/* Totoro Sushi & Grill - Main Stylesheet (style.css) */

@import url('variables.css');

/* --- HEADER & NAVIGATION --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(19, 19, 26, 0.06);
}

.header.scrolled {
    padding: var(--spacing-xs) 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(219, 56, 58, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-smooth);
}

.header.scrolled .nav-container {
    height: 64px;
}

/* Logo Design */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 850;
    font-size: 1.1rem;
    color: var(--color-primary);
    white-space: nowrap;
    text-decoration: none;
}

.logo-img {
    height: 48px;
    width: auto;
    max-width: 170px;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease, height 0.3s ease;
}

.logo:hover .logo-img {
    transform: scale(1.04);
}

.header.scrolled .logo-img {
    height: 40px;
}

.logo-stamp {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transform: rotate(-2deg);
    box-shadow: var(--shadow-sm);
    display: inline-block;
    border: 2px dashed var(--color-white);
    white-space: nowrap;
}

/* Nav Menu Desktop */
.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1vw, 20px);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    background-color: rgba(219, 56, 58, 0.05);
}

/* Header Action Right */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    height: 36px;
    padding: 3px;
    border: 1px solid rgba(19, 19, 26, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 4px 14px rgba(19, 19, 26, 0.08);
}

.language-switcher button {
    display: grid;
    place-items: center;
    min-width: 30px;
    height: 28px;
    padding: 0 7px;
    border: 0;
    border-radius: 999px;
    color: var(--color-text-muted);
    background: transparent;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 900;
    cursor: pointer;
}

.language-switcher button.active {
    color: var(--color-white);
    background: var(--color-secondary);
}

.language-switcher span {
    width: 1px;
    height: 14px;
    background: rgba(19, 19, 26, 0.12);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-bounce);
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(219, 56, 58, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(19, 19, 26, 0.2);
}

.btn-secondary {
    background-color: var(--color-gold);
    color: var(--color-secondary);
    box-shadow: 0 4px 12px rgba(230, 175, 46, 0.2);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Cart Icon */
.cart-trigger {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.cart-trigger svg {
    width: 20px;
    height: 20px;
    fill: var(--color-text-dark);
}

.cart-trigger:hover {
    background-color: var(--color-primary);
}

.cart-trigger:hover svg {
    fill: var(--color-white);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: var(--color-gold);
    color: var(--color-secondary);
    font-size: var(--font-size-xs);
    font-weight: 800;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-white);
}

/* Booking CTA: nhịp sáng dịu để dẫn mắt mà không tạo cảm giác chớp gắt. */
.btn-booking-nav {
    position: relative;
    isolation: isolate;
    animation:
        booking-button-nudge 3.6s ease-in-out infinite,
        booking-button-glow 1.8s ease-in-out infinite;
    box-shadow: 0 8px 20px rgba(217, 56, 58, 0.24);
}

.btn-booking-nav::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(110deg, transparent 22%, rgba(255, 255, 255, 0.46) 48%, transparent 74%);
    background-size: 220% 100%;
    pointer-events: none;
    animation: booking-button-shine 2.8s ease-in-out infinite;
}

.btn-booking-nav::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: -4px;
    border: 2px solid rgba(217, 56, 58, 0.36);
    border-radius: inherit;
    pointer-events: none;
    animation: booking-button-ripple 3.6s ease-out infinite;
}

.btn-booking-nav:hover,
.btn-booking-nav:focus-visible {
    animation: none;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 24px rgba(217, 56, 58, 0.32);
}

.btn-booking-nav:hover::after,
.btn-booking-nav:focus-visible::after {
    animation: none;
    opacity: 0;
}

@keyframes booking-button-glow {
    0%,
    100% {
        box-shadow: 0 8px 20px rgba(217, 56, 58, 0.24);
    }

    50% {
        box-shadow:
            0 10px 28px rgba(217, 56, 58, 0.46),
            0 0 0 4px rgba(230, 175, 46, 0.12);
    }
}

@keyframes booking-button-shine {
    0%,
    58% {
        background-position: 180% 0;
        opacity: 0;
    }

    68% {
        opacity: 1;
    }

    88%,
    100% {
        background-position: -80% 0;
        opacity: 0;
    }
}

@keyframes booking-button-nudge {
    0%,
    68%,
    100% {
        transform: translateY(0) scale(1);
    }

    74% {
        transform: translateY(-2px) scale(1.045);
    }

    81% {
        transform: translateY(0) scale(0.985);
    }

    88% {
        transform: translateY(-1px) scale(1.02);
    }
}

@keyframes booking-button-ripple {
    0%,
    68% {
        opacity: 0;
        transform: scale(1);
    }

    72% {
        opacity: 0.72;
    }

    96%,
    100% {
        opacity: 0;
        transform: scale(1.18);
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn-booking-nav,
    .btn-booking-nav::before,
    .btn-booking-nav::after {
        animation: none;
    }
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* --- RESPONSIVE HEADER --- */
@media (max-width: 1100px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--spacing-md) var(--spacing-md);
        gap: var(--spacing-md);
        transition: var(--transition-smooth);
        z-index: 1050;
        transform: translateX(110%);
        visibility: hidden;
        pointer-events: none;
    }

    .nav-menu.open {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
    }

    /* Hamburger animations */
    .hamburger.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.open span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.open span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* --- STICKY MOBILE CTA BAR --- */
.mobile-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 -4px 16px rgba(19, 19, 26, 0.1);
    display: none;
    grid-template-columns: repeat(4, 1fr);
    z-index: 999;
    border-top: 1px solid var(--color-border);
}

.mobile-cta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px var(--spacing-xs);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    text-transform: uppercase;
}

