html,
  body {
    margin: 0;
    padding: 0;
  }

  /* ============================================================
     INVITACIÓN — base
     ============================================================ */
  .inv {
    position: relative;
    width: 100%;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--fbody);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
  }

  .inv * {
    box-sizing: border-box;
  }

  /* La invitación ocupa todo el ancho (header, footer y fondo full-width).
     Solo el contenido se limita a una columna legible centrada; los bordes
     ondulados (.inv__edge / .inv__foot) quedan excluidos para ir de borde a borde. */
  .inv>*:not(.inv__edge):not(.inv__foot):not(.inv__toast) {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .inv p {
    margin: 0;
  }

  .inv a:not(.btn) {
    color: inherit;
  }

  /* theme tokens */
  .inv--curvas {
    --paper: #FAF9F6;
    --ink: #0d0d0d;
    --muted: rgba(13, 13, 13, .6);
    --fbody: "Helvetica", "Helvetica Neue", Arial, sans-serif;
    --fdisplay: "Symphony", cursive;
    --fnum: "Symphony", cursive;
    --flabel: "Helvetica", "Helvetica Neue", Arial, sans-serif;
  }

  /* ---------- borders ---------- */
  /* Onda en assets/borde-curvas-tile.svg, repetida en X y teñida con --ink
     vía mask. El borde inferior se rota 180°. La url se inyecta inline desde
     el JSX (ASSETS.borderTile) para resolver bien el {% static %} de Django. */
  .inv__edge {
    display: block;
    width: 100%;
    height: 44px;
    background-color: var(--ink);
    -webkit-mask-repeat: repeat-x;
    mask-repeat: repeat-x;
    -webkit-mask-position: top center;
    mask-position: top center;
    -webkit-mask-size: auto 100%;
    mask-size: auto 100%;
  }


  /* sparkle animations */
  .inv__sparkle {
    transform-origin: center center;
    display: block;
  }

  .inv__sparkle.sp1 {
    animation: sp-spin 8s linear infinite, sp-pulse 3s ease-in-out infinite;
  }

  .inv__sparkle.sp2 {
    animation: sp-spin 12s linear infinite reverse, sp-pulse 4s 1s ease-in-out infinite;
  }

  @keyframes sp-spin {
    from {
      transform: rotate(0deg);
    }

    to {
      transform: rotate(360deg);
    }
  }

  @keyframes sp-pulse {

    0%,
    100% {
      opacity: 1;
      transform: rotate(var(--r, 0deg)) scale(1);
    }

    50% {
      opacity: .5;
      transform: rotate(var(--r, 0deg)) scale(.65);
    }
  }

  /* ---------- hero ---------- */
  .inv__hero {
    position: relative;
    padding: 50px 30px 26px;
    text-align: center;
  }

  .inv__sparkle {
    position: absolute;
    color: var(--ink);
  }

  .inv__names {
    font-family: var(--fdisplay);
    line-height: 1.02;
    margin: 6px 0 22px;
    padding-bottom: .22em;
    text-wrap: balance;
  }

  .inv--curvas .inv__names {
    font-size: 60px;
    font-weight: 400;
    letter-spacing: .3px;
    line-height: 1.05;
    padding-bottom: .26em;
    white-space: nowrap;
  }

  .inv__kicker {
    font-family: var(--flabel);
    font-weight: 700;
    letter-spacing: .14em;
    font-size: 15px;
    margin-bottom: 10px;
  }

  .inv__lede {
    font-size: 15px;
    color: var(--ink);
    letter-spacing: .02em;
    margin-bottom: 16px;
    line-height: 1.4;
  }

  .inv--curvas .inv__lede {
    letter-spacing: .04em;
  }

  .inv__date {
    font-family: var(--flabel);
    letter-spacing: .12em;
    font-size: 16px;
    color: var(--muted);
    padding-top: 8px;
  }

  /* ---------- countdown ---------- */
  .inv__count {
    padding: 22px 18px 8px;
    text-align: center;
  }

  .inv__count-h {
    font-family: var(--flabel);
    font-weight: 700;
    letter-spacing: .14em;
    font-size: 12px;
    margin-bottom: 16px;
  }

  .inv__count-row {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 10px;
  }

  .inv__count-cell {
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
  }

  .inv__count-num {
    font-family: var(--fnum);
    line-height: .85;
    font-variant-numeric: tabular-nums;
  }

  .inv--curvas .inv__count-num {
    font-size: 54px;
    font-weight: 600;
  }

  .inv__count-lab {
    margin-top: 9px;
    font-size: 12px;
    letter-spacing: .06em;
    color: var(--muted);
    font-family: var(--flabel);
  }

