/* ============================================
   科猎工作室 V2.0 - 全站统一样式
   AI 驱动软件科技企业官网
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

/* === 设计变量 === */
:root {
  /* 背景层次 */
  --bg-deep: #050816;
  --bg-primary: #0a0f24;
  --bg-secondary: #111827;
  --bg-elevated: #1e293b;
  
  /* 文字层次 */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-subtle: rgba(255, 255, 255, 0.35);
  
  /* 品牌主色 */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-hover: #1d4ed8;
  
  /* AI渐变色 */
  --accent-blue: #2563eb;
  --accent-purple: #7c3aed;
  --accent-pink: #db2777;
  --accent-cyan: #06b6d4;
  --accent-green: #22c55e;
  
  /* 渐变 */
  --gradient-ai: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  --gradient-primary: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-hero: linear-gradient(135deg, #050816, #0a0f24);
  
  /* 边框 */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(37, 99, 235, 0.3);
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  
  /* 阴影 */
  --shadow-glow: 0 20px 60px rgba(37, 99, 235, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-float: 0 25px 50px rgba(0, 0, 0, 0.4);
  
  /* 动效 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* === Reset === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--text-primary);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  display: block;
}

input, textarea, select {
  font-family: inherit;
}

/* === 容器 === */
.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 24px;
}

/* === 网格背景 === */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* === 光球效果 === */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.orb-blue {
  background: rgba(37, 99, 235, 0.3);
}

.orb-purple {
  background: rgba(124, 58, 237, 0.25);
}

.orb-pink {
  background: rgba(236, 72, 153, 0.2);
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar--transparent {
  background: transparent;
}

.navbar--solid {
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.navbar__logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar__link {
  padding: 8px 16px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}

.navbar__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.navbar__link--active {
  color: var(--text-primary);
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.navbar__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
  color: #fff;
}

.navbar__menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 8, 22, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 100px 24px 24px;
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--duration-slow) var(--ease-out);
}

.mobile-menu--open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu__link {
  display: block;
  padding: 16px 0;
  color: var(--text-secondary);
  font-size: 1.125rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-menu__link:hover {
  color: var(--text-primary);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero__orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
}

.hero__orb-2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  animation-delay: -4s;
}

.hero__orb-3 {
  width: 300px;
  height: 300px;
  top: 40%;
  left: 50%;
  background: rgba(124, 58, 237, 0.2);
  animation-delay: -2s;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 9999px;
  color: var(--primary-light);
  font-size: 0.8125rem;
  font-weight: 600;
  width: fit-content;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero__title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 500px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero__stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* AI System Window */
.hero__window {
  position: relative;
}

.window {
  background: rgba(10, 15, 36, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: var(--shadow-float);
}

.window__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.window__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window__dot--red { background: #ef4444; }
.window__dot--yellow { background: #fbbf24; }
.window__dot--green { background: #22c55e; }

.window__title {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.window__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.window__item {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid;
  transition: all var(--duration-fast) var(--ease-out);
}

.window__item--blue {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
}

.window__item--purple {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.2);
  color: #a78bfa;
}

.window__item--green {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.2);
  color: #86efac;
}

.window__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.window__metric {
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.window__metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.window__metric-label {
  font-size: 0.6875rem;
  color: var(--text-subtle);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
  color: #fff;
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn--ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ============================================
   Sections
   ============================================ */
.section {
  position: relative;
  padding: 100px 0;
}

.section--alt {
  background: var(--bg-primary);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 9999px;
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   TrustBar
   ============================================ */
.trust-bar {
  padding: 48px 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-bar__inner {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.trust-bar__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-bar__icon-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-light);
}

.trust-bar__label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ============================================
   Product Matrix
   ============================================ */
.products {
  position: relative;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  position: relative;
  padding: 28px;
  background: rgba(37, 99, 235, 0.04);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-glow);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card--purple {
  background: rgba(124, 58, 237, 0.04);
  border-color: rgba(124, 58, 237, 0.1);
}

.product-card--purple::before {
  background: linear-gradient(135deg, #7c3aed, #db2777);
}

