/* Kongres Nasional Subud 2027 - registration site.
   Mobile first; breakpoints: 768px (tablet), 992px (desktop). BEM naming. */

/* Self-hosted so every device renders the same glyphs (Inter: body, Lora: headings and numerals; both SIL OFL). */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Lora";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/fonts/lora-latin.woff2") format("woff2");
}

:root {
  --color-text: #193c40;
  --color-text-muted: #55696b;
  --color-primary: #153c40;
  --color-primary-hover: #0f2d30;
  --color-bg: #f5f7f4;
  --color-surface: #ffffff;
  --color-tint: #e8edeb;
  --color-border: #cfd8d5;
  --color-gold-light: #d9be79;
  --color-gold: #9b7331;
  --color-error: #b3261e;
  --color-error-bg: #fdecea;
  --color-success: #1e6b3a;

  --font-body:
    Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: Lora, Georgia, "Times New Roman", serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shadow-card:
    0 1px 2px rgba(21, 60, 64, 0.06), 0 8px 24px rgba(21, 60, 64, 0.06);
  --shell-width: 72rem;
  --form-width: 44rem;
  --touch-target: 2.75rem;
}

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

html {
  font-size: 106.25%; /* 17px base: easier reading for older participants */
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
  font-variant-numeric: lining-nums;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

.nowrap {
  white-space: nowrap;
}

h1,
h2,
h3,
.hero__date,
.brand__sub {
  text-wrap: balance; /* no single-word last lines */
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-block-start: -4rem;
  inset-inline-start: var(--space-4);
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  inset-block-start: var(--space-2);
}

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

/* ---------- Header / footer ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  text-decoration: none;
}

.brand__logo {
  flex: none;
  width: 2.75rem;
  height: 2.75rem;
}

.brand__text {
  display: block;
}

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.brand__sub {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.pill {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.site-footer__credit {
  display: inline-block;
  margin-block-start: var(--space-1);
}

.site-footer {
  padding-block: var(--space-6);
  border-block-start: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ---------- Typography helpers ---------- */

.eyebrow {
  margin-block-end: var(--space-3);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.eyebrow--light {
  color: var(--color-gold-light);
}

/* ---------- Buttons ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target);
  padding: 0 var(--space-6);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(21, 60, 64, 0.22);
}

.button:hover {
  background: var(--color-primary-hover);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.button--secondary {
  background: transparent;
  color: var(--color-primary);
  box-shadow: none;
}

.button--secondary:hover {
  background: var(--color-tint);
}

.link-back {
  display: inline-block;
  padding-block: var(--space-2);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}

/* ---------- Home: hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding-block: var(--space-12);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(217, 190, 121, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  inline-size: 60rem;
  block-size: 60rem;
  inset-block-start: -38rem;
  inset-inline-start: 20%;
}

.hero::after {
  inline-size: 40rem;
  block-size: 40rem;
  inset-block-end: -26rem;
  inset-inline-end: -10rem;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  letter-spacing: -0.01em;
}

.hero__date {
  margin-block-start: var(--space-4);
  color: rgba(255, 255, 255, 0.9);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  max-width: 40rem;
  margin: var(--space-8) auto var(--space-4);
}

.countdown__unit {
  padding: var(--space-4) var(--space-2);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.07);
}

.countdown__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 10vw, 3.8rem);
  line-height: 1;
  color: #ecd9a0;
  font-variant-numeric: tabular-nums;
}

.countdown__label {
  display: block;
  margin-block-start: var(--space-2);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero__caption {
  font-family: var(--font-display);
  color: rgba(255, 255, 255, 0.92);
}

/* ---------- Home: about + flyer ---------- */

.about {
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-12);
}

.about__title {
  font-size: clamp(2rem, 6vw, 3rem);
}

.about__meta {
  margin-block-start: var(--space-3);
  color: var(--color-text-muted);
}

.flyer {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 28rem;
  max-width: 26rem;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 20px 40px rgba(21, 60, 64, 0.25);
}

.flyer::before {
  content: "";
  position: absolute;
  inline-size: 24rem;
  block-size: 24rem;
  inset-block-start: 20%;
  inset-inline-end: -8rem;
  border: 1px solid rgba(217, 190, 121, 0.35);
  border-radius: 50%;
}

.flyer__label,
.flyer__footer {
  position: relative;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flyer__label {
  color: var(--color-gold-light);
}

.flyer__title {
  position: relative;
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1.1;
}

.flyer__year {
  display: block;
  margin-block-start: var(--space-2);
  font-size: 4.2rem;
  color: var(--color-gold-light);
}

.flyer__footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block-start: var(--space-3);
  border-block-start: 1px solid rgba(217, 190, 121, 0.4);
}

.join {
  background: var(--color-tint);
  padding-block: var(--space-12);
  text-align: center;
}

.join__title {
  font-size: clamp(2rem, 6vw, 3rem);
}

.join__text {
  max-width: 32rem;
  margin: var(--space-4) auto var(--space-6);
  color: var(--color-text-muted);
}

.notice {
  max-width: 32rem;
  margin: 0 auto;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

/* ---------- Registration form ---------- */

.form-page {
  width: min(100% - 2rem, var(--form-width));
  margin-inline: auto;
  padding-block-end: var(--space-12);
}

.form-page__head {
  text-align: center;
  margin-block: var(--space-4) var(--space-8);
}

.form-page__title {
  font-size: clamp(2.2rem, 7vw, 3.4rem);
}

.form-page__lead {
  margin-block-start: var(--space-3);
  color: var(--color-text-muted);
}

.card {
  margin-block-end: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
  padding: 0;
  float: none;
  width: 100%;
}

