/* ===============================
   effects.css - bản nặng đô nhưng đàng hoàng
   Chỉ lo hiệu ứng, không phá layout gốc
   =============================== */

/* Tôn trọng người dùng không thích motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* 1. Page load: fade + slide lên + blur nhẹ (chỉ cho phần .page, không đụng modal) */
.page {
  opacity: 0;
  transform: translateY(10px);
  filter: blur(6px);
  animation: pageEnter 0.85s ease-out forwards;
}

@keyframes pageEnter {
  0% {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(8px);
  }
  60% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(1px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* 2. Hero: background glow động tạo cảm giác “cao cấp” */
.hero {
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 10% 0%, rgba(59,130,246,0.25), transparent 60%),
    radial-gradient(circle at 90% 0%, rgba(244,114,182,0.25), transparent 60%),
    radial-gradient(circle at 50% 100%, rgba(56,189,248,0.25), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.9;
  pointer-events: none;
  z-index: -1;
  animation: heroGlow 14s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate3d(-4%, 2%, 0) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate3d(4%, -3%, 0) scale(1.05);
    opacity: 1;
  }
  100% {
    transform: translate3d(0, 4%, 0) scale(1.03);
    opacity: 0.8;
  }
}

/* 3. Scroll reveal: mọi thứ chui lên mượt khi user kéo xuống */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  filter: blur(8px);
  transition:
    opacity 0.7s ease-out,
    transform 0.7s ease-out,
    filter 0.7s ease-out;
  will-change: opacity, transform, filter;
}

.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* delay nhẹ cho cảm giác xếp lớp */
.reveal.delay-1 {
  transition-delay: 0.08s;
}
.reveal.delay-2 {
  transition-delay: 0.16s;
}

/* 4. CTA: “thở” + vệt sáng chạy ngang */
.btn-primary,
#deal-continue-btn {
  position: relative;
  overflow: hidden;
  z-index: 0;
}

@keyframes ctaPulse {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 18px 45px rgba(8,47,73,0.9);
  }
  50% {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 26px 60px rgba(8,47,73,1);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 18px 45px rgba(8,47,73,0.9);
  }
}

/* CTA chính thở nhanh hơn */
.btn-primary {
  animation: ctaPulse 2.6s ease-in-out infinite;
}

/* CONFIRMO thở chậm hơn */
#deal-continue-btn {
  animation: ctaPulse 3.2s ease-in-out infinite;
}

/* Hover thì dừng pulse để user thấy mình đang điều khiển */
.btn-primary:hover,
#deal-continue-btn:hover {
  animation: none;
}

/* Shine chạy ngang */
.btn-primary::before,
#deal-continue-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(255,255,255,0.22),
    rgba(255,255,255,0.04),
    transparent
  );
  transform: translateX(-140%);
  pointer-events: none;
  z-index: -1;
  animation: buttonShine 3.6s ease-in-out infinite;
}

@keyframes buttonShine {
  0% {
    transform: translateX(-140%);
    opacity: 0;
  }
  35% {
    transform: translateX(0%);
    opacity: 1;
  }
  55% {
    transform: translateX(120%);
    opacity: 0.8;
  }
  100% {
    transform: translateX(140%);
    opacity: 0;
  }
}

/* 5. Làm gói 100k trong bảng pricing nổi bật hơn */
.pricing-table {
  position: relative;
}

/* Dòng nổi bật cho 100k */
.pricing-table tbody tr.row-featured {
  background:
    radial-gradient(circle at 0 0, rgba(56,189,248,0.16), rgba(15,23,42,0.98));
  box-shadow: 0 0 0 1px rgba(56,189,248,0.7);
  transform-origin: center;
  animation: featuredRow 5s ease-in-out infinite;
}

.pricing-table tbody tr.row-featured:hover {
  animation: none;
  transform: translateY(-1px) scale(1.01);
}

/* Badge MOST POPULAR nằm gọn trong ô */
.most-popular-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(34,197,94,0.16);
  border: 1px solid rgba(34,197,94,0.85);
  color: #bbf7d0;
  white-space: nowrap;
}


/* 6. Spotlight dưới phần deal calculator để kéo mắt xuống preview giá */
.deal-section {
  position: relative;
  overflow: hidden;
}

.deal-section::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(56,189,248,0.16), transparent 65%);
  filter: blur(2px);
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.9;
  pointer-events: none;
  z-index: -1;
  animation: spotlightMove 18s ease-in-out infinite alternate;
}

@keyframes spotlightMove {
  0% {
    transform: translate(-40%, -4%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, 4%) scale(1.1);
    opacity: 1;
  }
  100% {
    transform: translate(-60%, -2%) scale(1.05);
    opacity: 0.8;
  }
}

/* 7. Card quan trọng hơi "float" khi hover */
.hero-card,
.pricing-card,
.deal-panel,
.card,
.step,
.cta {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-card:hover,
.pricing-card:hover,
.deal-panel:hover,
.card:hover,
.step:hover,
.cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px rgba(0,0,0,0.9);
}

/* 8. Section title có gạch phát sáng */
.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: 0.35rem;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(to right, #22d3ee, #f97316, #a855f7);
  opacity: 0.9;
  transform-origin: left;
  animation: titleGlow 3.2s ease-in-out infinite;
}

@keyframes titleGlow {
  0% {
    transform: scaleX(0.4);
    opacity: 0.4;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
  100% {
    transform: scaleX(0.4);
    opacity: 0.4;
  }
}

/* 9. Highlight section khi nhảy tới anchor (#how, #pricing, ...) */
.section-highlight {
  box-shadow:
    0 0 0 1px rgba(56,189,248,0.7),
    0 0 40px rgba(56,189,248,0.5);
  border-radius: 20px;
  transition: box-shadow 0.5s ease-out;
}

.section-highlight-fade {
  animation: sectionHighlight 1.4s ease-out forwards;
}

@keyframes sectionHighlight {
  0% {
    box-shadow:
      0 0 0 1px rgba(56,189,248,0.9),
      0 0 40px rgba(56,189,248,0.7);
  }
  100% {
    box-shadow:
      0 0 0 0 rgba(56,189,248,0),
      0 0 0 rgba(56,189,248,0);
  }
}