:root {
    --sis-navy: #132f5f;
    --sis-navy-deep: #0d2347;
    --sis-magenta: #b61b58;
    --sis-magenta-soft: #f6e7ee;
    --sis-gold: #f0a531;
    --sis-cream: #fbf7f2;
    --sis-paper: #ffffff;
    --sis-border: #ebe4dd;
    --sis-line: rgba(19, 47, 95, 0.10);
    --sis-text: #23324d;
    --sis-muted: #6c7382;
    --sis-shadow: 0 18px 50px rgba(22, 28, 45, 0.08);
    --sis-shadow-soft: 0 10px 30px rgba(22, 28, 45, 0.05);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

html {
    scroll-behavior: smooth;
}

body.rsvp-luxury-page {
    margin: 0;
    color: var(--sis-text);
    background: var(--sis-paper);
    font-family:
        "Segoe UI Variable",
        "Segoe UI",
        Arial,
        sans-serif;
    overflow-x: hidden;
}

.rsvp-luxury-page *,
.rsvp-luxury-page *::before,
.rsvp-luxury-page *::after {
    box-sizing: border-box;
}

.rsvp-luxury-page .container {
    width: min(1160px, calc(100% - 48px));
    margin-inline: auto;
}

/* =========================================================
   TOPBAR
   ========================================================= */

.rsvp-luxury-page .topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 252, 248, 0.88);
    border-bottom: 1px solid rgba(19, 47, 95, 0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition:
        background 0.25s ease,
        box-shadow 0.25s ease;
}

.rsvp-luxury-page .topbar.is-scrolled {
    background: rgba(255, 252, 248, 0.96);
    box-shadow: 0 8px 24px rgba(18, 27, 45, 0.06);
}

.rsvp-luxury-page .topbar-inner {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.rsvp-luxury-page .brand {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: var(--sis-navy);
    text-decoration: none;
}

.rsvp-luxury-page .brand-mark {
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    overflow: hidden;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: #fff;
    border: 1px solid rgba(19, 47, 95, 0.06);
    box-shadow: 0 8px 18px rgba(20, 26, 40, 0.05);
}

.rsvp-luxury-page .brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #fff;
}

.rsvp-luxury-page .brand-copy {
    display: grid;
    gap: 4px;
}

.rsvp-luxury-page .brand-copy strong {
    font-size: 19px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.rsvp-luxury-page .brand-copy small {
    font-size: 14px;
    color: var(--sis-muted);
}

.rsvp-luxury-page .topbar-badge {
    padding: 11px 18px;
    border-radius: 999px;
    border: 1px solid rgba(182, 27, 88, 0.10);
    background: #fbf1f4;
    color: var(--sis-magenta);
    font-size: 14px;
    font-weight: 800;
}

/* =========================================================
   HERO
   ========================================================= */

.lux-hero {
    position: relative;
    overflow: hidden;
    padding: 76px 0 84px;
    background:
        radial-gradient(circle at 100% 10%, rgba(240, 165, 49, 0.10), transparent 24%),
        radial-gradient(circle at 0% 90%, rgba(182, 27, 88, 0.06), transparent 22%),
        linear-gradient(180deg, #fffcf8 0%, #fffaf7 100%);
}

.hero-ambient {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.8;
}

.hero-ambient-one {
    width: 320px;
    height: 320px;
    top: -120px;
    right: -120px;
    background: rgba(240, 165, 49, 0.12);
    filter: blur(8px);
}

.hero-ambient-two {
    width: 240px;
    height: 240px;
    bottom: -90px;
    left: -90px;
    background: rgba(182, 27, 88, 0.06);
    filter: blur(8px);
}

.hero-shell {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 52px;
    align-items: center;
}

.hero-copy {
    max-width: 640px;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
    color: var(--sis-magenta);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-kicker::before {
    content: "";
    width: 42px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--sis-gold), var(--sis-magenta));
}

.hero-title {
    margin: 0;
    color: var(--sis-navy);
    font-size: clamp(64px, 8vw, 104px);
    line-height: 0.88;
    letter-spacing: -0.06em;
    font-weight: 850;
}

.hero-title .hero-title-accent {
    display: block;
    color: var(--sis-magenta);
}

