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

:root {
    /* Color Palette */
    --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --bg-light: #f3f4f6;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-english: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-fast);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #06b6d4 100%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    padding: var(--spacing-2xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.hero-profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--text-white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-md);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-family: var(--font-english);
    font-size: 2rem;
    font-weight: 300;
    opacity: 0.9;
}

.hero-tags {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-company {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.hero-company i {
    margin-right: var(--spacing-xs);
}

.hero-catchphrase {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-english);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--text-white);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--text-white);
    color: var(--primary-color);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--text-white);
    font-size: 2rem;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.scroll-indicator a:hover {
    opacity: 1;
}

/* ========================================
   Animations
   ======================================== */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

.delay-5 {
    animation-delay: 1s;
}

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

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section:nth-child(even) {
    background-color: var(--bg-gray);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.section-title i {
    margin-right: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   About / Strengths Section
   ======================================== */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.strength-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.strength-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    font-size: 2rem;
}

.strength-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.strength-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.strength-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.value-proposition {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--primary-color);
}

.value-proposition h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.value-proposition h3 i {
    margin-right: var(--spacing-sm);
}

.value-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.value-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-dark);
}

.value-list i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.implementation-examples {
    margin-top: var(--spacing-xl);
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--secondary-color);
}

.implementation-examples h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.implementation-examples h3 i {
    margin-right: var(--spacing-sm);
}

.examples-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.examples-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.example-item {
    text-align: center;
}

.example-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.example-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.example-caption {
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ========================================
   Skills Section
   ======================================== */
.skills-category {
    margin-bottom: var(--spacing-2xl);
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.skill-item {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.skill-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.skill-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.skill-years {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 1s ease;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-white);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-weight: 500;
    border: 2px solid var(--primary-light);
    transition: var(--transition-fast);
}

.tech-tag:hover {
    background: var(--primary-light);
    color: var(--text-white);
}

.tech-tag i {
    font-size: 1.2rem;
}

/* ========================================
   Experience Section
   ======================================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.timeline-marker {
    position: absolute;
    left: -32px;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--bg-white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.timeline-content {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.timeline-date {
    display: inline-block;
    background: var(--primary-light);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.company-info {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.company-info i {
    margin-right: var(--spacing-xs);
}

.role-tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.experience-details {
    margin-top: var(--spacing-md);
}

.experience-details h4 {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.experience-details ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.experience-details li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.experience-details li i {
    color: var(--success-color);
    margin-top: 4px;
}

.tech-tags-small {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tech-tags-small span {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    position: relative;
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border-top: 4px solid var(--primary-color);
}

.project-card-featured {
    border-top: 4px solid var(--secondary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-year {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    font-size: 1.8rem;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.project-image-single {
    margin-bottom: var(--spacing-md);
}

.project-image-single .project-img {
    width: 100%;
    max-height: 250px;
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.project-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.project-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-features {
    margin-bottom: var(--spacing-md);
}

.project-features h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.project-details {
    margin-bottom: var(--spacing-md);
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 10px;
    border-left: 3px solid var(--primary-light);
}

.project-details h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.project-details ul {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.project-details li {
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

.project-details strong {
    color: var(--primary-color);
}

.project-features ul {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.project-features li {
    margin-bottom: 4px;
    padding-left: var(--spacing-sm);
}

/* ========================================
   Certifications Section
   ======================================== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.cert-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
    border: 2px solid var(--border-color);
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.cert-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border: none;
}

.cert-badge {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2.5rem;
    color: var(--primary-color);
}

.cert-card.featured .cert-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.cert-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.cert-card.featured h3 {
    color: var(--text-white);
}

.cert-full-name {
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.cert-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.cert-card.featured .cert-description {
    color: rgba(255, 255, 255, 0.9);
}

.cert-details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    text-align: left;
    font-size: 0.85rem;
}

.cert-details p {
    margin-bottom: var(--spacing-xs);
}

.cert-logo {
    margin-top: var(--spacing-md);
}

.pmp-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* ========================================
   Implementation Examples Section
   ======================================== */
.implementation {
    background: var(--bg-gray);
}

.examples-gallery-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.examples-gallery-large .example-item {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

.examples-gallery-large .example-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.examples-gallery-large .example-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.examples-gallery-large .example-img:hover {
    transform: scale(1.03);
}

.examples-gallery-large .example-caption {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.contact-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.contact-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.service-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.service-list i {
    color: var(--success-color);
}

.contact-form-wrapper {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: 15px;
    color: var(--text-white);
}

.contact-message h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.contact-message p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-features {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature-item i {
    font-size: 1.5rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-info p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    opacity: 0.8;
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ========================================
   Image Modal
   ======================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding: 40px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--text-white);
    font-size: 40px;
    font-weight: bold;
    transition: var(--transition-fast);
    cursor: pointer;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--primary-light);
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--text-white);
    padding: var(--spacing-md);
    font-size: 1.1rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-profile-image {
        width: 150px;
        height: 150px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-catchphrase {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .strengths-grid,
    .skills-grid,
    .projects-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 25px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-marker {
        left: -22px;
        width: 15px;
        height: 15px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-profile-image {
        width: 120px;
        height: 120px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .strength-card,
    .timeline-content,
    .project-card {
        padding: var(--spacing-md);
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar,
    .hamburger,
    .scroll-indicator,
    .back-to-top,
    .hero-buttons {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .strength-card,
    .timeline-content,
    .project-card,
    .cert-card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}