/* EXO-Evolution landing — dark-only, floating bar + carousels */

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

/* ---------- Dark palette (only theme) ---------- */
:root {
  --bg-surface: var(--horizon-blue-ink);
  --bg-alt: var(--horizon-blue-deep);
  --bg-deepest: #0A163F;
  --fg-on-surface: var(--horizon-white);
  --fg-muted-on-surface: #B8C1E3;
  --border-on-surface: rgba(255, 255, 255, 0.18);
  --border-strong-on-surface: var(--horizon-cyan);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.18);
  --card-body: #B8C1E3;
  --eyebrow-color: var(--horizon-cyan);
  --eyebrow-dark-color: var(--horizon-blue-ink);
  --waitlist-bg: var(--horizon-yellow);
  --footer-bg: var(--bg-deepest);
  --futureweek-color: var(--horizon-cyan);
}

html,
body {
  background: var(--bg-surface);
  color: var(--fg-on-surface);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-7);
}

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

/* Honeypot: invisible to humans (off-screen, no tab stop), visible to dumb bots */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.arrow {
  display: inline-block;
}

/* ---------- Floating bar ---------- */
.floating-bar {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 8px 8px 18px;
  background: rgba(16, 32, 84, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.floating-bar .lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  color: var(--fg-muted-on-surface);
}

.floating-bar .lang-toggle button {
  all: unset;
  cursor: pointer;
  padding: 4px 6px;
  color: inherit;
  border-radius: 2px;
}

.floating-bar .lang-toggle button:focus-visible {
  outline: 2px solid var(--horizon-cyan);
  outline-offset: 2px;
}

.floating-bar .lang-toggle button[aria-pressed="true"] {
  color: var(--fg-on-surface);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.floating-cta {
  padding: 10px 18px;
  font-size: 13px;
}

@media (max-width: 520px) {
  .floating-bar {
    top: auto;
    bottom: 16px;
    right: 16px;
    left: 16px;
    justify-content: space-between;
    padding: 6px 6px 6px 14px;
  }

  .floating-cta {
    padding: 10px 14px;
    font-size: 12px;
  }
}

/* ---------- Buttons ---------- */
/* hidden attribute must beat any author display rule (e.g. .btn { display: inline-flex }) */
[hidden] { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  transition: transform .15s ease, background-color .15s ease, color .15s ease;
  line-height: 1;
}

.btn-pill {
  background: var(--horizon-teal);
  color: var(--horizon-white);
  padding: 14px 24px;
  border-radius: var(--radius-pill);
}

.btn-pill:hover {
  background: var(--horizon-teal-deep);
}

.btn-pill:active {
  transform: scale(0.98);
}

.btn-pill:focus-visible {
  outline: 3px solid var(--horizon-yellow);
  outline-offset: 2px;
}

.btn-dark {
  background: var(--horizon-black);
  color: var(--horizon-white);
}

.btn-dark:hover {
  background: var(--bg-deepest);
}

.btn-outline {
  background: transparent;
  color: var(--fg-on-surface);
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--horizon-cyan);
}

.btn-outline:hover {
  background: var(--horizon-cyan);
  color: var(--horizon-blue-ink);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: transparent;
  /* let the fixed .hero-visual show through */
  padding: var(--space-10) var(--space-7) var(--space-9);
  border-bottom: 2px solid var(--border-on-surface);
  z-index: 1;
  /* sit above the fixed .hero-visual (z-index: 0) */
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--eyebrow-color);
  margin: 0 0 var(--space-4);
}

.eyebrow-dark {
  color: var(--eyebrow-dark-color);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-6);
  color: var(--fg-on-surface);
}

.hero-title-main {
  display: block;
  font-size: clamp(64px, 12vw, 180px);
}

.hero-title-sub {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-stretch: 87.5%;
  font-size: clamp(28px, 4.5vw, 64px);
  color: var(--fg-muted-on-surface);
  margin-top: var(--space-3);
  letter-spacing: -0.01em;
}

.hero-meta {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 28px);
  margin: 0 0 var(--space-3);
}

.hero-meta .highlight-yellow {
  padding: 0.05em 0.25em 0.12em;
}

.hero-where {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--fg-muted-on-surface);
  margin: 0 0 var(--space-6);
}

