/* ===== BASE ===== */
* {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

/* ===== GRADIENT BACKGROUND ===== */
.gradient-bg {
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, #0d1b2a 100%);
}

/* ===== NAVBAR SCROLL EFFECT ===== */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    color: #fff;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    background: transparent;
    cursor: pointer;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* ===== CARDS ===== */
.card-service {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s ease;
}

.card-service:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.card-service .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.4s ease;
    padding: 1.5rem;
}

.project-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.2);
}

/* ===== FLOATING SHAPES ===== */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    top: 0;
    left: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: #2563eb;
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: #7c3aed;
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: #06b6d4;
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) scale(1); 
    }
    33% { 
        transform: translate(30px, -30px) scale(1.1); 
    }
    66% { 
        transform: translate(-20px, 20px) scale(0.9); 
    }
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.section-subtitle {
    color: #60a5fa;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-block;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

@media (max-width: 640px) {
    .btn-primary, .btn-outline {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
        width: 100%;
    }
    
    .card-service {
        padding: 1.5rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }

}

/* ===== FILTER BUTTONS ===== */
.filter-btn {
    @apply px-5 py-2 rounded-full text-sm font-medium transition-all duration-300;
    background: rgba(255, 255, 255, 0.05);
    color: #9ca3af;
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.filter-btn.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

/* ===== PROJECT CARD OVERLAY ===== */
.project-card .overlay {
    background: linear-gradient(to top, rgba(10, 22, 40, 0.9), transparent);
}