/**
 * Estilos Principais - Portfólio Kevin Lucas
 * 
 * ÍNDICE:
 * 1. Configurações Globais (:root, body, html)
 * 2. Componentes (Botões, Títulos)
 * 3. Header e Navegação
 * 4. Seção Hero
 * 5. Seção Sobre (Skills e Serviços)
 * 6. Seção Projetos (Carrossel)
 * 7. Seção Contato
 * 8. Rodapé
 * 9. Elementos Flutuantes (Botão Topo, Preloader)
 */

@import "./reset.css";
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap");

/* ========================================= */
/* 1. CONFIGURAÇÕES GLOBAIS                  */
/* ========================================= */
:root {
    /* Cores Dark Mode (Padrão) */
    --primary-bg-color: rgb(13, 17, 22);
    --primary-bg-variant: rgb(10, 14, 18);
    --primary-accent: #871cc1;
    --secondary-accent: #a76cc7;
    --white-color: #fff;

    --main-text-color: #ffffff;
    --secondary-text-color: #a4a5b8;
    --primary-color: #3a435d;
}

/* Modo Claro */
.whitemode {
    --primary-bg-color: rgb(255, 255, 255);
    --primary-bg-variant: #e8e9ed;
    --primary-accent: #871cc1;
    --main-text-color: #000000;
    --secondary-text-color: #232738;
    --primary-color: #3a435d;
}

.whitemode .hero {
    background-image: url("../img/backgrounds/bg-light.png");
}

/* Common styles */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: "Poppins", sans-serif;
    letter-spacing: -0.15px;
    background: var(--primary-bg-color);
    color: var(--main-text-color);
}

.container {
    padding: 0 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.container-lg {
    max-width: 1600px;
}

.title {
    font-size: 44px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 54px;
}

.btn {
    display: inline-block;
    height: 52px;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    line-height: 52px;
    padding: 0 36px;
    margin: 0 12px 16px 0;
    color: var(--white-color);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s;
    background-color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
    transition: all 0.3s ease-in;
}

.btn:hover,
.btn:focus {
    background-color: var(--secondary-accent);
    border-color: var(--secondary-accent);
    color: var(--white-color);
    outline: 0;
}

.btn-white {
    background: var(--primary-accent);
    font-weight: 700;
    border: 2px solid var(--primary-accent);
    color: white;
    transition: all 0.3s ease-in;
}

.btn-white:hover,
.btn-white:focus {
    background: var(--secondary-accent);
    /*roxo claro*/
    border: 2px solid var(--secondary-accent);
}

.btn-red {
    background: var(--primary-accent);
    border: 2px solid var(--primary-accent);
    color: var(--white-color);
    transition: all 0.3s ease-in;
}

.btn-red:hover,
.btn-red:focus {
    background: var(--secondary-accent);
    border: 2px solid var(--secondary-accent);
}

h5 {
    font-size: 15px;
    letter-spacing: 2px;
    line-height: 23px;
    font-weight: 600;
    text-transform: uppercase;
}

.white {
    color: var(--white-color);
}

#theme-switch {
    height: 50px;
    width: 50px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

#theme-switch img {
    fill: var(--text-color);
}

#theme-switch img:last-child {
    display: none;
}

.whitemode #theme-switch img:first-child {
    display: none;
}

.whitemode #theme-switch img:last-child {
    display: block;
}

#nav-btn {
    height: 50px;
    width: 50px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute; /* Garantindo que o botão sempre será posicionado de maneira correta */
    right: 10px;
    top: 15px; /* Ajuste conforme necessário */
}

#nav-btn-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: invert(0);
    transition: filter 0.2s ease;
}

body:not(.whitemode) #nav-btn-img[src*="open.svg"] {
    filter: invert(1);
}

body.whitemode #nav-btn-img {
    filter: invert(0);
}

.nav.open #nav-btn-img[src*="close.svg"] {
    filter: invert(
        1
    ); /* inverte o “close” branco para preto, para aparecer sobre o fundo branco. */
}

/* Header */
.header {
    position: relative;
    z-index: 50;
    height: 75px;
    width: 100%;
    background: var(--primary-bg-color);
}

.header-nav {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--main-text-color);
    padding: 1rem 2.5%;
    height: 75px;
    z-index: 100;
}

.header-sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1999;
    background: var(--primary-bg-color);
    padding-top: 0;
    padding-bottom: 0;
    /* transition: all 0.3s ease-in-out; */
}

.nav-list {
    display: flex;
    column-gap: 46px;
    font-weight: 400;
    font-size: 18px;
    letter-spacing: -0.15px;
}

.nav-btn {
    display: none;
}

.nav-link {
    color: var(--main-text-color);
}

.nav-link.active {
    text-decoration: underline;
    text-decoration-color: var(--secondary-accent);
    text-decoration-thickness: 1.2px;
    text-underline-offset: 7px;
}

