@font-face {
  font-family: 'Hanken Grotesk';
  src: url('/assets/HankenGrotesk-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --dark: lab(17 36.43 -68.34);
  --darker: lab(11 32 -60);
  --white: #ffffff;
  --hydro: oklch(0.72 0.14 220);
  --regenerace: oklch(0.68 0.14 155);
  --krajiny: oklch(0.42 0.22 265);
  --prurezove: oklch(0.78 0.18 105);
  --border: #e2e8f0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  background: var(--dark);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Background effects ---- */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 25% 35%, oklch(0.72 0.14 220 / 0.10) 0%, transparent 70%),
    radial-gradient(ellipse 55% 45% at 75% 60%, oklch(0.68 0.14 155 / 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 60% 20%, oklch(0.38 0.28 265 / 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 15% 80%, oklch(0.78 0.18 105 / 0.04) 0%, transparent 60%);
}

.dot-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: radial-gradient(circle, oklch(1 0 0) 0.75px, transparent 0.75px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 80%);
}

.orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); will-change: transform; }
.orb-hydro { width: clamp(280px, 30vw, 500px); height: clamp(280px, 30vw, 500px); background: oklch(0.72 0.14 220 / 0.08); top: 10%; left: 55%; animation: orbFloat1 22s ease-in-out infinite; }
.orb-regenerace { width: clamp(240px, 25vw, 420px); height: clamp(240px, 25vw, 420px); background: oklch(0.68 0.14 155 / 0.06); bottom: 15%; right: 5%; animation: orbFloat2 26s ease-in-out infinite; }
.orb-enviro { width: clamp(180px, 18vw, 320px); height: clamp(180px, 18vw, 320px); background: oklch(0.78 0.18 105 / 0.04); top: 55%; left: 65%; animation: orbFloat3 20s ease-in-out infinite; }
.orb-krajiny { width: clamp(200px, 20vw, 360px); height: clamp(200px, 20vw, 360px); background: oklch(0.38 0.28 265 / 0.05); top: 20%; right: 10%; animation: orbFloat4 24s ease-in-out infinite; }

@keyframes orbFloat1 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(30px, -20px) scale(1.05); } 66% { transform: translate(-20px, 15px) scale(0.97); } }
@keyframes orbFloat2 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(-25px, 20px) scale(1.04); } 66% { transform: translate(15px, -25px) scale(0.96); } }
@keyframes orbFloat3 { 0%, 100% { transform: translate(0, 0) scale(1); } 40% { transform: translate(20px, 15px) scale(1.06); } 70% { transform: translate(-15px, -10px) scale(0.95); } }
@keyframes orbFloat4 { 0%, 100% { transform: translate(0, 0) scale(1); } 30% { transform: translate(-20px, -15px) scale(0.98); } 60% { transform: translate(25px, 10px) scale(1.03); } }

/* ---- Page layout ---- */
.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2rem);
}

/* ---- Top bar ---- */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 960px;
  margin-bottom: clamp(3rem, 8vw, 5rem);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.1s forwards;
}

.top-bar svg { height: 36px; width: auto; color: var(--white); }

.activity-icons { display: flex; gap: 0.5rem; }
.activity-icons svg { width: 24px; height: 24px; transition: transform 0.3s; }
.activity-icons svg:hover { transform: scale(1.15); }

/* ---- Hero section (two-column) ---- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 960px;
  width: 100%;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.hero-text {
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.25s forwards;
}

.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1.25rem;
}

.hero-overline-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hydro);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(135deg, oklch(0.82 0.19 155) 0%, oklch(0.90 0.22 130) 50%, oklch(0.85 0.20 105) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 400;
  margin-bottom: 2rem;
}

/* CTA button */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--white);
  color: var(--dark);
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 1.1rem 2.4rem;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 1.5rem;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
}

.cta:active { transform: translateY(0); }
.cta svg { width: 18px; height: 18px; transition: transform 0.2s; }
.cta:hover svg { transform: translateX(3px); }

