:root {
      --cream: #f7f1e7;
      --paper: #fbf8f2;
      --sand: #e8dccb;
      --sand-dark: #cdbba3;
      --terracotta: #b96f50;
      --terracotta-dark: #8f513c;
      --sage: #7c8970;
      --olive: #596451;
      --brown: #46372f;
      --muted: #776b61;
      --white: #fffdf9;
      --line: rgba(70, 55, 47, .16);
      --shadow: 0 24px 70px rgba(70, 55, 47, .12);
    }

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

    html { overflow-x: hidden; }

    body {
      background: var(--cream);
      color: var(--brown);
      font-family: 'Plus Jakarta Sans', sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .22;
      z-index: 50;
      background-image: radial-gradient(rgba(70,55,47,.13) .55px, transparent .55px);
      background-size: 5px 5px;
      mix-blend-mode: multiply;
    }

    h1, h2, h3 {
      font-family: 'Cormorant Garamond', serif;
      font-weight: 600;
      line-height: 1.05;
    }

    a { color: inherit; }

    /* Botones */
    .btn-floating-back {
      position: fixed;
      top: 18px;
      left: 18px;
      z-index: 100;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 16px;
      border: 1px solid rgba(255,255,255,.5);
      border-radius: 999px;
      background: rgba(255,255,255,.76);
      color: var(--brown);
      text-decoration: none;
      font-size: .78rem;
      font-weight: 500;
      box-shadow: 0 8px 25px rgba(0,0,0,.12);
      backdrop-filter: blur(12px);
      transition: .3s ease;
    }

    .btn-floating-back:hover {
      transform: translateY(-2px);
      background: white;
    }

    /* Decoración botánica */
    .botanical {
      position: absolute;
      width: 190px;
      height: 190px;
      opacity: .6;
      pointer-events: none;
      z-index: 1;
    }

    .botanical::before,
    .botanical::after {
      content: "";
      position: absolute;
      width: 105px;
      height: 42px;
      border: 1.5px solid currentColor;
      border-radius: 100% 0 100% 0;
      transform: rotate(-30deg);
    }

    .botanical::after {
      width: 78px;
      height: 30px;
      transform: translate(42px, 55px) rotate(28deg);
    }

    .botanical span,
    .botanical i {
      position: absolute;
      display: block;
      width: 62px;
      height: 25px;
      border: 1px solid currentColor;
      border-radius: 100% 0 100% 0;
      font-style: normal;
    }

    .botanical span { left: 30px; top: 85px; transform: rotate(-55deg); }
    .botanical i { left: 82px; top: 30px; transform: rotate(8deg); }

    .botanical.tl { top: 0; left: -35px; color: #ddd0bc; transform: rotate(-12deg); }
    .botanical.br { right: -45px; bottom: -35px; color: #c8b89e; transform: rotate(165deg); }

    /* Hero */
    .hero-invitacion {
      position: relative;
      min-height: 100svh;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 80px 22px 100px;
      isolation: isolate;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(180deg, rgba(46,35,29,.32), rgba(46,35,29,.58)),
        url('portada.png') center / cover no-repeat;
      /* La portada conserva cover en todos los tamaños. */
    }

    .hero-invitacion::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, transparent 65%, rgba(247,241,231,.35));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 3;
      width: min(850px, 100%);
      padding: 50px 24px;
      animation: fadeUp 1.2s .15s both;
    }

    .hero-frame {
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255,255,255,.48);
      border-radius: 180px 180px 18px 18px;
      pointer-events: none;
    }

    .hero-kicker {
      display: inline-block;
      margin-bottom: 20px;
      font-size: .76rem;
      letter-spacing: 5px;
      text-transform: uppercase;
      font-weight: 400;
    }

    .hero-invitacion h1 {
      font-size: clamp(4rem, 13vw, 7.6rem);
      font-style: italic;
      letter-spacing: -2px;
      text-shadow: 0 8px 30px rgba(0,0,0,.22);
    }

    .hero-date {
      margin-top: 18px;
      font-size: clamp(1rem, 3vw, 1.3rem);
      letter-spacing: 4px;
      text-transform: uppercase;
    }

    .hero-ornament {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin: 25px auto 0;
      width: min(230px, 70%);
    }

    .hero-ornament::before,
    .hero-ornament::after {
      content: "";
      height: 1px;
      flex: 1;
      background: rgba(255,255,255,.7);
    }

