/* ============================
   VARIABLES
   ============================ */
:root {
    --bg:          #0f172a;
    --bg-dark:     #080d18;
    --bg-card:     #1e293b;
    --bg-card-2:   #1a2340;

    --border:      rgba(34, 211, 238, 0.10);
    --border-md:   rgba(34, 211, 238, 0.22);
    --border-hi:   rgba(34, 211, 238, 0.42);

    --acento:      #22d3ee;
    --acento-lt:   #67e8f9;
    --acento-bg:   rgba(34, 211, 238, 0.08);

    --txt:         #e2e8f0;
    --txt-sec:     #94a3b8;
    --txt-muted:   #64748b;

    --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono:        'JetBrains Mono', 'Fira Code', monospace;

    --max-w:       1200px;
    --ease:        cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
    --t:           0.3s;

    --r-sm:  8px;
    --r-md:  14px;
    --r-lg:  20px;
    --r-pill: 999px;

    --shadow:      0 4px 24px rgba(0,0,0,0.45);
    --shadow-lg:   0 8px 48px rgba(0,0,0,0.55);
    --glow:        0 0 28px rgba(34,211,238,0.12);
}

/* ============================
   BASE RESET
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 68px; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--txt);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img  { display: block; max-width: 100%; }
a    { color: inherit; text-decoration: none; }
pre  { white-space: pre; overflow-x: auto; }
code { font-family: var(--mono); }

/* ============================
   LAYOUT HELPERS
   ============================ */
.container {
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: clamp(20px, 4vw, 48px);
}
.accent { color: var(--acento); }

.section { padding-block: 100px; }

.section-alt {
    background: rgba(255,255,255,0.018);
    position: relative;
}
.section-alt::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(34,211,238,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
    display: block;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--acento);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-title {
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--txt);
}
.section-sub {
    margin-top: 16px;
    color: var(--txt-sec);
    max-width: 500px;
    margin-inline: auto;
}

/* ============================
   REVEAL ANIMATION
   ============================ */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible   { opacity: 1; transform: none; }
.reveal-delay     { transition-delay: 0.18s; }

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

/* ============================
   HEADER
   ============================ */
#header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
#header.scrolled {
    box-shadow: 0 4px 28px rgba(0,0,0,0.45);
    border-bottom-color: var(--border-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--acento);
    transition: opacity var(--t);
}
.nav-logo:hover { opacity: 0.75; }
.logo-bracket   { opacity: 0.55; }

.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-link {
    position: relative;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--txt-sec);
    padding: 6px 14px;
    border-radius: var(--r-sm);
    transition: color var(--t) var(--ease);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 14px; right: 14px;
    height: 2px;
    background: var(--acento);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--t) var(--ease);
}
.nav-link:hover        { color: var(--txt); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active-nav   { color: var(--acento); }

.btn-nav {
    background: var(--acento-bg) !important;
    border: 1px solid var(--border-md);
    color: var(--acento) !important;
    margin-left: 8px;
}
.btn-nav:hover { background: rgba(34,211,238,0.16) !important; }
.btn-nav::after { display: none; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--r-sm);
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--txt);
    border-radius: 2px;
    transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    z-index: 149;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t) var(--ease);
}
.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Drawer */
.nav-drawer {
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    width: min(300px, 85vw);
    background: #0b1324;
    border-left: 1px solid var(--border);
    z-index: 200;
    padding: 80px 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-out);
}
.nav-drawer.active { transform: translateX(0); }

.drawer-close {
    position: absolute;
    top: 18px; right: 18px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--txt-sec);
    padding: 8px;
    border-radius: var(--r-sm);
    line-height: 1;
    transition: color var(--t);
}
.drawer-close:hover { color: var(--txt); }

.drawer-link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--txt-sec);
    padding: 12px 16px;
    border-radius: var(--r-sm);
    border-left: 2px solid transparent;
    transition: color var(--t), background var(--t), border-color var(--t);
}
.drawer-link:hover {
    color: var(--acento);
    background: var(--acento-bg);
    border-left-color: var(--acento);
}