.mobile-cta-item svg {
    width: 20px;
    height: 20px;
    margin-bottom: 4px;
    fill: currentColor;
}

.mobile-cta-item.active, .mobile-cta-item:hover {
    color: var(--color-primary);
}

.mobile-cta-item-highlight {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
}

.mobile-cta-item-highlight:hover {
    background-color: var(--color-secondary);
}

@media (max-width: 768px) {
    .mobile-cta-bar {
        display: grid;
    }

    .mobile-cta-bar--buttons {
        right: 12px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        left: 12px;
        width: auto;
        gap: 7px;
        padding: 6px;
        border: 1px solid rgba(19, 19, 26, 0.08);
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 12px 34px rgba(19, 19, 26, 0.2);
        backdrop-filter: blur(14px);
    }

    .mobile-cta-bar--buttons .mobile-cta-item {
        min-height: 50px;
        flex-direction: row;
        gap: 8px;
        padding: 10px 14px;
        border: 1px solid rgba(19, 19, 26, 0.1);
        border-radius: 14px;
        background: var(--color-white);
        color: var(--color-secondary);
        font-size: 0.75rem;
        letter-spacing: 0.02em;
        box-shadow: 0 3px 10px rgba(19, 19, 26, 0.06);
    }

    .mobile-cta-bar--buttons .mobile-cta-item svg {
        width: 19px;
        height: 19px;
        margin: 0;
    }

    .mobile-cta-bar--buttons .mobile-cta-item-highlight {
        border-color: var(--color-primary);
        background: var(--color-primary);
        box-shadow: 0 7px 16px rgba(219, 56, 58, 0.28);
    }

    body:has(.mobile-cta-bar--buttons) {
        padding-bottom: 84px;
    }

    body {
        padding-bottom: 60px; /* Space for CTA bar */
        overflow-x: hidden;
    }

    .nav-container {
        height: 72px;
        gap: 8px;
    }

    .header.scrolled .nav-container {
        height: 60px;
    }

    .logo {
        min-width: 0;
        gap: 5px;
        font-size: 0.82rem;
    }

    .logo-img {
        height: 38px;
        max-width: 135px;
    }

    .header.scrolled .logo-img {
        height: 34px;
    }

    .logo-stamp {
        padding: 4px 6px;
        font-size: 0.65rem;
    }

    .nav-actions {
        flex-shrink: 0;
        gap: 7px;
    }

    .language-switcher {
        height: 34px;
    }

    .language-switcher button {
        min-width: 28px;
        height: 26px;
        padding: 0 5px;
        font-size: 0.68rem;
    }

    .btn-booking-nav {
        display: none !important;
    }

    .cart-trigger {
        width: 40px;
        height: 40px;
    }
}

/* --- GENERIC MAIN STYLING & DECORATIONS --- */
main {
    margin-top: 80px; /* Header spacing */
}

/* RED JAPANESE STAMP BADGE */
.section-title-wrapper {
    position: relative;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, var(--font-size-xl));
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    color: var(--color-secondary);
}

.heading-uppercase {
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
}

.section-stamp-bg {
    position: absolute;
    font-size: 80px;
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 900;
    color: rgba(219, 56, 58, 0.05);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -65%) rotate(-8deg);
    pointer-events: none;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 4px;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    border-top: 5px solid var(--color-primary);
}

.footer h3, .footer h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-about p {
    color: #A0A0AB;
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: #A0A0AB;
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 4px;
}

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    color: #A0A0AB;
}

.footer-contact strong {
    color: var(--color-white);
}

.footer-map iframe {
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

/* Social icons */
.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.social-icon:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-icon img {
    display: block;
    width: 21px;
    height: 21px;
}

.social-icon--facebook {
    background: #1877f2;
}

.social-icon--zalo {
    background: #0068ff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #71717A;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-policies a {
    margin-left: var(--spacing-sm);
    color: #71717A;
}

.footer-policies a:hover {
    color: var(--color-gold);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

.contact-grid > * {
    min-width: 0;
}

.contact-grid p,
.contact-grid a {
    overflow-wrap: anywhere;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-policies {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-policies a {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .contact-grid,
    main [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    .section-title-wrapper {
        overflow: hidden;
    }
}

/* --- COMMON MICRO-ANIMATIONS & UTILITIES --- */

/* Scroll Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.15, 0.85, 0.45, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Spin animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(219, 56, 58, 0.2);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.8s linear infinite;
}

/* Glassmorphism Generic Class */
.glass-panel {
    background: var(--color-card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-bounce);
}

.glass-panel:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(219, 56, 58, 0.2);
}

/* Japanese wave pattern background */
.bg-wave-pattern {
    background-image: radial-gradient(circle at 100% 150%, transparent 24%, rgba(219, 56, 58, 0.02) 24%, rgba(219, 56, 58, 0.02) 28%, transparent 28%, transparent),
                      radial-gradient(circle at 0% 150%, transparent 24%, rgba(219, 56, 58, 0.02) 24%, rgba(219, 56, 58, 0.02) 28%, transparent 28%, transparent),
                      radial-gradient(circle at 50%  100%, rgba(219, 56, 58, 0.02) 20%, transparent 20%, transparent 40%, rgba(219, 56, 58, 0.02) 40%, rgba(219, 56, 58, 0.02) 44%, transparent 44%, transparent),
                      radial-gradient(circle at 100% 50%, transparent 24%, rgba(219, 56, 58, 0.02) 24%, rgba(219, 56, 58, 0.02) 28%, transparent 28%, transparent),
                      radial-gradient(circle at 0% 50%, transparent 24%, rgba(219, 56, 58, 0.02) 24%, rgba(219, 56, 58, 0.02) 28%, transparent 28%, transparent);
    background-size: 40px 20px;
}