/* =============================================
   KeynoteData — Site Styles
   Uses CSS custom properties from tokens.css
   ============================================= */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary);
}
p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }
strong { font-weight: var(--weight-semibold); }

/* --- Layout --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-6); }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 0 var(--space-6); }
section { padding: var(--space-16) 0; }

/* --- Utilities --- */
.mono { font-family: var(--font-mono); }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: var(--weight-regular);
  color: var(--color-primary); background: var(--color-accent-light);
  border: 1px solid rgba(15,81,50,0.15); border-radius: var(--radius-full); padding: 3px 10px;
}

/* --- Navigation --- */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid #E8EDEB;
  box-shadow: 0 1px 2px rgba(15,81,50,0.05);
}
.site-nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 var(--space-6);
  height: 60px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-8);
}
.site-logo { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.site-logo img { height: 28px; width: auto; }
.site-logo-text {
  font-family: var(--font-heading); font-size: var(--text-lg); font-weight: var(--weight-bold);
  color: #0F5132;
}
.site-nav-links { display: flex; align-items: center; gap: var(--space-6); }
.site-nav-links a {
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: #718096; transition: color 0.15s;
}
.site-nav-links a:hover { color: #2D3748; }
.nav-cta {
  font-family: var(--font-heading); font-size: var(--text-sm); font-weight: var(--weight-semibold);
  color: #fff !important; background: var(--color-primary);
  border-radius: var(--radius-md); padding: 8px 16px; transition: background 0.15s;
}
.nav-cta:hover { background: var(--color-primary-dark) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

/* --- Hero --- */
.hero {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-16) 0 var(--space-12);
  overflow: hidden;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 var(--space-6);
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: var(--weight-regular);
  color: var(--color-accent); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-4);
}
.hero h1 {
  font-size: var(--text-5xl); font-weight: var(--weight-extrabold);
  color: #fff; line-height: 1.08; margin-bottom: var(--space-6);
}
.hero-subtitle {
  font-size: var(--text-lg); color: rgba(255,255,255,0.85); line-height: 1.6; margin-bottom: var(--space-8);
}
.hero-stats { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-8); align-items: flex-start; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat-number {
  font-family: var(--font-mono); font-size: var(--text-2xl); font-weight: var(--weight-medium);
  color: #fff; line-height: 1;
}
.hero-stat-label { font-size: var(--text-xs); color: rgba(255,255,255,0.6); margin-top: 3px; }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.2); align-self: center; }

/* --- Email Capture --- */
.email-form { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.email-form input[type="email"] {
  flex: 1; min-width: 220px; padding: 12px 16px;
  font-size: var(--text-base); color: var(--color-text);
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); outline: none; transition: border-color 0.15s;
}
.email-form input[type="email"]:focus { border-color: var(--color-accent); }
.email-form input[type="email"]::placeholder { color: var(--color-text-muted); }
.btn-primary {
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold);
  color: #fff; background: var(--color-accent); border: none;
  border-radius: var(--radius-md); padding: 12px 24px; cursor: pointer; white-space: nowrap;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--color-accent-hover); }
.email-form-subtext { font-size: var(--text-sm); color: rgba(255,255,255,0.55); margin-top: var(--space-2); }

/* --- Hero Speaker Cards --- */
.hero-visual { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.speaker-card-hero {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg); padding: var(--space-4);
  backdrop-filter: blur(4px); transition: transform 0.2s;
}
.speaker-card-hero:hover { transform: translateY(-2px); }
.speaker-card-header { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.speaker-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: var(--text-lg); font-weight: var(--weight-bold);
  color: #fff; flex-shrink: 0;
}
.avatar-green { background: var(--color-accent); }
.avatar-dark { background: rgba(255,255,255,0.2); }
.avatar-sage { background: #4A8B69; }
.avatar-forest { background: #0A3D26; }
.speaker-card-name {
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold);
  color: #fff; line-height: 1.2;
}
.speaker-card-meta { font-size: var(--text-sm); color: rgba(255,255,255,0.7); line-height: 1.3; }
.speaker-card-badges { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-2); }
.conf-badge {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-accent); background: rgba(91,158,122,0.18);
  border: 1px solid rgba(91,158,122,0.3); border-radius: var(--radius-full); padding: 2px 8px;
}

