/* ============================================ */
/* SMI AGENTS CYBERPUNK THEME                   */
/* smishihab.com                                */
/* ============================================ */

:root {
    --bg-primary: #0A0E17;
    --bg-alt: #0F172A;
    --bg-card: #131C31;
    --accent-cyan: #00D4FF;
    --accent-magenta: #FF2D95;
    --accent-purple: #7C3AED;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border-color: rgba(0, 212, 255, 0.15);
    --shadow-cyan: 0 0 20px rgba(0, 212, 255, 0.15);
    --shadow-magenta: 0 0 20px rgba(255, 45, 149, 0.15);
    --font-english: 'Orbitron', sans-serif;
    --font-bangla: 'Hind Siliguri', sans-serif;
    --font-body: 'Inter', 'Hind Siliguri', sans-serif;
    --nav-height: 70px;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

/* ============================================ */
/* BASE STYLES                                  */
/* ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-magenta);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================ */
/* TYPOGRAPHY                                   */
/* ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-english);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.8rem); }

.bangla {
    font-family: var(--font-bangla);
    font-weight: 400;
}

/* ============================================ */
/* NAVIGATION                                   */
/* ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-english);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-white { color: var(--text-primary); }
.logo-cyan { color: var(--accent-cyan); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-bangla);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.nav-contact-btn {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary) !important;
    font-weight: 600;
    padding: 8px 20px;
    border: none;
}

.nav-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyan);
}

/* Hamburger Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-spacer {
    height: var(--nav-height);
}

/* ============================================ */
/* HERO SECTION                                 */
/* ============================================ */

.hero {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.03) 0%, transparent 70%);
    animation: heroGlow 10s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(5%, 5%) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.hero-title .glitch {
    position: relative;
    color: var(--text-primary);
}

.hero-title .glitch::before,
.hero-title .glitch::after {
    content: 'SMI SHIHAB';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.hero-title .glitch::before {
    color: var(--accent-cyan);
    animation: glitch1 4s infinite;
}

.hero-title .glitch::after {
    color: var(--accent-magenta);
    animation: glitch2 4s infinite;
}

@keyframes glitch1 {
    0%, 5%, 100% { opacity: 0; transform: translate(0); }
    1% { opacity: 0.8; transform: translate(-3px, 2px); }
    2% { opacity: 0.6; transform: translate(3px, -1px); }
    3% { opacity: 0.3; transform: translate(-1px, 1px); }
}

@keyframes glitch2 {
    0%, 5%, 100% { opacity: 0; transform: translate(0); }
    1% { opacity: 0.6; transform: translate(2px, -2px); }
    2% { opacity: 0.8; transform: translate(-2px, 1px); }
    3% { opacity: 0.4; transform: translate(1px, -1px); }
}

.hero-subtitle {
    font-family: var(--font-bangla);
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero-subtitle .highlight {
    color: var(--accent-cyan);
    font-weight: 600;
}

.hero-bio {
    font-family: var(--font-body);
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    font-family: var(--font-bangla);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
    color: var(--bg-primary);
}

/* Stats Row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-english);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    display: block;
}

.stat-label {
    font-family: var(--font-bangla);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================ */
/* SECTION COMMON                               */
/* ============================================ */

.section {
    padding: 80px 20px;
}

.section-alt {
    background: var(--bg-alt);
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-title .highlight {
    color: var(--accent-cyan);
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
    margin: 0 auto 50px;
    border-radius: 2px;
}

/* ============================================ */
/* PAGE HEADER                                  */
/* ============================================ */

.page-header {
    padding: 60px 20px 40px;
    text-align: center;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    margin-bottom: 10px;
}

.page-header h1 .highlight {
    color: var(--accent-cyan);
}

.page-header p {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    font-size: 1.1rem;
}

/* ============================================ */
/* CARDS                                        */
/* ============================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-cyan);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* ============================================ */
/* POST CARDS (Thoughts)                        */
/* ============================================ */

.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-cyan);
}

.post-card-body {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    font-family: var(--font-bangla);
    font-size: 0.8rem;
    border-radius: 20px;
    margin-bottom: 12px;
    width: fit-content;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.post-title {
    font-family: var(--font-bangla);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.post-title a {
    color: var(--text-primary);
}

