/* ===========================================
     VARIABLES CSS
     =========================================== */
:root {
  /* Colores principales */
  --color-primary: #7286d3;
  --color-primary-dark: #1c4d8d;
  --color-primary-darker: #0f2854;
  --color-primary-light: #4988c4;
  --color-primary-lighter: #bde8f5;

  /* Colores secundarios */
  --color-secondary: #7286d3;
  --color-secondary-dark: #8ea7e9;
  --color-secondary-light: #e5e0ff;

  /* Colores neutros - Más claros para mejor contraste */
  --color-dark: #1f2937; /* Gris muy oscuro (no negro puro) */
  --color-gray-dark: #374151; /* Gris oscuro */
  --color-gray: #6b7280; /* Gris medio */
  --color-gray-light: #9ca3af; /* Gris claro */
  --color-gray-lighter: #e5e7eb; /* Gris muy claro */
  --color-light: #f9fafb; /* Casi blanco */
  --color-lighter: #fff2f2; /* Crema muy claro */
  --color-white: #ffffff; /* Blanco puro */

  /* Colores de acento */
  --color-accent: #3c467b;
  --color-accent-light: #6e8cfb;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Degradados */
  --gradient-primary: linear-gradient(
    135deg,
    #7286d3 0%,
    #8ea7e9 100%
  ); /* Purpura a cyan */
  --gradient-hero: linear-gradient(
    135deg,
    #0f2854 0%,
    #1c4d8d 50%,
    #bde8f5 100%
  );
  --gradient-accent: linear-gradient(135deg, #6e8cfb 0%, #3c467b 100%);

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}
/* ===========================================
   RESET BÁSICO
   =========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  /*  Google Fonts */
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ===========================================
     TIPOGRAFÍA GENERAL
     =========================================== */
h1,
h2,
h3,
h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: #1a1a1a;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem; /* 48px */
  margin-bottom: 1.5rem;
  font-weight: 900;
}

h2 {
  font-size: 2.25rem; /* 36px */
  margin-top: 3rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.75rem; /* 28px */
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem; /* 20px */
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

p {
  margin-bottom: 1.25rem;
  /* max-width: 70ch; */
}

strong {
  font-weight: 600;
  color: #000000;
}

em {
  font-style: italic;
}

/* TO TOP BUTTON */
#myBtn {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: var(--color-primary-dark);
  color: var(--color-light);
  cursor: pointer;
  padding: 15px;
  border-radius: var(--radius-md);
  max-width: 4rem;
}

#myBtn:hover {
  background-color: var(--color-secondary-dark);
}

/* ===========================================
     ENLACES
     =========================================== */
a {
  color: #2563eb;
  text-decoration: none;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

a:hover {
  color: #1d4ed8;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

a:active {
  color: #1e40af;
}

/* ===========================================
     LISTAS
     =========================================== */
ul {
  list-style: none;
}

/* ===========================================
     HEADER
     =========================================== */
.header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #e0e0e0;
  padding: 24px 0;
}

.header__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header__brand {
  text-align: center;
  margin-bottom: 24px;
}

.header__name {
  color: #1a1a1a;
  margin-bottom: 8px;
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.header__tagline {
  color: #666666;
  font-size: 0.875rem; /* 14px */
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ===========================================
     NAVEGACIÓN
     =========================================== */
.nav {
  text-align: center;
}

.nav__list {
  display: inline-block;
}

.nav__item {
  display: inline-block;
  margin: 0 16px;
}

.nav__link {
  padding: 8px 12px;
  display: inline-block;
  color: #333333;
  font-weight: 500;
  font-size: 0.9375rem; /* 15px */
  letter-spacing: 0.01em;
}

.nav__link:hover {
  color: #2563eb;
  text-decoration: none;
}

.nav__link--active {
  color: #2563eb;
  font-weight: 600;
}

.lang__btn {
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    sans-serif;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-light);
  cursor: pointer;
}
.lang__btn:hover {
  background: var(--color-lighter);
  cursor: pointer;
}

.lang__btn.is-active {
  background: var(--color-primary);
  color: var(--color-light);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* ===========================================
     MAIN CONTENT
     =========================================== */
.main {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 20px;
}

/* ===========================================
    HERO SECTION
     =========================================== */
.hero {
  padding: 64px 0;
  text-align: center;
  background-color: #f0f4f8;
  margin-bottom: 48px;
}

