html {
    scroll-behavior: smooth;
}

/* VARIÁVEIS DE TEMA */
:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --sidebar-bg: #f7f7f7;
    --primary-orange: #e65c00;
    --border-color: #e0e0e0;
    --skill-color: #FFA500;
    --skill-text-color: #000000;
    --circle-bg: #ffffff;
    --tag-bg: #eeeeee;
}

[data-theme="dark"] {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --sidebar-bg: #141414;
    --primary-orange: #ff7300;
    --border-color: #2a2a2a;
    --skill-color: #FFA500;
    --skill-text-color: #ffffff;
    --circle-bg: #0a0a0a;
    --tag-bg: #222222;
}


* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    transition: background-color 0.3s, 
    color 0.3s; 
}

body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    background: var(--bg-color); 
    color: var(--text-color); 
    line-height: 1.6; 
    overflow-x: hidden; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh;
}

.layout-container { flex: 1; display: grid; grid-template-columns: 7fr 3fr; }

/* CABEÇALHO */
.top-header { 
    background-color: var(--primary-orange); 
    color: #fbf9f9; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 0.8rem 4rem; 
    position: sticky; top: 0; 
    z-index: 100; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
}


.top-nav { display: flex; gap: 2.5rem; }

.top-nav a { 
    color: #ffffff; 
    text-decoration: none; 
    font-weight: bold; 
    font-size: 1.1rem; 
    transition: transform 0.2s; 
}

.top-nav a:hover { 
    text-decoration: underline; 
    transform: translateY(-2px); }

#theme-toggle { 
    background: none; 
    border: none; 
    cursor: pointer; 
    transition: transform 0.3s; 
    display: flex; 
    align-items: center; 
}

#theme-toggle:hover { transform: rotate(20deg); }

#theme-icon { 
    width: 30px; 
    height: 30px; 
    object-fit: contain; 
}

/* RODAPÉ */
.bottom-footer { background-color: var(--primary-orange); min-height: 40px; width: 100%; }


@media (max-width: 1000px) {
    .top-header { flex-direction: column; padding: 1rem; gap: 1rem; }
    .top-nav { gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
}

/* LAYOUT GRID */
.layout-container { display: grid; grid-template-columns: 7fr 3fr; min-height: 100vh; }

.main-content { padding: 4rem; }

.sidebar { 
    background: var(--sidebar-bg); 
    padding: 4rem 2rem; 
    border-left: 1px solid var(--border-color); 
    position: relative; 
}

/* TEXTOS */
h1 { font-size: 2.8rem; margin-bottom: 1.5rem; line-height: 1.1; }

h2 { margin-bottom: 2rem; font-size: 1.8rem; }

h2 span { color: var(--primary-orange); }

p { margin-bottom: 1.2rem; opacity: 0.9; font-size: 1rem; }

/* SKILLS */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: start;
    justify-items: center;
}

.skill-item {
    width: 100%;
    max-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: 10px;
    cursor: default;
}

.skill-item { justify-content: flex-start; min-height: 220px; }

.skill-circle {
    width: 115px; height: 115px; 
    border-radius: 50%;
    --contrib: 0%; 
    background: conic-gradient( var(--primary-orange) calc(var(--percentage) - var(--contrib)), var(--skill-color) calc(var(--percentage) - var(--contrib)), var(--skill-color) var(--percentage), var(--border-color) 0 );
    display: flex; 
    align-items: center; 
    justify-content: center; 
    position: relative; 
    margin-bottom: 1rem;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-circle::before { 
    content: ""; 
    position: absolute; 
    width: 95px; 
    height: 95px; 
    border-radius: 50%; 
    background: var(--circle-bg); 
    z-index: 1; 
}

.skill-text { 
    position: relative;
     z-index: 2; 
     text-align: center; 
     color: var(--skill-text-color); }

.skill-number { 
    font-weight: bold; 
    font-size: 1.4rem; 
    color: var(--skill-text-color); }

.skill-name { 
    font-weight: 600; 
    font-size: 1rem; 
    color: var(--skill-text-color); 
    text-align: center; 
    margin-top: 0.8rem; 
    width: 100%; }

/* CALLOUT */
 .skill-contrib-callout {
    position: absolute;
    bottom: 100%;
    left: 50%;
    background-color: #FFA500;
    color: #1a1a1a;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    white-space: normal;
    max-width: 220px;
    width: max-content;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px) scale(0.8);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.skill-contrib-callout::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 12px;
    height: 12px;
    background-color: #FFA500;
    transform: translateX(-50%) rotate(45deg);
    z-index: -1;
}

.skill-item.highlight .skill-contrib-callout {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -15px) scale(1);
}

/* TOOLTIP */
.skill-tooltip { 
    position: absolute;
    bottom: -55px; 
    background: var(--text-color); 
    color: var(--bg-color); 
    padding: 0.6rem; 
    border-radius: 6px; 
    font-size: 0.8rem; 
    width: 180px; 
    text-align: center; 
    opacity: 0; 
    visibility: hidden; 
    transition: 0.3s; 
    z-index: 5; 
    pointer-events: none; 
}

