/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #ffffff;
  --white-90: rgba(255, 255, 255, 0.92);
  --white-70: rgba(255, 255, 255, 0.7);
  --white-50: rgba(255, 255, 255, 0.5);
  --white-35: rgba(255, 255, 255, 0.35);
  --white-20: rgba(255, 255, 255, 0.2);
  --white-12: rgba(255, 255, 255, 0.12);
  --white-08: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-blur: 14px;
  --deep: #0c1020;
  --deep-blue: rgba(12, 16, 40, 0.92);
  --purple-tint: rgba(30, 20, 60, 0.75);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --bottom-pad: clamp(2rem, 5vw, 3.5rem);
  --side-pad: clamp(1.75rem, 5vw, 4rem);
}

html { font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--white);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ── Page Loader ── */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--deep);
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}
.page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-ring {
  width: 40px; height: 40px;
  border: 1.5px solid var(--white-12);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.loader-text {
  margin-top: 0.85rem;
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--white-35);
}

/* ── Background ── */
.bg-layer {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
}

.bg-image {
  position: absolute; inset: -6%;
  background: url('assets/bg.jpg') center / cover no-repeat;
  animation: kenBurns 30s ease-in-out infinite alternate;
  will-change: transform;
}

.bg-vignette {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(8, 12, 28, 0.15) 0%,
      rgba(8, 12, 28, 0.05) 35%,
      rgba(8, 12, 28, 0.45) 65%,
      rgba(10, 14, 38, 0.88) 85%,
      rgba(8, 10, 28, 0.96) 100%
    ),
    linear-gradient(135deg,
      rgba(20, 30, 70, 0.25) 0%,
      transparent 50%,
      rgba(40, 20, 70, 0.2) 100%
    );
}

.bg-grain {
  position: absolute; inset: 0; opacity: 0.035; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Glass ── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* ── Navigation ── */
.nav-wrapper {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: center;
  padding: 1.5rem var(--side-pad);
  transform: translateY(-120%);
  animation: navDrop 1s var(--ease-out) 0.4s forwards;
}

.nav {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.5rem 0.45rem 0.65rem;
  border-radius: 999px;
  max-width: fit-content;
}

.nav-logo {
  display: flex; align-items: center;
  text-decoration: none; color: var(--white);
  padding-right: 0.25rem;
}

.logo-mark {
  display: grid; place-items: center;
  width: 28px; height: 28px;
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.04em;
  border-radius: 50%;
  background: var(--white-12);
  border: 1px solid var(--white-20);
}

.nav-links {
  display: flex; align-items: center;
  list-style: none;
}

.nav-link {
  background: none; border: none; cursor: pointer;
  font-family: var(--font); font-size: 0.78rem; font-weight: 400;
  color: var(--white-70);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.3s, background 0.3s;
}
.nav-link:hover { color: var(--white); background: var(--white-08); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: var(--white);
  transition: transform 0.3s;
}
.nav-toggle.open span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle.open span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* ── Bottom Zone (main layout) ── */
.bottom-zone {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  min-height: auto;
}

/* Blur layer — frosted glass behind all bottom text */
.bottom-blur {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  mask-image: linear-gradient(to top, black 55%, transparent 100%);
  -webkit-mask-image: linear-gradient(to top, black 55%, transparent 100%);
  pointer-events: none;
}

/* Extra dark blue/purple gradient for contrast */
.bottom-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(8, 10, 32, 0.95) 0%,
    rgba(12, 16, 48, 0.72) 35%,
    rgba(18, 14, 52, 0.35) 65%,
    transparent 100%
  );
  pointer-events: none;
}

.bottom-content {
  position: relative;
  z-index: 1;
  padding: 2.5rem var(--side-pad) var(--bottom-pad);
}

/* Two-column asymmetric grid */
.bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: clamp(2rem, 6vw, 5rem);
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

/* ── Left: Headline ── */
.bottom-left {
  align-self: end;
}

.headline {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.subheadline {
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--white-50);
  letter-spacing: -0.01em;
}

/* ── Right: CTA + paragraphs ── */
.bottom-right {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.75rem;
  max-width: 420px;
  justify-self: end;
}

.cta-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.55rem 1.35rem;
  font-family: var(--font);
  font-size: 0.78rem; font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--white-35);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.35s, border-color 0.35s, transform 0.3s var(--ease-spring);
}
.cta-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--white-70);
  transform: translateY(-1px);
}

.cta-btn-solid {
  background: var(--white);
  border-color: var(--white);
  color: var(--deep);
  backdrop-filter: none;
}
.cta-btn-solid:hover {
  background: var(--white-90);
}

.desc-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.desc-block p {
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--white-90);
  text-align: left;
}

