/* Kamal'sLab — tech palette: deep space, cyan, electric blue */
:root {
    --bg-deep: #0a0e17;
    --bg-card: rgba(15, 23, 42, 0.65);
    --cyan: #22d3ee;
    --cyan-dim: rgba(34, 211, 238, 0.15);
    --blue: #3b82f6;
    --violet: #8b5cf6;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: rgba(34, 211, 238, 0.25);
    --glow: 0 0 40px rgba(34, 211, 238, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', system-ui, sans-serif;
    background-color: var(--bg-deep);
    color: var(--text);
    overflow-x: hidden;
}

.font-mono {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
}

/* Grid background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

#mainNav {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
}

#mainNav.scrolled {
    box-shadow: var(--glow);
}

.brand-accent {
    color: var(--cyan);
}

.navbar-dark .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link:focus {
    color: var(--cyan);
}

.btn-tech {
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    border: none;
    color: var(--bg-deep) !important;
    font-weight: 600;
}

.btn-tech:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 24px rgba(34, 211, 238, 0.35);
    color: var(--bg-deep) !important;
}

/* Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    padding-bottom: 2rem;
    position: relative;
}

.hero-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    left: 10%;
    top: 30%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.2) 0%, transparent 65%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
}

.gradient-text {
    background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--cyan);
    background: var(--cyan-dim);
    font-family: 'JetBrains Mono', monospace;
}

.text-tech-muted {
    color: var(--text-muted) !important;
}

/* Cards */
.card-tech {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    backdrop-filter: blur(8px);
    transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}

.card-tech:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.45);
    box-shadow: var(--glow);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
}

.section-line {
    width: 48px;
    height: 4px;
    background: linear-gradient(90deg, var(--cyan), var(--blue));
    border-radius: 2px;
}

/* Stats */
.stat-box {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--cyan);
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Skill pills */
.skill-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.1rem;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.35);
    border-radius: 0.75rem;
    color: var(--text);
    margin: 0.35rem;
}

.skill-pill i {
    color: var(--cyan);
}

/* Project cards */
.project-card .card-body {
    padding: 1.5rem;
}

.project-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cyan);
    font-family: 'JetBrains Mono', monospace;
}

/* Testimonial */
.testimonial-card {
    border-left: 3px solid var(--cyan);
}

.avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1rem;
}

/* Contact */
.contact-box {
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-card);
    transition: border-color 0.2s;
}

.contact-box:hover {
    border-color: rgba(34, 211, 238, 0.5);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    background: var(--cyan-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    font-size: 1.25rem;
}

.contact-box a {
    color: var(--text);
    text-decoration: none;
}

.contact-box a:hover {
    color: var(--cyan);
}

/* Footer */
.footer-tech {
    background: rgba(5, 8, 14, 0.95);
    border-top: 1px solid var(--border);
}

/* Utilities */
section {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.py-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

/* Mobile: tighter vertical rhythm — less empty space between blocks */
@media (max-width: 991.98px) {
    .hero-section {
        min-height: 0;
        align-items: flex-start;
        padding-top: 5.25rem;
        padding-bottom: 2rem;
    }

    section {
        padding-top: 2.25rem;
        padding-bottom: 2.25rem;
    }

    .py-section {
        padding-top: 2.25rem !important;
        padding-bottom: 2.25rem !important;
    }

    .section-block-head {
        margin-bottom: 1.25rem !important;
    }

    .stat-box {
        padding: 1rem 0.75rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .footer-tech.py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
}

.border-tech {
    border-color: rgba(34, 211, 238, 0.4) !important;
}

.text-cyan {
    color: var(--cyan) !important;
}