:root {
  --bg: #f5f7fb;
  --paper: rgba(255, 255, 255, 0.9);
  --paper-strong: rgba(255, 255, 255, 0.95);
  --ink: #1e2530;
  --ink-soft: #5c6573;
  --sea: #1e578a;
  --sea-dark: #153c60;
  --line: rgba(44, 94, 145, 0.22);
  --shadow: 0 24px 70px rgba(18, 26, 38, 0.18);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(63, 126, 180, 0.12), transparent 35%),
    linear-gradient(180deg, #f4f7fa 0%, #eef2f7 100%);
  color: var(--ink);
  font-family: "Martel Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  padding: 5.5rem 0;
}

.section-kicker,
.eyebrow {
  margin: 0 0 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  font-size: 0.84rem;
  font-weight: 700;
}

.section-kicker {
  color: var(--sea);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: clip;
  display: grid;
  align-items: center;
  isolation: isolate;
}

.hero__image,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
}

.hero__overlay {
  background:
    linear-gradient(180deg, rgba(4, 10, 18, 0.52) 0%, rgba(4, 10, 18, 0.15) 30%, rgba(4, 10, 18, 0.05) 55%, rgba(4, 10, 18, 0.38) 100%),
    linear-gradient(180deg, rgba(18, 49, 78, 0.24) 0%, rgba(18, 49, 78, 0.08) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 3rem 0 6rem;
}

.hero__title {
  margin: 0;
  max-width: 14ch;
  text-align: center;
  color: #fff;
  font-size: clamp(2.8rem, 6vw, 6.6rem);
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-wrap: balance;
  -webkit-text-stroke: 10px var(--sea-dark);
  paint-order: stroke fill;
  text-shadow: 0 12px 30px rgba(5, 11, 18, 0.18);
}

.hero__underline {
  width: min(78ch, 92%);
  max-width: 960px;
  height: 14px;
  border-radius: 999px;
  background: var(--sea-dark);
  position: relative;
  margin-top: 0.8rem;
}

.hero__underline::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background: #fff;
}

.event-tag {
  width: min(100%, 520px);
  margin-top: 1.75rem;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--ink);
  overflow: hidden;
}

.event-tag--icon {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: stretch;
}

.event-tag--lines {
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: stretch;
}

.event-tag__line--vertical {
  width: 3px;
  margin: 1.75rem 0 1.75rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(30,87,138,0.86), rgba(30,87,138,0.36));
}

.event-tag__icon {
  width: 108px;
  display: grid;
  place-items: center;
}

.party-popper {
  position: relative;
  display: inline-block;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--sea) 0%, var(--sea-dark) 100%);
  box-shadow: 0 12px 24px rgba(21, 60, 96, 0.22);
}

.party-popper::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 28px;
  width: 22px;
  height: 18px;
  background: #fff;
  clip-path: polygon(0 58%, 100% 0, 68% 100%);
  border-radius: 2px;
}

.party-popper::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 13px;
  width: 20px;
  height: 20px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(28deg);
  border-radius: 50%;
}

.event-tag__content {
  padding: 1.6rem 1.75rem 1.5rem 0.4rem;
}

.theme-lines .event-tag__content {
  padding-left: 1.1rem;
}

.event-tag__date {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.event-tag__place,
.event-tag__meta {
  font-size: clamp(1rem, 2vw, 1.22rem);
  font-weight: 600;
}

.event-tag__place {
  margin-top: 0.45rem;
}

.event-tag__divider {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--line);
  margin: 0.95rem 0 0.8rem;
}

.intro__grid,
.rsvp__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.intro__text h2,
.rsvp__copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.intro__text p,
.rsvp__copy p,
.rsvp__notes li {
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.75;
}

.rsvp__notes {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.details-card,
.form-card {
  background: var(--paper-strong);
  border: 1px solid rgba(255,255,255,0.88);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.details-card {
  padding: 1.65rem;
  display: grid;
  gap: 1rem;
}

.details-card__item {
  padding: 1rem 1.1rem;
  border-radius: 22px;
  background: rgba(244, 248, 252, 0.88);
  border: 1px solid rgba(40, 89, 138, 0.08);
}

