:root {
  --ink: #101A2C;
  --ink-2: #1A2740;
  --paper: #EEF0F3;
  --card: #FAFBFC;
  --text: #1C2431;
  --dim: #5E6774;
  --on-ink: #E8EBF1;
  --on-ink-dim: #9AA6B7;
  --gold: #4F74AC;
  --gold-soft: rgba(79, 116, 172, 0.16);
  --sun: #8AA9D6;
  --line: rgba(28, 36, 49, 0.12);
  --line-ink: rgba(232, 235, 241, 0.13);
  --serif: "Jost", system-ui, sans-serif;
  --sans: "Jost", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;
  --container: 1120px;
  --pad: clamp(1.25rem, 5vw, 2.5rem);
  --sec: clamp(4.5rem, 9vw, 8rem);
}
#splash-screen {
  position: fixed;
  inset: 0;
  background: var(--paper);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.splash-logo {
  width: 400px;
  height: auto;
  transform-origin: top left;
  transition: transform 1s cubic-bezier(0.65, 0, 0.35, 1);
}
#splash-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    display: block;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.text_colour {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}

.on-ink .text_colour {
  color: var(--gold);
}
.top_spacing{
    margin-top: 100px;
}
/* ---------- SECTION SHELL ---------- */
.section {
  padding-block: var(--sec);
  scroll-margin-top: 80px;
}

.section--ink {
  background: var(--ink);
  color: var(--on-ink);
}

.section__head {
  max-width: 44rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.section__head .text_colour {
  display: block;
  margin-bottom: 1rem;
}

.section__head h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -.01em;
}

.section__head p {
  margin-top: 1.1rem;
  color: var(--dim);
  font-size: 1.08rem;
}

.section--ink .section__head p {
  color: var(--on-ink-dim);
}

/* ---------- BUTTONS ---------- */
.btn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: .95rem;
  padding: .8rem 1.4rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--gold);
  color: var(--card);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -10px rgba(79, 116, 172, .55);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.section--ink .btn--ghost {
  color: var(--on-ink);
  border-color: var(--line-ink);
}

.section--ink .btn--ghost:hover {
  border-color: var(--on-ink);
  color: var(--on-ink);
}

.btn--dark {
  background: var(--ink);
  color: var(--on-ink);
}

.btn--dark:hover {
  transform: translateY(-2px);
  background: var(--ink-2);
}

/* ---------- ENTRANCE ANIMATION ---------- */
.rise {
  opacity: 0;
  transform: translateY(14px);
  animation: rise .7s cubic-bezier(.2, .7, .3, 1) forwards;
}

.d1 { animation-delay: .05s; }
.d2 { animation-delay: .15s; }
.d3 { animation-delay: .25s; }
.d4 { animation-delay: .35s; }
.d5 { animation-delay: .45s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes splashPulse {
  from { transform: scale(0.95); opacity: 0.75; }
  to   { transform: scale(1.05); opacity: 1; }
}
@media(prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { animation: none; opacity: 1; transform: none; }
  * { transition: none !important; }
}