/* =========================================================
   Portfólio — Fabiano Silva
   Tema escuro, responsivo. Vanilla CSS (sem frameworks).
   ========================================================= */

:root {
    --bg:            #0d1117;
    --bg-alt:        #131a24;
    --surface:       #161f2b;
    --border:        #26303d;
    --text:          #e6edf3;
    --text-dim:      #8b98a9;
    --accent:        #38bdf8;
    --accent-2:      #22d3a6;
    --accent-soft:   rgba(56, 189, 248, 0.12);
    --radius:        14px;
    --maxw:          1080px;
    --shadow:        0 20px 45px -20px rgba(0, 0, 0, 0.6);
    --font:          'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-mono:     'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 24px;
}

/* ===== NAVBAR ===== */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 66px;
}
.nav__logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.nav__logo span { color: var(--accent); }
.nav__links { display: flex; gap: 28px; }
.nav__links a {
    color: var(--text-dim);
    font-size: 0.94rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav__links a:hover { color: var(--accent); }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 6px;
}
.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: clamp(60px, 12vw, 120px) 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(56, 189, 248, 0.10), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(34, 211, 166, 0.08), transparent 45%);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}
.hero__hello {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-bottom: 12px;
}
.hero__name {
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.05;
}
.hero__role {
    font-size: clamp(1.2rem, 3vw, 1.7rem);
    font-weight: 600;
    color: var(--text-dim);
    margin-top: 6px;
}
.hero__summary {
    margin-top: 22px;
    max-width: 520px;
    color: var(--text-dim);
    font-size: 1.02rem;
}
.hero__actions {
    display: flex;
    gap: 14px;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #06121b;
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -10px rgba(56, 189, 248, 0.6);
}
.btn--ghost {
    border-color: var(--border);
    color: var(--text);
}
.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Métricas */
.metrics {
    display: flex;
    gap: 34px;
    margin-top: 42px;
    list-style: none;
    flex-wrap: wrap;
}
.metrics__item { display: flex; flex-direction: column; }
.metrics__num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.metrics__label {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: 6px;
}

/* Code card */
.code-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.code-card__bar {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
}
.code-card__bar span {
    width: 12px; height: 12px; border-radius: 50%;
    background: #3a4656;
}
.code-card__bar span:nth-child(1) { background: #ff5f57; }
.code-card__bar span:nth-child(2) { background: #febc2e; }
.code-card__bar span:nth-child(3) { background: #28c840; }
.code-card__body {
    padding: 22px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.9;
    color: var(--text);
    overflow-x: auto;
}
.tk-key  { color: #c084fc; }
.tk-prop { color: #38bdf8; }
.tk-str  { color: #22d3a6; }

/* ===== SEÇÕES ===== */
.section { padding: clamp(60px, 9vw, 100px) 0; }
.section--alt { background: var(--bg-alt); }
.section__tag {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
}
.section__title {
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.8px;
    margin: 8px 0 34px;
}
.section__subtitle {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 56px 0 24px;
}

/* Sobre */
.about { max-width: 760px; }
.about p { color: var(--text-dim); margin-bottom: 16px; }
.about strong { color: var(--text); font-weight: 600; }
.about__block { margin-bottom: 34px; }
.about__block:last-of-type { margin-bottom: 0; }
.about__block-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    padding-left: 14px;
    border-left: 3px solid var(--accent);
}
.about__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    transition: border-color 0.2s, transform 0.15s, background 0.2s;
}
.about__link:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}
.about__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}
.chip {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(56, 189, 248, 0.25);
}

/* Skills */
.skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}
.skills__group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: transform 0.2s, border-color 0.2s;
}
.skills__group:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}
.skills__cat {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--accent);
}
.skills__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}
.skills__list li {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Timeline */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 6px; top: 6px; bottom: 6px;
    width: 2px;
    background: var(--border);
}
.timeline__item { position: relative; padding-bottom: 34px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
    position: absolute;
    left: -28px; top: 6px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.timeline__period {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
}
.timeline__role {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 4px;
}
.timeline__company {
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.92rem;
}
.timeline__desc {
    color: var(--text-dim);
    margin-top: 10px;
    max-width: 680px;
    font-size: 0.96rem;
}

/* Formação */
.education {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}
.education__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}
.education__item h4 { font-size: 1.02rem; font-weight: 600; }
.education__item span { color: var(--text-dim); font-size: 0.88rem; }

/* Contato */
.contato { text-align: center; }
.contato__text {
    max-width: 520px;
    margin: 0 auto;
    color: var(--text-dim);
}
.contato__actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 28px 0;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== ANIMAÇÃO DE ENTRADA ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVO ===== */
@media (max-width: 820px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__card { order: -1; }

    .nav__toggle { display: flex; }
    .nav__links {
        position: fixed;
        top: 66px; right: 0;
        flex-direction: column;
        background: var(--surface);
        border-left: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        padding: 24px 32px;
        gap: 20px;
        transform: translateX(110%);
        transition: transform 0.3s ease;
        border-bottom-left-radius: var(--radius);
    }
    .nav__links.is-open { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}