.details-card__item strong,
.details-card__item span {
  display: block;
}

.details-card__label {
  margin-bottom: 0.35rem;
  color: var(--sea);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.form-card {
  padding: 1.8rem;
}

form {
  display: grid;
  gap: 1.15rem;
}

.hidden-field {
  display: none !important;
}

.form-row {
  display: grid;
  gap: 0.55rem;
}

label,
.form-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

input[type="text"],
select,
textarea {
  width: 100%;
  border: 1px solid rgba(30, 87, 138, 0.16);
  border-radius: 18px;
  padding: 0.95rem 1rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(30, 87, 138, 0.58);
  box-shadow: 0 0 0 4px rgba(30, 87, 138, 0.12);
}

.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.choice {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.choice input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.choice span {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0.75rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(30, 87, 138, 0.16);
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  transition: all .18s ease;
}

.choice input:checked + span {
  background: rgba(30, 87, 138, 0.1);
  border-color: rgba(30, 87, 138, 0.58);
  color: var(--sea-dark);
}

.attendance-fields--hidden {
  display: none !important;
}

.button {
  appearance: none;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  width: 100%;
  border-radius: 999px;
  padding: 0.9rem 1.3rem;
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  background: linear-gradient(180deg, var(--sea) 0%, var(--sea-dark) 100%);
  box-shadow: 0 16px 30px rgba(21, 60, 96, 0.18);
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 34px rgba(21, 60, 96, 0.22);
}

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

.form-status {
  min-height: 1.4rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--sea-dark);
}

.footer {
  padding: 0 0 2rem;
}

.footer__inner {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.thankyou-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.thankyou__card {
  width: min(100%, 620px);
  padding: 2rem;
  border-radius: var(--radius-xl);
  background: var(--paper-strong);
  border: 1px solid rgba(255,255,255,0.88);
  box-shadow: var(--shadow);
  text-align: center;
}

.thankyou__card h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.03em;
}

@media (max-width: 920px) {
  .hero {
    min-height: auto;
  }

  .hero__content {
    padding: 4rem 0 4rem;
  }

  .hero__title {
    max-width: 12ch;
    -webkit-text-stroke: 7px var(--sea-dark);
  }

  .event-tag {
    width: 100%;
  }

  .intro__grid,
  .rsvp__grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 640px) {
  .hero__content {
    justify-items: stretch;
  }

  .eyebrow {
    text-align: center;
  }

  .hero__title {
    text-align: center;
    font-size: clamp(2.45rem, 12vw, 4.2rem);
    -webkit-text-stroke: 5px var(--sea-dark);
  }

  .hero__underline {
    height: 11px;
    width: 100%;
    max-width: none;
  }

  .event-tag {
    border-radius: 24px;
  }

  .event-tag--icon {
    grid-template-columns: 1fr;
  }

  .event-tag__icon {
    width: auto;
    padding-top: 1.2rem;
  }

  .event-tag__content {
    padding: 0.5rem 1.2rem 1.25rem;
  }

  .theme-lines .event-tag--lines {
    grid-template-columns: 1fr;
  }

  .theme-lines .event-tag__line--vertical {
    display: none;
  }

  .theme-lines .event-tag__content {
    padding-left: 1.2rem;
  }

  .form-card,
  .details-card {
    padding: 1.2rem;
  }

  .choice-group {
    flex-direction: column;
  }

  .choice span {
    width: 100%;
    justify-content: center;
  }
}


body.modal-open {
  overflow: hidden;
}

.success-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease;
}

.success-modal--open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.success-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 14, 24, 0.52);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.success-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
}

.success-tag {
  display: grid;
  grid-template-columns: 14px 1fr;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(18, 26, 38, 0.24);
  overflow: hidden;
}

.success-tag__line {
  background: linear-gradient(180deg, rgba(30,87,138,0.92), rgba(30,87,138,0.36));
}

.success-tag__content {
  padding: 1.7rem 1.5rem 1.5rem 1.35rem;
}

.success-tag__kicker {
  margin: 0 0 0.45rem;
  color: var(--sea);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.success-tag__title {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.success-tag__text {
  margin: 0.8rem 0 1.25rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.success-tag__button {
  width: auto;
  min-width: 132px;
}

@media (max-width: 640px) {
  .success-tag {
    grid-template-columns: 10px 1fr;
    border-radius: 24px;
  }

  .success-tag__content {
    padding: 1.3rem 1.1rem 1.15rem 1rem;
  }

  .success-tag__button {
    width: 100%;
  }
}