/* ===== Fonts ===== */
@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Variable.ttf") format("truetype-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Italic-Variable.ttf") format("truetype-variations");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Roboto Mono";
  src: url("fonts/RobotoMono-Variable.ttf") format("truetype-variations");
  font-weight: 100 700;
  font-style: normal;
  font-display: swap;
}

/* ===== Tokens ===== */
:root {
  --green: #41A762;
  --green-hover: #34894F;
  --ink: #0B0E10;
  --ink-line: #2A3036;
  --text-strong: #14181B;
  --text-body: #4A5158;
  --text-body-d: #AEB5BB;
  --text-muted: #8A929A;
  --slate: #9AA3AB;
  --paper: #F4F5F6;
  --border: #E4E7EA;
  --border-2: #EDEEF0;
  --white: #FFFFFF;
  --container: 1100px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-strong);
  background: var(--white);
}
img { max-width: 100%; display: block; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.g { color: var(--green); }

.disp { font-weight: 800; letter-spacing: -0.035em; line-height: 0.95; margin: 0; }
.lead { font-family: "Inter", sans-serif; font-weight: 500; font-size: clamp(18px, 2.4vw, 23px); line-height: 1.42; letter-spacing: -0.01em; margin: 22px 0 0; color: var(--text-strong); }
.body { font-size: 16px; line-height: 1.66; color: var(--text-body); margin: 16px 0 0; max-width: 620px; }
.mono { font-family: "Roboto Mono", ui-monospace, monospace; }
.kick { font-family: "Roboto Mono", monospace; text-transform: uppercase; letter-spacing: 0.26em; font-size: 12px; color: var(--green); font-weight: 500; }
.cap { font-family: "Roboto Mono", monospace; text-transform: uppercase; letter-spacing: 0.16em; font-size: 11px; color: var(--text-muted); margin: 0; }

.rule-sm { width: 40px; height: 3px; background: var(--green); display: inline-block; flex: none; }

.gridbg, .gridbg-d {
  position: absolute; inset: 0; pointer-events: none;
  background-size: 72px 72px;
}
.gridbg { background-image: linear-gradient(rgba(20,24,27,0.05) 1px,transparent 1px), linear-gradient(90deg,rgba(20,24,27,0.05) 1px,transparent 1px); }
.gridbg-d { background-image: linear-gradient(rgba(255,255,255,0.06) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,0.06) 1px,transparent 1px); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--green); color: var(--ink);
  font-family: "Roboto Mono", monospace; text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 13px; font-weight: 600;
  padding: 14px 28px; border: none; border-radius: 2px; cursor: pointer;
  text-decoration: none; transition: background 120ms ease-out;
}
.btn:hover { background: var(--green-hover); }
.btn:focus-visible { outline: 3px solid rgba(65,167,98,.45); outline-offset: 2px; }
.btn-sm { padding: 9px 18px; font-size: 11px; }
.btn-lg { padding: 16px 34px; font-size: 13px; }
.btn-submit { width: 100%; }
.btn-submit:disabled { opacity: .55; cursor: not-allowed; }

/* ===== Header ===== */
.bar { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border-2); }
.bar-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.bar-mark { font-family: "Inter", sans-serif; font-weight: 800; font-size: 22px; letter-spacing: -0.02em; color: var(--text-strong); text-decoration: none; }
.bar-nav { display: flex; align-items: center; gap: 20px; }
.bar-host { color: var(--text-muted); font-size: 10px; letter-spacing: 0.18em; display: none; }
@media (min-width: 560px) { .bar-host { display: inline; } }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 88px 0 76px; }
.hero-inner { position: relative; }
.eyebrow { display: flex; align-items: center; gap: 16px; }
.hero-title { font-size: clamp(52px, 9.5vw, 116px); margin-top: 26px; }
.hero-sub { font-size: 17px; max-width: 560px; }
.hero-actions { margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.hero-meta { font-size: 11px; color: var(--text-muted); letter-spacing: 0.16em; }

/* ===== Sections ===== */
.section { padding: 80px 0; position: relative; }
.section-paper { background: var(--paper); }
.section-ink { background: var(--ink); overflow: hidden; }

/* ===== Event ===== */
.event-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: start; }
.event-title { font-size: clamp(34px, 4.5vw, 50px); margin: 14px 0 6px; color: var(--text-strong); }

.glance-card { background: var(--white); border: 1px solid var(--border); border-radius: 2px; }
.glance-head { padding: 24px 26px 20px; border-bottom: 1px solid var(--border-2); }
.glance-name { font-size: 26px; margin-top: 12px; }
.glance-rows { margin: 0; padding: 4px 26px 16px; }
.glance-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border-2); }
.glance-row-last { border-bottom: none; }
.glance-row dt, .glance-row dd { margin: 0; }
.glance-val { color: var(--text-strong); }

/* ===== Agenda ===== */
.agenda { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.agenda li { display: flex; align-items: center; gap: 22px; height: 72px; }
.agenda-time { color: var(--green); font-size: 13px; width: 112px; flex: none; }
.agenda-label { color: #fff; font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }

