/* ----- CSS VARIABLES FOR THEME ----- */
:root {
    /* SaaS Light Theme */
    --bg-primary: #F4F5F7;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;
    --skill-bg: #F9FAFB;
    --skill-border: #E5E7EB;
    --nav-bg: #FFFFFF;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --highlight-bg: #F3F4F6;
    --icon-bg: #F3F4F6;
    --icon-color: #374151;
    --tech-tag-bg: #F3F4F6;
    
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    --accent-glow: rgba(37, 99, 235, 0.15);
    
    --btn-text: #FFFFFF;
    --outline-hover-text: #111827;
}

.dark-mode {
    /* SaaS Dark Theme */
    --bg-primary: #0F1115;
    --bg-secondary: #161B22;
    --bg-card: #161B22;
    --text-primary: #E6EDF3;
    --text-secondary: #8B949E;
    --text-muted: #6E7681;
    --border-color: #30363D;
    --border-light: #21262D;
    --skill-bg: #21262D;
    --skill-border: #30363D;
    --nav-bg: #161B22;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --highlight-bg: #21262D;
    --icon-bg: #21262D;
    --icon-color: #E6EDF3;
    --tech-tag-bg: #21262D;
    
    --accent: #3B82F6;
    --accent-hover: #60A5FA;
    --accent-glow: rgba(59, 130, 246, 0.2);
    
    --btn-text: #FFFFFF;
    --outline-hover-text: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scroll-padding-top: 90px; /* accounts for sticky header */
}

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

a {
    text-decoration: none;
    color: var(--accent);
    transition: color 0.2s ease;
}
a:hover { color: var(--accent-hover); }

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    z-index: 999;
    transition: top 0.2s;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; }

a:focus-visible,
button:focus-visible,
.theme-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    max-width: 1100px !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    width: 100%;
}

header {
    background-color: var(--nav-bg);
    box-shadow: 0 4px 20px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.3s ease, padding 0.3s ease, background-color 0.3s ease;
}
header.shrink {
    padding: 5px 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 15px var(--shadow-color);
}
header.shrink .logo { font-size: 1.3rem; }
header.shrink .nav-links a { font-size: 0.85rem; }
header.hide-nav { transform: translateY(-100%); }

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    flex-wrap: wrap;
}
.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--accent);
}

/* Hamburger button */
.hamburger {
    display: none; /* hidden on desktop */
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    padding: 4px;
    z-index: 11;
}
.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: 2px;
}
.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    align-items: center;
}
.nav-links a {
    color: var(--text-secondary);
}
.nav-links a:hover { color: var(--accent); }

/* Active nav state */
.nav-links a[aria-current="section"] {
    color: var(--accent);
    position: relative;
}
.nav-links a[aria-current="section"]::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

/* ============ ICON-ONLY THEME TOGGLE ============ */
.theme-toggle {
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
    gap: 0;
    width: 40px;
    height: 40px;
    justify-content: center;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    position: relative;
}

.theme-toggle:hover {
    background: transparent;
    border: none;
    transform: none;
    color: var(--accent);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    position: absolute;
    inset: 9px;
    transition: color 0.2s ease, opacity 0.25s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    display: block;
    opacity: 0;
    transform: rotate(-90deg) scale(0.65);
}

.theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.dark-mode .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.dark-mode .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.65);
}

.theme-toggle.is-changing {
    animation: theme-toggle-pulse 0.45s ease;
}

@keyframes theme-toggle-pulse {
    50% { transform: scale(1.16); }
}

/* Hide the text label */
#themeToggleText {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .theme-toggle svg,
    .theme-toggle.is-changing {
        transition: none;
        animation: none;
    }
}

/* Adjust sidebar placement (desktop) */
@media (min-width: 769px) {
    .theme-toggle {
        width: 40px;
        height: 40px;
        margin: auto auto 10px;   /* centers icon at bottom, keeps spacing */
        align-self: center;
    }
}
/* ================================================================ */
/*                         BUTTON STYLES                             */
/* ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--accent);
    color: var(--btn-text);
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px var(--accent-glow);
    letter-spacing: 0.01em;
    white-space: nowrap;
    z-index: 1;
    -webkit-tap-highlight-color: transparent;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg,
            transparent 0%,
            rgba(255, 255, 255, 0.25) 45%,
            rgba(255, 255, 255, 0.4) 50%,
            rgba(255, 255, 255, 0.25) 55%,
            transparent 100%);
    z-index: 2;
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.btn:hover::before { left: 100%; }
.btn:hover {
    background-color: var(--accent-hover);
    color: var(--btn-text);
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 28px var(--accent-glow);
}
.btn:active {
    transform: translateY(-1px) scale(0.97);
    box-shadow: 0 2px 8px var(--accent-glow);
    transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.btn:hover svg { transform: translateX(2px); }
.btn-outline:hover svg { transform: translateX(2px); }

.btn-primary-cta {
    animation: cta-pulse 2.8s ease-in-out infinite;
}
@keyframes cta-pulse {
    0%, 100% { box-shadow: 0 4px 16px var(--accent-glow); }
    50% { box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 8px rgba(29, 78, 216, 0.08); }
}
.dark-mode .btn-primary-cta { animation-name: cta-pulse-dark; }
@keyframes cta-pulse-dark {
    0%, 100% { box-shadow: 0 4px 16px var(--accent-glow); }
    50% { box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 8px rgba(59, 130, 246, 0.1); }
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    box-shadow: none;
    font-weight: 600;
}
.btn-outline:hover {
    background-color: var(--accent);
    color: var(--outline-hover-text);
    box-shadow: 0 10px 28px var(--accent-glow);
    border-color: var(--accent);
}
.btn-outline:active {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
    z-index: 3;
}
@keyframes ripple-animation {
    to { transform: scale(4); opacity: 0; }
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; }

/* Hero section with clamp spacing */
.hero {
    padding: clamp(40px, 8vw, 100px) 0 clamp(40px, 6vw, 80px);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: clamp(24px, 5vw, 40px);
}
.hero-content { flex: 1 1 300px; }

