/* Custom styles for 森嘉视野 website */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  --dark-bg: #0F172A;
  --card-bg: #1E3A5F;
  --accent: #FF7B29;
  --gold: #C9A961;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--dark-bg);
  color: #e2e8f0;
  -webkit-font-smoothing: antialiased;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Scroll animation base state */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Hero section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15,23,42,0.8), rgba(15,23,42,0.6), #0F172A);
}

/* Work card hover effects */
.work-card .work-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-card .work-bg {
  transition: transform 0.5s ease;
}

.work-card:hover .work-bg {
  transform: scale(1.05);
}

/* Service card hover */
.service-card {
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.service-card .service-icon {
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
  z-index: 40;
}

.mobile-menu.active {
  display: block;
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15,23,42,0.7), #0F172A);
}

/* Stats counter animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* News card */
.news-card {
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

/* Contact form */
.form-input {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  width: 100%;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input::placeholder {
  color: #6b7280;
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
}