/* --- Section Titles --- */
.section-title { font-size: var(--text-4xl); font-weight: var(--weight-bold); color: var(--color-primary); margin-bottom: var(--space-4); }
.section-subtitle { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 600px; line-height: 1.6; margin-bottom: var(--space-8); }

/* --- Use Cases --- */
.use-cases { background: var(--color-card); }
.use-cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.use-case-card {
  background: var(--color-bg); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg); padding: var(--space-6);
}
.use-case-icon { font-size: 28px; margin-bottom: var(--space-4); }
.use-case-card h3 {
  font-size: var(--text-xl); font-weight: var(--weight-semibold);
  color: var(--color-primary); margin-bottom: var(--space-2);
}
.use-case-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.use-case-feature { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-accent); }

/* --- Data Tables --- */
.data-section { background: var(--color-bg); }
.data-table-wrapper {
  overflow-x: auto; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
}
.data-table { width: 100%; border-collapse: collapse; background: var(--color-card); }
.data-table th {
  font-family: var(--font-heading); font-size: var(--text-xs); font-weight: var(--weight-semibold);
  color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.06em;
  padding: 12px 16px; text-align: left; background: var(--color-primary-light);
  border-bottom: 1px solid var(--color-border);
}
.data-table td {
  font-size: var(--text-sm); color: var(--color-text);
  padding: 12px 16px; border-bottom: 1px solid var(--color-border-light); vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--color-primary-light); }
.td-name { font-weight: var(--weight-semibold); color: var(--color-primary); }
.td-mono { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-accent); }
.td-link { color: var(--color-accent); font-size: var(--text-xs); font-family: var(--font-mono); }
.td-link:hover { text-decoration: underline; }
.seniority-badge {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-primary); background: var(--color-accent-light);
  border: 1px solid rgba(15,81,50,0.12); border-radius: var(--radius-full); padding: 2px 8px;
}

/* --- Data Gate (locked section) --- */
.data-gate {
  text-align: center; padding: var(--space-8) var(--space-4);
  background: linear-gradient(to bottom, transparent, var(--color-card) 40%);
  position: relative; margin-top: -60px;
}
.data-gate-inner {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6); max-width: 480px; margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.data-gate-inner p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.data-gate-inner .email-form { justify-content: center; }
.data-gate-inner .btn-primary { background: var(--color-primary); }
.data-gate-inner .btn-primary:hover { background: var(--color-primary-dark); }

/* --- How It Works --- */
.how-it-works { background: var(--color-primary); color: #fff; }
.how-it-works .section-title { color: #fff; }
.how-it-works .section-subtitle { color: rgba(255,255,255,0.75); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.step-card {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: var(--space-6);
}
.step-number {
  font-family: var(--font-mono); font-size: var(--text-4xl); font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.15); line-height: 1; margin-bottom: var(--space-4);
}
.step-card h3 { font-size: var(--text-xl); font-weight: var(--weight-semibold); color: #fff; margin-bottom: var(--space-2); }
.step-card p { font-size: var(--text-sm); color: rgba(255,255,255,0.7); }

/* --- Conference Grid --- */
.conference-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-8); }
.conf-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: box-shadow 0.2s, transform 0.2s; display: block;
}
.conf-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.conf-card-name {
  font-family: var(--font-heading); font-size: var(--text-xl); font-weight: var(--weight-semibold);
  color: var(--color-primary); margin-bottom: var(--space-2);
}
.conf-card-meta { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.conf-card-stats { display: flex; gap: var(--space-6); }
.conf-stat { display: flex; flex-direction: column; }
.conf-stat-num {
  font-family: var(--font-mono); font-size: var(--text-lg); font-weight: var(--weight-medium);
  color: var(--color-text); line-height: 1;
}
.conf-stat-label { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

