/* ==========================================================================
   四川泓炜特种门业有限责任公司 - “以门为魂”专属炫酷动画系统
   (door-animations.css)
   以“特种重型人防/防火工业门”概念扩展设计的系列视差、开门与展开动效
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 宏伟双扉特种重装大门展开动效 (The Grand Blast Gate Reveal)
   首屏向内容区过渡时的3D重型开门仪式
   -------------------------------------------------------------------------- */
.door-gate-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 800px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #1A2230 0%, #111722 55%, #0B0E14 100%);
  perspective: 1600px;
  perspective-origin: 50% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

/* 门后露出的宏伟殿堂内容 (The Hall Behind the Doors) - 高端现代化科技展厅 */
.door-gate-inside {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
  background: 
    radial-gradient(circle at 50% 40%, rgba(32, 42, 58, 0.95) 0%, rgba(18, 24, 34, 0.98) 60%, #0A0D13 100%),
    linear-gradient(180deg, #131822 0%, #0B0E14 100%);
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.door-gate-section.doors-open .door-gate-inside {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* 门缝初启光束 (Golden & White Beam through Door Crack) */
.door-crack-light {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, #FFF 25%, var(--color-gold) 50%, #FFF 75%, transparent 100%);
  box-shadow: 0 0 30px 10px rgba(255, 255, 255, 0.8), 0 0 70px 30px rgba(212, 175, 55, 0.5);
  z-index: 25;
  opacity: 1;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.door-gate-section.doors-open .door-crack-light {
  opacity: 0;
}

/* 巨型双扇特种重工门扉 (Left & Right Massive Steel Leaves) - 钛金炭黑重型装甲钢质 */
.door-wing {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  z-index: 20;
  background: 
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0px, rgba(255, 255, 255, 0.03) 2px, transparent 2px, transparent 40px),
    linear-gradient(135deg, #2A3342 0%, #1E2532 35%, #151A23 70%, #181F2B 100%);
  box-shadow: inset 0 0 70px rgba(0, 0, 0, 0.8), 0 10px 50px rgba(0, 0, 0, 0.7);
  border-top: 6px solid var(--color-primary);
  border-bottom: 6px solid var(--color-primary);
  transform-style: preserve-3d;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 1.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.door-wing-left {
  left: 0;
  border-right: 4px solid #3A4659;
  transform-origin: left center;
}

.door-wing-right {
  right: 0;
  border-left: 4px solid #3A4659;
  transform-origin: right center;
}

/* 开门姿态 (Doors Swing Open on Scroll Trigger) */
.door-gate-section.doors-open .door-wing-left {
  transform: rotateY(-82deg) translateX(-15%);
  box-shadow: 40px 0 80px rgba(0, 0, 0, 0.9);
}

.door-gate-section.doors-open .door-wing-right {
  transform: rotateY(82deg) translateX(15%);
  box-shadow: -40px 0 80px rgba(0, 0, 0, 0.9);
}

/* 门扇表面的重工业防暴装甲纹理与铆钉 (Armor Plate & Heavy Rivets) */
.door-plate-decor {
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 10%;
  right: 10%;
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(25, 33, 46, 0.7) 0%, rgba(14, 19, 27, 0.85) 100%);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  pointer-events: none;
}

/* 警示警戒线 - 醒目黄黑与红金交替安全标线 */
.door-hazard-stripe {
  width: 100%;
  height: 12px;
  background: repeating-linear-gradient(45deg, var(--color-primary) 0, var(--color-primary) 15px, #D4AF37 15px, #D4AF37 30px);
  border-radius: 2px;
  opacity: 0.9;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* 门扇观察视窗与特种钢印 */
.door-center-seal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.door-window-hex {
  width: 96px;
  height: 96px;
  border: 2px solid var(--color-gold);
  background: radial-gradient(circle, #252F3E 0%, #141A23 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3), inset 0 0 15px rgba(0, 0, 0, 0.7);
}

.door-window-hex svg,
.door-window-hex i {
  width: 46px;
  height: 46px;
  font-size: 42px;
  line-height: 1;
  fill: var(--color-gold-light);
  color: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.door-wing-caption {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 4px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.9);
}

.door-wing-sub {
  font-size: 13px;
  color: var(--color-gold-light);
  letter-spacing: 2.5px;
  font-family: var(--font-en);
  text-transform: uppercase;
  font-weight: 600;
}

/* 铆钉列 */
.rivet-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.rivet {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #8892A0, #2C3545);
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.4), 1px 1px 3px rgba(0, 0, 0, 0.8);
}

/* --------------------------------------------------------------------------
   2. 门后展开的宏伟企业看板 (Inside Gate Experience)
   -------------------------------------------------------------------------- */
.gate-reveal-content {
  text-align: center;
  max-width: 1100px;
  padding: 0 30px;
}

.gate-reveal-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #FF8F94;
  background: rgba(200, 22, 29, 0.15);
  border: 1px solid rgba(200, 22, 29, 0.4);
  padding: 4px 18px;
  border-radius: 20px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.gate-reveal-title {
  font-size: 46px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 24px;
  letter-spacing: 2px;
  line-height: 1.25;
}

.gate-reveal-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto 50px;
}

.gate-core-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pillar-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 3px solid var(--color-primary);
  border-radius: 8px;
  padding: 30px 20px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
}

.pillar-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(200, 22, 29, 0.2);
}

.pillar-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-light);
  box-shadow: 0 4px 15px rgba(200, 22, 29, 0.4);
}

.pillar-icon svg,
.pillar-icon i {
  width: 30px;
  height: 30px;
  font-size: 30px;
  line-height: 1;
  fill: currentColor;
  color: currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-title {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   3. 滚动触发动效规范 (Door Reveal Triggers - Scroll Animations)
   -------------------------------------------------------------------------- */
[data-door-reveal] {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

/* 门扉向左开启滑入 */
[data-door-reveal="door-swing-left"] {
  transform: perspective(1000px) rotateY(-35deg) translateX(-40px);
  transform-origin: left center;
}

/* 门扉向右开启滑入 */
[data-door-reveal="door-swing-right"] {
  transform: perspective(1000px) rotateY(35deg) translateX(40px);
  transform-origin: right center;
}

/* 门闸升起 */
[data-door-reveal="gate-lift"] {
  transform: translateY(60px);
}

/* 门闸水平对开 */
[data-door-reveal="gate-split"] {
  transform: scale(0.92);
}

/* 激活态 (Triggered) */
[data-door-reveal].door-revealed {
  opacity: 1;
  transform: perspective(1000px) rotateY(0deg) translateX(0) translateY(0) scale(1);
}

/* 延迟序列 */
[data-door-delay="100"] { transition-delay: 0.1s; }
[data-door-delay="200"] { transition-delay: 0.2s; }
[data-door-delay="300"] { transition-delay: 0.3s; }
[data-door-delay="400"] { transition-delay: 0.4s; }
[data-door-delay="500"] { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   4. 特种门卡片优雅交互微升动效 (Refined Product Card Hover)
   -------------------------------------------------------------------------- */
.door-card-3d {
  position: relative;
}

.door-card-3d-inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.door-card-3d:hover .door-card-3d-inner {
  transform: none;
}

/* 金属光流动画 (Metallic Sheen Sweep) */
.sheen-glow {
  position: relative;
  overflow: hidden;
}

.sheen-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -150%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 20%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 80%
  );
  transform: rotate(25deg);
  transition: left 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.sheen-glow:hover::after {
  left: 100%;
}