/* =======================================
   工程智建科技官网 Clone · style.css
   风格：浅色系 · 工程信息化 · 铁路/房建
   ======================================= */

/* ---- CSS Variables ---- */
:root {
  --primary: #6C63FF;
  --primary-dark: #5A52E0;
  --primary-light: #EEF0FF;
  --accent: #FF6B6B;
  --accent2: #4ECDC4;
  --accent3: #45B7D1;
  --accent4: #FFA07A;
  --accent5: #FF8CC8;
  --accent6: #00CEC9;

  --text-h: #1A1A2E;
  --text-b: #4A4A6A;
  --text-muted: #9999BB;
  --bg: #FFFFFF;
  --bg-soft: #F8F8FF;
  --bg-card: #FFFFFF;
  --border: #EEEEF8;

  --shadow-sm: 0 2px 8px rgba(108, 99, 255, 0.08);
  --shadow-md: 0 8px 24px rgba(108, 99, 255, 0.12);
  --shadow-lg: 0 20px 60px rgba(108, 99, 255, 0.18);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", sans-serif;
  color: var(--text-b);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #A78BFA 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.4);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108, 99, 255, 0.5);
}
.btn-primary.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--primary);
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid var(--primary);
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-outline.btn-lg { padding: 16px 36px; font-size: 16px; }

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: var(--primary);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.7);
  transition: var(--transition);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* ---- Section Header ---- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-header .section-tag { margin-bottom: 16px; }
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text-h);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title.left { text-align: left; }
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ======== HEADER ======== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-h);
  letter-spacing: -0.5px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-b);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}
.header-actions { flex-shrink: 0; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-h);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-b);
  border-bottom: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }

/* ======== HERO ======== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.shape-1 {
  width: 600px; height: 600px;
  background: var(--primary);
  top: -200px; right: -100px;
}
.shape-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -100px; left: -100px;
}
.shape-3 {
  width: 300px; height: 300px;
  background: var(--accent2);
  top: 50%; left: 40%;
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-b);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero-badge-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.hero-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  color: var(--text-h);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat-item { text-align: left; }
.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--text-h);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Mockup Window */
.hero-visual { position: relative; }
.mockup-window {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(26, 26, 46, 0.15);
  border: 1px solid var(--border);
}
.mockup-bar {
  background: #F0F0F8;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }
.mockup-url {
  flex: 1;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  background: #fff;
  border-radius: 20px;
  padding: 5px 16px;
  margin: 0 8px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.mockup-content { padding: 0; }
.mockup-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.float-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  animation: float 3s ease-in-out infinite;
  z-index: 2;
}
.float-card.card-1 { bottom: -20px; left: -40px; animation-delay: 0s; }
.float-card.card-2 { top: 40px; right: -30px; animation-delay: 1.5s; }
.card-icon { font-size: 24px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text-h); }
.card-sub { font-size: 12px; color: var(--text-muted); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ======== MARQUEE ======== */
.marquee-section {
  background: var(--primary);
  padding: 40px 0;
}
.marquee-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  overflow: hidden;
  position: relative;
}
.marquee-inner::before,
.marquee-inner::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-inner::before {
  left: 0;
  background: linear-gradient(to right, var(--primary), transparent);
}
.marquee-inner::after {
  right: 0;
  background: linear-gradient(to left, var(--primary), transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 60px;
  white-space: nowrap;
  animation: marquee 20s linear infinite;
}
.marquee-track .partner-logo {
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity 0.3s;
  flex-shrink: 0;
}
.marquee-track .partner-logo:hover {
  opacity: 1;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ======== SERVICES ======== */
.services {
  padding: 100px 0;
  background: var(--bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  transition: var(--transition);
}
.card-accent-purple::before { background: var(--primary); }
.card-accent-blue::before { background: var(--accent3); }
.card-accent-green::before { background: #52C41A; }
.card-accent-orange::before { background: var(--accent4); }
.card-accent-pink::before { background: var(--accent5); }
.card-accent-cyan::before { background: var(--accent6); }
.card-accent-red::before { background: var(--accent); }

