@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700;12..96,800&family=JetBrains+Mono:wght@400;500;600&family=Source+Sans+3:wght@400;500;600;700&display=swap');

/* ==========================================================================
   ARTES DO SUL — CYBER-GROWTH DESIGN SYSTEM & HIGH-CONTRAST TOKENS
   ========================================================================== */

:root {
    --bg-primary: #050505;
    --bg-secondary: #090d16;
    --bg-card: rgba(13, 18, 30, 0.85);
    --bg-card-hover: rgba(18, 26, 44, 0.95);
    --bg-glass: rgba(15, 23, 42, 0.75);
    --bg-terminal: #000000;
    --bg-code: #0a0e17;

    /* Accents */
    --accent-orange: #ff6b35; /* Growth / ação — texto escuro sobre o preenchimento */
    --accent-orange-glow: rgba(255, 107, 53, 0.25);
    --accent-cyan: #67e8f9;   /* Logic / Tech — ciano claro, AA em fundo #050505 */
    --accent-cyan-glow: rgba(103, 232, 249, 0.22);
    --accent-blue: #7dd3fc;
    --accent-green: #34d399;
    --accent-green-glow: rgba(52, 211, 153, 0.2);
    --accent-purple: #c4b5fd;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --ink-on-accent: #041016;

    /* Typography — hierarquia de contraste (primário → secundário → muted → faint)
       Medido sobre #050505. Muted e faint ficam acima de 4.5:1. */
    --text-primary: #f8fafc;   /* ~18:1 */
    --text-secondary: #d5deea; /* ~13:1 */
    --text-muted: #a8b6c8;     /* ~8.5:1 */
    --text-faint: #8b9cb0;     /* ~6.2:1 */

    /* Borders & Outlines */
    --border: rgba(255, 255, 255, 0.1);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(0, 217, 255, 0.4);
    --border-active: rgba(255, 107, 53, 0.5);

    /* Fonts */
    --font-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
    --font-body: 'Source Sans 3', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);

    /* Glassmorphism — sombra em camadas, sem drop dramático */
    --glass-blur: blur(12px);
    --shadow-card:
        0 0 0 0.5px rgba(255, 255, 255, 0.04),
        0 1px 2px rgba(0, 0, 0, 0.35),
        0 8px 24px rgba(0, 0, 0, 0.28);
    --shadow-glow: 0 0 0 1px rgba(103, 232, 249, 0.35), 0 8px 24px rgba(0, 0, 0, 0.35);
}

/* ==========================================================================
   GLOBAL RESET & BODY
   ========================================================================== */

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    isolation: isolate;
    background-color: var(--bg-primary) !important;
    background-image:
        radial-gradient(circle at 50% 0%, #151a2e 0%, transparent 65%),
        radial-gradient(circle at 100% 100%, #170d22 0%, transparent 50%),
        linear-gradient(180deg, #050505 0%, #070a12 100%) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-body) !important;
    font-size: 1rem;
    line-height: 1.65;
    overflow-x: hidden;
    min-height: 100dvh;
    -webkit-tap-highlight-color: rgba(103, 232, 249, 0.18);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 50% 0%, #000 15%, transparent 72%);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #050505;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Selection */
::selection {
    background: rgba(0, 217, 255, 0.3);
    color: #ffffff;
}

/* ==========================================================================
   TYPOGRAPHY & HEADINGS (HIGH CONTRAST)
   ========================================================================== */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em;
    color: #ffffff !important;
    line-height: 1.25;
    text-wrap: balance;
    scroll-margin-top: 5.5rem;
}

h1, .h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800 !important; }
h2, .h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 2.05rem); margin-top: 2rem; margin-bottom: 1rem; }

.section-title,
h2.display-6 {
    font-size: clamp(1.4rem, 1.1rem + 1.3vw, 2.1rem) !important;
    text-wrap: balance;
}
h3, .h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); margin-top: 1.5rem; margin-bottom: 0.75rem; color: #f1f5f9 !important; }
h4, .h4 { font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.2rem); color: var(--accent-cyan) !important; }
h5, .h5 { font-size: 1.05rem; }

p, li, span, label, td, th {
    color: var(--text-secondary);
}

strong, b {
    color: #ffffff;
    font-weight: 600;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s var(--ease-out), text-shadow 0.2s var(--ease-out);
    touch-action: manipulation;
}
a:hover {
    color: #7dd3fc;
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.4);
}

