/* ===== VARIABLES CSS ===== */
:root {
    --header-height: 3rem;
    
    /* Colors - Tema Escuro */
    --first-color: #DC143C;
    --first-color-alt: #B8122F;
    --title-color: #FFFFFF;
    --text-color: #B0B0B0;
    --text-color-light: #7A7A7A;
    --body-color: #0E0E0E;
    --container-color: #1A1A1A;
    --card-color: #252525;
    
    /* Font and typography */
    --body-font: 'Poppins', sans-serif;
    --biggest-font-size: 2.5rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;
    
    /* Font weight */
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;
    
    /* Margins Bottom */
    --mb-1: .5rem;
    --mb-2: 1rem;
    --mb-3: 1.5rem;
    --mb-4: 2rem;
    --mb-5: 2.5rem;
    --mb-6: 3rem;
    
    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

/* ===== BASE ===== */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

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

/* ===== REUSABLE CSS CLASSES ===== */
.section {
    padding: 2rem 0 4rem;
}

.section__title {
    font-size: var(--h1-font-size);
    color: var(--title-color);
    text-align: center;
    margin-bottom: var(--mb-3);
}

.section__subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
    text-align: center;
    color: var(--text-color-light);
}

.container {
    max-width: 968px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid {
    display: grid;
    gap: 1.5rem;
}

/* ===== HEADER ===== */
.header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: rgba(14, 14, 14, 0.95);
    box-shadow: 0 2px 20px rgba(0,0,0,.5);
    backdrop-filter: blur(10px);
}

.nav {
    height: calc(var(--header-height) + 1.5rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    column-gap: 1rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    font-weight: var(--font-bold);
    font-size: var(--h3-font-size);
    color: var(--title-color);
    column-gap: .5rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav__list {
    display: flex;
    column-gap: 2rem;
}

.nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    transition: .3s;
    position: relative;
}

.nav__link:hover {
    color: var(--first-color);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--first-color);
    transition: .3s;
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__close,
.nav__toggle {
    display: none;
}

.nav__toggle i,
.nav__close i {
    color: var(--title-color);
    font-size: 1.5rem;
}

/* ===== HOME ===== */
.home {
    padding: 8rem 0 2rem;
}

.home__container {
    row-gap: 3.5rem;
}

.home__content {
    row-gap: 1rem;
}

.home__title {
    font-size: var(--biggest-font-size);
    font-weight: var(--font-bold);
    margin-bottom: var(--mb-2);
    line-height: 1.2;
}

.home__title-color {
    color: var(--first-color);
}

.home__description {
    margin-bottom: var(--mb-3);
    font-size: var(--normal-font-size);
    color: var(--text-color);
}

.home__buttons {
    display: flex;
    column-gap: 1rem;
    flex-wrap: wrap;
}

.home__img {
    order: 1;
    justify-self: center;
}

.home__blob-img {
    width: 100%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(220, 20, 60, 0.3);
    border: 1px solid rgba(255,255,255,.1);
}

/* ===== BUTTON ===== */
.button {
    display: inline-flex;
    background-color: var(--first-color);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    transition: .3s;
    border: none;
    cursor: pointer;
    align-items: center;
    column-gap: .5rem;
}

.button:hover {
    background-color: var(--first-color-alt);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(220, 20, 60, 0.3);
}

.button--light {
    background-color: transparent;
    color: var(--first-color);
    border: 2px solid var(--first-color);
}

.button--light:hover {
    background-color: var(--first-color);
    color: #fff;
}

.button--small {
    padding: .75rem 1.5rem;
    font-size: var(--small-font-size);
}

.button__icon {
    font-size: 1.25rem;
}

/* ===== SOBRE ===== */
.sobre {
    background-color: var(--container-color);
}

.sobre__container {
    row-gap: 2rem;
}

.sobre__text {
    margin-bottom: var(--mb-2);
    text-align: justify;
    color: var(--text-color);
    line-height: 1.8;
}

.skills__content {
    background-color: var(--card-color);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 5px 20px rgba(0,0,0,.4);
    border: 1px solid rgba(255,255,255,.05);
}

.skills__title {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-3);
    color: var(--title-color);
}

.skills__data {
    display: flex;
    align-items: flex-start;
    column-gap: 1rem;
    margin-bottom: var(--mb-3);
}

.skills__data i {
    font-size: 1.5rem;
    color: var(--first-color);
    margin-top: .25rem;
}

.skills__name {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
    margin-bottom: .25rem;
    color: var(--title-color);
}

