/* ==========================================================================
   PORTFÓLIO DE CARREIRA V2 - TECNOLOGIA & CRATIVIDADE
   Estilos específicos com suporte a temas Claro e Escuro
   ========================================================================== */

:root {
    /* DEFAULT DARK THEME VARIABLES */
    --color-bg-main: #0a0d14;
    --color-bg-card: rgba(17, 24, 39, 0.7);
    --color-bg-card-hover: rgba(31, 41, 55, 0.8);
    --color-text: #f3f4f6;
    --color-text-muted: #94a3b8;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(139, 92, 246, 0.3);
    --color-primary: #8b5cf6;       /* Violet */
    --color-primary-rgb: 139, 92, 246;
    --color-secondary: #06b6d4;     /* Cyan */
    --color-accent: #ec4899;        /* Pink */
    --color-header-bg: rgba(10, 13, 20, 0.85);
    --color-shadow: rgba(0, 0, 0, 0.5);
    --color-terminal-bg: #0d1117;
    --color-terminal-header: #161b22;
    --color-input-bg: rgba(255, 255, 255, 0.02);
}

body.light-theme {
    /* LIGHT THEME VARIABLES */
    --color-bg-main: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f1f5f9;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-border: rgba(15, 23, 42, 0.08);
    --color-border-hover: rgba(124, 58, 237, 0.3);
    --color-primary: #7c3aed;       /* Violet Light */
    --color-primary-rgb: 124, 58, 237;
    --color-secondary: #0891b2;     /* Cyan Light */
    --color-accent: #db2777;        /* Pink Light */
    --color-header-bg: rgba(248, 250, 252, 0.85);
    --color-shadow: rgba(15, 23, 42, 0.05);
    --color-terminal-bg: #0f172a;
    --color-terminal-header: #1e293b;
    --color-input-bg: #ffffff;
}

/* Base Body Modifications */
body {
    background-color: var(--color-bg-main);
    color: var(--color-text);
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Overwrite heading colors using variable */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
}

/* Portfolio Specific Navbar */
.portfolio-nav {
    position: sticky;
    top: 70px; /* Right below the demo header */
    left: 0;
    width: 100%;
    z-index: 90;
    background: var(--color-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-brand span {
    color: var(--color-primary);
}

.nav-links {
    display: none; /* Hidden on mobile */
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

/* Nav Actions (Theme Switcher + CTA) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: scale(1.05);
}

/* Show sun icon in dark mode and moon in light mode */
.theme-toggle-btn .fa-sun {
    display: block;
}
.theme-toggle-btn .fa-moon {
    display: none;
}

body.light-theme .theme-toggle-btn .fa-sun {
    display: none;
}
body.light-theme .theme-toggle-btn .fa-moon {
    display: block;
}

/* Mobile Menu Toggle Button (Hamburger) */
.menu-toggle-btn {
    background: transparent;
    border: none;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 101;
}

.menu-toggle-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hamburger transition to 'X' */
.menu-toggle-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle-btn.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Menu */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    height: 100dvh; /* Prevent cutoffs from mobile browser navigation bar */
    background: var(--color-header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--color-border);
    z-index: 105; /* Above demo-header */
    padding: 85px 2rem 4.5rem 2rem; /* Increased bottom padding to lift button */
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto; /* Enable scrolling if content exceeds height */
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
}

.mobile-drawer.active {
    right: 0;
}

.mobile-drawer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-drawer-link {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

.mobile-drawer-link:hover, .mobile-drawer-link.active {
    color: var(--color-primary);
}

.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 104; /* Just below mobile-drawer */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Close button inside drawer */
.drawer-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    z-index: 106;
}

.drawer-close-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

/* Custom Hero Layout */
.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    min-height: calc(100vh - 140px);
    padding: 40px 0;
}

.hero-content {
    max-width: 600px;
}

.hero-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    font-weight: 800;
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* Social links list */
.social-list {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-item {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: rgba(255,255,255,0.01);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    transition: all 0.3s ease;
}

.social-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* Hero Terminal Box */
.terminal-window {
    background: var(--color-terminal-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 20px 40px var(--color-shadow);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8125rem;
    line-height: 1.5;
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.terminal-header {
    background: var(--color-terminal-header);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #f59e0b; }
.terminal-dot.green { background-color: #10b981; }

