/* ==========================================================================
   DANIEL FERRAZ RAMOS — CURRÍCULO PROFISSIONAL
   Design System · Light/Dark · Responsivo · Print A4
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Light Palette */
    --bg-page:    #f0f4f8;
    --bg-card:    #ffffff;
    --bg-subtle:  #f8fafc;
    --bg-badge:   #e2e8f0;

    --text-primary:   #0d1b2a;
    --text-secondary: #2d3d4f;
    --text-muted:     #5a7184;
    --text-light:     #8fa3b8;

    --accent:        #1a56db;
    --accent-hover:  #1341b0;
    --accent-light:  #eef3ff;
    --accent-border: #b4cbfb;

    --border-color:  #dce5ef;
    --border-strong: #b8c9da;

    --shadow-sm: 0 1px 3px rgba(13,27,42,0.06), 0 1px 2px rgba(13,27,42,0.04);
    --shadow-md: 0 4px 12px rgba(13,27,42,0.07), 0 2px 4px rgba(13,27,42,0.04);
    --shadow-lg: 0 12px 24px rgba(13,27,42,0.08);

    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   16px;
    --radius-full: 9999px;

    --transition-fast:   0.15s ease;
    --transition-normal: 0.25s ease;
}

[data-theme="dark"] {
    --bg-page:    #090e18;
    --bg-card:    #111827;
    --bg-subtle:  #1a2537;
    --bg-badge:   #243044;

    --text-primary:   #f0f6ff;
    --text-secondary: #c4d0de;
    --text-muted:     #8fa3b8;
    --text-light:     #546778;

    --accent:        #4b7cf6;
    --accent-hover:  #6b96f8;
    --accent-light:  rgba(75, 124, 246, 0.12);
    --accent-border: rgba(75, 124, 246, 0.3);

    --border-color:  #1e2d42;
    --border-strong: #2d4160;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.45);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.5);
}

/* --------------------------------------------------------------------------
   2. BASE & RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-secondary);
    line-height: 1.65;
    letter-spacing: -0.011em;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    padding: 2rem 1rem;
}

h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

p { margin-bottom: 0.75rem; }
p:last-child { margin-bottom: 0; }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

ul { list-style: none; }

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

/* --------------------------------------------------------------------------
   3. LAYOUT
   -------------------------------------------------------------------------- */
.container {
    max-width: 960px;
    margin: 0 auto;
}

.cv-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2.75rem;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

/* Controls Bar */
.controls-bar {
    display: flex;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
}

.btn-control {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}
.btn-control:hover {
    border-color: var(--accent-border);
    background-color: var(--accent-light);
    color: var(--accent);
}
.btn-control svg {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

/* --------------------------------------------------------------------------
   4. HERO / PROFILE HEADER
   -------------------------------------------------------------------------- */
.header-hero {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--accent-light);
    margin-bottom: 2.25rem;
}

.avatar-container { position: relative; }

.profile-avatar {
    width: 112px;
    height: 112px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--accent-light);
    box-shadow: var(--shadow-md);
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.profile-name {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.035em;
    line-height: 1.1;
}

.profile-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
    margin-top: 0.1rem;
}

.profile-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.05rem;
}

/* Contact Grid */
.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.25rem;
    margin-top: 0.85rem;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.contact-item svg {
    width: 14px;
    height: 14px;
    fill: var(--text-muted);
    flex-shrink: 0;
}
.contact-item a { color: var(--text-secondary); }
.contact-item a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   5. SECTIONS
   -------------------------------------------------------------------------- */
.section { margin-bottom: 2.5rem; }
.section:last-of-type { margin-bottom: 0; }

.section-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.section-icon {
    width: 16px;
    height: 16px;
    fill: var(--accent);
    flex-shrink: 0;
}

/* Executive Summary */
.summary-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
}
.summary-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   6. SKILLS MATRIX & COMPACT
   -------------------------------------------------------------------------- */
.skills-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.skills-compact {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.15rem;
}

.skills-compact__row {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid var(--border-color);
}
.skills-compact__row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.skills-compact__label {
    min-width: 175px;
    font-size: 0.725rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    flex-shrink: 0;
    margin: 0;
}

.skills-compact__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.skill-category {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.15rem;
    transition: border-color var(--transition-fast);
}
.skill-category:hover { border-color: var(--accent-border); }

.skill-category__title {
    font-size: 0.725rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.65rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.tag {
    display: inline-block;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: all var(--transition-fast);
}
.tag:hover {
    border-color: var(--accent-border);
    background-color: var(--accent-light);
    color: var(--accent);
}

