/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-nav: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
    --primary: #7c3aed;
    --primary-hover: #6d28d9;
    --primary-light: #ede9fe;
    --radius: 16px;
    --radius-sm: 10px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: 0.25s ease;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #1e293b;
    --bg-nav: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #334155;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
    --primary-light: #2e1065;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

a:hover {
    text-decoration: underline;
}

/* ===== COOKIE BANNER ===== */
#cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 9999;
    max-width: 700px;
    width: calc(100% - 40px);
    backdrop-filter: blur(8px);
}

#cookie-banner p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

#cookie-banner a {
    color: var(--primary);
    font-weight: 600;
}

.btn-cookie,
.btn-cookie-outline {
    border: none;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cookie {
    background: var(--primary);
    color: #fff;
}

.btn-cookie:hover {
    background: var(--primary-hover);
}

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

.btn-cookie-outline:hover {
    background: var(--border);
}

/* ===== HEADER ===== */
.site-header {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background var(--transition), border var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.6rem;
}

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

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-list>li>a,
.nav-dropbtn {
    padding: 8px 14px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.nav-list>li>a:hover,
.nav-dropbtn:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    padding: 20px 24px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-columns {
    display: flex;
    gap: 32px;
}

.dropdown-col h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.dropdown-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dropdown-col ul li a {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: block;
    transition: var(--transition);
}

.dropdown-col ul li a:hover {
    color: var(--primary);
    text-decoration: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle {
    background: transparent;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 50px;
    transition: var(--transition);
    line-height: 1;
}

.theme-toggle:hover {
    background: var(--primary-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: 16px 0 8px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 4px 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb ol li+li::before {
    content: "/";
    margin-right: 8px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

/* ===== HERO ===== */
.hero {
    padding: 40px 0 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 20px;
}

.hero-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text-secondary);
}

.hero-features-list li {
    font-size: 0.95rem;
}

/* ===== TOOL CARD ===== */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tool-card h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.tool-sub {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.tool-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-family: var(--font);
    font-size: 1rem;
    color: var(--text-primary);
    resize: vertical;
    transition: var(--transition);
    min-height: 120px;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.input-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.form-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.option-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-label input[type="number"] {
    width: 70px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.opt-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-generate {
    margin-top: 4px;
}

/* ===== OUTPUT ===== */
.output-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.output-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
}

.output-actions {
    display: flex;
    gap: 8px;
}

.btn-outline-sm {
    background: transparent;
    border: 1px solid var(--border);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-outline-sm:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.output-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    max-height: 300px;
    overflow-y: auto;
}

.output-pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.8;
}

.output-footer {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

/* ===== REF LINKS ===== */
.ref-links {
    padding: 30px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.ref-links h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.ref-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.ref-links-grid a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.ref-links-grid a:hover {
    color: var(--primary);
    text-decoration: none;
}

/* ===== FEATURES ===== */
.features {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}

.section-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.section-header h2 span {
    color: var(--primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 2.4rem;
    margin-bottom: 8px;
}

.feature-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 60px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 16px;
}

.step {
    text-align: center;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.step h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== SEO INFO ===== */
.seo-info {
    padding: 60px 0;
}

.seo-info-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.seo-info p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
    max-width: 800px;
}

/* ===== FAQ ===== */
.faq {
    padding: 60px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 20px 8px 20px;
    transition: var(--transition);
}

.faq-item summary {
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 12px 0;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--primary);
    transition: var(--transition);
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding-bottom: 16px;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== CTA ===== */
.cta {
    padding: 60px 0;
}

.cta-box {
    background: var(--primary);
    border-radius: var(--radius);
    padding: 48px 40px;
    text-align: center;
    color: #fff;
}

.cta-box h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-box h2 span {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.cta-box p {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 500px;
    margin: 0 auto 24px;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.cta-buttons .btn-primary {
    background: #fff;
    color: var(--primary);
    width: auto;
    padding: 12px 32px;
}

.cta-buttons .btn-primary:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.cta-buttons .btn-outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    text-decoration: none;
    display: inline-block;
}

.cta-buttons .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg-nav);
    border-top: 1px solid var(--border);
    padding: 40px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 8px;
}

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

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
}

.footer-trademark {
    font-size: 0.75rem !important;
    color: var(--text-muted) !important;
    font-style: italic;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-links ul li a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        border-top: 1px solid var(--border);
        padding-top: 12px;
        margin-top: 12px;
    }

    .main-nav.open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav-list>li>a,
    .nav-dropbtn {
        width: 100%;
        text-align: left;
        padding: 10px 14px;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 8px 0 8px 16px;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        width: 100%;
    }

    .nav-dropdown:hover .dropdown-menu {
        transform: none;
    }

    .dropdown-columns {
        flex-direction: column;
        gap: 16px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .tool-card {
        padding: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-box {
        padding: 32px 20px;
    }

    .cta-box h2 {
        font-size: 1.6rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .ref-links-grid {
        gap: 6px 12px;
    }

    .breadcrumb ol {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 24px 0 40px;
    }

    .form-options {
        padding: 12px;
    }

    .checkbox-label {
        font-size: 0.85rem;
    }

    .output-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .output-actions {
        justify-content: flex-start;
    }

    .btn-outline-sm {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
}