/* SANKO Projects Page Styles
---------------------------------------- */

/* Variables
---------------------------------------- */
:root {
    /* Colors */
    --color-black: #000000;
    --color-dark-gray-1: #1a1a1a;
    --color-dark-gray-2: #222222;
    --color-white: #ffffff;
    --color-light-gray-1: #f5f5f5;
    --color-light-gray-2: #e0e0e0;
    --color-blue-1: #3182ce;
    --color-blue-2: #4299e1;
    
    /* Typography */
    --font-family: 'Montserrat', sans-serif;
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-medium: 1.125rem;
    --font-size-large: 1.5rem;
    --font-size-xlarge: 2.5rem;
    --font-size-xxlarge: 3.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border */
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 14px;
    --border-radius-xlarge: 24px;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --transition-fast: 200ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 500ms ease;
}

/* Base Styles
---------------------------------------- */

.custom-portfolio-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box !important;
}

.custom-portfolio-wrapper .html {
    scroll-behavior: smooth;
}


.custom-portfolio-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
}

.custom-portfolio-wrapper a {
    text-decoration: none;
    color: inherit;
}

.custom-portfolio-wrapper h1, h2, h3, h4, h5, h6, p, li, a {
    color: #ffffff!important;
}

/* Mobile Filter Toggle - Ẩn mặc định */
.custom-portfolio-wrapper .mobile-filter-toggle {
    display: none;
}

/* Body & HTML Override for Mobile */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }
    
    .custom-portfolio-wrapper {
        max-width: 100vw !important;
        overflow-x: hidden !important;
    }
}

/* Container
---------------------------------------- */
.custom-portfolio-wrapper .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
}

/* Mobile Container Optimization */
@media (max-width: 768px) {
    .custom-portfolio-wrapper .container {
        padding: 0 1rem; /* Sử dụng padding nhỏ hơn cho mobile */
        box-sizing: border-box;
    }
    
    /* Đảm bảo tất cả elements không tràn trên mobile */
    .custom-portfolio-wrapper * {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .custom-portfolio-wrapper .filter-bar {
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .custom-portfolio-wrapper .projects__grid {
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .custom-portfolio-wrapper .project-card {
        box-sizing: border-box;
        max-width: 100%;
    }
    
    .custom-portfolio-wrapper .project-card__image {
        box-sizing: border-box;
        max-width: 100%;
    }
}

/* Hero Section
---------------------------------------- */
.custom-portfolio-wrapper .hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.custom-portfolio-wrapper .hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/img/kitchen-background.jpg') center/cover no-repeat;
    filter: brightness(0.3) blur(2px);
    z-index: 1;
}

.custom-portfolio-wrapper .hero__content {
    padding: var(--spacing-xl);
    max-width: 800px;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s var(--transition-normal) forwards;
}

.custom-portfolio-wrapper .hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    mask-image: linear-gradient(to bottom, transparent, black 50%);
    animation: maskReveal 1.2s var(--transition-normal) forwards;
}

.custom-portfolio-wrapper .hero__tagline {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes maskReveal {
    to {
        mask-image: linear-gradient(to bottom, black, black);
    }
}

/* Filter Bar
---------------------------------------- */
.custom-portfolio-wrapper .filter-bar {
    background-color: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.custom-portfolio-wrapper .filter-bar__inner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.custom-portfolio-wrapper .filter-bar__group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.custom-portfolio-wrapper .filter-bar__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-light-gray-2);
    white-space: nowrap;
}

.custom-portfolio-wrapper .filter-bar__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.custom-portfolio-wrapper .filter-tag {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.custom-portfolio-wrapper .filter-tag:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.custom-portfolio-wrapper .filter-tag.active {
    background: linear-gradient(to right, var(--color-blue-1), var(--color-blue-2));
    border-color: transparent;
}

/* Projects Grid
---------------------------------------- */
.projects {
    padding: var(--spacing-xl) 0;
    background-color: #000000;
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    box-sizing: border-box;
}

.projects__load-more {
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* Project Card
---------------------------------------- */
.project-card {
    background-color: var(--color-dark-gray-1);
    border-radius: var(--border-radius-medium);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    opacity: 0;
    transform: translateY(30px);
    animation: cardAppear 0.6s var(--transition-normal) forwards;
    animation-delay: calc(var(--index, 0) * 0.1s);
}

.project-card:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.project-card__image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden; /* Ngăn overlay tràn ra ngoài */
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-medium) var(--border-radius-medium) 0 0;
}

.project-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.87), #0000007a 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-sizing: border-box;
}


