/*
==========================================================
  PORTFOLIO CSS — DARK CYBER MODE
  Fusión completa: código base original + mejoras dark
  0 - 600px:      Phone
  600 - 900px:    Tablet portrait
  900 - 1200px:   Tablet landscape
  [1200 - 1800]:  Estilos normales
  1800px +:       Big desktop
  Dentro de media queries: 1em = 16px siempre
  $breakpoint choices: phone | tab-port | tab-land | big-desktop
==========================================================
*/

/* ===========================
   RESET & BASE
   =========================== */
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
  font-family: inherit;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}
  @media only screen and (max-width: 75em) {
    html { font-size: 59%; }
  }
  @media only screen and (max-width: 56.25em) {
    html { font-size: 56%; }
  }
  @media only screen and (min-width: 112.5em) {
    html { font-size: 65%; }
  }

body {
  box-sizing: border-box;
  position: relative;
  line-height: 1.5;
  font-family: 'Source Sans Pro', sans-serif;
  overflow-x: hidden;
  overflow-y: scroll;
  background-color: #0a0a0a;
  color: #f0f0f0;
}

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

li { list-style: none; }

input:focus,
button:focus,
a:focus,
textarea:focus {
  outline: none;
}

button {
  border: none;
  cursor: pointer;
}

textarea { resize: none; }


/* ===========================
   TIPOGRAFÍA
   =========================== */
.heading-primary {
  font-size: 6rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  color: #ffffff;
}
  @media only screen and (max-width: 37.5em) {
    .heading-primary { font-size: 4.5rem; }
  }

.heading-sec__mb-bg {
  margin-bottom: 11rem;
}
  @media only screen and (max-width: 56.25em) {
    .heading-sec__mb-bg { margin-bottom: 8rem; }
  }

.heading-sec__mb-med {
  margin-bottom: 9rem;
}
  @media only screen and (max-width: 56.25em) {
    .heading-sec__mb-med { margin-bottom: 8rem; }
  }

.heading-sec__main {
  display: block;
  font-size: 4rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  color: #ffffff;
}
  .heading-sec__main--lt {
    color: #fff;
  }
  .heading-sec__main--lt::after {
    content: '';
    background: #00ffcc !important;
  }
  .heading-sec__main::after {
    content: '';
    position: absolute;
    top: calc(100% + 1.5rem);
    height: 5px;
    width: 3rem;
    background: #00ffcc;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
  }
  @media only screen and (max-width: 37.5em) {
    .heading-sec__main::after { top: calc(100% + 1.2rem); }
  }

.heading-sec__sub {
  display: block;
  text-align: center;
  color: #aaaaaa;
  font-size: 2rem;
  font-weight: 500;
  max-width: 80rem;
  margin: auto;
  line-height: 1.6;
}
  @media only screen and (max-width: 37.5em) {
    .heading-sec__sub { font-size: 1.8rem; }
  }
  .heading-sec__sub--lt {
    color: #aaaaaa;
  }

.heading-sm {
  font-size: 2.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #ffffff;
}


/* ===========================
   LAYOUT UTILITIES
   =========================== */
.main-container {
  max-width: 120rem;
  margin: auto;
  width: 92%;
}

.sec-pad {
  padding: 12rem 0;
}
  @media only screen and (max-width: 56.25em) {
    .sec-pad { padding: 8rem 0; }
  }

.d-none { display: none; }

.text-primary {
  color: #cccccc;
  font-size: 2.2rem;
  text-align: center;
  width: 100%;
  line-height: 1.6;
}
  @media only screen and (max-width: 37.5em) {
    .text-primary { font-size: 2rem; }
  }


/* ===========================
   BOTONES
   =========================== */
.btn {
  background: transparent;
  color: #00ffcc;
  border: 2px solid #00ffcc;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  font-weight: 700;
  border-radius: 5px;
  box-shadow: 0 0 15px rgba(0, 255, 204, 0.2);
  transition: all .3s ease;
}
  .btn:hover {
    transform: translateY(-3px);
    background: #00ffcc;
    color: #000;
    box-shadow: 0 0 25px rgba(0, 255, 204, 0.6);
  }
  .btn--bg {
    padding: 1.5rem 8rem;
    font-size: 2rem;
  }
  .btn--med {
    padding: 1.5rem 5rem;
    font-size: 1.6rem;
  }
  .btn--theme {
    background: transparent;
    color: #00ffcc;
  }
  .btn--theme-inv {
    color: #00ffcc;
    background: transparent;
    border: 2px solid #00ffcc;
    box-shadow: none;
    padding: calc(1.5rem - 2px) calc(5rem - 2px);
  }
  .btn--theme-inv:hover {
    background: #00ffcc;
    color: #000;
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.5);
  }


