/* ── Variables ───────────────────────────────────────────────────────────── */
:root {
    --sage:          #3fa8bc;
    --sage-light:    #ddf1f5;
    --sage-mid:      #8ed4e0;
    --white:         #ffffff;
    --off-white:     #f7f5f1;
    --ink:           #2c2c2c;
    --ink-muted:     #6b6b6b;
    --rule:          #e2deda;
    --shadow:        0 1px 3px rgba(0,0,0,0.06), 0 8px 32px rgba(0,0,0,0.07);

    --font-display:  'Cormorant Garamond', Georgia, serif;
    --font-body:     'Inter', system-ui, sans-serif;

    --sheet-max:     760px;
    --sheet-pad:     4rem;
    --nav-h:         52px;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
ol { list-style: none; }
a { color: inherit; }

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--ink);
    background: var(--off-white);
}

.hidden { display: none !important; }

/* ── Password Screen ─────────────────────────────────────────────────────── */
#password-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--off-white);
}

.invite-card {
    background: var(--white);
    width: 100%;
    max-width: 400px;
    padding: 3.5rem 3rem;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 2px solid var(--sage);
}

.card-eyebrow {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 1.25rem;
}

.card-names {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 2.5rem;
    letter-spacing: 0.04em;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 1.5rem;
}

.card-rule {
    height: 1px;
    background: var(--sage-light);
    margin: 0 auto 1.5rem;
    width: 48px;
}
.card-rule--bottom { margin-bottom: 2rem; }

.card-subtitle {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-muted);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.card-date {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 1.5rem;
}

.card-label {
    display: block;
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.75rem;
}

#surname-input {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--rule);
    padding: 0.6rem 0;
    text-align: left;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--ink);
    background: transparent;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 1.5rem;
}
#surname-input:focus { border-bottom-color: var(--sage); }

#pwd-input {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--rule);
    padding: 0.6rem 0;
    text-align: center;
    font-family: var(--font-body);
    font-size: 1.25rem;
    letter-spacing: 0.4em;
    color: var(--ink);
    background: transparent;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 1.5rem;
}
#pwd-input:focus { border-bottom-color: var(--sage); }

#pwd-submit {
    background: transparent;
    border: 1px solid var(--sage);
    color: var(--sage);
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.7rem 2.25rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
#pwd-submit:hover { background: var(--sage); color: var(--white); }

#pwd-error {
    font-style: italic;
    font-size: 0.8125rem;
    color: #b5563b;
    margin-top: 0.875rem;
    min-height: 1.2em;
}

/* ── Personal Message Card ───────────────────────────────────────────────── */
#personal-message {
    max-width: var(--sheet-max);
    margin: 0 auto;
    background: var(--white);
    box-shadow: var(--shadow);
    border-bottom: none;
}

.pm-inner {
    display: grid;
    grid-template-columns: 280px 1fr;
}

.pm-inner--no-photo {
    grid-template-columns: 1fr;
}

.pm-photo {
    width: 100%;
    height: 100%;
    min-height: 260px;
    object-fit: cover;
    display: block;
}

.pm-text {
    padding: 2.5rem 2.5rem 2.5rem 2rem;
    background: var(--sage-light);
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--ink);
}

.pm-inner--no-photo .pm-text {
    padding: 2rem var(--sheet-pad);
    text-align: center;
    justify-content: center;
    color: var(--sage);
}

@media (max-width: 640px) {
    .pm-inner {
        grid-template-columns: 1fr;
    }
    .pm-photo {
        min-height: 200px;
        max-height: 260px;
    }
    .pm-text {
        padding: 1.5rem;
    }
}

/* ── Navigation ──────────────────────────────────────────────────────────── */
#main-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--rule);
}

.nav-inner {
    max-width: calc(var(--sheet-max) + 2 * var(--sheet-pad));
    margin: 0 auto;
    height: var(--nav-h);
    padding: 0 var(--sheet-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-brand {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.125rem;
    letter-spacing: 0.04em;
    color: var(--ink);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.nav-links a {
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.nav-active { color: var(--sage); }