/* LEGENDA */
.legend-box { 
    background: var(--sidebar-bg); 
    padding: 1.2rem; 
    border-radius: 10px; 
    border: 1px solid var(--border-color); 
    margin-bottom: 4rem; 
}

.legend-box ul { 
    list-style: none; 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 0.8rem; 
    margin-top: 0.8rem; 
    font-size: 0.85rem; 
    opacity: 0.8;
 }

/* ACORDEÕES E TAGS */
.accordion { 
    border-bottom: 1px solid var(--border-color); 
    padding: 0.5rem 0; 
    margin-bottom: 1rem;
 }

.accordion summary { 
    font-weight: bold; 
    cursor: pointer; 
    list-style: none; 
    padding: 1rem 0; 
    display: flex; 
    justify-content: space-between; 
    font-size: 1.2rem;
 }

.accordion summary::after { 
    content: "▼"; 
    color: var(--primary-orange); 
    transition: 0.3s; }

.accordion[open] summary::after { transform: rotate(180deg); }

.accordion-content { padding-bottom: 1.5rem; }

.stacks-container { 
    margin: 1.2rem 0; 
    display: flex; 
    flex-wrap: wrap; 
    gap: 0.6rem; 
    align-items: center;
 }

.soft-skills-container {
    margin: 0.5rem 0 1.5rem 0;
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.8;
}

.soft-skills-container strong {
    margin-right: 0.5rem;
}

.soft-skills-container span {
    opacity: 0.85; 
    margin: 0 0.3rem;
}

button.skill-tag { 
    background: var(--tag-bg); 
    padding: 0.4rem 0.9rem; 
    border-radius: 20px; 
    font-size: 0.85rem; 
    font-weight: 600; 
    cursor: pointer; 
    border: 1px solid transparent; 
    transition: 0.2s; 
    font-family: inherit; color: var(--text-color); 
}
button.skill-tag:hover { 
    border-color: var(--primary-orange); 
    color: var(--primary-orange); 
    transform: translateY(-3px); 
}

/* SIDEBAR E LINKS */
.profile-pic { 
    width: 100%; 
    max-width: 200px; 
    aspect-ratio: 1 / 1; 
    height: auto; 
    border-radius: 50%; 
    border: 5px solid var(--primary-orange); 
    margin: 0 auto 2.5rem; 
    display: block; 
    object-fit: cover; 
}

.sidebar-section { margin-bottom: 2.5rem; }

.sidebar-section h3 { 
    font-size: 1.2rem; 
    margin-bottom: 1rem; 
    border-bottom: 2px solid rgba(0,0,0,0.04); 
    padding-bottom: 0.5rem; 
}

.sidebar-section h3::after { 
    content: ""; 
    display: block; 
    height: 2px; 
    background: var(--primary-orange); 
    width: 36px; 
    margin-top: 0.6rem; 
}


.edu-item1,
.edu-item2 { margin-bottom: 0.8rem; }
.edu-item1 p,
.edu-item2 p { margin-bottom: 0.2rem; }
.edu-item1 small,
.edu-item2 small { 
    display: block; 
    margin-top: 0; 
    color: var(--text-color); 
    opacity: 0.85; 
    font-size: 0.9rem; }

.contact-list { list-style: none; padding: 0; }

.contact-list li { margin-bottom: 0.8rem; }

.contact-list li p { 
    display: flex; 
    align-items: center; 
    gap: 0.8rem; 
    margin: 0; 
    color: var(--text-color); 
    font-weight: 400; 
    font-size: 0.95rem;
 }

.contact-list li a { 
    display: flex; 
    align-items: center; 
    gap: 0.8rem; 
    color: var(--text-color); 
    text-decoration: none; 
    font-weight: 400; 
    font-size: 0.95rem; 
}

.contact-list li a:hover { text-decoration: underline; color: var(--primary-orange); }

.contact-list li img { 
    width: 34px; 
    height: 34px; 
    object-fit: contain; 
    border-radius: 8px; }

.project-link { 
    color: var(--primary-orange); 
    text-decoration: none; 
    font-weight: bold; 
    display: inline-block; 
    margin-top: 10px; 
}

.project-link:hover { text-decoration: underline; }


:focus-visible {
    outline: 3px solid var(--primary-orange);
    outline-offset: 4px;
    border-radius: 4px;
}

.skill-item:hover .skill-tooltip,
.skill-item:focus-within .skill-tooltip,
.skill-item:focus .skill-tooltip {
    opacity: 1;
    visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


@media (max-width: 1000px) {
    .layout-container { grid-template-columns: 1fr; }

    .sidebar { 
        order: -1; 
        border-left: none; 
        border-bottom: 1px solid var(--border-color); 
        padding: 3rem; 
        text-align: center;
     }
     
    .main-content { padding: 2.5rem; }

    .legend-box ul { grid-template-columns: 1fr; }

    .skills-grid { 
        grid-template-columns: repeat(2, 1fr); 
        justify-items: center; }
}

@media (max-width: 1400px) {
    .skills-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
    .skills-grid { grid-template-columns: 1fr; }
}