.skills__level {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

/* ===== PROJETOS ===== */
.projetos__container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.projeto__content {
    background-color: var(--card-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,.4);
    border: 1px solid rgba(255,255,255,.05);
    transition: .3s;
}

.projeto__content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2);
}

.projeto__img {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.projeto__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .3s;
}

.projeto__content:hover .projeto__img img {
    transform: scale(1.1);
}

.projeto__data {
    padding: 1.5rem;
}

.projeto__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    color: var(--title-color);
}

.projeto__description {
    font-size: var(--small-font-size);
    color: var(--text-color);
    margin-bottom: var(--mb-2);
    line-height: 1.6;
}

.projeto__tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: var(--mb-2);
}

/* Botões Ver Demo e Detalhes - abaixo das tags no card */
.projeto__data .projeto__buttons {
    display: flex;
    column-gap: 1rem;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: var(--mb-2);
    padding-top: var(--mb-2);
    border-top: 1px solid rgba(255,255,255,.08);
}

.tag {
    background-color: rgba(220, 20, 60, 0.15);
    color: var(--first-color);
    padding: .25rem .75rem;
    border-radius: 1rem;
    font-size: var(--smaller-font-size);
    font-weight: var(--font-medium);
    border: 1px solid rgba(220, 20, 60, 0.3);
}

/* ===== CONTATO ===== */
.contato {
    background-color: var(--container-color);
}

.contato__container {
    row-gap: 3rem;
}

.contato__title {
    text-align: center;
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-3);
}

.contato__info {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.contato__card {
    background-color: var(--card-color);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,.4);
    border: 1px solid rgba(255,255,255,.05);
    transition: .3s;
}

.contato__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2);
}

.contato__card i {
    font-size: 2.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
}

.contato__card-title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    color: var(--title-color);
}

.contato__card-data {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
    display: block;
    margin-bottom: var(--mb-2);
}

.contato__button {
    color: var(--first-color);
    font-size: var(--small-font-size);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    column-gap: .25rem;
    font-weight: var(--font-medium);
    transition: .3s;
}

.contato__button:hover {
    transform: translateX(.25rem);
}

/* ===== FOOTER ===== */
.footer {
    background-color: #080808;
    color: #fff;
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,.05);
}

.footer__container {
    row-gap: 2rem;
    text-align: center;
}

.footer__title {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-1);
}

.footer__description {
    margin-bottom: var(--mb-2);
    color: rgba(255,255,255,.7);
}

.footer__social {
    display: flex;
    justify-content: center;
    column-gap: 1.5rem;
    margin-bottom: var(--mb-2);
}

.footer__social-link {
    background-color: rgba(255,255,255,.1);
    color: #fff;
    font-size: 1.5rem;
    padding: .5rem;
    border-radius: .5rem;
    display: inline-flex;
    transition: .3s;
}

.footer__social-link:hover {
    background-color: var(--first-color);
    transform: translateY(-3px);
}

.footer__copy {
    font-size: var(--smaller-font-size);
    color: rgba(255,255,255,.5);
}

/* ===== SCROLL TOP ===== */
.scrolltop {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: var(--first-color);
    opacity: .8;
    padding: .5rem;
    border-radius: .4rem;
    z-index: var(--z-tooltip);
    transition: .4s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scrolltop:hover {
    background-color: var(--first-color-alt);
    opacity: 1;
}

.scrolltop__icon {
    font-size: 1.5rem;
    color: #fff;
}

.show-scroll {
    bottom: 3rem;
}

/* ===== MEDIA QUERIES ===== */
/* For large devices */
@media screen and (min-width: 968px) {
    :root {
        --biggest-font-size: 4rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }

    .container {
        margin-left: auto;
        margin-right: auto;
    }

    .home__container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .home__img {
        order: 2;
    }

    .sobre__container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

/* For medium devices */
@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--container-color);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 20px rgba(0,0,0,.5);
        border-radius: 1.5rem 1.5rem 0 0;
        border: 1px solid rgba(255,255,255,.05);
        transition: .3s;
    }

    .show-menu {
        bottom: 0;
    }

    .nav__list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .nav__close {
        position: absolute;
        right: 1.3rem;
        bottom: .5rem;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--text-color);
    }

    .nav__close:hover {
        color: var(--first-color);
    }

    .nav__toggle {
        font-size: 1.1rem;
        cursor: pointer;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .home__title {
        font-size: 2rem;
    }

    .home__buttons {
        flex-direction: column;
        width: 100%;
    }

    .button {
        width: 100%;
        justify-content: center;
    }

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

/* For small devices */
@media screen and (max-width: 350px) {
    .container {
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }

    .home__title {
        font-size: 1.5rem;
    }

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