/* ===== FAQ ===== */
.faq-title { font-size: clamp(28px, 4vw, 42px); margin-top: 12px; margin-bottom: 40px; }
.faq-list { max-width: 720px; }
.faq-item {
  border-top: 1px solid var(--border);
  list-style: none;
}
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 0; cursor: pointer;
  font-size: 17px; font-weight: 600; color: var(--text-strong);
  list-style: none; user-select: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { color: var(--green); }
.faq-chevron {
  width: 20px; height: 20px; flex: none;
  border: 1.5px solid var(--border); border-radius: 999px;
  position: relative; transition: transform 200ms ease, border-color 200ms ease;
}
.faq-chevron::before,
.faq-chevron::after {
  content: ""; position: absolute; background: var(--text-muted);
  border-radius: 2px; transition: background 200ms ease;
}
.faq-chevron::before { width: 8px; height: 1.5px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-chevron::after  { width: 1.5px; height: 8px; top: 50%; left: 50%; transform: translate(-50%, -50%); transition: opacity 200ms ease, background 200ms ease; }
.faq-item[open] .faq-chevron { border-color: var(--green); transform: rotate(45deg); }
.faq-item[open] .faq-chevron::before,
.faq-item[open] .faq-chevron::after { background: var(--green); }
.faq-item[open] .faq-q { color: var(--green); }
.faq-a { padding-bottom: 20px; }
.faq-a p { font-size: 15px; line-height: 1.7; color: var(--text-body); margin: 0; }
.faq-a a { color: var(--green); text-decoration: none; }
.faq-a a:hover { text-decoration: underline; }

/* ===== RSVP ===== */
.rsvp-wrap { display: flex; justify-content: center; }
.rsvp-card { width: 100%; max-width: 540px; background: var(--white); border: 1px solid var(--border); border-radius: 2px; padding: 44px 40px; }
.rsvp-title { font-size: clamp(28px, 4vw, 38px); margin-top: 12px; }
.rsvp-sub { font-size: 15px; }

.rsvp-form { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.rsvp-form[hidden] { display: none; }
.field { display: flex; flex-direction: column; gap: 8px; border: none; padding: 0; margin: 0; }
.field[hidden] { display: none; }
.field legend.cap { padding: 0; }
.optional { text-transform: none; letter-spacing: 0; color: var(--slate); }

.input {
  font-family: "Inter", sans-serif; font-size: 15px; color: var(--text-strong);
  background: var(--white); border: 1px solid var(--border); border-radius: 2px;
  padding: 12px 14px; width: 100%;
}
.input:focus-visible { outline: 2px solid var(--green); outline-offset: 1px; border-color: var(--green); }
textarea.input { resize: vertical; font-family: "Inter", sans-serif; }

.toggle-group { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.toggle-btn {
  font-family: "Roboto Mono", monospace; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 10px; border: 1px solid var(--border); background: var(--white); color: var(--text-body);
  border-radius: 2px; cursor: pointer; transition: all 120ms ease-out;
}
.toggle-btn:hover { border-color: var(--green); }
.toggle-btn[aria-checked="true"] { background: var(--green); border-color: var(--green); color: var(--ink); font-weight: 600; }
.toggle-btn:focus-visible { outline: 3px solid rgba(65,167,98,.4); outline-offset: 2px; }

.form-error { color: #C0392F; font-size: 13px; margin: 0; }

.rsvp-confirm { margin-top: 8px; text-align: center; padding: 24px 0 8px; }
.rsvp-confirm-mark { width: 36px; height: 36px; border-radius: 999px; background: var(--green); margin: 0 auto 18px; }
.rsvp-confirm-title { font-size: 28px; }
.rsvp-confirm .body { margin: 14px auto 0; max-width: 380px; }

/* ===== Footer ===== */
.footer { background: var(--ink); padding: 40px 0; }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-row-sub { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--ink-line); }
.footer-logo { height: 18px; opacity: .85; }
.footer-tag, .footer-row-sub .cap { color: #6F7880; }
.footer-email { text-decoration: none; color: #6F7880; }
.footer-email:hover { color: var(--green); }

/* ===== Invite Gate ===== */
.gate {
  position: fixed; inset: 0; z-index: 100;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; overflow: hidden;
}
.gate[hidden] { display: none; }
.gate-inner { position: relative; z-index: 1; width: 100%; max-width: 440px; text-align: center; }
.gate-logo { display: inline-block; margin-bottom: 0; }
.gate-faf { font-family: "Inter", sans-serif; font-weight: 800; font-size: clamp(72px, 14vw, 112px); letter-spacing: -0.03em; color: #fff; line-height: 0.9; display: block; }
.gate-faf-sub { font-family: "Roboto Mono", monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-body-d); display: block; width: 100%; text-align: justify; text-align-last: justify; margin-top: 10px; padding-right: 0.08em; }
.gate-title { font-size: clamp(36px, 7vw, 56px); color: #fff; margin-top: 28px; }
.gate-body { color: var(--text-body-d); max-width: 360px; margin: 14px auto 0; font-size: 15px; }
.gate-form { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.gate-input {
  text-align: center;
  font-family: "Roboto Mono", monospace; font-size: 20px; letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--ink-line); border-color: transparent; color: #fff;
  padding: 16px 14px;
}
.gate-input::placeholder { color: var(--text-muted); }
.gate-input:focus-visible { background: var(--ink); border-color: var(--green); }
.gate-error { color: #e06b5f; font-size: 13px; margin: 0; }
.gate-submit { width: 100%; }