  /* ---------- motif ---------- */
  .inv__motif {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 14px 0 2px;
  }

  .inv__rings {
    width: 130px;
    height: 130px;
    object-fit: contain;
    display: block;
  }

  /* ---------- venue ---------- */
  .inv__block {
    padding: 22px 30px;
    text-align: center;
  }

  .inv__block-h {
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: .02em;
    margin-bottom: 12px;
  }

  .inv__venue {
    line-height: 1.55;
    font-size: 14px;
    color: var(--ink);
  }

  .inv__venue strong {
    font-weight: 700;
  }

  /* ---------- buttons ---------- */
  .inv__btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    margin-top: 18px;
  }

  .inv__btn-row {
    display: flex;
    gap: 10px;
  }

  .inv__btn-row>* {
    flex: 1 1 0;
  }

  .btn {
    appearance: none;
    border: none;
    cursor: pointer;
    width: 100%;
    font-family: var(--flabel);
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: 12px;
    padding: 15px 18px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 8px;
    text-decoration: none;
    transition: transform .12s ease, background .15s, color .15s;
    background: var(--ink);
    color: var(--paper);
  }

  .btn:active {
    transform: translateY(1px);
  }

  .btn--ghost {
    background: transparent;
    color: var(--ink);
    box-shadow: inset 0 0 0 1.5px var(--ink);
  }

  .btn svg {
    width: 15px;
    height: 15px;
  }

  /* ---------- calendar picker ---------- */
  .inv__cal-pick {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  /* ---------- timeline ---------- */
  .inv__time {
    padding: 8px 30px 26px;
  }

  .inv__time-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 14px;
  }

  .inv__time-row {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    align-items: baseline;
    padding: 12px 0;
    border-top: 1px solid rgba(13, 13, 13, .14);
  }

  .inv__time-row:last-child {
    border-bottom: 1px solid rgba(13, 13, 13, .14);
  }

  .inv__time-when {
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .04em;
    font-variant-numeric: tabular-nums;
  }

  .inv__time-what {
    font-size: 16px;
  }

  .inv__time-what small {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-top: 2px;
  }

  /* ---------- details ---------- */
  .inv__details {
    padding: 24px 30px 20px;
  }

  .inv__details-h {
    text-align: center;
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 19px;
    letter-spacing: .02em;
    margin-bottom: 22px;
  }

  .acc {
    border-top: 1px solid currentColor;
  }

  .acc:last-of-type {
    border-bottom: 1px solid currentColor;
  }

  .acc__head {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 2px;
    text-align: left;
    font-family: inherit;
  }

  .acc__title {
    font-weight: 700;
    font-size: 16px;
    font-family: var(--flabel);
    letter-spacing: .01em;
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .acc__num {
    font-family: var(--flabel);
    font-size: 12px;
    opacity: .55;
    letter-spacing: .1em;
  }

  .acc__chev {
    transition: transform .25s ease;
    flex: 0 0 auto;
  }

  .acc__chev svg {
    width: 18px;
    height: 18px;
    display: block;
  }

  .acc.is-open .acc__chev {
    transform: rotate(180deg);
  }

  .acc__body {
    overflow: hidden;
    transition: height .28s ease;
  }

  .acc__body-inner {
    padding: 0 2px 22px;
    font-size: 16px;
    line-height: 1.62;
    color: inherit;
  }

  .inv--curvas .acc__body-inner {
    color: var(--ink);
  }

  .acc__body-inner em {
    font-style: italic;
    font-weight: 700;
  }

  .alias {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-top: 16px;
  }

  .alias__label {
    text-align: center;
  }

  .alias__chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--flabel);
    font-weight: 700;
    letter-spacing: .04em;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(13, 13, 13, .08);
    color: var(--ink);
    border: 1px solid rgba(13, 13, 13, .25);
    cursor: pointer;
    font-size: 14px;
    transition: background .15s;
  }

  .alias__chip:hover {
    background: rgba(13, 13, 13, .14);
  }

  .alias__label {
    font-weight: 400;
    font-family: var(--fbody);
    opacity: .7;
    font-size: 13px;
  }

  /* ---------- rsvp ---------- */
  .inv__rsvp {
    padding: 24px 30px 28px;
    text-align: center;
  }

  .inv__rsvp-h {
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 19px;
    letter-spacing: .02em;
    margin-bottom: 14px;
  }

  .inv__rsvp-note {
    font-size: 15px;
    line-height: 1.55;
    color: var(--muted);
    margin-bottom: 22px;
  }