.project-card:hover .project-card__overlay {
    opacity: 1;
    transform: translateY(0);
}

.project-card__quote {
    margin-bottom: var(--spacing-md);
    font-style: italic;
    font-size: 0.9rem;
    line-height: 1.4;
}

.project-card__client {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    z-index: 2;
    max-width: calc(70% - var(--spacing-sm)); /* Để chừa chỗ cho year */
}

.project-card__year {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-small);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-white);
    z-index: 2;
}

@keyframes cardAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons
---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-large);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

.btn i {
    font-size: 1.1rem;
}

.btn--primary {
    background: linear-gradient(to right, var(--color-blue-1), var(--color-blue-2));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(49, 130, 206, 0.3);
}

.btn--primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(49, 130, 206, 0.4);
}

.btn--primary:active {
    transform: scale(0.97);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--secondary {
    background: transparent;
    border: 1px solid var(--color-blue-1);
    color: var(--color-blue-1);
}

.btn--secondary:hover {
    background: rgba(49, 130, 206, 0.1);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn--animated {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* CTA Section
---------------------------------------- */
.cta {
    padding: var(--spacing-xl) 0 calc(var(--spacing-xl) * 2);
}

.cta__inner {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(232, 232, 232, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta__title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta__text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* Responsive Styles
---------------------------------------- */
@media (max-width: 1280px) {
    .projects__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .projects__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero__title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .filter-bar__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .projects__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Typography tối ưu cho mobile - giảm font size */
    .custom-portfolio-wrapper .hero__title {
        font-size: 2rem !important; /* Giảm từ 3.5rem */
        line-height: 1.1;
        margin-bottom: 1rem; /* Giảm từ var(--spacing-sm) */
    }
    
    .custom-portfolio-wrapper .hero__tagline {
        font-size: 1rem; /* Giảm từ 1.25rem */
        margin-bottom: 1.5rem; /* Giảm từ var(--spacing-lg) */
    }
    
    /* Filter Bar Typography */
    .custom-portfolio-wrapper .filter-bar__label {
        font-size: 0.75rem; /* Giảm từ 0.875rem */
    }
    
    .custom-portfolio-wrapper .filter-tag {
        font-size: 0.6875rem; /* Giảm từ 0.75rem */
        padding: 0.1875rem 0.5rem; /* Giảm từ 0.25rem 0.75rem */
    }
    
    /* Project Card Typography */
    .custom-portfolio-wrapper .project-card__quote {
        font-size: 0.8rem; /* Giảm từ 0.9rem */
        line-height: 1.3; /* Giảm từ 1.4 */
    }
    
    .custom-portfolio-wrapper .project-card__client {
        font-size: 0.7rem; /* Giảm từ 0.8rem */
    }
    
    /* Button Typography */
    .custom-portfolio-wrapper .btn {
        font-size: 0.8rem; /* Giảm từ 0.9rem */
        padding: 0.5rem 1rem; /* Giảm từ 0.75rem 1.5rem */
    }
    
    /* CTA Section Typography */
    .custom-portfolio-wrapper .cta__title {
        font-size: 2rem; /* Giảm từ 2.5rem */
        margin-bottom: 1rem; /* Giảm từ var(--spacing-md) */
    }
    
    .custom-portfolio-wrapper .cta__text {
        font-size: 1rem; /* Giảm từ 1.1rem */
        margin-bottom: 1.5rem; /* Giảm từ var(--spacing-lg) */
    }
    
    /* Mobile Typography Scale */
    .custom-portfolio-wrapper h1 { font-size: 1.75rem !important; }
    .custom-portfolio-wrapper h2 { font-size: 1.5rem !important; }
    .custom-portfolio-wrapper h3 { font-size: 1.25rem !important; }
    .custom-portfolio-wrapper h4 { font-size: 1.125rem !important; }
    .custom-portfolio-wrapper h5 { font-size: 1rem !important; }
    .custom-portfolio-wrapper h6 { font-size: 0.875rem !important; }
    
    /* Text Reading Optimization for Mobile */
    .custom-portfolio-wrapper .project-card__quote,
    .custom-portfolio-wrapper .cta__text {
        line-height: 1.4; /* Tốt hơn cho mobile reading */
        text-align: left; /* Left align cho mobile */
    }
    
    /* Optimize text for mobile reading */
    .custom-portfolio-wrapper .filter-bar__inner {
        padding: 1rem 0; /* Giảm từ var(--spacing-md) 0 */
    }
    