.hero__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero__title {
  font-size: 3.5rem; /* 56px */
  color: #1a1a1a;
  margin-bottom: 1rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: 1.5rem; /* 24px */
  color: #2563eb;
  margin-bottom: 1.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero__description {
  font-size: 1.125rem; /* 18px */
  color: #666666;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero__actions {
  margin-bottom: 3rem;
}

.hero__stats {
  text-align: center;
}

.stat {
  display: inline-block;
  margin: 0 32px;
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 2.5rem; /* 40px */
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 0.5rem;
  font-family: 'Playfair Display', serif;
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 0.875rem; /* 14px */
  color: #666666;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ===========================================
     BOTONES
     =========================================== */
.button {
  display: inline-block;
  padding: 12px 24px;
  margin: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
}

.button--primary {
  background-color: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

.button--primary:hover {
  /* background-color: var(--color-primary-lighter);
  border-color: #1d4ed8; */
  text-decoration: none;
}

.button--secondary {
  background-color: #ffffff;
  color: #2563eb;
  border-color: #2563eb;
}

.button--secondary:hover {
  background-color: #f0f4ff;
  text-decoration: none;
}

.button--large {
  padding: 16px 32px;
  font-size: 1.125rem;
}

/* ===========================================
     ABOUT SECTION
     =========================================== */
.about {
  padding: 48px 0;
}

.about__container {
  max-width: 800px;
  margin: 0 auto;
}

.about__title {
  text-align: center;
  color: #1a1a1a;
  margin-bottom: 2rem;
}

.about__intro {
  font-size: 1.25rem; /* 20px */
  text-align: center;
  color: #333333;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.about__text {
  color: #666666;
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* ===========================================
     EXPERIENCE SECTION
     =========================================== */

.experience {
  width: 100%;
}

.about__experience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  /* max-width: 800px; */
  margin: 0 auto;
}

.experience__item {
  background: var(--color-white);
  padding: 10px;
  border: 1px solid var(--color-gray-lighter);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.experience__item:hover {
  background: linear-gradient(
    135deg,
    var(--color-white) 0%,
    var(--color-lighter) 100%
  );
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.experience__item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0;
  text-align: center;
}

.experience__item strong {
  margin: 0;
  font-size: 1.125rem;
}

.experience__item span:last-child {
  display: block;
  line-height: 1.5;
}

/* ===========================================
     QUOTE
     =========================================== */
.quote {
  background-color: #f8f9fa;
  padding: 2rem;
  margin: 2.5rem 0;
  border-left: 4px solid #2563eb;
}

.quote__text {
  font-size: 1.25rem; /* 20px */
  font-style: italic;
  color: #333333;
  margin-bottom: 1rem;
  line-height: 1.7;
  font-family: 'Playfair Display', serif;
  font-weight: 400;
}

.quote__author {
  color: #666666;
  font-size: 0.875rem;
  display: block;
  text-align: right;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ===========================================
     VALUES
     =========================================== */
.values {
  margin-top: 3rem;
  background: linear-gradient(135deg, #f9fafb 0%, #ede9fe 100%);
  padding: 2rem;
}

.values__title {
  text-align: center;
  margin-bottom: 2rem;
}

.values__list {
  padding: 0;
}

.values__item {
  padding: 1.25rem;
  margin-bottom: 1rem;
  background-color: #f8f9fa;
  border: 1px solid #e0e0e0;
  line-height: 1.6;
}

.values__item:hover {
  background-color: #f0f4f8;
  border-color: #2563eb;
}

.values__icon {
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

.values__item strong {
  margin-right: 0.5rem;
  font-weight: 600;
  font-size: 1.0625rem;
}

.values__item span {
  color: #666666;
  font-size: 0.9375rem;
}

/* ===========================================
    PROJECTS SECTION
     =========================================== */
.projects {
  padding: 64px 0;
  background-color: #f8f9fa;
}

.projects__container {
  max-width: 1200px;
  margin: 0 auto;
}

.projects__title {
  text-align: center;
  margin-bottom: 1rem;
}

.projects__description {
  text-align: center;
  color: #666666;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.projects__grid {
  padding: 0 20px;
}

/* ===========================================
     PROJECT CARD
     =========================================== */
.project {
  background-color: #ffffff;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid #e0e0e0;
}