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  transition: var(--transition);
}
.card-accent-blue .service-icon { color: var(--accent3); }
.card-accent-green .service-icon { color: #52C41A; }
.card-accent-orange .service-icon { color: var(--accent4); }
.card-accent-pink .service-icon { color: var(--accent5); }
.card-accent-cyan .service-icon { color: var(--accent6); }

.service-card:hover .service-icon { background: var(--primary-light); }

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-h);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.service-link:hover { letter-spacing: 0.5px; }

/* ======== WORKS ======== */
.works {
  padding: 100px 0;
  background: var(--bg-soft);
}
.works-filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-b);
  background: #fff;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.3);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
  margin-bottom: 40px;
}
.work-item { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.work-card-link { position: absolute; inset: 0; z-index: 3; }
.work-overlay { z-index: 2; }
.work-item.large { grid-column: span 2; }
.work-img {
  position: relative;
  overflow: hidden;
  height: 280px;
}
.work-item.large .work-img { height: 380px; }
.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.work-item:hover .work-overlay { opacity: 1; }
.work-item:hover .work-img img { transform: scale(1.05); }
.work-info h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.work-info p { font-size: 13px; color: rgba(255,255,255,0.7); }
.works-more { text-align: center; }

/* ======== WORKS NEW CARD GRID (homepage) ======== */
.works-grid-new {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.works-grid-new .work-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  text-decoration: none;
}
.works-grid-new .work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26, 26, 46, 0.12);
  border-color: transparent;
}
.works-grid-new .work-card-img {
  height: 200px;
  overflow: hidden;
}
.works-grid-new .work-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.works-grid-new .work-card:hover .work-card-img img {
  transform: scale(1.05);
}
.works-grid-new .work-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.works-grid-new .work-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(108, 99, 255, 0.08);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  width: fit-content;
}
.works-grid-new .work-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.35;
  word-break: keep-all;
}
.works-grid-new .work-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ======== PROCESS ======== */
.process {
  padding: 100px 0;
  background: var(--bg);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 60px;
}
.process-step {
  flex: 1;
  padding: 0 20px;
  text-align: center;
}
.step-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, #A78BFA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-h);
  margin-bottom: 12px;
}
.step-content p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.process-arrow {
  font-size: 24px;
  color: var(--border);
  padding-top: 20px;
  flex-shrink: 0;
}

/* ======== ABOUT ======== */
.about {
  padding: 100px 0;
  background: var(--bg-soft);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}
.about-img-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.about-badge {
  position: absolute;
  bottom: 30px;
  right: -30px;
  background: var(--primary);
  color: #fff;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge-num {
  display: block;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}
.about-badge-text { font-size: 13px; opacity: 0.85; }
.about-content .section-tag { display: inline-block; margin-bottom: 16px; }
.about-desc { color: var(--text-b); line-height: 1.8; margin-bottom: 16px; }
.about-features { margin: 28px 0; display: flex; flex-direction: column; gap: 12px; }
.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-b);
}
.feature-icon { color: var(--primary); font-size: 12px; }

/* ======== TEAM ======== */
.team { padding: 100px 0; background: var(--bg); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.team-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.team-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-light);
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-info h3 { font-size: 17px; font-weight: 700; color: var(--text-h); margin-bottom: 6px; }
.team-role { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 10px; }
.team-bio { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ======== NEWS PREVIEW ======== */
.news-preview { padding: 100px 0; background: var(--bg-soft); }
.news-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: center;
}
.news-featured {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: block;
}
.news-featured:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.news-featured-top {
  padding: 28px 28px 0;
  position: relative;
}
.news-featured-date {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
}
.news-featured-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-h);
  line-height: 1.4;
  padding-right: 70px;
}
.news-featured-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  padding: 12px 28px 16px;
}
.news-featured-img {
  width: 100%;
  height: 240px;
  overflow: hidden;
  padding: 0 28px;
  box-sizing: border-box;
}
.news-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.news-featured:hover .news-featured-img img {
  transform: scale(1.05);
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 28px 24px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.news-item:first-child { padding-top: 4px; }
.news-item:last-child { border-bottom: none; padding-bottom: 4px; }
.news-item:hover .news-item-title { color: var(--primary); }
.news-item-body {
  flex: 1;
  min-width: 0;
}
.news-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-h);
  line-height: 1.5;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-date {
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ---- responsive ---- */
@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; gap: 32px; }
  .news-featured-img { height: 200px; }
  .news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
}