/* ============================
   HERO
   ============================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: 120px 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(34,211,238,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,0.035) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    top: -15%; right: -8%;
    width: 640px; height: 640px;
    background: radial-gradient(circle, rgba(34,211,238,0.055) 0%, transparent 68%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--acento-bg);
    border: 1px solid var(--border-md);
    border-radius: var(--r-pill);
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--acento);
    margin-bottom: 28px;
    width: fit-content;
}
.badge-dot {
    width: 8px; height: 8px;
    background: #22c55e;
    border-radius: 50%;
    flex-shrink: 0;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.55; transform:scale(.8); }
}

/* Heading */
.hero-title {
    font-size: clamp(2.8rem, 5.5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -2px;
    margin-bottom: 22px;
    color: var(--txt);
}
.hero-title .accent { display: block; }

/* Roles */
.hero-roles {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}
.role-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--acento);
    background: var(--acento-bg);
    border: 1px solid var(--border);
    padding: 4px 14px;
    border-radius: var(--r-pill);
    letter-spacing: 0.4px;
}
.role-sep { color: var(--txt-muted); }

/* Description */
.hero-desc {
    font-size: 1rem;
    color: var(--txt-sec);
    line-height: 1.85;
    max-width: 460px;
    margin-bottom: 40px;
}

/* CTA Buttons */
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 13px 28px;
    background: var(--acento);
    color: #0b1222;
    font-weight: 700;
    font-size: 0.88rem;
    border-radius: var(--r-sm);
    letter-spacing: 0.3px;
    transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.btn-primary:hover {
    background: var(--acento-lt);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(34,211,238,0.32);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border: 1.5px solid var(--border-md);
    color: var(--txt-sec);
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: var(--r-sm);
    transition: border-color var(--t), color var(--t), transform var(--t);
}
.btn-outline:hover {
    border-color: var(--acento);
    color: var(--acento);
    transform: translateY(-2px);
}

/* Hero Visual Column */
.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.hero-photo-wrap {
    position: relative;
    width: 200px; height: 200px;
}
.photo-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid var(--acento);
    opacity: 0.35;
    animation: spin-ring 12s linear infinite;
}
.photo-ring::before {
    content: '';
    position: absolute;
    top: -3px; left: 50%;
    transform: translateX(-50%);
    width: 9px; height: 9px;
    background: var(--acento);
    border-radius: 50%;
    box-shadow: var(--glow);
}
@keyframes spin-ring { to { transform: rotate(360deg); } }

.hero-photo {
    width: 200px; height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(34,211,238,0.22);
    box-shadow: 0 0 40px rgba(34,211,238,0.13), var(--shadow-lg);
}
.photo-status {
    position: absolute;
    bottom: 10px; right: 10px;
    width: 16px; height: 16px;
    background: #22c55e;
    border-radius: 50%;
    border: 3px solid var(--bg);
    animation: pulse-status 2.5s ease-in-out infinite;
}
@keyframes pulse-status {
    0%,100% { box-shadow: 0 0 8px rgba(34,197,94,0.5); }
    50%      { box-shadow: 0 0 18px rgba(34,197,94,0.85); }
}

/* Terminal card */
.terminal-card {
    width: 100%;
    max-width: 340px;
    background: #0c1828;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    box-shadow: var(--shadow), var(--glow);
}
.terminal-header {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    background: #091220;
    border-bottom: 1px solid var(--border);
}
.dot        { width: 11px; height: 11px; border-radius: 50%; }
.dot-red    { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green  { background: #22c55e; }
.terminal-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--txt-muted);
    margin-left: auto;
}
.terminal-body {
    padding: 16px 18px;
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.75;
    overflow-x: auto;
}
.terminal-body code { display: block; }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 28px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--txt-muted);
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    animation: bob 2.2s ease-in-out infinite;
}
.scroll-line {
    width: 1px; height: 38px;
    background: linear-gradient(to bottom, transparent, var(--acento));
    border-radius: 1px;
}
@keyframes bob {
    0%,100% { opacity: .45; transform: translateX(-50%) translateY(0); }
    50%      { opacity: .9;  transform: translateX(-50%) translateY(-5px); }
}

