@font-face {
    font-family: 'Alibaba';
    src: url('../assets/font/Alibaba-Bold.ttf') format('truetype');
    font-weight: bold;
}

:root {
    --bg: #0a0a0a;
    --bg2: #111111;
    --bg3: #1a1a1a;
    --red: #ff1a1a;
    --red-dim: #cc0000;
    --red-glow: rgba(255, 26, 26, 0.4);
    --text: #ffffff;
    --muted: #888888;
    --border: #2a2a2a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 3px; }

/* NAVBAR */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0 5%;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10,10,10,0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(10,10,10,0.95);
    border-bottom-color: var(--border);
}

.logo {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.6rem;
    color: var(--red);
    text-decoration: none;
    letter-spacing: -1px;
    position: relative;
}

.logo span {
    color: var(--text);
    font-size: 0.9rem;
    opacity: 0.6;
}

.nav-links {
    display: flex;
    gap: 0.3rem;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    background: rgba(255,26,26,0.1);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--red);
    border-radius: 2px;
}

.nav-cta {
    background: var(--red) !important;
    color: white !important;
    padding: 0.5rem 1.2rem !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
}

.nav-cta:hover {
    background: var(--red-dim) !important;
    box-shadow: 0 0 20px var(--red-glow) !important;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--red-glow) 0%, transparent 70%);
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: heroPulse 4s ease-in-out infinite;
}

@keyframes heroPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.7; }
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1.5rem;
    background: var(--bg2);
}

.hero-badge span { color: var(--red); }

.hero h1 {
    font-family: 'Alibaba', sans-serif;
    font-size: clamp(3rem, 10vw, 6rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero h1 .red { color: var(--red); }

.hero p {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.btn-red {
    background: var(--red);
    color: white;
    box-shadow: 0 4px 25px var(--red-glow);
}

.btn-red:hover {
    background: var(--red-dim);
    transform: translateY(-2px);
    box-shadow: 0 6px 35px var(--red-glow);
}

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

.btn-outline:hover {
    border-color: var(--red);
    color: var(--red);
}

/* SECTIONS */
section {
    padding: 80px 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    font-size: 0.8rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: 'Alibaba', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-desc {
    color: var(--muted);
    font-size: 1rem;
}

/* SKILLS */
#skills { background: var(--bg2); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.skill-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.8rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.skill-card:hover {
    border-color: var(--red);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255,26,26,0.15);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.skill-name {
    font-weight: 700;
    font-size: 1rem;
}

.skill-percent {
    color: var(--red);
    font-size: 0.85rem;
    font-weight: 700;
}

.skill-bar {
    height: 6px;
    background: var(--bg3);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--red);
    border-radius: 3px;
    width: 0;
    transition: width 1.2s ease;
}

/* PROJECTS */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--red);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255,26,26,0.15);
}

.project-thumb {
    height: 180px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a0000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    position: relative;
    overflow: hidden;
}

.project-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg2), transparent);
}

.project-body {
    padding: 1.5rem;
}

.project-body h3 {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-body p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.3rem 0.7rem;
    background: rgba(255,26,26,0.1);
    border: 1px solid rgba(255,26,26,0.2);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--red);
}

.project-link,
.product-link {
    display: block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255,26,26,0.1);
    border: 1px solid rgba(255,26,26,0.3);
    border-radius: 8px;
    color: var(--red);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
}

.project-link:hover,
.product-link:hover {
    background: var(--red);
    color: white;
}

/* SERVICES */
#services { background: var(--bg2); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--red);
    transform: translateY(-3px);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-price {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.4rem;
    color: var(--red);
}

.service-price small {
    font-size: 0.75rem;
    color: var(--muted);
    font-family: 'Vazirmatn', sans-serif;
}

/* SHOP SECTION */
.shop-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto 2rem;
}

.shop-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.shop-card:hover {
    border-color: var(--red);
    transform: translateY(-3px);
}

.shop-thumb {
    height: 160px;
    background: linear-gradient(135deg, #1a0000 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.shop-info {
    padding: 1.2rem;
}

.shop-info h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.shop-info p {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.shop-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-family: 'Alibaba', sans-serif;
    color: var(--red);
    font-size: 1.1rem;
}

.btn-shop {
    padding: 0.5rem 1rem;
    background: var(--red);
    border: none;
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-shop:hover {
    background: var(--red-dim);
    box-shadow: 0 4px 15px var(--red-glow);
}

.btn-all {
    display: block;
    text-align: center;
    margin-top: 2rem;
}

/* PAGE HEADER (shop) */
.page-header {
    padding: 120px 5% 60px;
    text-align: center;
    background: linear-gradient(180deg, rgba(255,26,26,0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
}

.page-header .tag {
    font-size: 0.8rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header h1 {
    font-family: 'Alibaba', sans-serif;
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--muted);
    font-size: 1rem;
}

/* FILTER BAR */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem 5%;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filter-btn {
    padding: 0.5rem 1.2rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--red);
    color: var(--red);
    background: rgba(255,26,26,0.1);
}

/* PRODUCTS GRID */
.products-section {
    padding: 3rem 5% 6rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    border-color: var(--red);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255,26,26,0.15);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.3rem 0.7rem;
    background: var(--red);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
}

.product-badge.free {
    background: #22c55e;
}

.product-thumb {
    height: 200px;
    background: linear-gradient(135deg, #1a0000 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.product-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg2), transparent 50%);
}

.product-body {
    padding: 1.2rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.product-body h3 {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.product-body p {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-family: 'Alibaba', sans-serif;
    color: var(--red);
    font-size: 1.2rem;
}

.price small {
    font-size: 0.75rem;
    color: var(--muted);
    font-family: 'Vazirmatn', sans-serif;
}

