/* ======================
   GLOBAL
====================== */
:root {
    --background: hsl(222,47%,6%);
    --foreground: hsl(210,40%,96%);
    --card-bg: hsl(222,47%,9%);
    --primary: hsl(217,91%,60%);
    --accent: hsl(250, 77%, 34%);
    --border: hsl(217,30%,18%);
    --radius: 0.75rem;
}

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

body {
    font-family: sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: url("img/fundo.gif") no-repeat center center fixed;
    background-size: cover;
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: -1;
}

.section {
    padding: 5rem 1rem;
    max-width: 1100px;
    margin: auto;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ======================
   NAVBAR
====================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--foreground);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ======================
   HERO
====================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1rem 4rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

.hero-subtitle {
    font-size: 1.1rem;
}

/* ======================
   CARDS
====================== */
.about-cards {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.card {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--radius);
    width: 220px;
    text-align: center;
}

/* ======================
   GRID
====================== */
.repo-grid,
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.skill {
    background: var(--card-bg);
    padding: 1.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    transition: 0.3s ease;
}

.skill:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
}

.skill i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

/* =======================
   PROJECT CARDS
======================= */

.repo-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: 0.3s ease;
}

.repo-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

.repo-card h3 {
    margin-bottom: 0.5rem;
}

.repo-card a {
    color: var(--primary);
    text-decoration: none;
}

.repo-card p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ======================
   TIMELINE - LINHA DO TEMPO
====================== */

.timeline-container {
    position: relative;
    margin-top: 3rem;
    padding-left: 2.5rem;
}

/* Linha vertical */
.timeline-container::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
}

/* Item da timeline */
.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

/* Bolinha */
.timeline-item::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--background);
    border: 3px solid var(--primary);
    transition: 0.3s ease;
}

.timeline-item:hover::before {
    transform: scale(1.2);
    border-color: var(--accent);
}

/* Data / título */
.timeline-date {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

/* Caixa de descrição */
.timeline-desc {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: 0.3s ease;
}

.timeline-desc:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

/* ======================
   FORM
====================== */
form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 500px;
    margin: auto;
}

input, textarea {
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--foreground);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    display: inline-block;
}

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

.btn {
    background: var(--accent);
    color: white;
}

.secundary {
    background: var(--accent);
    color: white;
}

/* ======================
    CONTACT 
====================== */

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

.contact-info {
    text-align: center;
    max-width: 300px;
}

.contact-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
}

.contact-info h3 {
    margin-bottom: 5px;
}

.contact-email a {
    color: hsl(0, 0%, 100%);
    text-decoration: none;
    font-weight: bold;
}

.contact-email a:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 320px;
}

/* ======================
   RESPONSIVO
====================== */
@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .nav-links {
        flex-direction: column;
        position: absolute;
        top: 70px;
        right: 0;
        background: var(--card-bg);
        width: 100%;
        padding: 1rem;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .section {
        padding: 3rem 1rem;
    }
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
}