/* --- FAQ --- */
.faq-section { background: var(--color-card); }
.faq-list { max-width: 720px; border-top: 1px solid var(--color-border-light); }
.faq-item { border-bottom: 1px solid var(--color-border-light); }
.faq-question {
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold);
  color: var(--color-text); padding: var(--space-5) 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
}
.faq-question::after {
  content: '+'; font-family: var(--font-mono); font-size: var(--text-xl);
  font-weight: var(--weight-regular); color: var(--color-accent); flex-shrink: 0;
}
details[open] .faq-question::after { content: '‘2'; }
.faq-answer { padding: 0 0 var(--space-5); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.65; }

/* --- CTA Section --- */
.cta-section { background: var(--color-primary-light); text-align: center; }
.cta-section h2 { font-size: var(--text-4xl); font-weight: var(--weight-bold); color: var(--color-primary); margin-bottom: var(--space-4); }
.cta-section p { font-size: var(--text-lg); color: var(--color-text-muted); margin-bottom: var(--space-8); max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-form-wrap { display: flex; justify-content: center; }
.cta-form-wrap .email-form input[type="email"] { background: var(--color-card); }
.cta-form-wrap .btn-primary { background: var(--color-primary); }
.cta-form-wrap .btn-primary:hover { background: var(--color-primary-dark); }

/* --- Founder's Note --- */
.founders-section { background: var(--color-bg); }
.founders-note {
  max-width: 680px; margin: 0 auto; text-align: center;
  background: var(--color-card); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl); padding: var(--space-8);
}
.founders-note blockquote {
  font-size: var(--text-lg); color: var(--color-text); line-height: 1.7;
  margin-bottom: var(--space-6); font-style: italic; border: none; padding: 0;
}
.founders-cite {
  font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-text-muted);
}

/* --- Footer --- */
.site-footer { background: var(--color-dark-bg); color: var(--color-dark-text); padding: var(--space-12) 0 var(--space-8); }
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 var(--space-6);
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-8);
}
.footer-brand-col {}
.footer-logo { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-4); }
.footer-logo img { height: 22px; width: auto; }
.footer-logo-text {
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-bold); color: #fff;
}
.footer-tagline { font-size: var(--text-sm); color: var(--color-dark-text-muted); line-height: 1.6; max-width: 260px; }
.footer-col h3 {
  font-family: var(--font-heading); font-size: var(--text-xs); font-weight: var(--weight-semibold);
  color: #fff; margin-bottom: var(--space-4); text-transform: uppercase; letter-spacing: 0.06em;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col ul li a { font-size: var(--text-sm); color: var(--color-dark-text-muted); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
  max-width: 1100px; margin: var(--space-8) auto 0; padding: var(--space-6) var(--space-6) 0;
  border-top: 1px solid var(--color-dark-border);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap;
}
.footer-copyright { font-size: var(--text-xs); color: var(--color-dark-text-muted); font-family: var(--font-mono); }

/* --- Breadcrumb --- */
.breadcrumb { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.breadcrumb a { color: var(--color-accent); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; color: var(--color-border); }

/* --- Conference Page Header --- */
.conf-header { background: var(--color-primary); color: #fff; padding: var(--space-12) 0; }
.conf-header-eyebrow {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-accent);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-3);
}
.conf-header h1 {
  font-size: var(--text-4xl); font-weight: var(--weight-bold); color: #fff; margin-bottom: var(--space-3);
}
.conf-header-desc { font-size: var(--text-base); color: rgba(255,255,255,0.8); max-width: 640px; line-height: 1.6; margin-bottom: var(--space-6); }
.conf-header-stats { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.conf-header-stat { display: flex; flex-direction: column; }
.conf-header-stat-num {
  font-family: var(--font-mono); font-size: var(--text-3xl); font-weight: var(--weight-medium);
  color: #fff; line-height: 1;
}
.conf-header-stat-label { font-size: var(--text-xs); color: rgba(255,255,255,0.6); margin-top: 4px; }

