/* =========================================================
   TOKENS
========================================================= */
:root {
    --bg: #0a0d0b;
    --bg-alt: #0f1310;
    --surface: #12160f;
    --line: rgba(233, 245, 232, 0.09);
    --line-strong: rgba(233, 245, 232, 0.16);

    --text: #e9f0ec;
    --text-dim: #9caaa2;
    --text-faint: #5f6b64;

    --accent: #43ff7a;
    --accent-soft: rgba(67, 255, 122, 0.14);
    --accent-dim: #1e7a3e;
    --accent-glow: rgba(67, 255, 122, 0.35);

    --danger: #ff5f56;
    --warn: #ffbd2e;
    --ok: #27c93f;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 14px;
    --radius-sm: 8px;
    --container: 1180px;

    --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; }

::selection { background: var(--accent); color: #05130a; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

@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;
    }
}

/* subtle grain overlay for texture */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

/* =========================================================
   SHARED
========================================================= */
.section-tag {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 48px;
    letter-spacing: -0.01em;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 500;
    border: 1.5px solid transparent;
    transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}

.btn-primary {
    background: var(--accent);
    color: #06170c;
    box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -6px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--line-strong);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.social-icons { display: flex; gap: 14px; flex-wrap: wrap; }
.social-icons a {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1.5px solid var(--line-strong);
    color: var(--text-dim);
    transition: .25s var(--ease);
}
.social-icons a:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-4px);
}

/* =========================================================
   HEADER
========================================================= */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 200;
    background: rgba(10, 13, 11, 0.72);
    backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid var(--line);
}

.tabbar {
    max-width: var(--container);
    margin: 0 auto;
    padding: 18px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}
.logo-fn { color: var(--text); }
.logo-paren { color: var(--accent); }

.navigation {
    display: flex;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 4px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 8px 16px;
    border-radius: 7px;
    transition: .25s var(--ease);
    position: relative;
}
.nav-link:hover { color: var(--text); }
.nav-link.active {
    color: #06170c;
    background: var(--accent);
}

.btn-talk {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--bg);
    background: var(--accent);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: .25s var(--ease);
}
.btn-talk .prompt { opacity: .6; margin-right: 4px; }
.btn-talk:hover { transform: translateY(-2px); box-shadow: 0 8px 20px -6px var(--accent-glow); }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 6px;
}
.burger span {
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: .25s var(--ease);
}

/* =========================================================
   HERO
========================================================= */
.home {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 160px 100px 100px;
    max-width: var(--container);
    margin: 0 auto;
    overflow: hidden;
}

.home-bg-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.18;
    filter: blur(40px);
    pointer-events: none;
    z-index: 0;
}

.content { max-width: 520px; position: relative; z-index: 1; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(67,255,122,0.3);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
}
.eyebrow .dot {
    width: 7px; height: 7px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

.content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}
.content h1 .highlight { color: var(--accent); }

.typewriter-line {
    font-family: var(--font-mono);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-dim);
    font-weight: 500;
    margin-bottom: 24px;
    min-height: 1.6em;
}
.caret {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.lede {
    color: var(--text-dim);
    font-size: 1.02rem;
    margin-bottom: 34px;
    max-width: 480px;
}
.lede strong { color: var(--text); font-weight: 600; }

.btn-group {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* --- terminal mock --- */
.terminal-wrap {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    width: 480px;
}

.terminal {
    background: var(--bg-alt);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(67,255,122,0.05);
}

.terminal-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}
.terminal-dots { display: flex; gap: 7px; }
.terminal-dots span {
    width: 11px; height: 11px;
    border-radius: 50%;
    display: inline-block;
}
.terminal-dots span:nth-child(1) { background: var(--danger); }
.terminal-dots span:nth-child(2) { background: var(--warn); }
.terminal-dots span:nth-child(3) { background: var(--ok); }

.terminal-filename {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin-left: 4px;
}

.terminal-body {
    padding: 22px 24px;
    overflow-x: auto;
}
.terminal-body pre {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    line-height: 1.7;
    white-space: pre;
}
.terminal-body code { color: var(--text-dim); }

.c-key { color: #ff7ab8; }
.c-class { color: var(--accent); }
.c-fn { color: #7ec8ff; }
.c-self { color: #ff9d5c; }
.c-str { color: #ffd479; }
.c-bool { color: var(--accent); }
.c-comment { color: var(--text-faint); }
.c-out { color: var(--accent); font-weight: 600; }

.blink-block {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

.photo-badge {
    position: absolute;
    bottom: -34px;
    left: -34px;
    width: 92px;
    height: 92px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent);
    box-shadow: 0 0 0 6px var(--bg), 0 10px 30px -8px rgba(0,0,0,0.6);
}
.photo-badge img { width: 100%; height: 100%; object-fit: cover; }

/* =========================================================
   ABOUT
========================================================= */
.about {
    max-width: var(--container);
    margin: 0 auto;
    padding: 120px 100px;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 70px;
    align-items: start;
}

.about-photo-frame {
    aspect-ratio: 4/5;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line-strong);
    position: relative;
}
.about-photo-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10,13,11,0.5));
}
.about-photo-frame img { width: 100%; height: 100%; object-fit: cover; }

.about-text p {
    color: var(--text-dim);
    margin-bottom: 18px;
    font-size: 1.02rem;
    max-width: 620px;
}
.about-text strong { color: var(--text); font-weight: 600; }