    .hero-ornament span {
      font-size: 1.2rem;
      transform: rotate(45deg);
    }

    .scroll-hint {
      position: absolute;
      z-index: 3;
      bottom: 28px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 7px;
      font-size: .66rem;
      letter-spacing: 2px;
      text-transform: uppercase;
      animation: float 2.4s ease-in-out infinite;
    }

    .scroll-hint::after {
      content: "";
      width: 1px;
      height: 38px;
      background: rgba(255,255,255,.7);
    }

    /* Secciones */
    section {
      position: relative;
      width: min(100%, 1050px);
      margin: 0 auto;
      padding: 100px 24px;
      text-align: center;
      overflow: hidden;
    }

    .section-eyebrow {
      color: var(--terracotta);
      font-size: .7rem;
      letter-spacing: 4px;
      text-transform: uppercase;
      margin-bottom: 12px;
      font-weight: 500;
    }

    .section-title {
      font-size: clamp(2.7rem, 7vw, 4rem);
      color: var(--brown);
      margin-bottom: 15px;
    }

    .divider {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 190px;
      margin: 0 auto 30px;
    }

    .divider::before,
    .divider::after {
      content: "";
      height: 1px;
      width: 65px;
      background: var(--sand-dark);
    }

    .divider span {
      color: var(--terracotta);
      font-size: .95rem;
      transform: rotate(45deg);
    }

    .intro-text {
      max-width: 650px;
      margin: 0 auto;
      color: var(--muted);
      font-weight: 300;
      font-size: 1rem;
    }

    /* Countdown */
    .countdown-container {
      position: relative;
      width: 100%;
      padding: 85px 24px;
      text-align: center;
      background:
        radial-gradient(circle at 15% 20%, rgba(124,137,112,.15), transparent 30%),
        radial-gradient(circle at 85% 80%, rgba(185,111,80,.13), transparent 30%),
        var(--sand);
      overflow: hidden;
    }

    .countdown-container .section-title { font-size: clamp(2.3rem, 6vw, 3.3rem); }

    .countdown-boxes {
      display: grid;
      grid-template-columns: repeat(4, minmax(70px, 105px));
      justify-content: center;
      gap: 12px;
      margin-top: 35px;
    }

    .time-box {
      padding: 20px 8px 17px;
      background: rgba(255,253,249,.72);
      border: 1px solid rgba(70,55,47,.12);
      border-radius: 50% 50% 12px 12px;
      box-shadow: 0 12px 30px rgba(70,55,47,.08);
      backdrop-filter: blur(5px);
    }

    .time-box span {
      display: block;
      font: 600 clamp(2rem, 6vw, 2.7rem)/1 'Cormorant Garamond', serif;
      color: var(--terracotta);
    }

    .time-box label {
      display: block;
      margin-top: 6px;
      font-size: .62rem;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--muted);
    }

    /* Itinerario */
    .timeline {
      position: relative;
      max-width: 760px;
      margin: 55px auto 0;
    }

    .timeline::before {
      content: "";
      position: absolute;
      top: 25px;
      bottom: 25px;
      left: 50%;
      width: 1px;
      background: var(--sand-dark);
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 70px 1fr;
      align-items: center;
      min-height: 220px;
      text-align: left;
    }

    .timeline-item:nth-child(2) { direction: rtl; }
    .timeline-item:nth-child(2) > * { direction: ltr; }

    .timeline-content {
      padding: 28px;
      background: rgba(255,253,249,.7);
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: 0 16px 40px rgba(70,55,47,.07);
      transition: .35s ease;
    }

    .timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .timeline-content h3 {
      color: var(--terracotta);
      font-size: 2rem;
      margin-bottom: 12px;
    }

    .timeline-content p {
      color: var(--muted);
      font-size: .9rem;
      margin-bottom: 8px;
    }

    .timeline-dot {
      position: relative;
      z-index: 2;
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      margin: auto;
      border-radius: 50%;
      background: var(--cream);
      border: 1px solid var(--sand-dark);
      color: var(--terracotta);
      font-size: 1.1rem;
      transform: rotate(45deg);
    }

