/* ==========================================================================
   Enrollum — marketing site stylesheet
   Self-contained: no external font/CDN requests.
   ========================================================================== */

:root {
  --ink: #0e1524;
  --ink-soft: #465063;
  --ink-faint: #6b7587;
  --accent: #2554eb;
  --accent-dark: #1a3fc4;
  --accent-soft: #eaf0ff;
  --green: #047857;
  --green-soft: #ecfdf5;
  --amber: #92400e;
  --amber-soft: #fef6e7;

  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e3e6ec;
  --border-strong: #cfd5df;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(14, 21, 36, 0.06);
  --shadow: 0 6px 20px rgba(14, 21, 36, 0.08);
  --shadow-lg: 0 20px 50px rgba(14, 21, 36, 0.12);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 1140px;
  --gutter: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  font-size: 16px;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
p { margin: 0 0 1em; color: var(--ink-soft); text-wrap: pretty; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

.eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
  letter-spacing: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent-soft); }

.btn-block { width: 100%; }
.btn-sm { padding: 9px 14px; font-size: 14px; }
.btn-lg { padding: 15px 24px; font-size: 16px; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

.link-arrow { font-weight: 600; font-size: 15px; color: var(--ink); display: inline-flex; gap: 6px; align-items: center; padding: 8px 0; }
.link-arrow span { transition: transform 0.15s ease; }
.link-arrow:hover span { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 247, 249, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }

.logo-wordmark { display: inline-flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.logo-wordmark .mark {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-bottom: 3px solid var(--accent);
  padding-bottom: 3px;
}

.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.cta-label-short { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  width: 38px;
  height: 36px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform 0.2s, background 0.2s;
}
.nav-toggle span::before { position: absolute; top: -5px; }
.nav-toggle span::after { position: absolute; top: 5px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 4px var(--gutter) 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 13px 0; font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--border); }
.mobile-nav a:last-child { border-bottom: none; }

/* ---------- Hero ---------- */
.hero { padding: 80px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: center; }

.hero h1 { font-size: 52px; letter-spacing: -0.03em; line-height: 1.05; max-width: 560px; }
.hero .lede { font-size: 18px; max-width: 500px; }
.hero-cta { display: flex; align-items: center; gap: 24px; margin-top: 32px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 40px; margin: 48px 0 0; padding-top: 24px; border-top: 1px solid var(--border); }
.hero-stats div { margin: 0; }
.hero-stats dt { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.hero-stats dd { margin: 2px 0 0; font-size: 14px; color: var(--ink-faint); }

.hero-visual { position: relative; padding: 0 0 56px; }
.shot-desktop {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-right: 72px;
}
.shot-desktop img { width: 100%; }
.shot-phone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 25%;
  max-width: 180px;
  filter: drop-shadow(0 18px 30px rgba(14, 21, 36, 0.18));
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-tight { padding-top: 0; }
.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head h2 { font-size: 36px; letter-spacing: -0.025em; }
.section-head p { font-size: 17px; margin-bottom: 0; }
.section-alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- Features (no cards: ruled columns) ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 40px; row-gap: 40px; }
.feature, .feature-card { border-top: 2px solid var(--ink); padding-top: 18px; }
.feature h3, .feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature p, .feature-card p { font-size: 15px; margin-bottom: 0; }
.feature-card .icon { display: none; }
.beta {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--ink-faint); border: 1px solid var(--border-strong); border-radius: 4px;
  padding: 2px 5px; vertical-align: 3px; margin-left: 4px;
}

