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

:root {
    --bg: #0a0a0f;
    --bg-elev: #12121a;
    --bg-card: #16161f;
    --border: #23232e;
    --text: #e8e8f0;
    --text-muted: #8a8a9a;
    --accent: #7c5cff;
    --accent-2: #00d9b2;
    --gradient: linear-gradient(135deg, #7c5cff 0%, #00d9b2 100%);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.mono { font-family: 'JetBrains Mono', monospace; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ─── Navbar ─── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(10, 10, 15, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 1rem 0;
}

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

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img { width: 28px; height: 28px; object-fit: contain; }

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
    background: var(--gradient);
    color: #0a0a0f !important;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600 !important;
}

.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* Dropdown */
.nav-item { position: relative; }

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
}

.nav-dropdown-toggle:hover { color: var(--text); }

.nav-links li.active > .nav-dropdown-toggle { color: var(--text); }

.nav-dropdown-toggle .chevron {
    width: 12px; height: 12px;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.nav-item:hover .chevron,
.nav-item.open .chevron { transform: rotate(180deg); }

.nav-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 190px;
    z-index: 200;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -5px; left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px; height: 10px;
    background: var(--bg-elev);
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.nav-item:hover .nav-dropdown,
.nav-item.open .nav-dropdown { display: block; }

.nav-dropdown a {
    display: block;
    padding: 0.6rem 0.85rem;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
    white-space: nowrap;
}

.nav-dropdown a:hover { color: var(--text); background: var(--bg-card); }

/* ─── Hamburger ─── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.25s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Buttons ─── */
.btn {
    padding: 0.9rem 1.75rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary { background: var(--gradient); color: #0a0a0f; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(124, 92, 255, 0.3); }

.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-elev); border-color: var(--accent); }

.btn-whatsapp { background: #25d366; color: #0a0a0f; }
.btn-whatsapp:hover { background: #20bf5a; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,211,102,0.3); }
.btn-whatsapp svg { width: 20px; height: 20px; fill: currentColor; }

/* ─── Sections ─── */
section { padding: 6rem 0; position: relative; }

.section-header { text-align: center; margin-bottom: 4rem; }

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ─── Hero (home) ─── */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content { position: relative; text-align: center; max-width: 900px; }

.hero-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-tag span { color: var(--accent-2); font-weight: 600; }

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ─── Page hero (sub-páginas) ─── */
.page-hero {
    padding: 8rem 0 5rem;
    background: var(--bg-elev);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 500px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero .container { position: relative; }

.page-hero-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.page-hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }

.page-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

/* ─── Sobre ─── */
.sobre { background: var(--bg-elev); }

.sobre-wrapper { max-width: 860px; margin: 0 auto; text-align: center; }

.sobre-diagrama {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 0;
}

.diagrama-lado { min-width: 150px; text-align: center; flex-shrink: 0; }
.diagrama-lado p { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; font-family: 'JetBrains Mono', monospace; }

.diagrama-tag { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 1.75rem; font-weight: 700; letter-spacing: 0.06em; }
.diagrama-tag-in  { color: var(--accent); }
.diagrama-tag-out { color: var(--accent-2); }

.diagrama-trilho { flex: 1; height: 2px; position: relative; overflow: visible; }
.diagrama-trilho-in  { background: linear-gradient(90deg, rgba(124,92,255,0.15), rgba(124,92,255,0.5)); }
.diagrama-trilho-out { background: linear-gradient(90deg, rgba(0,217,178,0.5), rgba(0,217,178,0.15)); }

.diagrama-dot { position: absolute; top: 50%; width: 9px; height: 9px; border-radius: 50%; transform: translateY(-50%); }
.dot-in  { background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: dot-in 1.8s var(--d, 0s) infinite ease-in-out; }
.dot-out { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); animation: dot-out 1.8s var(--d, 0s) infinite ease-in-out; }

@keyframes dot-in  { 0% { left: 0%;   opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes dot-out { 0% { left: 0%;   opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

