/* =============================================
   MindCanvas 心幕 — 数智画卷 (Digital Canvas)
   在理性的底色上，勾勒感性的生命力
   科技深蓝 | 向阳金 | 治愈湖绿
   ============================================= */

:root {
  /* 科技深蓝 (Engineered Deep Blue) - 背景/导航主色，学术权威与 AI 严谨 */
  --blue-deep: #0f2847;
  --blue-primary: #1e3a5f;
  --blue-light: #2d5a87;
  
  /* 向阳金 (Radiant Gold) - Logo 笔触/按钮/高亮，希望与生机 */
  --gold-radiant: #D4A84B;
  --gold-soft: #E8C468;
  --gold-light: #F0D88A;
  
  /* 治愈湖绿 (Healing Teal) - 图表/数据流，平衡与宁静 */
  --teal-healing: #0d9488;
  --teal-soft: #14b8a6;
  --teal-light: #5eead4;
  
  /* 兼容别名 */
  --green-healing: var(--teal-healing);
  --green-soft: var(--teal-soft);
  --green-mint: var(--teal-soft);
  --blue-sky: var(--blue-primary);
  --blue-soft: var(--blue-light);
  --orange-apricot: var(--gold-soft);
  --yellow-warm: var(--gold-light);
  
  /* 中性色 */
  --white: #fafafa;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  
  /* 流体渐变 - 数智画布 */
  --fluid-1: rgba(30, 58, 95, 0.5);
  --fluid-2: rgba(13, 148, 136, 0.35);
  --fluid-3: rgba(212, 168, 75, 0.2);
  
  /* 字体：半衬线标题 + 无衬线正文 */
  --font-serif: 'Source Serif 4', 'Noto Serif SC', serif;
  --font-sans: 'Inter', 'PingFang SC', 'Noto Sans SC', -apple-system, sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --radius: 12px;
  --radius-lg: 20px;
  
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  
  --shadow-soft: 0 4px 20px rgba(15, 40, 71, 0.12);
  --shadow-card: 0 8px 32px rgba(15, 40, 71, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-600);
  background: var(--white);
  overflow-x: hidden;
}

.scenarios-page main {
  padding-top: 70px;
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  background: rgba(15, 40, 71, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 168, 75, 0.15);
  transition: background 0.3s var(--ease-out);
}

.site-header.scrolled {
  background: rgba(15, 40, 71, 0.98);
  box-shadow: var(--shadow-soft);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.35em;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
}

.logo-text {
  font-size: 1.35rem;
}

.logo-sub {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--gold-soft);
  font-weight: 500;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--gray-200);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold-soft);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  transition: color 0.2s;
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--gold-soft);
}

.lang-sep {
  color: var(--gray-500);
  font-size: 0.85rem;
  user-select: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: var(--space-lg);
    background: rgba(15, 40, 71, 0.98);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease-out);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ========== Hero Section ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(60px + var(--space-md)) var(--space-lg) var(--space-xl);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  background: var(--blue-deep);
}

/* 流体渐变背景 */
.fluid-gradient {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.8;
  animation: fluidFloat 18s ease-in-out infinite;
}

.fluid-1 {
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--fluid-1) 0%, transparent 70%);
  top: -20%;
  left: -10%;
  animation-delay: 0s;
}

.fluid-2 {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--fluid-2) 0%, transparent 70%);
  bottom: -15%;
  right: -10%;
  animation-delay: -6s;
}

.fluid-3 {
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, var(--fluid-3) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -12s;
}

@keyframes fluidFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(5%, -5%) scale(1.05); }
  66% { transform: translate(-5%, 5%) scale(0.98); }
}

.canvas-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(15,40,71,0.4) 50%, rgba(15,40,71,0.85) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--gold-soft);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gray-200);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease-out);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-radiant), var(--gold-soft));
  color: var(--blue-deep);
  border: none;
  box-shadow: 0 4px 20px rgba(212, 168, 75, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212, 168, 75, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(212, 168, 75, 0.5);
}

.btn-secondary:hover {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
  background: rgba(212, 168, 75, 0.1);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-400);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s;
}

.hero-scroll:hover {
  color: var(--gold-soft);
}

.hero-scroll span {
  display: block;
  line-height: 1.3;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--gray-400);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--gold-soft);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

/* ========== Scenarios Carousel ========== */
.scenarios {
  background: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue-primary) 100%);
  color: var(--gray-200);
  padding-top: var(--space-lg);
}

.scenarios .section-title {
  color: var(--white);
}

.scenario-carousel {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  position: relative;
  min-height: 300px;
}

.scenario-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

.scenario-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.slide-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.scene-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.slide-portal {
  background: linear-gradient(145deg, #7BC4A0 0%, #6BB89A 50%, #5BA88A 100%);
  box-shadow: var(--shadow-card);
}

.slide-bot {
  background: linear-gradient(145deg, #8B9FD4 0%, #7B8FC8 50%, #6B7FB8 100%);
  box-shadow: var(--shadow-card);
}