.post-title a:hover {
    color: var(--accent-cyan);
}

.post-excerpt {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.post-meta i {
    color: var(--accent-cyan);
    margin-right: 5px;
}

/* ============================================ */
/* SINGLE POST                                  */
/* ============================================ */

.post-single {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.post-single-header {
    text-align: center;
    margin-bottom: 40px;
}

.post-single-title {
    font-family: var(--font-bangla);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.post-single-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.post-single-meta i {
    color: var(--accent-cyan);
    margin-right: 5px;
}

.post-single-content {
    font-family: var(--font-bangla);
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-primary);
}

.post-single-content p {
    margin-bottom: 1.2rem;
}

.post-single-content p:last-child {
    margin-bottom: 0;
}

.post-single-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    margin-bottom: 30px;
    transition: var(--transition);
}

.post-single-back:hover {
    color: var(--accent-cyan);
}

/* ============================================ */
/* PAGINATION                                   */
/* ============================================ */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-family: var(--font-english);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.pagination .active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    border: none;
}

.pagination .disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* ============================================ */
/* SEARCH FILTER                                */
/* ============================================ */

.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar .filter-btn {
    padding: 8px 20px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-bangla);
    font-size: 0.9rem;
    transition: var(--transition);
}

.filter-bar .filter-btn:hover,
.filter-bar .filter-btn.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* ============================================ */
/* ABOUT PAGE                                   */
/* ============================================ */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-text {
    font-family: var(--font-bangla);
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 2;
}

.about-text p {
    margin-bottom: 1.2rem;
}

.about-text .lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 500;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Philosophy 3-column grid */
.philosophy-grid {
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 30px !important;
}

/* Profile image */
.about-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.profile-image-wrap {
    text-align: center;
}

.profile-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-cyan);
}

.skill-card i {
    font-size: 1.8rem;
    color: var(--accent-cyan);
    margin-bottom: 10px;
}

.skill-card h4 {
    font-family: var(--font-bangla);
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.skill-card p {
    font-family: var(--font-bangla);
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 5px;
}

/* ============================================ */
/* PROJECTS PAGE                                */
/* ============================================ */

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-cyan);
}

.project-card h3 {
    font-family: var(--font-bangla);
    color: var(--text-primary);
    margin-bottom: 10px;
}

.project-card p {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-cyan);
    font-family: var(--font-bangla);
    font-weight: 500;
}

.project-link:hover {
    color: var(--accent-magenta);
    gap: 12px;
}

/* ============================================ */
/* CONTACT SECTION                              */
/* ============================================ */

.contact-section {
    padding: 80px 20px;
}

.contact-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-bangla);
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.contact-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-family: var(--font-bangla);
}

.contact-list li i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--accent-cyan);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-bangla);
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.submit-btn {
    width: 100%;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    font-family: var(--font-bangla);
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ============================================ */
/* FOOTER                                       */
/* ============================================ */

.footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border-color);
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-logo {
    font-family: var(--font-english);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.footer-tagline {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    margin-top: 10px;
    font-size: 0.95rem;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-bangla);
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-family: var(--font-bangla);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================ */
/* TOAST NOTIFICATIONS                          */
/* ============================================ */

.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 24px;
    border-radius: 10px;
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    animation: slideIn 0.3s ease;
    min-width: 280px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid;
}

.toast-success {
    background: rgba(0, 200, 83, 0.15);
    border-color: rgba(0, 200, 83, 0.3);
    color: #00C853;
}

.toast-error {
    background: rgba(255, 45, 85, 0.15);
    border-color: rgba(255, 45, 85, 0.3);
    color: #FF2D55;
}

.toast-info {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--accent-cyan);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============================================ */
/* RESPONSIVE                                   */
/* ============================================ */

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 5px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .stats-row {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }

    .philosophy-grid {
        grid-template-columns: 1fr !important;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .footer-links a:hover {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 30px 15px;
    }
    
    .hero-cta {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 50px 15px;
    }
    
    .post-card-body {
        padding: 20px;
    }
    
    .contact-form {
        padding: 20px;
    }
}

/* ============================================ */
/* SCROLLBAR                                    */
/* ============================================ */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================ */
/* SELECTION                                    */
/* ============================================ */

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
}

/* ============================================ */
/* ADMIN STYLES (embedded in dashboard)         */
/* ============================================ */