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

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.hero-highlight {
    background: var(--highlight-bg);
    padding: 0 8px;
    display: inline-block;
    color: var(--text-primary);
    box-shadow: 0 2px 0 var(--accent);
    border-radius: 2px;
}
.hero-subtitle { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: 12px; }
.hero-tagline { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 28px; font-style: italic; }
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--bg-secondary);
    box-shadow: 0 20px 30px -10px var(--shadow-color);
}

section { padding: clamp(60px, 8vw, 100px) 0; }
.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 70px;
    height: 4px;
    background: var(--accent);
    border-radius: 4px;
}

.about-text {
    background: var(--bg-card);
    padding: 40px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 28px;
    box-shadow: 0 8px 20px var(--shadow-color);
    font-size: 1.1rem;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}
.current-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--highlight-bg);
    padding: 6px 18px;
    border-radius: 30px;
    font-weight: 500;
    margin-top: 20px;
    color: var(--text-secondary);
}
.pulse {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.skills-grid { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 20px; }
.skill-item {
    padding: 8px 20px;
    font-size: 0.95rem;
    border-radius: 30px;
    background: var(--skill-bg);
    border: 1px solid var(--skill-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: default;
}
.skill-item:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}
.project-card {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--bg-card);
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--accent);
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -8px rgba(96, 165, 250, 0.15);
    border-color: var(--accent);
}
.project-title { font-size: 1.4rem; font-weight: 650; margin-bottom: 12px; color: var(--text-primary); }
.project-title,
.certification-info h3,
.cert-id {
    overflow-wrap: anywhere;
}
.project-desc { color: var(--text-secondary); margin-bottom: 20px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tech-tag {
    background: var(--tech-tag-bg);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.project-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent);
    margin-top: auto;
}
.project-link::after { content: '→'; transition: transform 0.2s; }
.project-link:hover::after { transform: translateX(4px); }


.project-preview {
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    margin: -4px -4px 4px;
}

.project-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}
.contact-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    padding: 40px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 32px;
    border: 1px solid var(--border-light);
    gap: 28px;
}
.contact-left h3 { font-size: 1.8rem; font-weight: 650; margin-bottom: 8px; color: var(--text-primary); }
.contact-email { font-size: 1.2rem; color: var(--accent); font-weight: 500; }
.inline-icon {
    display: inline-block;
    vertical-align: -0.2em;
    flex: 0 0 auto;
    margin-right: 6px;
}

.contact-left h3,
#emailModalTitle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.contact-email {
    display: flex;
    align-items: center;
    gap: 6px;
}
.social-links { display: flex; gap: 24px; margin-top: 16px; }
.social-icon {
    background: var(--icon-bg);
    padding: 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    width: 48px; height: 48px;
    color: var(--icon-color);
    font-weight: 600;
    border: 1px solid var(--border-light);
}
.social-icon:hover { background: var(--accent); color: white; transform: translateY(-3px); }
.contact-buttons { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

footer {
    text-align: center;
    padding: 30px 0 20px;
    color: var(--text-muted);
    border-top: 2px solid var(--accent);
    margin-top: 20px;
}

/* Fade-in (with prefers-reduced-motion fallback) */
.fade-in-section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.9s ease-out, transform 0.9s ease-out;
}
/* Keeping the animation disabled so content never disappears if JS fails */
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

#backToTop {
    position: fixed;
    bottom: 30px; right: 30px;
    z-index: 99;
    background: var(--accent);
    color: white;
    border: none;
    width: 46px; height: 46px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}
#backToTop.show { opacity: 1; visibility: visible; }
#backToTop:hover { transform: translateY(-4px); background: var(--accent-hover); box-shadow: 0 10px 24px rgba(29, 78, 216, 0.4); }

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 40px var(--shadow-color);
    animation: modalSlideIn 0.3s ease-out;
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-content h2 { margin-bottom: 24px; color: var(--text-primary); font-size: 1.5rem; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-secondary); font-size: 0.95rem; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    background: var(--skill-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.dark-mode .form-group select {
    background-color: #1e293b;
    color: #f1f5f9;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23f1f5f9' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
}
.dark-mode .form-group select option { background-color: #1e293b; color: #f1f5f9; }
.modal-buttons { display: flex; gap: 14px; justify-content: flex-end; margin-top: 10px; flex-wrap: wrap; }

.project-modal-overlay { z-index: 2000; }
.project-modal-content { max-width: 700px; max-height: 85vh; overflow-y: auto; position: relative; padding-right: 20px; }
.modal-close-btn {
    position: absolute;
    top: 16px; right: 20px;
    background: transparent;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}
.modal-close-btn:hover { color: var(--accent); }
.project-modal-title { margin-bottom: 24px; color: var(--text-primary); font-size: 1.8rem; font-weight: 700; }
.project-features { margin-bottom: 30px; }
.project-features ul { list-style-type: none; padding-left: 0; }
.project-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}
.project-features li::before {
    content: "▹";
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.project-gallery { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.project-gallery img {
    width: calc(50% - 6px);
    max-height: 220px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}
.project-gallery img:hover { transform: scale(1.03); box-shadow: 0 6px 18px var(--shadow-color); }

.btn-view-details {
    padding: 10px 22px;
    font-size: 0.9rem;
    background-color: var(--accent);
    color: var(--btn-text);
    border: none;
    box-shadow: 0 4px 12px var(--accent-glow);
    margin-left: auto;
}
.btn-view-details:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }

.loading-spinner { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; color: var(--text-muted); font-size: 0.9rem; }
.spinner { width: 40px; height: 40px; border: 4px solid rgba(0,0,0,0.1); border-top-color: #1d4ed8; border-radius: 50%; animation: spin 0.8s linear infinite; margin-bottom: 10px; }
@keyframes spin { to { transform: rotate(360deg); } }
.dark-mode .spinner { border-color: rgba(255,255,255,0.2); border-top-color: #60a5fa; }

.shimmer-placeholder {
    display: inline-block;
    width: calc(50% - 6px);
    max-height: 220px;
    height: 180px;
    border-radius: 12px;
    background: linear-gradient(90deg, var(--skill-bg) 0px, var(--border-light) 40px, var(--skill-bg) 80px);
    background-size: 200px 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

