/* ===== CSS Reset & Variables ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors - warm, trustworthy palette */
    --color-bg: #0f0f12;
    --color-bg-elevated: #1a1a20;
    --color-bg-card: #22222a;
    --color-primary: #ff6b4a;
    --color-primary-hover: #ff8266;
    --color-primary-glow: rgba(255, 107, 74, 0.3);
    --color-text: #f5f5f7;
    --color-text-muted: #a1a1aa;
    --color-text-dim: #71717a;
    --color-border: #2a2a35;
    --color-success: #22c55e;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ===== Base Styles ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

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

/* ===== Header ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

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

.nav {
    display: flex;
    gap: var(--space-xl);
}

.nav a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav a:hover {
    color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
    padding: var(--space-3xl) 0;
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

/* ===== Search ===== */
.search-container {
    max-width: 700px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: var(--space-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    padding: var(--space-md) var(--space-lg);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-dim);
}

.search-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    min-width: 120px;
}

.search-button:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.search-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.search-examples {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.search-examples span {
    color: var(--color-text-dim);
    font-size: 0.875rem;
}

.example-btn {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.example-btn:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-primary);
    color: var(--color-text);
}

/* ===== Results ===== */
.results {
    margin-top: var(--space-2xl);
    text-align: left;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.results-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.clear-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.clear-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.results-content {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    line-height: 1.8;
}

.results-content h1,
.results-content h2,
.results-content h3 {
    color: var(--color-text);
    margin: var(--space-lg) 0 var(--space-md);
}

.results-content h1:first-child,
.results-content h2:first-child,
.results-content h3:first-child {
    margin-top: 0;
}

.results-content ul,
.results-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.results-content li {
    margin: var(--space-sm) 0;
}

.results-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.results-content strong {
    color: var(--color-text);
}

.results-content p {
    margin: var(--space-md) 0;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
}

.how-it-works h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-2xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.step {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.step:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.step h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===== About ===== */
.about {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
    max-width: 800px;
    margin: 0 auto;
}

.about h2 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-xl);
}

.about p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.disclosure {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
    margin-top: var(--space-2xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

/* ===== Ezoic Ad Placements ===== */
.ezoic-ad {
    margin: var(--space-xl) auto;
    min-height: 100px;
    max-width: 728px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: var(--space-md);
}

.ezoic-banner {
    min-height: 90px;
    max-width: 970px;
}

/* Placeholder styling before ads load */
.ezoic-ad:empty::before {
    content: "Advertisement";
    color: var(--color-text-dim);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav {
        gap: var(--space-lg);
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-button {
        width: 100%;
    }
    
    .search-examples {
        flex-direction: column;
    }
    
    .ezoic-ad {
        max-width: 100%;
        min-height: 50px;
    }
}