/* ── Divider ── */
.bottom-divider {
  width: 100%;
  height: 1px;
  background: var(--white-12);
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

/* ── Footer row ── */
.footer-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.footer-left {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--white-35);
  justify-self: start;
}

.footer-center {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--white-35);
  justify-self: center;
  white-space: nowrap;
}

.footer-right {
  justify-self: end;
  display: flex; align-items: center;
}

.footer-icon {
  width: 14px; height: 14px;
  color: var(--white-35);
  opacity: 0.7;
}

/* ── Entrance Animations ── */
.animate-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.animate-item.from-left { transform: translateX(-30px); }
.animate-item.from-right { transform: translateX(30px); }
.animate-item.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── Info Panel ── */
.panel-overlay,
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 10, 28, 0.65);
  backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}
.panel-overlay.active,
.modal-overlay.active { opacity: 1; visibility: visible; }

.info-panel {
  position: fixed; top: 50%; right: -520px;
  transform: translateY(-50%);
  z-index: 210;
  width: min(480px, 90vw);
  max-height: 80dvh;
  padding: 2rem 2.25rem;
  border-radius: 16px;
  overflow-y: auto;
  transition: right 0.55s var(--ease-out);
}
.info-panel.active { right: 2rem; }

.panel-close,
.modal-close {
  position: absolute; top: 1rem; right: 1.25rem;
  background: none; border: none;
  font-size: 1.5rem; color: var(--white-50);
  cursor: pointer; line-height: 1;
  transition: color 0.3s, transform 0.3s;
}
.panel-close:hover,
.modal-close:hover { color: var(--white); transform: rotate(90deg); }

.panel-title {
  font-size: 1.25rem; font-weight: 600;
  margin-bottom: 1rem; padding-right: 2rem;
}

.panel-body {
  font-size: 0.85rem; font-weight: 400;
  line-height: 1.75; color: var(--white-70);
}
.panel-body h3 {
  font-size: 0.8rem; font-weight: 600;
  color: var(--white-90);
  margin: 1.1rem 0 0.4rem;
}
.panel-body h3:first-child { margin-top: 0; }
.panel-body ul { padding-left: 1.15rem; margin-top: 0.4rem; }
.panel-body li { margin-bottom: 0.35rem; }

/* ── Modal ── */
.modal {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  z-index: 210;
  width: min(420px, 90vw);
  padding: 2.25rem 2rem;
  border-radius: 16px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s, transform 0.45s var(--ease-spring);
}
.modal.active {
  opacity: 1; visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-title {
  font-size: 1.35rem; font-weight: 600;
  margin-bottom: 0.65rem;
}

.modal-desc {
  font-size: 0.85rem; font-weight: 400;
  line-height: 1.7; color: var(--white-70);
  margin-bottom: 1.25rem;
}

.notify-form {
  display: flex; flex-direction: column; gap: 0.65rem;
}

.notify-form input {
  font-family: var(--font); font-size: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--white-12);
  background: var(--white-08);
  color: var(--white);
  outline: none;
  transition: border-color 0.3s;
}
.notify-form input::placeholder { color: var(--white-35); }
.notify-form input:focus { border-color: var(--white-35); }

.form-msg {
  margin-top: 0.65rem;
  font-size: 0.8rem; text-align: center;
  min-height: 1.2rem; color: #6ee7a0;
}

/* ── Keyframes ── */
@keyframes kenBurns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.1) translate(-1%, -0.5%); }
}

@keyframes navDrop {
  to { transform: translateY(0); }
}

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

/* ── Responsive ── */
@media (max-width: 860px) {
  .bottom-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .bottom-right {
    max-width: 100%;
    justify-self: start;
  }

  .footer-row {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0.4rem;
  }

  .footer-left,
  .footer-center,
  .footer-right {
    justify-self: center;
  }

  .info-panel.active {
    right: 50%;
    transform: translate(50%, -50%);
  }
}

@media (max-width: 600px) {
  .nav-wrapper {
    padding: 1rem;
    justify-content: stretch;
  }

  .nav {
    width: 100%;
    max-width: 100%;
    justify-content: space-between;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0; right: 0;
    flex-direction: column;
    padding: 0.5rem;
    border-radius: 14px;
    background: rgba(10, 12, 30, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    opacity: 0; visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  }
  .nav-links.open {
    opacity: 1; visibility: visible;
    transform: translateY(0);
  }
  .nav-link { width: 100%; text-align: center; }

  .bottom-content {
    padding-bottom: 1.75rem;
  }

  .headline {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }

  .info-panel.active {
    right: 50%; top: auto; bottom: 1rem;
    transform: translateX(50%);
    max-height: 70dvh;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .bg-image { animation: none; }
}