/* ============ PREFERS-REDUCED-MOTION ============ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .fade-in-section {
        opacity: 1;
        transform: none;
        transition: none;
    }
    #particle-canvas { display: none; }
    .btn-primary-cta { animation: none; }
    .pulse { animation: none; }
    .spinner { animation: none; border-top-color: transparent; }
}

/* ============ MOBILE & RESPONSIVE ============ */
@media (max-width: 768px) {
    .fade-in-section {
        opacity: 1;
        transform: none;
    }

    .hamburger { display: flex; }
    nav { gap: 12px; }
    .logo { max-width: calc(100% - 52px); font-size: clamp(1.1rem, 5vw, 1.5rem); }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        gap: 20px;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px var(--shadow-color);
        display: none;
        max-height: calc(100vh - 76px);
        overflow-y: auto;
        z-index: 10;
    }
    .nav-links.active { display: flex; }
    
    .nav-links a { 
        width: 100%; 
        display: flex;
        align-items: center;
        justify-content: flex-start; /* Aligns icon and text to the left */
        gap: 12px;
        padding: 12px 16px;
    }

    /* Force the mobile icons to be small */
    .nav-links a svg {
        width: 20px !important;
        height: 20px !important;
        flex-shrink: 0;
    }
    .about-text, .contact-flex, .project-card {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: var(--bg-card);
    }
    header { backdrop-filter: blur(4px) !important; -webkit-backdrop-filter: blur(4px) !important; }
}

@media (max-width: 640px) {
    nav { flex-direction: row; }
    .hero { padding-top: 40px; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { justify-content: center; width: 100%; }
    .contact-flex { flex-direction: column; align-items: flex-start; gap: 24px; }
    .contact-buttons { flex-direction: column; align-items: stretch; width: 100%; }
    .contact-buttons .btn { justify-content: center; width: 100%; }
    .project-actions { flex-direction: column; align-items: stretch; }
    .btn-view-details { margin-left: 0; }
}

@media (max-width: 480px) {
    .project-gallery img { width: 100%; }
    .shimmer-placeholder { width: 100%; }
    .profile-image { width: 150px; height: 150px; }
}

/* Certifications */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.certification-card {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--bg-card);
    padding: 28px;
    border-radius: 24px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--accent);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.certification-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -8px rgba(96, 165, 250, 0.15);
    border-color: var(--accent);
}

.certification-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.cert-image {
    display: block;
    width: 100%;
    max-height: 180px;
    object-fit: contain;
    border-radius: 12px;
}

/* Credly Badge Wrapper Fix */
.credly-badge-wrapper {
    width: 100%;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 4px;
}

/* Scale down the Credly iframe so the 270px height fits inside the 180px wrapper */
.credly-badge-embed iframe {
    transform: scale(0.66);
    transform-origin: center center;
    border: none;
    border-radius: 8px;
    margin: 0;
    padding: 0;
}

.card-icon {
    display: block;
    width: 40px;
    height: 40px;
    color: var(--accent);
}

.certification-info h3 {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.cert-issuer {
    color: var(--text-secondary);
    font-weight: 500;
}

.cert-date,
.cert-id {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

.certification-card .project-link {
    margin-top: auto;
    align-self: flex-start;
}

/* Mobile responsiveness */
@media (max-width: 640px) {
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ TECH STACK SECTION ============ */
.tech-stack-grid {
    display: grid;
    gap: 32px;
    margin-top: 20px;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.tech-category:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.tech-category-title {
    font-family: monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--skill-bg);
    border: 1px solid var(--skill-border);
    border-radius: 20px;
    padding: 8px 16px;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    cursor: default;
}

.tech-badge:hover {
    background: var(--highlight-bg);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.tech-badge-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    /* Filter is defined via CSS variable to adapt to theme */
    filter: var(--tech-icon-filter);
}

.tech-badge-mark {
    display: inline-grid;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    place-items: center;
    border-radius: 4px;
    background: var(--accent);
    color: var(--btn-text);
    font-family: var(--display-font);
    font-size: 0.55rem;
    font-weight: 700;
    line-height: 1;
}

/* Light mode: icons are black (default from simple-icons CDN) */
:root {
    --tech-icon-filter: none;
}

/* Dark mode: invert black icons to white */
.dark-mode {
    --tech-icon-filter: invert(1);
}

/* Mobile adjustments */
@media (max-width: 640px) {
    .tech-category {
        padding: 20px;
    }
    .tech-badge {
        font-size: 0.85rem;
        padding: 6px 14px;
    }
    .tech-badge-icon {
        width: 16px;
        height: 16px;
    }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .tech-badge {
        transition: none;
    }
    .tech-badge:hover {
        transform: none;
    }
}

/* ---------- LOCATION BADGE ---------- */
.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--skill-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 20px;
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    margin-top: 12px;
    margin-bottom: 12px;
    white-space: nowrap;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.location-badge .location-icon {
    color: var(--accent);
    flex-shrink: 0;
}

/* Optional hover effect */
.location-badge:hover {
    border-color: var(--accent);
}

/* Mobile scaling */
@media (max-width: 640px) {
    .location-badge {
        font-size: 0.85rem;
        padding: 5px 12px;
        gap: 5px;
    }
    .location-badge .location-icon {
        width: 17px;
        height: 17px;
    }
}

/* ============ SEMINARS & WORKSHOPS ============ */
.seminars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.seminar-card {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--bg-card);
    padding: 28px;
    border-radius: 24px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--accent);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.seminar-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -8px rgba(96, 165, 250, 0.15);
    border-color: var(--accent);
}

.seminar-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.seminar-card h3 {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.seminar-organizer {
    color: var(--text-secondary);
    font-weight: 500;
}

.seminar-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

.seminar-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

/* Style for the optional link or tag */
.seminar-link,
.seminar-tag {
    display: inline-block;
    align-self: flex-start;
    margin-top: auto; /* pushes to bottom of card */
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--tech-tag-bg);
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}

