/* =====================================================================
   layout.css (v2 — overhaul visual)
   Topbar, sidebar mobile, footer — dengan glassmorphism & depth.
   ===================================================================== */

/* ---------------------------------------------------------------------
   Topbar
   --------------------------------------------------------------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--topbar-height-mobile);
    display: flex;
    align-items: center;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.topbar.is-scrolled {
    background-color: color-mix(in srgb, var(--color-bg-primary) 82%, transparent);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.topbar__inner {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--fw-extrabold);
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.topbar__brand img { height: 32px; width: auto; }

.topbar__menu { display: none; align-items: center; gap: var(--space-6); }

.topbar__menu a {
    position: relative;
    font-weight: var(--fw-medium);
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    padding-block: var(--space-2);
    transition: color var(--transition-fast);
}

.topbar__menu a:hover,
.topbar__menu a.is-active { color: var(--color-primary); }

.topbar__menu a.is-active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.topbar__actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-bounce);
}

.theme-toggle:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: rotate(-12deg);
}

.theme-toggle svg { width: 20px; height: 20px; }

.hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    position: relative;
}

.hamburger-btn svg { width: 24px; height: 24px; transition: transform var(--transition-base); }

/* ---------------------------------------------------------------------
   Sidebar (mobile drawer)
   --------------------------------------------------------------------- */
.sidebar-overlay {
    position: fixed; inset: 0;
    background-color: rgba(10, 12, 27, 0.55);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base);
    z-index: 200;
}

.sidebar-overlay.is-open { opacity: 1; visibility: visible; }

.sidebar-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 82%;
    max-width: 340px;
    background-color: var(--color-bg-elevated);
    z-index: 201;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
    padding: var(--space-8) var(--space-5);
    border-top-left-radius: var(--radius-xl);
    border-bottom-left-radius: var(--radius-xl);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.sidebar-drawer__close {
    align-self: flex-end;
    width: 40px; height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    border-radius: 50%;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-drawer__close:hover { background-color: var(--color-danger); color: #fff; }

.sidebar-drawer__menu { display: flex; flex-direction: column; margin-top: var(--space-6); }

.sidebar-drawer__menu a {
    display: flex;
    align-items: center;
    min-height: 48px;
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.sidebar-drawer__menu a:hover { color: var(--color-primary); padding-left: var(--space-2); }
.sidebar-drawer__menu a.is-active { color: var(--color-primary); font-weight: var(--fw-bold); }

.theme-switch-group { margin-top: var(--space-8); }

.theme-switch-group__label {
    font-size: var(--fs-caption);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    display: block;
    font-weight: var(--fw-bold);
}

.segmented-control {
    display: flex;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--space-1);
    gap: var(--space-1);
}

.segmented-control button {
    flex: 1;
    padding: var(--space-2);
    border-radius: calc(var(--radius-sm) - 3px);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.segmented-control button.is-active {
    background-color: var(--color-bg-elevated);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    font-weight: var(--fw-bold);
}

/* ---------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------- */
.site-footer {
    background: linear-gradient(160deg, var(--color-always-dark) 0%, #0D0F22 100%);
    color: var(--color-always-dark-text-secondary);
    padding-block: var(--space-20) var(--space-6);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: "";
    position: absolute;
    top: -20%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.site-footer a { color: var(--color-always-dark-text-secondary); transition: color var(--transition-fast); }
.site-footer a:hover { color: #fff; }

.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-10); position: relative; z-index: 1; }

.footer-brand__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-always-dark-text);
    font-weight: var(--fw-extrabold);
    font-size: 1.15rem;
    margin-bottom: var(--space-3);
}

.footer-brand__logo img { height: 30px; }

.footer-col h4 {
    color: var(--color-always-dark-text);
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-4);
}

.footer-col ul li { margin-bottom: var(--space-3); }

.social-icons { display: flex; gap: var(--space-3); margin-top: var(--space-5); }

.social-icons a {
    width: 38px; height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-always-dark-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), transform var(--transition-bounce), border-color var(--transition-fast);
}

.social-icons a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

.social-icons svg { width: 18px; height: 18px; }

.newsletter-form { display: flex; gap: var(--space-2); margin-top: var(--space-3); }

.newsletter-form input {
    flex: 1;
    min-width: 0;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-always-dark-border);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-always-dark-text);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary-light);
}

.gmaps-qr { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-5); }

.gmaps-qr img {
    width: 76px; height: 76px;
    border-radius: var(--radius-sm);
    background-color: #fff;
    padding: var(--space-1);
}

.footer-bottom {
    border-top: 1px solid var(--color-always-dark-border);
    margin-top: var(--space-16);
    padding-top: var(--space-6);
    text-align: center;
    font-size: var(--fs-caption);
    position: relative;
    z-index: 1;
}

/* ---------------------------------------------------------------------
   Breakpoint desktop untuk layout
   --------------------------------------------------------------------- */
@media (min-width: 992px) {
    .topbar { height: var(--topbar-height-desktop); }
    .topbar__menu { display: flex; }
    .hamburger-btn { display: none; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}