.project:hover {
  border-color: #2563eb;
}

.project--featured {
  border: 2px solid #2563eb;
  position: relative;
}

.project__badge {
  background-color: #2563eb;
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.project__title {
  color: #1a1a1a;
  margin-bottom: 1rem;
  font-family: 'Playfair Display', serif;
}

.project__description {
  color: #666666;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.project__subtitle {
  font-size: 1.0625rem;
  color: #333333;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}

.project__learnings {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.project__learnings li {
  color: #666666;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.project__technologies {
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  background-color: #e0f2fe;
  color: #0369a1;
  padding: 0.25rem 0.75rem;
  margin-right: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.project__links {
  text-align: left;
}

.project__link {
  display: inline-block;
  margin-right: 1rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

/* ===========================================
     TECH SECTION
     =========================================== */
.technologies {
  padding: 64px 0;
}

.techs__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  cursor: default;
  justify-items: center;
  align-items: center;
  text-align: center;
}

.tech {
  display: grid;
  align-items: center;
  justify-items: center;
  align-content: center;
  border: 1px solid var(--color-primary-dark);
  border-radius: var(--radius-md);
  width: 10rem;
  height: 10rem;
  margin: 10px;
  transform: scale(1);
  transition: transform 0.3s ease-in-out;
}

.tech:hover {
  transform: scale(1.2);
}

.tech__icon {
  max-width: 5rem;
  justify-content: center;
  align-items: center;
  justify-items: center;
}

.tech__container {
  max-width: 800px;
  margin: 0 auto;
}

.techs__title {
  /* padding: 10px; */
  text-align: center;
  font-size: 2.25rem;
  font-weight: bold;
  margin-bottom: 0;
}

.tech__title {
  /* padding: 10px; */
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0;
}

.tech__description {
  text-align: center;
  color: #666666;
  margin-bottom: 2rem;
  font-size: 1.0625rem;
  font-weight: 400;
}

/* ===========================================
     CONTACT SECTION
     =========================================== */
.contact {
  padding: 64px 0;
  background-color: #f0f4f8;
}

.contact__container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact__title {
  color: var(--color-light);

  margin-bottom: 1rem;
}

.contact__description {
  color: var(--color-light);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.contact__methods {
  margin-bottom: 3rem;
}

.contact__method {
  display: inline-block;
  margin: 0 2rem 2rem;
  text-align: center;
}

.contact__method-title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
  font-weight: 600;
}

.contact__link {
  color: #2563eb;
  font-weight: 500;
  font-size: 0.9375rem;
}

/* ===========================================
     FOOTER 
     =========================================== */
.footer {
  background-color: #1a1a1a;
  color: #ffffff;
  padding: 48px 0;
  text-align: center;
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer__nav {
  margin-bottom: 1.5rem;
}

.footer__link {
  color: #ffffff;
  margin: 0 1rem;
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 400;
}

.footer__link:hover {
  color: #93c5fd;
  text-decoration: none;
}

.footer__copyright {
  color: var(--color-light);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.footer__credits {
  color: var(--color-light);
  font-size: 0.875rem;
  line-height: 1.5;
}

body {
  color: var(--color-gray-dark);
  background-color: var(--color-white);
}

h1,
h2,
h3,
h4 {
  color: var(--color-dark);
}

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

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

a:active {
  color: var(--color-primary-darker);
}

/* ===========================================
     HERO CON DEGRADADOS 
     =========================================== */
.hero {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.hero__title {
  color: var(--color-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  color: var(--color-white);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.hero__description {
  color: rgba(255, 255, 255, 0.95);
}

.stat__number {
  color: var(--color-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.stat__label {
  color: rgba(255, 255, 255, 0.9);
}

/* ===========================================
     BOTONES CON SOMBRAS
     =========================================== */
.button {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.button:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.button--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
}

.button--primary:hover {
  background-color: var(--color-primary-lighter);
  /* border-color: var(--color-primary-dark); */
}

.button--secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ===========================================
     CARDS CON SOMBRAS
     =========================================== */
.project {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: none;
}

.project:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.project--featured {
  border: 2px solid transparent;
  background-image: linear-gradient(white, white), var(--gradient-primary);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.project__badge {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

/* ===========================================
     TAGS CON COLORES
     =========================================== */
.tag {
  background: linear-gradient(135deg, #ddd6fe 0%, #c4b5fd 100%);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

