/* ===== NAVIGATION ===== */
nav {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(19, 51, 85, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    box-shadow: 0 2px 12px rgba(19, 51, 85, 0.08);
}

nav.nav-hidden {
    transform: translateY(-100%);
}

/* Remove container padding for nav */
nav .container {
    padding: 0;
    max-width: none;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem 1.25rem 1rem;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: auto; /* Push nav-right to far right edge */
    flex-shrink: 1;
    min-width: 0;
}

.logo-image {
    height: clamp(28px, 8vw, 40px); /* Fluid scaling: 28px at 320px, 40px at 500px+ */
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    flex: 1;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-links a {
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

.nav-links a.btn {
    color: var(--white) !important;
}

.nav-login {
    white-space: nowrap;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Right-side controls wrapper */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0; /* Never compress right-side controls */
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
    transition: opacity 0.3s ease;
    /* flex-shrink inherited from .nav-right */
}

.hamburger:hover {
    opacity: 0.7;
}

.hamburger:active {
    transform: scale(0.95);
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--navy);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Nav - Full-screen overlay from top */
.mobile-nav {
    display: none; /* Hidden by default - NO peeking possible */
    position: fixed;
    top: 0; /* Start from very top (was 76px - that caused peek bug!) */
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(19, 51, 85, 0.1);
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(19, 51, 85, 0.1);
    transform: translateY(-100%); /* Off-screen when inactive */
    transition: transform 0.3s ease;
    z-index: 999;
}

.mobile-nav.active {
    display: block; /* Show menu structure */
    transform: translateY(0); /* Slide into view */
}

.mobile-nav a {
    display: block;
    padding: 1rem 0;
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    border-bottom: 1px solid rgba(19, 51, 85, 0.1);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Open Sans', 'Ubuntu', sans-serif;
    text-align: center;
}

.btn-primary {
    background: var(--navy);
    color: var(--white);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(19, 51, 85, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--navy);
    border: 2px solid var(--navy);
}

.btn-secondary:hover {
    background: var(--navy);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--navy);
    border: 1.5px solid var(--navy);
    padding: 0.75rem 1.75rem;
}

.btn-outline:hover {
    background: var(--navy);
    color: var(--white);
}

.btn-white {
    background: var(--white);
    color: var(--navy);
}

.btn-white:hover {
    opacity: 0.95;
    transform: translateY(-2px);
}