;
    color: var(--color-text);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 40px 20px;
    margin-top: 50px;
    width: 100%;
    height: auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
    will-change: opacity, transform;
}

.footer a {
    text-decoration: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    width: 100%;
}

.footer-info {
    color: #ffffff;
    flex: 1;
    min-width: 300px;
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    width: 100%;
}

.social-icon {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s, background-color 0.3s;
    color: #FF6B00;
}

.social-icon:hover {
    background-color: var(--color-primary);
    transform: translateY(-5px);
}

.social-icon i {
    color: var(--color-primary);
    font-size: 30px;
}

.social-icon:hover i {
    color: white;
}

.footer-bottom {
    text-align: center;
    color: #ffffff;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

p.p-footer {
    text-align: center;
    font-size: 1.1rem;
    color: #ffffff;
    text-align: center;
    margin: 2rem;
}

/* Designed By */ 
.button {
    position: relative;
    text-decoration: none;
    color: #272727;
    background: linear-gradient(45deg, #0ce39a, #69007f, #fc0987);
    padding: 14px 25px;
    border-radius: 10px;
    font-size: 1.25em;
    cursor: pointer;
  }
  
  .button span {
    position: relative;
    z-index: 1;
  }
  
  .button::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: #272727;
    border-radius: 9px;
    transition: 0.5s;
  }
  
  .button:hover::before {
    opacity: 0.7;
  }
  
  .button::after {
    content: "";
    position: absolute;
    inset: 0px;
    background: linear-gradient(45deg, #0ce39a, #69007f, #fc0987);
    border-radius: 9px;
    transition: 0.5s;
    opacity: 0;
    filter: blur(20px);
  }
  
  .button:hover:after {
    opacity: 1;
  }

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