/* ===========================================
     QUOTE CON ESTILO
     =========================================== */
.quote {
  background: linear-gradient(
    135deg,
    var(--color-light) 0%,
    var(--color-lighter) 100%
  );
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* ===========================================
     VALUES CON COLORES
     =========================================== */
.values__item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-lighter);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.values__item:hover {
  background: linear-gradient(
    135deg,
    var(--color-white) 0%,
    var(--color-lighter) 100%
  );
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ===========================================
     CONTACT SECTION
     =========================================== */
.contact {
  background: linear-gradient(135deg, #6e8cfb 0%, #636ccb 50%, #50589c 100%);
}

.contact__method {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact__method:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

/* ===========================================
     HEADER CON SOMBRA
     =========================================== */
.header {
  background: var(--color-white);
  border-bottom: none;
  box-shadow: var(--shadow-md);
}

.nav__link {
  color: var(--color-gray-dark);
  border-radius: var(--radius-md);
}

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

.nav__link--active {
  color: var(--color-white);
  background: var(--gradient-primary);
  padding: 8px 16px;
  box-shadow: var(--shadow-sm);
}

/* ===========================================
     FOOTER CON DEGRADADO
     =========================================== */
.footer {
  background: #7286d3;
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

/* ===========================================
     SECTIONS CON BORDES REDONDEADOS
     =========================================== */
.about__container,
.projects__container,
.tech__container,
.contact__container {
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.projects {
  background: linear-gradient(135deg, #f9fafb 0%, #ede9fe 100%);
}

/* 
  ╔═══════════════════════════════════════════════════════════════════════════╗
  ║                                                                           ║
  ║  FLEXBOX Y CSS GRID
  ╚═══════════════════════════════════════════════════════════════════════════╝
  */

/* ===========================================
     HEADER CON FLEXBOX
     =========================================== */
.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header__brand {
  text-align: left;
  margin-bottom: 0;
}

.nav {
  text-align: left;
}

.nav__list {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav__item {
  display: block;
  margin: 0;
}

/* ===========================================
     HERO CON FLEXBOX
     =========================================== */
.hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  gap: 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}

/* ===========================================
     ABOUT SECTION CON GRID
     =========================================== */
.about__container {
  display: grid;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.values__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  padding: 0;
}

.values__item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0;
  text-align: center;
}

.values__icon {
  font-size: 2rem;
  margin: 0 auto;
}

.values__item strong {
  display: block;
  margin: 0;
  font-size: 1.125rem;
}

.values__item span:last-child {
  display: block;
  line-height: 1.5;
}

/* ===========================================
     PROJECTS CON GRID
     =========================================== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 0 20px;
}

.project {
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.project__description {
  flex-grow: 1;
}

.project__technologies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  margin-right: 0;
}

.project__links {
  display: flex;
  gap: 1rem;
}

/* ===========================================
     CONTACT CON FLEXBOX 
     =========================================== */
.contact__methods {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.contact__method {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  min-width: 200px;
}

/* ===========================================
     FOOTER CON FLEXBOX
     =========================================== */
.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer__nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0;
}

.footer__link {
  margin: 0;
}

/* ===========================================
    FLEXBOX/GRID
     =========================================== */

.main {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 20px;
}

section {
  margin-bottom: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.quote {
  display: grid;
  gap: 1rem;
}

/* ===========================================
     PROYECTO DESTACADO CON GRID
     =========================================== */
.project--featured {
  grid-column: span 2;
}

.projects__grid:has(.project:nth-child(2):last-child) .project--featured {
  grid-column: span 1;
}

/* ===========================================
     OPTIMIZACIONES
     =========================================== */

h2 {
  margin-top: 0;
}

.about__intro,
.about__text {
  margin-bottom: 0;
  margin-left: auto;
  margin-right: auto;
  max-width: 70ch;
}

.hero {
  min-height: 600px;
  display: flex;
  align-items: center;
  margin-bottom: 0;
}

header.header-sticky {
  position: fixed;
  margin: 0 auto;
  text-align: center;
  width: 100%;
  background-color: var(--color-white);
  z-index: 2000;
  transition: 0.5s ease-in-out 0.5s;
  /* align-items: center; */
}

.header__container,
.hero__container,
.about__container,
.projects__container,
.tech__container,
.contact__container,
.footer__container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/*                                                                       
  RESPONSIVE DESIGN                             
  Media Queries, Mobile-First, Diseño Fluido                            
  */

/* ===========================================
     MEDIA QUERIES
     =========================================== */

/* ===========================================
     TABLET (768px)
     =========================================== */
@media (max-width: 768px) {
  .header__container {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .header__brand {
    text-align: center;
  }

