/* ============================= */
/* DESIGN SYSTEM / VARIÁVEIS     */
/* ============================= */
:root {
    --bg-color: #0f172a;
    --second-bg-color: #020617;
    --text-color: #e5e7eb;
    --second-color: #94a3b8;
    --main-color: #38bdf8;
    --hover-color: #7dd3fc;
    --border-color: #1e293b;

    --big-font: clamp(2.5rem, 5vw, 3.5rem);
    --h2-font: clamp(2rem, 4vw, 2.5rem);
    --p-font: 1rem;
    --p-small-font: 0.9rem;
}

/* ============================= */
/* RESET & BASE                  */
/* ============================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    list-style: none;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 15px;
}

/* ============================= */
/* HEADER / MENU                 */
/* ============================= */
.center {
    display: flex;
    align-items: center;
    padding: 1rem 2%;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: var(--bg-color);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.logo {
    max-width: 180px;
}

.logo img {
    width: 100%;
}

.menu {
    margin-left: auto;
    display: flex;
    gap: 1.5rem;
}

.menu a {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
}

.menu a:hover {
    color: var(--main-color);
}

/* ============================= */
/* BOTÃO SCROLL TOP              */
/* ============================= */
.button-up {
    display: none;
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    background-color: var(--main-color);
    padding: 0.6rem;
    border-radius: 8px;
    z-index: 1000;
    transition: all 0.3s ease;
}

.button-up.show {
    display: block;
}


/* ============================= */
/* HOME                          */
/* ============================= */
.home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding-top: 80px; /* Compensar header fixo */
}
section {
    scroll-margin-top: 90px;
}


.home h1 {
    font-size: var(--big-font);
}

.home h2,
.home h3 {
    color: var(--second-color);
}

.home span {
    color: var(--main-color);
}

.links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.home a {
    padding: 12px 36px;
    border-radius: 999px;
    background-color: var(--main-color);
    color: var(--second-bg-color);
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent; /* Evita pulo no hover */
}

.home a:hover {
    background-color: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
    transform: translateY(-4px);
}

/* ============================= */
/* ABOUT & EXPERIENCE            */
/* ============================= */
.about,
.experience {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
    gap: 3rem;
    padding: 5rem 2rem;
}

.about-img img,
.experience-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.about-text,
.experience-text {
    text-align: justify;
}

.about-text h2,
.experience-text h2,
.prj-text h2 {
    font-size: var(--h2-font);
    text-align: center;
    margin-bottom: 1.5rem;
}

.about-text p,
.experience-text p {
    font-size: var(--p-font);
    line-height: 1.7;
    color: var(--second-color);
    margin-bottom: 1.2rem;
}

.experience-highlight {
    color: var(--main-color) !important;
    font-weight: 600;
}

/* ============================= */
/* SKILLS                        */
/* ============================= */
.skills {
    padding: 5rem 2rem;
}

.skills-text {
    text-align: center;
    margin-bottom: 3rem;
}

.box-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skills-box {
    background-color: var(--second-bg-color);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.skills-box:hover {
    transform: translateY(-6px);
    border-color: var(--main-color);
}

.skills-box h3 {
    margin-top: 1rem;
    color: var(--main-color);
}
.box-icons {
    width: 70px;
    height: 70px;
    background-color: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.box-icons img {
    width: 40px;
    height: auto;
}
.skills-box:hover .box-icons {
    transform: scale(1.05);
}



/* ============================= */
/* PORTFÓLIO                     */
/* ============================= */
.prj-box {
    padding: 5rem 2rem;
}

.prj-text {
    text-align: center;
    margin-bottom: 3rem;
}

.prj-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.prj-box-i {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    min-height: 250px; /* Garante altura mesmo sem imagem */
    background-color: var(--second-bg-color);
    border: 1px solid var(--border-color);
}

/* ============================= */
/* FOOTER                        */
/* ============================= */
footer {
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

.contact {
    padding: 3rem 2rem;
    text-align: center;
}

.social-button {
    display: inline-block;
    margin: 0 10px;
    transition: transform 0.3s;
}

.social-button:hover {
    transform: translateY(-5px);
}

.social-button img {
    width: 40px;
    border-radius: 50%;
}

.end-end {
    text-align: center;
    padding: 1.5rem;
    font-size: var(--p-small-font);
    color: var(--second-color);
    background-color: var(--second-bg-color);
}

/* ============================= */
/* RESPONSIVO                    */
/* ============================= */
@media (max-width: 768px) {
    .menu {
        flex-wrap: wrap;
        justify-content: center;
        background-color: var(--bg-color);
        padding: 1rem;
    }
    
    .center {
        flex-direction: column;
        gap: 1rem;
        position: relative; /* Remove fixed no mobile para facilitar */
    }
    
    .home {
        padding-top: 2rem;
    }
}