.nav-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--ink-muted);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

/* Mobile nav dropdown */
#main-nav.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--rule);
    padding: 1rem 1.5rem;
}
#main-nav.nav-open .nav-links a {
    padding: 0.5rem 0;
    font-size: 0.8125rem;
}

/* ── Sheet / Document ────────────────────────────────────────────────────── */
#sheet {
    max-width: var(--sheet-max);
    margin: 0 auto;
    background: var(--white);
    box-shadow: var(--shadow);
}

footer {
    max-width: var(--sheet-max);
    margin: 0 auto 3rem;
    background: var(--white);
    box-shadow: var(--shadow);
    text-align: center;
    padding: 2.5rem var(--sheet-pad);
    border-top: 1px solid var(--rule);
}
.footer-names {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.06em;
    color: var(--ink);
    margin-bottom: 0.25rem;
}
.footer-date {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

/* ── Section Base ────────────────────────────────────────────────────────── */
.section {
    padding: 3.5rem var(--sheet-pad);
}
.section--last {
    padding-bottom: 4rem;
}

.rule {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 0 var(--sheet-pad);
}

.section h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 2.5rem;
    letter-spacing: 0.02em;
    color: var(--ink);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rule);
}

.section h3 {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 0.625rem;
}

.section h4 {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.375rem;
}

/* ── Hero / Welcome ──────────────────────────────────────────────────────── */
.section--hero {
    padding-top: 0;
    padding-left: 0;
    padding-right: 0;
}

.photo-strip {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    height: 210px;
}
.photo-strip img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-text {
    text-align: center;
    padding: 3rem var(--sheet-pad) 0;
}

.eyebrow {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 1.25rem;
}

.hero-names {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 3.75rem;
    letter-spacing: 0.04em;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 1rem;
}

.hero-invite {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.0625rem;
    color: var(--ink-muted);
    margin-bottom: 1.25rem;
}

.hero-meta {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sage);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.meta-sep { color: var(--sage-mid); }

/* ── Section Photo ───────────────────────────────────────────────────────── */
.section-photo {
    margin-bottom: 1.75rem;
}
.section-photo--mt { margin-top: 2rem; margin-bottom: 0; }
.section-photo--tall img { height: 420px; }
.section-photo--mb { margin-bottom: 2rem; }
.section-photo img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.photo-carpark {
    object-position: center 35%;
}

/* ── Prose ───────────────────────────────────────────────────────────────── */
.prose p {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--ink);
    margin-bottom: 1rem;
}
.prose p:last-child { margin-bottom: 0; }
.prose--mt { margin-top: 1.75rem; }

.story-block {
    display: grid;
    grid-template-columns: 1fr 210px;
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

.story-block--reverse {
    grid-template-columns: 210px 1fr;
}

.story-portrait {
    flex-shrink: 0;
}

.story-portrait img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    display: block;
}

@media (max-width: 640px) {
    .story-block,
    .story-block--reverse {
        grid-template-columns: 1fr;
    }
    .story-block--reverse .story-portrait {
        order: -1;
    }
    .story-portrait img {
        aspect-ratio: 4 / 3;
    }
}

/* ── Proposal Video ──────────────────────────────────────────────────────── */
.proposal-video {
    margin-top: 2.5rem;
    text-align: center;
}

.proposal-label {
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 1.25rem;
}

/* iPhone frame */
.iphone-frame {
    display: inline-block;
    width: 230px;
    background: #1c1c1e;
    border-radius: 48px;
    padding: 12px;
    box-shadow:
        0 0 0 1px #000,
        inset 0 0 0 1.5px #3a3a3a,
        0 32px 64px rgba(0,0,0,0.22);
    position: relative;
}

/* Dynamic Island */
.iphone-frame::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 72px;
    height: 22px;
    background: #000;
    border-radius: 11px;
    z-index: 10;
}

/* Power button */
.iphone-frame::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 30%;
    width: 3px;
    height: 52px;
    background: #2e2e2e;
    border-radius: 0 2px 2px 0;
}