.seminar-link:hover {
    background: var(--accent);
    color: var(--btn-text);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px var(--accent-glow);
}

.seminar-tag {
    cursor: default;
    background: var(--tech-tag-bg);
    color: var(--accent);
}
/* ============ EXPERIENCE SECTION ============ */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.experience-card {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--bg-card);
    padding: 28px;
    border-radius: 24px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--accent);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.experience-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -8px rgba(96, 165, 250, 0.15);
    border-color: var(--accent);
}

.experience-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.experience-card h3 {
    font-size: 1.25rem;
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.experience-company {
    color: var(--text-secondary);
    font-weight: 500;
}

.experience-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

.experience-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto; /* pushes tech tags to bottom */
}

/* Optional: add a subtle link if needed */
.experience-link {
    display: inline-block;
    margin-top: 12px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    align-self: flex-start;
    transition: color 0.2s;
}
.experience-link:hover {
    color: var(--accent-hover);
}

/* Mobile responsiveness */
@media (max-width: 640px) {
    .experience-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ TABS (CREDENTIALS) ============ */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: color 0.2s, background 0.2s;
    border-radius: 12px 12px 0 0;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--accent);
    background: var(--skill-bg);
}

.tab-btn.active {
    color: var(--accent);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-bottom: 2px solid var(--accent);
    border-radius: 12px 12px 0 0;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.tab-panel[hidden] {
    display: none;
}

/* Optional: animation when switching */
.tab-panel {
    animation: fadeInTab 0.3s ease-out;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile adjustments */
@media (max-width: 640px) {
    .tabs {
        gap: 4px;
    }
    .tab-btn {
        flex: 1 1 auto;
        text-align: center;
        font-size: 0.9rem;
        padding: 10px 8px;
    }
}
.hero { padding-bottom: 20px; }
#about { padding-top: 30px; }

/* ============ LEFT SIDEBAR NAVIGATION (Desktop) ============ */
@media (min-width: 769px) {
    body { 
        background-image: 
            linear-gradient(to right, rgba(17, 24, 39, 0.04) 1px, transparent 1px),
            linear-gradient(to bottom, rgba(17, 24, 39, 0.04) 1px, transparent 1px) !important;
        background-size: 32px 32px !important;
        background-position: center top !important;
    }
    .dark-mode body {
        background-image: 
            linear-gradient(to right, rgba(230, 237, 243, 0.04) 1px, transparent 1px),
            linear-gradient(to bottom, rgba(230, 237, 243, 0.04) 1px, transparent 1px) !important;
    }
    
    #main-header {
        position: fixed;
        top: 0; left: 0;
        width: 260px; height: 100vh;
        z-index: 100;
        background: var(--bg-secondary);
        border-right: 1px solid var(--border-color);
        border-bottom: none;
        box-shadow: none;
        backdrop-filter: none;
    }

    #main-header .container {
        max-width: 100%;
        padding: 0;
        height: 100%;
    }

    #main-header nav {
        flex-direction: column;
        align-items: stretch;
        height: 100%;
        padding: 24px 16px;
        gap: 0;
    }

    /* Logo Container */
    .logo-container {
        padding: 0 12px;
        margin-bottom: 24px;
        padding-bottom: 24px;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .logo {
        text-align: left;
        font-size: 1.25rem;
        color: var(--text-primary);
        font-weight: 700;
        letter-spacing: -0.02em;
    }
    .logo::before { content: '.'; color: var(--accent); }

    .logo-subtitle {
        font-size: 0.75rem;
        color: var(--text-muted);
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-left: 1px;
    }

    .hamburger { display: none !important; }

    /* Navigation Links */
    .nav-links {
        flex-direction: column;
        gap: 4px;
        align-items: stretch;
        width: 100%;
    }

    .nav-links a {
        display: flex;
        align-items: center;
        gap: 12px; /* Space between icon and text */
        padding: 10px 12px;
        border-radius: 8px;
        text-align: left;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: all 0.2s ease;
    }

    /* Style the SVG icons */
    .nav-links a svg {
        width: 18px;
        height: 18px;
        color: var(--text-muted);
        transition: color 0.2s ease;
        flex-shrink: 0;
    }

    /* Hover State */
    .nav-links a:hover {
        background: var(--bg-primary);
        color: var(--text-primary);
        transform: translateX(2px);
    }

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

    .nav-links a[aria-current="section"] {
        background: var(--bg-primary);
        color: var(--text-primary);
        font-weight: 600;
    }
    
    .nav-links a[aria-current="section"] svg {
        color: var(--accent);
    }

    /* The blue active indicator line */
    .nav-links a[aria-current="section"]::after {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 16px;
        background: var(--accent);
        border-radius: 0 4px 4px 0;
    }

    /* Theme toggle at the bottom of the sidebar */
    .theme-toggle {
        margin-top: auto;
        width: 100%;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 12px !important;
        height: auto !important;
        padding: 10px 12px !important;
        border-radius: 8px !important;
        border: 1px solid var(--border-color) !important;
        background: var(--bg-primary) !important;
        color: var(--text-secondary) !important;
    }
    
    .theme-toggle:hover {
        background: var(--border-light) !important;
        color: var(--text-primary) !important;
    }
    
    .theme-toggle svg {
        position: static !important;
        inset: auto !important;
        width: 18px !important; 
        height: 18px !important;
        margin: 0 !important;
    }
    
    #themeToggleText {
        display: block !important;
        margin-left: 0 !important;
        font-weight: 500;
    }

    body > main {
        margin-left: 260px;
    }
}

/* ============ REFINED PORTFOLIO SYSTEM ============ */
:root {
    --display-font: 'Space Grotesk', sans-serif;
    --body-font: 'DM Sans', sans-serif;
}

html { scroll-padding-top: 24px; }

body {
    font-family: var(--body-font);
    background-color: var(--bg-primary);
    background-image: linear-gradient(rgba(15, 118, 110, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 118, 110, 0.035) 1px, transparent 1px);
    background-size: 32px 32px;
}

h1, h2, h3, .logo, .btn, .tab-btn { font-family: var(--display-font); }
h1, h2, h3 { letter-spacing: -0.035em; }

header {
    box-shadow: 0 1px 0 var(--border-color);
    backdrop-filter: blur(16px);
}

