/* ============================================================
   ELEVEN — Components
   Navbar, buttons, badges, tags, cards, accordion
   ============================================================ */

/* ── Navbar ── */
.navbar {
    height: 110px;
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: var(--color-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-theme),
                border-color var(--transition-theme),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

.navbar--scrolled {
    background: var(--color-nav-bg);
    border-bottom-color: var(--color-nav-border);
    box-shadow: var(--shadow-subtle);
}

.flex-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-display);
    font-weight: var(--font-weight-bold);
    letter-spacing: 12px;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 50px;
}

.nav-links a {
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-text-muted);
    transition: color var(--duration-fast) ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--duration-normal) var(--ease-smooth);
}

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

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

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

#theme-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-toggle);
    margin-right: 30px;
    padding: 0;
    cursor: pointer;
    transition: background-color var(--transition-theme),
                border-color var(--transition-theme),
                box-shadow var(--transition-theme);
    /* Ensure minimum tap target */
    min-width: 52px;
    min-height: 28px;
}

/* The sliding knob */
#theme-toggle .toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-text);
    transition: transform var(--duration-normal) var(--ease-spring),
                background-color var(--transition-theme);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* SVG icons inside the knob */
#theme-toggle .toggle-knob svg {
    width: 12px;
    height: 12px;
    transition: opacity var(--duration-fast) ease,
                transform var(--duration-normal) var(--ease-spring);
}

#theme-toggle .toggle-icon-moon {
    position: absolute;
    fill: var(--color-bg);
    opacity: 1;
    transform: rotate(0deg);
}

#theme-toggle .toggle-icon-sun {
    position: absolute;
    fill: var(--color-bg);
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* ── Light mode: knob slides right, swap icons ── */
body.light-mode #theme-toggle .toggle-knob {
    transform: translateX(24px);
}

body.light-mode #theme-toggle .toggle-icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

body.light-mode #theme-toggle .toggle-icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Hover glow on the toggle pill */
#theme-toggle:hover {
    box-shadow: var(--shadow-toggle), var(--shadow-glow);
}

/* Focus state for keyboard accessibility */
#theme-toggle:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 3px;
}

/* ── Mobile Menu Toggle ── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    cursor: pointer;
    z-index: 1001;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-text);
    transition: transform var(--duration-normal) var(--ease-smooth),
                opacity var(--duration-fast);
}

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    padding: 22px 50px;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 2.5px;
    transition: transform var(--transition-hover),
                box-shadow var(--transition-hover),
                opacity var(--transition-hover);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-elevated);
    opacity: 0.9;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--color-btn-ghost-bg);
    color: var(--color-btn-ghost-text);
    border: 1px solid var(--color-btn-ghost-border);
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: border-color var(--transition-hover),
                color var(--transition-hover),
                transform var(--transition-hover),
                box-shadow var(--transition-hover);
}

.btn-ghost:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text);
    transform: translateY(-3px);
    box-shadow: var(--shadow-subtle);
}

.btn-minimal {
    border-left: 1px solid var(--color-border);
    padding-left: 35px;
    color: var(--color-text);
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color var(--duration-fast) ease;
}

.btn-minimal:hover {
    color: var(--color-accent);
}

/* ── Tags / Labels ── */
.tag {
    display: inline-block;
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

/* ── Step Numbers ── */
.num {
    font-family: var(--font-display);
    font-size: var(--text-caption);
    letter-spacing: 4px;
    color: var(--color-text-subtle);
    display: block;
    margin-bottom: var(--space-sm);
}

/* ── Stars (Reviews) ── */
.stars {
    font-size: 14px;
    letter-spacing: 6px;
    color: var(--color-accent);
}