/* ===== Admin ===== */
.admin-page { background: var(--paper); }
.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
}
.admin-login-card {
  width: 100%; max-width: 400px;
  background: var(--white); border: 1px solid var(--border); border-radius: 2px;
  padding: 44px 40px;
}
.admin-login-title { font-size: clamp(32px, 5vw, 44px); margin-top: 12px; }
.admin-login-form { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; }
.admin-main { padding: 56px 0 80px; }
.admin-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 20px; margin-bottom: 32px;
}
.admin-section-title { font-size: clamp(28px, 4vw, 38px); margin-top: 10px; }
.admin-stats { margin-top: 6px; letter-spacing: 0.12em; }
.admin-new-form {
  background: var(--white); border: 1px solid var(--border); border-radius: 2px;
  padding: 28px 32px; margin-bottom: 24px;
}
.admin-create-form { display: flex; flex-direction: column; gap: 18px; }
.admin-create-actions { display: flex; align-items: center; gap: 14px; }
.btn-cancel {
  background: transparent; border: 1px solid var(--border); color: var(--text-body);
}
.btn-cancel:hover { background: var(--paper); }
.btn-danger {
  background: transparent; border: 1px solid #e8b4b0; color: #C0392F;
}
.btn-danger:hover { background: #fdf2f1; }
.admin-codes-list { display: flex; flex-direction: column; gap: 2px; }
.code-row {
  background: var(--white); border: 1px solid var(--border); border-radius: 2px;
  padding: 18px 24px;
  display: flex; align-items: center; flex-wrap: wrap; gap: 16px;
}
.code-row-new { border-color: var(--green); }
.code-main { display: flex; align-items: baseline; gap: 14px; flex: 1; min-width: 0; }
.code-text { font-size: 17px; font-weight: 600; color: var(--text-strong); letter-spacing: 0.08em; }
.code-label { font-size: 14px; color: var(--text-body); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.code-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.code-actions { display: flex; gap: 8px; }
.code-uses summary { cursor: pointer; }
.code-uses summary::-webkit-details-marker { display: none; }
.uses-list {
  margin: 10px 0 0; padding: 0;
  list-style: none; display: flex; flex-direction: column; gap: 6px;
}
.uses-list li { font-size: 13px; color: var(--text-body); }
.admin-empty { text-align: center; padding: 48px 0; color: var(--text-muted); }

.tier-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .tier-grid { grid-template-columns: 1fr; } }
.tier-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 2px;
  padding: 32px 32px 28px; display: flex; flex-direction: column; gap: 20px;
}
.tier-header { display: flex; align-items: center; justify-content: space-between; }
.tier-badge {
  font-family: "Roboto Mono", monospace; font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 4px 10px; border-radius: 2px;
  background: var(--paper); color: var(--text-muted); border: 1px solid var(--border);
}
.tier-badge-vip { background: var(--ink); color: var(--green); border-color: var(--ink); }
.tier-code {
  font-size: 26px; font-weight: 600; letter-spacing: 0.1em;
  color: var(--text-strong); word-break: break-all;
}
.tier-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tier-usage { border-top: 1px solid var(--border-2); padding-top: 16px; }
.tier-use-count { display: block; }
.use-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border-2); }
.uses-list li:last-child .use-row { border-bottom: none; }
.use-attending { font-family: "Roboto Mono", monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; padding: 2px 7px; border-radius: 2px; flex: none; }
.use-attending-yes  { background: #e6f4ec; color: #2d7a4f; }
.use-attending-no   { background: #fdf2f1; color: #C0392F; }
.use-meta  { font-size: 13px; color: var(--text-muted); }
.use-email { font-size: 13px; color: var(--text-body); }
.use-date  { opacity: .5; margin-left: auto; }

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .event-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
  .rsvp-card { padding: 32px 22px; }
  .glance-rows { padding: 4px 18px 12px; }
  .glance-row { flex-direction: column; gap: 2px; padding: 12px 0; }
  .agenda li { gap: 14px; }
  .agenda-time { font-size: 12px; width: 100px; }
  .agenda-label { font-size: 15px; }
  .faq-q { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-meta { font-size: 10px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
  .tier-grid { grid-template-columns: 1fr; }
  .admin-head { flex-direction: column; align-items: flex-start; }
}