/* Event Studio marketing site. Plain CSS, no build step. Colours match the app (frontend/src/index.css). */
:root {
  --navy: #0b1f3a;
  --navy-deep: #061324;
  --navy-card: #102747;
  --navy-border: #1b3c67;
  --teal: #00c2a8;
  --teal-dark: #007a6b;
  --ink: #0b1f3a;
  --slate: #52657a;
  --rule: #d6dfe9;
  --paper: #f5f8fa;
  --white: #ffffff;
  --max: 1120px;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Sora, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}
a { color: var(--teal-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: .35em; }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.muted { color: var(--slate); }
.eyebrow { color: var(--teal-dark); font-weight: 600; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .6em; }
.lede { font-size: 1.2rem; color: var(--slate); max-width: 640px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* Header */
.site-header { background: var(--navy); color: var(--white); position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--navy-border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--white); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand .mark { width: 32px; height: 32px; border-radius: 9px; background: var(--navy-deep); color: var(--teal); display: inline-grid; place-items: center; font-size: 18px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: #c9d5e3; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); background: rgba(255,255,255,.08); }
.nav .btn { margin-left: 8px; }
.menu-check { position: absolute; opacity: 0; width: 1px; height: 1px; }
.menu-btn { display: none; cursor: pointer; color: var(--white); padding: 8px 12px; border: 1px solid var(--navy-border); border-radius: 8px; font-size: .95rem; }
.site-header .wrap { position: relative; }

/* Buttons */
.btn { display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid transparent; font-size: .98rem; line-height: 1.3; }
.btn-primary { background: var(--teal); color: var(--navy-deep); }
.btn-primary:hover { background: #00d8bc; color: var(--navy-deep); }
.btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn-secondary:hover { background: rgba(255,255,255,.08); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--rule); }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.5em 0 .5em; }

/* Hero */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%); color: var(--white); padding: 72px 0 64px; }
.hero h1 { max-width: 760px; }
.hero .lede { color: #b9c9d9; }
.hero-note { font-size: .9rem; color: #8fa3b8; margin-top: 1em; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.mock { background: var(--navy-card); border: 1px solid var(--navy-border); border-radius: var(--radius); padding: 18px; box-shadow: 0 16px 36px -8px rgba(6,19,36,.7); font-size: .85rem; }
.mock .row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 8px; background: rgba(255,255,255,.04); margin-bottom: 8px; }
.mock .row b { color: var(--white); font-weight: 600; }
.mock .row span { color: #8fa3b8; }
.mock .ok { color: var(--teal); }
.mock .title { color: #8fa3b8; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--paper); }
section.dark { background: var(--navy); color: var(--white); }
section.dark .muted, section.dark .lede { color: #b9c9d9; }
section.dark h2 { color: var(--white); }
.section-head { max-width: 680px; margin-bottom: 36px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; }
.card h3 { margin-top: .2em; }
.card p:last-child { margin-bottom: 0; }
.card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--navy); color: var(--teal); display: grid; place-items: center; font-size: 20px; margin-bottom: 14px; }
section.dark .card { background: var(--navy-card); border-color: var(--navy-border); color: #dce4ec; }
section.dark .card h3 { color: var(--white); }
.steps { counter-reset: step; display: grid; gap: 20px; grid-template-columns: repeat(5, 1fr); }
.step { position: relative; padding-top: 48px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; top: 0; left: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--teal); color: var(--navy-deep); display: grid; place-items: center; font-weight: 700; }
.step h3 { font-size: 1.05rem; }
.step p { font-size: .95rem; color: var(--slate); margin: 0; }
.compare { width: 100%; border-collapse: collapse; font-size: .95rem; }
.compare th, .compare td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.compare th { background: var(--paper); font-weight: 600; }
.compare td:first-child { font-weight: 600; width: 32%; }
.check { color: var(--teal-dark); font-weight: 700; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; padding: 36px 0; border-top: 1px solid var(--rule); }
.feature:first-of-type { border-top: 0; }
.feature h2 { font-size: 1.5rem; }
.feature ul { margin: 0; color: var(--ink); }
.prose { max-width: 720px; }
.prose h2 { margin-top: 1.6em; }
.faq details { border-top: 1px solid var(--rule); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal-dark); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; max-width: 720px; color: var(--ink); }
.plan { border: 2px solid var(--teal); }
.price { font-size: 2.2rem; font-weight: 700; margin: .2em 0; }
.price small { font-size: 1rem; font-weight: 500; color: var(--slate); }
.contact-box { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 28px; }
.contact-box dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 20px; }
.contact-box dt { font-weight: 600; }
.contact-box dd { margin: 0; }

/* CTA band */
.cta { background: var(--navy-deep); color: var(--white); text-align: center; padding: 64px 0; }
.cta h2 { color: var(--white); }
.cta p { color: #b9c9d9; max-width: 560px; margin: 0 auto 1.2em; }
.cta .btn-row { justify-content: center; }

/* Footer */
.site-footer { background: var(--navy); color: #b9c9d9; padding: 48px 0 32px; font-size: .92rem; border-top: 1px solid var(--navy-border); }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 32px; margin-bottom: 32px; }
.site-footer h3 { color: var(--white); font-size: .95rem; margin-bottom: .6em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer a { color: #c9d5e3; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer .fine { border-top: 1px solid var(--navy-border); padding-top: 20px; color: #8fa3b8; font-size: .85rem; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

@media (max-width: 900px) {
  .grid, .grid-2 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .hero-grid, .feature { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 48px 0; }
  .hero { padding: 48px 0; }
  .grid, .grid-2, .steps { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .nav { display: none; }
  .menu-btn { display: inline-block; }
  .menu-check:checked ~ .nav { display: flex; flex-direction: column; align-items: stretch; position: absolute; right: 16px; top: 60px; background: var(--navy); border: 1px solid var(--navy-border); border-radius: 12px; padding: 10px; min-width: 220px; box-shadow: 0 16px 36px -8px rgba(6,19,36,.7); }
  .menu-check:checked ~ .nav .btn { margin: 6px 0 0; text-align: center; }
  .menu-check:focus-visible ~ .menu-btn { outline: 2px solid var(--teal); }
  .mock { display: none; }
  .contact-box dl { grid-template-columns: 1fr; }
}