/*
 * Reference-inspired invitation layer.
 *
 * The three reference sites make the guest journey easy to understand:
 * open the invitation, move through the story, find the event details and
 * confirm attendance. This small layer gives every INFIKRE demo that same
 * one-page rhythm while leaving each template's visual language untouched.
 */

body.invite-demo {
  --demo-nav-ink: var(--ink, #222);
  --demo-nav-surface: color-mix(in srgb, var(--paper, #fff) 86%, transparent);
  --demo-nav-shadow: 0 18px 48px rgba(0, 0, 0, .15);
  padding-bottom: 88px;
}

body.invite-demo .section {
  scroll-margin-top: 96px;
}

.preview-only-banner {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 60;
  width: min(100%, 720px);
  min-height: 30px;
  padding: 7px 16px;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--ink, #222) 94%, transparent);
  color: var(--paper, #fff);
  font: 700 .57rem/1.35 var(--font-sans, Inter, sans-serif);
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
  transform: translateX(-50%);
}

body.invite-demo.is-preview-only .demo-nav {
  top: 45px;
}

.is-preview-only [data-preview-action="true"] {
  cursor: pointer;
}

/* Tamil wedding motif used across the reference-inspired demo family. */
.invite-thoranam {
  position: absolute;
  top: 72px;
  left: 50%;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: clamp(3px, 1.2vw, 11px);
  width: min(920px, 92%);
  height: 54px;
  pointer-events: none;
  transform: translateX(-50%);
}

.invite-thoranam::before {
  position: absolute;
  top: 9px;
  left: 2%;
  width: 96%;
  height: 1px;
  background: color-mix(in srgb, var(--invite-leaf, #6f8a47) 72%, transparent);
  content: "";
}

.invite-thoranam::after {
  position: absolute;
  top: 0;
  left: 50%;
  color: var(--invite-flower, var(--accent, #cda55d));
  content: "✦";
  font-size: .78rem;
  transform: translateX(-50%);
}

.invite-thoranam span {
  position: relative;
  z-index: 1;
  display: block;
  width: clamp(15px, 2.3vw, 26px);
  height: 40px;
  margin-top: 10px;
  border-radius: 4px 4px 58% 58%;
  background: var(--invite-leaf, #6f8a47);
  box-shadow: inset -3px 0 rgba(255, 255, 255, .16);
  clip-path: polygon(50% 0, 100% 16%, 86% 100%, 50% 84%, 14% 100%, 0 16%);
  transform: rotate(16deg);
}

.invite-thoranam span:nth-child(even) {
  margin-top: 15px;
  transform: rotate(-16deg);
}

.invite-thoranam span:nth-child(4) {
  height: 48px;
  margin-top: 8px;
}

.invite-thoranam--royal {
  --invite-leaf: #78904f;
  --invite-flower: #d6b36b;
}

.invite-thoranam--floral {
  --invite-leaf: #75955f;
  --invite-flower: #d27c88;
}

.invite-thoranam--minimal {
  --invite-leaf: #8a8954;
  --invite-flower: #8b765e;
}

.invite-thoranam--cinema {
  --invite-leaf: #6d8645;
  --invite-flower: #c59a5d;
}

body.invite-demo .event-card {
  position: relative;
}

body.invite-demo .event-card::after {
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--accent, #cda55d);
  content: "✦";
  font-size: .72rem;
  opacity: .8;
}

.demo-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 35;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  width: min(1120px, calc(100% - 28px));
  min-height: 54px;
  padding: 8px 10px 8px 16px;
  border: 1px solid color-mix(in srgb, var(--demo-nav-ink) 16%, transparent);
  border-radius: 999px;
  background: var(--demo-nav-surface);
  color: var(--demo-nav-ink);
  box-shadow: var(--demo-nav-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -160%);
  transition: opacity .55s ease, transform .7s cubic-bezier(.2, .7, .2, 1);
  backdrop-filter: blur(18px) saturate(1.15);
}

body.invite-demo.is-open .demo-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.demo-nav__brand,
.demo-nav__links a,
.demo-nav__share,
.demo-nav__cta {
  color: inherit;
  font-family: var(--font-sans, Inter, sans-serif);
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
}

.demo-nav__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
}

.demo-nav__brand span {
  color: var(--accent, currentColor);
  font-size: .5rem;
  letter-spacing: .16em;
}

.demo-nav__links {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 2vw, 24px);
  min-width: 0;
}

.demo-nav__links a,
.demo-nav__share {
  padding: 9px 3px;
  border: 0;
  background: transparent;
  cursor: pointer;
  opacity: .66;
  transition: opacity .2s ease, color .2s ease;
}