.text-muted, .text-secondary, .text-white-50, .text-gray-400, .text-gray-500 {
    color: var(--text-muted) !important;
}

.text-dark, .text-black, .text-gray-800, .text-gray-900 {
    color: var(--text-primary) !important;
}

.lead, .subtitle {
    color: var(--text-secondary) !important;
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Glowing Highlights */
.text-cyan { color: var(--accent-cyan) !important; }
.text-orange { color: var(--accent-orange) !important; }
.text-green { color: var(--accent-green) !important; }
.text-purple { color: var(--accent-purple) !important; }

/* ==========================================================================
   NAVIGATION BAR & TOP HEADER
   ========================================================================== */

.navbar, nav.navbar {
    background: rgba(5, 5, 5, 0.85) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 0.75rem 0 !important;
    padding-top: max(0.75rem, env(safe-area-inset-top)) !important;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.navbar .container {
    flex-wrap: wrap;
    gap: 8px 12px;
}

.navbar-brand {
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    font-size: 1.2rem !important;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand i {
    color: var(--accent-cyan);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}

.nav-link:hover, .nav-link.active {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.08);
}

/* Back Link Chip */
.nav-back-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px 14px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-display);
    transition: background-color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
.nav-back-chip:hover {
    background: rgba(0, 217, 255, 0.12);
    border-color: var(--accent-cyan);
    color: #ffffff;
}

/* ==========================================================================
   HERO SECTIONS (CYBER-GROWTH LUXURY BANNER)
   ========================================================================== */

.hero-section, .hero-gradient, .wasm-gradient, header.py-5, section.hero-section {
    position: relative;
    padding: 2.25rem 0 1.75rem !important;
    background: 
        radial-gradient(circle at 50% 20%, rgba(0, 217, 255, 0.12) 0%, transparent 70%),
        linear-gradient(180deg, rgba(8, 13, 26, 0.9) 0%, #050505 100%) !important;
    border-bottom: 1px solid var(--border) !important;
    margin-bottom: 2.5rem;
    overflow: hidden;
}

.hero-title, .display-4 {
    font-size: clamp(1.85rem, 1.15rem + 2.6vw, 3.2rem) !important;
    font-weight: 800 !important;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 40%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1rem, 0.92rem + 0.45vw, 1.2rem) !important;
    color: var(--text-secondary) !important;
    max-width: 700px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

/* Validation & Status Badges */
.validation-badge, .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 53, 0.12);
    border: 1px solid rgba(255, 107, 53, 0.35);
    color: var(--accent-orange);
    padding: 6px 16px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.12);
}

.validation-badge.cyan {
    background: rgba(0, 217, 255, 0.12);
    border-color: rgba(0, 217, 255, 0.35);
    color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.12);
}

.validation-badge.green {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35);
    color: var(--accent-green);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.12);
}

/* ==========================================================================
   CARDS & CONTAINERS (GLASSMORPHISM & CONTRAST)
   ========================================================================== */

.card, 
.guide-card, 
.feature-card, 
.stat-card, 
.step-card, 
.method-card, 
.phase-card, 
.practice-card, 
.command-card, 
.validation-card, 
.gemini-architecture, 
.implementation-card,
.info-box,
.bg-light,
.bg-white,
.bg-gray-50,
.bg-gray-100 {
    background: var(--bg-card) !important;
    backdrop-filter: var(--glass-blur) !important;
    -webkit-backdrop-filter: var(--glass-blur) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    color: var(--text-primary) !important;
    transition: border-color 0.2s var(--ease-out), background-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out) !important;
    box-shadow: var(--shadow-card) !important;
    overflow-wrap: anywhere;
}

.card:hover, 
.guide-card:hover, 
.feature-card:hover, 
.stat-card:hover, 
.method-card:hover, 
.phase-card:hover, 
.practice-card:hover, 
.command-card:hover {
    border-color: var(--border-hover) !important;
    transform: translateY(-4px) !important;
    box-shadow: 0 12px 36px rgba(0, 217, 255, 0.12) !important;
    background: var(--bg-card-hover) !important;
}

