/* ========== NAVIGATION ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.125rem 0;
    transition: background 300ms var(--ease), backdrop-filter 300ms var(--ease), padding 300ms var(--ease);
}

.nav.scrolled {
    background: rgba(13, 27, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--white);
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    position: relative;
}

.brand-logo {
    height: 52px;
    width: auto;
    display: block;
}

.nav-brand .accent {
    color: var(--electric-light);
    position: relative;
}

.nav-brand .accent::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--electric-light);
    border-radius: 50%;
    opacity: 0;
}

.nav-brand.pulse .accent::after {
    animation: brandPulse 1.6s var(--ease) forwards;
}

@keyframes brandPulse {
    0% { opacity: 0; transform: translateY(-50%) scale(0.6); }
    40% { opacity: 1; transform: translateY(-50%) scale(1.4); box-shadow: 0 0 20px rgba(43, 133, 216, 0.7); }
    100% { opacity: 1; transform: translateY(-50%) scale(1); box-shadow: 0 0 0 rgba(43, 133, 216, 0); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width 300ms var(--ease);
}

.nav-links a:hover {
    color: var(--white);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.nav-actions .btn {
    padding: 0.625rem 1.125rem;
    font-size: 0.875rem;
}

.hamburger {
    display: none;
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 110;
}

.hamburger span {
    position: absolute;
    left: 4px;
    right: 4px;
    height: 2px;
    background: var(--white);
    transition: all 300ms var(--ease);
    border-radius: 1px;
}

.hamburger span:nth-child(1) { top: 8px; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 8px; }

.hamburger.open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: translateY(-50%) translateX(-12px); }
.hamburger.open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy);
    padding: 6rem 1.5rem 3rem;
    transform: translateY(-100%);
    transition: transform 400ms var(--ease);
    z-index: 105;
    flex-direction: column;
}

.mobile-nav.open {
    transform: translateY(0);
}

.mobile-nav a {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--white);
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.02em;
}

.mobile-nav-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 2rem;
}

/* ========== FOOTER ========== */
footer {
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
    padding: 5rem 0 2rem;
}

footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(26, 111, 191, 0.06) 0%, transparent 50%);
    animation: footerBreathe 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes footerBreathe {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
    margin-bottom: 3.5rem;
}

.footer-brand {
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    max-width: 280px;
}

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-links-col-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links-col a {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.55);
    padding: 0.375rem 0;
    transition: color var(--transition);
}

.footer-links-col a:hover { color: var(--white); }

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
}

.footer-email {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.7);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-email svg { width: 16px; height: 16px; }

.footer-bottom {
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.35);
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 1;
}