.tag--sm {
    font-size: 0.74rem;
    padding: 0.15rem 0.5rem;
}

/* --------------------------------------------------------------------------
   7. EXPERIENCE TIMELINE
   -------------------------------------------------------------------------- */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.experience-item {
    position: relative;
    padding-left: 1.35rem;
    border-left: 2px solid var(--border-color);
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid var(--bg-card);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.25rem;
}

.exp-role {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.exp-company {
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 0.1rem;
}

.exp-period {
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background-color: var(--bg-subtle);
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    white-space: nowrap;
    flex-shrink: 0;
}

.exp-context {
    font-size: 0.775rem;
    font-family: var(--font-mono);
    color: var(--text-light);
    margin-bottom: 0.65rem;
    margin-top: 0.35rem;
}

.exp-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.exp-bullets li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.exp-bullets li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.9rem;
    line-height: 1.6;
}

.exp-bullets strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   8. AI ECOSYSTEM SECTION
   -------------------------------------------------------------------------- */
.ai-intro {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.85rem;
    line-height: 1.6;
}

.ai-tools-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.tool-badge {
    display: inline-block;
    background-color: var(--accent-light);
    border: 1px solid var(--accent-border);
    color: var(--accent);
    font-size: 0.775rem;
    font-weight: 600;
    font-family: var(--font-mono);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.ai-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ai-card {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.15rem;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.ai-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.ai-card__badge {
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent);
    background-color: var(--accent-light);
    border: 1px solid var(--accent-border);
    padding: 0.12rem 0.45rem;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 0.45rem;
    white-space: nowrap;
}

.ai-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.ai-card__desc {
    font-size: 0.845rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   9. HISTORY (LIST FORMAT)
   -------------------------------------------------------------------------- */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.history-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 0.75rem 1.5rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    align-items: baseline;
}

.history-item:last-child { border-bottom: none; }

.history-company {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.history-desc {
    font-size: 0.855rem;
    color: var(--text-muted);
    line-height: 1.55;
}
.history-desc strong {
    color: var(--text-secondary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. EDUCATION
   -------------------------------------------------------------------------- */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.education-card {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.15rem;
}

.edu-degree {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-primary);
}

.edu-institution {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-top: 0.2rem;
}

/* Footer */
.footer-note {
    text-align: center;
    margin-top: 2.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-light);
}

.print-url { display: none; }

/* --------------------------------------------------------------------------
   11. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 720px) {
    body { padding: 1rem 0.5rem; }

    .cv-card { padding: 1.5rem 1.15rem; border-radius: var(--radius-md); }

    .header-hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.25rem;
    }

    .avatar-container { display: flex; justify-content: center; }
    .contact-grid { justify-content: center; }

    .exp-header { flex-direction: column; gap: 0.2rem; }
    .exp-period { align-self: flex-start; }
}

@media (max-width: 600px) {
    .ai-projects-grid, .skills-matrix, .education-grid {
        grid-template-columns: 1fr;
    }
    .skills-compact__row {
        flex-direction: column;
        gap: 0.35rem;
    }
    .skills-compact__label {
        min-width: auto;
    }
}

/* --------------------------------------------------------------------------
   12. PRINT — A4 OPTIMIZED
   -------------------------------------------------------------------------- */
@media print {
    @page {
        size: A4 portrait;
        margin: 14mm 16mm 14mm 16mm;
    }

    body {
        background: #ffffff !important;
        color: #111111 !important;
        padding: 0 !important;
        font-size: 10pt !important;
        line-height: 1.5 !important;
    }

    .container { max-width: 100% !important; margin: 0 !important; }

    .cv-card {
        background: #ffffff !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        border-radius: 0 !important;
    }

    .controls-bar, .no-print { display: none !important; }

    .header-hero {
        padding-bottom: 1.1rem !important;
        margin-bottom: 1.25rem !important;
        border-bottom: 1.5pt solid #1a56db !important;
        gap: 1.5rem !important;
    }

    .profile-avatar { width: 88px !important; height: 88px !important; }
    .profile-name { font-size: 18pt !important; color: #000 !important; }
    .profile-title { font-size: 11pt !important; color: #1a56db !important; }
    .profile-tagline { font-size: 9pt !important; color: #333 !important; }
    .contact-grid { font-size: 8.5pt !important; gap: 0.4rem 1rem !important; }
    .contact-item svg { fill: #333 !important; }