    .custom-portfolio-wrapper .projects {
        padding: 2rem 0; /* Giảm từ var(--spacing-xl) 0 */
    }
    
    /* Hero Section Height Optimization for Mobile */
    .custom-portfolio-wrapper .hero {
        height: 50vh; /* Giảm từ 70vh */
        min-height: 350px; /* Giảm từ 500px */
    }
}

@media (max-width: 640px) {
    .projects__grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        height: 60vh;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .btn--primary {
        width: 100%;
    }
    
    /* Đảm bảo project card image không ẩn overlay */
    .project-card__image {
        overflow: visible !important; /* Cho phép overlay hiển thị trên mobile */
    }
    
    .project-card__overlay {
        opacity: 1 !important;
        transform: translateY(0) !important;
        height: auto;
        position: relative;
        background: var(--color-dark-gray-1) !important;
        padding: var(--spacing-md);
        box-sizing: border-box; /* Đảm bảo không tràn trên mobile */
        color: var(--color-white) !important; /* Đảm bảo text màu trắng */
        display: flex !important; /* Đảm bảo flex layout */
        flex-direction: column !important;
    }
    
    .project-card__client {
        position: absolute !important; /* Giữ position absolute để overlay lên ảnh */
        top: var(--spacing-sm) !important; /* Di chuyển lên cạnh năm */
        left: var(--spacing-sm) !important;
        background: rgba(0, 0, 0, 0.8) !important; /* Background tối hơn cho mobile */
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        padding: 0.375rem 0.75rem !important; /* Padding lớn hơn cho mobile */
        border-radius: var(--border-radius-small);
        font-size: 0.7rem !important;
        color: var(--color-white) !important;
        z-index: 3 !important; /* Z-index cao hơn overlay */
        max-width: calc(65% - var(--spacing-sm)) !important; /* Để chừa chỗ cho year */
        box-sizing: border-box;
    }
    
    .project-card__year {
        position: absolute !important; /* Giữ position absolute để overlay lên ảnh */
        top: var(--spacing-sm) !important;
        right: var(--spacing-sm) !important;
        background: rgba(0, 0, 0, 0.8) !important; /* Background tối hơn cho mobile */
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        padding: 0.375rem 0.5rem !important; /* Padding lớn hơn cho mobile */
        border-radius: var(--border-radius-small);
        font-size: 0.7rem !important;
        font-weight: 600;
        color: var(--color-white) !important;
        z-index: 3 !important; /* Z-index cao hơn overlay */
        max-width: calc(50% - 1rem); /* Đảm bảo không tràn */
        box-sizing: border-box;
    }
    
    /* Đảm bảo các elements trong overlay hiển thị trên mobile */
    .project-card__quote {
        color: var(--color-white) !important;
        margin-bottom: var(--spacing-md) !important;
        display: block !important;
    }
    
    .project-card .btn--ghost {
        display: inline-flex !important;
        color: var(--color-white) !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
    }
}

/* MOBILE TYPOGRAPHY OPTIMIZATIONS
---------------------------------------- */
@media (max-width: 768px) {
    .custom-portfolio-wrapper .mobile-text-small {
        font-size: 0.75rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-medium {
        font-size: 0.875rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-large {
        font-size: 1rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-center {
        text-align: center !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-left {
        text-align: left !important;
    }
    
    .custom-portfolio-wrapper .mobile-line-height-tight {
        line-height: 1.2 !important;
    }
    
    .custom-portfolio-wrapper .mobile-line-height-normal {
        line-height: 1.4 !important;
    }
}

/* EXTRA SMALL SCREENS TYPOGRAPHY OPTIMIZATIONS
---------------------------------------- */
@media (max-width: 480px) {
    .custom-portfolio-wrapper .hero__title {
        font-size: 1.75rem !important;
        margin-bottom: 0.75rem;
    }
    
    .custom-portfolio-wrapper .hero__tagline {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    .custom-portfolio-wrapper .filter-bar__label {
        font-size: 0.6875rem;
    }
    
    .custom-portfolio-wrapper .filter-tag {
        font-size: 0.625rem;
        padding: 0.125rem 0.375rem;
    }
    
    .custom-portfolio-wrapper .project-card__quote {
        font-size: 0.75rem;
        line-height: 1.25;
    }
    
    .custom-portfolio-wrapper .project-card__client {
        font-size: 0.6875rem;
    }
    
    .custom-portfolio-wrapper .btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.875rem;
    }
    
    .custom-portfolio-wrapper .cta__title {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }
    