.diagrama-centro {
    width: 84px; height: 84px;
    background: var(--bg-card);
    border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; position: relative; z-index: 1;
    animation: centro-pulse 3s ease-in-out infinite alternate;
}

.diagrama-centro::before {
    content: ''; position: absolute; inset: -1px; border-radius: 21px;
    background: var(--gradient); z-index: -1; opacity: 0.6;
}

@keyframes centro-pulse {
    from { box-shadow: 0 0 20px rgba(124,92,255,0.25); }
    to   { box-shadow: 0 0 45px rgba(0,217,178,0.35); }
}

.diagrama-centro img { width: 46px; height: 46px; object-fit: contain; }

.sobre-texto { font-size: 1.05rem; color: var(--text-muted); line-height: 1.8; max-width: 620px; margin: 0 auto; }
.sobre-texto strong { color: var(--text); }
.sobre-texto .t-in  { color: var(--accent); font-weight: 600; }
.sobre-texto .t-out { color: var(--accent-2); font-weight: 600; }

/* Pillar cards */
.sobre-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 3rem 0 0;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
    transition: all 0.25s;
    text-align: left;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.pillar-card:hover { border-color: var(--accent); transform: translateY(-3px); }

.pillar-icon { font-size: 1.75rem; margin-bottom: 0.75rem; display: block; }

.pillar-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-2);
    margin-bottom: 0.35rem;
}

.pillar-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.6rem; }
.pillar-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

.pillar-items { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.85rem; }

.pillar-item {
    padding: 0.2rem 0.6rem;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.pillar-cta {
    margin-top: auto;
    padding-top: 1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    transition: color 0.2s;
}

.pillar-card:hover .pillar-cta { color: var(--accent-2); }

/* Instructor card */
.sobre-instructor {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    max-width: 720px;
    margin: 3.5rem auto 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.sobre-instructor::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 2px; background: var(--gradient);
}

.sobre-instructor-photo { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--border); }

.sobre-instructor-info { flex: 1; }

.sobre-instructor-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.4rem; }

.sobre-instructor-info h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 0; }
.sobre-instructor-info p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.25rem; }

.sobre-name-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0; flex-wrap: wrap; }
.sobre-name-row h3 { margin-bottom: 0; }

.sobre-socials { display: flex; gap: 0.5rem; align-items: center; }

.social-icon { display: inline-flex; align-items: center; justify-content: center; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.social-icon svg { width: 16px; height: 16px; fill: currentColor; }
.social-icon:hover { color: var(--text); }
.social-icon.yt:hover { color: #ff4040; }
.social-icon.li:hover { color: #3d9bff; }
.social-icon.ig:hover { color: #f06292; }
.social-icon.tw:hover { color: #1d9bf0; }
.social-icon.blog:hover { color: var(--accent-2); }

/* Bio animation */
.ee-cursor { display: inline-block; width: 2px; height: 1em; background: var(--accent-2); vertical-align: text-bottom; margin-left: 1px; animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.ee-error { display: none; margin-top: 1.75rem; padding: 0.45rem 0.75rem; background: rgba(248,81,73,0.1); border: 1px solid rgba(248,81,73,0.25); border-radius: 6px; color: #f85149; font-size: 0.78rem; font-family: 'JetBrains Mono', monospace; }
.ee-error.visible { display: block; }

/* ─── Meetups ─── */
.meetups { background: var(--bg); }

.meetups-list { display: flex; flex-direction: column; gap: 1rem; max-width: 800px; margin: 0 auto; }

.meetups-status { text-align: center; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; padding: 2rem 0; }

.meetup-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 1.75rem; display: grid; grid-template-columns: auto 1fr auto; gap: 1.5rem; align-items: center; transition: all 0.2s; }
.meetup-card:hover { border-color: var(--accent); transform: translateX(4px); }

