/* ============================================
   SemaCore.ai Company Website v2 — Custom Styles
   Light Mode (default) + Dark Mode Toggle
   ============================================ */

/* --- Light Mode Variables (Default) --- */
:root {
    --bg-dark: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-surface: #F1F5F9;
    --border: #E2E8F0;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --accent-blue: #0EA5E9;
    --accent-cyan: #0891B2;
    --accent-gold: #D97706;
    --success-green: #16A34A;
    --danger-red: #DC2626;
    --purple-glow: #7C3AED;
    --nav-bg: rgba(248, 250, 252, 0.85);
    --nav-bg-scrolled: rgba(248, 250, 252, 0.95);
    --nav-border: rgba(226, 232, 240, 0.5);
    --nav-shadow: rgba(0, 0, 0, 0.08);
    --mobile-nav-bg: rgba(248, 250, 252, 0.98);
    --hero-glow-1: rgba(14, 165, 233, 0.06);
    --hero-glow-2: rgba(8, 145, 178, 0.03);
    --card-hover-shadow: rgba(0, 0, 0, 0.08);
    --cta-glow: rgba(14, 165, 233, 0.15);
    --stat-bg: rgba(220, 38, 38, 0.03);
    --callout-danger-bg: rgba(220, 38, 38, 0.04);
    --callout-gold-bg: rgba(217, 119, 6, 0.04);
    --btn-primary-shadow: rgba(14, 165, 233, 0.25);
    --btn-primary-hover-shadow: rgba(14, 165, 233, 0.4);
    --logo-shadow: rgba(14, 165, 233, 0.15);
    --featured-card-shadow: rgba(14, 165, 233, 0.08);
}

/* --- Dark Mode Variables --- */
[data-theme="dark"] {
    --bg-dark: #0A0E1A;
    --bg-card: #111827;
    --bg-surface: #1E293B;
    --border: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-blue: #0EA5E9;
    --accent-cyan: #22D3EE;
    --accent-gold: #F59E0B;
    --success-green: #22C55E;
    --danger-red: #EF4444;
    --purple-glow: #8B5CF6;
    --nav-bg: rgba(10, 14, 26, 0.85);
    --nav-bg-scrolled: rgba(10, 14, 26, 0.95);
    --nav-border: rgba(51, 65, 85, 0.5);
    --nav-shadow: rgba(0, 0, 0, 0.3);
    --mobile-nav-bg: rgba(10, 14, 26, 0.98);
    --hero-glow-1: rgba(14, 165, 233, 0.08);
    --hero-glow-2: rgba(34, 211, 238, 0.03);
    --card-hover-shadow: rgba(0, 0, 0, 0.3);
    --cta-glow: rgba(14, 165, 233, 0.1);
    --stat-bg: rgba(239, 68, 68, 0.03);
    --callout-danger-bg: rgba(239, 68, 68, 0.05);
    --callout-gold-bg: rgba(245, 158, 11, 0.05);
    --btn-primary-shadow: rgba(14, 165, 233, 0.3);
    --btn-primary-hover-shadow: rgba(14, 165, 233, 0.5);
    --logo-shadow: rgba(14, 165, 233, 0.3);
    --featured-card-shadow: rgba(14, 165, 233, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Navigation --- */
.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nav-border);
    transition: all 0.3s ease;
}

.nav-fixed.scrolled {
    background: var(--nav-bg-scrolled);
    box-shadow: 0 4px 30px var(--nav-shadow);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav-logo span {
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(30, 41, 59, 0.1);
}

[data-theme="dark"] .nav-link:hover {
    background: rgba(30, 41, 59, 0.5);
}

.nav-link.active {
    color: var(--accent-cyan);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 2px;
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: #fff !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px var(--btn-primary-shadow);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--btn-primary-hover-shadow);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)) !important;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
}

.theme-toggle:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}

/* Mobile hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

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

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.nav-mobile {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--mobile-nav-bg);
    backdrop-filter: blur(20px);
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

.nav-mobile.open {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    animation: slideDown 0.3s ease;
}

.nav-mobile .nav-link {
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.nav-mobile .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Page Content Area --- */
.page-content {
    padding-top: 72px;
    min-height: 100vh;
}

