/* 
   ==========================================================================
   PHELIPE SILVA COSTA FIGUEIREDO - PORTFOLIO WEB PREMIUM
   CSS Design System & Stylesheet
   ========================================================================== 
*/

/* Google Fonts - Outfit for Headings, Inter for Body */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* CSS Variables & Design Tokens */
:root {
    /* Colors */
    --bg-primary: #060913;
    --bg-secondary: #0c1122;
    --bg-tertiary: #141b34;
    --bg-card: rgba(15, 22, 42, 0.65);
    
    --primary: #de1c00;          /* FortData Crimson Red */
    --primary-rgb: 222, 28, 0;
    --accent-cyan: #ff5233;      /* Warm Coral/Orange Accent */
    --accent-cyan-rgb: 255, 82, 51;
    --accent-indigo: #ff3b30;    /* Vibrant Red */
    --accent-indigo-rgb: 255, 59, 48;
    --accent-emerald: #10b981;   /* Success / Performance Emerald */
    --accent-emerald-rgb: 16, 185, 129;
    --accent-amber: #f59e0b;     /* Highlights Amber */
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    /* Layout & Styling details */
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(255, 255, 255, 0.12);
    --glass-bg: rgba(12, 17, 34, 0.75);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-blur: blur(16px);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --container-max: 1200px;
    
    /* Shadow */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 50px -15px rgba(0, 0, 0, 0.7);
    --shadow-primary-glow: 0 0 30px rgba(222, 28, 0, 0.25);
    --shadow-cyan-glow: 0 0 30px rgba(255, 82, 51, 0.25);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Common Layout Components */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

/* Backdrop Glowing Orbs for Deep-Space Tech Look */
.glow-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(150px);
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}
.orb-1 {
    top: 5%;
    right: 5%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}
.orb-2 {
    top: 30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 70%);
}
.orb-3 {
    bottom: 10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Section Header Utility */
.section-title-wrapper {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    z-index: 1;
}

.section-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
    display: inline-block;
    position: relative;
}

.section-subtitle::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--accent-cyan);
    margin: 0.5rem auto 0;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons and Links */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-indigo) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-primary-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* Glassmorphism Navigation Bar */
.navbar {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: calc(100% - 3rem);
    max-width: var(--container-max);
    height: 4.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 1000;
    opacity: 0;
    animation: slideDownFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--primary) 100%);
    box-shadow: var(--shadow-cyan-glow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link-back {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-cyan);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-right: 1.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding-right: 1.5rem;
}

.nav-link-back:hover {
    color: var(--text-primary);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary));
    transition: var(--transition-smooth);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: inset 0 0 12px rgba(59, 130, 246, 0.05);
}

.hero-badge .pulse {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    animation: badgePulse 2s infinite;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-title .gradient-text-red {
    color: #ffffff;
    background: none;
    -webkit-text-fill-color: initial;
    letter-spacing: -0.03em;
    font-weight: 800;
}

.hero-title .gradient-text-orange {
    color: #94a3b8; /* Prata fosco premium */
    background: none;
    -webkit-text-fill-color: initial;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.hero-taglines {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tagline-item {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

/* Avatar / Interactive Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.profile-glow {
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary), var(--accent-indigo));
    opacity: 0.4;
    filter: blur(25px);
    z-index: 1;
    animation: rotateGlow 15s linear infinite;
}

.profile-card {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 6px;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-indigo) 100%);
    z-index: 2;
    box-shadow: var(--shadow-lg);
}

.profile-img-wrap {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* CSS Avatar Placeholder (used if user doesn't drop his jpg) */
.profile-placeholder-svg {
    width: 60%;
    height: 60%;
    fill: var(--text-muted);
}

.profile-initials {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-indigo) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    user-select: none;
}

.profile-hint {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    z-index: 3;
    box-shadow: var(--shadow-sm);
    pointer-events: none;
}

.profile-hint-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 10px var(--accent-emerald);
}

/* About / Perfil Profissional */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: flex-start;
}

.about-details {
    position: sticky;
    top: 8rem;
}

.about-summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-quick-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.contact-quick-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-bounce);
}

.contact-quick-item:hover {
    transform: translateX(8px);
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.03);
}

.contact-quick-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-quick-info h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.15rem;
}

.contact-quick-info p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* About Pillars (Transformação, Segurança, etc.) */
.about-pillars {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient, var(--primary));
    transition: var(--transition-smooth);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-hover-border, rgba(59, 130, 246, 0.3));
    box-shadow: var(--shadow-md);
}

.pillar-card:nth-child(1) {
    --accent-gradient: linear-gradient(to bottom, var(--primary), var(--accent-cyan));
    --accent-hover-border: rgba(6, 182, 212, 0.3);
}

.pillar-card:nth-child(2) {
    --accent-gradient: linear-gradient(to bottom, var(--accent-amber), #ef4444);
    --accent-hover-border: rgba(245, 158, 11, 0.3);
}

.pillar-card:nth-child(3) {
    --accent-gradient: linear-gradient(to bottom, var(--accent-indigo), var(--primary));
    --accent-hover-border: rgba(99, 102, 241, 0.3);
}

.pillar-card:nth-child(4) {
    --accent-gradient: linear-gradient(to bottom, var(--accent-cyan), var(--accent-emerald));
    --accent-hover-border: rgba(16, 185, 129, 0.3);
}

.pillar-card:nth-child(5) {
    --accent-gradient: linear-gradient(to bottom, var(--accent-emerald), var(--primary));
    --accent-hover-border: rgba(16, 185, 129, 0.3);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.pillar-icon {
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pillar-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.pillar-card p {
    font-size: 0.925rem;
    color: var(--text-secondary);
}

/* Experience Section - Timeline */
.timeline-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