.product-card--pink {
  background: rgba(236, 72, 153, 0.04);
  border-color: rgba(236, 72, 153, 0.1);
}

.product-card--pink::before {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.product-card--green {
  background: rgba(34, 197, 94, 0.04);
  border-color: rgba(34, 197, 94, 0.1);
}

.product-card--green::before {
  background: linear-gradient(135deg, #22c55e, #10b981);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.product-card__icon--blue {
  background: var(--gradient-primary);
}

.product-card__icon--purple {
  background: linear-gradient(135deg, #7c3aed, #db2777);
}

.product-card__icon--pink {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.product-card__icon--green {
  background: linear-gradient(135deg, #22c55e, #10b981);
}

.product-card__icon-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.product-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.product-card__subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-card__divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 16px 0;
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card__feature {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

/* ============================================
   Solution
   ============================================ */
.solutions {
  position: relative;
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.solution-card {
  padding: 32px;
  background: rgba(37, 99, 235, 0.03);
  border: 1px solid rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.solution-card:hover {
  background: rgba(37, 99, 235, 0.06);
  border-color: rgba(37, 99, 235, 0.15);
}

.solution-card--purple {
  background: rgba(124, 58, 237, 0.03);
  border-color: rgba(124, 58, 237, 0.08);
}

.solution-card--purple:hover {
  background: rgba(124, 58, 237, 0.06);
  border-color: rgba(124, 58, 237, 0.15);
}

.solution-card--pink {
  background: rgba(236, 72, 153, 0.03);
  border-color: rgba(236, 72, 153, 0.08);
}

.solution-card--pink:hover {
  background: rgba(236, 72, 153, 0.06);
  border-color: rgba(236, 72, 153, 0.15);
}

.solution-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.solution-card__icon--purple {
  background: rgba(124, 58, 237, 0.1);
}

.solution-card__icon--pink {
  background: rgba(236, 72, 153, 0.1);
}

.solution-card__icon-text {
  font-size: 1.125rem;
  font-weight: 700;
}

.solution-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.solution-card__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.solution-card__item {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ============================================
   Technology
   ============================================ */
.tech {
  position: relative;
  background: var(--bg-primary);
}

.tech__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.tech__category {
  padding: 32px 24px;
  border-right: 1px solid var(--border-subtle);
  transition: all var(--duration-normal) var(--ease-out);
}

.tech__category:last-child {
  border-right: none;
}

.tech__category:hover {
  background: rgba(37, 99, 235, 0.03);
}

.tech__category-title {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.tech__category-title--blue { color: var(--primary-light); }
.tech__category-title--purple { color: #a78bfa; }
.tech__category-title--pink { color: #f472b6; }
.tech__category-title--green { color: #86efac; }
.tech__category-title--yellow { color: #fbbf24; }

.tech__tags {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tech__tag {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.tech__tag:hover {
  background: rgba(37, 99, 235, 0.05);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

/* ============================================
   Case Study
   ============================================ */
.case-study {
  position: relative;
}

.case-study__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 24px;
  transition: all var(--duration-normal) var(--ease-out);
}

.case-study__item:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
}

.case-study__content {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.case-study__badge {
  display: inline-flex;
  padding: 4px 10px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--primary-light);
  width: fit-content;
}

.case-study__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.case-study__subtitle {
  font-size: 1rem;
  color: var(--text-muted);
}

.case-study__section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-study__section-label {
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-study__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-study__tag {
  padding: 4px 10px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--primary-light);
}

.case-study__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.case-study__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  min-height: 300px;
}

.case-study__placeholder {
  color: var(--text-subtle);
  font-size: 0.875rem;
}

/* ============================================
   Process Timeline
   ============================================ */
.process {
  position: relative;
  background: var(--bg-primary);
}

.process__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process__timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 80px;
  right: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  opacity: 0.3;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.process__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.process__step:nth-child(2) .process__number {
  background: linear-gradient(135deg, #7c3aed, #db2777);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

.process__step:nth-child(3) .process__number {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.3);
}

.process__step:nth-child(4) .process__number {
  background: linear-gradient(135deg, #22c55e, #10b981);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.3);
}

.process__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.process__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   AI Chat Widget
   ============================================ */
.ai-chat {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
}

