.sponsor-page {
  overflow: hidden;
}

.sponsor-page :where(#package, #apply) {
  scroll-margin-top: 8.5rem;
}

.sponsor-hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.sponsor-hero::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 26%, rgba(251, 191, 36, 0.16), transparent 24rem),
    linear-gradient(118deg, rgba(126, 212, 201, 0.09), transparent 48%);
  content: "";
  pointer-events: none;
}

.sponsor-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.sponsor-hero-copy h1 {
  max-width: 760px;
  margin: 0.35rem 0 1.2rem;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.sponsor-hero-intro {
  max-width: 730px;
  color: var(--text-2);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.8;
}

.sponsor-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.sponsor-offer-card {
  position: relative;
  isolation: isolate;
  padding: clamp(1.6rem, 4vw, 2.4rem);
  overflow: hidden;
  border: 1px solid rgba(251, 191, 36, 0.38);
  border-radius: 1.6rem;
  background:
    linear-gradient(150deg, rgba(251, 191, 36, 0.16), rgba(126, 212, 201, 0.08)),
    var(--bg2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.36);
}

.sponsor-offer-card::after {
  position: absolute;
  right: -4rem;
  bottom: -5rem;
  z-index: -1;
  width: 13rem;
  height: 13rem;
  border: 2rem solid rgba(251, 191, 36, 0.1);
  border-radius: 50%;
  content: "";
}

.sponsor-offer-label {
  color: var(--accent-4);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

:root.light-mode .sponsor-offer-label,
:root.focus-mode .sponsor-offer-label {
  color: #704400 !important;
  -webkit-text-fill-color: #704400 !important;
}

:root.light-mode .sponsor-benefit-card > span,
:root.focus-mode .sponsor-benefit-card > span,
:root.light-mode .sponsor-field label span,
:root.focus-mode .sponsor-field label span {
  color: #704400 !important;
  -webkit-text-fill-color: #704400 !important;
}

.sponsor-price {
  display: block;
  margin: 0.75rem 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 7vw, 4.6rem);
  line-height: 1;
}

.sponsor-price small {
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
}

.sponsor-offer-card p {
  color: var(--text-2);
  font-size: 0.94rem;
  line-height: 1.75;
}

.sponsor-offer-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
}

.sponsor-offer-line b {
  color: var(--accent-4);
}

.sponsor-section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.sponsor-about-grid,
.sponsor-support-process,
.sponsor-eligibility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.sponsor-panel {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.2rem);
}

.sponsor-panel h2 {
  margin: 0.55rem 0 1rem;
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
}

.sponsor-panel h3 {
  margin-bottom: 0.75rem;
}

.sponsor-panel > p {
  color: var(--text-2);
  line-height: 1.75;
}

.sponsor-section-number {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.sponsor-tick-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.sponsor-tick-list li {
  position: relative;
  padding-left: 1.65rem;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}

.sponsor-tick-list li::before {
  position: absolute;
  top: 0.45rem;
  left: 0.12rem;
  width: 0.65rem;
  height: 0.35rem;
  border-bottom: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  content: "";
  transform: rotate(-45deg);
}

.sponsor-manifesto,
.sponsor-closing-line {
  margin-top: 1.35rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(126, 212, 201, 0.07);
  color: var(--text) !important;
  font-weight: 800;
}

.sponsor-founding-card {
  overflow: hidden;
  border: 1px solid rgba(251, 191, 36, 0.34);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(251, 191, 36, 0.13), rgba(249, 168, 212, 0.05)),
    var(--surface);
  box-shadow: var(--shadow);
}

.sponsor-founding-card p + p {
  margin-top: 0.85rem;
}

.sponsor-status-line {
  display: inline-flex;
  margin-top: 1.25rem !important;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(74, 222, 128, 0.26);
  border-radius: 0.8rem;
  background: rgba(74, 222, 128, 0.08);
  color: var(--green) !important;
  font-size: 0.82rem;
  font-weight: 800;
}