/* ======== NEWS DETAIL ======== */
.news-detail { padding: 120px 0 80px; background: var(--bg); }
.news-detail-inner {
  max-width: 800px;
  margin: 0 auto;
}
.news-detail-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.news-detail-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.news-detail-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-h);
  line-height: 1.3;
  margin-bottom: 16px;
}
.news-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.news-detail-content {
  font-size: 16px;
  color: var(--text-b);
  line-height: 1.9;
}
.news-detail-content p {
  margin-bottom: 20px;
}
.news-detail-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-h);
  margin: 32px 0 16px;
}
.news-detail-content img {
  width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
}
.news-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.news-detail-back:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* ======== CTA ======== */
.cta { padding: 100px 0; background: var(--bg); }
.cta-inner {
  background: linear-gradient(135deg, var(--primary) 0%, #A78BFA 50%, #7C3AED 100%);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-bg-shape {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  top: -150px; right: -100px;
}
.cta-inner h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  position: relative;
}
.cta-inner h2 .gradient-text {
  background: linear-gradient(135deg, #FFE082 0%, #FFA726 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-inner p {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  position: relative;
}
.cta-btns { display: flex; gap: 16px; justify-content: center; position: relative; }

/* ======== CONTACT ======== */
.contact { padding: 100px 0; background: var(--bg-soft); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}
.contact-info .section-tag { display: inline-block; margin-bottom: 16px; }
.contact-info > p { color: var(--text-muted); margin: 16px 0 36px; line-height: 1.8; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-icon { font-size: 22px; flex-shrink: 0; line-height: 1; }
.contact-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-value { font-size: 15px; font-weight: 600; color: var(--text-h); }

.contact-form-wrap {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-h);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  color: var(--text-h);
  background: var(--bg-soft);
  transition: var(--transition);
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
}
.form-group select { cursor: pointer; }

/* ======== FOOTER ======== */
.footer {
  background: var(--text-h);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer .logo-text { color: #fff; }
.footer-slogan { font-size: 14px; margin-top: 12px; opacity: 0.6; }
.footer-social { display: flex; gap: 10px; margin-top: 24px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-btn:hover { background: var(--primary); color: #fff; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-bottom-links a:hover { color: #fff; }

/* ======== FLOAT TOOLBAR ======== */
.float-toolbar {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 999;
}
.float-btn {
  width: 46px; height: 46px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.4);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}
.float-btn.visible { opacity: 1; pointer-events: auto; }
.float-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ======== RESPONSIVE ======== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-actions { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }

  .hero .container { grid-template-columns: 1fr; gap: 40px; padding-top: 40px; }
  .hero-visual { display: none; }
  .hero { min-height: auto; padding: 100px 0 60px; }

  .services-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: 1fr; }
  .works-grid-new { grid-template-columns: 1fr; }
  .work-item.large { grid-column: span 1; }
  .work-item.large .work-img { height: 260px; }

  .process-steps { flex-direction: column; gap: 16px; }
  .process-arrow { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-badge { right: 0; }

  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 48px 28px; }
  .cta-btns { flex-direction: column; align-items: center; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }

  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero-btns { flex-direction: column; }
  .hero-stats { gap: 12px; }
  .stat-num { font-size: 22px; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
}

/* ======== SCROLL ANIMATIONS ======== */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}