.hero-lead {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.5;
  max-width: 640px;
  color: var(--fg-on-surface);
  margin: 0 0 var(--space-7);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-visual {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 80%;
  height: 100%;
  z-index: 0;
  /* behind .hero / .about content */
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 240ms ease-out;
}

.hero-visual.is-hidden {
  opacity: 0;
}

/* Flipbook stage: 5 frames stacked, one visible at a time via [data-frame="N"]. */
.hero-frames {
  position: absolute;
  inset: 0;
}

.hero-frames img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  filter: saturate(0.8) contrast(1.1) brightness(0.9) hue-rotate(-10deg);
  mix-blend-mode: screen;
  visibility: hidden;
  /* snap swap — no opacity transition */
}

.hero-frames[data-frame="0"] img:nth-child(1),
.hero-frames[data-frame="1"] img:nth-child(2),
.hero-frames[data-frame="2"] img:nth-child(3),
.hero-frames[data-frame="3"] img:nth-child(4),
.hero-frames[data-frame="4"] img:nth-child(5) {
  visibility: visible;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg-surface) 0%, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0) 70%, var(--bg-surface) 100%);
}

@media (max-width: 900px) {
  .hero {
    padding: var(--space-9) var(--space-4) var(--space-8);
  }

  .hero-visual {
    width: 100%;
    height: 60%;
    opacity: 0.35;
  }
}

/* ---------- Section commons ---------- */
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-5);
  color: var(--fg-on-surface);
}

.section-lead {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.55;
  max-width: 780px;
  color: var(--fg-muted-on-surface);
  margin: 0 0 var(--space-8);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}

.section-header .section-title {
  margin-bottom: 0;
}

/* ---------- About / cards ---------- */
.about {
  position: relative;
  z-index: 1;
  background: transparent;
  /* shared backdrop with .hero via fixed .hero-visual */
  padding: var(--space-10) 0;
}

.card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
/* 2-card row: full width, two equal columns */
.card-row.card-row-2 {
  grid-template-columns: repeat(2, 1fr);
  margin-top: var(--space-4);
}
@media (max-width: 700px) {
  .card-row.card-row-2 { grid-template-columns: 1fr; }
}

.card {
  background: #0a163f9c;       /* navy 61% — readable on dark hero backdrop */
  border: 2px solid var(--card-border);
  border-radius: 0;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 260px;
  transition: transform .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--horizon-cyan);
}

.card-tag {
  align-self: flex-start;
  background: var(--horizon-yellow);
  color: var(--horizon-black);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px 8px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.05;
  margin: 0;
  color: var(--fg-on-surface);
}

.card-body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--card-body);
  margin: 0 0 auto;
}

@media (max-width: 900px) {
  .card-row {
    grid-template-columns: 1fr;
  }

  .about {
    padding: var(--space-8) 0;
  }
}

/* ---------- Carousels (shared) ---------- */
.carousel {
  position: relative;
  /* full-bleed on sides: pad so cards align with .container */
}

.carousel-track {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding: var(--space-2) max(var(--space-7), calc((100vw - 1180px) / 2)) var(--space-7);
  cursor: grab;
  user-select: none; /* prevents text selection during drag */
}
.carousel-track:active {
  cursor: grabbing;
}
/* Block native image-drag inside carousel so pointer drag doesn't get hijacked */
.carousel-track img {
  -webkit-user-drag: none;
  user-drag: none;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-track:focus-visible {
  outline: 2px solid var(--horizon-cyan);
  outline-offset: -4px;
}

.carousel-slide {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

.carousel-controls {
  display: inline-flex;
  gap: 8px;
}

.carousel-btn {
  all: unset;
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--horizon-cyan);
  color: var(--horizon-cyan);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color .15s ease, color .15s ease;
}

.carousel-btn:hover {
  background: var(--horizon-cyan);
  color: var(--horizon-blue-ink);
}

.carousel-btn:focus-visible {
  outline: 2px solid var(--horizon-yellow);
  outline-offset: 2px;
}

.carousel-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ---------- Gallery (exoskeletons) ---------- */
.gallery {
  position: relative;
  z-index: 2;
  /* cover the fixed .hero-visual below */
  background: var(--bg-surface);
  padding: var(--space-10) 0 0;
}

.slide-exo {
  width: min(480px, 80vw);
}

.slide-exo figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.slide-img {
  aspect-ratio: 4 / 5;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid rgba(16, 32, 84, 0.12);
  position: relative;
  overflow: hidden;
}