.card__number {
  flex: none;
  display: grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 50%;
  background: var(--color-tint);
  font-size: 0.75rem;
  font-weight: 800;
}

.card__title {
  font-size: 1.6rem;
}

.card__hint {
  display: block;
  margin-block-start: var(--space-1);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.field-grid {
  display: grid;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
  margin-block-end: var(--space-4);
}

.field--group {
  margin-inline: 0;
  padding: 0;
  border: 0;
}

.field--group > legend {
  padding: 0;
  margin-block-end: var(--space-1);
}

.field-grid {
  margin-block-end: var(--space-4);
}

.field-grid > .field {
  margin-block-end: 0;
}

.field__label {
  font-size: 0.85rem;
  font-weight: 750;
}

.field__optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.field__hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.field__error {
  display: none;
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--color-error);
}

.field.has-error .field__error {
  display: block;
}

.input {
  inline-size: 100%;
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: inherit;
  font: inherit;
}

.input::placeholder {
  color: #7b8b8d;
}

.input:hover {
  border-color: #9bb0ad;
}

.has-error .input {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.field-row {
  display: grid;
  grid-template-columns: 5rem 1fr 6.5rem;
  gap: var(--space-3);
}

.package-cards {
  display: grid;
  gap: var(--space-3);
  margin-block-end: var(--space-4);
}

.package-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.package-card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.package-card.is-selected {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.package-card__main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
}

.package-card__input {
  margin-block-start: 0.15rem;
  accent-color: var(--color-primary);
}

.package-card__body {
  display: grid;
  justify-items: start;
  gap: var(--space-1);
}

.package-card__name {
  font-size: 0.95rem;
  font-weight: 750;
  color: var(--color-text);
}

.package-card__price-now {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-primary);
}

.package-card__tier {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: var(--color-tint);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.badge-full {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: var(--color-error-bg);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-error);
}

.package-card.is-full .package-card__main,
.hotel-option.is-full {
  cursor: not-allowed;
  opacity: 0.6;
}

.package-card__hotels {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3) var(--space-4) var(--space-4);
  border: 0;
  box-shadow: inset 0 1px 0 var(--color-border); /* not a border: a legend would straddle it */
}

.package-card__hotels[hidden] {
  display: none;
}

.package-card__legend {
  padding: 0;
  margin-block-end: var(--space-1);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.hotel-option {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}

.hotel-option input {
  accent-color: var(--color-primary);
}

.hotel-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-tint);
}

.conditional {
  margin-block-end: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.conditional[hidden] {
  display: none;
}

.conditional__title {
  margin-block-end: var(--space-3);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 750;
}

.pay-info {
  margin-block-end: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.pay-info[hidden] {
  display: none;
}

.pay-info__title {
  margin-block-end: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 750;
}

.pay-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-4);
  margin: 0;
}

.pay-info dt {
  color: var(--color-text-muted);
}

.pay-info dd {
  margin: 0;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.file-name {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
}

.price-summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-border);
}

.price-summary__value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
}

.price-summary__note {
  margin-block-start: var(--space-1);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.consent {
  max-width: 34rem;
  margin-inline: auto;
  text-align: start;
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-block: var(--space-4);
}

.consent input {
  flex: none;
  inline-size: 1.5rem;
  block-size: 1.5rem;
  margin-block-start: 0.15rem;
  accent-color: var(--color-primary);
}

.consent.has-error {
  color: var(--color-error);
}

.privacy {
  margin-block-start: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.privacy summary {
  cursor: pointer;
  font-weight: 650;
}

.honeypot {
  position: absolute;
  inset-inline-start: -10000px;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
}

.form-footer {
  text-align: center;
  padding-block: var(--space-4);
}

.form-footer__note {
  max-width: 34rem;
  margin: 0 auto var(--space-4);
  color: var(--color-text-muted);
}

.alert {
  margin-block-end: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-sm);
  background: var(--color-error-bg);
  color: #5f1410;
}

.alert[hidden],
[hidden] {
  display: none;
}

.alert__title {
  margin-block-end: var(--space-2);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
}

.alert ul {
  margin: 0;
  padding-inline-start: 1.2rem;
}

.alert a {
  font-weight: 650;
}

.status {
  min-height: 1.5rem;
  margin-block-end: var(--space-3);
  font-weight: 650;
}

/* ---------- Result panel ---------- */

.result {
  text-align: center;
}

.result__check {
  display: inline-grid;
  place-items: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  margin-block-end: var(--space-3);
  border-radius: 50%;
  background: var(--color-success);
  color: #fff;
  font-size: 1.8rem;
}

.result__number {
  display: block;
  margin-block: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 14vw, 4.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.result__status {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: 999px;
  background: #fff3d1;
  color: #6b4a00;
  font-weight: 750;
}

.result__notice {
  max-width: 34rem;
  margin: var(--space-4) auto;
  color: var(--color-text-muted);
}

.summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1) var(--space-4);
  max-width: 34rem;
  margin: var(--space-6) auto;
  text-align: start;
}

.summary dt {
  margin-block-start: var(--space-2);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.summary dd {
  margin: 0;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.result__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

/* ---------- Loading / errors ---------- */

.loading {
  padding-block: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
}

/* ---------- Larger screens ---------- */

@media (min-width: 768px) {
  .countdown {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }

  .about {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .card {
    padding: var(--space-8);
  }

  .field-grid--2 {
    grid-template-columns: 1fr 1fr;
  }

  .package-cards {
    grid-template-columns: 1fr 1fr;
  }

  .summary {
    grid-template-columns: 11rem 1fr;
  }

  .summary dt {
    margin-block-start: 0;
  }
}

@media print {
  .site-header,
  .site-footer,
  .result__actions,
  .link-back {
    display: none;
  }

  body {
    background: #fff;
  }
}

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