/* ===========================
   HERO PRINCIPAL
   =========================== */
.home-hero {
  color: #fff;
  background: linear-gradient(
      to right,
      rgba(10, 10, 10, 0.9),
      rgba(10, 10, 10, 0.9)
    ),
    url(../../assets/svg/common-bg.svg);
  background-position: center;
  background-size: cover;
  height: 100vh;
  min-height: 80rem;
  max-height: 120rem;
  position: relative;
}
  @media only screen and (max-width: 37.5em) {
    .home-hero {
      height: unset;
      min-height: unset;
    }
  }
  .home-hero__socials {
    position: absolute;
    top: 50%;
    border: 2px solid #333;
    border-left: none;
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-50%);
  }
    @media only screen and (max-width: 56.25em) {
      .home-hero__socials { display: none; }
    }
  .home-hero__mouse-scroll-cont {
    position: absolute;
    bottom: 3%;
    left: 50%;
    transform: translateX(-50%);
  }
    @media only screen and (max-width: 37.5em) {
      .home-hero__mouse-scroll-cont { display: none; }
    }
  .home-hero__social {
    width: 5rem;
  }
  .home-hero__social-icon-link {
    width: 100%;
    display: block;
    padding: 1.2rem;
    border-bottom: 2px solid #333;
    transition: all .3s;
  }
    .home-hero__social-icon-link:hover {
      background: rgba(0, 255, 204, 0.2);
    }
    .home-hero__social-icon-link--bd-none {
      border-bottom: 0;
    }
  .home-hero__social-icon {
    width: 100%;
    /* Sin filter: los PNG/SVG conservan su color original */
  }
  .home-hero__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90rem;
    width: 92%;
  }
    @media only screen and (max-width: 37.5em) {
      .home-hero__content {
        padding: 19rem 0 13rem 0;
        margin: auto;
        position: static;
        transform: translate(0, 0);
      }
    }
  .home-hero__info {
    margin: 3rem auto 0 auto;
    max-width: 80rem;
  }
  .home-hero__cta {
    margin-top: 5rem;
    text-align: center;
  }


/* ===========================
   SOBRE MÍ
   =========================== */
.about {
  background: #111111;
}
  .about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 10rem;
  }
    @media only screen and (max-width: 56.25em) {
      .about__content {
        grid-template-columns: 1fr;
        grid-gap: 8rem;
      }
    }
    .about__content-title {
      font-weight: 700;
      font-size: 2.8rem;
      margin-bottom: 3rem;
      color: #ffffff;
    }
      @media only screen and (max-width: 37.5em) {
        .about__content-title { font-size: 2.4rem; }
      }
    .about__content-details-para {
      font-size: 1.8rem;
      color: #bbbbbb;
      max-width: 60rem;
      line-height: 1.7;
      margin-bottom: 1rem;
    }
      .about__content-details-para--hl {
        font-weight: 700;
        margin: 0 3px;
        color: #00ffcc;
      }
      .about__content-details-para strong {
        color: #00ffcc;
      }
      .about__content-details-para:last-child {
        margin-bottom: 4rem;
      }


/* ===========================
   PROYECTOS
   =========================== */
.projects {
  background: #0a0a0a;
}