    .custom-portfolio-wrapper .cta__text {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    /* Typography Scale cho màn hình rất nhỏ */
    .custom-portfolio-wrapper h1 { font-size: 1.5rem !important; }
    .custom-portfolio-wrapper h2 { font-size: 1.25rem !important; }
    .custom-portfolio-wrapper h3 { font-size: 1.125rem !important; }
    .custom-portfolio-wrapper h4 { font-size: 1rem !important; }
    .custom-portfolio-wrapper h5 { font-size: 0.875rem !important; }
    .custom-portfolio-wrapper h6 { font-size: 0.75rem !important; }
    
    /* Hero Section Height cho màn hình rất nhỏ */
    .custom-portfolio-wrapper .hero {
        height: 45vh; /* Giảm thêm cho màn hình rất nhỏ */
        min-height: 300px; /* Giảm thêm cho màn hình rất nhỏ */
    }
}

/* MOBILE TEXT READING IMPROVEMENTS
---------------------------------------- */
@media (max-width: 768px) {
    .custom-portfolio-wrapper .project-card__quote {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        color: var(--color-white) !important; /* Đảm bảo text hiển thị */
        display: block !important;
        visibility: visible !important;
    }
    
    .custom-portfolio-wrapper .cta__text {
        word-wrap: break-word;
        overflow-wrap: break-word;
        text-align: center;
    }
    
    .custom-portfolio-wrapper .filter-tag {
        min-height: 32px;
        min-width: 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .custom-portfolio-wrapper .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .custom-portfolio-wrapper input,
    .custom-portfolio-wrapper textarea,
    .custom-portfolio-wrapper select {
        font-size: 16px !important;
    }
}

/* MOBILE FILTER TOGGLE
---------------------------------------- */
@media (max-width: 768px) {
    /* Mobile Filter Toggle Button */
    .custom-portfolio-wrapper .mobile-filter-toggle {
        display: block !important;
        margin-bottom: 1rem;
    }
    
    .custom-portfolio-wrapper .filter-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.75rem 1rem;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--border-radius-medium);
        color: var(--color-white);
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: all var(--transition-fast);
    }
    
    .custom-portfolio-wrapper .filter-toggle-btn:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.3);
    }
    
    .custom-portfolio-wrapper .filter-toggle-btn i {
        font-size: 1rem;
    }
    
    .custom-portfolio-wrapper .filter-toggle-btn .toggle-icon {
        transition: transform var(--transition-fast);
    }
    
    .custom-portfolio-wrapper .filter-toggle-btn.active .toggle-icon {
        transform: rotate(180deg);
    }
    
    /* Ẩn filter groups ban đầu trên mobile */
    .custom-portfolio-wrapper .filter-bar__inner {
        display: none !important;
        overflow: hidden;
        transition: all var(--transition-normal);
    }
    
    .custom-portfolio-wrapper .filter-bar__inner.show {
        display: flex !important;
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 0.5rem;
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Compact filter groups cho mobile */
    .custom-portfolio-wrapper .filter-bar__group {
        background: rgba(255, 255, 255, 0.05);
        padding: 0.75rem;
        border-radius: var(--border-radius-small);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .custom-portfolio-wrapper .filter-bar__label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 600;
        color: var(--color-white);
        opacity: 0.9;
    }
    
    .custom-portfolio-wrapper .filter-bar__tags {
        flex-wrap: wrap;
        gap: 0.375rem;
    }
    
    .custom-portfolio-wrapper .filter-tag {
        font-size: 0.75rem !important;
        padding: 0.25rem 0.5rem !important;
    }
}

/* Ẩn mobile toggle trên desktop */
@media (min-width: 769px) {
    .custom-portfolio-wrapper .mobile-filter-toggle {
        display: none !important;
    }
    
    .custom-portfolio-wrapper .filter-bar__inner {
        display: flex !important;
    }
}

/* MOBILE UTILITY CLASSES FOR TYPOGRAPHY
---------------------------------------- */
@media (max-width: 768px) {
    .custom-portfolio-wrapper .mobile-text-small {
        font-size: 0.75rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-medium {
        font-size: 0.875rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-large {
        font-size: 1rem !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-center {
        text-align: center !important;
    }
    
    .custom-portfolio-wrapper .mobile-text-left {
        text-align: left !important;
    }
    
    .custom-portfolio-wrapper .mobile-line-height-tight {
        line-height: 1.2 !important;
    }
    
    .custom-portfolio-wrapper .mobile-line-height-normal {
        line-height: 1.4 !important;
    }
}