/* =========================================================
   Michelle & Guillermo — 04.10.2026
   Red String Theory · blanco, negro, detalles rojos
   ========================================================= */

:root {
    --paper: #faf8f5;
    --paper-2: #f2ede7;
    --ink: #0c0c0c;
    --ink-2: #151515;
    --red: #c41e1e;
    --red-deep: #8e1414;

    --muted: rgba(12, 12, 12, 0.54);
    --line: rgba(12, 12, 12, 0.13);
    --muted-inv: rgba(250, 248, 245, 0.56);
    --line-inv: rgba(250, 248, 245, 0.16);

    --serif: "Cormorant Garamond", "Times New Roman", serif;
    --sans: "Jost", "Helvetica Neue", Arial, sans-serif;

    --gutter: clamp(1.5rem, 5vw, 6rem);
    --thread-inset: 20px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    position: relative;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    /* Sin esto, los atributos height="" del HTML deforman las imágenes
       en cuanto el CSS cambia el ancho. */
    height: auto;
    display: block;
}

h1,
h2,
h3 {
    font-family: var(--serif);
    font-weight: 300;
    margin: 0;
    line-height: 1.05;
    letter-spacing: -0.015em;
}

p {
    margin: 0;
}

a {
    color: inherit;
}

/* ---------- Grano de papel sobre toda la página ---------- */
.grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: url("../img/papel.webp") center / cover no-repeat;
    mix-blend-mode: multiply;
    opacity: 0.5;
}

/* ---------- El hilo rojo ---------- */
/* El contenedor se ancla a la caja del body (inset:0) y recorta lo que sobre,
   así el SVG nunca puede estirar el alto del documento. */
.thread-wrap {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 4;
    pointer-events: none;
}

.thread {
    position: absolute;
    top: 0;
    left: 0;
    overflow: visible;
}

.thread path {
    fill: none;
    stroke: var(--red);
    stroke-width: 1.4;
    stroke-linecap: round;
}

.thread .bead {
    fill: var(--red);
}

/* ---------- Navegación ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem var(--gutter);
    background: rgba(250, 248, 245, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transform: translateY(-110%);
    transition: transform 0.6s var(--ease), border-color 0.6s;
}

.nav.is-shown {
    transform: none;
    border-bottom-color: var(--line);
}

.nav__mark {
    font-family: var(--serif);
    font-size: 1.15rem;
    letter-spacing: 0.16em;
    text-decoration: none;
}

.nav__mark em {
    color: var(--red);
    font-style: normal;
}

.nav__links {
    display: none;
    gap: 2rem;
}

.nav__links a {
    font-size: 0.66rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--muted);
    transition: color 0.3s;
}

.nav__links a:hover {
    color: var(--red);
}

@media (min-width: 900px) {
    .nav__links {
        display: flex;
    }
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.9rem;
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    /* z-index:0 crea contexto de apilado propio: sin esto el relleno rojo del
       ::after se iría detrás del fondo de la barra y no se vería al pasar el ratón. */
    z-index: 0;
    transition: color 0.45s var(--ease), border-color 0.45s;
}

.btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--red);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.45s var(--ease);
    z-index: -1;
}

.btn:hover {
    color: var(--paper);
    border-color: var(--red);
}

.btn:hover::after {
    transform: scaleY(1);
}

.btn--sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.6rem;
}

.btn--solid {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.btn--solid:hover {
    border-color: var(--red);
}

.btn[disabled] {
    opacity: 0.45;
    pointer-events: none;
}

/* ---------- Layout de secciones ---------- */
.band {
    position: relative;
    z-index: 2;
    padding: clamp(6rem, 15vh, 11rem) var(--gutter) clamp(6rem, 15vh, 11rem)
        calc(var(--gutter) + 28px);
}

@media (min-width: 900px) {
    .band {
        padding-left: var(--gutter);
        padding-right: var(--gutter);
    }
}

.band--dark {
    background: var(--ink);
    color: var(--paper);
    isolation: isolate;
}

.band--dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../img/piedra.webp") center / cover no-repeat;
    opacity: 0.55;
    z-index: -1;
}

.band--dark .overline,
.band--dark .lede {
    color: var(--muted-inv);
}

.band--dark .rule {
    background: var(--line-inv);
}

.wrap {
    max-width: 60rem;
    margin: 0 auto;
}

.wrap--narrow {
    max-width: 40rem;
}

.center {
    text-align: center;
}

/* ---------- Tipografía compartida ---------- */
.overline {
    font-size: 0.66rem;
    font-weight: 400;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 1.6rem;
}

