@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #0f172a;
    --secondary-color: #2563eb;
    --accent-color: #38bdf8;
    --text-color: #334155;
    --bg-color: #ffffff;
    --header-height: 80px;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
}

/* Header Container */
.main-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.header-inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Section */
.logo-container a {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.75rem;
}

.logo-container img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

/* Header Actions (CTA) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-contact {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-contact:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-toggle.active .hamburger {
    background: transparent;
}

.mobile-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        padding: 4rem 2rem;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        transition: 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
    }

    .nav-menu.active {
        right: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .header-actions {
        display: none; /* Hide button on small mobile header, maybe put in menu */
    }

    .nav-link {
        font-size: 1.25rem;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .header-inner {
        padding: 0 1.25rem;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
    
    .logo-container img {
        height: 40px;
    }
}