/* =====================
   Navigation
   ===================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    padding: 20px 0;
    transition: all 0.4s var(--ease-silk);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled, [data-theme="dark"] .navbar {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-subtle);
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-style: italic;
    cursor: pointer;
    display: flex;
    user-select: none;
}

.logo span {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.3s ease;
}

.logo:hover span {
    transform: translateY(-4px);
    transition-delay: calc(var(--i) * 0.05s);
}

.logo span.accent { color: var(--accent-gold); }

/* Desktop Nav Links */
.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
    letter-spacing: 0.02em;
}

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

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    cursor: pointer;
    padding: 10px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease-silk);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-2px);
}

.theme-toggle svg { transition: transform 0.6s var(--ease-silk); }
[data-theme="dark"] .theme-toggle svg { transform: rotate(360deg); }

/* Body transition */
body { transition: background-color 0.6s var(--ease-silk), color 0.6s var(--ease-silk); }

/* =====================
   Hamburger Button
   ===================== */
.nav-mobile-controls {
    display: none;
    align-items: center;
    gap: 12px;
}

.hamburger {
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    transition: border-color 0.3s ease, background 0.3s ease;
    position: relative;
    z-index: 1100;
}

.hamburger:hover {
    border-color: var(--accent-gold);
    background: var(--bg-tertiary);
}

.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.4s var(--ease-silk), opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
}

/* Hamburger → X animation */
.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
    width: 0;
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* =====================
   Mobile Drawer
   ===================== */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100dvh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    padding: 100px 32px 48px;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease-silk);
    will-change: transform;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-links {
    list-style: none;
    padding: 0;
    margin: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawer-link {
    display: block;
    padding: 16px 0;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-subtle);
    transition: color 0.2s ease, padding-left 0.3s ease;
    letter-spacing: -0.02em;
}

.drawer-link:hover {
    color: var(--accent-gold);
    padding-left: 8px;
}

.drawer-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 32px;
    background: var(--accent-gold);
    color: var(--bg-primary) !important;
    border: none;
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: 40px;
    text-decoration: none;
}

.drawer-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(196, 164, 108, 0.3);
}

/* Backdrop */
.mobile-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1040;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

/* Scroll lock */
body.drawer-open {
    overflow: hidden;
}

/* =====================
   Responsive Breakpoints
   ===================== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-mobile-controls { display: flex; }
}