.overline--red {
    color: var(--red);
}

.title {
    font-size: clamp(2.1rem, 5.5vw, 3.6rem);
}

.title em {
    font-style: italic;
    color: var(--red);
}

.lede {
    font-size: clamp(1rem, 1.4vw, 1.1rem);
    color: var(--muted);
    max-width: 34rem;
}

.center .lede {
    margin-inline: auto;
}

.rule {
    width: 1px;
    height: clamp(3rem, 8vh, 5.5rem);
    background: var(--line);
    margin: 2.5rem auto;
}

.rule--red {
    background: var(--red);
    height: 3rem;
}

/* =========================================================
   Portada
   ========================================================= */
.hero {
    position: relative;
    z-index: 2;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 7rem var(--gutter) 5rem calc(var(--gutter) + 28px);
}

@media (min-width: 900px) {
    .hero {
        padding-left: var(--gutter);
        padding-right: var(--gutter);
    }
}

.hero__names {
    font-size: clamp(3.2rem, 12.5vw, 9.5rem);
    line-height: 0.94;
    letter-spacing: -0.03em;
}

.hero__amp {
    display: block;
    font-style: italic;
    color: var(--red);
    font-size: clamp(1.8rem, 5vw, 3.4rem);
    line-height: 1;
    margin: clamp(0.4rem, 1.5vw, 1rem) 0;
}

.hero__full {
    font-size: 0.66rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 2.4rem;
    line-height: 2.2;
}

.hero__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem 1.4rem;
    margin-top: 2rem;
    font-size: 0.74rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.hero__meta span:nth-child(2) {
    color: var(--red);
}

.hero__cue {
    position: absolute;
    bottom: 2.2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.58rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.hero__cue::after {
    content: "";
    width: 1px;
    height: 3rem;
    background: linear-gradient(var(--red), transparent);
    animation: cue 2.6s var(--ease) infinite;
}

@keyframes cue {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    45% {
        transform: scaleY(1);
        transform-origin: top;
    }
    55% {
        transform: scaleY(1);
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* =========================================================
   Banda del hilo
   ========================================================= */
.knot {
    padding-block: clamp(3rem, 8vh, 6rem);
}

/* Recorte con fondo transparente: se apoya sobre la textura de papel
   sin dejar el recuadro que dejaba la mezcla multiply. */
.knot__img {
    width: min(100%, 62rem);
    margin: 0 auto clamp(3rem, 8vh, 5rem);
    filter: drop-shadow(0 14px 22px rgba(12, 12, 12, 0.13));
}

.knot__quote {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 3.4vw, 2.5rem);
    line-height: 1.35;
    font-style: italic;
    max-width: 32rem;
    margin: 0 auto;
}

/* =========================================================
   Cuenta regresiva
   ========================================================= */
.count {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(1.5rem, 6vw, 4.5rem);
    margin-top: 3.5rem;
}

.count__cell {
    min-width: 4.5rem;
}

.count__num {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 8vw, 5rem);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.count__lbl {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted-inv);
    margin-top: 0.9rem;
}

/* =========================================================
   Detalles
   ========================================================= */
.facts {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin-top: 4rem;
}

@media (min-width: 760px) {
    .facts {
        grid-template-columns: repeat(3, 1fr);
    }
}

.fact {
    background: var(--paper);
    padding: clamp(2rem, 4vw, 3rem) 1.5rem;
    text-align: center;
}

.fact__k {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
}

.fact__v {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    line-height: 1.2;
    margin-top: 1rem;
}

.fact__sub {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.6rem;
}

.pending {
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--red);
    border: 1px dashed currentColor;
    border-radius: 100px;
    padding: 0.3rem 0.85rem;
    line-height: 1;
    vertical-align: middle;
}

/* =========================================================
   Galería
   ========================================================= */
.shots {
    display: grid;
    gap: clamp(1rem, 2.5vw, 1.75rem);
    margin-top: 3.5rem;
}

@media (min-width: 760px) {
    .shots {
        grid-template-columns: repeat(3, 1fr);
    }

    .shots figure:nth-child(2) {
        margin-top: clamp(1.5rem, 5vw, 3.5rem);
    }
}

.shots figure {
    margin: 0;
    aspect-ratio: 3 / 4;
    background: var(--paper-2);
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.shots figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.shots figcaption {
    font-size: 0.6rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
}

/* =========================================================
   Código de vestimenta
   ========================================================= */
.dress {
    max-width: 34rem;
    margin-inline: auto;
}

/* =========================================================
   Notas
   ========================================================= */
.notes {
    display: grid;
    gap: 1px;
    background: var(--line);
    border-block: 1px solid var(--line);
    margin-top: 3.5rem;
}