.iphone-screen {
    border-radius: 38px;
    overflow: hidden;
    aspect-ratio: 9 / 19.5;
    background: #000;
    position: relative;
}

.iphone-screen video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ── When & Where ────────────────────────────────────────────────────────── */
.details-with-ring {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 2.5rem;
    align-items: center;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.detail-block {
    padding-left: 1rem;
    border-left: 2px solid var(--sage-light);
}

.detail-primary {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--ink);
    margin-bottom: 0.25rem;
}

.detail-secondary {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.6;
}

.ring-portrait img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center top;
    display: block;
}

@media (max-width: 640px) {
    .details-with-ring {
        grid-template-columns: 1fr;
    }
    .ring-portrait {
        max-width: 180px;
    }
}

/* ── Timeline ────────────────────────────────────────────────────────────── */
.timeline { display: flex; flex-direction: column; }
.timeline-item {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 1.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule);
    align-items: start;
}
.timeline-item:last-child { border-bottom: none; }
.tl-time {
    font-size: 0.8125rem;
    letter-spacing: 0.06em;
    color: var(--sage);
    padding-top: 0.15rem;
    white-space: nowrap;
}
.tl-body strong {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.25rem;
    color: var(--ink);
}
.tl-body p {
    font-size: 0.875rem;
    color: var(--ink-muted);
}

/* ── Travel ──────────────────────────────────────────────────────────────── */
.subsection { margin-bottom: 2rem; }
.venue-address {
    font-family: var(--font-display);
    font-size: 1rem;
    line-height: 1.7;
    padding-left: 1rem;
    border-left: 2px solid var(--sage-light);
}
.text-muted { color: var(--ink-muted); }

.venue-map {
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--rule);
}
.venue-map iframe { display: block; }

.travel-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}
.travel-block h4 {
    margin-bottom: 0.5rem;
}
.travel-block p {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.65;
}

/* ── Hotels ──────────────────────────────────────────────────────────────── */
.hotel-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--rule);
    margin-bottom: 1rem;
}
.hotel {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--rule);
}
.hotel:last-child { border-bottom: none; }
.hotel--featured {
    background: var(--sage-light);
}
.hotel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.375rem;
}
.hotel-name {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 400;
    color: var(--ink);
}
.hotel-badge {
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: var(--sage);
    color: var(--white);
    padding: 0.15rem 0.5rem;
}
.hotel p {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.6;
}
.hotel-meta {
    color: var(--sage) !important;
    margin-top: 0.25rem;
}
.booking-note {
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--ink-muted);
    margin-bottom: 2.5rem;
}

.local-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}
.local-grid p {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.7;
}

/* ── Gifts ───────────────────────────────────────────────────────────────── */
.gifts-intro {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.0625rem;
    color: var(--ink-muted);
    margin-bottom: 1.75rem;
    line-height: 1.8;
}
.gifts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.gift-option {
    padding: 1.25rem;
    border: 1px solid var(--rule);
}
.gift-option strong {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.5rem;
    color: var(--ink);
}
.gift-option p {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.65;
}
.gifts-note {
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--ink-muted);
}

/* ── Bank Details ────────────────────────────────────────────────────────── */
.bank-details {
    margin: 1.75rem 0 1.25rem;
}
.bank-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 0.75rem;
}
.bank-block {
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--rule);
    background: var(--off-white);
}
.bank-name {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--rule);
}
.bank-block p {
    font-size: 0.875rem;
    color: var(--ink-muted);
    line-height: 1.8;
}
.bank-label {
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sage);
    display: inline-block;
    width: 8.5rem;
}

/* ── Wedding Party ───────────────────────────────────────────────────────── */
.party-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.party-member {
    text-align: center;
    padding: 2rem 1.5rem;
    border: 1px solid var(--rule);
}

.party-initials {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 300;
    color: var(--white);
    background: var(--sage);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    letter-spacing: 0.05em;
}

.party-member h3 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.375rem;
}

.party-role {
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
}

@media (max-width: 640px) {
    .party-grid { grid-template-columns: 1fr; }
}

/* ── RSVP ────────────────────────────────────────────────────────────────── */
.section--rsvp {
    text-align: center;
}