.admin-body {
    background: var(--bg-primary);
}

.admin-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 20px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-header h1 {
    font-size: 1.5rem;
}

.admin-logout {
    padding: 8px 20px;
    background: rgba(255, 45, 85, 0.15);
    color: #FF2D55;
    border: 1px solid rgba(255, 45, 85, 0.3);
    border-radius: 8px;
    font-family: var(--font-bangla);
    cursor: pointer;
    transition: var(--transition);
}

.admin-logout:hover {
    background: rgba(255, 45, 85, 0.25);
}

.admin-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.admin-tab {
    padding: 12px 24px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    transition: var(--transition);
    margin-bottom: -1px;
}

.admin-tab:hover {
    color: var(--text-primary);
}

.admin-tab.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.admin-table th {
    background: var(--bg-alt);
    color: var(--accent-cyan);
    font-family: var(--font-english);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-table td {
    color: var(--text-secondary);
    font-family: var(--font-bangla);
}

.admin-table tr:hover td {
    background: rgba(0, 212, 255, 0.03);
}

.admin-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-bangla);
    font-size: 0.85rem;
    transition: var(--transition);
}

.admin-btn-edit {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.admin-btn-edit:hover {
    background: rgba(0, 212, 255, 0.25);
}

.admin-btn-delete {
    background: rgba(255, 45, 85, 0.15);
    color: #FF2D55;
    border: 1px solid rgba(255, 45, 85, 0.2);
}

.admin-btn-delete:hover {
    background: rgba(255, 45, 85, 0.25);
}

.admin-btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    padding: 10px 24px;
}

.admin-btn-primary:hover {
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.admin-btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.admin-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    max-width: 700px;
}

.admin-form .form-group {
    margin-bottom: 20px;
}

.admin-form .form-group label {
    color: var(--text-primary);
    font-weight: 500;
}

.admin-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.admin-status-publish {
    background: rgba(0, 200, 83, 0.15);
    color: #00C853;
}

.admin-status-draft {
    background: rgba(255, 165, 0, 0.15);
    color: #FFA500;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.login-card .login-logo {
    font-family: var(--font-english);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.login-card h2 {
    font-family: var(--font-bangla);
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-weight: 400;
}

.login-card .form-group {
    text-align: left;
}

.login-error {
    background: rgba(255, 45, 85, 0.15);
    color: #FF2D55;
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-family: var(--font-bangla);
    font-size: 0.9rem;
    border: 1px solid rgba(255, 45, 85, 0.2);
}

/* Background Story Section */
.post-background-story {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(90, 50, 230, 0.08));
    border-left: 4px solid var(--accent-cyan);
    border-radius: 12px;
    padding: 30px;
    margin: 25px auto;
    max-width: 800px;
    position: relative;
}

.post-background-story .story-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: var(--font-bangla);
    font-weight: 500;
    margin-bottom: 15px;
}

.post-background-story .story-badge i {
    font-size: 0.9rem;
}

.post-background-story .story-content {
    font-family: var(--font-bangla);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
}

.post-background-story .story-content p {
    margin-bottom: 10px;
}

/* ============================================ */
/* KNOWLEDGE HUB                                */
/* ============================================ */

/* Intro text */
.knowledge-intro {
    max-width: 700px;
    margin: 20px auto 0;
    text-align: center;
}

.knowledge-intro p {
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* Empty state */
.knowledge-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.knowledge-empty i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

.knowledge-empty p {
    font-family: var(--font-bangla);
    font-size: 1.1rem;
}
/* ============================================ */

/* Card image on top of post-card */
.knowledge-card {
    cursor: default;
    overflow: hidden;
}

.knowledge-card-img {
    width: 100%;
    height: 200px;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.knowledge-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.knowledge-card:hover .knowledge-card-img img {
    transform: scale(1.05);
}

.knowledge-card .post-card-body {
    padding: 20px;
}

/* Knowledge Hub intro text */
.knowledge-intro {
    max-width: 700px;
    margin: 20px auto 0;
    text-align: center;
}

.knowledge-intro p {
    font-family: var(--font-bangla);
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* Empty state */
.knowledge-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.knowledge-empty i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

.knowledge-empty p {
    font-family: var(--font-bangla);
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .knowledge-card-img {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .knowledge-card-img {
        height: 140px;
    }
}