/* ============================
   SYNTAX HIGHLIGHT
   ============================ */
.c-kw      { color: #c792ea; }
.c-type    { color: #ffcb6b; }
.c-str     { color: #c3e88d; }
.c-num     { color: #f78c6c; }
.c-comment { color: #546e7a; font-style: italic; }
.c-var     { color: #f07178; }
.c-key     { color: #82aaff; }
.c-op      { color: #89ddff; }
.c-fn      { color: #82aaff; }
.c-bool    { color: #f78c6c; }

/* ============================
   TECH CARDS
   ============================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
}
.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 28px 16px 22px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--t) var(--ease),
                border-color var(--t) var(--ease),
                box-shadow var(--t) var(--ease);
}
.tech-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--acento), transparent);
    opacity: 0;
    transition: opacity var(--t);
}
.tech-card:hover {
    transform: translateY(-7px);
    border-color: var(--border-md);
    box-shadow: 0 14px 36px rgba(0,0,0,0.3), 0 0 24px rgba(34,211,238,0.07);
}
.tech-card:hover::before { opacity: 1; }

.tech-icon {
    width: 58px; height: 58px;
    border-radius: var(--r-sm);
    background: var(--acento-bg);
    border: 1px solid var(--border);
    display: grid;
    place-items: center;
    margin-inline: auto;
    margin-bottom: 16px;
    transition: background var(--t), border-color var(--t);
}
.tech-card:hover .tech-icon {
    background: rgba(34,211,238,0.14);
    border-color: var(--border-md);
}
.tech-name { font-size: 0.88rem; font-weight: 700; color: var(--txt);     margin-bottom: 4px; }
.tech-desc { font-size: 0.72rem; color: var(--txt-muted); }

/* ============================
   TABS
   ============================ */
.tabs-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
}
.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.015);
    padding: 10px 10px 0;
    gap: 2px;
}
.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--txt-muted);
    padding: 10px 18px;
    border-radius: var(--r-sm) var(--r-sm) 0 0;
    margin-bottom: -1px;
    transition: color var(--t), background var(--t), border-color var(--t);
}
.tab-btn:hover         { color: var(--txt-sec); background: rgba(255,255,255,0.04); }
.tab-btn.active        { color: var(--acento); border-bottom-color: var(--acento); background: rgba(34,211,238,0.06); }

.tabs-body { padding: 40px; }

.tab-panel        { display: none; }
.tab-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.tab-title { font-size: 1.25rem; font-weight: 700; color: var(--txt); margin-bottom: 12px; }
.tab-desc  { font-size: 0.9rem; color: var(--txt-sec); line-height: 1.75; margin-bottom: 18px; }
.tab-list  { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.tab-list li {
    font-size: 0.86rem;
    color: var(--txt-sec);
    padding-left: 20px;
    position: relative;
    line-height: 1.65;
}
.tab-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--acento);
    font-size: 1.15rem;
    line-height: 1.35;
    font-weight: 700;
}

/* Code blocks */
.code-block-wrap {
    background: #0c1117;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
}
.code-block-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: #080e14;
    border-bottom: 1px solid var(--border);
}
.code-lang {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--r-pill);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.java-lang   { background: rgba(249,115,22,.1);  color:#fb923c; border:1px solid rgba(249,115,22,.22);  }
.cs-lang     { background: rgba(168,85,247,.1);  color:#c084fc; border:1px solid rgba(168,85,247,.22);  }
.sql-lang    { background: rgba(34,197,94,.1);   color:#4ade80; border:1px solid rgba(34,197,94,.22);   }
.py-lang     { background: rgba(234,179,8,.1);   color:#facc15; border:1px solid rgba(234,179,8,.22);   }
.dart-lang   { background: rgba(34,211,238,.1);  color:#22d3ee; border:1px solid rgba(34,211,238,.22);  }
.unity-lang  { background: rgba(148,163,184,.1); color:#94a3b8; border:1px solid rgba(148,163,184,.22); }
.web-lang    { background: rgba(250,204,21,.1);  color:#fbbf24; border:1px solid rgba(250,204,21,.22);  }