.hero-description {
    margin: 28px 0 0;
    color: #556076;
    font-size: clamp(18px, 1.6vw, 21px);
    line-height: 1.7;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 34px;
}

.primary-action {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-height: 56px;
    padding: 0 28px;
    border-radius: 16px;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, var(--sis-magenta), #cf2a65);
    box-shadow: 0 14px 28px rgba(182, 27, 88, 0.18);
    font-size: 15px;
    font-weight: 800;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.primary-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 32px rgba(182, 27, 88, 0.22);
}

.primary-action .action-arrow {
    font-size: 20px;
    line-height: 1;
}

.secondary-action {
    color: var(--sis-navy);
    text-decoration: none;
    font-weight: 750;
    font-size: 15px;
    transition: color 0.2s ease;
}

.secondary-action:hover {
    color: var(--sis-magenta);
}

.hero-event-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 42px;
}

.hero-event-card {
    padding: 18px 18px 16px;
    border-radius: 18px;
    border: 1px solid rgba(19, 47, 95, 0.08);
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 8px 22px rgba(20, 26, 40, 0.04);
}

.event-card-index {
    display: block;
    margin-bottom: 10px;
    color: var(--sis-magenta);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.10em;
}

.hero-event-card small {
    display: block;
    margin-bottom: 4px;
    color: #8b8f98;
    font-size: 12px;
}

.hero-event-card strong {
    display: block;
    color: var(--sis-navy);
    font-size: 14px;
    line-height: 1.45;
}

/* Visual */
.hero-visual {
    position: relative;
    min-height: 520px;
    display: grid;
    place-items: center;
}

.visual-orbit {
    position: absolute;
    width: min(470px, 92%);
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, rgba(182, 27, 88, 0.10), rgba(182, 27, 88, 0.02) 60%, transparent 70%);
    border: 1px solid rgba(182, 27, 88, 0.08);
}

.visual-ring {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 1px solid rgba(19, 47, 95, 0.08);
}

.visual-ring::after {
    content: "";
    position: absolute;
    width: 165px;
    height: 165px;
    right: -42px;
    bottom: 8px;
    border-radius: 50%;
    border: 34px solid rgba(240, 165, 49, 0.92);
}

.poster-float {
    position: relative;
    z-index: 3;
}

.poster-card {
    width: min(330px, 74vw);
    min-height: 424px;
    padding: 28px 28px 24px;
    border-radius: 32px;
    border: 1px solid rgba(19, 47, 95, 0.06);
    background: rgba(255, 252, 252, 0.95);
    box-shadow: 0 24px 60px rgba(23, 28, 42, 0.10);
    transform: rotate(-2deg);
    transition: transform 0.25s ease;
}

.poster-logo {
    width: 80px;
    height: 80px;
    padding: 8px;
    display: grid;
    place-items: center;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(23, 28, 42, 0.06);
    margin-bottom: 48px;
}

.poster-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.poster-words {
    display: grid;
    gap: 2px;
}

.poster-words span {
    color: var(--sis-navy);
    font-size: 38px;
    font-weight: 300;
    line-height: 1.06;
    letter-spacing: -0.05em;
}

.poster-words strong {
    color: var(--sis-gold);
    font-size: 54px;
    line-height: 1.02;
    letter-spacing: -0.06em;
}

.poster-date {
    margin-top: 44px;
    padding-top: 16px;
    border-top: 1px solid rgba(19, 47, 95, 0.08);
    color: #7c8190;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Hide decorative floating chips for more natural look */
.floating-chip {
    display: none;
}

/* =========================================================
   REGISTRATION INTRO
   ========================================================= */

.lux-registration {
    padding: 100px 0 110px;
    background:
        linear-gradient(180deg, #fffdfb 0%, #faf7f4 100%);
}

.registration-intro {
    max-width: 760px;
    margin: 0 auto 56px;
    text-align: center;
}

.section-kicker {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--sis-magenta);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.registration-intro h2 {
    margin: 0;
    color: var(--sis-navy);
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.registration-intro p {
    margin: 20px auto 0;
    max-width: 620px;
    color: var(--sis-muted);
    font-size: 17px;
    line-height: 1.7;
}

/* =========================================================
   LAYOUT
   ========================================================= */

