/* ═══════════════════════════════════════════
   OWN360 EFFECTS — Sharp, geometric, light
═══════════════════════════════════════════ */

/* ── Keyframes ── */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes scale-in {
  from { transform: scale(0.97); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ── Scroll Reveal ── */

.reveal-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-reveal) var(--ease-out-expo),
              transform var(--duration-reveal) var(--ease-out-expo);
}

.reveal-up.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger */
.stagger > .reveal-up:nth-child(1) { transition-delay: 0s; }
.stagger > .reveal-up:nth-child(2) { transition-delay: 0.06s; }
.stagger > .reveal-up:nth-child(3) { transition-delay: 0.12s; }
.stagger > .reveal-up:nth-child(4) { transition-delay: 0.18s; }
.stagger > .reveal-up:nth-child(5) { transition-delay: 0.24s; }
.stagger > .reveal-up:nth-child(6) { transition-delay: 0.3s; }
.stagger > .reveal-up:nth-child(7) { transition-delay: 0.36s; }
.stagger > .reveal-up:nth-child(8) { transition-delay: 0.42s; }

/* ── Gradient Text ── */

.gradient-text {
  background: var(--gradient-hero);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease infinite;
}

.gradient-text-static {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Sharp Card ── */

.sharp-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  transition: border-color var(--duration-normal) ease,
              box-shadow var(--duration-normal) ease;
}

.sharp-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.btn--primary:hover {
  background: #333;
}

.btn--gradient {
  background: var(--gradient-cta);
  background-size: var(--gradient-cta-size);
  color: #fff;
  font-weight: 600;
  border-radius: 20px;
  padding: 14px 32px;
  transition: background-size 0.3s ease, box-shadow 0.3s ease;
}

.btn--gradient:hover {
  --gradient-cta-size: 140%;
  box-shadow: 0 4px 20px rgba(75,114,254,0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn--lg {
  padding: 14px 32px;
  font-size: 15px;
}

/* ── Page Load Animations ── */

.anim-fade {
  opacity: 0;
  animation: animFadeIn 0.6s var(--ease-out-expo) forwards;
}

.anim-slide-up {
  opacity: 0;
  transform: translateY(24px);
  animation: animSlideUp 0.7s var(--ease-out-expo) forwards;
}

.anim-slide-right {
  opacity: 0;
  transform: translateX(-20px);
  animation: animSlideRight 0.6s var(--ease-out-expo) forwards;
}

.anim-delay-1 { animation-delay: 0.15s; }
.anim-delay-2 { animation-delay: 0.3s; }
.anim-delay-3 { animation-delay: 0.45s; }
.anim-delay-4 { animation-delay: 0.6s; }

@keyframes animFadeIn {
  to { opacity: 1; }
}

@keyframes animSlideUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes animSlideRight {
  to { opacity: 1; transform: translateX(0); }
}

/* ── Hover lift ── */

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ── Animated underline ── */

.anim-underline {
  position: relative;
  display: inline;
}

.anim-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width 0.4s var(--ease-out-expo);
}

.anim-underline:hover::after,
.anim-underline.is-visible::after {
  width: 100%;
}

/* ── Count-up number ── */

.count-up {
  font-variant-numeric: tabular-nums;
}

/* ── Divider ── */

.gradient-divider {
  height: 2px;
  background: var(--gradient-hero);
  border: none;
}

/* ── Dark Section Text Overrides ── */

.dark-section {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.dark-section .section-label { color: var(--text-on-dark-secondary); }
.dark-section .section-title { color: var(--text-on-dark); }
.dark-section p { color: var(--text-on-dark-secondary); }
.dark-section .sharp-card {
  background: var(--bg-dark-surface);
  border-color: var(--border-dark);
}
.dark-section .sharp-card:hover {
  border-color: rgba(255,255,255,0.2);
}