@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Manrope:wght@200..800&display=swap');

:root {
    /* THE DIGITAL CURATOR - DESIGN SYSTEM TOKENS */
    --primary: #051125;        /* Deep Navy Anchor */
    --primary-container: #1b263b;
    --on-primary: #ffffff;
    
    --tertiary: #002c27;       /* Emerald Signature */
    --tertiary-container: #002c27;
    --on-tertiary: #8df5e4;
    
    /* Surface Scale (Tonal Layering) */
    --surface: #f7f9fb;        /* Canvas Base */
    --surface-low: #f2f4f6;    /* Section Background */
    --surface-lowest: #ffffff; /* Card / Active Element */
    --surface-highest: #e0e3e5;/* Input / Recessed */
    
    /* Text Hierarchy */
    --text-main: #191c1e;
    --text-slate-500: #45474d;
    --text-slate-400: #75777d;
    
    /* UI Elements */
    --border-subtle: rgba(117, 119, 125, 0.1); /* Ghost Border */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    --container-max: 820px;
}

/* Reset & Global */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--surface);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.011em;
}

/* Typography Hierarchy - The Editorial Voice */
h1, h2, h3, h4, .font-headline {
    font-family: 'Manrope', sans-serif;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

h1 { font-size: clamp(2.5rem, 8vw, 4rem); margin-bottom: var(--space-8); }
h2 { font-size: 2.25rem; margin-top: var(--space-16); margin-bottom: var(--space-8); }
h3 { font-size: 1.5rem; margin-top: var(--space-8); margin-bottom: var(--space-4); }

p { margin-bottom: var(--space-6); font-size: 1.125rem; color: var(--text-slate-500); }

/* The "No-Line" Rule - Links */
a { color: var(--primary); text-decoration: none; position: relative; transition: all 0.2s ease; }
a:not(.btn-action):not(.logo-wrap):not(.nav-links a):not(.related-card):hover { 
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 2px;
}

/* Hard rule: Never allow buttons inside paragraphs to render as buttons */
p a.btn, li a.btn {
    display: inline !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    color: #10b981 !important;
    text-decoration: underline !important;
    box-shadow: none !important;
    transform: none !important;
}

/* Layout Components */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-6); }
.container-full { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }

/* Header - Glassmorphism */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner { display: flex; justify-content: space-between; align-items: center; }

.logo-wrap { display: flex; align-items: center; gap: var(--space-3); }
.logo-icon { 
    width: 28px; 
    height: 28px; 
    background: var(--primary); 
    border-radius: var(--radius-sm); 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
}
.logo-text { font-family: 'Manrope', sans-serif; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.05em; color: var(--primary); }

.nav-links { display: flex; gap: var(--space-8); align-items: center; }
.nav-links a { 
    color: var(--text-slate-500); 
    font-weight: 700; 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
}
.nav-links a:hover { color: var(--primary); }

/* Buttons - Soulful Gradient */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
    color: var(--on-primary);
    padding: 1rem 2rem;
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 16px rgba(5, 17, 37, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(5, 17, 37, 0.25);
}

/* Secondary CTA is handled in the Emerald Theme section below */

/* Hero - Asymmetrical Editorial */
.hero { 
    padding: var(--space-20) 0; 
    display: grid; 
    grid-template-columns: 1.2fr 0.8fr; 
    gap: var(--space-12);
    align-items: center;
}

.hero-content { z-index: 10; }
.hero-image-wrap { position: relative; }
.hero-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(0,0,0,0.1);
}

/* Sections & Tonal Layering */
.section { padding: var(--space-20) 0; }
.section-muted { background: var(--surface-low); }

/* Comparison Components */
.tool-card {
    background: var(--surface-lowest);
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
    transition: transform 0.3s ease;
}
.tool-card:hover { transform: translateY(-4px); }

.badge-wizard {
    background: var(--tertiary);
    color: var(--on-tertiary);
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
    margin-bottom: var(--space-4);
    display: inline-block;
}

/* Technical Audit Matrix */
.table-wrap { 
    background: var(--surface-lowest); 
    border-radius: var(--radius-lg); 
    padding: var(--space-8);
    overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 1.25rem; text-align: left; font-size: 1rem; border-bottom: 1px solid var(--border-subtle); }
th { font-family: 'Manrope', sans-serif; font-weight: 800; color: var(--primary); background: var(--surface-low); }
tr:last-child td { border-bottom: none; }

/* The Verdict Box */
.verdict-box {
    background: var(--surface-lowest);
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    box-shadow: 0 32px 64px rgba(5, 17, 37, 0.05);
    border-top: 4px solid var(--tertiary);
}

/* Gold Standard Content Shell - Premium Spacing & Typography */
.gold-standard-content {
    margin-top: var(--space-8);
}

.gold-standard-content h2 {
    font-size: 3rem;
    margin-top: var(--space-20);
    margin-bottom: var(--space-12);
    text-align: center;
    letter-spacing: -0.05em;
}

