/* ========================================
   MODERN PORTFOLIO - GLOBAL STYLES
   ======================================== */

:root {
    /* Dark Theme Colors - Darker */
    --bg-primary: #050709;
    --bg-secondary: #0B0E14;
    --bg-card: rgba(11, 14, 20, 0.85);
    --bg-card-hover: rgba(15, 20, 30, 0.95);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B4B9D1;
    --text-muted: #7A7F9D;
    
    /* Accent Colors */
    --accent-primary: #6366F1;
    --accent-secondary: #8B5CF6;
    --accent-tertiary: #EC4899;
    --accent-success: #10B981;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-secondary: linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
    --gradient-tech: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #EC4899 100%);
    --gradient-shine: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.5);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

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

body {
    position: relative;
}

/* Animated Background - Darker */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Grid Pattern Overlay - Subtle */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* ========================================
   GLOBAL PAGE CONTAINERS - DARK BACKGROUND
   ======================================== */

.page-container,
.home-container {
    background: transparent !important;
}

/* ========================================
   REMOVE WHITE LINES / GAPS
   ======================================== */

.section-title {
    margin-top: 0 !important;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}


a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
}

a:hover {
    color: var(--accent-secondary);
}

/* ========================================
   LAYOUT
   ======================================== */

.content {
    padding: 2rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ========================================
   HOME PAGE - HERO SECTION
   ======================================== */

.home-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    position: relative;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    animation: gradientShift 8s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* ========================================
   NAVIGATION CARDS
   ======================================== */

.navigation-section {
    padding: 3rem 0 5rem;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 3rem;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.nav-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.nav-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-shine);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg at 50% 50%,
        rgba(99, 102, 241, 0) 0deg,
        rgba(99, 102, 241, 0.3) 90deg,
        rgba(99, 102, 241, 0) 180deg
    );
    opacity: 0;
    transition: all var(--transition-slow);
}

.nav-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.6);
    background: var(--bg-card-hover);
}

.nav-card:hover::before {
    opacity: 1;
}

.nav-card:hover::after {
    opacity: 1;
    animation: cardRotate 3s linear infinite;
}

@keyframes cardRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.nav-card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-tech);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.nav-card-icon .bi {
    font-size: 2rem;
    color: white;
}

.nav-card:hover .nav-card-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.nav-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    transition: var(--transition-normal);
}

.nav-card:hover .nav-card-title {
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-card-description {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.nav-card-arrow {
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: 700;
    align-self: flex-end;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.nav-card:hover .nav-card-arrow {
    transform: translateX(12px);
    color: var(--accent-tertiary);
}

/* ========================================
   CERTIFICATIONS GRID
   ======================================== */

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.cert-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: 2rem 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 0.6s ease-out backwards;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-tech);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-normal);
}

.cert-card:hover::before {
    transform: scaleY(1);
}

.cert-card h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.cert-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.cert-card span {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.cert-card span::after {
    content: '?';
    font-size: 1.25rem;
    transition: transform var(--transition-normal);
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.6);
    background: var(--bg-card-hover);
}

.cert-card:hover h4 {
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-card:hover span {
    color: var(--accent-tertiary);
}

.cert-card:hover span::after {
    transform: translateX(5px);
}

/* Stagger animation for cert cards */
.cert-card:nth-child(1) { animation-delay: 0.1s; }
.cert-card:nth-child(2) { animation-delay: 0.2s; }
.cert-card:nth-child(3) { animation-delay: 0.3s; }
.cert-card:nth-child(4) { animation-delay: 0.4s; }
.cert-card:nth-child(5) { animation-delay: 0.5s; }
.cert-card:nth-child(6) { animation-delay: 0.6s; }

/* ========================================
   WHATSAPP BUTTON
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-normal);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.whatsapp-float:hover {
    color: white;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0; }
}

/* ========================================
   BUTTONS & FORMS
   ======================================== */

.btn-primary {
    background: var(--gradient-tech);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, 
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    outline: none;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   ERROR BOUNDARY
   ======================================== */

.blazor-error-boundary {
    background: linear-gradient(135deg, #DC2626 0%, #991B1B 100%);
    padding: 1.5rem 1.5rem 1.5rem 4.5rem;
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.blazor-error-boundary::before {
    content: '?';
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

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

@media (max-width: 1024px) {
    .nav-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        padding: 3rem 0;
    }
    
    .navigation-section {
        padding: 2rem 0 3rem;
    }
    
    .nav-cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .nav-card {
        min-height: 240px;
        padding: 2rem 1.5rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        bottom: 20px;
        right: 20px;
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 1.5rem 1rem;
    }
    
    .nav-card {
        padding: 1.75rem 1.25rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.valid.modified:not([type=checkbox]) {
    outline: 2px solid var(--accent-success);
}

.invalid {
    outline: 2px solid #DC2626;
}

.validation-message {
    color: #DC2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-tech);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
}

/* Bootstrap Icons Fix - Garantir que os ícones apareçam */
[class^='bi-']::before, [class*=' bi-']::before { 
    display: inline-block !important; 
    font-family: 'bootstrap-icons' !important; 
    font-style: normal; 
    font-weight: normal !important; 
    font-variant: normal; 
    text-transform: none; 
    line-height: 1; 
    vertical-align: -.125em; 
    -webkit-font-smoothing: antialiased; 
    -moz-osx-font-smoothing: grayscale; 
}