.about-facts {
    display: flex;
    gap: 40px;
    margin-top: 36px;
    flex-wrap: wrap;
}
.fact { display: flex; flex-direction: column; gap: 4px; }
.fact-num {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}
.fact-label {
    font-size: 0.85rem;
    color: var(--text-faint);
}

.lang-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.lang-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text);
    border: 1px solid var(--line-strong);
    background: var(--bg-alt);
    padding: 6px 14px;
    border-radius: 999px;
}
.lang-tag em {
    color: var(--accent);
    font-style: normal;
}

/* =========================================================
   TRAJETÓRIA (timeline)
========================================================= */
.timeline-section {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 100px 120px;
}

.timeline-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.timeline-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--accent);
    margin-bottom: 28px;
}

.timeline-item {
    position: relative;
    padding-left: 22px;
    border-left: 2px solid var(--line-strong);
    padding-bottom: 30px;
}
.timeline-item::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--bg);
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-date {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    margin-bottom: 6px;
}
.timeline-date em { color: var(--text-faint); font-style: normal; }

.timeline-item h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.timeline-item p {
    color: var(--text-dim);
    font-size: 0.92rem;
}
.timeline-desc { margin-top: 6px; font-size: 0.88rem; }

.soft-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
}
.soft-skill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    padding: 8px 16px;
    border-radius: 999px;
}
.soft-skill i { color: var(--accent); }

/* =========================================================
   SKILLS
========================================================= */
.skills {
    max-width: var(--container);
    margin: 0 auto;
    padding: 40px 100px 120px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.skill-card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
    transition: .3s var(--ease);
}
.skill-card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px -20px rgba(0,0,0,0.6);
}
.skill-import {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.skill-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 8px;
}
.skill-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
}

/* =========================================================
   PROJECTS
========================================================= */
.projects {
    max-width: var(--container);
    margin: 0 auto;
    padding: 40px 100px 120px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    display: flex;
    flex-direction: column;
    transition: .3s var(--ease);
}
.project-card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px -20px rgba(0,0,0,0.6);
}

.project-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--accent);
}
.project-file {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
}

.project-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.project-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
    margin-bottom: 18px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    padding: 4px 10px;
    border-radius: 999px;
}

.project-links {
    display: flex;
    gap: 20px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}
.project-links a {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: .25s var(--ease);
}
.project-links a:hover { color: var(--accent); }

/* =========================================================
   CONTACT
========================================================= */
.contact {
    max-width: var(--container);
    margin: 0 auto;
    padding: 40px 100px 140px;
}

.contact-inner { max-width: 620px; }

.contact-sub {
    color: var(--text-dim);
    margin-bottom: 40px;
    max-width: 480px;
}

.contact-form { display: flex; flex-direction: column; gap: 22px; margin-bottom: 40px; }

.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
}
.form-row label .prompt { color: var(--accent); margin-right: 6px; }

.form-row input,
.form-row textarea {
    background: var(--bg-alt);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    resize: vertical;
    transition: .25s var(--ease);
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-faint); }
.form-row input:focus,
.form-row textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.btn-submit {
    align-self: flex-start;
    border: none;
}

.form-status { min-height: 1.2em; }

.success-card {
    margin-top: 6px;
    background: var(--accent-soft);
    border: 1px solid rgba(67, 255, 122, 0.35);
    border-radius: var(--radius);
    padding: 22px 24px;
    animation: fadeUp .4s var(--ease);
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.success-card .success-title {
    font-family: var(--font-mono);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.success-card .success-sub {
    color: var(--text-dim);
    font-size: 0.88rem;
    margin-bottom: 16px;
}
.success-card dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.success-card dt { color: var(--text-faint); }
.success-card dd { color: var(--text); word-break: break-word; }

.form-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    min-height: 1.2em;
}

.contact-social { margin-top: 8px; }

/* =========================================================
   FOOTER
========================================================= */
.footer {
    border-top: 1px solid var(--line);
    padding: 32px 100px;
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-faint);
}
.footer-code code {
    color: var(--accent);
    font-family: var(--font-mono);
}
.footer-copy {
    font-size: 0.82rem;
    color: var(--text-faint);
}

/* =========================================================
   SCROLL REVEAL
========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 1100px) {
    .home, .about, .timeline-section, .skills, .projects, .contact, .footer,
    .tabbar { padding-left: 40px; padding-right: 40px; }

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

@media (max-width: 980px) {
    .home {
        flex-direction: column-reverse;
        text-align: left;
        padding-top: 140px;
        gap: 60px;
    }
    .terminal-wrap { width: 100%; max-width: 480px; }
    .about-grid { grid-template-columns: 1fr; }
    .about-photo-frame { max-width: 320px; }
    .timeline-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px) {
    .navigation { display: none; }
    .btn-talk { display: none; }
    .burger { display: flex; }

    .tabbar { padding: 16px 24px; }
    .home, .about, .timeline-section, .skills, .projects, .contact, .footer {
        padding-left: 24px;
        padding-right: 24px;
    }

    .skills-grid, .projects-grid { grid-template-columns: 1fr; }

    .photo-badge { width: 72px; height: 72px; left: 16px; bottom: -24px; }

    .footer { flex-direction: column; text-align: center; }
}

/* mobile nav drawer */
.navigation.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 24px;
    right: 24px;
    flex-direction: column;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    padding: 10px;
}
.navigation.open .nav-link { padding: 12px 16px; }