.gold-standard-content h3 {
    font-size: 2.25rem;
    margin-top: var(--space-16);
    margin-bottom: var(--space-8);
}

.gold-standard-content h4 {
    font-size: 1.5rem;
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}

.gold-standard-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-slate-500);
    margin-bottom: var(--space-6);
}

/* Review Collection Components */
.review-card, .choice-block, .tool-card {
    background: var(--surface-lowest);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-12);
    margin-bottom: var(--space-12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: block;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.review-card:hover, .choice-block:hover, .tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 64px -12px rgba(5, 17, 37, 0.12);
    border-color: var(--tertiary);
}

.review-card h3, .choice-block h3, .tool-card h3,
.review-card h4, .choice-block h4, .tool-card h4 {
    color: var(--primary);
    font-weight: 800;
    line-height: 1.1;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin: var(--space-12) 0;
}

.choice-block {
    margin-bottom: 0;
}

/* Badges & Labels */
.tool-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--surface-low);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-radius: 100px;
    margin-bottom: var(--space-6);
    border: 1px solid var(--border-subtle);
}

.tool-card.featured .tool-card-badge {
    background: var(--tertiary);
    color: var(--on-tertiary);
    border: none;
}

/* Legacy Button Bridges */
.btn, .review-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius-md);
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none !important;
}

.btn-primary, .review-cta {
    background: #10b981;
    color: #ffffff !important;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-secondary {
    background: #ffffff !important;
    color: #10b981 !important;
    border: 2px solid #10b981 !important;
}

.btn:hover, .review-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
    filter: brightness(1.05);
}

.btn-primary::after, .review-cta::after {
    content: 'check'; /* Checkmark icon */
    font-family: 'Material Symbols Outlined';
    font-size: 1.25rem;
    font-weight: 800;
}

/* Related Comparisons Cards */
.related-strip {
    margin-top: var(--space-20);
    padding: var(--space-12) 0;
    border-top: 1px solid var(--border-subtle);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.related-card {
    background: #ffffff !important;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle) !important;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-decoration: none !important;
}

.related-card:hover {
    border-color: #10b981 !important;
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    text-decoration: none !important;
}

.related-card * {
    text-decoration: none !important;
}

.related-card:hover h5 {
    color: #10b981;
}

.related-card h5 {
    font-size: 1.125rem;
    color: var(--primary);
    margin: 0;
}

.related-card .card-cta {
    font-size: 0.875rem;
    font-weight: 700;
    color: #10b981;
    display: flex;
    align-items: center;
    gap: 4px;
}
.faq-box { margin-top: var(--space-16); }
.faq-item {
    background: white;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    overflow: hidden;
}
.faq-question {
    padding: var(--space-6);
    font-weight: 800;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}
.faq-question::-webkit-details-marker {
    display: none;
}
.faq-question::after {
    content: 'expand_more';
    font-family: 'Material Symbols Outlined';
    font-size: 1.5rem;
    color: var(--tertiary);
    transition: transform 0.3s ease;
}
details[open] .faq-question::after {
    transform: rotate(180deg);
}
.faq-answer {
    padding: var(--space-6);
    padding-top: 0;
    color: var(--text-slate-500);
}

/* Search UI */
.search-container {
    position: relative;
    max-width: 500px;
    margin-top: var(--space-8);
}

.search-input {
    width: 100%;
    background: var(--surface-highest);
    padding: 1.25rem 1.5rem;
    padding-left: 3.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    color: var(--primary);
    outline: none;
    transition: all 0.2s ease;
}
.search-input:focus { background: var(--surface-lowest); box-shadow: 0 0 0 2px var(--primary); }

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-slate-400);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--surface-lowest);
    border-radius: var(--radius-md);
    box-shadow: 0 16px 32px rgba(0,0,0,0.1);
    margin-top: var(--space-2);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 2000;
}

.search-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    display: block;
    text-decoration: none;
}
.search-item:hover { background: var(--surface-low); }
.search-item strong { color: var(--primary); font-size: 1rem; display: block; }
.search-item span { color: var(--text-slate-500); font-size: 0.8125rem; }

/* Footer */
footer { 
    background: var(--primary); 
    padding: var(--space-20) 0; 
    color: var(--on-primary); 
}
.footer-logo .logo-text { color: white; }
.footer-desc { color: rgba(255,255,255,0.6); font-size: 0.875rem; margin-top: var(--space-4); max-width: 300px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-12); }
.footer-col h5 { 
    font-family: 'Manrope', sans-serif; 
    font-weight: 800; 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 0.15em; 
    margin-bottom: var(--space-6); 
    color: rgba(255,255,255,0.4); 
}
.footer-col a { color: rgba(255,255,255,0.7); font-size: 0.875rem; font-weight: 500; display: block; margin-bottom: var(--space-4); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-12); margin-top: var(--space-12); font-size: 0.75rem; color: rgba(255,255,255,0.4); }

@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .hero-image-wrap { order: -1; }
    .search-container { margin: var(--space-8) auto 0; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-desc { margin: var(--space-4) auto; }
}