  .nav__list {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__title {
    font-size: 2.5rem; /* 40px */
  }

  .hero__subtitle {
    font-size: 1.25rem; /* 20px */
  }

  .hero__stats {
    gap: 2rem;
  }

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

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

  .project--featured {
    grid-column: span 1;
  }

  .contact__methods {
    flex-direction: column;
    align-items: center;
  }

  h1 {
    font-size: 2.5rem; /* 40px */
  }

  h2 {
    font-size: 2rem; /* 32px */
  }

  h3 {
    font-size: 1.5rem; /* 24px */
  }
}

/* ===========================================
     MÓVIL (480px)
     =========================================== */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .header {
    padding: 5px 0 0 0;
  }

  .header__container {
    gap: 0;
    padding: 0;
  }

  .header-sticky {
    max-width: 430px;
  }

  section {
    padding: 1rem 0;
  }

  /* HEADER MÓVIL */
  .header__name {
    font-size: 1.75rem; /* 28px */
    margin-bottom: 0;
  }

  .header__tagline {
    font-size: 0.75rem; /* 12px */
    margin-bottom: 0;
  }

  .nav__list {
    gap: 0.5rem;
  }

  .nav__link {
    font-size: 0.875rem; /* 14px */
    padding: 6px;
  }

  /* HERO MÓVIL */
  .hero {
    min-height: 500px;
    padding: 48px 0;
  }

  .hero__container {
    gap: 0.7rem;
  }

  .hero__title {
    font-size: 2rem; /* 32px */
    line-height: 1.2;
  }

  .hero__subtitle {
    font-size: 1.125rem; /* 18px */
  }

  .hero__description {
    font-size: 1rem; /* 16px */
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
    margin-bottom: 10px;
  }

  .button {
    width: 100%;
    padding: 14px 20px;
  }

  .hero__stats {
    flex-direction: row;
    gap: 1.5rem;
  }

  .stat__number {
    font-size: 1.5rem; /* 32px */
  }

  .stat__label {
    text-align: center;
  }

  /* ABOUT MÓVIL */
  .about__intro {
    font-size: 1.125rem; /* 18px */
  }

  .about__experience {
    gap: 0.7rem;
  }

  .about__container {
    padding: 1rem;
  }

  .quote {
    padding: 1.5rem;
    margin: 2rem 0;
  }

  .quote__text {
    font-size: 1.125rem; /* 18px */
  }

  /* PROJECTS MÓVIL */

  #myBtn {
    padding: 5px;
    width: 3rem;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  .toTop {
    /* padding: 5px; */
    width: 70%;
  }

  .projects {
    padding: 1rem;
  }

  .projects__grid {
    padding: 0;
    gap: 1.5rem;
  }

  .project {
    padding: 1.2rem;
  }

  .project__title {
    margin-top: 5px;
    font-size: 1.5rem; /* 24px */
  }

  .project__links {
    text-align: center;
  }

  .project__subtitle,
  .project__learnings {
    display: none;
  }

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

  /* VALUES MOVIL  */
  .values {
    background: linear-gradient(135deg, #f9fafb 0%, #ede9fe 100%);
    padding: 2rem;
  }

  /* CONTACT MÓVIL */
  .contact__method {
    width: 100%;
  }

  /* FOOTER MÓVIL */
  .footer__nav {
    flex-direction: column;
    gap: 1rem;
  }

  .footer__link {
    font-size: 0.875rem; /* 14px */
  }

  /* TIPOGRAFÍA MÓVIL */
  h1 {
    font-size: 2rem; /* 32px */
  }

  h2 {
    font-size: 1.75rem; /* 28px */
  }

  h3 {
    font-size: 1.25rem; /* 20px */
  }

  h4 {
    font-size: 1.125rem; /* 18px */
  }

  p {
    margin-bottom: 1rem;
  }

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

  .tech {
    width: 7rem;
    height: 7rem;
  }

  .tech__icon {
    width: 3rem;
  }

  .tech__title {
    font-size: 0.8rem;
  }

  .lang__btn {
    padding: 4px;
    margin: 5px;
    font-size: 1rem;
  }
}

/* ===========================================
     DESKTOP GRANDE (1400px+)
     =========================================== */
@media (min-width: 1400px) {
  .header__container,
  .projects__container,
  .footer__container {
    max-width: 1400px;
  }