.registration-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.registration-sidebar {
    position: sticky;
    top: 108px;
    padding: 26px;
    border-radius: 24px;
    border: 1px solid rgba(19, 47, 95, 0.08);
    background: #fff;
    box-shadow: var(--sis-shadow-soft);
}

.sidebar-top {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--sis-line);
}

.sidebar-top small {
    display: block;
    margin-bottom: 8px;
    color: var(--sis-magenta);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.sidebar-top strong {
    display: block;
    color: var(--sis-navy);
    font-size: 20px;
    line-height: 1.35;
}

.registration-progress {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.progress-step {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 12px;
    align-items: center;
    padding: 10px;
    border-radius: 14px;
    transition:
        background 0.2s ease,
        transform 0.2s ease;
}

.progress-step.is-active {
    background: #faf2f5;
}

.progress-step.is-complete .progress-number,
.progress-step.is-active .progress-number {
    background: var(--sis-magenta);
    color: #fff;
}

.progress-number {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: #f4f2ef;
    color: #8b8f97;
    font-size: 11px;
    font-weight: 900;
}

.progress-copy strong {
    display: block;
    margin-bottom: 2px;
    color: var(--sis-navy);
    font-size: 13px;
}

.progress-copy small {
    display: block;
    color: #969aa2;
    font-size: 11px;
    line-height: 1.35;
}

/* =========================================================
   FORM CARD
   ========================================================= */

.form-card-lux {
    border-radius: 28px;
    border: 1px solid rgba(19, 47, 95, 0.08);
    background: #fff;
    box-shadow: var(--sis-shadow);
    overflow: hidden;
}

.alert-error {
    margin: 28px 30px 0;
    padding: 16px 18px;
    border-radius: 16px;
    border: 1px solid rgba(182, 27, 88, 0.14);
    background: #fbf1f4;
    color: #8f204b;
}

.alert-error strong {
    display: block;
    margin-bottom: 4px;
}

.alert-error p {
    margin: 0;
    font-size: 13px;
    color: #966779;
}

.form-section {
    padding: 38px 40px;
}

.form-section + .form-section {
    border-top: 1px solid var(--sis-line);
}

.form-heading {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 26px;
}

.form-heading-index {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--sis-magenta), #cc2963);
    color: #fff;
    font-size: 12px;
    font-weight: 900;
}

.form-heading h3 {
    margin: 2px 0 4px;
    color: var(--sis-navy);
    font-size: 22px;
    letter-spacing: -0.02em;
}

.form-heading p {
    margin: 0;
    color: #979ba4;
    font-size: 13px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.field {
    min-width: 0;
}

.field.full {
    grid-column: 1 / -1;
}

.field label {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 9px;
    color: #37445c;
    font-size: 13px;
    font-weight: 750;
}

.field label em {
    color: var(--sis-magenta);
    font-style: normal;
}

.optional {
    margin-left: auto;
    color: #a0a3aa;
    font-size: 10px;
    font-weight: 700;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    border: 1px solid #e6e0d8;
    border-radius: 14px;
    background: #fffdfb;
    color: var(--sis-text);
    font: inherit;
    font-size: 14px;
    outline: none;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.field input,
.field select {
    min-height: 52px;
    padding: 0 15px;
}

.field textarea {
    min-height: 100px;
    padding: 14px 15px;
    resize: vertical;
    line-height: 1.6;
}

.field input::placeholder,
.field textarea::placeholder {
    color: #b0b1b5;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    background: #fff;
    border-color: rgba(182, 27, 88, 0.30);
    box-shadow: 0 0 0 4px rgba(182, 27, 88, 0.06);
}

.field-error {
    display: block;
    margin-top: 7px;
    color: #b61b58;
    font-size: 11px;
    font-weight: 700;
}

/* =========================================================
   REFERRAL CHOICES
   ========================================================= */

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.choice-card {
    position: relative;
    cursor: pointer;
}

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

.choice-content {
    min-height: 56px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 15px;
    border: 1px solid #e6e0d8;
    background: #fffdfb;
    color: #586173;
    font-size: 13px;
    font-weight: 700;
    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

.choice-dot {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border-radius: 50%;
    border: 2px solid #d4d1d4;
    background: #fff;
    transition: all 0.2s ease;
}