/* --- Hero Section --- */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1.5rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center,
            var(--hero-glow-1) 0%,
            var(--hero-glow-2) 30%,
            transparent 70%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% {
        opacity: 0.5;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.hero-logo {
    width: 280px;
    max-width: 80vw;
    height: auto;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 40px var(--logo-shadow));
    animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    max-width: 800px;
    position: relative;
    z-index: 1;
    margin-bottom: 1.5rem;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    position: relative;
    z-index: 1;
    margin-bottom: 2.5rem;
}

/* --- Section Containers --- */
.section {
    max-width: 1024px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.section-wide {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0;
}

/* --- Headings --- */
.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title span {
    -webkit-text-fill-color: currentColor;
    background: none;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 700px;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 8px 30px var(--card-hover-shadow);
    transform: translateY(-2px);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--btn-primary-shadow);
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--btn-primary-hover-shadow);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* --- Quote / Callout Blocks --- */
.callout {
    background: var(--bg-card);
    border-left: 3px solid var(--accent-blue);
    border-radius: 0 12px 12px 0;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.callout-danger {
    border-left-color: var(--danger-red);
    background: var(--callout-danger-bg);
}

.callout-gold {
    border-left-color: var(--accent-gold);
    background: var(--callout-gold-bg);
}

/* --- Agent Prompt Bubbles --- */
.agent-prompt {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9375rem;
    color: var(--accent-cyan);
    display: inline-block;
    margin: 0.375rem 0;
    position: relative;
}

.agent-prompt::before {
    content: '▸';
    margin-right: 0.5rem;
    color: var(--accent-blue);
}

/* --- Analyst Quote Balloons --- */
.analyst-quote {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.875rem 1.25rem;
    max-width: 300px;
    flex: 1 1 240px;
    position: relative;
    transition: all 0.3s ease;
}

.analyst-quote:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 4px 16px var(--card-hover-shadow);
    transform: translateY(-2px);
}

.analyst-quote-text {
    display: block;
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.5;
    font-weight: 500;
}

.analyst-quote-source {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 700;
    margin-top: 0.375rem;
    letter-spacing: 0.02em;
}

/* --- Stat Highlight --- */
.stat-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, transparent, var(--stat-bg), transparent);
}

.stat-number {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--danger-red), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* --- Copy Block (punchy marketing statements) --- */
.copy-block {
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.copy-block p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.copy-block p strong {
    color: var(--text-primary);
}

.copy-block .emphasis {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
}

.copy-block .emphasis-blue {
    color: var(--accent-blue);
}

.copy-block .emphasis-red {
    color: var(--danger-red);
}

.copy-block .emphasis-gold {
    color: var(--accent-gold);
}

.copy-block .emphasis-green {
    color: var(--success-green);
}

/* --- Stacked Text (dramatic short lines) --- */
.stacked-text {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--text-secondary);
}

.stacked-text .line {
    display: block;
}

.stacked-text .line-bold {
    display: block;
    color: var(--text-primary);
    font-weight: 700;
}

.stacked-text .line-accent {
    display: block;
    color: var(--accent-cyan);
    font-weight: 600;
}

/* --- Pricing Cards --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--card-hover-shadow);
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    box-shadow: 0 0 40px var(--featured-card-shadow);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-gold));
}

.pricing-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.pricing-badge-green {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success-green);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.pricing-badge-blue {
    background: rgba(14, 165, 233, 0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.pricing-badge-gold {
    background: rgba(217, 119, 6, 0.15);
    color: var(--accent-gold);
    border: 1px solid rgba(217, 119, 6, 0.3);
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success-green);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.pricing-card.featured .pricing-features li::before {
    color: var(--accent-cyan);
}

/* --- Comparison Block --- */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.compare-side {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border);
}

.compare-side.old {
    opacity: 0.6;
    border-color: rgba(220, 38, 38, 0.2);
}

.compare-side.new {
    border-color: rgba(8, 145, 178, 0.3);
    box-shadow: 0 0 30px var(--cta-glow);
}

.compare-side h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.compare-side.old h3 {
    color: var(--text-secondary);
}

.compare-side.new h3 {
    color: var(--accent-cyan);
}

.compare-list {
    list-style: none;
    padding: 0;
}

.compare-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.compare-list li::before {
    margin-right: 0.5rem;
}

.compare-side.old .compare-list li::before {
    content: '✗';
    color: var(--danger-red);
}

.compare-side.new .compare-list li::before {
    content: '✓';
    color: var(--success-green);
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