  .hero {
    min-height: 700px;
  }

  .hero__title {
    font-size: 4rem; /* 64px */
  }

  .hero__subtitle {
    font-size: 1.75rem; /* 28px */
  }

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

/* ===========================================
     LANDSCAPE
     =========================================== */
@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    min-height: 400px;
  }

  .hero__container {
    min-height: auto;
  }

  section {
    padding: 32px 0;
  }
}

/* ===========================================
     PRINT STYLES
     =========================================== */
@media print {
  .nav,
  .hero__actions,
  .button,
  .project__links,
  .contact__methods,
  .footer__nav {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    background: #f0f0f0;
    color: #000;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  a[href^='http']:after {
    content: ' (' attr(href) ')';
  }

  .project,
  .about__container,
  .tech__container {
    page-break-inside: avoid;
  }
}

/* ===========================================
     PREFERENCIAS DE USUARIO
     =========================================== */

/* Modo oscuro del sistema - DESHABILITADO para mantener paleta clara */
/* @media (prefers-color-scheme: dark) {
      Los colores se mantienen claros para mejor contraste
  } */

/* Reducir movimiento */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .button:hover,
  .project:hover,
  .values__item:hover {
    transform: none;
  }
}

/* ===========================================
     UTILIDADES RESPONSIVE
     =========================================== */

@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .show-mobile {
    display: none !important;
  }
}

.responsive-text {
  font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
  line-height: clamp(1.5, 2vw + 1.2, 1.8);
}

.responsive-padding {
  padding: clamp(1rem, 5vw, 3rem);
}

.fluid-container {
  width: min(90%, 1200px);
  margin: 0 auto;
}

/*       
  EFECTOS Y ANIMACIONES                          
  Transiciones, Animaciones, Transforms, Efectos Hover                   
  */

/* ===========================================
     TRANSICIONES GLOBALES
     =========================================== */

a,
button,
.button,
.nav__link,
.project,
.values__item,
.experience__item,
.contact__method,
.tag {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover,
button:hover,
.button:hover {
  transition-duration: 0.2s;
}

/* ===========================================
     ANIMACIONES KEYFRAMES 
     =========================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes wave {
  0%,
  100% {
    transform: rotate(0deg);
  }
  10% {
    transform: rotate(14deg);
  }
  20% {
    transform: rotate(-8deg);
  }
  30% {
    transform: rotate(14deg);
  }
  40% {
    transform: rotate(-4deg);
  }
  50% {
    transform: rotate(10deg);
  }
  60% {
    transform: rotate(0deg);
  }
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blinkl {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

@keyframes slideInFromRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ===========================================
     HERO ANIMADO
     =========================================== */

.hero__title {
  /* animation: fadeIn 0.8s ease-out; */
  position: relative;
}

.hero__subtitle {
  animation: fadeIn 1s ease-out 0.2s both;
}

.hero__description {
  animation: fadeIn 1.2s ease-out 0.4s both;
}

.hero__actions {
  animation: fadeIn 1.4s ease-out 0.6s both;
}

.hero__stats {
  animation: fadeIn 1.6s ease-out 0.8s both;
}

.hero__title::after {
  content: '|';
  position: absolute;
  right: -10px;
  animation: blinkl 2s step-end infinite;
  color: var(--color-primary);
}

.hero {
  background-size: 200% 200%;
  animation: gradientShift 10s ease infinite;
}

.stat__number {
  animation: pulse 2s ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.stat:nth-child(1) .stat__number {
  --delay: 0s;
}

.stat:nth-child(2) .stat__number {
  --delay: 0.2s;
}

.stat:nth-child(3) .stat__number {
  --delay: 0.4s;
}

/* ===========================================
     NAVEGACIÓN ANIMADA
     =========================================== */

.header {
  animation: slideInFromTop 0.5s ease-out;
}

@keyframes slideInFromTop {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.nav__link {
  position: relative;
  overflow: hidden;
}

.nav__link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav__link:hover::before {
  width: 100%;
}

.nav__link--active {
  animation: pulse 2s ease-in-out infinite;
}

/* ===========================================
     BOTONES ANIMADOS
     =========================================== */

.button {
  position: relative;
  overflow: hidden;
}

.button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

.button:active::after {
  width: 300px;
  height: 300px;
}

.button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.button:active {
  transform: translateY(-1px) scale(0.98);
}