.card-header, .modal-header {
    background: rgba(255, 255, 255, 0.03) !important;
    border-bottom: 1px solid var(--border) !important;
    color: #ffffff !important;
    font-family: var(--font-display);
    font-weight: 700;
}

.card-footer, .modal-footer {
    background: rgba(255, 255, 255, 0.02) !important;
    border-top: 1px solid var(--border) !important;
}

.card-body {
    padding: 16px !important;
}

.card-title {
    color: #ffffff !important;
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
}

/* Step Card Lateral Accent */
.step-card {
    border-left: 4px solid var(--accent-cyan) !important;
}
.step-card.completed {
    border-left-color: var(--accent-green) !important;
}

/* Icon Wrappers inside Cards */
.icon-wrapper, .step-icon, .logo-icon, .practice-icon, .phase-icon {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px !important;
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 22px !important;
    color: var(--accent-cyan) !important;
    transition: background-color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.guide-card:hover .icon-wrapper {
    background: rgba(0, 217, 255, 0.15) !important;
    border-color: var(--accent-cyan) !important;
    color: #ffffff !important;
    transform: scale(1.05);
}

/* ==========================================================================
   CODE BLOCKS, TERMINALS & SYNTAX HIGHLIGHTING
   ========================================================================== */

pre, 
.code-block, 
.terminal, 
.architecture, 
.command-example, 
.benchmark {
    background: var(--bg-terminal) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 12px !important;
    padding: 1.25rem 1.25rem !important;
    position: relative;
    overflow-x: auto;
    font-family: var(--font-mono) !important;
    margin: 1.25rem 0;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8), 0 4px 20px rgba(0, 0, 0, 0.4);
}

pre code, 
.code-block code, 
.terminal code, 
.command-example code {
    font-family: var(--font-mono) !important;
    color: #7dd3fc !important; /* Vivid Light Cyan */
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Inline Code Snippets */
code {
    font-family: var(--font-mono) !important;
    background: rgba(255, 255, 255, 0.09) !important;
    color: #fb923c !important; /* High contrast orange */
    padding: 0.2rem 0.45rem !important;
    border-radius: 6px !important;
    font-size: 0.88em;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Terminal Mac-style Dots Bar */
.terminal::before, .code-block.with-dots::before {
    content: '● ● ●';
    display: block;
    color: rgba(255, 255, 255, 0.25);
    font-size: 10px;
    letter-spacing: 4px;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-family: system-ui;
}

/* Copy Button Styling */
.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), opacity 0.2s var(--ease-out);
    opacity: 1;
    z-index: 10;
}
pre:hover .copy-btn, .code-block:hover .copy-btn, .terminal:hover .copy-btn {
    opacity: 1;
}
.copy-btn:hover {
    background: rgba(0, 217, 255, 0.2);
    color: #ffffff;
    border-color: var(--accent-cyan);
}
.copy-btn.success {
    color: var(--accent-green) !important;
    border-color: var(--accent-green) !important;
    background: rgba(16, 185, 129, 0.2) !important;
}

/* ==========================================================================
   BUTTONS (PREMIUM CYBER-GROWTH CTA)
   ========================================================================== */

.btn {
    border-radius: 10px !important;
    padding: 10px 22px !important;
    font-weight: 600 !important;
    font-family: var(--font-display) !important;
    transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out), border-color 0.2s var(--ease-out) !important;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    touch-action: manipulation;
}

.btn-primary,
.btn-light {
    background: linear-gradient(135deg, #ecfeff, #67e8f9 42%, #22d3ee) !important;
    border: none !important;
    color: var(--ink-on-accent) !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 8px 20px rgba(34, 211, 238, 0.18) !important;
}
.btn-primary:hover,
.btn-light:hover {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset, 0 10px 24px rgba(34, 211, 238, 0.28) !important;
    color: #020617 !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ffd0bf, var(--accent-orange) 55%, #fb923c) !important;
    border: none !important;
    color: #1c0a04 !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 8px 20px rgba(255, 107, 53, 0.2) !important;
}
.btn-danger:hover {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset, 0 10px 24px rgba(255, 107, 53, 0.32) !important;
    color: #1c0a04 !important;
}

