/* === XU QING TECHNOLOGY — Design System === */
/* Palette: Midnight & Ember — strong contrast, no rgba text */

:root {
  --color-primary: #1B1B3A;
  --color-primary-light: #2D2D5E;
  --color-secondary: #D4653B;
  --color-secondary-dark: #B84F2A;
  --color-accent: #F0A33E;
  --color-accent-light: #F5C26B;
  --color-bg: #FCFAF7;
  --color-surface: #FFFFFF;
  --color-text: #1E1D24;
  --color-text-muted: #6B6776;
  --color-border: #EBE7E0;
  --color-border-light: #F2EFEA;
  --color-success: #1F7B5C;

  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.09);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.11);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.22, 0.61, 0.36, 1);

  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === TYPOGRAPHY === */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.section-header { margin-bottom: 3.5rem; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border: 2px solid var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 2px solid var(--color-accent);
  font-weight: 700;
}
.btn-accent:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-ghost-light {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-ghost-light:hover {
  border-color: #FFFFFF;
  background: rgba(255,255,255,0.1);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(252, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-base);
}

.site-header.scrolled {
  background: rgba(252, 250, 247, 0.98);
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}
.logo-icon svg { display: block; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-zh {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}
.logo-en {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* Nav */
.main-nav ul {
  display: flex;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.main-nav a:hover {
  background: var(--color-border-light);
  color: var(--color-secondary);
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}
.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.nav-toggle.active .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active .toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === HERO === */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 60px) 0 80px;
  overflow: hidden;
  background: var(--color-bg);
}

.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-bg-shape--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240, 163, 62, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}
.hero-bg-shape--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 101, 59, 0.06) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-light) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}
.hero-title-line { display: block; }
.hero-title-highlight {
  color: var(--color-secondary);
  position: relative;
}
.hero-title-highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  opacity: 0.4;
  border-radius: 2px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats-mini {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.hero-stat-mini {
  display: flex;
  flex-direction: column;
}
.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}
.hero-stat-plus { color: var(--color-secondary); }
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 440px;
}

.hero-orb {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--color-primary), var(--color-secondary), var(--color-accent), var(--color-primary));
  opacity: 0.12;
  filter: blur(40px);
  position: absolute;
}

.hero-ring {
  position: absolute;
  width: 400px;
  height: 400px;
  animation: heroRingSpin 60s linear infinite;
}
@keyframes heroRingSpin {
  to { transform: rotate(360deg); }
}

.hero-card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}
.hero-card-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-border-light);
  font-size: 0.9rem;
  color: var(--color-secondary);
}
.hero-card--1 { top: 30px; left: 20px; }
.hero-card--2 { top: 150px; right: 0; }
.hero-card--3 { bottom: 50px; left: 40px; }

/* === SERVICES === */
.services {
  padding: 100px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

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

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}
.service-card:hover {
  border-left-color: var(--color-secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
  color: var(--color-secondary);
}

.service-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.service-card-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card-list li {
  font-size: 0.84rem;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
}
.service-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* === ABOUT === */
.about {
  padding: 100px 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 2rem;
}

.about-feature {
  display: flex;
  gap: 14px;
}
.about-feature-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-success);
  color: #FFFFFF;
  font-size: 0.75rem;
  margin-top: 2px;
}
.about-feature strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.about-feature p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.about-visual {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.about-card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.about-card-stat {
  text-align: center;
}
.about-stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1.1;
}
.about-stat-unit { font-size: 1.2rem; }
.about-stat-desc {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

.about-address-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}
.about-address-card svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-secondary);
}
.about-address-card strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.about-address-card p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* === PROCESS === */
.process {
  padding: 100px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

.process-track {
  position: relative;
  padding-left: 80px;
}

.process-line {
  position: absolute;
  left: 23px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.process-steps { display: flex; flex-direction: column; gap: 32px; }

.process-step {
  display: flex;
  gap: 24px;
  position: relative;
}

.process-step-marker {
  position: absolute;
  left: -80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.process-step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary);
}
.process-step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-secondary);
  position: relative;
  z-index: 1;
}

.process-step-body {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  flex: 1;
  transition: all var(--transition-base);
}
.process-step-body:hover {
  border-left: 3px solid var(--color-secondary);
  box-shadow: var(--shadow-md);
}
.process-step-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.process-step-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === INDUSTRIES === */
.industries {
  padding: 100px 0;
  background: var(--color-bg);
}

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

.industry-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition-base);
}
.industry-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.industry-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.industry-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.industry-item p {
  font-size: 0.87rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === STATS === */
.stats {
  padding: 80px 0;
  background: var(--color-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-top: 0.5rem;
}

.stat-desc {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 0.25rem;
}

/* === CONTACT === */
.contact {
  padding: 100px 0;
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.93rem;
  color: var(--color-text);
}
.contact-method svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-secondary);
}
.contact-method a {
  color: var(--color-secondary);
  font-weight: 500;
}
.contact-method a:hover { text-decoration: underline; }

/* Form */
.contact-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.93rem;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(212, 101, 59, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #B0ACB6; }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6776' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 4px;
}

/* === CTA === */
.cta {
  padding: 0 0 100px;
  background: var(--color-bg);
}

.cta-card {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(240, 163, 62, 0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1rem;
  position: relative;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* === FOOTER === */
.site-footer {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}
.footer-brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-desc {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

.footer-nav-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-nav-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
}
.footer-nav-col a:hover { color: var(--color-accent); }

.footer-bottom {
  padding-top: 28px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

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

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  /* Nav */
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }
  .main-nav.active {
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .main-nav a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  /* Hero */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-content { max-width: 100%; }
  .hero-visual { height: 320px; }
  .hero-ring { width: 300px; height: 300px; }
  .hero-card--1 { top: 10px; left: 0; }
  .hero-card--2 { top: 100px; right: -10px; }
  .hero-card--3 { bottom: 20px; left: 10px; }
  .hero-stats-mini { gap: 1.5rem; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 24px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { position: static; }
  .about-card { grid-template-columns: repeat(3, 1fr); padding: 24px; }
  .about-stat-num { font-size: 1.6rem; }

  /* Process */
  .process-track { padding-left: 60px; }
  .process-step-marker { left: -60px; }

  /* Industries */
  .industries-grid { grid-template-columns: 1fr; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  /* CTA */
  .cta-card { padding: 48px 24px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Legal pages */
  .legal-page { padding: 100px 20px 60px; }
  .legal-page h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .hero-stats-mini { flex-wrap: wrap; gap: 1rem; }
  .hero-stat-mini { min-width: 80px; }
  .hero-card { font-size: 0.72rem; padding: 10px 14px; }
  .hero-card-icon { width: 28px; height: 28px; font-size: 0.7rem; }
  .hero-visual { height: 260px; }
  .hero-ring { width: 240px; height: 240px; }
  .about-card { grid-template-columns: repeat(3, 1fr); padding: 20px; }
  .stats-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .process-track { padding-left: 44px; }
  .process-step-marker { left: -44px; }
  .contact-form-wrap { padding: 24px; }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-card, .industry-item, .process-step-body {
  animation: fadeInUp 0.6s ease both;
}
.service-card:nth-child(2) { animation-delay: 0.1s; }
.service-card:nth-child(3) { animation-delay: 0.2s; }
.service-card:nth-child(4) { animation-delay: 0.3s; }
.service-card:nth-child(5) { animation-delay: 0.4s; }
.service-card:nth-child(6) { animation-delay: 0.5s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}