/* CSS Variables */
:root {
    --bg-dark: #0a0a0a;
    --bg-card: #151515;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #72c02c;
    --accent-hover: #5da024;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --transition: all 0.3s ease;
    --header-height: 60px;
}

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

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    scroll-behavior: smooth;
    line-height: 1.6;
}

html {
    scroll-snap-type: y proximity;
}

/* Background Effects */
.pixel-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: 
        radial-gradient(circle at 20% 30%, rgba(114, 192, 44, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(114, 192, 44, 0.03) 0%, transparent 50%);
}

.pixel-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(114, 192, 44, 0.03) 2px, rgba(114, 192, 44, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(114, 192, 44, 0.03) 2px, rgba(114, 192, 44, 0.03) 4px);
}

.snow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.snowflake {
    position: absolute;
    top: -10px;
    color: rgba(255, 255, 255, 0.15);
    font-size: 12px;
    animation: fall linear infinite;
}

@keyframes fall {
    to {
        transform: translateY(100vh);
    }
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(114, 192, 44, 0.2);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
}

.logo {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav {
    display: flex;
    gap: var(--spacing-md);
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: var(--transition);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

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

/* Sections */
section {
    min-height: 100vh;
    padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
    scroll-snap-align: start;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent);
}

/* Buttons */
.btn {
    padding: 12px 32px;
    border: 2px solid var(--text-primary);
    background: transparent;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: var(--text-primary);
    color: var(--bg-dark);
}

.btn-primary {
    margin-top: var(--spacing-sm);
}
.btn-group {
    display: flex;
    justify-content: center; 
    gap: 16px; 
    margin-top: var(--spacing-sm);
    width: 100%; 
}
/* Icons */
.icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent);
    border-radius: var(--border-radius-sm);
    color: var(--accent);
    transition: var(--transition);
    text-decoration: none;
}

.icon:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* Hero Section */
#hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 600px;
}

.profile-pic {
    width: 280px;
    height: 280px;
    border-radius: 140px;
    border: 4px solid var(--accent);
    margin: 0 auto var(--spacing-md);
    object-fit: cover;
    background: var(--bg-card);
}

.hero-name {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card {
    background: var(--bg-card);
    border: 1px solid rgba(114, 192, 44, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    transition: var(--transition);
}

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

/* Experience Cards */
.experience-card {
    text-align: center;
}

.company-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.company-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.company-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.time-period {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent);
}

.skill-item {
    margin-bottom: var(--spacing-md);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent);
    width: 0;
    transition: width 1s ease;
}

.skill-progress.animate {
    width: var(--progress);
}

/* Certifications */
.cert-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.cert-item {
    background: var(--bg-card);
    border: 1px solid rgba(114, 192, 44, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.cert-item:hover {
    border-color: var(--accent);
}

.cert-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--accent);
}

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

.cert-credential {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Clickable Cards */
.clickable-card {
    cursor: pointer;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.card-image {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.award-date,
.project-tech {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.award-brief,
.project-brief {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
#contact {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.contact-content {
    max-width: 600px;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.contact-info {
    margin-bottom: var(--spacing-md);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid rgba(114, 192, 44, 0.3);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 100%;
    padding: var(--spacing-lg);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: rgba(114, 192, 44, 0.2);
    color: var(--accent);
}

.modal-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent);
}

.modal-images {
    margin-bottom: var(--spacing-md);
}

.modal-images img {
    width: 100%;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
}

.modal-details p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.github-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent);
    text-decoration: none;
    margin-top: var(--spacing-sm);
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(21, 21, 21, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 100px var(--spacing-md) var(--spacing-md);
        transition: right 0.3s ease;
        border-left: 1px solid rgba(114, 192, 44, 0.2);
    }

    nav.active {
        right: 0;
    }

    nav a {
        font-size: 1.1rem;
        padding: var(--spacing-sm) 0;
    }

    .hero-name {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .skills-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cert-list {
        grid-template-columns: 1fr;
    }

    .clickable-card {
        flex-direction: column;
        text-align: center;
    }

    .card-image {
        width: 100%;
        height: 200px;
    }

    .modal-content {
        padding: var(--spacing-md);
    }

    .modal-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
    }

    header {
        padding: 0 var(--spacing-sm);
    }

    .hero-name {
        font-size: 1.8rem;
    }

    .profile-pic {
        width: 150px;
        height: 150px;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .btn {
        padding: 10px 24px;
        font-size: 0.85rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* Scroll Lock */
body.modal-open {
    overflow: hidden;
}
/* Fix for image visibility */
img {
    opacity: 1 !important;
}
.link {
  color: var(--text-secondary);
  text-decoration: underline;
}

.link:hover {
  opacity: 0.7;
}
/* Reusable horizontal image gallery */
.image-gallery {
  display: flex;
  gap: 14px;
  align-items: center;
}

.image-gallery img {
  height: 200px;          /* small size */
  width: auto;
  border-radius: 8px;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Subtle hover effect */
.image-gallery img:hover {
  transform: scale(1.05);
  opacity: 1;
}