  .inv__rsvp-deadline {
    color: var(--ink);
    font-weight: 700;
  }

  .field {
    text-align: left;
    margin-bottom: 16px;
  }

  .field__hint {
    font-weight: 400;
    opacity: .6;
    text-transform: none;
    letter-spacing: 0;
  }

  .field>label {
    display: block;
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .06em;
    margin-bottom: 7px;
    color: var(--ink);
  }

  .field input[type=text],
  .field textarea {
    width: 100%;
    font-family: var(--fbody);
    font-size: 16px;
    color: var(--ink);
    background: transparent;
    border: none;
    border-bottom: 1.5px solid rgba(13, 13, 13, .4);
    padding: 9px 2px;
    outline: none;
    transition: border-color .15s;
  }

  .field input::placeholder,
  .field textarea::placeholder {
    color: rgba(13, 13, 13, .32);
  }

  .field input:focus,
  .field textarea:focus {
    border-color: var(--ink);
  }

  .field textarea {
    resize: none;
    min-height: 56px;
    line-height: 1.5;
  }

  .choice {
    display: flex;
    gap: 10px;
  }

  .choice button {
    flex: 1 1 0;
    cursor: pointer;
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 13px 10px;
    border-radius: 999px;
    border: 1.5px solid var(--ink);
    background: transparent;
    color: var(--ink);
    transition: all .15s;
  }

  .choice button.is-sel {
    background: var(--ink);
    color: var(--paper);
  }

  .inv__thanks {
    padding: 18px 6px 6px;
  }

  .inv__thanks-mark {
    width: 54px;
    height: 54px;
    margin: 0 auto 16px;
  }

  .inv__thanks-mark circle {
    fill: none;
    stroke: var(--ink);
    stroke-width: 2;
  }

  .inv__thanks-mark path {
    fill: none;
    stroke: var(--ink);
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .inv__thanks h4 {
    margin: 0 0 8px;
    font-family: var(--fdisplay);
    font-weight: 600;
    font-size: 30px;
  }

  .inv--curvas .inv__thanks h4 {
    font-size: 42px;
  }

  .inv__thanks p {
    font-size: 16px;
    line-height: 1.55;
    color: var(--muted);
  }

  .inv__thanks button {
    margin-top: 18px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    font-family: var(--flabel);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .inv__demo {
    margin-top: 10px;
    font-family: var(--flabel);
    font-size: 10px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: .7;
  }

  .inv__whatsapp {
    font-style: italic;
    font-size: 14px;
    line-height: 1.5;
    color: var(--muted);
    margin-top: 22px;
    text-align: center;
  }

  /* ---------- footer ---------- */
  .inv__pre-foot {
    background: var(--paper);
    text-align: center;
    padding: 16px 0 28px;
  }

  .inv__foot {
    background: var(--ink);
    color: var(--paper);
    text-align: center;
    padding: 36px 30px 0;
  }

  .inv__foot p {
    font-family: var(--flabel);
    font-weight: 700;
    letter-spacing: .04em;
    font-size: 17px;
  }

  /* onda blanca al pie del footer: misma tile, teñida con --paper y volteada
     (scaleY(-1)) para que las cúpulas blancas suban sobre el footer negro.
     Los márgenes negativos cancelan el padding lateral del footer (full-width). */
  .inv__foot-wave {
    height: 40px;
    margin: 24px -30px 0;
    background-color: var(--paper);
    transform: scaleY(-1);
    -webkit-mask-repeat: repeat-x;
    mask-repeat: repeat-x;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: auto 100%;
    mask-size: auto 100%;
  }

  .inv__envelope {
    width: 110px;
    height: 110px;
    object-fit: contain;
    display: block;
    margin: 0 auto 20px;
  }

  /* diet chips */
  .diet-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 0 4px;
  }

  .diet-chip {
    cursor: pointer;
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1.5px solid rgba(13, 13, 13, .3);
    background: transparent;
    color: var(--ink);
    transition: all .15s;
  }

  .diet-chip.is-sel {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }

  /* toast */
  .inv__toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(10px);
    background: var(--ink);
    color: var(--paper);
    padding: 10px 18px;
    border-radius: 999px;
    font-family: var(--flabel);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
    z-index: 100;
    white-space: nowrap;
  }

  .inv__toast.is-on {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  /* ---------- per-guest RSVP rows ---------- */
  .guest-row {
    padding: 18px 0;
    border-bottom: 1px solid rgba(13, 13, 13, .12);
  }

  .guest-row:last-of-type {
    border-bottom: none;
  }

  .guest-row__name {
    font-family: var(--flabel);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }


  /* meal chips (same style as diet-chip) */
  .meal-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 0 4px;
  }