/* Pill badges */
.pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
}

.pill svg { width: 13px; height: 13px; opacity: 0.5; }

/* Video thumbnail */
.hero-video {
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.4s forwards;
}

.video-thumbnail {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: none;
  padding: 0;
  font-family: inherit;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.video-thumbnail:hover img { transform: scale(1.04); }

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-button {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: rgba(100, 100, 100, 0.2);
  backdrop-filter: blur(1em);
  -webkit-backdrop-filter: blur(1em);
  border: 1px solid rgba(0, 191, 243, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(0, 191, 243, 0.15);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  color: #fff;
}

.video-thumbnail:hover .play-button {
  border-color: rgba(0, 191, 243, 0.5);
  box-shadow: 0 0 60px rgba(0, 191, 243, 0.25);
  transform: scale(1.08);
}

.video-label {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
}

/* ---- Details section ---- */
.details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 960px;
  width: 100%;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.detail-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(30px);
}

.detail-card.is-visible {
  animation: fadeUp 0.7s ease-out forwards;
}

.detail-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.detail-card-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-card-icon svg { width: 18px; height: 18px; }

.detail-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

.detail-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

/* Topic items with colored left border */
.topic-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.topic-item:last-child { border-bottom: none; }

.topic-bar {
  width: 3px;
  height: 100%;
  min-height: 1.2rem;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.topic-item p {
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

/* ---- Quote / social proof ---- */
.social-proof {
  max-width: 960px;
  width: 100%;
  margin-bottom: clamp(4rem, 8vw, 6rem);
  opacity: 0;
  transform: translateY(30px);
}

.social-proof.is-visible {
  animation: fadeUp 0.7s ease-out forwards;
}

.proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(0, 191, 243, 0.06) 0%, rgba(95, 183, 129, 0.04) 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  backdrop-filter: blur(12px);
}

.proof-stat {
  text-align: center;
  flex-shrink: 0;
}

.proof-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, oklch(0.82 0.19 155) 0%, oklch(0.90 0.22 130) 50%, oklch(0.85 0.20 105) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.proof-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
  margin-top: 0.25rem;
}

.proof-divider {
  width: 1px;
  height: 3.5rem;
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.proof-quote {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.6);
  font-style: italic;
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid rgba(0, 191, 243, 0.3);
}

/* ---- Second CTA ---- */
.bottom-cta {
  max-width: 960px;
  width: 100%;
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  opacity: 0;
  transform: translateY(30px);
}

.bottom-cta.is-visible {
  animation: fadeUp 0.7s ease-out forwards;
}

.bottom-cta h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.bottom-cta p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.75rem;
}

.cta-glow {
  position: relative;
}

.cta-glow::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--hydro), var(--regenerace), var(--prurezove));
  opacity: 0;
  z-index: -1;
  filter: blur(16px);
  transition: opacity 0.3s;
}

.cta-glow:hover::after { opacity: 0.4; }

/* ---- Footer ---- */
.mandatory-logos {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.7s forwards;
}

.mandatory-logos img {
  height: clamp(20px, 3.5vw, 30px);
  width: auto;
}

.attribution {
  margin-top: 1.5rem;
  text-align: center;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.8s forwards;
}

.attribution p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.6;
}

.attribution a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}

.attribution a:hover { color: var(--white); }

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  transition: color 0.2s, transform 0.2s;
}

.social-link:hover {
  color: var(--white);
  transform: scale(1.15);
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-video { order: -1; }

  .details {
    grid-template-columns: 1fr;
  }

  .proof-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .proof-divider {
    width: 60%;
    height: 1px;
  }

  .proof-quote {
    border-left: none;
    padding-left: 0;
    border-top: 2px solid rgba(0, 191, 243, 0.3);
    padding-top: 1rem;
  }

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

  .top-bar {
    flex-direction: column;
    gap: 1rem;
  }
}