    .timeline-dot span { transform: rotate(-45deg); }

    .btn-ubicacion {
      display: inline-flex;
      margin-top: 12px;
      padding: 9px 20px;
      border: 1px solid var(--brown);
      border-radius: 999px;
      background: transparent;
      color: var(--brown);
      text-decoration: none;
      font-size: .78rem;
      transition: .3s ease;
    }

    .btn-ubicacion:hover {
      background: var(--brown);
      color: white;
      transform: translateY(-2px);
    }

    /* Mapa */
    .map-container {
      margin: 70px auto 0;
      height: 390px;
      overflow: hidden;
      border-radius: 20px;
      border: 7px solid var(--white);
      box-shadow: var(--shadow);
      transform: rotate(-.5deg);
    }

    .map-container iframe {
      width: 100%;
      height: 100%;
      border: 0;
    }

    /* RSVP */
    .rsvp-section {
      width: min(940px, calc(100% - 30px));
      margin: 60px auto;
      padding: 90px 20px;
      border: 1px solid var(--line);
      border-radius: 28px;
      background:
        radial-gradient(circle at 8% 15%, rgba(124,137,112,.12), transparent 25%),
        radial-gradient(circle at 92% 85%, rgba(185,111,80,.12), transparent 25%),
        var(--paper);
      box-shadow: var(--shadow);
    }

    .rsvp-card {
      max-width: 520px;
      margin: 38px auto 0;
      padding: 45px 30px;
      background: rgba(255,255,255,.7);
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: 0 16px 45px rgba(70,55,47,.08);
    }

    .rsvp-icon {
      width: 68px;
      height: 68px;
      display: grid;
      place-items: center;
      margin: 0 auto 20px;
      border-radius: 50%;
      background: var(--sand);
      font-size: 1.8rem;
    }

    .rsvp-card h3 {
      font-size: 2.2rem;
      margin-bottom: 12px;
    }

    .rsvp-card p {
      color: var(--muted);
      font-size: .9rem;
      font-weight: 300;
    }

    .btn-whatsapp {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 11px;
      width: 100%;
      max-width: 330px;
      margin-top: 28px;
      padding: 14px 24px;
      border-radius: 999px;
      background: var(--olive);
      color: white;
      text-decoration: none;
      font-size: .85rem;
      font-weight: 500;
      box-shadow: 0 10px 25px rgba(89,100,81,.22);
      transition: .3s ease;
    }

    .btn-whatsapp:hover {
      transform: translateY(-3px);
      background: var(--brown);
      box-shadow: 0 15px 32px rgba(70,55,47,.2);
    }

    .btn-whatsapp svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    footer {
      position: relative;
      padding: 45px 20px;
      text-align: center;
      background: var(--brown);
      color: var(--cream);
      font-size: .78rem;
      letter-spacing: .3px;
    }

    footer a {
      color: #e2c59d;
      text-decoration: none;
    }

    /* Animaciones */
    .reveal.will-reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity .8s ease, transform .8s ease;
    }

    .reveal.will-reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @keyframes heroZoom {
      from { background-size: 108%; }
      to { background-size: 100%; }
    }

    @keyframes float {
      0%,100% { transform: translate(-50%, 0); }
      50% { transform: translate(-50%, -7px); }
    }

    /* Ajustes para celulares y pantallas verticales pequeñas. */
    @media (max-width: 768px) {
      .btn-floating-back {
        top: 14px;
        left: 14px;
        min-height: 44px;
        padding: 9px 14px;
        font-size: .75rem;
      }

      .hero-invitacion {
        min-height: 100svh;
        padding: 90px 20px 100px;
        /* Los porcentajes de heroZoom reemplazan cover y encogen la foto. */
        animation: none;
        background-size: cover;
      }
      .hero-inner { min-width: 0; padding: 30px 0; }
      .hero-frame {
        inset: 14px;
        border-radius: 120px 120px 14px 14px;
      }
      .hero-invitacion h1 {
        font-size: clamp(2.5rem, 12vw, 5.5rem);
        letter-spacing: -1px;
        line-height: 1.08;
        text-wrap: balance;
      }
      .hero-kicker { font-size: .75rem; letter-spacing: 3px; }
      .hero-date { font-size: .85rem; letter-spacing: 2px; }

      section { padding: 60px 18px; }
      .section-eyebrow { letter-spacing: 2px; }
      .section-title,
      .countdown-container .section-title {
        font-size: clamp(2rem, 8.5vw, 3rem);
        text-wrap: balance;
      }
      .intro-text { font-size: .95rem; }
      .botanical { width: 125px; height: 125px; opacity: .4; }