.logo { color: var(--text-primary); font-size: 1.55rem; letter-spacing: -0.04em; }
.logo::before { content: '.'; color: var(--accent); }

.hero {
    min-height: min(760px, 88vh);
    padding-top: clamp(64px, 10vw, 120px);
    align-items: flex-end;
}

.hero-content { max-width: 700px; }
.hero-content h1 { font-size: clamp(2.8rem, 6vw, 5.4rem); line-height: 0.98; max-width: 760px; }
.hero-highlight { background: transparent; padding: 0; color: var(--accent); box-shadow: none; }
.typing-text { display: inline-block; min-width: 18ch; border-right: 3px solid var(--accent); padding-right: 8px; animation: typing-caret 0.9s steps(1) infinite; }
@keyframes typing-caret { 50% { border-color: transparent; } }
.hero-subtitle-detailed { max-width: 680px; color: var(--text-secondary); font-size: 1.08rem; }
.hero-subtitle-detailed p:first-child { margin-bottom: 18px; }
.hero-tagline { margin-bottom: 12px; color: var(--text-primary); font-style: normal; font-weight: 600; }
.hero-tinkering { margin-top: 8px; color: var(--text-muted); font-size: 0.9rem; }
.profile-image { width: 230px; height: 230px; border: 8px solid var(--bg-secondary); box-shadow: 0 24px 60px var(--shadow-color); }

section { padding: clamp(48px, 6vw, 80px) 0; }
.section-title { font-family: var(--display-font); font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 28px; }
.section-title::after { width: 42px; height: 3px; border-radius: 0; }

.about-text, .contact-flex, .project-card, .certification-card, .seminar-card, .experience-card, .tech-category {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 12px 30px var(--shadow-color);
}

.about-text { padding: clamp(24px, 5vw, 44px); background: var(--bg-card); }
.projects-grid, .certifications-grid, .seminars-grid, .experience-grid { gap: 18px; }
.project-card, .certification-card, .seminar-card, .experience-card { padding: 26px; border-top: 3px solid var(--accent); }
.project-card:hover, .certification-card:hover, .seminar-card:hover, .experience-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px var(--shadow-color); }
.project-title { font-family: var(--display-font); font-size: 1.3rem; }
.project-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: auto; }
.project-card { display: flex; flex-direction: column; }
.project-desc { flex: 1; }
.tech-tag, .tech-badge, .location-badge, .current-badge { border-radius: 6px; }
.tech-tag { padding: 5px 10px; }
.tech-category { padding: 22px; }
.tech-category-title { font-family: var(--display-font); letter-spacing: 0.08em; }

.btn { border-radius: 6px; padding: 12px 20px; box-shadow: 0 8px 18px var(--accent-glow); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px var(--accent-glow); }
.btn::before { display: none; }
.btn-primary-cta { animation: none; }
.btn-outline { border-width: 1px; }

.social-links { gap: 10px; }
.social-icon { width: 42px; height: 42px; border-radius: 6px; padding: 8px; font-family: var(--display-font); }
.contact-flex { padding: clamp(24px, 5vw, 44px); }

.tabs { gap: 4px; border-bottom: 1px solid var(--border-color); }
.tab-btn { border-radius: 6px 6px 0 0; }
.tab-btn.active { border-radius: 6px 6px 0 0; }

.modal-overlay { background: rgba(10, 22, 19, 0.72); }
.modal-content { border-radius: 10px; padding: clamp(24px, 5vw, 36px); }
.modal-close-btn { width: 40px; height: 40px; font-size: 1.7rem; }

footer { margin-top: 56px; border-top: 1px solid var(--border-color); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.chat-shell {
    display: grid;
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: 0 12px 30px var(--shadow-color);
}

.chat-intro {
    padding: clamp(24px, 5vw, 40px);
    background: var(--text-primary);
    color: var(--bg-primary);
    min-width: 0;
}

.chat-header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.chat-intro p { margin: 18px 0 24px; color: inherit; }
.chat-status { display: inline-flex; align-items: center; gap: 8px; font: 600 0.8rem var(--display-font); letter-spacing: 0.08em; text-transform: uppercase; }
.chat-status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.chat-prompts { display: grid; gap: 8px; }
.chat-prompt { padding: 10px 12px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 6px; background: transparent; color: inherit; text-align: left; font: 500 0.82rem var(--body-font); cursor: pointer; }
.chat-prompt:hover { border-color: var(--accent); color: var(--accent); }
.chat-controls {
    display: flex;
    justify-content: flex-start;
    margin-top: 24px;
}
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 6px;
    background: transparent;
    color: inherit;
    font: 600 0.78rem var(--display-font);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}
.btn-text:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
    transform: translateY(-1px);
}
.btn-text:active { transform: translateY(0); }
.btn-text:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.btn-text svg { flex: 0 0 auto; }

.chat-panel { display: flex; min-height: 360px; flex-direction: column; background: var(--bg-secondary); }
.chat-messages { display: grid; gap: 14px; flex: 1; max-height: 360px; overflow-y: auto; padding: 24px; min-width: 0; }
.chat-message { max-width: 82%; padding: 12px 14px; border-radius: 8px; background: var(--skill-bg); color: var(--text-secondary); }
.chat-message p { margin: 0; line-height: 1.5; }
.chat-message-user { justify-self: end; background: var(--accent); color: var(--btn-text); }
.chat-message-label { display: block; margin-bottom: 4px; color: var(--text-muted); font: 600 0.7rem var(--display-font); letter-spacing: 0.06em; text-transform: uppercase; }
.chat-message-user .chat-message-label { color: rgba(255, 255, 255, 0.72); }
.chat-form { display: flex; gap: 10px; padding: 16px; border-top: 1px solid var(--border-color); }
.chat-form input { min-width: 0; flex: 1; padding: 12px 14px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--skill-bg); color: var(--text-primary); font: 0.95rem var(--body-font); }
.chat-form input:focus { outline: 2px solid var(--accent); outline-offset: 2px; border-color: var(--accent); }
.chat-form .btn { flex-shrink: 0; padding: 10px 16px; }