.terminal-title {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: auto;
}

.terminal-body {
    padding: 1.5rem;
    color: #a9b2c3;
    overflow-x: auto;
}

.code-line {
    display: flex;
    gap: 1rem;
}

.line-num {
    color: #4b5563;
    user-select: none;
    text-align: right;
    width: 15px;
}

.code-text {
    flex: 1;
}

.c-key { color: #f474b9; }      /* Purple/Pink key */
.c-val { color: #5ce6b0; }      /* Emerald value */
.c-str { color: #38bdf8; }      /* Cyan string */
.c-comm { color: #64748b; font-style: italic; } /* Muted comment */

/* About Metric Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}

.metric-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--color-shadow);
}

.metric-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Skills Categories Grid */
.skills-grid-v2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.skill-category-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
}

.skill-category-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
}

.skill-items-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Timeline V2 */
.timeline-v2 {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0 auto;
}

.timeline-v2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item-v2 {
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 3rem;
}

.timeline-item-v2:last-child {
    margin-bottom: 0;
}

.timeline-badge-v2 {
    position: absolute;
    left: 8px;
    top: 5px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-bg-main);
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
    z-index: 2;
    transition: border-color 0.3s ease;
}

body.light-theme .timeline-badge-v2 {
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.15);
}

.timeline-item-v2:hover .timeline-badge-v2 {
    border-color: var(--color-secondary);
}

.timeline-content-v2 {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 1.75rem;
    transition: all 0.3s ease;
}

.timeline-content-v2:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateX(5px);
}

.timeline-date-v2 {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}

.timeline-company-v2 {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-tags-v2 {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag-pill-v2 {
    font-size: 0.6875rem;
    font-weight: 600;
    background: rgba(var(--color-primary-rgb), 0.08);
    border: 1px solid rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

/* Portfolio Filters and Cards V2 */
.portfolio-filters-v2 {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn-v2 {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn-v2:hover, .filter-btn-v2.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

.portfolio-grid-v2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.portfolio-card-v2 {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.portfolio-card-v2:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--color-shadow);
}

.portfolio-img-v2 {
    height: 200px;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-img-v2 i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #ffffff 30%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.5s ease;
}

.portfolio-card-v2:hover .portfolio-img-v2 i {
    transform: scale(1.1) rotate(5deg);
}

.portfolio-body-v2 {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-card-tag-v2 {
    color: var(--color-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: block;
}

.portfolio-body-v2 h3 {
    font-size: 1.25rem;
    margin-bottom: 0.50rem;
    font-weight: 700;
}

.portfolio-body-v2 p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.portfolio-links-v2 {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.portfolio-link-v2 {
    font-size: 0.8125rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--color-primary);
    cursor: pointer;
}

.portfolio-link-v2:hover {
    color: var(--color-secondary);
}

/* Contact Grid and Forms V2 */
.contact-grid-v2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-card-v2 {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.3s ease;
}

.contact-card-v2:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
}

.contact-icon-v2 {
    width: 50px;
    height: 50px;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: 12px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-v2 h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.contact-info-v2 p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.contact-form-v2 {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    padding: 2.5rem;
}

.form-control-v2 {
    background: var(--color-input-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.form-control-v2:focus {
    border-color: var(--color-primary);
    background: var(--color-bg-card);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.15);
}

/* Responsive Breakpoints */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    .menu-toggle-btn {
        display: none;
    }
    .hero-wrapper {
        grid-template-columns: 1.2fr 1fr;
    }
    .skills-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid-v2 {
        grid-template-columns: 1fr 1.8fr;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    .portfolio-grid-v2 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Fix for top demo-header buttons layout on mobile */
@media (max-width: 576px) {
    .demo-title-badge {
        display: none !important;
    }
    .demo-back-btn {
        font-size: 0.8rem;
    }
    .demo-cta-btn {
        font-size: 0.75rem;
        padding: 0.45rem 1rem;
    }
}

/* Button overrides to support proper theme contrast (avoiding white text on light background) */
.btn-outline {
    background: transparent;
    border: 1px solid var(--color-text-muted);
    color: var(--color-text); /* Uses theme text color instead of static white */
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline:hover {
    background: rgba(var(--color-primary-rgb), 0.05);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}