:root {
  --color-bg-principal:  #0F1117;
  --color-bg-cards:      #1A1D27;
  --color-acento:        #6C63FF;
  --color-acento-hover:  #857DFF;
  --color-texto-blanco:  #FFFFFF;
  --color-texto-gris:    #A0AEC0;
  --color-tag-verde:     #48BB78;

  --fuente-titulo: 'Space Grotesk', sans-serif;
  --fuente-cuerpo: 'Inter', sans-serif;

  --radio-card:   12px;
  --radio-boton:   8px;
  --radio-tag:    20px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  font-family: var(--fuente-cuerpo);
  background-color: var(--color-bg-principal);
  color: var(--color-texto-blanco);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section__title {
  font-family: var(--fuente-titulo);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-texto-blanco);
  text-align: center;
  margin-bottom: 48px;
}

section,
.hero {
  min-height: 100vh;
  width: 100%;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radio-boton);
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.3s ease,
              border-color 0.3s ease,
              transform 0.3s ease;
}

.btn--primary {
  background-color: var(--color-acento);
  color: var(--color-texto-blanco);
  border-color: var(--color-acento);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-acento);
  border-color: var(--color-acento);
}

.btn--outline:hover {
  background-color: var(--color-acento);
  color: var(--color-texto-blanco);
  transform: translateY(-2px);
}

.btn--small {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
  text-align: center;
}

.tag {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-bg-cards);
  color: var(--color-tag-verde);
  border-radius: var(--radio-tag);
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 130px;
  text-align: center;
}

.tag--small {
  padding: 4px 10px;
  font-size: 0.7rem;
  color: var(--color-acento);
  border: 1px solid var(--color-acento);
  background-color: transparent;
  min-width: unset;
  white-space: nowrap;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 1000;
  background-color: var(--color-bg-cards);
  display: flex;
  align-items: center;
}

.navbar__container {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--fuente-titulo);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-acento);
}

.navbar__links {
  display: flex;
  gap: 48px;
}

.navbar__links a {
  font-size: 1rem;
  color: var(--color-texto-gris);
  transition: color 0.3s ease;
}

.navbar__links a:hover {
  color: var(--color-acento);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-texto-blanco);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hero {
  background-color: var(--color-bg-principal);
  padding: 70px 80px 0;
  gap: 80px;
}

.hero__content {
  max-width: 600px;
}

.hero__title {
  font-family: var(--fuente-titulo);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-texto-blanco);
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-family: var(--fuente-titulo);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-acento);
  margin-bottom: 24px;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--color-texto-gris);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero__buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero__avatar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__avatar-circle {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  border: 2px solid var(--color-acento);
  overflow: hidden;
  flex-shrink: 0;
}

.hero__avatar-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.sobre-mi {
  background-color: var(--color-bg-cards);
}

.sobre-mi .container {
  align-items: center;
}

.sobre-mi__text {
  max-width: 700px;
  margin: 0 auto 48px;
  font-size: 1.125rem;
  color: var(--color-texto-gris);
  text-align: center;
  line-height: 1.8;
}

.sobre-mi__stats {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-card {
  min-width: 200px;
  padding: 32px 48px;
  background-color: var(--color-bg-principal);
  border-radius: var(--radio-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stat-card__number {
  font-family: var(--fuente-titulo);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-acento);
}

.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-texto-gris);
  text-align: center;
}

.habilidades {
  background-color: var(--color-bg-principal);
}

.habilidades .container {
  align-items: center;
}

.habilidades__grid {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.habilidades__grupo {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 160px;
}

.habilidades__categoria {
  font-family: var(--fuente-titulo);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-acento);
  margin-bottom: 8px;
}

.habilidades__tags {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.proyectos {
  background-color: var(--color-bg-cards);
}

.proyectos .container {
  align-items: center;
}

.proyectos__grid {
  display: flex;
  flex-direction: row;
  gap: 32px;
  justify-content: center;
  align-items: stretch;
  flex-wrap: nowrap;
}

.proyecto-card {
  width: 380px;
  background-color: var(--color-bg-principal);
  border-radius: var(--radio-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease,
              box-shadow 0.3s ease;
}

.proyecto-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(108, 99, 255, 0.2);
}

.proyecto-card__imagen {
  width: 100%;
  height: 180px;
  background-color: rgba(108, 99, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.proyecto-card__imagen img {
  width: 150px;
  height: 150px;
  object-fit: contain;
}

.proyecto-card__body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  flex: 1;
}

.proyecto-card__titulo {
  font-family: var(--fuente-titulo);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-texto-blanco);
}

.proyecto-card__desc {
  font-size: 0.875rem;
  color: var(--color-texto-gris);
  line-height: 1.6;
}

.proyecto-card__tags {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 6px;
}

.proyecto-card__botones {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.contacto {
  background-color: var(--color-bg-principal);
}

.contacto .container {
  align-items: center;
}

.contacto__subtitulo {
  font-size: 1.25rem;
  color: var(--color-texto-gris);
  text-align: center;
  margin-bottom: 40px;
}

.contacto__redes {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.red-social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.red-social__icono {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-bg-cards);
  border: 1px solid var(--color-acento);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-acento);
  transition: background-color 0.3s ease,
              color 0.3s ease,
              transform 0.3s ease;
}

.red-social__icono:hover {
  background-color: var(--color-acento);
  color: var(--color-texto-blanco);
  transform: translateY(-3px);
}

.red-social__nombre {
  font-size: 0.875rem;
  color: var(--color-texto-gris);
}

.contacto__form {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 14px 18px;
  background-color: var(--color-bg-cards);
  border: 1px solid var(--color-texto-gris);
  border-radius: var(--radio-boton);
  color: var(--color-texto-blanco);
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-acento);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-texto-gris);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.footer {
  height: 80px;
  background-color: var(--color-bg-cards);
  scroll-snap-align: start;
  display: flex;
  align-items: center;
}

.footer__container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-texto-gris);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-acento);
  transition: color 0.3s ease;
}

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

@media (max-width: 768px) {

  .navbar__container {
    padding: 0 24px;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-cards);
    flex-direction: column;
    padding: 24px;
    gap: 24px;
  }

  .navbar__links.active {
    display: flex;
  }

  .hero {
    flex-direction: column-reverse;
    padding: 100px 24px 40px;
    text-align: center;
    gap: 32px;
  }

  .hero__title      { font-size: 2.5rem; }
  .hero__subtitle   { font-size: 1.5rem; }
  .hero__description { font-size: 1rem; }

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

  .hero__buttons .btn {
    width: 300px;
    text-align: center;
  }

  .hero__avatar-circle {
    width: 200px;
    height: 200px;
  }

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

  .stat-card {
    width: 340px;
  }

  .habilidades__grid {
    flex-direction: column;
    align-items: stretch;
    gap: 40px;
    padding: 0 24px;
    width: 100%;
  }

  .habilidades__grupo {
    width: 100%;
  }

  .habilidades__tags {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }

  .habilidades__tags .tag {
    width: calc(50% - 6px);
    text-align: center;
  }

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

  .proyecto-card {
    width: 340px;
  }

  .contacto__form   { padding: 0 24px; }
  .contacto__redes  { gap: 32px; }

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

}