@media (max-width: 700px) {
    .chat-shell { grid-template-columns: minmax(0, 1fr); }
    .chat-intro { padding: 24px; min-width: 0; }
    .chat-prompts { display: flex; overflow-x: auto; }
    .chat-prompt { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
    .btn-text { transition: none; }
    .btn-text:hover,
    .btn-text:active { transform: none; }
}

@media (min-width: 769px) {
    #main-header { width: 230px; }
    body > main { margin-left: 230px !important; width: calc(100% - 230px) !important; }
    #main-header nav { padding: 28px 18px; }
    .logo { margin-bottom: 28px; }
    .nav-links { gap: 8px; }
    .nav-links a { border-radius: 6px; padding: 11px 14px; }
}

@media (max-width: 640px) {
    .container { padding: 0 20px; }
    .hero { min-height: auto; padding-top: 56px; align-items: flex-start; }
    .hero-content h1 { font-size: clamp(2.6rem, 13vw, 4rem); }
    .profile-image { width: 150px; height: 150px; align-self: flex-start; }
    .section-title { margin-bottom: 22px; }
    .about-text { font-size: 1rem; }
    .tabs { overflow-x: auto; flex-wrap: nowrap; }
    .tab-btn { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
    body { background-image: none; }
    .typing-text { border-right-color: transparent; animation: none; }
}

/* ============ TECH STACK REDESIGN ============ */
.tech-stack-intro {
    max-width: 620px;
    margin: -18px 0 28px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.tech-stack-featured {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.tech-stack-featured .tech-badge {
    padding: 12px 16px;
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-primary);
    font-family: var(--display-font);
    font-weight: 600;
    box-shadow: 0 8px 18px var(--shadow-color);
}

.tech-stack-featured .tech-badge-icon {
    filter: invert(1);
}

.tech-stack-featured .tech-badge-mark {
    background: var(--accent);
    color: var(--text-primary);
}

.tech-stack-grid {
    gap: 24px;
    border-top: none;
    min-width: 0;
    width: 100%;
}

.tech-category {
    display: grid;
    grid-template-columns: minmax(160px, 0.35fr) 1fr;
    align-items: start;
    gap: 24px;
    padding: 24px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    box-shadow: none;
    min-width: 0;
    width: 100%;
}

.tech-category:hover {
    border-color: var(--border-color);
    box-shadow: none;
}

.tech-category-title {
    margin: 0;
    padding-top: 8px;
    color: var(--text-primary);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
}

.tech-badges {
    gap: 8px;
    min-width: 0;
}

.tech-badge {
    border-radius: 6px;
    padding: 8px 12px;
    font-family: var(--body-font);
    font-size: 0.9rem;
}

.tech-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px var(--accent-glow);
}

@media (max-width: 640px) {
    .tech-stack-intro { margin-top: -12px; font-size: 1rem; }
    .tech-stack-featured { margin-bottom: 22px; }
    .tech-stack-featured .tech-badge { flex: 1 1 calc(50% - 5px); justify-content: center; }
    .tech-category { grid-template-columns: 1fr; gap: 10px; padding: 18px; }
    .tech-category-title { padding-top: 0; }
}

/* ============ MOBILE SIZING FIXES (desktop unchanged) ============ */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
        width: 100%;
  }

  /* Prevent grid overflow */
  .projects-grid,
  .certifications-grid {
    grid-template-columns: 1fr;
  }

  .about-text,
  .contact-flex,
  .project-card,
  .certification-card,
  .tech-category {
    padding: 24px;
  }

  .section-title {
    font-size: 1.9rem;
  }

  .about-text {
    font-size: 1rem;
  }

  /* Stop iOS auto‑zoom on form fields */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
  }

  /* Hero subtitle / detailed text */
  .hero-subtitle-detailed {
    font-size: 0.95rem;
  }

  /* Project action links */
  .project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
  }

  .action-separator {
    display: none; /* hide separators on mobile */
  }

    .project-modal-content {
        width: calc(100vw - 24px);
        max-height: calc(100vh - 24px);
        padding: 20px;
    }
}

@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .profile-image {
    margin: 0 auto;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    justify-content: center;
    width: 100%;
  }

  .contact-flex {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .contact-buttons .btn {
    justify-content: center;
    width: 100%;
  }

  .project-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-view-details {
    margin-left: 0;
  }

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

  .tech-category {
    padding: 20px;
  }

  .tech-badge {
    font-size: 0.85rem;
    padding: 6px 14px;
  }

  .tech-badge-icon {
    width: 16px;
    height: 16px;
  }

  .location-badge {
    font-size: 0.85rem;
    padding: 5px 12px;
    gap: 5px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

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

  .btn {
    font-size: 0.95rem;
    padding: 12px 20px;
  }

  .about-text,
  .contact-flex,
  .project-card,
  .certification-card,
  .tech-category {
    padding: 20px;
  }

  .profile-image {
    width: 140px;
    height: 140px;
  }

  .social-icon {
    width: 42px;
    height: 42px;
  }

  .skill-item {
    padding: 6px 14px;
    font-size: 0.85rem;
  }

  .project-gallery img,
  .project-gallery img.loaded {
    width: 100% !important;
  }

  .image-fallback,
  .shimmer-placeholder {
    width: 100% !important;
  }
}

/* ============ COMMUNITY CHAT SPECIFIC STYLES ============ */

.community-user-info label {
    font-weight: 600;
    font-family: var(--display-font, 'Space Grotesk', sans-serif);
    font-size: 0.9rem;
    color: inherit;   /* inherits from .chat-intro, which is always opposite contrast */
    letter-spacing: 0.02em;
}

.community-user-info label {
    font-weight: 600;
    font-family: var(--display-font, 'Space Grotesk', sans-serif);
    font-size: 0.9rem;
    color: var(--text-primary, #14201d);
    letter-spacing: 0.02em;
}

