/* ===================================================================
   SK Rajons — cinematic landing page
   =================================================================== */

:root {
  --bg: #07070a;
  --bg-soft: #0d0e14;
  --bg-panel: #101118;
  --ink: #f4f4f0;
  --ink-dim: #a6a7b3;
  --ink-faint: #6d6e7a;

  --accent: #d4ff3f;      /* neon lime */
  --accent-ink: #0a0c05;
  --accent-2: #7c5cff;    /* violet beam */
  --accent-3: #ff3f8f;    /* magenta beam */
  --accent-4: #2fd9ff;    /* cyan */

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);

  --container: 1180px;
  --gutter: clamp(20px, 6vw, 64px);

  --ease: cubic-bezier(.16, 1, .3, 1);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

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

/* ---------- Grain texture ---------- */
.grain {
  position: fixed;
  inset: -100px;
  z-index: 300;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 1.4s steps(3) infinite;
}
@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(-2%, 1%); }
  66%  { transform: translate(1%, -2%); }
  100% { transform: translate(0, 0); }
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 250;
  background: rgba(255,255,255,0.06);
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent), var(--accent-3));
  transition: width 0.05s linear;
}

/* ---------- Nav ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 18px var(--gutter);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), padding 0.4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  padding: 12px var(--gutter);
  background: rgba(7, 7, 10, 0.6);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: rgba(255,255,255,0.08);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 32px);
  font-size: 14px;
  font-weight: 600;
}
.nav-links a { opacity: 0.85; transition: opacity 0.25s; position: relative; }
.nav-links a:hover { opacity: 1; }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink) !important;
  opacity: 1 !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 22px;
  justify-content: center;
  z-index: 210;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= HERO ================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, #14141f 0%, transparent 60%),
    linear-gradient(180deg, #0a0a0f 0%, #07070a 60%, #050506 100%);
}

#particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.beam {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  z-index: 1;
  mix-blend-mode: screen;
  will-change: transform;
}
.beam-1 {
  width: 60vw; height: 60vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  top: -15%; left: -10%;
}
.beam-2 {
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, var(--accent-3), transparent 70%);
  bottom: -20%; right: -10%;
}
.beam-3 {
  width: 40vw; height: 40vw;
  max-width: 500px; max-height: 500px;
  background: radial-gradient(circle, var(--accent-4), transparent 70%);
  top: 30%; right: 20%;
  opacity: 0.25;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, transparent 0%, rgba(5,5,7,0.55) 75%, rgba(5,5,7,0.92) 100%),
    linear-gradient(180deg, rgba(5,5,7,0.35) 0%, transparent 20%, transparent 70%, rgba(5,5,7,0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 0 var(--gutter);
  max-width: 1200px;
  width: 100%;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 13vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  white-space: nowrap;
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 40%, #c9cad6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 80px rgba(212,255,63,0.15);
}

.hero-subtitle {
  margin: 26px auto 0;
  max-width: 560px;
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  font-weight: 500;
  color: var(--ink-dim);
}

.hero-cta {
  margin-top: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-cue-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--ink-dim) 40%, transparent);
  overflow: hidden;
  position: relative;
}
.scroll-cue-line::after {
  content: "";
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--accent));
  animation: cueDrop 2.2s ease-in-out infinite;
}
@keyframes cueDrop {
  0% { top: -40px; }
  60%, 100% { top: 40px; }
}
.scroll-cue-text {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0 0 0 rgba(212,255,63,0.5);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px -10px rgba(212,255,63,0.55);
}

.btn-outline {
  background: rgba(255,255,255,0.04);
  color: var(--ink);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn.large { padding: 18px 40px; font-size: 16px; }

/* ================= PANELS (general) ================= */
.panel {
  position: relative;
  padding: clamp(80px, 14vw, 160px) 0;
  overflow: hidden;
}
.panel-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 3;
}

.panel-glow {
  position: absolute;
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.16;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  top: -20%;
  right: -20%;
  z-index: 1;
  pointer-events: none;
}
.panel-glow-alt {
  background: radial-gradient(circle, var(--accent-3), transparent 70%);
  left: -20%;
  right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
}
.section-tag::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 12px var(--accent);
}

.split-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 15ch;
}

.about .split-heading, .join .split-heading, .donate .split-heading { max-width: 17ch; }

.lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--ink);
  margin-top: 28px;
  max-width: 42ch;
}
.lead-wide { max-width: 60ch; }

.body-text {
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 62ch;
  line-height: 1.7;
}

.about-grid {
  margin-top: 8px;
  display: grid;
  gap: 4px;
}

/* ================= ACTIVITIES ================= */
.card-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tile {
  position: relative;
  padding: 30px 24px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), background 0.45s var(--ease);
  will-change: transform;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(212,255,63,0), rgba(212,255,63,0));
  transition: background 0.45s var(--ease);
  pointer-events: none;
}
.tile:hover {
  transform: translateY(-8px);
  border-color: rgba(212,255,63,0.35);
  background: rgba(255,255,255,0.07);
}
.tile-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 18px;
  filter: drop-shadow(0 0 14px rgba(212,255,63,0.35));
  transition: transform 0.45s var(--ease);
}
.tile:hover .tile-icon { transform: scale(1.1) rotate(-4deg); }
.tile h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.tile p {
  font-size: 0.92rem;
  color: var(--ink-dim);
  line-height: 1.5;
}

/* ================= JOIN ================= */
.join-inner { text-align: left; }
.join { text-align: left; }

/* ================= DONATE ================= */
.donate-card {
  margin-top: 40px;
  max-width: 560px;
  padding: 36px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.glass {
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
}
.donate-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}
.donate-row:last-of-type { border-bottom: none; padding-bottom: 0; }
.donate-label {
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.donate-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: right;
}
.donate-iban {
  font-family: "Manrope", monospace;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.copy-btn {
  margin-top: 4px;
  justify-content: center;
  width: 100%;
}
.copy-btn svg { width: 18px; height: 18px; }
.copy-btn.copied {
  border-color: var(--accent);
  color: var(--accent);
}

/* ================= FOOTER ================= */
.site-footer {
  position: relative;
  padding: 64px var(--gutter) 0;
  background: var(--bg-soft);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 40px;
}
.footer-brand p {
  margin-top: 10px;
  color: var(--ink-faint);
  font-size: 0.9rem;
}
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-weight: 600;
  font-size: 0.95rem;
}
.footer-links a { position: relative; opacity: 0.85; transition: opacity 0.25s, color 0.25s; }
.footer-links a:hover { opacity: 1; color: var(--accent); }

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px var(--gutter, 0) 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--ink-faint);
}

/* ================= Reveal animation base states ================= */
[data-reveal], [data-reveal-chars], [data-split] {
  opacity: 0;
}

/* ================= Responsive ================= */
@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    inset: 0;
    top: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    font-size: 22px;
    background: rgba(7,7,10,0.98);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    z-index: 205;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .nav-cta { padding: 12px 26px; }

  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; justify-content: center; }

  .card-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .tile { padding: 22px 18px; }

  .donate-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .donate-value { text-align: left; }

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

@media (max-width: 460px) {
  .card-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}