/* Hero section */
.hero {
    align-items: center;
    padding: 10% 15%;
    background: var(--primary-bg-variant);
    background-image: url("../img/backgrounds/bg-dark.png");
    background-attachment: fixed;
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.hero-content {
    text-align: left;
    align-self: center;
    padding: 20px;
    flex-grow: 1;
    max-width: 50%;
}

.hero-greeting {
    font-size: clamp(1rem, 0.929rem + 0.36vw, 1.25rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--secondary-accent);
}

.hero-heading {
    margin: 5px 0;
    font-weight: 600;
    font-size: clamp(3.25rem, 1.75rem + 2.5vw, 5rem);
    line-height: 1.2;
    font-family: "Arial Bold", sans-serif;
    color: var(--main-text-color);
}

.hero-heading-subtitle {
    font-size: clamp(1.125rem, 1rem + 0.36vw, 1.375rem);
    font-weight: 400;
    color: var(--main-text-color);
}

.hero-img {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 0;
    flex-shrink: 0;
}

.hero-img img {
    display: flex;
    border-radius: 50%;
    filter: grayscale(100%);
    width: 230px;
    height: 230px;
}

.about-social-list {
    display: flex;
}

.social-links-row {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 20px;
    margin: 0 0 20px;
    height: 24px;

    img {
        height: 24px;
        width: 24px;
    }
}

.hero-content .social-links-row {
    justify-content: flex-start;
}

.social-links-row svg {
    width: 30px;
    height: 30px;
    margin-bottom: 20px;
    fill: #ffffff;
}

.social-links-row svg:hover {
    fill: #871cc1;
}

.whitemode .social-links-row svg {
    fill: #000000;
}

.whitemode .social-links-row svg:hover {
    fill: #871cc1;
}

/* About section */
.about {
    padding: 7rem 0;
    background-color: var(--primary-bg-color);
    color: var(--main-text-color);
}

.about-descr {
    font-size: clamp(1rem, 0.964rem + 0.18vw, 1.125rem);
    line-height: 1.7;
    font-weight: 400;
    margin-bottom: 10px;
}

/* Carrossel container */
.carrossel-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 87%;
    height: 150px;
    overflow: hidden;
    margin: 4rem auto;
    padding: 0 1rem;
}

.carrossel {
    display: flex;
    gap: 3.5rem;
    animation: scrollLoop 30s linear infinite;
}

.carrossel-item {
    position: relative;
    display: inline-block;
    text-align: center;
    flex-shrink: 0;
}

.carrossel img {
    width: 60px;
    height: 80px;
    transition: transform 0.3s ease-in-out;
}

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

.language-name {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--text-color);
    padding: 5px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.carrossel-item:hover .language-name {
    opacity: 1;
    visibility: visible;
}

@keyframes scrollLoop {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.skill {
    position: relative;
    display: block;
    width: 100%;
    margin-bottom: 30px;
}

.about-download-btn {
    margin-top: 40px;
}

.services-row {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: space-between;
}

.service-card {
    max-width: 300px;
}

.service-card-img {
    display: block;
    height: 50px;
    margin: 0 auto 20px;
    filter: invert(33%) sepia(7%) saturate(243%) hue-rotate(145deg)
        brightness(94%) contrast(81%);
}

.service-card-title {
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: clamp(1.125rem, 1.089rem + 0.18vw, 1.25rem);
}

.service-card p {
    font-size: 16px;
    line-height: 1.7;
    text-align: center;
}

/* Projetos */
.projects {
    padding-top: 4rem;
    padding-bottom: 6rem;
    background: var(--primary-bg-variant);
}

.projects-title {
    text-align: center;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    max-width: 100%;
    margin: 0 auto;
}

.carousel-track-container {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    gap: 20px;
    transition: transform 0.4s ease-in-out;
    will-change: transform;
}

.carousel-slide {
    flex: 0 0 auto;
    box-sizing: border-box;
}

.project-box {
    position: relative;
    overflow: hidden;
    display: block;
    width: 100%;
    max-width: 510px;
    margin: 0 auto;
}

/* Link antigo removido, agora usamos .project-link interno */
/* .project-box a { display: inline-block; width: 100%; } */

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--primary-accent);
    color: white;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    text-decoration: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
}

.project-box:hover .project-link {
    transform: translate(-50%, -50%) scale(1);
}

.project-link:hover {
    background-color: var(--secondary-accent);
    cursor: pointer;
}

.project-box:hover .project-mask {
    opacity: 1;
    visibility: visible;
}

.project-box:hover .project-mask .project-caption {
    bottom: 30px;
    opacity: 1;
}

.project-box:hover .project-img {
    transform: scale(1.1);
    transition: all 2s cubic-bezier(0.23, 1, 0.32, 1) 0s;
    width: 100%;
}