.btn-buy {
    padding: 0.5rem 1.2rem;
    background: var(--red);
    border: none;
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-buy:hover {
    background: var(--red-dim);
    box-shadow: 0 4px 15px var(--red-glow);
}

.btn-free {
    padding: 0.5rem 1.2rem;
    background: #22c55e;
    border: none;
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-free:hover {
    background: #16a34a;
    box-shadow: 0 4px 15px rgba(34,197,94,0.3);
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
    padding: 0 5%;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.feature h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.feature p {
    color: var(--muted);
    font-size: 0.8rem;
}

/* FOOTER */
footer {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    padding: 3rem 5% 2rem;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-family: 'Alibaba', sans-serif;
    font-size: 1.8rem;
    color: var(--red);
    margin-bottom: 0.5rem;
}

.footer-desc {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.socials {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.socials a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--muted);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.socials a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--red);
    opacity: 0;
    transition: opacity 0.2s ease;
    border-radius: 11px;
}

.socials a:hover::before { opacity: 0.15; }
.socials a:hover { border-color: var(--red); color: var(--red); transform: translateY(-3px); }

.socials img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}



.social-label { font-size: 0.7rem; color: var(--muted); }

.copyright { color: var(--muted); font-size: 0.8rem; text-align: center; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: color 0.2s ease;
}

.back-link:hover { color: var(--red); }

/* ANIMATIONS */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.show {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .skills-grid,
    .projects-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .shop-preview {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav { padding: 0 4%; }

    .mobile-menu { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg2);
        flex-direction: column;
        padding: 100px 2rem 2rem;
        gap: 0.3rem;
        border-left: 1px solid var(--border);
        transition: right 0.3s ease;
        overflow-y: auto;
    }

    .nav-links.open { right: 0; }

    .nav-links a {
        padding: 0.9rem 1rem;
        font-size: 0.95rem;
        border-radius: 8px;
    }

    .nav-cta { margin-top: 0.5rem; }

    .logo { font-size: 1.4rem; }

    .hero { padding: 100px 5% 60px; }
    .hero h1 { font-size: 2.4rem; }
    .hero p { font-size: 1rem; }
    .hero-badge { font-size: 0.8rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 280px; text-align: center; }

    section { padding: 50px 5%; }
    .section-title { font-size: 1.8rem; }
    .section-desc { font-size: 0.9rem; }
    .section-tag { font-size: 0.7rem; letter-spacing: 2px; }

    .skills-grid,
    .projects-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skill-card,
    .service-card {
        padding: 1.5rem;
    }

    .project-thumb { height: 140px; font-size: 2.5rem; }

    .services-grid { gap: 1rem; }

    .shop-preview {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .shop-thumb { height: 140px; font-size: 2.5rem; }

    .page-header { padding: 100px 5% 40px; }
    .page-header h1 { font-size: 2rem; }
    .page-header p { font-size: 0.9rem; }

    .filter-bar {
        top: 60px;
        padding: 1rem 4%;
        gap: 0.4rem;
    }
    .filter-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .product-thumb { height: 160px; font-size: 3rem; }
    .product-body h3 { font-size: 1rem; }
    .product-body p { font-size: 0.8rem; }
    .price { font-size: 1rem; }
    .btn-buy, .btn-free { padding: 0.4rem 1rem; font-size: 0.8rem; }

    .features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 0 4%;
    }
    .feature { padding: 1.2rem; }
    .feature-icon { font-size: 1.5rem; }
    .feature h4 { font-size: 0.85rem; }
    .feature p { font-size: 0.75rem; }

    .back-link { margin-bottom: 1.5rem; }

    footer { padding: 2rem 5%; }
    .footer-logo { font-size: 1.5rem; }
    .footer-sub { font-size: 0.8rem; }
    .socials { gap: 0.5rem; }
    .socials a { width: 42px; height: 42px; }
    .social-label { font-size: 0.65rem; }
}

@media (max-width: 480px) {
    nav { height: 60px; padding: 0 4%; }
    .logo { font-size: 1.2rem; }
    .logo span { font-size: 0.8rem; }

    .hero { padding: 90px 5% 40px; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 0.9rem; }

    .page-header { padding: 90px 5% 30px; }
    .page-header h1 { font-size: 1.6rem; }
    .page-header p { font-size: 0.85rem; }

    .filter-bar { flex-wrap: nowrap; overflow-x: auto; flex-wrap: wrap; justify-content: flex-start; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .filter-bar::-webkit-scrollbar { display: none; }

    .features { grid-template-columns: repeat(2, 1fr); }

    .product-thumb { height: 140px; font-size: 2.5rem; }

    .section-title { font-size: 1.5rem; }
    .section-header { margin-bottom: 2rem; }

    .skill-header { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
    .skill-name { font-size: 0.9rem; }
    .skill-percent { font-size: 0.75rem; }

    .project-body h3 { font-size: 1rem; }
    .project-body p { font-size: 0.8rem; }
    .tag { font-size: 0.7rem; padding: 0.2rem 0.5rem; }

    .service-card h3 { font-size: 1rem; }
    .service-card p { font-size: 0.8rem; }
    .service-price { font-size: 1.2rem; }

    .product-body h3 { font-size: 0.95rem; }
    .product-body p { font-size: 0.8rem; }
    .price { font-size: 1rem; }
}

@media (max-width: 360px) {
    .hero h1 { font-size: 1.8rem; }
    .page-header h1 { font-size: 1.4rem; }
    .section-title { font-size: 1.3rem; }
    .btn { padding: 0.8rem 1.5rem; font-size: 0.9rem; }
    .filter-btn { padding: 0.3rem 0.7rem; font-size: 0.75rem; }
}