/* --- Final CTA Section --- */
.final-cta {
    text-align: center;
    padding: 5rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--cta-glow) 0%, transparent 70%);
    pointer-events: none;
}

.final-cta h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta h2 span {
    -webkit-text-fill-color: currentColor;
    background: none;
}

.final-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

/* --- Form Styles --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.form-input {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

select.form-input {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* --- Utility --- */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mt-4 {
    margin-top: 4rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero {
        padding: 4rem 1.5rem 3rem;
    }

    .hero-logo {
        width: 200px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .compare-grid {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    /* Comparison grids (pricing old/new, agentic today/tomorrow) */
    .comparison-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .comparison-grid>div[style*="font-size: 2rem"] {
        display: none;
    }

    /* Form address row */
    .form-row-address {
        grid-template-columns: 1fr !important;
    }

    /* Analyst quotes on index */
    .analyst-quote {
        max-width: 100%;
        flex: 1 1 100%;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: 3rem 1.25rem;
    }

    .mobile-theme-toggle {
        margin-top: 0.5rem;
        padding: 0.75rem 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        color: var(--text-secondary);
        font-size: 0.9375rem;
        cursor: pointer;
        border: none;
        background: none;
        border-radius: 8px;
        width: 100%;
    }

    .mobile-theme-toggle:hover {
        color: var(--text-primary);
        background: rgba(30, 41, 59, 0.1);
    }

    [data-theme="dark"] .mobile-theme-toggle:hover {
        background: rgba(30, 41, 59, 0.5);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-logo {
        width: 160px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .btn-group {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============================================
   AI Visibility Audit Styles
   ============================================ */

/* Form */
.audit-form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 24px var(--card-hover-shadow);
}

.audit-form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.audit-url-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-surface);
}

.audit-url-prefix {
    padding: 0.75rem 0.5rem 0.75rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
}

.audit-url-input {
    border: none !important;
    border-radius: 0 !important;
    flex: 1;
}

.audit-submit-btn {
    width: 100%;
    justify-content: center;
    font-size: 1.125rem;
    padding: 1rem 2rem;
    border: none;
    cursor: pointer;
}

/* Loading Spinner */
.audit-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    margin: 0 auto;
    animation: audit-spin 0.8s linear infinite;
}

@keyframes audit-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Score Header */
.audit-score-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem 1.5rem;
}

.audit-score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--border);
    flex-shrink: 0;
}

.audit-score-circle.score-a {
    border-color: var(--success-green);
    background: rgba(22, 163, 74, 0.05);
}

.audit-score-circle.score-b {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}

.audit-score-circle.score-c {
    border-color: var(--accent-gold);
    background: rgba(217, 119, 6, 0.05);
}

.audit-score-circle.score-d {
    border-color: var(--danger-red);
    background: rgba(220, 38, 38, 0.05);
}

.audit-score-circle.score-f {
    border-color: var(--danger-red);
    background: rgba(220, 38, 38, 0.08);
}

.audit-score-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
}

.audit-score-max {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.audit-score-meta {
    text-align: left;
}

.audit-grade-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.audit-grade-a {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success-green);
}

.audit-grade-b {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-blue);
}

.audit-grade-c {
    background: rgba(217, 119, 6, 0.1);
    color: var(--accent-gold);
}

.audit-grade-d {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger-red);
}

.audit-grade-f {
    background: rgba(220, 38, 38, 0.15);
    color: var(--danger-red);
}

.audit-grade-message {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

/* Breakdown Sections */
.audit-breakdown {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 0 1.5rem;
}

.audit-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.audit-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.audit-section-icon {
    font-size: 1.25rem;
}

.audit-section-label {
    flex: 1;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.audit-section-score {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Progress Bar */
.audit-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-surface);
    border-radius: 3px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.audit-progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Findings */
.audit-findings {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.audit-finding {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    padding: 0.375rem 0;
}

.audit-finding-icon {
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.audit-finding-check {
    font-weight: 500;
    color: var(--text-primary);
}

.audit-finding-detail {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.audit-finding-detail::before {
    content: " — ";
}

/* Comparison */
.audit-comparison {
    padding: 2rem 1.5rem;
}

.audit-compare-score {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
}

.audit-compare-grade {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-weight: 800;
    font-size: 1rem;
    margin-left: 0.5rem;
}

.audit-compare-grade-bad {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger-red);
}

.audit-compare-grade-good {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success-green);
}