/* The vertical line */
.timeline-line {
    position: absolute;
    left: 2.5rem;
    top: 1rem;
    bottom: 1rem;
    width: 4px;
    background: linear-gradient(to bottom, 
                var(--accent-cyan) 0%, 
                var(--primary) 30%, 
                var(--accent-indigo) 60%, 
                var(--bg-tertiary) 100%);
    border-radius: var(--radius-full);
}

.timeline-items {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.timeline-item {
    position: relative;
    padding-left: 6rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Interactive Timeline Badge */
.timeline-badge {
    position: absolute;
    left: 1.35rem;
    top: 0.5rem;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 3px solid var(--primary);
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.timeline-item:hover .timeline-badge {
    transform: scale(1.2);
    background: var(--primary);
    box-shadow: 0 0 25px var(--primary);
}

.timeline-badge-inner {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    transition: var(--transition-bounce);
}

.timeline-item:hover .timeline-badge-inner {
    background: white;
    transform: scale(1.3);
}

/* Timeline Card */
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-bounce);
    position: relative;
}

.timeline-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-lg);
}

.timeline-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.timeline-role-company h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.timeline-company {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-date {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.timeline-content {
    margin-bottom: 1.5rem;
}

.timeline-content ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.timeline-content li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Results text highlighted inside Experience */
.timeline-results {
    background: rgba(16, 185, 129, 0.08);
    border: 1px dashed rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.timeline-results-icon {
    color: var(--accent-emerald);
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
}

/* Skills Section - Filter and Search */
.skills-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto 4rem;
    z-index: 2;
    position: relative;
}

.skills-search-wrapper {
    position: relative;
    width: 100%;
}

.skills-search-input {
    width: 100%;
    padding: 1.1rem 1.5rem 1.1rem 3.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.skills-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: var(--bg-tertiary);
}

.skills-search-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    pointer-events: none;
}

.skills-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-indigo) 100%);
    color: white;
    border: none;
    box-shadow: var(--shadow-primary-glow);
}

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

.skill-category-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-bounce);
    opacity: 1;
    transform: scale(1);
}

.skill-category-card.hidden {
    display: none;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.skill-category-icon {
    font-size: 1.4rem;
    color: var(--category-color, var(--primary));
}

.skill-category-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

/* Category Specific Highlight Colors */
.skill-category-card:nth-child(1) { --category-color: var(--accent-indigo); }
.skill-category-card:nth-child(2) { --category-color: var(--accent-cyan); }
.skill-category-card:nth-child(3) { --category-color: var(--accent-amber); }
.skill-category-card:nth-child(4) { --category-color: var(--accent-emerald); }
.skill-category-card:nth-child(5) { --category-color: var(--primary); }

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.skill-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.825rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-bounce);
    cursor: default;
}

.skill-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--category-color, var(--primary));
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.skill-badge.highlighted {
    background: var(--category-color, var(--primary));
    color: white;
    border-color: transparent;
    font-weight: 600;
}

/* Education and Certifications */
.edu-cert-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-bounce);
}

.education-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.edu-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.education-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.education-card .university {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.education-card .date {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.certs-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cert-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateX(8px);
    background: rgba(6, 182, 212, 0.02);
}

.cert-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cert-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-sm);
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.cert-details h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.cert-details p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.cert-badge-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-social-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    text-align: center;
}

.contact-social-card h3 {
    margin-bottom: 0.5rem;
}

.contact-social-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.social-links-grid {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-btn {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    transition: var(--transition-bounce);
}

.social-btn:hover {
    transform: translateY(-5px);
    background: var(--primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-primary-glow);
}

.social-btn.linkedin-btn:hover {
    background: #0077b5;
    box-shadow: 0 0 25px rgba(0, 119, 181, 0.4);
}

.social-btn.github-btn:hover {
    background: #24292e;
    box-shadow: 0 0 25px rgba(36, 41, 46, 0.4);
}

.social-btn.email-btn:hover {
    background: var(--accent-indigo);
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 3rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: relative;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

textarea.form-input {
    min-height: 150px;
    resize: vertical;
}

.form-label {
    position: absolute;
    left: 1.25rem;
    top: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* Floating Label Animation */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -0.65rem;
    left: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background-color: var(--bg-secondary);
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
}

.form-submit-btn {
    width: 100%;
}

/* Form Success Overlay */
.form-success-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-success-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.success-icon-wrap {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
    animation: scaleUpBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.form-success-overlay h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.form-success-overlay p {
    color: var(--text-secondary);
    max-width: 320px;
    margin-bottom: 2rem;
}

/* Footer Section */
.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-heart {
    color: #ef4444;
    animation: heartBeat 1.5s infinite;
}

/* Mobile Menu Panel */
.nav-menu-mobile {
    position: fixed;
    top: 6.5rem;
    left: 1.5rem;
    right: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.nav-menu-mobile.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-menu-mobile .nav-link {
    font-size: 1.1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Keyframes Animations */
@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes badgePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

@keyframes slideDownFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

@keyframes scaleUpBounce {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Media Queries (Responsive Styling) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    .about-grid, .edu-cert-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .about-details {
        position: static;
    }
}

@media (max-width: 768px) {
    section {
        padding: 5rem 0;
    }
    
    .navbar {
        top: 1rem;
        width: calc(100% - 2rem);
    }
    
    .nav-links, .nav-cta .btn-secondary {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .profile-container {
        width: 250px;
        height: 250px;
    }
    
    .hero-taglines {
        justify-content: center;
    }
    
    .hero-description {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .timeline-line {
        left: 1.25rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-badge {
        left: 0.25rem;
        width: 2rem;
        height: 2rem;
    }
    
    .timeline-card {
        padding: 1.5rem;
    }
    
    .timeline-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}