/* ===================================
   RPA Specialist Resume Website
   Modern & Professional Design
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --accent-color: #8b5cf6;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(71, 85, 105, 0.5);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px var(--shadow-color);
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 5px rgba(102, 126, 234, 0.4);
    transition: all var(--transition-normal);
}

.logo-icon-image {
    width: 80%;
    height: 80%;
    object-fit: contain;
    border-radius: 12px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background var(--transition-fast);
    border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-normal), top var(--transition-normal);
    border-radius: 2px;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--secondary-color);
    top: 50%;
    left: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: var(--primary-light);
    bottom: 20%;
    right: 15%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 30px) scale(1.05); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-badge i {
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-greeting {
    color: var(--primary-light);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-name {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-title {
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.hero-description {
    color: var(--text-muted);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 1s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-light);
    border-color: var(--primary-light);
}

.btn-secondary:hover {
    background: var(--primary-light);
    color: white;
    transform: translateY(-3px);
}

.hero-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease 0.5s forwards;
    opacity: 0;
}

.hero-image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero-image-inner {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-primary);
    padding: 5px;
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    position: relative;
    z-index: 1;
}

/* ===================================
   Stats Bar
   =================================== */
.stats-bar {
    background: var(--bg-secondary);
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Buttons
   =================================== */
.btn .btn-submit {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn .btn-submit:hover {
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
    transform: translateY(-3px);
}

/* ===================================
   Sections
   =================================== */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.about-image-inner {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: var(--gradient-primary);
    padding: 5px;
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary-light);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.about-subtitle {
    color: var(--primary-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
}

.about-subtitle i {
    font-size: 1.25rem;
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
    line-height: 1.8;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.detail-item i {
    color: var(--primary-color);
    width: 20px;
}

.about-competencies {
    margin-top: 2rem;
}

.competencies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.competency-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all var(--transition-normal);
}

.competency-item:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.competency-item i {
    color: var(--secondary-color);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--bg-primary);
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

.service-list li i {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* ===================================
   Skills Section
   =================================== */
.skills {
    background: var(--bg-secondary);
}

.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.skills-category {
    margin-bottom: 2rem;
}

.skills-category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.skills-category-title i {
    color: var(--primary-color);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    min-height: 80px;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.skill-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-percentage {
    color: var(--primary-light);
    font-weight: 600;
}

.skill-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-out;
}

.skills-highlight {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.skills-stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.highlight-card {
    background: var(--gradient-primary);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.highlight-card i {
    font-size: 2rem;
    color: white;
    margin-bottom: 1rem;
}

.hero-image-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(102, 126, 234, 0.3));
}

.highlight-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.highlight-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

/* ===================================
   Experience Section
   =================================== */
.experience {
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.3);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    width: 85%;
    position: relative;
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

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

.timeline-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-company {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.timeline-list {
    list-style: none;
}

.timeline-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
}

/* ===================================
   Education Section
   =================================== */
.education {
    background: var(--bg-secondary);
}

.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.education-category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.education-category-title i {
    color: var(--primary-color);
}

.education-list,
.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.education-item,
.certification-item {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

.education-item:hover,
.certification-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.education-icon,
.certification-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.education-details,
.certification-details {
    flex: 1;
}

.education-degree,
.certification-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.education-school,
.certification-issuer {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.education-year,
.certification-year {
    color: var(--primary-light);
    font-size: 0.875rem;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    background: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.portfolio-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.portfolio-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    transition: transform var(--transition-normal);
}

.portfolio-item:hover .portfolio-image-placeholder {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-links {
    display: flex;
    gap: 1rem;
}

.portfolio-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: white;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
}

.portfolio-link:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.8125rem;
}

.portfolio-stats {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.portfolio-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.portfolio-stats .stat i {
    color: var(--secondary-color);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.author-avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-role {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3,
.contact-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-description {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

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

.contact-detail {
    flex: 1;
}

.contact-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--primary-light);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.footer-title {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-submit {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit span {
    text-align: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.fade-in,
.timeline-item,
.skill-item,
.portfolio-item,
.education-item,
.certification-item,
.highlight-card,
.service-card,
.testimonial-card,
.stat-item,
.contact-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-social {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-content {
        grid-template-columns: 1fr;
    }

    .education-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content {
        gap: 2rem;
    }

    .hero-name {
        font-size: 2.5rem;
    }

    .hero-image-wrapper {
        width: 300px;
        height: 300px;
    }

    .hero-image-inner {
        padding: 3px;
    }

    .hero-image-placeholder {
        font-size: 5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image-wrapper {
        width: 280px;
        height: 280px;
    }

    .about-image-inner {
        padding: 3px;
    }

    .about-image-placeholder {
        font-size: 4rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 50px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-marker {
        left: 20px;
    }

    .timeline-content {
        width: 100%;
    }

    .services-grid,
    .portfolio-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .skills-highlight {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .highlight-number {
        font-size: 2rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }

    .section {
        padding: 4rem 0;
    }
}