/* Comparison Table */
.cmp-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    font-size: 0.9375rem;
}

.cmp-table thead th {
    padding: 1rem;
    text-align: center;
    vertical-align: top;
    width: 50%;
}

.cmp-th-site {
    background: rgba(220, 38, 38, 0.04);
    border-right: 1px solid var(--border);
}

.cmp-th-veritas {
    background: rgba(22, 163, 74, 0.04);
}

.cmp-th-label {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.cmp-th-score {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-primary);
}

.cmp-grade {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.875rem;
    margin-left: 0.375rem;
    vertical-align: middle;
}

.cmp-grade-a {
    background: rgba(22, 163, 74, 0.12);
    color: var(--success-green);
}

.cmp-grade-b {
    background: rgba(14, 165, 233, 0.12);
    color: var(--accent-blue);
}

.cmp-grade-c {
    background: rgba(217, 119, 6, 0.12);
    color: var(--accent-gold);
}

.cmp-grade-d {
    background: rgba(220, 38, 38, 0.12);
    color: var(--danger-red);
}

.cmp-grade-f {
    background: rgba(220, 38, 38, 0.15);
    color: var(--danger-red);
}

.cmp-table tbody td {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}

.cmp-site {
    border-right: 1px solid var(--border);
}

.cmp-fail {
    color: var(--danger-red);
}

.cmp-pass {
    color: var(--success-green);
}

/* Mobile */
@media (max-width: 768px) {
    .audit-form-row {
        flex-direction: column;
    }

    .audit-score-header {
        flex-direction: column;
        text-align: center;
    }

    .audit-score-meta {
        text-align: center;
    }

    .cmp-table {
        font-size: 0.8125rem;
    }

    .cmp-table thead th {
        padding: 0.75rem 0.5rem;
    }

    .cmp-table tbody td {
        padding: 0.5rem;
    }

    .cmp-th-score {
        font-size: 1.25rem;
    }
}

/* ============================================
   Truth Tools (TruthMap) Styles
   ============================================ */

/* Actor input blocks */
.tt-actor-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: border-color 0.2s ease;
}

.tt-actor-block:focus-within {
    border-color: var(--accent-blue);
}

.tt-remove-actor {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.tt-remove-actor:hover {
    border-color: var(--danger-red);
    color: var(--danger-red);
    background: rgba(220, 38, 38, 0.05);
}

/* Helper info button */
.tt-helper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    cursor: help;
    margin-left: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.tt-helper:hover {
    opacity: 1;
}

/* Result cards */
.tt-result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.tt-result-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

/* Coordination score bar */
.tt-score-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-surface);
    border-radius: 5px;
    overflow: hidden;
}

.tt-score-fill {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
    transition: width 0.8s ease-out;
}

/* Actor network link rows */
.tt-link-row {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.tt-link-row:last-child {
    border-bottom: none;
}

.tt-link-actors {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.tt-link-arrow {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.tt-link-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tt-link-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-surface);
    border-radius: 3px;
    overflow: hidden;
}

.tt-link-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease-out;
}

.tt-link-pct {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 3rem;
    text-align: right;
}

.tt-link-phrases {
    margin-top: 0.375rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.tt-link-phrases code {
    font-size: 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.125rem 0.375rem;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
}

/* Actor scores */
.tt-actor-score {
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border);
}

.tt-actor-score:last-child {
    border-bottom: none;
}

.tt-actor-score-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
}

.tt-actor-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.tt-actor-type {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border-radius: 4px;
    padding: 0.125rem 0.375rem;
}

.tt-actor-verdict {
    margin-left: auto;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.875rem;
}

.tt-verdict-likely_manufactured {
    color: var(--danger-red);
}

.tt-verdict-suspicious {
    color: var(--accent-gold);
}

.tt-verdict-likely_authentic {
    color: var(--success-green);
}

.tt-actor-bar {
    height: 4px;
    background: var(--bg-surface);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.tt-actor-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s ease-out;
}

.tt-actor-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Vocabulary chips */
.tt-vocab-chip {
    display: inline-block;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.25rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin: 0.125rem 0.125rem;
}

/* Mobile adjustments for Truth Tools */
@media (max-width: 768px) {
    .tt-link-actors {
        font-size: 0.8125rem;
    }

    .tt-actor-score-header {
        flex-wrap: wrap;
    }

    .tt-actor-verdict {
        margin-left: 0;
    }
}