      .countdown-container { padding: 60px 16px; }
      .countdown-boxes {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
        max-width: 440px;
        margin: 28px auto 0;
      }
      .time-box { min-width: 0; padding: 18px 3px 14px; }
      .time-box span { font-size: clamp(1.8rem, 7vw, 2.5rem); }
      .time-box label { font-size: .6rem; letter-spacing: .3px; }

      .timeline { margin-top: 32px; }
      .timeline::before { left: 20px; }
      .timeline-item,
      .timeline-item:nth-child(2) {
        direction: ltr;
        grid-template-columns: 40px minmax(0, 1fr);
        gap: 10px;
        align-items: start;
        min-height: 0;
        margin-bottom: 22px;
      }
      /* El separador vacío solo es necesario en el itinerario de escritorio. */
      .timeline-item > div:first-child { display: none; }
      .timeline-dot { width: 40px; height: 40px; margin: 18px 0 0; }
      .timeline-content { min-width: 0; padding: 22px 16px; overflow-wrap: break-word; }
      .timeline-content h3 { font-size: clamp(1.5rem, 6vw, 1.9rem); line-height: 1.12; }
      .btn-ubicacion { min-height: 44px; align-items: center; padding: 10px 16px; }

      .map-container {
        height: 280px;
        margin-top: 32px;
        border-width: 4px;
        transform: none;
      }
      .rsvp-section {
        width: calc(100% - 24px);
        margin: 24px auto;
        padding: 50px 16px;
        border-radius: 22px;
      }
      .rsvp-card { min-width: 0; width: 100%; padding: 28px 16px; margin-top: 28px; }
      .rsvp-card h3 { font-size: 2rem; }
      .btn-whatsapp { min-height: 48px; gap: 8px; padding: 14px 12px; }
      .btn-whatsapp svg { flex-shrink: 0; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }
    }

/* Confirmación de ejemplo y accesibilidad. */
.rsvp-form { margin-top: 24px; text-align: left; }
.rsvp-form label { display: block; margin: 16px 0 7px; font-size: .8rem; color: var(--brown); }
.rsvp-form input, .rsvp-form select { width: 100%; min-height: 48px; border: 1px solid var(--sand-dark); border-radius: 8px; background: var(--white); color: var(--brown); padding: 12px; font: inherit; font-size: .9rem; }
.rsvp-form .btn-whatsapp { border: 0; cursor: pointer; font-family: inherit; max-width: none; }
.rsvp-card .demo-note { font-size: .72rem; margin-top: 15px; }
.rsvp-result { margin-top: 20px; padding: 18px; border: 1px solid var(--sand-dark); border-radius: 8px; background: var(--cream); text-align: left; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .85rem; }
.countdown-message { grid-column: 1 / -1; font: 600 2rem 'Cormorant Garamond', serif; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--terracotta); outline-offset: 4px; }
.scroll-hint { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