.slide-app {
  background: linear-gradient(145deg, #A8E6CF 0%, #7BC4A0 50%, #6BB89A 100%);
  box-shadow: var(--shadow-card);
}

.slide-edu {
  background: linear-gradient(145deg, #F5B895 0%, #F0A070 50%, #E89050 100%);
  box-shadow: var(--shadow-card);
}

.scene-illustration {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.9;
  z-index: 0;
}

.slide-portal .scene-illustration {
  background-image: 
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cpath fill='rgba(255,255,255,0.2)' d='M30 50h60v20H30z M40 75h40v5H40z'/%3E%3Ccircle cx='60' cy='40' r='15' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2'/%3E%3C/svg%3E");
}

.slide-bot .scene-illustration {
  background-image:
    radial-gradient(circle at 70% 30%, rgba(255,255,255,0.2) 0%, transparent 45%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cellipse cx='60' cy='45' rx='25' ry='22' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2'/%3E%3Ccircle cx='55' cy='40' r='3' fill='rgba(255,255,255,0.5)'/%3E%3Ccircle cx='65' cy='40' r='3' fill='rgba(255,255,255,0.5)'/%3E%3Cpath stroke='rgba(255,255,255,0.4)' stroke-width='2' d='M45 55 Q60 65 75 55' fill='none'/%3E%3Crect x='45' y='75' width='30' height='25' rx='5' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='1.5'/%3E%3C/svg%3E");
}

.slide-app .scene-illustration {
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Crect x='45' y='25' width='30' height='55' rx='4' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'/%3E%3Ccircle cx='60' cy='95' r='8' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='1.5'/%3E%3Cpath d='M55 45 L65 45 L65 70 L55 70 Z' fill='rgba(255,255,255,0.2)'/%3E%3C/svg%3E");
}

.slide-edu .scene-illustration {
  background-image:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Crect x='20' y='40' width='80' height='50' rx='2' fill='none' stroke='rgba(255,255,255,0.35)' stroke-width='2'/%3E%3Cpath d='M30 55 h60 M30 65 h50' stroke='rgba(255,255,255,0.25)' stroke-width='1' fill='none'/%3E%3Ccircle cx='35' cy='75' r='8' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='1.5'/%3E%3Ccircle cx='55' cy='75' r='8' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='1.5'/%3E%3Ccircle cx='75' cy='75' r='8' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='1.5'/%3E%3C/svg%3E");
}

.slide-content {
  padding: var(--space-sm) 0;
}

.slide-product {
  font-size: 0.85rem;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.slide-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.slide-subtitle {
  font-size: 0.9rem;
  color: var(--gray-200);
  margin-bottom: var(--space-sm);
}

.slide-detail h4 {
  font-size: 0.8rem;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.slide-detail h4:first-of-type {
  margin-top: 0;
}

.slide-detail p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--gray-200);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--gray-500);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
}

.indicator:hover {
  border-color: var(--gold-soft);
}

.indicator.active {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

@media (max-width: 900px) {
  .scenario-slide {
    grid-template-columns: 1fr;
  }

  .slide-visual {
    max-height: 240px;
  }
}

/* ========== Comparison Table ========== */
.comparison {
  background: var(--gray-100);
}

.comparison .section-title {
  color: var(--blue-deep);
}

.compare-table {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(15, 40, 71, 0.08);
}

.compare-row {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
  min-height: 3rem;
}

.compare-row.compare-header {
  background: var(--blue-deep);
  color: white;
  font-weight: 600;
}

.compare-row:not(.compare-header) {
  background: white;
  border-bottom: 1px solid var(--gray-200);
}

.compare-row:not(.compare-header):last-child {
  border-bottom: none;
}

.compare-cell {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
}

.compare-dim {
  font-weight: 600;
  color: var(--blue-deep);
}

.compare-header .compare-dim {
  color: rgba(255, 255, 255, 0.95);
}

.compare-traditional {
  color: var(--gray-600);
  border-left: 1px solid var(--gray-200);
}

.compare-mindcanvas {
  background: rgba(13, 148, 136, 0.08);
  color: var(--blue-deep);
  border-left: 3px solid var(--green-healing);
  font-weight: 500;
}

.compare-header .compare-traditional,
.compare-header .compare-mindcanvas {
  border-left-color: rgba(255, 255, 255, 0.2);
}

.compare-header .compare-mindcanvas {
  background: rgba(255, 255, 255, 0.2);
  border-left-color: var(--green-soft);
}

@media (max-width: 700px) {
  .compare-row {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .compare-cell {
    padding: var(--space-sm) var(--space-md);
  }

  .compare-cell.compare-dim {
    background: var(--blue-deep);
    color: var(--white);
    font-size: 0.95rem;
  }

  .compare-row:not(.compare-header) .compare-dim {
    background: var(--gray-200);
    color: var(--blue-deep);
  }

  .compare-traditional {
    border-left: none;
    border-top: 1px solid var(--gray-200);
  }

  .compare-mindcanvas {
    border-left: none;
    border-top: 2px solid var(--teal-healing);
  }