.meetup-date { text-align: center; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 0.75rem 1rem; min-width: 80px; }
.meetup-date .day { display: block; font-size: 1.75rem; font-weight: 700; color: var(--accent-2); line-height: 1; }
.meetup-date .month { display: block; font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); font-weight: 600; letter-spacing: 0.1em; margin-top: 0.25rem; }

.meetup-info h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.35rem; }
.meetup-info p { color: var(--text-muted); font-size: 0.9rem; }
.meetup-info .meta { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; margin-top: 0.5rem; }

.meetup-badge { padding: 0.4rem 0.85rem; border-radius: 100px; font-size: 0.75rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.badge-online { background: rgba(0,217,178,0.15); color: var(--accent-2); }
.badge-presencial { background: rgba(124,92,255,0.15); color: var(--accent); }
.badge-gratuito { background: rgba(37,211,102,0.12); color: #25d366; }

/* ─── Clube do Livro ─── */
.clube-livro { background: var(--bg-elev); }

.livro-card { max-width: 800px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 2.5rem; display: grid; grid-template-columns: auto 1fr; gap: 2.5rem; align-items: start; position: relative; overflow: hidden; transition: border-color 0.3s; }
.livro-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--gradient); }
.livro-card:hover { border-color: var(--accent); }

.livro-cover { width: 140px; border-radius: 8px; box-shadow: 0 8px 32px rgba(0,0,0,0.5); flex-shrink: 0; }

.livro-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.85rem; background: rgba(0,217,178,0.15); color: var(--accent-2); border-radius: 100px; font-size: 0.75rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; margin-bottom: 1rem; }
.livro-badge::before { content: ''; width: 7px; height: 7px; background: var(--accent-2); border-radius: 50%; display: inline-block; }

.livro-info h3 { font-size: 1.4rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.5rem; }
.livro-info p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.65; margin-top: 1rem; }
.livro-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--accent-2); }

/* ─── Grupos / Community ─── */
.community { background: var(--bg); }

.community-box { max-width: 720px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 3rem; text-align: center; position: relative; overflow: hidden; }
.community-box::before { content: ''; position: absolute; top: -40%; left: -20%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(37,211,102,0.12) 0%, transparent 70%); pointer-events: none; }

.community-icon { width: 64px; height: 64px; border-radius: 16px; background: rgba(37,211,102,0.15); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; position: relative; }
.community-icon svg { width: 32px; height: 32px; fill: #25d366; }

.community-box h3 { font-size: 1.75rem; margin-bottom: 0.75rem; position: relative; }
.community-box > p { color: var(--text-muted); margin-bottom: 2rem; position: relative; max-width: 520px; margin-left: auto; margin-right: auto; }

.community-perks { display: flex; justify-content: center; gap: 2rem; margin-top: 2rem; flex-wrap: wrap; position: relative; }
.community-perks span { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
.community-perks span::before { content: '✓'; color: #25d366; font-weight: 700; }

/* ─── Newsletter ─── */
.newsletter-section { background: var(--bg-elev); }

.newsletter-box { max-width: 640px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 3rem; text-align: center; position: relative; overflow: hidden; }
.newsletter-box::before { content: ''; position: absolute; top: -50%; right: -30%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,217,178,0.1) 0%, transparent 70%); pointer-events: none; }

.newsletter-box h3 { font-size: 1.75rem; margin-bottom: 0.75rem; position: relative; }
.newsletter-box p { color: var(--text-muted); margin-bottom: 2rem; position: relative; }

.newsletter-form { display: flex; gap: 0.75rem; max-width: 480px; margin: 0 auto; position: relative; }
.newsletter-form input { flex: 1; padding: 0.9rem 1.25rem; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-size: 1rem; font-family: inherit; transition: border-color 0.2s; }
.newsletter-form input:focus { outline: none; border-color: var(--accent); }
.newsletter-form input::placeholder { color: var(--text-muted); }

.newsletter-perks { display: flex; justify-content: center; gap: 2rem; margin-top: 2rem; flex-wrap: wrap; position: relative; }
.newsletter-perks span { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
.newsletter-perks span::before { content: '✓'; color: var(--accent-2); font-weight: 700; }