.rsvp-deadline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-muted);
    margin-bottom: 2rem;
}

.rsvp-letter {
    max-width: 440px;
    margin: 0 auto;
    background: var(--off-white);
    border: 1px solid var(--rule);
    border-top: 3px solid var(--sage);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06), 0 12px 40px rgba(0,0,0,0.06);
    padding: 2.5rem 2.5rem 2rem;
    text-align: left;
}

.rsvp-letter-header {
    text-align: center;
    font-size: 0.625rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--rule);
}

#rsvp-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-field label {
    display: block;
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.5rem;
}
.optional {
    text-transform: none;
    letter-spacing: 0;
    font-style: italic;
}

.form-field input[type="text"],
.form-field select,
.form-field textarea {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem 0;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--ink);
    background: transparent;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    border-radius: 0;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-bottom-color: var(--sage);
}
.form-field textarea {
    resize: vertical;
    min-height: 72px;
    line-height: 1.6;
}

.radio-row {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.radio-opt {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--ink);
}
.radio-opt input[type="radio"] {
    accent-color: var(--sage);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

.rsvp-btn {
    width: 100%;
    background: var(--sage);
    border: none;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    padding: 1.1rem 2.5rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 18px rgba(63, 168, 188, 0.35);
    margin-top: 0.5rem;
}
.btn-face {
    display: inline-block;
    font-size: 1.4rem;
    letter-spacing: 0;
    text-transform: none;
    vertical-align: middle;
    margin-left: 0.6rem;
    line-height: 1;
    transition: transform 0.2s;
}
.rsvp-btn:hover .btn-face { transform: scale(1.2); }

.rsvp-btn:hover {
    background: #2e96aa;
    box-shadow: 0 6px 24px rgba(63, 168, 188, 0.45);
}
.rsvp-btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

/* Paper roll-up send animation */
@keyframes paper-roll {
    0%   { transform: perspective(700px) rotateX(0deg)  scaleY(1)   translateY(0);     opacity: 1; }
    50%  { transform: perspective(700px) rotateX(18deg) scaleY(0.35) translateY(-6px);  opacity: 0.7; }
    100% { transform: perspective(700px) rotateX(55deg) scaleY(0)   translateY(-18px); opacity: 0; }
}

.rsvp-letter--sending {
    animation: paper-roll 0.65s cubic-bezier(0.4, 0, 0.8, 0.6) forwards;
    transform-origin: top center;
    pointer-events: none;
}

@keyframes success-rise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.rsvp-success {
    max-width: 440px;
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem 2rem;
}

.rsvp-success--visible {
    animation: success-rise 0.5s ease forwards;
}
.success-title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 2.25rem;
    color: var(--sage);
    margin-bottom: 0.75rem;
    letter-spacing: 0.04em;
}
#success-message {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.0625rem;
    color: var(--ink-muted);
    line-height: 1.75;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 800px) {
    :root { --sheet-pad: 2rem; }
    #sheet, footer { box-shadow: none; }
}

@media (max-width: 640px) {
    :root { --sheet-pad: 1.5rem; }

    .nav-inner { padding: 0 1rem; }
    #main-nav { position: relative; }
    .nav-links { display: none; }
    .nav-menu-btn { display: block; }

    .photo-strip {
        grid-template-columns: repeat(5, 1fr);
        height: 140px;
    }
    .photo-strip img:nth-child(n+6) { display: none; }

    .hero-names { font-size: 2.75rem; }

    .details-grid,
    .travel-blocks,
    .local-grid,
    .gifts-grid,
    .bank-grid { grid-template-columns: 1fr; gap: 1.25rem; }

    .timeline-item { grid-template-columns: 4.5rem 1fr; }

    .rule { margin: 0 var(--sheet-pad); }
}

@media (max-width: 420px) {
    .photo-strip { grid-template-columns: repeat(3, 1fr); }
    .photo-strip img:nth-child(n+4) { display: none; }
    .hero-names { font-size: 2.25rem; }
}