/* home.css - 首页专用样式 */

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  padding: 140px 0 80px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at top right, rgba(30, 98, 208, 0.5) 0%, transparent 60%),
              var(--ink-900);
}

.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(30, 98, 208, 0.25) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0.9; }
}

.hero-inner { position: relative; z-index: 2; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border: 1px solid var(--ink-500);
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chrome-300);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}
.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--signal-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--signal-green);
  animation: blink 1.5s infinite;
}
@keyframes blink { 50% { opacity: 0.3; } }

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(50px, 8vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--chrome-100);
  margin-bottom: 32px;
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: lineUp 0.9s cubic-bezier(.2,.9,.3,1) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) { animation-delay: 0.25s; }
.hero-title .line:nth-child(3) { animation-delay: 0.4s; }
@keyframes lineUp { to { opacity: 1; transform: translateY(0); } }

.hero-sub {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--chrome-300);
  max-width: 620px;
  margin-bottom: 48px;
  line-height: 1.7;
  opacity: 0;
  animation: lineUp 0.9s cubic-bezier(.2,.9,.3,1) 0.6s forwards;
}
.hero-sub .mono { font-family: var(--font-mono); font-size: 0.9em; color: var(--chrome-200); background: var(--ink-700); padding: 2px 8px; }

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 80px;
  flex-wrap: wrap;
  opacity: 0;
  animation: lineUp 0.9s cubic-bezier(.2,.9,.3,1) 0.75s forwards;
}

/* 指标 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--ink-600);
  opacity: 0;
  animation: lineUp 0.9s cubic-bezier(.2,.9,.3,1) 0.9s forwards;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  color: var(--chrome-100);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.stat-num::after {
  content: '+';
  color: var(--arcss-blue-bright);
  margin-left: 2px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chrome-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* HUD 装饰 */
.hero-hud {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--chrome-500);
  z-index: 3;
  letter-spacing: 0.08em;
}
.hero-hud-tr {
  top: 110px;
  right: 48px;
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hud-row { display: flex; gap: 16px; justify-content: flex-end; }
.hud-label { color: var(--chrome-500); }
.hud-val { color: var(--chrome-200); font-weight: 500; }
.hero-hud-bl {
  bottom: 100px;
  left: 48px;
}
.hud-vertical {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--chrome-500);
  letter-spacing: 0.2em;
  font-size: 10px;
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 80px;
  opacity: 0.4;
}

/* ============ INDUSTRIES ============ */
.industries {
  background: var(--ink-900);
  position: relative;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink-600);
  border: 1px solid var(--ink-600);
}

.industry-card {
  background: var(--ink-900);
  padding: 40px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background 0.3s;
  overflow: hidden;
  color: inherit;
}
.industry-card:hover {
  background: var(--ink-800);
}
.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--arcss-blue);
  transition: width 0.4s;
}
.industry-card:hover::before { width: 100%; }

.industry-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chrome-500);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.industry-icon {
  width: 52px;
  height: 52px;
  color: var(--arcss-blue-bright);
  margin-bottom: 28px;
  transition: transform 0.4s cubic-bezier(.3,.8,.4,1.5);
}
.industry-card:hover .industry-icon {
  transform: rotate(-8deg) scale(1.1);
}

.industry-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--chrome-100);
  margin-bottom: 12px;
}

.industry-desc {
  font-size: 14px;
  color: var(--chrome-400);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}

.industry-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.industry-tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px;
  background: var(--ink-700);
  color: var(--chrome-300);
  border: 1px solid var(--ink-500);
}

.industry-arrow {
  font-size: 24px;
  color: var(--arcss-blue-bright);
  transition: transform 0.3s;
}
.industry-card:hover .industry-arrow { transform: translateX(8px); }

.industry-card-cta {
  background: var(--arcss-blue);
  color: #ffffff;
}
.industry-card-cta:hover {
  background: var(--arcss-blue-bright);
}
.industry-card-cta::before { display: none; }
.cta-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.cta-text {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: var(--chrome-100);
}
.cta-sub {
  font-size: 14px;
  color: var(--chrome-300);
  margin-top: 20px;
}
.industry-arrow.big {
  font-size: 48px;
  margin-top: 24px;
}

/* ============ SHOWCASE ============ */
.showcase { background: var(--ink-800); }

