/* ---- Topnav ---- */
.topnav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.topnav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    gap: 16px;
}
.brand {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--fg-bright);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.brand .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--muted);
    padding: 7px 11px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}
.nav-links a:hover {
    color: var(--fg-bright);
    background: var(--surface);
}
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 2px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}
.lang-toggle button {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 4px 9px;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    transition: all 0.15s;
}
.lang-toggle button[aria-pressed="true"] {
    background: var(--accent);
    color: var(--bg);
    font-weight: 600;
}
.nav-burger {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* ---- Hero ---- */
.hero {
    padding: 84px 0 64px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        900px 500px at 80% -10%,
        rgba(63, 185, 80, 0.07),
        transparent 70%
    );
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
}
.hero-prompt {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 18px;
}
.hero-prompt .who {
    color: var(--muted);
}
.hero-name {
    font-family: var(--font-mono);
    font-size: clamp(2.1rem, 6vw, 3.4rem);
    font-weight: 700;
    color: var(--fg-bright);
    line-height: 1.05;
    letter-spacing: -0.02em;
}
.hero-title {
    font-family: var(--font-mono);
    font-size: clamp(0.92rem, 2.4vw, 1.1rem);
    color: var(--accent);
    margin-top: 12px;
    font-weight: 500;
}
.hero-impact {
    color: var(--muted);
    margin-top: 18px;
    max-width: 48ch;
    font-size: 1.02rem;
}
.hero-ctas {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
}
.hero-socials {
    display: flex;
    gap: 18px;
    margin-top: 26px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
}
.hero-socials a {
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero-socials a:hover {
    color: var(--accent);
}

/* ---- Pudim / featured side project ---- */
.featured {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: block;
}
.feat-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}
.feat-name {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--fg-bright);
    font-weight: 600;
    margin-bottom: 6px;
}
.feat-desc {
    color: var(--muted);
    margin-bottom: 12px;
    font-size: 0.85rem;
}
.feat-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.stat {
    font-family: var(--font-mono);
}
.stat-num {
    font-size: 0.85rem;
    color: var(--fg-bright);
    font-weight: 600;
}
.stat-lbl {
    font-size: 0.66rem;
    color: var(--muted);
    display: block;
    margin-top: 2px;
}
.feat-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.feat-links .btn {
    font-size: 0.8rem;
    padding: 6px 12px;
}
.feat-term {
    margin-top: 12px;
}
.feat-term .term-body {
    min-height: auto;
    padding: 10px 12px;
}
.feat-term .ln {
    font-size: 0.78rem;
}

/* ---- Kitchen / hobby ---- */
.kitchen-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.k-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    display: flex;
    flex-direction: column;
    transition:
        transform 0.18s,
        border-color 0.18s;
}
.k-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}
.k-truffle:hover {
    border-color: var(--amber);
}
.k-bbq:hover {
    border-color: var(--accent);
}
.k-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.k-emoji {
    font-size: 0.6rem;
    color: var(--muted);
}
.k-truffle .k-emoji {
    color: var(--amber);
}
.k-bbq .k-emoji {
    color: var(--accent);
}
.k-name {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--fg-bright);
    font-weight: 600;
    margin: 0;
}
.k-tag {
    margin-left: auto;
}
.k-desc {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 14px;
    max-width: 50ch;
}
.k-term {
    margin-bottom: 14px;
}
.k-term .ln {
    font-size: 0.78rem;
}
.k-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}
.k-outro {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 22px;
    text-align: center;
}

/* ---- Skills ---- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.skill-cat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.skill-cat h3 {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--amber);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.skill-cat h3::before {
    content: ">";
    color: var(--muted);
}
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

/* ---- Contact (WhatsApp) ---- */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}
.contact-cta {
    font-family: var(--font-mono);
    color: var(--fg-bright);
    font-size: 1.3rem;
    margin-bottom: 16px;
}
.contact-links {
    list-style: none;
}
.contact-links li {
    margin-bottom: 10px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}
.contact-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--fg);
}
.contact-links a:hover {
    color: var(--accent);
}
.wa-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--fg);
}
.wa-link:hover {
    color: var(--accent);
}
.wa-icon {
    display: inline-flex;
    align-items: center;
    color: var(--accent);
}
.wa-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}
.wa-label {
    font-size: 0.9rem;
}
.wa-num {
    font-size: 0.78rem;
    color: var(--muted);
}
.wa-arrow {
    margin-left: auto;
    color: var(--muted);
}
.wa-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--muted);
}
.wa-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: blink 1.1s steps(1) infinite;
}
.wa-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 20px;
}
.wa-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.wa-card-prompt {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.84rem;
}
.wa-card-dots {
    display: flex;
    gap: 4px;
}
.wa-card-dots i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--muted);
}
.wa-line {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 6px;
}
.wa-in {
    color: var(--muted);
}
.wa-out {
    color: var(--accent);
}
.wa-btn {
    width: 100%;
    justify-content: center;
    margin-top: 16px;
}

/* ---- Immersive background ---- */
#bg-layer {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
    background: var(--bg);
}
#bg-grid {
    position: absolute;
    inset: -2px;
    background-image:
        linear-gradient(rgba(63, 185, 80, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(63, 185, 80, 0.035) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: 0.55;
    mask-image: radial-gradient(
        ellipse 80% 80% at 50% 40%,
        #000 30%,
        transparent 90%
    );
    -webkit-mask-image: radial-gradient(
        ellipse 80% 80% at 50% 40%,
        #000 30%,
        transparent 90%
    );
    animation: gridDrift 28s linear infinite;
}
@keyframes gridDrift {
    to {
        background-position: 42px 42px;
    }
}
#bg-aurora {
    position: absolute;
    inset: -20%;
    background:
        radial-gradient(
            40% 40% at var(--ax, 20%) var(--ay, 30%),
            rgba(63, 185, 80, 0.1),
            transparent 60%
        ),
        radial-gradient(
            35% 35% at var(--bx, 80%) var(--by, 70%),
            rgba(210, 153, 34, 0.07),
            transparent 60%
        ),
        radial-gradient(
            30% 30% at var(--cx, 50%) var(--cy, 50%),
            rgba(57, 197, 207, 0.05),
            transparent 60%
        );
    filter: blur(20px);
    transition: background-position 0.4s ease-out;
}
#bg-rain {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
}
#bg-scan {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.012) 0 1px,
        transparent 1px 3px
    );
    mix-blend-mode: overlay;
    opacity: 0.6;
}
#bg-vign {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse 100% 80% at 50% 50%,
        transparent 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
}
body {
    background: transparent;
}
@media (prefers-reduced-motion: reduce) {
    .hero::before {
        display: none;
    }
    #bg-grid {
        animation: none;
    }
    #bg-aurora {
        transition: none;
    }
    #bg-rain {
        display: none;
    }
}

/* ---- Responsive (sections) ---- */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .kitchen-grid {
        grid-template-columns: 1fr;
    }
    .contact-wrap {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 10px;
        gap: 2px;
        align-items: stretch;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        padding: 10px 12px;
    }
    .nav-burger {
        display: inline-block;
    }
}
@media (max-width: 600px) {
    .hero {
        padding: 54px 0 40px;
    }
    .featured {
        padding: 16px;
    }
    .skill-cat,
    .card {
        padding: 16px;
    }
    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-ctas .btn {
        justify-content: center;
    }
    .lang-toggle {
        margin-left: auto;
    }
}