.slide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder styling — huge numeral in Horizon blue, signature pattern */
.slide-img.placeholder::before {
  content: attr(data-placeholder);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(80px, 14vw, 180px);
  color: var(--horizon-cyan);
  opacity: 0.45;
  letter-spacing: -0.02em;
}

.slide-img.placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(86, 231, 250, 0.06) 0 1px, transparent 1px 4px),
    linear-gradient(135deg, rgba(86, 231, 250, 0.08), rgba(242, 236, 80, 0.04));
  pointer-events: none;
}

.slide-tag {
  display: inline-block;
  background: var(--horizon-yellow);
  color: var(--horizon-black);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 10px 6px;
  align-self: flex-start;
}

.slide-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.1;
  margin: 8px 0 4px;
  color: var(--fg-on-surface);
}

.slide-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--card-body);
  margin: 0;
}

/* ---------- Slide specs overlay (hover reveal) ---------- */
/* Fills the .slide-img, semi-opaque backdrop, 2x2 grid of big-number cells.
   Behavior: on pointer-capable devices, shown on hover of the slide-img.
   On touch, always visible in compact form so specs are still discoverable. */
.slide-specs {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: stretch;
  padding: var(--space-4);
  background: rgba(10, 22, 63, 0.88);       /* horizon-blue-ink @ 88% */
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease-out;
}
.spec-grid {
  display: grid;
  grid-template-columns: 1fr;       /* always one column = horizontal full-width rows */
  grid-auto-rows: 1fr;              /* auto-distribute N rows to equal height */
  gap: 2px;                         /* hairline divider via gap + cell bg */
  margin: 0;
  width: 100%; height: 100%;
  background: rgba(255, 255, 255, 0.12); /* shows through gap → thin line */
}
/* Variants kept for backward compat — now all behave identically (1 col × N rows). */
.spec-grid.spec-grid-2,
.spec-grid.spec-grid-features-3 { /* no override needed */ }
.spec-grid.spec-grid-features { list-style: none; padding: 0; }
.spec-grid-features .feature-cell {
  background: rgba(10, 22, 63, 0.95);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-4);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg-on-surface);
  text-align: left;
  hyphens: auto;
}
/* Small accent mark before each feature — keeps Horizon hard-edge feel */
.spec-grid-features .feature-cell::before {
  content: "→";
  color: var(--horizon-cyan);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1em;
  margin-right: var(--space-3);
  flex: 0 0 auto;
}
.spec-cell {
  background: rgba(10, 22, 63, 0.95);
  display: flex;
  flex-direction: row;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
}
.spec-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--horizon-cyan);
  margin: 0;
}
.spec-unit {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.55em;       /* unit slightly larger relative to smaller value */
  font-weight: 600;
  color: var(--fg-muted-on-surface);
  vertical-align: baseline;
}
.spec-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-on-surface);
  margin: 0;
}

/* Desktop (hover-capable devices): reveal on hover/focus of the slide-img */
@media (hover: hover) {
  .slide-img:hover .slide-specs,
  .slide-img:focus-within .slide-specs {
    opacity: 1;
  }
}

/* Touch devices: specs hidden by default, tap-to-toggle.
   JS adds `.is-active` to .slide-img on tap; second tap (or tap outside) removes it. */
.slide-img.is-active .slide-specs {
  opacity: 1;
  pointer-events: auto;
}
/* Add a subtle visual cue on touch — a small hint that the image is interactive */
@media (hover: none) {
  .slide-img::after {
    content: "+";
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    background: rgba(10, 22, 63, 0.85);
    color: var(--horizon-cyan);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    line-height: 1;
    pointer-events: none;
    transition: transform .2s ease, background .2s ease;
  }
  .slide-img.is-active::after {
    transform: rotate(45deg);  /* "+" → "×" indicates "close" */
    background: rgba(10, 22, 63, 0.95);
  }
}

