/* ============ CUSTOM PROPERTIES ============ */
:root {
  --ink-950: #040f0f;
  --ink-900: #061d1d;
  --ink-850: #082525;
  --ink-800: #0a2e2e;
  --ink-700: #0e3a37;
  --mint-300: #6df5c8;
  --mint-400: #3df0b5;
  --mint-500: #14e89c;
  --mint-600: #0bc787;
  --mint-700: #0a9a6b;
  --mint-glow: rgba(20, 232, 156, 0.4);
  --mint-subtle: rgba(20, 232, 156, 0.08);
  --glass: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-light: rgba(255, 255, 255, 0.08);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { background: var(--ink-950); color: #fff; overflow-x: hidden; }
html.lenis { height: auto; }
html.lenis.lenis-smooth { scroll-behavior: auto !important; }
html.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
html.lenis.lenis-stopped { overflow: clip; }
body { font-family: var(--font-sans); font-feature-settings: 'ss01', 'cv11', 'tnum'; line-height: 1.65; }
::selection { background: rgba(20, 232, 156, 0.4); color: #fff; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--ink-950); }
::-webkit-scrollbar-thumb { background: var(--ink-700); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--mint-500); }

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; color: #fff; }
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; font-weight: 700; }
p { font-size: 1.05rem; color: rgba(255, 255, 255, 0.78); max-width: 60ch; }

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}
.label-mint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint-500);
}
.em-rule {
  display: inline-block; vertical-align: middle;
  width: 28px; height: 1px; background: currentColor;
  margin-right: 12px;
}

/* ============ GRADIENT MESH BACKGROUND ============ */
.gradient-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(800px 500px at 80% 20%, rgba(20, 232, 156, 0.18), transparent 60%),
    radial-gradient(700px 600px at 10% 60%, rgba(20, 232, 156, 0.12), transparent 65%),
    radial-gradient(600px 400px at 50% 90%, rgba(11, 199, 135, 0.08), transparent 70%),
    linear-gradient(180deg, #061d1d 0%, #082525 30%, #050f0f 70%, #040c0c 100%);
  will-change: transform;
}
.gradient-mesh::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 110% 80% at 50% 50%, black 30%, transparent 100%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ CUSTOM CURSOR ============ */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 40px; height: 40px;
  border: 1px solid rgba(20, 232, 156, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  margin: -20px 0 0 -20px;
  transition: width 0.3s, height 0.3s, margin 0.3s, background 0.3s, border-color 0.3s;
  mix-blend-mode: difference;
}
.cursor-dot {
  position: fixed; top: 0; left: 0;
  width: 6px; height: 6px;
  background: var(--mint-500);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  margin: -3px 0 0 -3px;
  transition: width 0.3s, height 0.3s, margin 0.3s, background 0.3s;
}
.cursor.hover {
  width: 80px; height: 80px;
  margin: -40px 0 0 -40px;
  background: rgba(20, 232, 156, 0.1);
  border-color: rgba(20, 232, 156, 0.8);
}
@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor, .cursor-dot { display: none; }
}
@media (min-width: 769px) {
  body { cursor: none; }
}

/* ============ NAVIGATION ============ */
nav.fixed-nav {
  position: fixed;
  top: 0; inset-inline: 0;
  width: 100%;
  padding: 20px 48px;
  z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}
nav.fixed-nav.scrolled {
  padding: 12px 48px;
  background: rgba(4, 15, 15, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-logo {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  transition: opacity 0.3s;
}
.nav-logo:hover { opacity: 0.8; }
.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links-desktop a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}
.nav-links-desktop a:hover,
.nav-links-desktop a.active { color: var(--mint-500); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang-toggle {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}
.lang-toggle:hover {
  background: rgba(20, 232, 156, 0.1);
  border-color: rgba(20, 232, 156, 0.3);
  color: var(--mint-500);
}

/* ============ CTA BUTTON ============ */
.cta-button {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  background: var(--mint-500);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 12px;
  border-radius: 4px;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.cta-button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateX(-100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.cta-button:hover::after { transform: translateX(0); }
.cta-button > * { position: relative; z-index: 1; }
.cta-button:hover { color: var(--ink-900); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  border: 1px solid rgba(255,255,255,0.15);
  background: transparent;
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 12px;
  border-radius: 4px;
  transition: all 0.4s;
  cursor: pointer;
}
.btn-outline:hover {
  border-color: rgba(20, 232, 156, 0.4);
  color: var(--mint-500);
}

/* ============ MAGNETIC ============ */
.magnetic { transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

/* ============ FADE-UP REVEAL ============ */
.fade-up { opacity: 0; transform: translateY(40px); will-change: transform, opacity; }

/* ============ FOOTER ============ */
.site-footer {
  padding: 40px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}
.footer-inner span, .footer-inner a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.footer-link { transition: color 0.3s; }
.footer-link:hover { color: var(--mint-500); }

/* ============ HAMBURGER (MOBILE) ============ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 101;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  backdrop-filter: blur(4px);
}
.mobile-overlay.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/* ============ MOBILE NAV ============ */
@media (max-width: 768px) {
  nav.fixed-nav { padding: 16px 24px; }
  nav.fixed-nav.scrolled { padding: 10px 24px; }

  .nav-links-desktop {
    position: fixed;
    top: 0; right: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--ink-950);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.4s;
    box-shadow: -10px 0 50px rgba(0,0,0,0.4);
    border-left: 1px solid var(--glass-border);
    z-index: 99;
  }
  .nav-links-desktop.open { transform: translateX(0); }
  .nav-links-desktop a { font-size: 14px; color: rgba(255,255,255,0.7); }
  .hamburger { display: flex; }
  .nav-cta-desktop { display: none; }

  .site-footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1 !important; transform: none !important; }
  .cursor, .cursor-dot { display: none !important; }
  body { cursor: auto !important; }
}