/* ===========================================
    CARDS ANIMADAS
     =========================================== */

.project {
  animation: fadeIn 0.6s ease-out both;
  animation-delay: calc(var(--index, 0) * 0.1s);
  transform-origin: center bottom;
}

.project:nth-child(1) {
  --index: 1;
}
.project:nth-child(2) {
  --index: 2;
}
.project:nth-child(3) {
  --index: 3;
}

.project:hover {
  transform: translateY(-8px) rotateX(2deg);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.1),
    0 10px 10px rgba(0, 0, 0, 0.1);
}

.project__badge {
  animation: float 3s ease-in-out infinite;
}

.tag {
  transform: scale(1);
}

.tag:hover {
  transform: scale(1.1) rotate(2deg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ===========================================
     VALORES ANIMADOS
     =========================================== */

.values__icon {
  display: inline-block;
  animation: wave 2s ease-in-out infinite;
  animation-delay: calc(var(--index, 0) * 0.5s);
}

.values__item:nth-child(1) .values__icon {
  --index: 0;
}
.values__item:nth-child(2) .values__icon {
  --index: 1;
}
.values__item:nth-child(3) .values__icon {
  --index: 2;
}
.values__item:nth-child(4) .values__icon {
  --index: 3;
}

.values__item:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow:
    0 10px 30px rgba(37, 99, 235, 0.1),
    0 0 0 1px rgba(37, 99, 235, 0.1);
}

/* ===========================================
     TECHS ANIMADAS
     =========================================== */

@keyframes fillProgress {
  from {
    width: 0;
  }
}

/* .skill__progress {
  animation: fillProgress 1.5s ease-out forwards;
  animation-delay: calc(var(--index, 0) * 0.2s);
  position: relative;
  overflow: hidden;
}

.skill__progress--html {
  --index: 0;
  animation-duration: 1.5s;
}

.skill__progress--css {
  --index: 1;
  animation-duration: 1.3s;
}

.skill__progress--js {
  --index: 2;
  animation-duration: 0.8s;
}

.skill__progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
  animation-delay: 2s;
} */

@keyframes shimmer {
  to {
    left: 100%;
  }
}

/* ===========================================
     QUOTE ANIMADA
     =========================================== */

.quote {
  animation: slideInFromLeft 0.8s ease-out;
  position: relative;
}

.quote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.2;
  animation: float 3s ease-in-out infinite;
}

/* ===========================================
     CONTACT ANIMADO
     =========================================== */

.contact__method {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.contact__method:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(37, 99, 235, 0.1);
}

.contact__method-title {
  animation: bounce 2s ease-in-out infinite;
  animation-delay: calc(var(--index, 0) * 0.2s);
}

.contact__method:nth-child(1) .contact__method-title {
  --index: 0;
}
.contact__method:nth-child(2) .contact__method-title {
  --index: 1;
}
.contact__method:nth-child(3) .contact__method-title {
  --index: 2;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* ===========================================
     FOOTER ANIMADO
     =========================================== */

.footer {
  animation: slideInFromBottom 0.8s ease-out;
}

@keyframes slideInFromBottom {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.footer__link {
  position: relative;
  transition: all 0.3s ease;
}

.footer__link:hover {
  transform: translateY(-2px);
  color: var(--color-primary-light);
}

/* ===========================================
     SCROLL ANIMATIONS
     =========================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
     LOADING ANIMATION
     =========================================== */

/* Animación de carga */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===========================================
     FOCUS STATES ANIMADOS
     =========================================== */

a:focus,
button:focus,
.button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
  animation: focusPulse 1.5s infinite;
}

@keyframes focusPulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.1);
  }
}

/* ===========================================
     MICRO-INTERACCIONES
     =========================================== */

p:hover {
  transition: color 0.3s ease;
  color: var(--color-gray-dark);
}

a:active {
  transform: scale(0.98);
}

img {
  transition: transform 0.3s ease;
}

img:hover {
  transform: scale(1.05);
}

/* ===========================================
     PERFORMANCE OPTIMIZATIONS
     =========================================== */

/* Usar will-change para optimizar animaciones */
.button,
.project,
.values__item {
  will-change: transform;
}

/* Eliminar will-change después del hover */
.button:not(:hover),
.project:not(:hover),
.values__item:not(:hover) {
  will-change: auto;
}

/* GPU acceleration para animaciones suaves */
.hero,
.project,
.button {
  transform: translateZ(0);
  backface-visibility: hidden;
}