/* Color Palette & Variables */
:root {
    --primary-bg: #111728;
    --dark-soft: #1e293b;
    --accent: #00bfff;
    --accent-gradient: linear-gradient(135deg, #00bfff 0%, #0072ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Background Animated Blobs */
.blob-c {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; overflow: hidden;
    filter: blur(80px);
}
.shape-blob {
    height: 300px; width: 300px;
    background: #00bfff;
    position: absolute; opacity: 0.15;
    border-radius: 50%;
    animation: move 20s infinite alternate;
}
.shape-blob.one { top: -50px; right: -50px; background: #0072ff; width: 500px; height: 500px; }
.shape-blob.two { bottom: -100px; left: 10%; background: #4f46e5; }

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(100px, 100px) scale(1.2); }
}

/* Glassmorphism Classes */
.glass-nav {
    background: #142145;
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(183, 24, 24, 0.1);
    padding: 15px 0;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s ease;
}

/* Typography */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 30px;
    position: relative;
    max-width: fit-content;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding-top: 100px;
}

.hero-img-container {
    position: relative;
    display: inline-block;
}

/* keyframes section */
@keyframes clean-breathe {
    0% { transform: scale(1); filter: brightness(100%); }
    50% { transform: scale(1.03); filter: brightness(110%); }
    100% { transform: scale(1); filter: brightness(100%); }
}

/* .hero-profile-img section modify korun */
.hero-profile-img {
    width: 350px;
    height: 350px;
    
    /* Cover use korle pasher sada ongsho gulo ar dekha jabe na */
    object-fit: cover; 
    
    /* Mathar uporer ongsho jate kete na jay tai top-e align kora holo */
    object-position: top; 
    
    /* Samanno zoom-in korar jonno scale use kora holo */
    transform: scale(1.1); 
    
    border-radius: 50%;
    border: 8px solid rgba(0, 191, 255, 0.2);
    box-shadow: 0 15px 35px rgba(0, 191, 255, 0.2);
    
    /* Animation thakbe */
    animation: clean-breathe 6s ease-in-out infinite;
}

.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 0;
    background: var(--accent-gradient);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    color: white;
}

/* Buttons */
.btn-accent-gradient {
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s;
}

.btn-accent-gradient:hover {
    transform: scale(1.05);
    color: white;
    box-shadow: 0 10px 20px rgba(0, 191, 255, 0.3);
}

.btn-cta {
    background: rgba(0, 191, 255, 0.1);
    color: var(--accent) !important;
    border: 1px solid var(--accent);
    padding: 8px 20px;
    border-radius: 50px;
}

/* Skills Badges */
.skill-item {
    background: var(--glass-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s;
}

.skill-item:hover {
    background: var(--accent-gradient);
    transform: translateY(-5px);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    padding-left: 40px;
    position: relative;
    margin-bottom: 30px;
}

.timeline-dot {
    position: absolute;
    left: 0; top: 0;
    width: 16px; height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px; top: 0;
    width: 2px; height: 100%;
    background: rgba(0, 191, 255, 0.2);
}

/* Signature & Footer */
.signature-text {
    font-family: 'Brush Script MT', cursive;
    font-size: 2.5rem;
}

.h-line {
    width: 200px;
    height: 1px;
    background: rgba(255,255,255,0.2);
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    margin: 0 15px;
    transition: 0.3s;
}

.social-links a:hover { color: var(--accent); }

/* Navbar link gulo white korar jonno */
.navbar-nav .nav-link {
    color: #ffffff !important;
    transition: 0.3s;
}

/* Hover korle jate halka color change hoy */
.navbar-nav .nav-link:hover {
    color: var(--accent) !important;
}

/* Brand name (Md. Salauddin Yusuf) white korar jonno */
.navbar-brand {
    color: #ffffff !important;
}

/* Footer copyright text white korar jonno */
.footer .text-muted {
    color: #ffffff !important;
    opacity: 0.8; /* Pura white ektu chokhe lagle halka komate paren */
}