/* index.php page-specific styles */

/* 아코디언 슬라이딩 애니메이션 성능 기기 가속 */
.hero-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  opacity: 0;
}

/* 원형 애니메이션 회전 프레임 */
@keyframes spinCircle {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.rotating-border-dash {
  animation: spinCircle 15s linear infinite;
}

/* 유튜브 비디오 모노톤 래퍼용 비율 세팅 */
.embed-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  border-radius: 1.5rem;
}
.embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* 메뉴 트리 롤링 애니메이션 */
@keyframes menuPopIn {
  0%, 15% { opacity: 0; transform: translateY(-10px); max-height: 0; padding: 0; margin-top: 0; border-width: 0; }
  25%, 85% { opacity: 1; transform: translateY(0); max-height: 50px; padding: 8px 12px; margin-top: 4px; border-width: 1px; }
  100% { opacity: 0; transform: translateY(-10px); max-height: 0; padding: 0; margin-top: 0; border-width: 0; }
}
.auto-menu-append-anim {
  animation: menuPopIn 6s infinite ease-in-out;
}

/* 20대 핵심 솔루션 카드 모노톤 호버 모션 */
.module-monotone-card {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.module-monotone-card:hover {
  transform: translateY(-4px);
  border-color: #0f172a;
  background-color: #f8fafc;
}

/* 제작 예시 카드 이미지 줌 및 오버레이 효과 */
.portfolio-card img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover img {
  transform: scale(1.05);
}
.portfolio-card {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover {
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
}

/* GEO 검색 마크업 데이터 노드 그물망 순수 CSS 애니메이션 */
@keyframes geoPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.15); opacity: 1; }
}
.geo-node-pulse {
  animation: geoPulse 3s infinite ease-in-out;
}

/* FAQ 아코디언 슬라이드 가속 */
.faq-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  opacity: 0;
}

/* ==========================================================================
   AI 검색엔진 & 포털 최적화 (SEO/GEO) 섹션 전용 비주얼 스타일
   ========================================================================== */

/* AI 검색엔진 입력창 커스텀 타이핑 효과 */
@keyframes typingEffect {
  0%, 10% { width: 0; }
  45%, 85% { width: 100%; }
  95%, 100% { width: 0; }
}
@keyframes blinkCursor {
  50% { border-color: transparent; }
}

.search-typing-text {
  display: inline-block;
  overflow: hidden;
  border-right: 2px solid #0f172a;
  white-space: nowrap;
  animation: typingEffect 7s steps(22, end) infinite, blinkCursor 0.75s step-end infinite;
}

/* 데이터 흐름 애니메이션 */
@keyframes flowLine {
  0% { stroke-dashoffset: 24; }
  100% { stroke-dashoffset: 0; }
}
.animated-flow-line {
  stroke-dasharray: 8, 4;
  animation: flowLine 1.5s linear infinite;
}

/* 펄스 애니메이션 */
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { transform: scale(1.03); opacity: 1; box-shadow: 0 0 16px 6px rgba(16, 185, 129, 0.2); }
}
.glow-pulse-active {
  animation: glowPulse 2.5s infinite ease-in-out;
}

/* ==========================================================================
   programs.php page-specific styles
   ========================================================================== */

/* 붕 뜨는 미학적 3D 레이어드 그림자 효과 및 마우스 오버/아웃 트랜지션 */
.premium-float-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 1.5rem;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.01);
}

.premium-float-card:hover {
  transform: translateY(-16px);
  border-color: #cbd5e1;
  box-shadow: 0 40px 80px -15px rgba(15, 23, 42, 0.12), 0 10px 30px -10px rgba(15, 23, 42, 0.03);
  background-color: #fafafa;
}

/* 아이콘 프레임 연한 배경 제어 효과 */
.icon-container {
  background-color: #f8fafc;
  color: #0f172a;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-float-card:hover .icon-container {
  background-color: #f1f5f9;
  color: #000000;
  transform: scale(1.08) rotate(1deg);
}

/* 메인 오라 그라데이션 광채 */
.premium-blueprint-aura {
  background: radial-gradient(circle, rgba(241,245,249,0.9) 0%, rgba(255,255,255,0) 80%);
}

/* 설계도(Blueprint) 테마용 그리드 배경 */
.blueprint-grid {
  background-size: 24px 24px;
  background-image: linear-gradient(to right, #f1f5f9 1px, transparent 1px),
                    linear-gradient(to bottom, #f1f5f9 1px, transparent 1px);
}

/* ==========================================================================
   programs.php 및 index.php 포트폴리오 카드 공통 UI Mockup 호버 효과
   ========================================================================== */

.portfolio-card {
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.08);
}

/* 내포된 흰색 Mockup 상자 트랜지션 */
.mockup-inner {
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center bottom;
}

.portfolio-card:hover .mockup-inner {
  transform: translateY(-6px) scale(1.03);
  border-color: #0f172a;
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.1);
}

/* 1. 게이지/프로그레스 바 호버 시 채워지는 애니메이션 */
.portfolio-card .progress-bar-fill {
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.portfolio-card:hover .progress-bar-fill {
  width: 100% !important;
}

/* 세로형 바 호버 시 채워지는 애니메이션 */
.portfolio-card .progress-bar-fill-vertical {
  transition: height 0.8s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.portfolio-card:hover .progress-bar-fill-vertical {
  height: 100% !important;
}


/* 2. 펄싱 효과 (녹색/파란색 인디케이터 점) */
.mockup-pulse-dot {
  position: relative;
}
.mockup-pulse-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0;
  animation: pulseRipple 2s infinite ease-out;
}
@keyframes pulseRipple {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* 3. 호버 시 내부 요소 스케일 업 */
.mockup-scale {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover .mockup-scale {
  transform: scale(1.08);
}

/* 4. 호버 시 내부 요소 회전 */
.mockup-spin {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover .mockup-spin {
  transform: rotate(180deg);
}

/* 5. 텍스트 디밍 해제 */
.mockup-text-dim {
  opacity: 0.5;
  transition: opacity 0.4s ease;
}
.portfolio-card:hover .mockup-text-dim {
  opacity: 1;
}

/* 6. 호버 시 위로 슬라이드 */
.mockup-slide-up {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}
.portfolio-card:hover .mockup-slide-up {
  transform: translateY(-4px);
}

/* 7. 프로그램 상세 페이지 슬로건 롤링 애니메이션 */
.rolling-item {
  opacity: 0;
  transform: translateY(-40px);
  transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
}
.rolling-item.active {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}
.rolling-item.exit {
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.15s ease-in;
}

/* ai-bot.php style Accordion transition and dimming classes */
.accordion-grid {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.accordion-item.active .accordion-grid {
  grid-template-rows: 1fr;
}

.accordion-trigger {
  transition: all 0.3s ease;
}
.accordion-trigger:focus,
.accordion-trigger:active,
.accordion-trigger:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

.accordion-trigger svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-item.active .accordion-trigger svg,
.accordion-item.active .accordion-trigger iconify-icon {
  transform: rotate(180deg);
}

.accordion-item {
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s ease;
}

.accordion-item.inactive-fade {
  opacity: 0.3;
}