.choice-card input:checked + .choice-content {
    border-color: rgba(182, 27, 88, 0.24);
    background: #fbf1f4;
    color: #8f204b;
    box-shadow: 0 6px 18px rgba(182, 27, 88, 0.05);
}

.choice-card input:checked + .choice-content .choice-dot {
    border: 5px solid var(--sis-magenta);
}

/* Expandable field */
.other-field {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    margin-top: 0;
    transition:
        max-height 0.28s ease,
        opacity 0.28s ease,
        transform 0.28s ease,
        margin-top 0.28s ease;
}

.other-field.is-open {
    max-height: 120px;
    opacity: 1;
    transform: translateY(0);
    margin-top: 18px;
}

/* =========================================================
   ATTENDANCE
   ========================================================= */

.attendance-note {
    margin-bottom: 22px;
    padding: 14px 16px;
    border-radius: 15px;
    border: 1px solid rgba(240, 165, 49, 0.18);
    background: rgba(240, 165, 49, 0.08);
    color: #7f6333;
    font-size: 12px;
    line-height: 1.6;
}

.counter-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.counter-card {
    padding: 16px;
    border-radius: 17px;
    border: 1px solid #e6e0d8;
    background: #fffdfb;
}

.counter-card > span {
    display: block;
    margin-bottom: 11px;
    color: var(--sis-navy);
    font-size: 13px;
    font-weight: 800;
}

.counter-control {
    display: grid;
    grid-template-columns: 38px minmax(44px, 1fr) 38px;
    gap: 8px;
    align-items: center;
}

.counter-control button {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 12px;
    background: #f3f1ee;
    color: var(--sis-navy);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition:
        background 0.2s ease,
        color 0.2s ease;
}

.counter-control button:hover {
    background: var(--sis-magenta);
    color: #fff;
}

.counter-control input {
    width: 100%;
    height: 38px;
    border: 0;
    background: transparent;
    text-align: center;
    color: var(--sis-navy);
    font: inherit;
    font-size: 18px;
    font-weight: 900;
    outline: 0;
    -moz-appearance: textfield;
}

.counter-control input::-webkit-outer-spin-button,
.counter-control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* =========================================================
   SCHOOL INFO
   ========================================================= */

.school-question {
    margin-bottom: 18px;
}

.school-question > label {
    display: block;
    margin-bottom: 10px;
    color: #37445c;
    font-size: 13px;
    font-weight: 750;
}

.school-question > label em {
    color: var(--sis-magenta);
    font-style: normal;
}

.yes-no {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.yes-no label {
    position: relative;
    cursor: pointer;
}

.yes-no input {
    position: absolute;
    opacity: 0;
}

.yes-no span {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-radius: 15px;
    border: 1px solid #e6e0d8;
    background: #fffdfb;
    color: #606979;
    font-size: 13px;
    font-weight: 800;
    text-align: center;
    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        color 0.2s ease;
}

.yes-no input:checked + span {
    background: var(--sis-magenta);
    border-color: var(--sis-magenta);
    color: #fff;
}

.school-fields {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition:
        max-height 0.3s ease,
        opacity 0.3s ease,
        transform 0.3s ease,
        padding-top 0.3s ease;
}

.school-fields.is-open {
    max-height: 560px;
    opacity: 1;
    transform: translateY(0);
    padding-top: 6px;
}

/* =========================================================
   SUBMIT
   ========================================================= */

.submit-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 30px 40px 34px;
    border-top: 1px solid var(--sis-line);
    background: linear-gradient(180deg, #fffdfb 0%, #fbf7f3 100%);
}

.submit-copy strong {
    display: block;
    color: var(--sis-navy);
    font-size: 17px;
}

.submit-copy p {
    margin: 6px 0 0;
    color: #878c95;
    font-size: 12px;
    line-height: 1.55;
}

.submit-button {
    min-width: 180px;
    min-height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    border: 0;
    border-radius: 16px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--sis-magenta), #cf2a65);
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 850;
    box-shadow: 0 14px 28px rgba(182, 27, 88, 0.18);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        opacity 0.2s ease;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(182, 27, 88, 0.22);
}

.submit-button:disabled {
    opacity: 0.72;
    cursor: wait;
}

.submit-spinner {
    width: 16px;
    height: 16px;
    display: none;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.submit-button.is-loading .submit-spinner {
    display: block;
}