.btn-success {
    background: linear-gradient(135deg, #d1fae5, #34d399 55%, #6ee7b7) !important;
    border: none !important;
    color: #022c22 !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 8px 20px rgba(52, 211, 153, 0.18) !important;
}
.btn-success:hover {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.45) inset, 0 10px 24px rgba(52, 211, 153, 0.28) !important;
    color: #022c22 !important;
}

.btn-secondary, .btn-dark, .btn-outline-secondary, .btn-outline-light {
    background: rgba(255, 255, 255, 0.07) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
}
.btn-secondary:hover, .btn-dark:hover, .btn-outline-secondary:hover, .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    border-color: var(--accent-cyan) !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
}

.btn-info, .btn-warning {
    color: #050505 !important;
    font-weight: 700 !important;
}

/* ==========================================================================
   BADGES, PILLS & CHIPS (LUMINOUS)
   ========================================================================== */

.badge, .impact-badge, .tech-badge {
    padding: 6px 12px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 0.8rem !important;
    font-family: var(--font-display) !important;
    letter-spacing: 0.02em;
    border: 1px solid var(--border) !important;
}

.badge.bg-primary { background: rgba(0, 217, 255, 0.15) !important; color: var(--accent-cyan) !important; border-color: rgba(0, 217, 255, 0.3) !important; }
.badge.bg-success { background: rgba(16, 185, 129, 0.15) !important; color: var(--accent-green) !important; border-color: rgba(16, 185, 129, 0.3) !important; }
.badge.bg-warning { background: rgba(245, 158, 11, 0.15) !important; color: var(--accent-yellow) !important; border-color: rgba(245, 158, 11, 0.3) !important; }
.badge.bg-danger { background: rgba(239, 68, 68, 0.15) !important; color: #f87171 !important; border-color: rgba(239, 68, 68, 0.3) !important; }
.badge.bg-info { background: rgba(56, 189, 248, 0.15) !important; color: #38bdf8 !important; border-color: rgba(56, 189, 248, 0.3) !important; }
.badge.bg-dark, .badge.bg-secondary, .badge.bg-white { 
    background: rgba(255, 255, 255, 0.08) !important; 
    color: #ffffff !important; 
    border-color: rgba(255, 255, 255, 0.15) !important; 
}

/* ==========================================================================
   TABLES (HIGH CONTRAST DARK GLASS)
   ========================================================================== */

.table-responsive {
    border-radius: 12px;
    border: 1px solid var(--border);
    margin: 1.5rem 0;
    background: var(--bg-card);
}

table, .table {
    color: var(--text-primary) !important;
    margin-bottom: 0 !important;
    border-color: var(--border) !important;
    background: transparent !important;
}

.table th, thead th {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 12px 16px !important;
}

.table td, tbody td {
    color: var(--text-secondary) !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    padding: 12px 16px !important;
    vertical-align: middle;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.02) !important;
    color: var(--text-primary) !important;
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(0, 217, 255, 0.06) !important;
    color: #ffffff !important;
}

/* ==========================================================================
   ALERTS, CALLOUTS & BANNERS
   ========================================================================== */

.alert {
    border-radius: 12px !important;
    padding: 1.25rem !important;
    border: 1px solid var(--border) !important;
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    margin: 1.5rem 0 !important;
}

.alert-primary, .alert-info {
    border-left: 4px solid var(--accent-cyan) !important;
    background: rgba(0, 217, 255, 0.08) !important;
}
.alert-success {
    border-left: 4px solid var(--accent-green) !important;
    background: rgba(16, 185, 129, 0.08) !important;
}
.alert-warning {
    border-left: 4px solid var(--accent-yellow) !important;
    background: rgba(245, 158, 11, 0.08) !important;
}
.alert-danger {
    border-left: 4px solid var(--accent-orange) !important;
    background: rgba(255, 107, 53, 0.08) !important;
}