.project-img {
    transform: scale(1);
    width: 100%;
    transition: all 2s cubic-bezier(0.23, 1, 0.32, 1) 0s;
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.project-mask {
    background: rgba(0, 0, 0, 0.7);
    height: 100%;
    position: absolute;
    transition: all 0.5s ease-in-out 0s;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    color: white;
}

.project-mask p {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 1.5px;
    font-weight: 400;
    margin-top: 0;
    text-align: left;
    color: white;
}

.project-mask .project-caption {
    position: absolute;
    bottom: -60px;
    left: 0;
    padding-left: 30px;
    padding-right: 30px;
    text-align: left;
    transition: all 0.5s ease-in-out 0s;
    opacity: 0;
}

/* Botões do carrossel */
.carousel-container {
    position: relative;
    overflow: visible;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-accent);
    border: none;
    color: white;
    font-size: 1.25rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    border-radius: 50%;
    opacity: 0.75;
    transition: opacity 0.3s ease;
    user-select: none;
    padding: 0;
}

.carousel-button:hover {
    opacity: 1;
}

.carousel-button.prev {
    left: -10px;
}

.carousel-button.next {
    right: -10px;
}

.carousel-track.two-only {
    gap: 0 !important;
    justify-content: center;
    transform: none !important;
}

.carousel-track.two-only .carousel-slide {
    min-width: 510px;
    flex: 0 0 auto;
    margin: 0 10px;
}

.carousel-track.static-two ~ .carousel-button.prev,
.carousel-track.static-two ~ .carousel-button.next {
    display: none !important;
}

/* Contact */
.contact {
    padding: 7rem 0;
    text-align: center;
}

.contact-content {
    font-size: clamp(1rem, 0.964rem + 0.18vw, 1.125rem);
    color: var(--main-text-color);
    margin: 0 auto 20px;
}

.contact form {
    max-width: 500px;
    margin: 20px auto;
    text-align: center;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 15px;
    font-size: 15px;
    color: var(--main-text-color);
    border: 1px solid var(--main-text-color);
    margin: 7px 0;
}

.contact form .input-box input {
    width: 100%;
}

.contact form textarea {
    resize: none;
}

.contact-button {
    margin-top: 20px;
}

/* Footer */
.footer {
    background: var(--primary-bg-variant);
    color: var(--gray-color-3);
}

.footer-row {
    display: flex;
    flex-direction: column;
    column-gap: 20px;
    align-items: center;
    padding: 40px 0;
}

.footer-social {
    margin-top: 0;
}

.footer-social a:hover {
    fill: #871cc1;
}

.footer-copyright {
    font-size: clamp(0.75rem, 0.679rem + 0.36vw, 1rem);
}

.response {
    position: fixed;
    display: inline-block;
    background-color: var(--primary-accent);
    color: var(--white-color);
    border: 1px solid var(--white-color);
    min-width: 280px;
    padding: 20px 40px;
    bottom: -100px;
    left: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%);
    transition: all 0.3s ease-in-out;
    z-index: 5;
}

.response.open {
    bottom: 20px;
    opacity: 1;
    visibility: visible;
}

/* "go to top" button */
.goToTop {
    z-index: 599;
    position: fixed;
    width: 40px;
    height: 40px;
    background-color: var(--gray-color);
    top: auto;
    left: auto;
    right: 30px;
    bottom: 30px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    border-radius: 2px;
    transition:
        opacity 350ms,
        visibility 350ms;
}

.goToTop a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    filter: invert(4%) sepia(23%) saturate(2306%) hue-rotate(148deg)
        brightness(91%) contrast(90%);
}

.goToTop img {
    height: 16px;
    width: 16px;
}

.goToTop:hover {
    filter: invert(100%) sepia(100%) saturate(0%) hue-rotate(288deg)
        brightness(102%) contrast(102%);
}

.goToTop.reveal {
    display: block;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s;
}

/* Preloader with jumping dots */
#preloader {
    position: fixed;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    background: var(--color-preloader-bg);
    z-index: 3000;
    height: 100vh;
    width: 100vw;
    opacity: 1;
    overflow: hidden;
    transition: opacity 0.5s ease-out;
}

.jumping-dots {
    position: relative;
    width: 6px;
    height: 6px;
    padding: 0;
    display: inline-block;
}

.jumping-dots > div {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--color-dots);
    border-radius: 50%;
}

.jumping-dots > div:nth-of-type(1) {
    left: 20px;
}

.jumping-dots > div:nth-of-type(3) {
    left: -20px;
}

.jumping-dots > div {
    animation: jumping-dots 1.2s infinite ease;
    animation-delay: 0.2s;
}

.jumping-dots > div:nth-of-type(1) {
    animation-delay: 0.4s;
}

.jumping-dots > div:nth-of-type(3) {
    animation-delay: 0s;
}

@keyframes jumping-dots {
    0% {
        top: 0;
    }

    40% {
        top: -6px;
    }

    80% {
        top: 0;
    }
}