.community-user-info input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color, #d7e1dc);
    border-radius: 6px;
    background: var(--skill-bg, #edf3ef);
    color: var(--text-primary, #14201d);
    font-family: var(--body-font, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.community-user-info input:focus {
    outline: none;
    border-color: var(--accent, #0f766e);
    box-shadow: 0 0 0 3px var(--accent-glow, rgba(15, 118, 110, 0.2));
}

/* Individual message bubble */
.community-message {
    background: var(--skill-bg, #edf3ef);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 12px;
    max-width: 85%;
    align-self: flex-start;
    transition: background-color 0.2s, transform 0.2s;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.community-message:hover {
    background: var(--highlight-bg, #d9eee8);
}

/* Header inside message */
.community-message-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
}

.community-message-name {
    font-weight: 700;
    font-family: var(--display-font, 'Space Grotesk', sans-serif);
    font-size: 0.85rem;
    color: var(--accent, #0f766e);
    letter-spacing: 0.02em;
}

.community-message-time {
    font-size: 0.75rem;
    color: var(--text-muted, #71807a);
    white-space: nowrap;
}

/* Message text */
.community-message-text {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary, #40504b);
    word-wrap: break-word;
}

/* Loading and error states */
.loading-message,
.error-message {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-muted, #71807a);
    font-size: 0.9rem;
    font-family: var(--body-font, 'DM Sans', sans-serif);
}

.error-message {
    color: #b91c1c;
    background: rgba(220, 38, 38, 0.05);
    border-radius: 8px;
}

/* Dark mode overrides for community chat */
.dark-mode .community-user-info input {
    background: var(--skill-bg, #1c2a26);
    color: var(--text-primary, #edf7f2);
    border-color: var(--border-color, #30413b);
}

.dark-mode .community-user-info input:focus {
    border-color: var(--accent, #5bc5b7);
    box-shadow: 0 0 0 3px var(--accent-glow, rgba(91, 197, 183, 0.2));
}

.dark-mode .community-message {
    background: var(--skill-bg, #1c2a26);
}

.dark-mode .community-message:hover {
    background: var(--highlight-bg, #1d423b);
}

.dark-mode .community-message-name {
    color: var(--accent, #5bc5b7);
}

.dark-mode .community-message-time {
    color: var(--text-muted, #91a69e);
}

.dark-mode .community-message-text {
    color: var(--text-secondary, #c5d4ce);
}

.dark-mode .loading-message,
.dark-mode .error-message {
    color: var(--text-muted, #91a69e);
}

.dark-mode .error-message {
    color: #fca5a5;
    background: rgba(220, 38, 38, 0.1);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .community-user-info {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .community-user-info label {
        font-size: 0.85rem;
    }

    .community-message {
        max-width: 95%;
        padding: 10px 12px;
    }

    .community-message-header {
        flex-direction: column;
        gap: 2px;
    }

    .community-message-time {
        font-size: 0.7rem;
    }
}

.community-user-info {
    display: flex;
    flex-direction: column;   /* label above input */
    align-items: stretch;      /* children take full width */
    gap: 10px;
    margin-bottom: 20px;
}

.community-user-info label {
    font-weight: 600;
    font-family: var(--display-font, 'Space Grotesk', sans-serif);
    font-size: 0.9rem;
    color: inherit;            /* fixes dark mode readability */
    letter-spacing: 0.02em;
}

.community-user-info input {
    width: 100%;               /* full width of container */
    min-width: 0;              /* allow input to shrink below its default size */
    padding: 10px 14px;
    border: 1px solid var(--border-color, #d7e1dc);
    border-radius: 6px;
    background: var(--skill-bg, #edf3ef);
    color: var(--text-primary, #14201d);
    font-family: var(--body-font, 'DM Sans', sans-serif);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;    /* ensure padding doesn't overflow */
}

/* Reply button on each message */
.community-message-reply-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    padding: 2px 6px;
    margin-left: 8px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.community-message-reply-btn:hover {
    color: var(--accent);
    background: var(--highlight-bg);
}

/* Reply banner above input */
.reply-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--highlight-bg);
    border-left: 3px solid var(--accent);
    margin: 0 16px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.reply-banner .btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 4px;
}

.reply-banner .btn-text:hover {
    color: var(--accent);
}

/* Quote block inside a message */
.community-message-quote {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent);
    padding: 6px 10px;
    margin-bottom: 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.community-message-quote strong {
    color: var(--accent);
}

/* Reply button on each message */
.community-message-reply-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    padding: 2px 6px;
    margin-left: 8px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.community-message-reply-btn:hover {
    color: var(--accent);
    background: var(--highlight-bg);
}

/* Reply banner above input */
.reply-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--highlight-bg);
    border-left: 3px solid var(--accent);
    margin: 0 16px 8px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.reply-banner .btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 4px;
}

.reply-banner .btn-text:hover {
    color: var(--accent);
}

/* Quote block inside a message */
.community-message-quote {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent);
    padding: 6px 10px;
    margin-bottom: 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.community-message-quote strong {
    color: var(--accent);
}

/* Active users panel */
.active-users-panel {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.active-users-title {
    font-family: var(--display-font, 'Space Grotesk', sans-serif);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: inherit;
    margin-bottom: 10px;
}

.active-users-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.active-users-list li {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: inherit;
}

.dark-mode .active-users-list li {
    background: rgba(0, 0, 0, 0.25);
}
.game-container {
  margin-top: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 12px 30px var(--shadow-color);
}

.game-title {
  font-family: var(--display-font);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.game-instructions {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

#gameCanvas {
    display: block;
  width: 100%;
        max-width: 1100px;
  height: auto;
    aspect-ratio: 8 / 5;
    object-fit: contain;
  background: var(--skill-bg);
  border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: default;
}

.room-exit-button {
    display: block;
    margin: 12px auto 0;
    padding: 10px 18px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font: 600 0.9rem var(--display-font);
    cursor: pointer;
}

.room-exit-button:hover {
    background: var(--accent);
    color: var(--btn-text);
}