@media (min-width: 760px) {
    .notes {
        grid-template-columns: repeat(2, 1fr);
    }
}

.note {
    background: var(--paper);
    padding: clamp(2rem, 4vw, 2.75rem);
    display: flex;
    gap: 1.5rem;
}

.note__n {
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--red);
    line-height: 1;
    flex: none;
}

.note h3 {
    font-size: 1.35rem;
    margin-bottom: 0.7rem;
}

.note p {
    font-size: 0.92rem;
    color: var(--muted);
}

/* =========================================================
   RSVP
   ========================================================= */
.form {
    margin-top: 3.5rem;
    display: grid;
    gap: 2.25rem;
}

.field {
    position: relative;
}

.field > label,
.legend {
    display: block;
    font-size: 0.6rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.8rem;
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea,
.field select {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 0;
    font-family: var(--serif);
    font-size: 1.3rem;
    color: var(--ink);
    border-radius: 0;
    transition: border-color 0.35s;
    -webkit-appearance: none;
    appearance: none;
}

.field textarea {
    resize: vertical;
    min-height: 4.5rem;
    line-height: 1.5;
}

.field select {
    cursor: pointer;
    padding-right: 1.75rem;
    /* Flecha propia: al quitar la apariencia nativa el campo se quedaba sin pista visual. */
    background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23c41e1e' stroke-width='1.2'/%3E%3C/svg%3E")
        right 0.25rem center / 12px 8px no-repeat;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-bottom-color: var(--red);
}

.field input::placeholder,
.field textarea::placeholder {
    color: rgba(12, 12, 12, 0.28);
}

.grid-2 {
    display: grid;
    gap: 2.25rem;
}

@media (min-width: 700px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* Opciones sí / no */
.choices {
    display: grid;
    gap: 1rem;
}

@media (min-width: 520px) {
    .choices {
        grid-template-columns: 1fr 1fr;
    }
}

.choice input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice span {
    display: block;
    text-align: center;
    padding: 1.1rem 1rem;
    border: 1px solid var(--line);
    font-family: var(--serif);
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.35s var(--ease);
}

.choice span:hover {
    border-color: var(--ink);
}

.choice input:checked + span {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}

.choice input:focus-visible + span {
    outline: 2px solid var(--red);
    outline-offset: 3px;
}

/* Bloque condicional de acompañantes */
.conditional {
    display: grid;
    gap: 2.25rem;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.65s var(--ease), opacity 0.45s, margin 0.65s var(--ease);
    margin-top: -2.25rem;
}

.conditional.is-open {
    max-height: 60rem;
    opacity: 1;
    margin-top: 0;
}

.hp {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.error {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--red);
    margin-top: 0.55rem;
    min-height: 1rem;
}

.form__foot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1rem;
}

.form__note {
    font-size: 0.74rem;
    color: var(--muted);
    text-align: center;
}

/* Confirmación con sello de cera */
.done {
    display: none;
    text-align: center;
    padding-block: clamp(2rem, 6vh, 4rem);
}

.done.is-shown {
    display: block;
}

.done__seal {
    width: clamp(9rem, 22vw, 12.5rem);
    margin: 0 auto 2.5rem;
    filter: drop-shadow(0 10px 18px rgba(142, 20, 20, 0.28));
    animation: stamp 0.85s var(--ease) both;
}

@keyframes stamp {
    0% {
        opacity: 0;
        transform: scale(1.5) rotate(-14deg);
    }
    60% {
        opacity: 1;
        transform: scale(0.95) rotate(2deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

/* =========================================================
   Pie
   ========================================================= */
.foot {
    position: relative;
    z-index: 2;
    background: var(--ink);
    color: var(--paper);
    text-align: center;
    padding: clamp(4rem, 10vh, 7rem) var(--gutter);
}

.foot__mark {
    font-family: var(--serif);
    font-size: clamp(2rem, 6vw, 3rem);
    letter-spacing: 0.1em;
}

.foot__mark em {
    color: var(--red);
    font-style: italic;
}

.foot__date {
    font-size: 0.64rem;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--muted-inv);
    margin-top: 1.5rem;
}

/* =========================================================
   Animaciones de scroll
   ========================================================= */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    filter: blur(6px);
    transition: opacity 1.1s var(--ease), transform 1.1s var(--ease),
        filter 1.1s var(--ease);
    transition-delay: var(--d, 0ms);
}

[data-reveal].is-in {
    opacity: 1;
    transform: none;
    filter: none;
}

.word {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.5em);
    transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
    transition-delay: var(--d, 0ms);
}

.is-in .word,
.word.is-in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    [data-reveal],
    .word {
        opacity: 1;
        transform: none;
        filter: none;
    }
}