/* --- Page Header (category/roundup) --- */
.page-header { background: var(--color-primary-light); padding: var(--space-12) 0; border-bottom: 1px solid var(--color-border); }
.page-header h1 { font-size: var(--text-4xl); font-weight: var(--weight-bold); color: var(--color-primary); margin-bottom: var(--space-3); }
.page-header p { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 620px; line-height: 1.6; }

/* --- Prose --- */
.prose { font-size: var(--text-base); color: var(--color-text); line-height: 1.7; }
.prose h2 { font-size: var(--text-2xl); font-weight: var(--weight-semibold); color: var(--color-primary); margin-top: var(--space-8); margin-bottom: var(--space-4); }
.prose h3 { font-size: var(--text-xl); font-weight: var(--weight-semibold); color: var(--color-text); margin-top: var(--space-6); margin-bottom: var(--space-3); }
.prose ul, .prose ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }
.prose li { margin-bottom: var(--space-2); }
.prose .highlight-box {
  background: var(--color-primary-light); border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-4) var(--space-6); margin: var(--space-6) 0;
}

/* --- Related Conferences --- */
.related-confs { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--space-3); margin-top: var(--space-4); }
.related-conf-card {
  background: var(--color-bg); border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md); padding: var(--space-4); transition: border-color 0.15s;
}
.related-conf-card:hover { border-color: var(--color-accent); }
.related-conf-name { font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold); color: var(--color-primary); }
.related-conf-speakers { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

/* --- Pricing Cards --- */
.pricing-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.pricing-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8); position: relative;
}
.pricing-card.featured { border-color: var(--color-primary); box-shadow: var(--shadow-lg); }
.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: #fff;
  font-family: var(--font-mono); font-size: var(--text-xs);
  padding: 4px 14px; border-radius: var(--radius-full); white-space: nowrap;
}
.pricing-card-name {
  font-family: var(--font-heading); font-size: var(--text-xl); font-weight: var(--weight-bold);
  color: var(--color-primary); margin-bottom: var(--space-2);
}
.pricing-card-price {
  font-family: var(--font-mono); font-size: var(--text-4xl); font-weight: var(--weight-medium);
  color: var(--color-text); line-height: 1; margin-bottom: var(--space-1);
}
.pricing-card-period { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.pricing-features { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-6); }
.pricing-features li { font-size: var(--text-sm); color: var(--color-text); padding-left: var(--space-6); position: relative; }
.pricing-features li::before { content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: var(--weight-semibold); }
.btn-outline {
  display: block; width: 100%; text-align: center;
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold);
  padding: 12px 24px; border-radius: var(--radius-md);
  border: 2px solid var(--color-primary); color: var(--color-primary);
  background: transparent; cursor: pointer; transition: all 0.15s;
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-primary-block {
  display: block; width: 100%; text-align: center;
  font-family: var(--font-heading); font-size: var(--text-base); font-weight: var(--weight-semibold);
  padding: 12px 24px; border-radius: var(--radius-md);
  background: var(--color-primary); color: #fff; cursor: pointer; transition: background 0.15s;
}
.btn-primary-block:hover { background: var(--color-primary-dark); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero h1 { font-size: var(--text-4xl); }
  .use-cases-grid, .steps-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--color-card); border-bottom: 1px solid var(--color-border);
    flex-direction: column; padding: var(--space-4); gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .site-nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .container { padding: 0 var(--space-4); }
  .container-narrow { padding: 0 var(--space-4); }
  .hero h1 { font-size: var(--text-3xl); }
  .email-form { flex-direction: column; }
  .email-form input[type="email"] { min-width: unset; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .conf-header-stats { gap: var(--space-4); }
  .section-title { font-size: var(--text-3xl); }
}