/* Carta, regalos y detalles interactivos: mismos tonos y materiales de la boda. */
.love-letter { position: relative; max-width: 510px; margin: 42px auto 0; background: var(--paper); border: 1px solid var(--sand-dark); border-radius: 10px; box-shadow: 0 15px 40px #46372f0d; }
.love-letter summary { list-style: none; cursor: pointer; padding: 30px 20px 26px; background: linear-gradient(150deg,transparent 49%,#cdbba333 50%,transparent 51%) left top/50% 100% no-repeat,linear-gradient(210deg,transparent 49%,#cdbba333 50%,transparent 51%) right top/50% 100% no-repeat; }
.love-letter summary::-webkit-details-marker,.gift-option summary::-webkit-details-marker { display: none; }
.letter-kicker { display: block; font-size: .58rem; letter-spacing: 2px; color: var(--muted); margin-bottom: 20px; }
.letter-seal { display: grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; margin: 0 auto 20px; background: var(--terracotta); border: 4px double #efd5b8; color: var(--white); font: italic 1.5rem 'Cormorant Garamond',serif; box-shadow: 0 5px 15px #8f513c33; transition: transform .35s; }
.love-letter summary:hover .letter-seal { transform: rotate(-9deg) scale(1.05); }
.love-letter[open] .letter-seal { transform: rotate(10deg); background: var(--olive); }
.letter-action { font-size: .72rem; color: var(--terracotta-dark); }
.letter-action>span { display: inline-block; margin-left: 8px; }
.letter-message { border-top: 1px solid var(--line); margin: 0 22px 22px; padding: 26px 14px 10px; animation: noteIn .45s ease-out; }
.letter-message>p:first-child { font: 500 1.8rem/1.25 'Cormorant Garamond',serif; color: var(--brown); margin-bottom: 18px; }
.letter-message em { color: var(--terracotta); }
.letter-message>p:nth-child(2) { font-size: .85rem; color: var(--muted); }
.letter-message>span { display: block; margin-top: 20px; color: var(--terracotta); font: italic 1.6rem 'Cormorant Garamond',serif; }
.letter-petal { pointer-events: none; position: absolute; z-index: 3; top: 110px; left: calc(50% - 8px); color: var(--terracotta); font-size: 20px; opacity: 0; animation: petalFloat 1.1s ease-out forwards; }
.interaction-note { font-size: .72rem; line-height: 1.7; color: var(--muted); margin-top: 22px; }
.calendar-button { font-family: inherit; cursor: pointer; margin-top: 30px; }
.gift-section { border-top: 1px solid var(--line); background: radial-gradient(ellipse at 20% 80%,#e8dccb88,transparent 65%); }
.gift-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; max-width: 820px; margin: 40px auto 0; text-align: center; align-items: start; }
.gift-option { min-width: 0; border: 1px solid var(--sand-dark); border-radius: 120px 120px 14px 14px; background: var(--paper); box-shadow: 0 14px 35px #46372f0a; overflow: hidden; transition: border-color .2s,box-shadow .2s; }
.gift-option:hover,.gift-option[open] { border-color: var(--terracotta); box-shadow: 0 18px 40px #46372f12; }
.gift-option summary { padding: 40px 28px 25px; list-style: none; cursor: pointer; }
.gift-icon { display: grid; place-items: center; width: 80px; height: 80px; margin: 0 auto 23px; border: 1px solid var(--sand-dark); border-radius: 50%; color: var(--olive); font: 44px 'Cormorant Garamond',serif; background: var(--cream); }
.envelope-icon { color: var(--terracotta); }
.gift-heading { display: block; font: 600 2rem/1.1 'Cormorant Garamond',serif; color: var(--brown); }
.gift-subtitle { display: block; font-size: .76rem; color: var(--muted); margin-top: 14px; min-height: 42px; }
.gift-action { display: flex; justify-content: center; gap: 18px; align-items: center; font-size: .72rem; color: var(--terracotta-dark); padding-top: 20px; margin-top: 23px; border-top: 1px solid var(--line); }
.gift-action b { font-size: 20px; font-weight: 300; transition: transform .2s; }
.gift-option[open] .gift-action b { transform: rotate(45deg); }
.gift-content { padding: 0 28px 28px; animation: noteIn .4s ease-out; }
.gift-content>p { color: var(--muted); font-size: .82rem; }
.gift-content .interaction-note { font-size: .7rem; margin-top: 16px; }
.gift-content .gift-thanks { font: italic 1.3rem/1.3 'Cormorant Garamond',serif; color: var(--olive); margin-top: 18px; }
.gift-footer { font-size: .85rem; color: var(--muted); margin-top: 32px; }
.gift-footer em { color: var(--terracotta-dark); }
@keyframes noteIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes petalFloat { 0% { opacity: 0; transform: translate(0,0) scale(.7); } 15% { opacity: .8; } 100% { opacity: 0; transform: translate(var(--drift),-100px) rotate(20deg) scale(1.1); } }
@media(max-width:768px) { .love-letter { margin-top: 30px; } .letter-message { margin-inline: 14px; padding-inline: 8px; } .letter-message>p:first-child { font-size: 1.65rem; } .gift-grid { grid-template-columns: 1fr; gap: 22px; max-width: 400px; margin-top: 30px; } .gift-option summary { padding: 30px 24px 23px; } .gift-icon { width: 67px; height: 67px; font-size: 37px; margin-bottom: 18px; } .gift-subtitle { min-height: 0; } .gift-footer { font-size: .78rem; } }
@media(prefers-reduced-motion:reduce) { .letter-message,.gift-content,.letter-petal { animation: none !important; } .letter-petal { display: none; } }