.sponsor-package-section {
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.018);
}

.sponsor-heading {
  max-width: 750px;
  margin-bottom: 1.8rem;
}

.sponsor-heading h2 {
  margin: 0.25rem 0 0.65rem;
}

.sponsor-heading p {
  color: var(--text-2);
}

.sponsor-benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.sponsor-benefit-card {
  min-height: 250px;
  padding: 1.35rem;
}

.sponsor-benefit-card > span {
  color: var(--accent-4);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
}

.sponsor-benefit-card h3 {
  margin: 2.2rem 0 0.65rem;
  font-size: 1.05rem;
}

.sponsor-benefit-card p {
  color: var(--text-2);
  font-size: 0.84rem;
  line-height: 1.65;
}

.sponsor-clarification,
.sponsor-disclaimer {
  margin-top: 1.2rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.82rem;
  line-height: 1.65;
}

.sponsor-support-process {
  align-items: stretch;
}

.sponsor-steps {
  display: grid;
  gap: 0.75rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.sponsor-steps li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: center;
}

.sponsor-steps li > span {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--accent-2));
  color: #081019;
  font-size: 0.74rem;
  font-weight: 900;
}

:root.light-mode .sponsor-steps li > span,
:root.focus-mode .sponsor-steps li > span {
  background: #0f766e;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
}

.sponsor-steps p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.55;
}

.sponsor-process-note {
  margin-top: 1.2rem;
  font-size: 0.82rem;
}

.sponsor-transparency-section {
  position: relative;
  background:
    radial-gradient(circle at 16% 50%, rgba(126, 212, 201, 0.08), transparent 22rem),
    var(--bg2);
}

.sponsor-transparency-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.sponsor-transparency-grid ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 1.3rem 1.3rem 1.3rem 2.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.sponsor-transparency-grid li {
  color: var(--text-2);
  font-size: 0.86rem;
  line-height: 1.6;
}

.sponsor-disclaimer {
  border-color: rgba(251, 191, 36, 0.25);
  background: rgba(251, 191, 36, 0.07);
}

.sponsor-eligibility {
  display: block;
}

.sponsor-eligibility-grid {
  margin-top: 1.4rem;
}

.sponsor-eligibility-grid .sponsor-panel {
  min-height: 220px;
}

.sponsor-exclusion-card {
  border: 1px solid rgba(248, 113, 113, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(248, 113, 113, 0.055);
}

.sponsor-application-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(126, 212, 201, 0.06), transparent 44%),
    rgba(255, 255, 255, 0.018);
}

.sponsor-form-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.sponsor-form-intro {
  position: sticky;
  top: 9rem;
}

.sponsor-form-intro h2 {
  margin: 0.3rem 0 0.9rem;
}

.sponsor-form-intro > p {
  color: var(--text-2);
  line-height: 1.75;
}

.sponsor-form-assurance {
  margin-top: 1.3rem;
  padding: 1rem;
  border: 1px solid rgba(74, 222, 128, 0.23);
  border-radius: 0.9rem;
  background: rgba(74, 222, 128, 0.065);
}

.sponsor-form-assurance strong {
  color: var(--green);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.sponsor-form-assurance p {
  margin-top: 0.35rem;
  color: var(--text-2);
  font-size: 0.82rem;
  line-height: 1.6;
}

.sponsor-form-card {
  padding: clamp(1.25rem, 4vw, 2rem);
}

.sponsor-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.15rem 1rem;
}

.sponsor-field {
  margin-bottom: 1rem;
}

.sponsor-field-wide {
  grid-column: 1 / -1;
}

.sponsor-field label {
  display: block;
  margin-bottom: 0.42rem;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 800;
}

.sponsor-field label > span[aria-hidden="true"],
.sponsor-checkbox-field label > span[aria-hidden="true"] {
  color: var(--accent-4);
}

