/* ============================================
   CSS Variables & Reset
   ============================================ */

:root {
    /* Color Palette */
    --primary-color: #1a365d;      /* Dark Navy */
    --secondary-color: #2c5282;    /* Medium Blue */
    --accent-color: #3182ce;       /* Bright Blue */
    --text-dark: #1a202c;         /* Dark Gray */
    --text-light: #4a5568;         /* Medium Gray */
    --text-lighter: #718096;       /* Light Gray */
    --bg-light: #f7fafc;           /* Light Background */
    --bg-white: #ffffff;           /* White */
    --border-color: #e2e8f0;       /* Border Gray */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    border-radius: 2px;
}

/* ============================================
   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);
    z-index: 1000;
    transition: var(--transition);
}

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

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 50%, #3182ce 100%);
    color: white;
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--spacing-xl);
    opacity: 0.15;
    z-index: 0;
}

.hero-icon-item {
    font-size: 4rem;
    color: white;
    animation: float 6s ease-in-out infinite;
}

.hero-icon-item:nth-child(1) { animation-delay: 0s; }
.hero-icon-item:nth-child(2) { animation-delay: 1s; }
.hero-icon-item:nth-child(3) { animation-delay: 2s; }
.hero-icon-item:nth-child(4) { animation-delay: 3s; }
.hero-icon-item:nth-child(5) { animation-delay: 4s; }
.hero-icon-item:nth-child(6) { animation-delay: 5s; }

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.15;
    }
    50% {
        transform: translateY(-20px) scale(1.1);
        opacity: 0.25;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeInUp 1s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-image-wrapper {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.2s both;
    display: block; /* Show by default */
}

.hero-image-wrapper:has(img[style*="display: none"]) {
    display: none;
}

.hero-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    display: block;
}

.hero-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
}

.hero-location {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.hero-value {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--bg-white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--accent-color);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
}

/* ============================================
   About Section
   ============================================ */

.about {
    background: var(--bg-light);
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-content:has(.about-image-wrapper:not([style*="display: none"])) {
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-md);
}

.about-image-wrapper {
    text-align: left;
    display: block; /* Show by default */
    padding-left: 0;
    margin-left: 0;
}

.about-image-wrapper:has(img[style*="display: none"]) {
    display: none;
}

.about-photo {
    width: 100%;
    max-width: 240px;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--bg-white);
    transition: var(--transition);
    display: block;
    margin-left: 0;
}

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

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    max-width: 100%;
    width: 100%;
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Supply Chain Flow Section
   ============================================ */

.supply-chain-flow {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
    overflow: hidden;
}

.supply-chain-flow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(26,54,93,0.05)" stroke-width="1"/></pattern></defs><rect width="60" height="60" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    position: relative;
    z-index: 1;
}

.flow-step {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    min-width: 180px;
    max-width: 200px;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.flow-step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.flow-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}

.flow-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
}

.flow-step:hover .flow-icon::before {
    animation: shine 1.5s infinite;
}

.flow-step h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.flow-step p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.flow-arrow {
    color: var(--accent-color);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    animation: pulse 2s infinite;
}

.flow-tools {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    box-shadow: var(--shadow);
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.tool-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.tool-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    -webkit-text-stroke: 0.5px var(--accent-color);
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* ============================================
   Skills Section
   ============================================ */

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

.skill-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: white;
    font-size: 1.5rem;
    -webkit-text-stroke: 0.5px white;
    text-shadow: 0 0 0 transparent;
}

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

.skill-list {
    list-style: none;
    padding-left: 0;
}

.skill-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.skill-list li i {
    color: var(--accent-color);
    font-size: 0.9rem;
    width: 16px;
    flex-shrink: 0;
}

/* ============================================
   Experience Section
   ============================================ */

.experience {
    background: var(--bg-light);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-lg);
}

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

.timeline-content {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.experience-header {
    margin-bottom: var(--spacing-sm);
}

.experience-header h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.experience-header .company {
    display: block;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.experience-header .location,
.experience-header .duration {
    display: inline-block;
    color: var(--text-lighter);
    font-size: 0.9rem;
    margin-right: var(--spacing-sm);
}

.experience-list {
    list-style: none;
    padding-left: 0;
    margin-top: var(--spacing-sm);
}

.experience-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-md);
    line-height: 1.7;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.experience-list li i {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
    width: 16px;
}

/* ============================================
   Education Section
   ============================================ */

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.education-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.education-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: white;
    font-size: 2rem;
}

.education-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.institution {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.location {
    color: var(--text-lighter);
    font-size: 0.9rem;
}

/* ============================================
   Certifications Section
   ============================================ */

.certifications {
    background: var(--bg-light);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.cert-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.cert-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
    border: 3px solid var(--accent-color);
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    transition: var(--transition);
    background: transparent;
    -webkit-text-stroke: 1px var(--accent-color);
    -webkit-text-fill-color: transparent;
}

.cert-card:hover i {
    background: var(--accent-color);
    -webkit-text-fill-color: white;
    -webkit-text-stroke: 1px white;
    transform: scale(1.1);
    border-color: var(--secondary-color);
}

.cert-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.cert-card p {
    color: var(--text-lighter);
    font-size: 0.9rem;
}

/* ============================================
   Awards Section
   ============================================ */

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.award-card {
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.award-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #f6ad55, #ed8936);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: white;
    font-size: 2rem;
}

.award-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.award-card p {
    color: var(--text-lighter);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.award-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* ============================================
   Volunteering Section
   ============================================ */

.volunteering {
    background: var(--bg-light);
}

.volunteering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.volunteer-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.volunteer-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: white;
    font-size: 1.5rem;
}

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

.organization {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.volunteer-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ============================================
   Languages Section
   ============================================ */

.languages-grid {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.language-item {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.language-name {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.language-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

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

.language-level {
    color: var(--text-lighter);
    font-size: 0.9rem;
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-details a,
.contact-details p {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--accent-color);
}

.contact-form {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-info h3 {
    margin-bottom: var(--spacing-xs);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ============================================
   Animations
   ============================================ */

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

@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;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .flow-container {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-xs) 0;
    }
    
    .flow-step {
        max-width: 100%;
        width: 100%;
    }
    
    .flow-tools {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tool-item {
        justify-content: center;
    }
    
    .hero-icons {
        display: none;
    }
    
    .hero-photo {
        width: 150px;
        height: 150px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-image-wrapper {
        order: -1;
    }
    
    .about-photo {
        max-width: 250px;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.2rem;
    }
    
    .hero-value {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-grid,
    .education-grid,
    .certifications-grid,
    .awards-grid,
    .volunteering-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 5px;
        width: 15px;
        height: 15px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .hero-title {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}