/* EventHelm marketing site — shared stylesheet */

:root {
  --indigo: #4f46e5;
  --indigo-dark: #4338ca;
  --indigo-soft: #eef2ff;
  --teal: #14b8a6;
  --teal-soft: #f0fdfa;
  --ink: #111827;
  --ink-soft: #4b5563;
  --ink-faint: #6b7280;
  --line: #e5e7eb;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.05), 0 8px 24px rgba(17, 24, 39, 0.06);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
}

a {
  color: var(--indigo);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.site-nav a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--ink);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--indigo);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
}

.btn-primary:hover {
  background: var(--indigo-dark);
}

.btn-secondary {
  background: var(--indigo-soft);
  color: var(--indigo);
}

.btn-secondary:hover {
  background: #e0e7ff;
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink-faint);
}

.btn-small {
  padding: 9px 16px;
  font-size: 0.9rem;
}

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 72px;
  text-align: center;
  background:
    radial-gradient(60% 50% at 50% 0%, var(--indigo-soft) 0%, transparent 70%),
    var(--bg);
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin: 0 auto 20px;
}

.hero h1 .accent {
  color: var(--indigo);
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--ink-faint);
}

/* ---------- Page intro (subpages) ---------- */

.page-intro {
  padding: 64px 0 40px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 0%, var(--indigo-soft) 0%, transparent 75%),
    var(--bg);
}

.page-intro h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.page-intro p {
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.08rem;
}

/* ---------- Sections ---------- */

.section {
  padding: 64px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--ink-soft);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}

/* ---------- Lifecycle strip ---------- */

.lifecycle {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  counter-reset: step;
}

.lifecycle .step {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: left;
}

.lifecycle .step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--indigo);
  margin-bottom: 8px;
}

.lifecycle .step h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.lifecycle .step p {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Card grids ---------- */

.grid {
  display: grid;
  gap: 20px;
}

.grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}

.card .icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.card ul {
  margin: 10px 0 0 18px;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.card ul li + li {
  margin-top: 6px;
}

/* ---------- Callout ---------- */

.callout {
  background: linear-gradient(120deg, var(--indigo) 0%, #6d28d9 100%);
  color: #fff;
  border-radius: 18px;
  padding: 48px 40px;
  text-align: center;
}

.callout h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 12px;
}

.callout p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 26px;
}

.callout .btn-primary {
  background: #fff;
  color: var(--indigo);
}

.callout .btn-primary:hover {
  background: var(--indigo-soft);
}

/* ---------- Pricing ---------- */

.free-tier {
  border: 1.5px solid var(--teal);
  background: var(--teal-soft);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  gap: 26px;
  align-items: center;
  flex-wrap: wrap;
}

.free-tier .price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
}

.free-tier .detail {
  flex: 1;
  min-width: 260px;
}

.free-tier h3 {
  margin-bottom: 6px;
}

.free-tier p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.price-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.price-card.popular {
  border-color: var(--indigo);
  box-shadow: var(--shadow);
}

.price-card .flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--indigo);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.price-card .credits {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.price-card .amount {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 6px 0 2px;
}

.price-card .rate {
  font-size: 0.88rem;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.price-card .btn {
  margin-top: auto;
  text-align: center;
}

.calc {
  margin-top: 44px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}

.calc h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.calc > p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 720px;
}

.calc-input-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.calc-input-row label {
  font-weight: 600;
  font-size: 0.95rem;
}

.calc-input-row input {
  font: inherit;
  font-size: 1rem;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 220px;
  color: var(--ink);
  background: var(--bg);
}

.calc-input-row input:focus {
  outline: 2px solid var(--indigo);
  outline-offset: 1px;
  border-color: var(--indigo);
}

.calc-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 26px;
}

.calc-option {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 22px 18px;
}

.calc-option.recommended {
  border-color: var(--indigo);
  box-shadow: var(--shadow);
}

.calc-option .flag {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--indigo);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.calc-option h4 {
  font-size: 0.98rem;
  margin-bottom: 12px;
}

.calc-lines {
  list-style: none;
  margin-bottom: 12px;
}

.calc-lines li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding: 4px 0;
}

.calc-total {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  font-weight: 700;
}

.calc-note {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.payg {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}

.payg h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.payg p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 720px;
}

.payg p + p {
  margin-top: 10px;
}

/* ---------- Tables ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  min-width: 560px;
}

th,
td {
  text-align: left;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
}

th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- FAQ / prose ---------- */

.faq {
  max-width: 760px;
  margin: 0 auto;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  background: var(--bg);
}

.faq details + details {
  margin-top: 12px;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--indigo);
  flex-shrink: 0;
}

.faq details[open] summary::after {
  content: "\2212";
}

.faq details p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- Support ---------- */

.contact-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
}

.contact-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--indigo-soft);
  font-size: 1.35rem;
}

.contact-card h3 {
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--ink-soft);
  font-size: 0.93rem;
  margin-bottom: 16px;
}

.checklist {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 34px;
}

.checklist h3 {
  margin-bottom: 14px;
}

.checklist ul {
  margin-left: 20px;
  color: var(--ink-soft);
}

.checklist li + li {
  margin-top: 8px;
}

.checklist code {
  background: var(--indigo-soft);
  color: var(--indigo-dark);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 48px 0 36px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-cols {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-cols h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-bottom: 12px;
}

.footer-cols ul {
  list-style: none;
}

.footer-cols li + li {
  margin-top: 8px;
}

.footer-cols a {
  color: var(--ink-soft);
}

.footer-cols a:hover {
  color: var(--indigo);
}

.footer-legal {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .lifecycle {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid.cols-3,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 20px;
    gap: 14px;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .lifecycle,
  .grid.cols-3,
  .grid.cols-2,
  .pricing-grid,
  .calc-options {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 60px 0 52px;
  }

  .callout {
    padding: 36px 24px;
  }
}