.submit-button.is-loading .submit-arrow {
    display: none;
}

/* =========================================================
   FOOTER
   ========================================================= */

.rsvp-luxury-page .footer {
    padding: 34px 0;
    background: var(--sis-navy-deep);
    color: rgba(255, 255, 255, 0.85);
}

.rsvp-luxury-page .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.rsvp-luxury-page .footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.rsvp-luxury-page .footer-logo {
    width: 46px;
    height: 46px;
    padding: 4px;
    overflow: hidden;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: #fff;
}

.rsvp-luxury-page .footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.rsvp-luxury-page .footer strong {
    display: block;
    font-size: 14px;
    color: #fff;
}

.rsvp-luxury-page .footer p {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.52);
    font-size: 11px;
}

.footer-note {
    color: rgba(255, 255, 255, 0.44);
    font-size: 11px;
}

/* =========================================================
   REVEAL ANIMATION - SUBTLE
   ========================================================= */

.rsvp-luxury-page.is-motion-ready [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.55s ease,
        transform 0.55s ease;
}

.rsvp-luxury-page.is-motion-ready [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   KEYFRAMES
   ========================================================= */

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1024px) {
    .hero-shell {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .hero-copy {
        max-width: 100%;
        text-align: center;
    }

    .hero-kicker {
        justify-content: center;
    }

    .hero-description {
        margin-inline: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-event-grid {
        max-width: 820px;
        margin-inline: auto;
    }

    .hero-visual {
        min-height: 460px;
    }

    .registration-layout {
        grid-template-columns: 1fr;
    }

    .registration-sidebar {
        position: static;
    }

    .registration-progress {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 10px;
    }

    .progress-step {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 10px 6px;
    }

    .progress-number {
        margin-inline: auto;
    }

    .progress-copy small {
        display: none;
    }
}

@media (max-width: 768px) {
    .rsvp-luxury-page .container {
        width: min(100% - 28px, 1160px);
    }

    .rsvp-luxury-page .topbar-inner {
        min-height: 74px;
    }

    .rsvp-luxury-page .brand-mark {
        width: 48px;
        height: 48px;
        flex-basis: 48px;
        border-radius: 14px;
    }

    .rsvp-luxury-page .brand-copy strong {
        font-size: 15px;
    }

    .rsvp-luxury-page .brand-copy small {
        font-size: 12px;
    }

    .rsvp-luxury-page .topbar-badge {
        display: none;
    }

    .lux-hero {
        padding: 52px 0 58px;
    }

    .hero-title {
        font-size: clamp(56px, 16vw, 86px);
    }

    .hero-description {
        font-size: 17px;
        margin-top: 24px;
    }

    .hero-event-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .hero-visual {
        min-height: 380px;
    }

    .visual-orbit {
        width: 320px;
    }

    .visual-ring {
        width: 280px;
        height: 280px;
    }

    .visual-ring::after {
        width: 132px;
        height: 132px;
        border-width: 26px;
        right: -26px;
        bottom: 20px;
    }

    .poster-card {
        width: 252px;
        min-height: 336px;
        padding: 22px;
        border-radius: 26px;
        transform: rotate(-1deg);
    }

    .poster-logo {
        width: 64px;
        height: 64px;
        margin-bottom: 34px;
    }

    .poster-words span {
        font-size: 30px;
    }

    .poster-words strong {
        font-size: 40px;
    }

    .poster-date {
        margin-top: 30px;
        font-size: 11px;
    }

    .lux-registration {
        padding: 72px 0 84px;
    }

    .registration-intro {
        margin-bottom: 36px;
    }

    .registration-intro h2 {
        font-size: 38px;
    }

    .registration-progress {
        display: none;
    }

    .sidebar-top {
        border-bottom: 0;
        padding-bottom: 0;
    }

    .form-card-lux {
        border-radius: 22px;
    }

    .form-section {
        padding: 30px 22px;
    }

    .field-grid,
    .choice-grid,
    .counter-grid,
    .yes-no {
        grid-template-columns: 1fr;
    }

    .submit-area {
        flex-direction: column;
        align-items: stretch;
        padding: 26px 22px 30px;
    }

    .submit-button {
        width: 100%;
    }

    .rsvp-luxury-page .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-note {
        display: none;
    }
}

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

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}