/* ==========================================================================
   SEARCH & INTERACTIVE UTILITIES
   ========================================================================== */

.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto 3rem;
}
.search-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.8) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px !important;
    padding: 14px 20px 14px 48px !important;
    color: #ffffff !important;
    font-family: var(--font-display) !important;
    font-size: 1rem !important;
    min-height: 48px;
    transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background-color 0.2s var(--ease-out) !important;
    box-shadow: var(--shadow-card);
}
.search-input::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.search-input:focus {
    border-color: var(--accent-cyan) !important;
    box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.28) !important;
    background: rgba(20, 30, 55, 0.95) !important;
}
.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-cyan);
    font-size: 1.15rem;
}

/* Interactive Growth Tracker Checklist style */
.tracker-checkbox {
    cursor: pointer;
    font-size: 1.25rem;
    margin-right: 12px;
    color: var(--text-muted);
    transition: color 0.2s var(--ease-out);
}
.tracker-checkbox:hover {
    color: var(--accent-cyan);
}
.checked-header {
    text-decoration: line-through;
    opacity: 0.6;
}

/* Sticky Progress Bar for guides */
.sticky-progress-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
}
.progress-bar-glow {
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan)) !important;
    box-shadow: 0 0 12px rgba(0, 217, 255, 0.6);
    height: 6px;
    border-radius: 4px;
    transition: width 0.3s ease;
}
.progress-container-bg {
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 4px;
    overflow: hidden;
}

/* Dashboard Guide Card Progress */
.card-progress-wrapper {
    margin-top: 1.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}
.card-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}
.card-progress-bar-bg {
    background: rgba(255, 255, 255, 0.08);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}
.card-progress-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan));
    width: 0%;
    transition: width 0.3s ease;
}

/* ==========================================================================
   FOOTER (STANDARDIZED ARTES DO SUL)
   ========================================================================== */

footer.guias-footer, footer.py-5, footer.py-4 {
    background: #020202 !important;
    border-top: 1px solid var(--border) !important;
    color: var(--text-muted) !important;
    padding: 3.5rem 0 2rem !important;
    margin-top: 4rem;
}

.footer-signature {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.footer-signature a {
    color: #ffffff;
    font-weight: 600;
}
.footer-signature a:hover {
    color: var(--accent-orange);
}

.footer-link {
    color: var(--text-secondary);
    transition: color 0.2s ease;
    font-size: 0.9rem;
}
.footer-link:hover {
    color: var(--accent-cyan);
}

/* ==========================================================================
   MOBILE-FIRST, CONTRASTE E ACABAMENTO PREMIUM
   Base = telefone. Enhancements a partir de 640 / 768 / 1024.
   ========================================================================== */

.skip-link {
    position: absolute;
    left: max(16px, env(safe-area-inset-left));
    top: 0;
    z-index: 2000;
    transform: translateY(-120%);
    background: #ecfeff;
    color: var(--ink-on-accent);
    font-family: var(--font-display);
    font-weight: 700;
    padding: 12px 16px;
    border-radius: 0 0 8px 8px;
}

.skip-link:focus {
    transform: none;
}

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

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.guide-card {
    container-type: inline-size;
    container-name: guide;
}

.guide-card .card-title,
.guide-card h3.card-title {
    font-size: clamp(1.05rem, 8cqi, 1.25rem) !important;
    margin: 0 0 8px !important;
    text-wrap: balance;
}

.guide-card .card-text {
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--text-muted) !important;
}

.stat-card,
.feature-card,
.step-card,
.practice-card,
.method-card,
.phase-card {
    padding: 16px;
}

.stat-card .display-6,
.stat-card .display-6.fw-bold {
    font-size: clamp(1.25rem, 12cqi, 1.7rem) !important;
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 16px;
}

.feature-card h4 {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.architecture {
    white-space: pre;
    overflow-x: auto;
    color: #e0f2fe !important;
    font-size: 0.78rem;
    line-height: 1.35;
    max-width: 100%;
}

.architecture-layer {
    background: rgba(103, 232, 249, 0.08);
    border: 1px solid rgba(103, 232, 249, 0.28);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 8px 12px;
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0 12px;
}