.sponsor-optional {
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 600;
}

.sponsor-field :where(input, select, textarea) {
  width: 100%;
  padding: 0.82rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  outline: 0;
  background: color-mix(in srgb, var(--bg2) 72%, transparent);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

.sponsor-field textarea {
  resize: vertical;
}

.sponsor-field select {
  cursor: pointer;
}

.sponsor-field select option {
  background: var(--bg2);
  color: var(--text);
}

.sponsor-field :where(input, select, textarea):focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(126, 212, 201, 0.14);
}

.sponsor-field :where(input, select, textarea)[aria-invalid="true"] {
  border-color: var(--red);
  box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.11);
}

.sponsor-field-hint {
  margin-top: 0.3rem;
  color: var(--text-3);
  font-size: 0.7rem;
}

.sponsor-field-error {
  min-height: 1rem;
  margin-top: 0.28rem;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.4;
}

.sponsor-agreements {
  display: grid;
  gap: 0.15rem;
  margin: 0.4rem 0 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.sponsor-checkbox-field {
  display: grid;
  grid-template-columns: 1.2rem 1fr;
  gap: 0.65rem;
  align-items: start;
}

.sponsor-checkbox-field input {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.22rem;
  accent-color: var(--teal);
}

.sponsor-checkbox-field input:focus-visible {
  outline: 3px solid rgba(126, 212, 201, 0.32);
  outline-offset: 3px;
}

.sponsor-checkbox-field input[aria-invalid="true"] {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.sponsor-checkbox-field label {
  color: var(--text-2);
  font-size: 0.78rem;
  line-height: 1.6;
}

.sponsor-submit-button {
  width: 100%;
  min-height: 48px;
  justify-content: center;
  border-radius: 0.9rem;
}

.sponsor-submit-button:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.sponsor-submit-button.is-loading span::after {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  margin-left: 0.65rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  content: "";
  vertical-align: -0.12rem;
  animation: sponsor-spin 0.7s linear infinite;
}

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

.sponsor-form-status {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 0.8rem;
  font-size: 0.82rem;
  line-height: 1.6;
}

.sponsor-form-status.is-success,
.sponsor-form-status.is-error {
  display: block;
}

.sponsor-form-status.is-success {
  border: 1px solid rgba(74, 222, 128, 0.28);
  background: rgba(74, 222, 128, 0.08);
  color: var(--green);
}

.sponsor-form-status.is-error {
  border: 1px solid rgba(248, 113, 113, 0.28);
  background: rgba(248, 113, 113, 0.08);
  color: var(--red);
}

.sponsor-form-status a {
  color: inherit;
}

.sponsor-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.sponsor-faq-section {
  padding-bottom: 2rem;
}

.sponsor-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.sponsor-faq-card {
  padding: 1.35rem;
}

.sponsor-faq-card h3 {
  margin-bottom: 0.55rem;
  color: var(--accent);
  font-size: 1rem;
}

.sponsor-faq-card p {
  color: var(--text-2);
  font-size: 0.84rem;
  line-height: 1.65;
}

:root.light-mode .sponsor-offer-card,
:root.focus-mode .sponsor-offer-card {
  background:
    linear-gradient(150deg, rgba(183, 121, 31, 0.13), rgba(20, 61, 115, 0.05)),
    var(--surface);
  box-shadow: var(--shadow-lg);
}

:root.light-mode .sponsor-package-section,
:root.light-mode .sponsor-application-section,
:root.focus-mode .sponsor-package-section,
:root.focus-mode .sponsor-application-section {
  background: rgba(255, 255, 255, 0.44);
}

:root.light-mode .sponsor-transparency-section,
:root.focus-mode .sponsor-transparency-section {
  background:
    radial-gradient(circle at 16% 50%, rgba(13, 148, 136, 0.08), transparent 22rem),
    var(--bg2);
}

:root.light-mode .sponsor-field :where(input, select, textarea),
:root.focus-mode .sponsor-field :where(input, select, textarea) {
  background: #fff;
  color: var(--text);
}