/* ---------- Programma ---------- */
.programma {
  position: relative;
  z-index: 2;
  background: var(--horizon-blue-deep);
  color: var(--fg-on-surface);
  padding: var(--space-9) 0;
  border-top: 2px solid var(--horizon-black);
}
.programma .eyebrow {
  color: var(--horizon-cyan);
  margin-bottom: var(--space-3);
}
.programma .section-title {
  margin-bottom: var(--space-7);
}
.programma-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}
.programma-row {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr;
  gap: var(--space-7);
  align-items: start;
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.programma-row:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.programma-time {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--horizon-cyan);
  white-space: nowrap;
}
.programma-content { min-width: 0; }
.programma-item-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--horizon-white);
  margin: 0 0 var(--space-2);
}
.programma-desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-on-surface);
  margin: 0;
  opacity: 0.85;
  max-width: 60ch;
}
@media (max-width: 700px) {
  .programma-row { grid-template-columns: 1fr; gap: var(--space-2); }
  .programma-time { font-size: 16px; opacity: 0.85; }
}

/* ---------- Waitlist ---------- */
.waitlist {
  position: relative;
  z-index: 2;
  background: var(--waitlist-bg);
  padding: var(--space-10) 0;
  border-top: 2px solid var(--horizon-black);
  border-bottom: 2px solid var(--horizon-black);
}

.waitlist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.waitlist .eyebrow {
  color: var(--horizon-blue-ink);
}

.waitlist .section-title {
  color: var(--horizon-black);
  max-width: 520px;
}

.waitlist .section-lead {
  color: var(--horizon-blue-ink);
  opacity: 0.88;
  margin-bottom: var(--space-5);
}

.waitlist-register {
  margin-top: var(--space-2);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.input-pill {
  display: flex;
  align-items: center;
  background: var(--horizon-white);
  border-radius: var(--radius-pill);
  padding: 6px;
  border: 2px solid var(--horizon-black);
}

.input-pill input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--horizon-black);
  min-width: 0;
}

.input-pill input::placeholder {
  color: var(--horizon-gray-40);
}

.input-pill:focus-within {
  outline: 3px solid var(--horizon-teal);
  outline-offset: 2px;
}

.form-status {
  min-height: 1.4em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--horizon-blue-ink);
  margin: 0;
}

.form-status[data-state="error"] {
  color: var(--horizon-red);
}

.smallprint {
  font-size: 13px;
  line-height: 1.5;
  color: var(--horizon-blue-ink);
  opacity: 0.75;
  margin: var(--space-2) 0 0;
  max-width: 520px;
}

@media (max-width: 900px) {
  .waitlist-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ---------- Partners carousel ---------- */
.partners {
  position: relative;
  z-index: 2;
  background: var(--bg-alt);
  padding: var(--space-10) 0 var(--space-8);
}

.slide-partner {
  width: min(340px, 75vw);
}

/* Partners grid: 4 columns × 2 rows on desktop, collapses on narrower viewports.
   Used in place of the carousel — keeps the same <li> markup from renderPartners(),
   only the parent class & wrapper differ. */
.partners-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.partners-grid .slide-partner {
  width: auto;                /* override fixed carousel-slide width */
}
.partners-grid .partner-card {
  height: 100%;               /* uniform card heights row-by-row */
  min-height: 240px;
}
@media (max-width: 1100px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .partners-grid { grid-template-columns: 1fr; }
}

/* ---------- Featured section (Powered by + Main sponsor) ---------- */
.featured {
  position: relative;
  z-index: 2;
  padding: var(--space-6) 0 var(--space-7);
  background: transparent;       /* lets the fixed hero-visual show through */
}
.featured-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: stretch;
}
@media (max-width: 900px) {
  .featured-row { grid-template-columns: 1fr; }
}

/* Shared block used by both Powered by (Horizon) and Main sponsor (Artera) */
.main-sponsor {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(16, 32, 84, 0.12);
  padding: var(--space-5) var(--space-7) var(--space-5) var(--space-5);
  text-decoration: none;
  color: var(--horizon-ink);
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
  height: 100%;                  /* match heights inside featured-row */
}
.main-sponsor:hover,
.main-sponsor:focus-visible {
  border-color: var(--horizon-blue);
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px);
}
.main-sponsor:focus-visible {
  outline: 2px solid var(--horizon-yellow);
  outline-offset: 2px;
}
.main-sponsor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}
.main-sponsor-logo img {
  display: block;
  max-height: 120px;
  max-width: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
}
/* Wide / horizontal logos (e.g. Horizon featured PNG ~1.85:1): balanced ratio */
.main-sponsor[data-logo="wide"] .main-sponsor-logo img {
  max-height: 110px;
  max-width: 200px;
}
.main-sponsor-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}
.main-sponsor-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--horizon-blue);
}
.main-sponsor-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.01em;
  color: var(--horizon-blue-deep);
  margin: 0;
}
.main-sponsor-body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--horizon-ink);
  margin: 0;
  max-width: 50ch;
}
.main-sponsor-arrow {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--horizon-blue);
  opacity: 0.7;
  transition: opacity .2s ease, transform .2s ease;
}
.main-sponsor:hover .main-sponsor-arrow,
.main-sponsor:focus-visible .main-sponsor-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}
@media (max-width: 700px) {
  .main-sponsor {
    grid-template-columns: 1fr;
    padding: var(--space-5);
    text-align: center;
  }
  .main-sponsor-content { align-items: center; }
}