.demo-nav__links a:hover,
.demo-nav__links a:focus-visible,
.demo-nav__share:hover,
.demo-nav__share:focus-visible {
  color: var(--accent, currentColor);
  opacity: 1;
}

.demo-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--accent, currentColor);
  border-radius: 999px;
  background: var(--accent, currentColor);
  color: var(--paper, #fff);
  white-space: nowrap;
  transition: transform .2s ease, filter .2s ease;
}

.demo-nav__cta:hover,
.demo-nav__cta:focus-visible {
  color: var(--paper, #fff);
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.demo-nav__cta span {
  font-size: .95rem;
  line-height: 1;
}

.demo-quick-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: stretch;
  width: min(var(--content-width), calc(100% - 36px));
  margin-inline: auto;
  border-bottom: 1px solid var(--line, rgba(0, 0, 0, .16));
}

.demo-detail {
  display: grid;
  align-content: center;
  gap: 7px;
  min-height: 94px;
  padding: 18px 20px 18px 0;
}

.demo-detail + .demo-detail {
  padding-left: 20px;
  border-left: 1px solid var(--line, rgba(0, 0, 0, .16));
}

.demo-detail span {
  color: var(--accent, currentColor);
  font: 800 .57rem/1.2 var(--font-sans, Inter, sans-serif);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.demo-detail strong {
  overflow: hidden;
  color: var(--ink, #222);
  font: 400 clamp(.95rem, 2vw, 1.28rem)/1.1 var(--font-display, var(--font-serif, Georgia, serif));
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demo-quick-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  gap: 10px;
  min-height: 42px;
  margin-left: 20px;
  padding: 0 17px;
  border: 1px solid var(--accent, currentColor);
  border-radius: 999px;
  background: var(--accent, currentColor);
  color: var(--paper, #fff);
  font: 850 .62rem/1 var(--font-sans, Inter, sans-serif);
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform .2s ease, filter .2s ease;
}

.demo-quick-action:hover,
.demo-quick-action:focus-visible {
  color: var(--paper, #fff);
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.demo-quick-action span {
  font-size: 1rem;
}

@media (min-width: 650px) {
  .demo-quick-details {
    width: min(var(--content-width), calc(100% - 72px));
  }
}

@media (max-width: 680px) {
  body.invite-demo {
    padding-bottom: 82px;
  }

  .demo-nav {
    top: auto;
    bottom: 12px;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 6px;
    width: calc(100% - 24px);
    padding: 6px 7px 6px 12px;
    transform: translate(-50%, 160%);
  }

  body.invite-demo.is-preview-only .demo-nav {
    top: auto;
  }

  .preview-only-banner {
    min-height: 34px;
    padding: 8px 12px;
    font-size: .53rem;
    letter-spacing: .04em;
  }

  body.invite-demo.is-open .demo-nav {
    transform: translate(-50%, 0);
  }

  .demo-nav__brand {
    font-size: .53rem;
    letter-spacing: .1em;
  }

  .demo-nav__brand span,
  .demo-nav__share {
    display: none;
  }

  .demo-nav__links {
    justify-content: space-around;
    gap: 0;
  }

  .demo-nav__links a {
    padding: 10px 5px;
    font-size: .53rem;
    letter-spacing: .06em;
  }

  .demo-nav__cta {
    min-height: 34px;
    padding: 0 11px;
    font-size: .53rem;
    letter-spacing: .08em;
  }

  .demo-quick-details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: calc(100% - 36px);
    padding-block: 4px;
  }

  .invite-thoranam {
    top: 66px;
    width: calc(100% - 24px);
    gap: 3px;
  }

  .invite-thoranam span {
    width: 17px;
    height: 34px;
  }

  .invite-thoranam span:nth-child(4) {
    height: 40px;
  }

  .demo-detail,
  .demo-detail + .demo-detail {
    min-height: 76px;
    padding: 14px 10px 14px 0;
  }

  .demo-detail:nth-child(2n) {
    padding-left: 10px;
    border-left: 1px solid var(--line, rgba(0, 0, 0, .16));
  }

  .demo-detail:nth-child(3) {
    border-top: 1px solid var(--line, rgba(0, 0, 0, .16));
  }

  .demo-quick-action {
    min-height: 38px;
    margin: 10px 0 10px 10px;
    padding-inline: 12px;
    font-size: .55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-nav,
  .demo-nav__cta,
  .demo-quick-action {
    transition: none;
  }
}