.code-file {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--txt-muted);
    margin-left: auto;
}
.code-block {
    padding: 20px;
    font-family: var(--mono);
    font-size: 0.76rem;
    line-height: 1.8;
    overflow-x: auto;
    color: var(--txt-sec);
    margin: 0;
}
.code-block code { display: block; }

/* ============================
   PUBLICATIONS
   ============================ */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 310px), 1fr));
    gap: 16px;
}
.pub-card {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 22px;
    transition: transform var(--t) var(--ease),
                border-color var(--t) var(--ease),
                box-shadow var(--t) var(--ease);
}
.pub-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-md);
    box-shadow: 0 14px 36px rgba(0,0,0,0.3), 0 0 22px rgba(34,211,238,0.06);
}
.pub-icon {
    width: 50px; height: 50px;
    border-radius: var(--r-sm);
    background: var(--acento-bg);
    border: 1px solid var(--border);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    transition: background var(--t), border-color var(--t);
}
.pub-card:hover .pub-icon {
    background: rgba(34,211,238,0.14);
    border-color: var(--border-md);
}
.pub-info     { flex: 1; min-width: 0; }
.pub-title    { font-size: 0.98rem; font-weight: 700; color: var(--txt); margin-bottom: 4px; }
.pub-desc     { font-size: 0.8rem; color: var(--txt-muted); line-height: 1.5; margin-bottom: 9px; }
.pub-tag {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--acento);
    background: var(--acento-bg);
    border: 1px solid var(--border);
    padding: 2px 10px;
    border-radius: var(--r-pill);
}
.pub-arrow {
    color: var(--txt-muted);
    flex-shrink: 0;
    transition: color var(--t), transform var(--t);
}
.pub-card:hover .pub-arrow {
    color: var(--acento);
    transform: translate(3px, -3px);
}

/* ============================
   CONTACTS
   ============================ */
.contatos-section {
    background: radial-gradient(ellipse at 50% 0%, rgba(34,211,238,0.045) 0%, transparent 62%);
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    max-width: 860px;
    margin-inline: auto;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 22px 24px;
    transition: transform var(--t) var(--ease),
                border-color var(--t) var(--ease),
                box-shadow var(--t) var(--ease);
}
.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-md);
    box-shadow: 0 14px 36px rgba(0,0,0,0.3), var(--glow);
}
.contact-icon {
    width: 46px; height: 46px;
    border-radius: var(--r-sm);
    background: var(--acento-bg);
    border: 1px solid var(--border-md);
    display: grid;
    place-items: center;
    color: var(--acento);
    flex-shrink: 0;
    transition: background var(--t);
}
.contact-card:hover .contact-icon { background: rgba(34,211,238,0.18); }
.contact-info { flex: 1; }
.contact-platform {
    display: block;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--txt-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 3px;
}
.contact-handle {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--txt);
}
.contact-arrow {
    color: var(--txt-muted);
    flex-shrink: 0;
    transition: color var(--t), transform var(--t);
}
.contact-card:hover .contact-arrow {
    color: var(--acento);
    transform: translate(3px, -3px);
}

/* ============================
   FOOTER
   ============================ */
.footer { background: var(--bg-dark); }
.footer-accent-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--acento), transparent);
    opacity: 0.28;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 26px;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-logo { font-family: var(--mono); font-size: 0.88rem; color: var(--acento); }
.footer-copy { font-size: 0.8rem; color: var(--txt-muted); }