.projects__row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-gap: 5rem;
  margin-bottom: 11rem;
}
  @media only screen and (max-width: 56.25em) {
    .projects__row {
      grid-template-columns: 1fr;
      grid-gap: 2rem;
      margin-bottom: 8rem;
    }
  }
  @media only screen and (max-width: 56.25em) {
    .projects__row { text-align: center; }
  }
  .projects__row:last-child {
    margin-bottom: 0;
  }
  .projects__row-img-cont {
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid #333;
  }
  .projects__row-img {
    width: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .projects__row-img-cont:hover .projects__row-img {
    transform: scale(1.05);
  }
  .projects__row-content {
    padding: 2rem 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: flex-start;
  }
    @media only screen and (max-width: 56.25em) {
      .projects__row-content { align-items: center; }
    }
    .projects__row-content-title {
      font-weight: 700;
      font-size: 2.8rem;
      margin-bottom: 2rem;
      color: #ffffff;
    }
      @media only screen and (max-width: 37.5em) {
        .projects__row-content-title { font-size: 2.4rem; }
      }
    .projects__row-content-desc {
      font-size: 1.8rem;
      color: #bbbbbb;
      max-width: 60rem;
      line-height: 1.7;
      margin-bottom: 3rem;
    }
      @media only screen and (max-width: 37.5em) {
        .projects__row-content-desc { font-size: 1.7rem; }
      }


/* ===========================
   CONTACTO
   =========================== */
.contact {
  background: linear-gradient(
      to right,
      rgba(10, 10, 10, 0.95),
      rgba(10, 10, 10, 0.95)
    ),
    url(../../assets/svg/common-bg.svg);
  background-size: cover;
  background-position: center;
}
  .contact__form-container {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    background: #151515;
    border: 1px solid #333;
    padding: 4rem;
    margin-top: 6rem;
    max-width: 80rem;
    text-align: right;
    width: 95%;
    border-radius: 5px;
    margin: 5rem auto 0 auto;
  }
    @media only screen and (max-width: 37.5em) {
      .contact__form-container { padding: 3rem; }
    }
  .contact__form-field {
    margin-bottom: 4rem;
  }
    @media only screen and (max-width: 37.5em) {
      .contact__form-field { margin-bottom: 3rem; }
    }
  .contact__form-label {
    color: #aaaaaa;
    font-size: 1.4rem;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
    text-align: left;
  }
  .contact__form-input {
    color: #ffffff;
    padding: 2rem;
    width: 100%;
    border: 1px solid #444;
    font-size: 1.6rem;
    letter-spacing: 0px;
    background: #222;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    /* Placeholders — cross-browser */
  }
    .contact__form-input:focus {
      border-color: #00ffcc;
      box-shadow: 0 0 8px rgba(0, 255, 204, 0.3);
    }
    .contact__form-input::placeholder {
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
    .contact__form-input::-webkit-input-placeholder {
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
    .contact__form-input:-ms-input-placeholder {
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
    .contact__form-input::-ms-input-placeholder {
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
    .contact__form-input:-moz-placeholder {
      opacity: 1;
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
    .contact__form-input::-moz-placeholder {
      opacity: 1;
      color: #666;
      font-weight: 600;
      font-size: 1.6rem;
    }
  .contact__btn {
    width: 30%;
    padding: 2rem 4rem;
    font-size: 1.6rem;
  }
    @media only screen and (max-width: 37.5em) {
      .contact__btn { width: 100%; }
    }


/* ===========================
   PROJECT CASE STUDY HERO
   =========================== */
.project-cs-hero {
  color: #fff;
  background: linear-gradient(
      to right,
      rgba(10, 10, 10, 0.92),
      rgba(10, 10, 10, 0.92)
    ),
    url(../../assets/svg/common-bg.svg);
  background-size: cover;
  background-position: center;
  position: relative;
}
  @media only screen and (max-width: 37.5em) {
    .project-cs-hero {
      height: unset;
      min-height: unset;
    }
  }
  .project-cs-hero__content {
    padding: 25rem 0 17rem 0;
    max-width: 90rem;
    width: 92%;
    margin: auto;
  }
    @media only screen and (max-width: 37.5em) {
      .project-cs-hero__content {
        padding: 19rem 0 13rem 0;
        margin: auto;
        position: static;
        transform: translate(0, 0);
      }
    }
  .project-cs-hero__info {
    margin: 3rem auto 0 auto;
    max-width: 80rem;
  }
  .project-cs-hero__cta {
    margin-top: 5rem;
    text-align: center;
  }


/* ===========================
   PROJECT DETAILS
   =========================== */
.project-details__content {
  padding: 8rem 0;
  max-width: 90rem;
  margin: auto;
}
  .project-details__content-title {
    font-weight: 700;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #ffffff;
  }
    @media only screen and (max-width: 37.5em) {
      .project-details__content-title { font-size: 2.4rem; }
    }