  .compare-header .compare-cell {
    border-bottom: 1px solid rgba(255,255,255,0.2);
  }
}

/* ========== Sections Common ========== */
section {
  padding: var(--space-md) var(--space-lg);
}

/* 锚点滚动时留出固定头部高度，避免标题被挡住 */
section[id] {
  scroll-margin-top: 90px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--blue-deep);
  text-align: center;
  margin-bottom: var(--space-md);
}

/* ========== Legacy Section ========== */
.legacy {
  background: var(--gray-100);
}

.legacy-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.stat-card {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(13, 148, 136, 0.15);
  transition: transform 0.3s var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 700;
  color: var(--teal-healing);
  display: inline;
}

.stat-unit {
  font-size: 1.5rem;
  color: var(--teal-healing);
  font-weight: 600;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blue-deep);
  margin-top: var(--space-xs);
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-top: var(--space-xs);
}

.legacy-cta {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background: var(--gray-100);
}

.legacy-cta .btn {
  min-width: 200px;
}

/* ========== Solutions Section ========== */
.solutions {
  background: var(--white);
  padding-bottom: var(--space-xl);
}

.solutions .section-title {
  font-family: var(--font-serif);
}

.solution-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.solution-card {
  perspective: 1000px;
  min-height: 220px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 220px;
  transition: transform 0.7s var(--ease-out);
  transform-style: preserve-3d;
}

.solution-card:hover .card-inner,
.solution-card.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: var(--font-sans);
}

.card-front {
  background: linear-gradient(145deg, var(--blue-primary) 0%, var(--blue-deep) 100%);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.card-front h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.card-tag {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-soft);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.card-desc {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.95);
  word-wrap: break-word;
}

.card-back {
  background: linear-gradient(145deg, var(--blue-deep) 0%, #051a2e 100%);
  color: white;
  transform: rotateY(180deg);
  justify-content: flex-start;
  align-items: stretch;
  text-align: left;
  padding: var(--space-lg);
  overflow-y: auto;
}

.card-back h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-soft);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-back ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-sm) 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.6;
}

.card-back li {
  padding-left: 1em;
  position: relative;
  margin-bottom: 0.35em;
}

.card-back li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--teal-soft);
}

.card-highlight {
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--teal-soft);
  line-height: 1.4;
}

.card-link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.card-link:hover {
  color: var(--gold-light);
}

/* ========== Technology Section (Research intro) ========== */
.technology {
  background: linear-gradient(160deg, var(--blue-deep) 0%, var(--blue-primary) 100%);
  color: white;
  padding-top: var(--space-xl);
}

.technology .section-title {
  color: white;
}

.tech-intro {
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
}

.tech-cta-wrap {
  text-align: center;
  margin-top: var(--space-xl);
}

.tech-cta-wrap .btn {
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
}

.tech-cta-wrap .btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.8);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.tech-card {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.3s var(--ease-out);
}

.tech-card:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

.tech-icon {
  width: 48px;
  height: 48px;
  color: var(--gold-soft);
  margin-bottom: var(--space-md);
}

.tech-icon svg {
  width: 100%;
  height: 100%;
}

.tech-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-sm);
}

.tech-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
}

/* ========== About Section ========== */
.about {
  background: var(--gray-100);
}

.about-content {
  max-width: 720px;
  margin: 0 auto;
}

.about-block {
  margin-bottom: var(--space-xl);
}

.about-block h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blue-deep);
  margin-bottom: var(--space-md);
}

.text-nowrap {
  white-space: nowrap;
}

.about-block p {
  margin-bottom: var(--space-md);
  color: var(--gray-600);
}

.about-list {
  list-style: none;
}

.about-list li {
  margin-bottom: var(--space-md);
  padding-left: 1.5em;
  position: relative;
  color: var(--gray-600);
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--teal-healing);
  border-radius: 50%;
}

.about-vision {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-deep));
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
}

.vision-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
  margin: 0;
}

.vision-text strong {
  color: var(--gold-soft);
}

/* ========== Contact Section ========== */
.contact {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-deep));
  text-align: center;
}

.contact .section-title {
  color: white;
}

.contact-subtitle {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-lg);
}

.contact .btn-primary {
  background: linear-gradient(135deg, var(--gold-radiant), var(--gold-soft));
  color: var(--blue-deep);
  box-shadow: 0 4px 20px rgba(212, 168, 75, 0.35);
}

.contact .btn-primary:hover {
  box-shadow: 0 8px 28px rgba(212, 168, 75, 0.45);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--blue-deep);
  padding: var(--space-xl);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35em;
  margin-bottom: var(--space-xs);
}

.footer-brand .logo-text {
  color: white;
  font-size: 1.2rem;
}

.footer-brand .logo-sub {
  color: var(--gold-soft);
}

.footer-slogan {
  color: var(--gray-200);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.footer-copy {
  color: var(--gray-400);
  font-size: 0.85rem;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .solution-cards {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: 220px;
  }

  .card-inner {
    min-height: 220px;
  }
}