/* ── Scroll progress bar ──────────────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--indigo), var(--indigo-light), #a78bff);
  z-index: 9999;
  pointer-events: none;
  transition: width 0.1s linear;
}

/* ── Scroll-triggered base states ─────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-scale {
  opacity: 0;
  transform: scale(0.94) translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-scale.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* ── Hero entrance ─────────────────────────────────────────────────────────── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Floating hero shapes ─────────────────────────────────────────────────── */
@keyframes floatA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-20px, 30px) scale(1.05); }
}

@keyframes floatB {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(15px, -25px); }
}

@keyframes floatC {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50%       { transform: translate(-10px, 20px) rotate(180deg); }
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Scroll indicator dot ─────────────────────────────────────────────────── */
@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ── Animated gradient text ───────────────────────────────────────────────── */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

/* ── Phone mockup float ───────────────────────────────────────────────────── */
@keyframes floatPhone {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

/* ── Logo dot pulse ───────────────────────────────────────────────────────── */
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.5); }
  50%       { box-shadow: 0 0 0 5px rgba(108, 99, 255, 0); }
}

/* ── Section divider grow ─────────────────────────────────────────────────── */
@keyframes growDivider {
  from { width: 0; }
  to   { width: 48px; }
}

.fade-up.visible .section-divider {
  animation: growDivider 0.5s ease 0.25s both;
}