.project-details__showcase-img-cont {
  width: 100%;
  margin-bottom: 6rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #333;
}

.project-details__showcase-img {
  width: 100%;
}

.project-details__content-main {
  width: 100%;
  max-width: 70rem;
  margin: auto;
}

.project-details__desc {
  margin: 0 0 7rem 0;
}
  .project-details__desc-para {
    font-size: 1.8rem;
    line-height: 1.7;
    color: #bbbbbb;
    margin-bottom: 2rem;
  }

.project-details__tools-used {
  margin: 0 0 7rem 0;
}
  .project-details__tools-used-list {
    display: flex;
    flex-wrap: wrap;
  }
  .project-details__tools-used-item {
    padding: 1rem 2rem;
    margin-bottom: 1.5rem;
    margin-right: 1.5rem;
    font-size: 1.6rem;
    background: rgba(0, 255, 204, 0.05);
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 5px;
    font-weight: 600;
    color: #00ffcc;
    transition: all 0.3s ease;
  }
  .project-details__tools-used-item:hover {
    background: rgba(0, 255, 204, 0.15);
    box-shadow: 0 0 8px rgba(0, 255, 204, 0.3);
  }

.project-details__links {
  margin: 0 0;
}
  .project-details__links-btn {
    margin-right: 2rem;
  }
    @media only screen and (max-width: 37.5em) {
      .project-details__links-btn {
        margin-right: 0;
        width: 70%;
        margin-bottom: 2rem;
        text-align: center;
      }
    }
    .project-details__links-btn:last-child {
      margin: 0;
    }
      @media only screen and (max-width: 37.5em) {
        .project-details__links-btn:last-child { margin: 0; }
      }


/* ===========================
   HEADER / NAVBAR
   =========================== */
.header {
  position: fixed;
  width: 100%;
  z-index: 1000;
  background: #050505;
  border-bottom: 1px solid #222;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}
  .header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 5rem;
  }
    @media only screen and (max-width: 56.25em) {
      .header__content { padding: 0 2rem; }
    }
  .header__logo-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #ffffff;
    transition: color .3s;
  }
    .header__logo-container:hover {
      color: #00ffcc;
    }
  .header__logo-img-cont {
    width: 5rem;
    height: 5rem;
    border-radius: 50px;
    overflow: hidden;
    margin-right: 1.5rem;
    background: transparent;
    border: 2px solid #00ffcc;
  }
    @media only screen and (max-width: 56.25em) {
      .header__logo-img-cont {
        width: 4.5rem;
        height: 4.5rem;
        margin-right: 1.2rem;
      }
    }
  .header__logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }
  .header__logo-sub {
    font-size: 1.8rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
  }
  .header__links {
    display: flex;
  }
    @media only screen and (max-width: 37.5em) {
      .header__links { display: none; }
    }
  .header__link {
    padding: 2.2rem 3rem;
    display: inline-block;
    font-size: 1.6rem;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    transition: all .3s;
  }
    .header__link:hover {
      color: #00ffcc;
      text-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
    }
    @media only screen and (max-width: 56.25em) {
      .header__link {
        padding: 3rem 1.8rem;
        font-size: 1.5rem;
      }
    }
  .header__main-ham-menu-cont {
    display: none;
    width: 3rem;
    padding: 2.2rem 0;
    cursor: pointer;
  }
    @media only screen and (max-width: 37.5em) {
      .header__main-ham-menu-cont { display: block; }
    }
  .header__main-ham-menu {
    width: 100%;
    filter: invert(1);
  }
  .header__main-ham-menu-close {
    width: 100%;
    filter: invert(1);
  }
  .header__sm-menu {
    background: #111;
    position: absolute;
    width: 100%;
    top: 100%;
    visibility: hidden;
    opacity: 0;
    transition: all .3s;
    box-shadow: 0px 5px 10px 0px rgba(0, 0, 0, 0.4);
    border-top: 1px solid #333;
  }
    .header__sm-menu--active {
      visibility: hidden;
      opacity: 0;
    }
      @media only screen and (max-width: 37.5em) {
        .header__sm-menu--active {
          visibility: visible;
          opacity: 1;
        }
      }
  .header__sm-menu-link a {
    display: block;
    text-decoration: none;
    padding: 2.5rem 3rem;
    font-size: 1.6rem;
    color: #fff;
    text-align: right;
    border-bottom: 1px solid #222;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color .3s;
  }
    .header__sm-menu-link a:hover {
      color: #00ffcc;
    }
  .header__sm-menu-link:first-child a {
    border-top: 1px solid #222;
  }
  .header__sm-menu-link-last {
    border-bottom: 0;
  }