.logo h1 {
    margin: 0;
    font-size: clamp(1.75rem, 1.2rem + 2vw, 2.6rem) !important;
}

header .btn,
.btn-outline {
    margin: 8px 8px 0 0;
}

.btn-outline {
    background: transparent !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
}

.floating-element {
    display: none;
}

/* Classes legadas (Tailwind sem folha) — tintas escuras, texto acima de 4.5:1 */
.text-blue-600,
.text-blue-700,
.text-blue-800,
.text-indigo-600 { color: #67e8f9 !important; }
.text-green-600,
.text-green-700,
.text-green-800 { color: #6ee7b7 !important; }
.text-purple-600,
.text-purple-700,
.text-purple-800 { color: #ddd6fe !important; }
.text-amber-600,
.text-amber-700,
.text-amber-800,
.text-yellow-600 { color: #fde68a !important; }
.text-red-600,
.text-red-700,
.text-red-800 { color: #fecaca !important; }
.text-info { color: #7dd3fc !important; }
.text-warning { color: #fde68a !important; }
.text-success { color: #6ee7b7 !important; }

.bg-blue-50, .bg-blue-100, .bg-indigo-100 {
    background: rgba(103, 232, 249, 0.12) !important;
    color: #ecfeff;
}
.bg-green-50, .bg-green-100 {
    background: rgba(52, 211, 153, 0.12) !important;
    color: #ecfdf5;
}
.bg-purple-50, .bg-purple-100 {
    background: rgba(196, 181, 253, 0.14) !important;
    color: #f5f3ff;
}
.bg-amber-50, .bg-amber-100 {
    background: rgba(251, 191, 36, 0.12) !important;
    color: #fffbeb;
}
.bg-red-50, .bg-red-100 {
    background: rgba(248, 113, 113, 0.12) !important;
    color: #fef2f2;
}
.bg-gray-50, .bg-gray-100, .bg-white\/10, .bg-white\/20 {
    background: rgba(255, 255, 255, 0.04) !important;
}

.border-blue-200 { border-color: rgba(103, 232, 249, 0.35) !important; }
.border-green-200 { border-color: rgba(52, 211, 153, 0.35) !important; }
.border-purple-200 { border-color: rgba(196, 181, 253, 0.35) !important; }
.border-amber-200 { border-color: rgba(251, 191, 36, 0.35) !important; }

.step-icon,
.practice-icon,
.tool-icon,
.phase-icon {
    flex-shrink: 0;
}

.table-responsive,
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

pre, .code-block, .terminal, .command-example {
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

#progress-text,
.progress-percent,
.font-monospace {
    font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .card-body,
    .stat-card,
    .feature-card {
        padding: 20px !important;
    }
}

@media (min-width: 768px) {
    .hero-section,
    .hero-gradient,
    .wasm-gradient,
    header.py-5,
    section.hero-section {
        padding: 4rem 0 3rem !important;
    }

    .card-body {
        padding: 24px !important;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .floating-element {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        width: 72px;
        height: 72px;
        border-radius: 18px;
        border: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.03);
        color: var(--accent-cyan);
        font-size: 1.4rem;
        pointer-events: none;
        opacity: 0.22;
        z-index: 0;
    }

    .floating-1 { top: 18%; left: 4%; }
    .floating-2 { top: 42%; right: 5%; left: auto; }
    .floating-3 { bottom: 18%; left: 8%; }
}

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover,
    .btn-light:hover,
    .btn-danger:hover,
    .btn-success:hover,
    .btn-secondary:hover,
    .btn-dark:hover,
    .btn-outline-secondary:hover,
    .btn-outline-light:hover,
    .card:hover,
    .guide-card:hover,
    .feature-card:hover,
    .stat-card:hover,
    .method-card:hover,
    .phase-card:hover,
    .practice-card:hover,
    .command-card:hover {
        transform: translateY(-2px) !important;
    }
}

@media (hover: none) {
    .card:hover,
    .guide-card:hover,
    .feature-card:hover,
    .stat-card:hover,
    .method-card:hover,
    .phase-card:hover,
    .practice-card:hover,
    .command-card:hover,
    .btn:hover {
        transform: none !important;
    }
}