:root.light-mode .sponsor-transparency-grid ul,
:root.focus-mode .sponsor-transparency-grid ul {
  background: var(--surface);
}

@media (max-width: 980px) {
  .sponsor-hero-grid,
  .sponsor-form-layout {
    grid-template-columns: 1fr;
  }

  .sponsor-benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sponsor-benefit-card {
    min-height: auto;
  }

  .sponsor-form-intro {
    position: static;
    max-width: 720px;
  }
}

@media (max-width: 700px) {
  .sponsor-hero {
    padding-top: 2.8rem;
  }

  .sponsor-hero-copy h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  .sponsor-hero-actions,
  .sponsor-hero-actions :where(.primary-btn, .secondary-btn) {
    width: 100%;
  }

  .sponsor-hero-actions :where(.primary-btn, .secondary-btn) {
    justify-content: center;
  }

  .sponsor-about-grid,
  .sponsor-support-process,
  .sponsor-eligibility-grid,
  .sponsor-benefit-grid,
  .sponsor-transparency-grid,
  .sponsor-faq-grid,
  .sponsor-form-grid {
    grid-template-columns: 1fr;
  }

  .sponsor-field-wide {
    grid-column: auto;
  }

  .sponsor-offer-line {
    display: grid;
    gap: 0.18rem;
  }

  .sponsor-offer-line b {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-submit-button.is-loading span::after {
    animation-duration: 1.4s;
  }
}

/* Version 16: one-section-at-a-time sponsorship journey. */
.sponsor-tabs-wrap {
  position: sticky;
  top: 4.15rem;
  z-index: 25;
  padding-top: 0.7rem;
}

.sponsor-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: rgba(10, 13, 20, 0.92);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.sponsor-tab {
  min-height: 3.1rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid transparent;
  border-radius: 0.85rem;
  background: transparent;
  color: var(--text-2);
  font: 800 0.82rem/1.2 var(--font-body);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.sponsor-tab:hover,
.sponsor-tab:focus-visible {
  border-color: var(--border-h);
  color: var(--text);
  transform: translateY(-1px);
}

.sponsor-tab:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.5);
  outline-offset: 2px;
}

.sponsor-tab[aria-selected="true"] {
  border-color: rgba(126, 212, 201, 0.38);
  background: linear-gradient(135deg, rgba(126, 212, 201, 0.18), rgba(251, 191, 36, 0.12));
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.sponsor-tab-section {
  scroll-margin-top: 9.5rem;
}

.sponsor-tab-section[hidden] {
  display: none !important;
}

.sponsor-hero {
  padding-top: clamp(2.5rem, 6vw, 4.75rem);
  padding-bottom: clamp(2.3rem, 5vw, 3.8rem);
}

.sponsor-section {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.sponsor-benefit-card {
  min-height: 205px;
}

.sponsor-benefit-card h3 {
  margin-top: 1.4rem;
}

.sponsor-faq-section {
  padding-top: 0;
}

:root.light-mode .sponsor-tabs,
:root.focus-mode .sponsor-tabs {
  border-color: rgba(17, 40, 74, 0.15);
  background: rgba(255, 252, 244, 0.95);
  box-shadow: 0 14px 35px rgba(17, 40, 74, 0.12);
}

:root.light-mode .sponsor-tab,
:root.focus-mode .sponsor-tab {
  color: #40516d;
}

:root.light-mode .sponsor-tab[aria-selected="true"],
:root.focus-mode .sponsor-tab[aria-selected="true"] {
  border-color: rgba(15, 118, 110, 0.28);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(183, 121, 31, 0.12));
  color: #11284a;
}

@media (max-width: 700px) {
  .sponsor-tabs-wrap {
    position: static;
  }

  .sponsor-tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .sponsor-tabs::-webkit-scrollbar {
    display: none;
  }

  .sponsor-tab {
    flex: 0 0 auto;
    min-width: 8.25rem;
  }
}