/* ---------- Deployment ---------- */
.deploy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.deploy-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; background: var(--bg); }
.deploy-card.is-featured { background: var(--ink); color: #fff; border-color: var(--ink); }
.deploy-card.is-featured p, .deploy-card.is-featured li { color: #c7cfdb; }
.deploy-card .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 10px; }
.deploy-card.is-featured .tag { color: #9db4ff; }
.deploy-card h3 { font-size: 24px; margin-bottom: 6px; }
.deploy-card > p { margin-bottom: 0; }
.deploy-card ul { margin: 20px 0 0; padding: 20px 0 0; list-style: none; display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border); }
.deploy-card.is-featured ul { border-top-color: rgba(255,255,255,0.14); }
.deploy-card li { font-size: 15px; display: flex; gap: 10px; align-items: baseline; color: var(--ink-soft); }
.deploy-card li::before { content: "\2014"; color: var(--ink-faint); flex-shrink: 0; }
.deploy-card.is-featured li::before { color: #7c8799; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; list-style: none; margin: 0; padding: 0; }
.step { counter-increment: step; border-top: 1px solid var(--border-strong); padding-top: 18px; }
.step::before { content: counter(step, decimal-leading-zero); display: block; font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.step .num { display: none; }
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 15px; margin-bottom: 0; }

/* ---------- Roles ---------- */
.roles { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 48px; }
.role { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--border); }
.role h3 { font-size: 16px; margin: 0; line-height: 1.5; }
.role p { font-size: 15px; margin: 0; }
.ro { display: block; font-size: 12px; font-weight: 500; color: var(--amber); letter-spacing: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 20px 0; font-weight: 600; font-size: 17px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--ink-faint); flex-shrink: 0; line-height: 1; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding-bottom: 20px; margin: 0; font-size: 15px; max-width: 680px; }

/* ---------- Final CTA ---------- */
.cta-band {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.cta-band h2 { font-size: 30px; margin-bottom: 8px; }
.cta-band p { color: #dfe7ff; margin-bottom: 0; max-width: 460px; }

/* ---------- Footer ---------- */
.site-footer { background: #fff; border-top: 1px solid var(--border); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-brand p { font-size: 14px; max-width: 260px; margin-top: 16px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink-faint); margin-bottom: 12px; letter-spacing: 0; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 15px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-faint); flex-wrap: wrap; gap: 12px; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.is-open { opacity: 1; pointer-events: auto; }

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.2s ease;
}
.modal-overlay.is-open .modal { transform: translateY(0) scale(1); }

.modal-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; gap: 16px; }
.modal-head h2 { font-size: 22px; margin-bottom: 4px; }
.modal-head p { font-size: 14px; margin-bottom: 0; }
.modal-close {
  background: var(--bg);
  border: 1px solid var(--border);
  width: 34px; height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  color: var(--ink-soft);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { color: var(--ink); }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-row .hint { font-size: 12px; color: var(--ink-faint); font-weight: 400; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
.form-row textarea { resize: vertical; min-height: 84px; }

.method-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.method-option {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink-soft);
  background: var(--bg);
  transition: 0.15s;
}
.method-option input { position: absolute; opacity: 0; pointer-events: none; }
.method-option.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.honeypot-field { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form-msg {
  font-size: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  margin-top: 4px;
  display: none;
}
.form-msg.is-error { display: block; background: #fef2f2; color: #b91c1c; }
.form-msg.is-success { display: block; background: var(--green-soft); color: var(--green); }

.form-note { font-size: 12px; color: var(--ink-faint); margin-top: 14px; margin-bottom: 0; }

/* ---------- Inline (page-embedded) contact card ---------- */
.contact-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-card h2 { font-size: 26px; }
.contact-card > p { color: #cbd5e1; }
.contact-card .form-row label { color: #e2e8f0; }
.contact-card .form-row .hint { color: #94a3b8; }
.contact-card .form-row input, .contact-card .form-row textarea {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.16);
  color: #fff;
}
.contact-card .form-row input::placeholder, .contact-card .form-row textarea::placeholder { color: #64748b; }
.contact-card .method-option { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.16); color: #cbd5e1; }
.contact-card .method-option.is-active { background: rgba(37,84,235,0.35); border-color: var(--accent); color: #fff; }