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-chip {
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--chrome-400);
  border: 1px solid var(--ink-500);
  background: transparent;
  transition: all 0.2s;
  text-transform: uppercase;
}
.filter-chip:hover { color: var(--chrome-100); border-color: var(--chrome-400); }
.filter-chip.active {
  background: var(--arcss-blue);
  color: #ffffff;
  border-color: var(--arcss-blue);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--ink-900);
  border: 1px solid var(--ink-600);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.case-card:hover {
  border-color: var(--arcss-blue);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--arcss-blue);
}

.case-cover {
  height: 200px;
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-600) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.case-card:hover .case-cover img { transform: scale(1.05); }
.case-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-600) 100%);
  position: relative;
}
.case-cover-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 98, 208, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 98, 208, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
}
.case-cover-placeholder svg {
  width: 50%;
  height: 50%;
  color: var(--arcss-blue);
  opacity: 0.4;
  position: relative;
}

.case-featured {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  background: var(--arcss-blue);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}

.case-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--chrome-500);
  letter-spacing: 0.05em;
}
.case-category {
  color: var(--arcss-blue-bright);
  text-transform: uppercase;
}

.case-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--chrome-100);
  line-height: 1.3;
  margin-bottom: 10px;
}

.case-summary {
  font-size: 13px;
  color: var(--chrome-400);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--chrome-300);
  padding-top: 14px;
  border-top: 1px solid var(--ink-600);
  display: flex;
  justify-content: space-between;
}
.case-chip .chip-label { color: var(--chrome-500); }

.case-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--chrome-400);
  font-size: 14px;
  border: 1px dashed var(--ink-500);
}

/* ============ CAPABILITY ============ */
.capability { background: var(--ink-900); }

.capability-timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 30px;
}
.capability-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  bottom: 0px;
  left: 30px;
  width: 1px;
  background: var(--ink-700);
}

.cap-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 40px 0;
}
.cap-item::before {
  content: '';
  position: absolute;
  left: -5.5px;
  top: 48px;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--arcss-blue);
  background: var(--ink-900);
  transform: rotate(45deg);
  z-index: 2;
}

.cap-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--arcss-blue-bright);
  width: 80px;
  flex-shrink: 0;
  padding-top: 4px;
  padding-left: 30px;
  letter-spacing: 0.1em;
}

.cap-content {
  flex: 1;
}

.cap-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--chrome-100);
  margin-bottom: 20px;
}

.cap-desc {
  font-size: 14px;
  color: var(--chrome-400);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .capability-timeline { padding-left: 20px; }
  .capability-timeline::before { left: 20px; }
  .cap-num { width: 50px; padding-left: 15px; font-size: 16px; }
  .cap-title { font-size: 20px; }
}

/* ============ PARTNERS ============ */
.partners { background: var(--ink-800); padding: 80px 0; }

.partner-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ink-600);
  border: 1px solid var(--ink-600);
}
.partner {
  background: var(--ink-800);
  padding: 30px 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chrome-400);
  letter-spacing: 0.05em;
  transition: all 0.3s;
}
.partner:hover {
  background: var(--ink-700);
  color: var(--chrome-100);
}

/* ============ INQUIRY ============ */
.inquiry {
  background: var(--ink-900);
  position: relative;
  overflow: hidden;
}
.inquiry::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(30, 98, 208, 0.2) 0%, transparent 70%);
  filter: blur(60px);
}

.inquiry-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  background: var(--ink-800);
  padding: 80px;
  position: relative;
}

.inquiry-contact {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 30px;
  border-top: 1px solid var(--ink-600);
}
.contact-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
}
.contact-label { color: var(--chrome-500); letter-spacing: 0.05em; }
.contact-val { color: var(--chrome-100); }

.lead-form { width: 100%; }
.form-actions {
  margin-top: 20px;
}
.form-hint {
  font-size: 12px;
  color: var(--chrome-500);
  text-align: center;
  margin-top: 12px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-hud-tr, .hero-hud-bl { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-timeline { grid-template-columns: repeat(2, 1fr); }
  .capability-timeline::before { display: none; }
  .partner-strip { grid-template-columns: repeat(3, 1fr); }
  .inquiry-wrap { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
}
@media (max-width: 640px) {
  .hero { padding: 110px 0 60px; }
  .industry-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .capability-timeline { grid-template-columns: 1fr; }
  .partner-strip { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
}