/* ===========================
   FOOTER
   =========================== */
.main-footer {
  background: #000;
  color: #fff;
  border-top: 1px solid #222;
}
  .main-footer__upper {
    display: flex;
    justify-content: space-between;
    padding: 8rem 0;
  }
    @media only screen and (max-width: 56.25em) {
      .main-footer__upper { padding: 6rem 0; }
    }
    @media only screen and (max-width: 37.5em) {
      .main-footer__upper { display: block; }
    }
  .main-footer__row-1 {
    order: 2;
  }
    @media only screen and (max-width: 56.25em) {
      .main-footer__row-1 { margin-bottom: 5rem; }
    }
  .main-footer__row-2 {
    width: 40%;
    order: 1;
    max-width: 50rem;
  }
    @media only screen and (max-width: 56.25em) {
      .main-footer__row-2 { width: 100%; }
    }
  .main-footer__short-desc {
    margin-top: 2rem;
    color: #aaaaaa;
    font-size: 1.5rem;
    line-height: 1.7;
  }
  .main-footer__social-cont {
    margin-top: 2rem;
  }
  .main-footer__icon {
    margin-right: 1rem;
    width: 2.5rem;
    /* Sin invert: los SVGs mantienen su color, se usa opacity para footer */
    opacity: 0.85;
    transition: all 0.3s;
  }
    .main-footer__icon:hover {
      opacity: 1;
      transform: translateY(-2px);
    }
    .main-footer__icon--mr-none {
      margin-right: 0;
    }
  .main-footer__lower {
    padding: 4rem 0;
    border-top: 1px solid #222;
    color: #666;
    font-size: 1.2rem;
    text-align: left;
    text-align: center;
  }
    .main-footer__lower a {
      text-decoration: underline;
      font-weight: bold;
      margin-left: 2px;
      color: #00ffcc;
    }
    @media only screen and (max-width: 56.25em) {
      .main-footer__lower { padding: 3.5rem 0; }
    }


/* ===========================
   SKILLS
   =========================== */
.skills {
  display: flex;
  flex-wrap: wrap;
}
  .skills__skill {
    padding: 1rem 2rem;
    margin-bottom: 1.5rem;
    margin-right: 1.5rem;
    font-size: 1.6rem;
    background: rgba(0, 255, 204, 0.05);
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 5px;
    font-weight: 600;
    color: #e0e0e0; /* texto blanco/gris en vez de verde para no saturar */
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }
  .skills__skill:hover {
    background: rgba(0, 255, 204, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.2);
    transform: translateY(-2px);
    border-color: rgba(0, 255, 204, 0.6);
  }
  /* Los íconos toman el color definido en su style="" del HTML.
     NO se sobreescribe nada aquí — solo tamaño y alineación. */
  .skills__skill i {
    font-size: 1.8rem;
    flex-shrink: 0;
  }


/* ===========================
   SKILLS — SECCIÓN TITLES
   =========================== */
.skills-section-title {
  color: #00ffcc;
  margin-bottom: 1.2rem;
  margin-top: 2.5rem;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
}
  .skills-section-title:first-of-type { margin-top: 0; }
  .skills-section-title i { font-size: 1.6rem; color: #00ffcc; }

.skills-group {
  margin-bottom: 2rem;
}

/* ===========================
   MOUSE SCROLL ANIMATION
   =========================== */
.mouse {
  width: 25px;
  height: 40px;
  border: 2px solid #00ffcc;
  border-radius: 60px;
  position: relative;
  overflow: hidden;
}
  .mouse::before {
    content: '';
    width: 5px;
    height: 5px;
    position: absolute;
    top: 7px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #00ffcc;
    border-radius: 50%;
    opacity: 1;
    animation: wheel 1.3s infinite;
    -webkit-animation: wheel 1.3s infinite;
  }

@keyframes wheel {
  to {
    opacity: 0;
    top: 27px;
  }
}
@-webkit-keyframes wheel {
  to {
    opacity: 0;
    top: 27px;
  }
}