/* ---------- Partner page ---------- */
.partner-hero { padding: 72px 0 56px; background: #fff; border-bottom: 1px solid var(--border); }
.partner-hero .container { max-width: 820px; }
.partner-hero h1 { font-size: 46px; letter-spacing: -0.03em; line-height: 1.08; }
.partner-hero .lede { font-size: 18px; max-width: 640px; }

.stat-row { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border); }
.stat-tile .num { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.stat-tile .label { font-size: 14px; color: var(--ink-faint); }

.timeline { max-width: 760px; border-top: 1px solid var(--border); }
.timeline-item { display: grid; grid-template-columns: 100px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.timeline-item .week { font-size: 14px; font-weight: 600; color: var(--accent); padding-top: 1px; }
.timeline-item h3 { font-size: 17px; margin-bottom: 4px; }
.timeline-item p { font-size: 15px; margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero h1 { font-size: 44px; max-width: 640px; }
  .hero-visual { max-width: 760px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .roles { grid-template-columns: 1fr; }
  .deploy-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .site-header .container { height: 56px; gap: 12px; }
  .header-actions { gap: 8px; }
  .cta-label-full { display: none; }
  .cta-label-short { display: inline; }
  .header-actions .btn-sm { padding: 0 12px; height: 36px; font-size: 14px; }
  .logo-wordmark .mark { font-size: 17px; border-bottom-width: 2px; }

  .hero { padding: 40px 0 56px; }
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: 36px; line-height: 1.08; }
  .hero .lede { font-size: 17px; }
  .hero-cta { margin-top: 24px; gap: 8px 20px; }
  .hero-stats { gap: 0; justify-content: space-between; margin-top: 36px; padding-top: 20px; }
  .hero-stats div { flex: 1; }
  .hero-stats dt { font-size: 24px; }
  .hero-stats dd { font-size: 13px; line-height: 1.3; }

  /* On phones, show the phone screenshot, not a shrunk desktop table */
  .hero-visual { padding: 0; }
  .shot-desktop { display: none; }
  .shot-phone {
    position: static; width: 100%; max-width: 300px; margin: 0 auto;
    height: 440px; object-fit: cover; object-position: top;
    -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent);
            mask-image: linear-gradient(to bottom, #000 72%, transparent);
    filter: none;
  }

  .section { padding: 64px 0; }
  .section-tight { padding-top: 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 28px; }
  .section-head p { font-size: 16px; }

  .feature-grid { grid-template-columns: 1fr; row-gap: 28px; }
  .feature h3, .feature-card h3 { font-size: 17px; }
  .deploy-card { padding: 24px 20px; }
  .deploy-card h3 { font-size: 21px; }
  .steps { grid-template-columns: 1fr; row-gap: 28px; }
  .role { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
  .ro { display: inline; margin-left: 6px; }
  .faq-item summary { font-size: 16px; padding: 18px 0; }

  .cta-band { flex-direction: column; align-items: stretch; padding: 32px 24px; gap: 24px; }
  .cta-band h2 { font-size: 24px; }
  .cta-band .btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-col:last-child { grid-column: 1 / -1; }

  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal { max-width: none; border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 24px 20px calc(24px + env(safe-area-inset-bottom)); max-height: 92vh; }
  .method-group { grid-template-columns: repeat(3, 1fr); }
  .method-option { padding: 10px 4px; font-size: 13px; }
  .form-row input[type="text"], .form-row textarea { font-size: 16px; } /* prevents iOS zoom */

  .partner-hero { padding: 40px 0 44px; }
  .partner-hero h1 { font-size: 32px; }
  .partner-hero .lede { font-size: 17px; }
  .partner-hero .hero-cta .btn-lg { width: 100%; }
  .stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; padding: 20px 0; }
  .contact-card { padding: 24px 20px; }
  .contact-card h2 { font-size: 22px; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 32px; }
  .hero-stats dd { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}