/*=============== VARIABLES CSS ===============*/
:root {
    /*========== Colors ==========*/
    /* Color mode HSL(hue, saturation, lightness) */
    --first-color: hsl(195, 69%, 61%);      /* Azul principal */
    --first-color-alt: hsl(195, 57%, 53%);  /* Azul más oscuro */
    --first-color-light: hsl(195, 92%, 85%);
    --second-color: hsl(160, 84%, 39%);     /* Verde aqua */
}

/*=============== HERO SPECIFIC ===============*/
.dinero-hero {
    background: linear-gradient(160deg, var(--first-color-light) 0%, var(--first-color) 100%);
}

/*=============== SERVICES ===============*/
.services__content {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.services__card {
    background-color: var(--container-color);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .1);
    transition: .3s;
    border: 2px solid var(--first-color-light);
    position: relative;
    overflow: hidden;
}

.services__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(160deg, var(--first-color-light) 0%, var(--first-color) 100%);
    opacity: 0;
    transition: .3s;
    z-index: 0;
}

.services__card:hover {
    transform: translateY(-0.25rem);
    border-color: var(--second-color);
}

.services__card:hover::before {
    opacity: 0.1;
}

.services__icon {
    font-size: 2.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
    position: relative;
    z-index: 1;
    transition: .3s;
}

.services__card:hover .services__icon {
    color: var(--second-color);
    transform: scale(1.1);
}

.services__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-75);
    color: var(--first-color);
    position: relative;
    z-index: 1;
    transition: .3s;
}

.services__card:hover .services__title {
    color: var(--second-color);
}

.services__description {
    font-size: var(--small-font-size);
    position: relative;
    z-index: 1;
}

/*=============== WHY US ===============*/
.why-us__content {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.why-us__card {
    background-color: var(--container-color);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .1);
    transition: .3s;
    border: 2px solid var(--first-color-light);
    position: relative;
    overflow: hidden;
}

.why-us__card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--first-color) 0%, var(--second-color) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: .3s;
}

.why-us__card:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 6px 12px rgba(0, 0, 0, .15);
}

.why-us__card:hover::before {
    transform: scaleX(1);
}

.why-us__icon {
    font-size: 2.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
    transition: .3s;
}

.why-us__card:hover .why-us__icon {
    color: var(--second-color);
    transform: scale(1.1);
}

.why-us__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-75);
    color: var(--first-color);
    transition: .3s;
}

.why-us__card:hover .why-us__title {
    color: var(--second-color);
}

.why-us__description {
    font-size: var(--small-font-size);
}

/*=============== ABOUT VIDEO ===============*/
.about__content {
    display: grid;
    gap: 2.5rem;
}

.about__video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 1rem;
    background-color: var(--first-color-light);
    border: 2px solid var(--second-color);
    transition: .3s;
}

.about__video-container:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 6px 12px rgba(0, 0, 0, .15);
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--h2-font-size);
    color: var(--first-color);
}

/*=============== RESPONSIVE ===============*/
@media screen and (min-width: 568px) {
    .about__content {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
    }
}

@media screen and (min-width: 768px) {
    .services__content,
    .why-us__content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========== MEJORAS RESPONSIVE PARA MOVILES Y TABLETS ========== */
@media screen and (max-width: 575.98px) {
  .container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    max-width: 100vw;
  }
  .section {
    padding: 1.5rem 0 2rem;
  }
  .about__content.grid,
  .services__content.grid,
  .why-us__content.grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.5rem;
  }
  .services__card,
  .why-us__card {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
  .hero__title--gravity {
    font-size: 2rem !important;
  }
  .hero__description--gravity {
    font-size: 1rem !important;
  }
  .footer__container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}

html, body {
  overflow-x: hidden;
}

/* Personalización del botón principal */
.button {
    background-color: var(--second-color);
}

.button:hover {
    background-color: hsl(160, 74%, 33%);
}

/* Personalización del footer */
.footer {
    background-color: var(--first-color);
}

.footer__social-link {
    background-color: var(--second-color);
}

.footer__social-link:hover {
    background-color: hsl(160, 74%, 33%);
}

/* Personalización del formulario */
.contact__input {
    border: 2px solid var(--first-color-light);
}

.contact__input:focus {
    border-color: var(--second-color);
}

/* ====== GRAVITY MENU ====== */
.header--gravity {
    background: #111;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
body, html {
    margin: 0;
    padding: 0;
}
.main {
    margin: 0;
    padding: 0;
}
.nav--gravity {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 70px;
}
.nav__logo--gravity img {
    height: 40px;
}
.nav__list--gravity {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav__link--gravity {
    color: #fff;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 1rem;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
}
.nav__link--gravity:hover,
.nav__link--active {
    color: #fff;
    border-bottom: 2px solid #fff;
}

/* ====== GRAVITY HERO ====== */
.hero--gravity {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('https://images.unsplash.com/photo-1461749280684-dccba630e2f6?auto=format&fit=crop&w=1200&q=80') center center/cover no-repeat;
    padding-top: 70px; /* Altura del menú fijo */
}
.hero__overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.65);
    z-index: 1;
}
.hero__container--gravity {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
}
.hero__title--gravity {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}
.hero__description--gravity {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
}
.hero__buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}
.button--gravity {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
    outline: none;
}
.button--gravity:hover {
    background: #fff;
    color: #111;
}

@media (max-width: 600px) {
    .hero__title--gravity { font-size: 2rem; }
    .hero__description--gravity { font-size: 1rem; }
    .nav--gravity { padding: 0 1rem; }
    .hero--gravity { min-height: 320px; padding-top: 60px; }
    .hero__buttons { flex-direction: column; gap: 1rem; }
}