/* Layout Styles */

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    width: 100%;
}

section {
    padding: var(--spacing-lg) 0;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    transition: all 0.4s ease;
}

header.scrolled {
    background: rgba(10, 10, 15, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* Pre-animation state for nav items */
.nav-links li {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.nav-links li.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

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

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    padding-bottom: 5vh;
    /* Offset fixed header */
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 var(--spacing-sm);
    margin-top: 2rem;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 2.5rem;
    font-weight: 700;
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 50%, var(--highlight) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

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

/* Visual Elements */
.hero-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    width: 600px;
    height: 600px;
    opacity: 0.5;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

.glow-sphere {
    width: 100%;
    height: 100%;
    border-radius: 60%;
    background: radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 90%);
    filter: blur(60px);
    animation: pulse 4s infinite ease-in-out alternate;
}

.nav-avatar {
    height: 65px;
    width: auto;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.nav-avatar:hover {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--accent-color);
}

/* Animations Keyframes handled in animations.css, only strictly layout here */

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Mobile menu implementation usually requires JS toggle */
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--surface-color);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }
}

/* Section Headings */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    /* Adjusted for better balance with smaller image */
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1000px;
    /* Constrain width for better centering */
    margin: 0 auto;
    /* Center within the container */
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1.15rem;
    /* Slightly larger for better readability */
    line-height: 1.7;
    /* Improved line height */
    text-align: justify;
    /* Better alignment for text blocks */
}

.skills-list {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.skills-list span {
    background: var(--surface-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.skills-list span:hover {
    border-color: var(--accent-color);
    background: rgba(109, 40, 217, 0.2);
    transform: translateY(-2px);
}

.about-img-container {
    position: relative;
    display: inline-block;
    padding: 15px;
    z-index: 1;
}

.about-img-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(30px);
    opacity: 0.4;
    z-index: -1;
}

.about-img {
    width: 100%;
    max-width: 320px;
    /* Minimized size */
    height: auto;
    object-fit: cover;
    border-radius: 40px;
    /* Highly rounded box border */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    display: block;
    margin: 0 auto;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--surface-color);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, var(--accent-color), transparent);
    opacity: 0.2;
}

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

.project-card {
    background: var(--surface-color);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.project-card .card-image {
    transition: transform 0.5s ease;
}

.project-card:hover .card-image {
    transform: scale(1.05);
}

.card-image {
    width: 100%;
    height: 200px;
    background: #2a2a2a;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.5s ease;
}

.image-placeholder-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(45deg, rgba(109, 40, 217, 0.1), rgba(0, 224, 255, 0.1));
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.card-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.btn-link {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: auto;
    display: inline-block;
    background: none;
    border: none;
    padding: 0;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
}

.btn-link:hover {
    color: var(--highlight);
    text-decoration: underline;
}

/* Separator Line */
.section-separator {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    position: relative;
    opacity: 0.5;
    margin-top: var(--spacing-lg);
    overflow: hidden;
}

.section-separator::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    animation: shimmer 2s infinite;
}

/* Footer & Contact Redesign */
#contact {
    margin-top: var(--spacing-sm);
    /* Reduced margin since we have a separator */
    padding-top: var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    color: var(--text-primary);
}

/* Profile Column */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-nm);
}

.footer-logo h3 {
    margin: 0;
}

.footer-logo .logo-icon {
    font-size: 1.5rem;
    color: #3b82f6;
    /* Blue shield color */
}

.bio-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    max-width: 350px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.social-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: #3b82f6;
    transform: translateY(-2px);
}

.learning-card {
    background: rgba(59, 130, 246, 0.05);
    /* Very light blue tint */
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.learning-card .card-icon {
    font-size: 1.2rem;
    margin-top: 2px;
}

.learning-card h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.learning-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Learning Path Column */
.learning-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.learning-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.learning-list .list-icon {
    font-size: 1.2rem;
    color: #3b82f6;
}

.learning-list strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.learning-list p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Quick Links Column */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #3b82f6;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Footer */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .bio-text {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* Mission Log (Work Experience) Styles */
.mission-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.mission-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.mission-marker {
    position: absolute;
    left: -2.6rem;
    top: 0;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: var(--transition-fast);
}

.mission-item:hover .mission-marker {
    background: var(--accent-color);
    transform: scale(1.2);
}

.mission-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    transition: var(--transition-fast);
}

.mission-content::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    opacity: 0.7;
}

.mission-item:hover .mission-content {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.mission-header {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: var(--spacing-xs);
}

.mission-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.mission-header .company {
    display: block;
    font-size: 1.1rem;
    color: var(--highlight);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.mission-header .date {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: monospace;
    opacity: 0.8;
}

.mission-details {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.mission-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.mission-details li::before {
    content: "";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.mission-details li strong {
    color: var(--text-primary);
    font-weight: 600;
}


/* Updated Skills List Styles for Icons */
.skills-list {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
    margin-top: var(--spacing-md);
}

.skills-list i,
.skills-list .custom-icon {
    font-size: 2.5rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skills-list i:hover,
.skills-list .custom-icon:hover {
    transform: translateY(-5px) scale(1.1);
    color: var(--text-primary);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

/* Custom Icon Styling */
.custom-icon svg {
    width: 2.5rem;
    height: 2.5rem;
    stroke: var(--text-secondary);
    transition: var(--transition-fast);
}

.custom-icon:hover svg {
    stroke: var(--accent-color);
}

/* Expandable Skills Section */
.skills-hidden {
    display: none;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    width: 100%;
    margin-top: var(--spacing-md);
    animation: fadeIn 0.5s ease;
}

.skills-hidden.active {
    display: contents;
}

#toggle-skills-btn {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    font-weight: 600;
    cursor: pointer;
    margin-left: 0.5rem;
    /* margin-top removed to flow inline if needed, or keep small margin */
    align-self: center;
    transition: var(--transition-fast);
}

#toggle-skills-btn:hover {
    color: var(--text-primary);
    transform: translateY(2px);
}

/* Animation for hidden skills contents */
.skills-hidden.active>* {
    animation: fadeIn 0.5s ease;
}

/* Project Modal Styles (Netflix style) */
.project-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.project-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--surface-color);
    border-radius: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 2001;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    transform: scale(0.95);
    transition: var(--transition-smooth);
}

.project-modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    background: rgba(0,0,0,0.5);
    border: none;
    color: white;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2002;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.close-modal:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.modal-image-container {
    width: 100%;
    height: 350px;
    position: relative;
}

.modal-image-container::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 150px;
    background: linear-gradient(to top, var(--surface-color), transparent);
}

.modal-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.modal-body {
    padding: var(--spacing-md) var(--spacing-lg);
    position: relative;
    z-index: 2;
    margin-top: -50px; /* Overlap the gradient */
}

.modal-body h3 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.modal-body #modal-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    text-align: justify;
}

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

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .modal-image-container { height: 250px; }
    .modal-body { padding: var(--spacing-md); }
    .modal-body h3 { font-size: 1.8rem; }
}