/* Seções inteiras não herdam o chrome de card */
section.bg-white,
section.bg-light,
section.bg-gray-50,
section.bg-gray-100 {
    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.feature-grid,
.best-practices,
.deployment-steps,
.command-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
}

.docker-architecture,
.compose-architecture,
.flask-architecture,
.nginx-architecture,
.supabase-architecture,
.llm-architecture,
.gemini-architecture,
.protocol-diagram {
    width: 100%;
    max-width: 360px;
    margin-inline: auto;
}

header .gemini-architecture {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    backdrop-filter: none !important;
}

.docker-logo,
.compose-logo,
.nginx-logo,
.supabase-logo,
.gemini-logo,
.git-logo,
.github-logo,
.diagram-item {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(103, 232, 249, 0.12);
    border: 1px solid rgba(103, 232, 249, 0.35);
    color: var(--accent-cyan);
    font-size: 1.6rem;
}

header .col-lg-5 > .d-inline-block {
    width: 100%;
    max-width: 420px;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--ink-on-accent);
    background: #67e8f9;
}

.implementation-card {
    padding: 20px;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 0;
    padding-left: 18px;
    border-left: 1px solid rgba(103, 232, 249, 0.4);
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -23px;
    top: 0.45em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #67e8f9;
}

.timeline-item h5 {
    margin: 0 0 4px;
    font-size: 1rem !important;
    color: #ffffff !important;
}

.timeline-item p {
    margin: 0;
}

.network-diagram {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin: 0 0 24px;
}

.service-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.service-box.web { border-top: 2px solid #67e8f9; }
.service-box.db { border-top: 2px solid #6ee7b7; }
.service-box.cache { border-top: 2px solid #fde68a; }

.network-diagram .arrow {
    display: flex;
    justify-content: center;
    color: var(--accent-cyan);
    min-height: 28px;
    align-items: center;
}

.network-diagram .arrow i {
    transform: rotate(90deg);
}

.code-block {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0;
}

.code-block pre {
    margin: 0;
}

pre,
.code-block,
.terminal,
.command-example {
    padding-right: 56px !important;
}

code {
    overflow-wrap: break-word;
}

@media (max-width: 767px) {
    pre,
    pre code,
    .terminal,
    .terminal code {
        white-space: pre-wrap;
        word-break: break-word;
    }
}

.text-primary {
    color: var(--accent-cyan) !important;
}

.command-card,
.tool-card {
    padding: 16px;
}

.command-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.command-desc,
.text-sm {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 12px;
}

.diagram-arrow {
    color: var(--accent-cyan);
    min-height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.protocol-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.roadmap-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.roadmap-line {
    position: absolute;
    left: 5px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: rgba(103, 232, 249, 0.4);
}

.roadmap-item {
    position: relative;
    padding-left: 28px;
}

.roadmap-dot {
    position: absolute;
    left: 0;
    top: 22px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #67e8f9;
}

.roadmap-dot.bg-blue-500 { background: #67e8f9 !important; }
.roadmap-dot.bg-green-500 { background: #6ee7b7 !important; }
.roadmap-dot.bg-purple-500 { background: #ddd6fe !important; }
.roadmap-dot.bg-amber-500 { background: #fde68a !important; }

.benchmark {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 16px;
    background: rgba(103, 232, 249, 0.08) !important;
    border: 1px solid rgba(103, 232, 249, 0.28) !important;
    border-radius: 12px !important;
    padding: 12px 16px !important;
    box-shadow: none !important;
    font-family: var(--font-body) !important;
    color: var(--text-secondary) !important;
}

.benchmark-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(103, 232, 249, 0.14);
    color: var(--accent-cyan);
}

.tool-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-card) !important;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .feature-grid,
    .best-practices,
    .command-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .roadmap-container {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .roadmap-line {
        display: none;
    }

    .network-diagram {
        flex-direction: row;
        align-items: center;
    }

    .service-box {
        flex: 1 1 0;
    }

    .network-diagram .arrow {
        flex: 0 0 auto;
    }

    .network-diagram .arrow i {
        transform: none;
    }
}

@media (min-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}