a.partner-card {
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid rgba(16, 32, 84, 0.12);
  padding: var(--space-6);
  min-height: 260px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--horizon-ink);
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}

a.partner-card:hover,
a.partner-card:focus-visible {
  border-color: var(--horizon-blue);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 1);
}

a.partner-card:focus-visible {
  outline: 2px solid var(--horizon-yellow);
  outline-offset: 2px;
}

.partner-card .partner-logo {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-bottom: 2px solid var(--horizon-blue);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.partner-card .partner-logo img {
  max-height: 48px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

/* Light card: original logos read naturally — inversion disabled */
.partner-card .partner-logo.invert-dark img {
  filter: none;
}

.partner-card .partner-logo .display-lg {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 36px);
  letter-spacing: -0.02em;
  color: var(--horizon-blue-deep);
}

.partner-ext-arrow {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--horizon-blue);
  opacity: 0.7;
  transition: opacity .2s ease, transform .2s ease;
}

a.partner-card:hover .partner-ext-arrow,
a.partner-card:focus-visible .partner-ext-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

.partner-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--horizon-blue-deep);
  margin: 0 0 var(--space-1);
}

.partner-role {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--horizon-blue);
  margin: 0;
}

.partner-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--horizon-ink);
  margin: 0;
}

.partners-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-7);
  border-top: 2px solid var(--border-on-surface);
  padding-top: var(--space-6);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}
.partners-footer .footer-block {
  flex: 1;                       /* both blocks share width equally */
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}
.partners-footer .footer-sponsor img,
.partners-footer .footer-sponsor .sponsor-wordmark {
  display: block;
  max-height: 56px;
  max-width: 180px;
  height: auto;
  width: auto;
  flex-shrink: 0;
}
.partners-footer .sponsor-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--horizon-cyan);
  letter-spacing: -0.01em;
}
.partners-footer .sponsor-link {
  position: relative;            /* anchor for the absolute arrow */
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  padding: var(--space-3) var(--space-6) var(--space-3) var(--space-4);
  text-decoration: none;
  transition: background .2s ease;
}
.partners-footer .sponsor-link:hover { background: rgba(255, 255, 255, 1); }
.partners-footer .sponsor-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.partners-footer .sponsor-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--horizon-blue-deep);
}
.partners-footer .sponsor-text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  color: var(--horizon-ink);
  max-width: 28ch;
}
.partners-footer .sponsor-arrow {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--horizon-blue);
  opacity: 0.7;
  transition: opacity .2s ease, transform .2s ease;
  line-height: 1;
}
.partners-footer .sponsor-link:hover .sponsor-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}
@media (max-width: 700px) {
  .partners-footer { flex-direction: column; align-items: flex-start; }
  .partners-footer .footer-block { width: 100%; }
}

.partners-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--fg-muted-on-surface);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.futureweek-link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 36px);
  color: var(--futureweek-color);
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

.futureweek-link:hover {
  color: var(--horizon-white);
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  background: var(--footer-bg);
  color: var(--fg-on-surface);
  padding: var(--space-8) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: var(--space-7);
  align-items: start;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.015em;
}

.footer-tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-stretch: 87.5%;
  font-size: 16px;
  margin-top: 4px;
  opacity: 0.8;
}

.footer-eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--horizon-cyan);
  margin: 0 0 var(--space-3);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-list a {
  color: var(--horizon-white);
  text-decoration: none;
  font-size: 14px;
}

.footer-list a:hover {
  color: var(--horizon-cyan);
  text-decoration: underline;
}

.footer-note {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.75;
}

.footer-rights {
  margin-top: var(--space-3);
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

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

  * {
    transition: none !important;
    animation: none !important;
  }
}