/* =============================================================
   BASE  —  reset · tokens · typography
   ============================================================= */

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

html {
  scroll-behavior: smooth;
  width: 100%;
}

body {
  font-family: 'Poppins', sans-serif;
  background: #05070f;
  color: #fff;
  overflow-x: hidden;
  letter-spacing: 0.2px;
  line-height: 1.6;
  opacity: 0;
  transition: opacity 0.8s ease;
}

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

button {
  font-family: inherit;
  letter-spacing: 0.5px;
  cursor: pointer;
}

/* ── CSS Tokens ── */
:root {
  --blue:       #7aa2ff;
  --blue-dark:  #4f6bff;
  --blue-light: #9cb8ff;
  --pink:       #ff4d8d;
  --pink-light: #ff6b9d;
  --green:      #7CFF8A;
  --green-light:#95ffa0;
  --red:        #ff5a5f;
  --purple:     #a78bfa;

  --bg:         #05070f;
  --bg-card:    rgba(15, 20, 35, 0.4);
  --bg-card-hover: rgba(15, 20, 35, 0.6);
  --border:     rgba(255, 255, 255, 0.08);
  --border-hover: rgba(122, 162, 255, 0.3);

  --grad-brand: linear-gradient(90deg, var(--blue), var(--pink));
  --grad-card:  linear-gradient(135deg, #4f6bff, #a5b4ff);

  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  20px;
  --radius-xl:  22px;

  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);

  --section-pad: 100px 8%;
  --z-bg:    0;
  --z-base:  2;
  --z-nav:   1000;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-weight: 700;
}

p {
  opacity: 0.8;
  line-height: 1.6;
}

/* ── Gradient text utility ── */
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Highlighted letter — bouncing coloured letter (about/solutions/web3) ── */
.hl-blue {
  color: var(--blue);
  display: inline-block;
  animation: letterBounce 2.2s ease infinite;
  text-shadow: 0 0 28px rgba(122, 162, 255, 0.7);
}

.hl-pink {
  color: var(--pink);
  display: inline-block;
  animation: letterBounce 2.2s ease 0.4s infinite;
  text-shadow: 0 0 28px rgba(255, 77, 141, 0.7);
}

@keyframes letterBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}