@import url('variables.css');

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    min-height: 44px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--surface-secondary);
    border-color: var(--border-hover);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-height: 36px;
}

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

header {
    background: rgba(var(--surface-rgb), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: all var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--foreground);
    font-family: var(--font-serif);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo span {
    color: var(--primary);
}

.main-nav {
    display: none;
}

@media (min-width: 768px) {
    .main-nav {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    color: var(--foreground-secondary);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: -36%;
    min-width: 240px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 100;
    padding: 0.5rem;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--foreground-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition);
}

.dropdown-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.lang-nav-item .dropdown {
    left: auto;
    right: 0;
    min-width: 160px;
}

.lang-choice.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-light);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--foreground);
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface);
    z-index: 999;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-content {
    padding: 1.5rem;
}

.mobile-nav-link {
    display: block;
    padding: 1rem;
    font-weight: 500;
    color: var(--foreground);
    border-bottom: 1px solid var(--border);
}

.mobile-nav-link:hover {
    color: var(--primary);
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--foreground);
}

.mobile-dropdown-content {
    display: none;
    padding-left: 1rem;
    background: var(--surface-secondary);
}

.mobile-dropdown-content.active {
    display: block;
}

.mobile-dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--foreground-secondary);
    font-size: 0.9375rem;
}

main {
    flex: 1;
}

.hero {
    background: var(--surface-secondary);
    border-bottom: 1px solid var(--border);
    padding: 5rem 0;
    text-align: center;
    color: var(--foreground);
}

@media (min-width: 768px) {
    .hero {
        padding: 6.5rem 0;
    }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--foreground);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--foreground-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-search {
    display: flex;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
    flex-direction: column;
}

@media (min-width: 480px) {
    .hero-search {
        flex-direction: row;
    }
}

.search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--foreground);
    min-height: 44px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 149, 76, 0.15);
}

.hero-search .btn {
    background: var(--primary);
    color: white;
}

.hero-search .btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--foreground);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

.categories-section {
    padding: 4rem 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.category-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 6px 6px 0px 0px var(--gold);
    border-color: var(--black);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.category-card p {
    color: var(--foreground-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.category-count {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.popular-tools,
.all-tools {
    padding: 4rem 0;
}

.popular-tools {
    background: var(--surface-secondary);
}

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

@media (min-width: 480px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tool-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 4px 4px 0px 0px var(--gold);
    border-color: var(--black);
}

.tool-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.tool-card h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
    color: var(--foreground);
}

.tool-card p {
    font-size: 0.85rem;
    color: var(--muted);
}

.tools-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 480px) {
    .tools-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) {
    .tools-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .tools-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tool-list-item {
    display: block;
    padding: 0.875rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    color: var(--foreground-secondary);
    transition: all var(--transition);
}

.tool-list-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

footer {
    background: var(--foreground);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-section a {
    display: block;
    padding: 0.375rem 0;
    color: var(--muted);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.875rem;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    font-size: 0.875rem;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--foreground-secondary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    color: var(--border);
}

.pillar-hero {
    background: var(--gradient-primary);
    padding: 3rem 0;
    color: white;
    text-align: center;
}

.pillar-hero h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .pillar-hero h1 {
        font-size: 2.5rem;
    }
}

.pillar-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.pillar-tools {
    padding: 3rem 0;
}

/* Mobile Menu Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

@media (min-width: 768px) {
    .header-actions {
        margin-left: 1rem;
    }
}