body { font-family: 'Inter', sans-serif; color: #333; }
h1, h2, h3, h4, h5, h6 { font-family: 'Montserrat', sans-serif; }

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #008080;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: #0047AB; }

.btn-primary {
    background: linear-gradient(135deg, #0047AB 0%, #003580 100%);
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 71, 171, 0.3);
}
.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(0, 71, 171, 0.45);
    transform: translateY(-2px);
}

.btn-ghost {
    border: 1.5px solid #0047AB;
    color: #0047AB;
    transition: all 0.3s ease;
}
.btn-ghost:hover {
    background: #0047AB;
    color: #fff;
}

.solution-card {
    transition: all 0.4s ease;
    border: 1px solid #e5e7eb;
}
.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 71, 171, 0.12);
    border-color: #008080;
}

.form-input {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-input:focus {
    border-color: #0047AB;
    box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.1);
    outline: none;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    opacity: 0;
}
.mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    color: #fff;
    font-weight: 500;
    z-index: 9999;
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.4s ease;
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}

@keyframes pulse-line {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}
.hero-bg-line {
    animation: pulse-line 4s ease-in-out infinite;
}