.ai-chat__toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  cursor: pointer;
  border: none;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  transition: all var(--duration-fast) var(--ease-out);
}

.ai-chat__toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.45);
}

.ai-chat__window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 360px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-out);
}

.ai-chat__window--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ai-chat__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.ai-chat__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.ai-chat__info-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.ai-chat__info-status {
  font-size: 0.75rem;
  color: var(--accent-green);
}

.ai-chat__messages {
  padding: 20px;
  min-height: 240px;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ai-chat__message {
  display: flex;
  gap: 8px;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ai-chat__message--ai {
  align-self: flex-start;
}

.ai-chat__message--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.ai-chat__message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.ai-chat__message-content {
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  line-height: 1.5;
  max-width: 80%;
}

.ai-chat__message--ai .ai-chat__message-content {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: 4px 12px 12px 12px;
}

.ai-chat__message--user .ai-chat__message-content {
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 12px 4px 12px 12px;
}

.ai-chat__suggestions {
  padding: 0 20px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-chat__suggestion {
  padding: 6px 12px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 9999px;
  font-size: 0.75rem;
  color: var(--primary-light);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.ai-chat__suggestion:hover {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(37, 99, 235, 0.25);
}

.ai-chat__input-area {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--border-subtle);
}

.ai-chat__input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.ai-chat__input:focus {
  border-color: var(--border-accent);
  background: rgba(255, 255, 255, 0.05);
}

.ai-chat__input::placeholder {
  color: var(--text-subtle);
}

.ai-chat__send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--duration-fast) var(--ease-out);
}

.ai-chat__send:hover {
  transform: scale(1.05);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  position: relative;
  padding: 80px 0;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.cta-section__inner {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.cta-section__desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.cta-section__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-deep);
  border-top: 1px solid var(--border-subtle);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}

.footer__brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer__brand-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.footer__column-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer__link:hover {
  color: var(--text-primary);
}

.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.footer__legal {
  display: flex;
  gap: 24px;
}

.footer__legal-link {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.footer__legal-link:hover {
  color: var(--text-muted);
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-light);
}

.testimonial-card__stars {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 16px;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
}

.testimonial-card__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

/* ============================================
   FAQ
   ============================================ */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq__question:hover {
  color: var(--text-primary);
}

.faq__icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq__item--open .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.faq__item--open .faq__answer {
  max-height: 200px;
}

.faq__answer-inner {
  padding-bottom: 20px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   Form
   ============================================ */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form__input,
.form__select,
.form__textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--border-accent);
  background: rgba(37, 99, 235, 0.05);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-subtle);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

/* ============================================
   Contact Cards
   ============================================ */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.contact-card {
  padding: 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.contact-card:hover {
  background: rgba(37, 99, 235, 0.05);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.contact-card__label {
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-bottom: 8px;
}

.contact-card__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================
   Page Hero
   ============================================ */
.page-hero {
  position: relative;
  padding: 140px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.page-hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* ============================================
   Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all var(--duration-slow) var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero__window {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .tech__category:nth-child(3) {
    border-right: none;
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar__nav,
  .navbar__cta {
    display: none;
  }
  
  .navbar__menu-btn {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  
  .hero__stats {
    gap: 32px;
  }
  
  .trust-bar__inner {
    gap: 32px;
  }
  
  .products__grid {
    grid-template-columns: 1fr;
  }
  
  .solutions__grid {
    grid-template-columns: 1fr;
  }
  
  .tech__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech__category {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .case-study__item {
    grid-template-columns: 1fr;
  }
  
  .case-study__visual {
    min-height: 200px;
  }
  
  .process__timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .process__timeline::before {
    display: none;
  }
  
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .ai-chat__window {
    width: calc(100vw - 48px);
    right: -12px;
  }
}

@media (max-width: 480px) {
  .container {
    width: 100%;
    padding: 0 16px;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .process__timeline {
    grid-template-columns: 1fr;
  }
  
  .cta-section__actions {
    flex-direction: column;
  }
  
  .cta-section__actions .btn {
    width: 100%;
  }
}

/* ============================================
   Utility
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
}