/* ============================
   RESPONSIVE
   ============================ */

/* ── 1100px — tablet landscape ── */
@media (max-width: 1100px) {
    .tech-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── 900px — tablet portrait ── */
@media (max-width: 900px) {
    .nav-links   { display: none; }
    .hamburger   { display: flex; }
    .nav-overlay { display: block; }

    .hero-grid  { grid-template-columns: 1fr; text-align: center; }
    .hero-badge { margin-inline: auto; }
    .hero-roles { justify-content: center; }
    .hero-desc  { margin-inline: auto; }
    .hero-ctas  { justify-content: center; }
    .hero-visual { order: -1; }

    .contact-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
    .contact-card { max-width: 100%; }
}

/* ── 720px — large mobile / small tablet ── */
@media (max-width: 720px) {
    .section  { padding-block: 64px; }
    .section-header { margin-bottom: 40px; }

    .tab-panel.active { grid-template-columns: 1fr; }
    .tabs-body        { padding: 24px 18px; }

    /* Tabs nav: horizontal scroll em vez de quebrar linha */
    .tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 0;
        gap: 0;
    }
    .tabs-nav::-webkit-scrollbar { display: none; }
    .tab-btn { flex-shrink: 0; }

    .hero-scroll-indicator { display: none; }

    /* Code blocks: scroll suave no iOS */
    .code-block {
        -webkit-overflow-scrolling: touch;
        font-size: 0.72rem;
    }
    .terminal-body { font-size: 0.7rem; }
}

/* ── 640px — mobile comum ── */
@media (max-width: 640px) {
    .tech-grid    { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .tech-card    { padding: 22px 12px 18px; }

    .pub-grid     { grid-template-columns: 1fr; }
    .pub-card     { gap: 14px; padding: 18px; }
    .pub-desc     { display: none; } /* oculta descrição longa, mantém título e tag */

    .footer-inner { justify-content: center; text-align: center; }

    /* Hero visual: reduz foto e oculta terminal no mobile */
    .hero-photo-wrap { width: 160px; height: 160px; }
    .hero-photo      { width: 160px; height: 160px; }
    .terminal-card   { display: none; }

    .hero { padding-block: 100px 60px; }
}

/* ── 480px — mobile pequeno ── */
@media (max-width: 480px) {
    .container { padding-inline: 18px; }

    .hero-title { letter-spacing: -1.5px; }
    .hero-desc  { font-size: 0.92rem; }
    .hero-badge { font-size: 0.74rem; padding: 5px 14px; }

    .btn-primary,
    .btn-outline { padding: 12px 22px; font-size: 0.84rem; width: 100%; justify-content: center; }
    .hero-ctas   { flex-direction: column; gap: 10px; max-width: 280px; margin-inline: auto; }

    .section-title { font-size: 1.55rem; }

    .tech-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .tech-name { font-size: 0.8rem; }
    .tech-desc { font-size: 0.68rem; }

    .tab-btn { padding: 10px 14px; font-size: 0.76rem; }
    .tab-title { font-size: 1.1rem; }
    .tab-list li { font-size: 0.82rem; }

    .pub-card   { gap: 12px; }
    .pub-icon   { width: 42px; height: 42px; }
    .pub-title  { font-size: 0.9rem; }
    .pub-arrow  { display: none; }

    .contact-card    { padding: 18px 16px; gap: 12px; }
    .contact-icon    { width: 40px; height: 40px; }
    .contact-handle  { font-size: 0.85rem; }

    .tabs-body { padding: 20px 14px; }
    .code-block { font-size: 0.68rem; padding: 14px; }
    .code-block-header { padding: 8px 14px; }
}

/* ── 360px — telas muito pequenas ── */
@media (max-width: 360px) {
    .hero-photo-wrap { width: 140px; height: 140px; }
    .hero-photo      { width: 140px; height: 140px; }
    .section-label   { font-size: 0.7rem; letter-spacing: 2px; }
    .nav-logo        { font-size: 0.82rem; }
}