.room-exit-button[hidden] {
    display: none;
}

/* ============ VIRTUAL JOYSTICK ============ */
.joystick-container {
  display: none;               /* hidden by default, shown on touch devices */
  position: relative;
  width: 120px;
  height: 120px;
  margin: 16px auto 0;
  touch-action: none;          /* prevent scrolling while touching */
}

.joystick-base {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  position: relative;
}

.joystick-stick {
  width: 50px;
  height: 50px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;        /* let the base capture touch */
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.mobile-interact {
    display: none;
    position: absolute;
    right: -82px;
    top: 50%;
    width: 62px;
    height: 62px;
    transform: translateY(-50%);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    background: var(--accent);
    color: var(--btn-text);
    font: 700 1.2rem var(--display-font);
    cursor: pointer;
    touch-action: manipulation;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.mobile-interact:active {
    transform: translateY(-50%) scale(0.94);
}

/* Show joystick only on touch devices */
@media (pointer: coarse) {
  .joystick-container {
    display: block;
  }

    .mobile-interact {
        display: block;
    }
}
/* ============ COMMUNITY TABS ============ */
.community-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.community-tab-btn {
    background: transparent;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: color 0.2s, background 0.2s;
    border-radius: 6px 6px 0 0;
    white-space: nowrap;
    font-family: var(--display-font);
}

.community-tab-btn:hover {
    color: var(--accent);
    background: var(--skill-bg);
}

.community-tab-btn.active {
    color: var(--accent);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-bottom: 2px solid var(--accent);
}

.community-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.community-panel[hidden] {
    display: none;
}

.community-panel {
    animation: fadeInTab 0.3s ease-out;
}

/* Mobile adjustments */
@media (max-width: 640px) {
    .community-tabs {
        gap: 4px;
    }
    .community-tab-btn {
        flex: 1 1 auto;
        text-align: center;
        font-size: 0.9rem;
        padding: 10px 8px;
    }
}

/* Smooth theme transition for main color-bearing elements */
body,
header,
nav,
main,
section,
footer,
.about-text,
.contact-flex,
.project-card,
.certification-card,
.seminar-card,
.experience-card,
.tech-category,
.skill-item,
.tech-tag,
.btn,
.btn-outline,
.modal-content,
.chat-shell,
.chat-intro,
.chat-panel,
.chat-message,
.tab-btn,
.community-tab-btn,
.location-badge,
.current-badge,
.social-icon,
#backToTop {
  transition: background-color 0.4s ease,
              color 0.4s ease,
              border-color 0.4s ease,
              box-shadow 0.4s ease;
}

/* ============ IMPROVED PROJECT GALLERY ============ */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.project-gallery img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: var(--skill-bg);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-gallery img:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 18px var(--shadow-color);
}

/* Hide broken images */
.project-gallery img.error {
    display: none;
}

/* Mobile: full width */
@media (max-width: 480px) {
    .project-gallery {
        grid-template-columns: 1fr;
    }
    .project-gallery img {
        height: auto;
        max-height: 300px;
    }
}

/* ============ PROJECT GALLERY LOADING SPINNER ============ */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-top: 20px;
    position: relative;
    min-height: 120px;
}

/* Loading spinner overlay */
.gallery-loader {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(var(--bg-primary-rgb), 0.7);
    border-radius: 8px;
}

.gallery-loader.show {
    display: flex;
}

.spinner-ring {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.gallery-loader p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Images container */
.project-gallery-images {
    display: contents; /* keeps grid layout */
}

/* Individual image */
.project-gallery img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: var(--skill-bg);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    opacity: 0;
    animation: fadeInImage 0.4s ease forwards;
}

.project-gallery img:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 18px var(--shadow-color);
}

/* Hide broken images */
.project-gallery img.error {
    display: none;
}

/* Fade in animation for images */
@keyframes fadeInImage {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Mobile: full width */
@media (max-width: 480px) {
    .project-gallery {
        grid-template-columns: 1fr;
    }
    .project-gallery img {
        height: auto;
        max-height: 300px;
    }
}
/* ============ NEW SAAS COMPONENTS ============ */
body {
    background-color: var(--bg-primary);
    background-image: 
        linear-gradient(to right, rgba(17, 24, 39, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(17, 24, 39, 0.04) 1px, transparent 1px) !important;
    background-size: 32px 32px !important;
    background-position: center top !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.dark-mode body {
    background-image: 
        linear-gradient(to right, rgba(230, 237, 243, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(230, 237, 243, 0.04) 1px, transparent 1px) !important;
}

/* Clean Cards */
.about-text, .contact-flex, .project-card, .certification-card, .seminar-card, .experience-card, .tech-category {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: 0 1px 3px var(--shadow-color) !important;
    border-top: none !important; /* Remove colored top line */
    backdrop-filter: none !important; /* Remove blur */
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

/* Hover effect */
.project-card:hover, .certification-card:hover, .seminar-card:hover, .experience-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px var(--shadow-color) !important;
    border-color: var(--text-muted) !important;
}

/* Tech Tags */
.tech-tag {
    background: var(--tech-tag-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    font-family: 'Fira Code', monospace !important;
    font-size: 0.75rem !important;
    padding: 4px 8px !important;
}

/* Clean Buttons */
.btn {
    border-radius: 8px !important;
    box-shadow: 0 1px 2px var(--shadow-color) !important;
    font-weight: 500 !important;
    font-family: 'Inter', sans-serif !important;
    animation: none !important; /* Remove pulsing */
}

.btn-primary-cta {
    background: var(--accent) !important;
    border: 1px solid var(--accent) !important;
}

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

.btn-outline:hover {
    background: var(--bg-primary) !important;
    border-color: var(--text-muted) !important;
}

/* Section Titles */
.section-title {
    font-weight: 600 !important;
    letter-spacing: -0.03em !important;
    color: var(--text-primary) !important;
}
.section-title::after {
    display: none !important; /* Remove underline */
}

/* Hide the particle canvas */
#particle-canvas {
    display: none !important;
}

/* Fix inputs for Dark Mode */
.form-group input, .form-group textarea, .form-group select {
    background: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}