    .section { margin-bottom: 1.25rem !important; }
    .section:not([aria-labelledby="heading-experience"]) { break-inside: avoid !important; }

    .section-header {
        margin-bottom: 0.65rem !important;
        padding-bottom: 0.25rem !important;
        border-bottom: 1.2pt solid #c8d5e4 !important;
        break-after: avoid !important;
        page-break-after: avoid !important;
    }

    .section-title { font-size: 8.5pt !important; color: #333 !important; letter-spacing: 0.08em !important; }
    .section-icon { fill: #1a56db !important; }

    .summary-text { font-size: 9pt !important; line-height: 1.55 !important; color: #111 !important; }

    .skills-matrix { grid-template-columns: 1fr 1fr 1fr !important; gap: 0.65rem !important; }

    .skills-compact {
        background: #f8fafc !important;
        border: 0.5pt solid #c8d5e4 !important;
        padding: 0.5rem 0.75rem !important;
        gap: 0.35rem !important;
        break-inside: avoid !important;
    }
    .skills-compact__row {
        gap: 0.65rem !important;
        padding-bottom: 0.3rem !important;
        border-bottom: 0.5pt solid #e2e8f0 !important;
    }
    .skills-compact__row:last-child {
        padding-bottom: 0 !important;
        border-bottom: none !important;
    }
    .skills-compact__label {
        min-width: 130px !important;
        font-size: 7.2pt !important;
        color: #1a56db !important;
    }
    .skills-compact__tags {
        gap: 0.2rem !important;
    }

    .skill-category {
        background: #f8fafc !important;
        border: 0.5pt solid #c8d5e4 !important;
        padding: 0.6rem 0.7rem !important;
        break-inside: avoid !important;
    }

    .skill-category__title { font-size: 7.5pt !important; color: #1a56db !important; margin-bottom: 0.4rem !important; }

    .tag {
        font-size: 7.5pt !important;
        padding: 0.12rem 0.4rem !important;
        background: #fff !important;
        border: 0.5pt solid #c8d5e4 !important;
    }

    .experience-list { gap: 1.1rem !important; }

    .experience-item {
        padding-left: 0.9rem !important;
        border-left: 1.5pt solid #1a56db !important;
        break-inside: auto !important;
    }

    .experience-item::before { display: none !important; }

    .exp-role { font-size: 9.5pt !important; color: #000 !important; }
    .exp-company { font-size: 9pt !important; color: #1a56db !important; }

    .exp-period {
        font-size: 8pt !important;
        background: #f1f5f9 !important;
        border: 0.5pt solid #c8d5e4 !important;
        color: #333 !important;
    }

    .exp-context { font-size: 7.5pt !important; color: #666 !important; margin-bottom: 0.45rem !important; }

    .exp-bullets li {
        font-size: 8.5pt !important;
        line-height: 1.45 !important;
        color: #111 !important;
        break-inside: avoid !important;
        page-break-inside: avoid !important;
    }

    .ai-intro { font-size: 8.5pt !important; color: #333 !important; }

    .ai-tools-row { gap: 0.3rem !important; margin-bottom: 0.75rem !important; }

    .tool-badge {
        font-size: 7.5pt !important;
        background: #fff !important;
        border: 0.5pt solid #1a56db !important;
        color: #1a56db !important;
        padding: 0.12rem 0.4rem !important;
    }

    .ai-projects-grid { grid-template-columns: 1fr 1fr !important; gap: 0.65rem !important; }

    .ai-card {
        background: #f8fafc !important;
        border: 0.5pt solid #c8d5e4 !important;
        padding: 0.65rem 0.75rem !important;
        break-inside: avoid !important;
        transform: none !important;
        box-shadow: none !important;
    }

    .ai-card__badge { font-size: 7pt !important; color: #1a56db !important; background: #fff !important; border: 0.5pt solid #1a56db !important; }
    .ai-card__title { font-size: 9pt !important; color: #000 !important; }
    .ai-card__desc { font-size: 8pt !important; color: #333 !important; }

    .education-grid { grid-template-columns: 1fr 1fr 1fr !important; gap: 0.65rem !important; }

    .education-card {
        background: #f8fafc !important;
        border: 0.5pt solid #c8d5e4 !important;
        padding: 0.6rem 0.7rem !important;
        break-inside: avoid !important;
    }

    .edu-degree { font-size: 8.5pt !important; }
    .edu-institution { font-size: 8pt !important; color: #1a56db !important; }

    .footer-note { display: none !important; }

    .print-url {
        display: inline !important;
        font-size: 7.5pt;
        color: #555;
    }
}