.newsletter-msg { margin-top: 1rem; font-size: 0.9rem; color: var(--accent-2); opacity: 0; transition: opacity 0.3s; }
.newsletter-msg.visible { opacity: 1; }

/* ─── Flashcards ─── */
.flashcards { background: var(--bg); }

.flashcards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }

.flashcards-status { grid-column: 1 / -1; text-align: center; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; padding: 2rem 0; }

.flashcard-deck { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; position: relative; transition: all 0.3s; }
.flashcard-deck::before, .flashcard-deck::after { content: ''; position: absolute; left: 10px; right: 10px; height: 100%; border-radius: 16px; border: 1px solid var(--border); background: var(--bg-card); z-index: -1; transition: all 0.3s; }
.flashcard-deck::before { bottom: -6px; filter: brightness(0.85); }
.flashcard-deck::after  { bottom: -11px; left: 18px; right: 18px; filter: brightness(0.7); }
.flashcard-deck:hover { transform: translateY(-4px); border-color: var(--accent); }
.flashcard-deck:hover::before { bottom: -8px; }
.flashcard-deck:hover::after  { bottom: -14px; }

.flashcard-deck-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.flashcard-tag { padding: 0.2rem 0.65rem; background: rgba(124,92,255,0.12); color: var(--accent); border-radius: 100px; font-size: 0.72rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; }

.flashcard-deck h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; }
.flashcard-deck p  { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; margin-bottom: 1.5rem; }

.flashcard-deck-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 1.25rem; border-top: 1px solid var(--border); }

.flashcard-count { font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; color: var(--text-muted); }
.flashcard-count strong { color: var(--accent-2); }

.flashcard-download { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 1rem; background: var(--gradient); color: #0a0a0f; border-radius: 8px; font-size: 0.82rem; font-weight: 600; text-decoration: none; transition: all 0.2s; }
.flashcard-download:hover { opacity: 0.9; transform: translateY(-1px); }

.flashcard-download-soon { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 1rem; background: var(--bg-elev); color: var(--text-muted); border: 1px solid var(--border); border-radius: 8px; font-size: 0.82rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; cursor: default; }

/* ─── Cursos ─── */
.cursos { background: var(--bg); }

.cursos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }

.cursos-status { grid-column: 1 / -1; text-align: center; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; padding: 2rem 0; }

.curso-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; display: flex; flex-direction: column; gap: 1rem; transition: all 0.3s; position: relative; overflow: hidden; }
.curso-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--gradient); }
.curso-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 40px rgba(124,92,255,0.15); }

.curso-card-header { display: flex; align-items: center; gap: 1rem; }
.curso-icon { width: 48px; height: 48px; border-radius: 12px; object-fit: contain; background: var(--bg-elev); padding: 4px; flex-shrink: 0; }
.curso-title { font-size: 1.1rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.35rem; }
.curso-description { color: var(--text-muted); font-size: 0.9rem; line-height: 1.65; flex: 1; }
.curso-meta { display: flex; gap: 1rem; flex-wrap: wrap; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--text-muted); padding-top: 1rem; border-top: 1px solid var(--border); }

.curso-badge { display: inline-flex; align-items: center; padding: 0.2rem 0.65rem; border-radius: 100px; font-size: 0.72rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.badge-em-desenvolvimento { background: rgba(124,92,255,0.15); color: var(--accent); }
.badge-disponivel { background: rgba(0,217,178,0.15); color: var(--accent-2); }

.curso-instructor { display: flex; align-items: center; gap: 0.6rem; margin-top: auto; }
.curso-instructor-photo { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); flex-shrink: 0; }
.curso-instructor-name { font-size: 0.82rem; color: var(--text-muted); }

/* ─── papagali.ai ─── */
.papagali { background: var(--bg); }

.papagali-inner { max-width: 860px; margin: 0 auto; }

.papagali-hero-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 24px; padding: 3rem; position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 2.5rem; align-items: center; }
.papagali-hero-card::before { content: ''; position: absolute; top: -60%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,217,178,0.08) 0%, transparent 70%); pointer-events: none; }
.papagali-hero-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }

.papagali-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.papagali-label::before { content: ''; width: 7px; height: 7px; background: var(--accent-2); border-radius: 50%; flex-shrink: 0; animation: papagali-pulse 2s ease-in-out infinite; }

@keyframes papagali-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.papagali-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.papagali-desc { color: var(--text-muted); font-size: 1rem; line-height: 1.75; margin-bottom: 1.5rem; }

.papagali-status-tag { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 1rem; background: rgba(0,217,178,0.08); border: 1px solid rgba(0,217,178,0.2); border-radius: 100px; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--accent-2); }

.papagali-visual { flex-shrink: 0; width: 140px; height: 140px; background: var(--bg-elev); border-radius: 24px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); font-size: 4rem; user-select: none; }

.papagali-attributes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.papagali-attr { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem; }
.papagali-attr-label { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.35rem; }
.papagali-attr-value { font-size: 0.95rem; font-weight: 600; color: var(--text); }

/* ─── Footer ─── */
footer { border-top: 1px solid var(--border); padding: 3rem 0 2rem; text-align: center; color: var(--text-muted); font-size: 0.9rem; }
footer .logo { justify-content: center; margin-bottom: 1rem; font-size: 1.1rem; }

.footer-links { display: flex; justify-content: center; gap: 2rem; margin: 1.5rem 0; list-style: none; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .nav-hamburger { display: flex; }

    .nav-links {
        display: none;
        position: fixed;
        top: 57px; left: 0; right: 0;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 0;
        z-index: 99;
    }

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

    .nav-links li a { display: block; padding: 0.85rem 2rem; font-size: 1rem; }

    .nav-links li:last-child { padding: 0.75rem 2rem 0.25rem; }
    .nav-links li:last-child a.nav-cta { display: block; text-align: center; }

    /* Mobile dropdown */
    .nav-item:hover .nav-dropdown { display: none; }
    .nav-item.open .nav-dropdown { display: block; }

    .nav-dropdown { position: static; transform: none; background: transparent; border: none; border-radius: 0; padding: 0; box-shadow: none; min-width: 0; }
    .nav-dropdown::before { display: none; }
    .nav-item .nav-dropdown a { padding: 0.65rem 2rem 0.65rem 3rem; font-size: 0.95rem; border-radius: 0; }

    .nav-dropdown-toggle { display: flex; width: 100%; padding: 0.85rem 2rem; font-size: 1rem; justify-content: space-between; }

    .sobre-pillars { grid-template-columns: 1fr; }

    .meetup-card { grid-template-columns: auto 1fr; }
    .meetup-badge { grid-column: 2; justify-self: start; }

    .newsletter-form { flex-direction: column; }
    .newsletter-box { padding: 2rem 1.5rem; }

    .papagali-hero-card { grid-template-columns: 1fr; padding: 2rem 1.5rem; }
    .papagali-visual { display: none; }
    .papagali-attributes { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .sobre-diagrama { gap: 0; overflow: hidden; }
    .diagrama-lado { min-width: 0; width: 56px; flex-shrink: 0; }
    .diagrama-lado p { display: none; }
    .diagrama-tag { font-size: 1.1rem; }
    .diagrama-trilho { min-width: 0; }
    .diagrama-centro { width: 56px; height: 56px; border-radius: 12px; flex-shrink: 0; }
    .diagrama-centro img { width: 30px; height: 30px; }

    .sobre-instructor { flex-direction: column; align-items: center; text-align: center; padding: 2rem 1.5rem; }
    .sobre-socials { justify-content: center; }

    .livro-card { grid-template-columns: 1fr; text-align: center; }
    .livro-cover { width: 120px; margin: 0 auto; }
}

@media (max-width: 480px) {
    .papagali-attributes { grid-template-columns: 1fr; }
}