/* ============================================
   CSS Custom Properties — JD Red Theme
   ============================================ */
:root {
  /* Brand Colors */
  --jd-red: #E60012;
  --jd-red-dark: #B8000E;
  --jd-red-light: #FF1A2E;
  --jd-red-gradient: linear-gradient(135deg, #E60012, #FF4757);

  /* Neutrals */
  --white: #FFFFFF;
  --warm-white: #FFFAFA;
  --light-gray: #F5F5F5;
  --border-light: #FFE5E5;

  /* Text */
  --text-dark: #1A1A1A;
  --text-mid: #666666;
  --text-light: #999999;

  /* Accent */
  --gold: #D4A853;
  --red-bg-light: #FFF0F0;

  /* Spacing */
  --container-max: 1200px;
  --section-pad: 100px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(230, 0, 18, 0.06);
  --shadow-md: 0 4px 16px rgba(230, 0, 18, 0.08);
  --shadow-lg: 0 8px 32px rgba(230, 0, 18, 0.12);
  --shadow-xl: 0 16px 48px rgba(230, 0, 18, 0.16);
  --shadow-btn: 0 4px 20px rgba(230, 0, 18, 0.35);

  /* Transition */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad) 0;
}

/* ============================================
   Section Header (shared)
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--red-bg-light);
  color: var(--jd-red);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 560px;
  margin: 0 auto;
}

.highlight {
  color: var(--jd-red);
  position: relative;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--jd-red);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  font-size: 0.95rem;
  transition: all 0.3s var(--ease-out);
  border: 2px solid var(--jd-red);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--jd-red-dark);
  border-color: var(--jd-red-dark);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--jd-red);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  font-size: 0.95rem;
  border: 2px solid var(--jd-red);
  transition: all 0.3s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--red-bg-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg { padding: 15px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-xl { padding: 18px 48px; font-size: 1.1rem; border-radius: var(--radius-lg); }

/* ============================================
   1. NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 0;
  transition: all 0.3s var(--ease-out);
  background: transparent;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  padding: 8px 0;
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-dark);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--jd-red);
  transform: scaleX(0);
  transition: transform 0.2s var(--ease-out);
}

.nav-links a:hover {
  color: var(--jd-red);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 8px 22px !important;
  font-size: 0.85rem !important;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   2. HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--warm-white);
  padding: 120px 24px 80px;
}

.hero-glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(230, 0, 18, 0.08) 0%, rgba(230, 0, 18, 0.03) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Decorative elements */
.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.decor-circle {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(230, 0, 18, 0.12);
}

.decor-circle-1 {
  width: 300px; height: 300px;
  top: -80px; right: -60px;
}

.decor-circle-2 {
  width: 180px; height: 180px;
  bottom: 60px; left: -40px;
}

.decor-line {
  position: absolute;
  background: rgba(230, 0, 18, 0.06);
}

.decor-line-1 {
  width: 1px; height: 200px;
  top: 10%; right: 15%;
  transform: rotate(30deg);
}

.decor-line-2 {
  width: 1px; height: 150px;
  bottom: 20%; left: 10%;
  transform: rotate(-20deg);
}

/* Hero Content */
.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-mid);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--jd-red);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-dark);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Hero mini stats */
.hero-stats-mini {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 16px 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.stat-mini {
  padding: 0 24px;
  text-align: center;
}

.stat-mini-num {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--jd-red);
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
}

.stat-mini-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}

.stat-mini-divider {
  width: 1px;
  height: 36px;
  background: var(--border-light);
}

/* Floating Card */
.hero-card-float {
  position: absolute;
  right: 8%;
  bottom: 20%;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.float-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.float-card-num {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--jd-red);
  line-height: 1;
}

.float-card-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}

/* ============================================
   3. TRUST BAR
   ============================================ */
.trust-bar {
  padding: 48px 0;
  background: var(--text-dark);
}

.trust-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
}

.trust-item {
  text-align: center;
  padding: 0 48px;
}

.trust-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--white);
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.trust-num-accent {
  color: var(--jd-red-light);
}

.trust-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.trust-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
}

/* ============================================
   4. SERVICES
   ============================================ */
.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.service-card {
  background: var(--white);
  border: 1px solid #F0F0F0;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all 0.35s var(--ease-out);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  border-color: var(--jd-red);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  background: var(--warm-white);
}

.service-icon {
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-bottom {
  margin-top: auto;
}

.service-features {
  list-style: none;
  margin-bottom: 18px;
  min-height: 90px;
}

.service-features li {
  font-size: 0.82rem;
  color: var(--text-mid);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jd-red);
}


.service-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  background: var(--red-bg-light);
  color: var(--jd-red);
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 12px;
}

.tag-gold {
  background: #FFF9ED;
  color: var(--gold);
}

/* ============================================
   5. SUCCESS CASES
   ============================================ */
.cases {
  background: var(--light-gray);
}

.cases-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  border: 1px solid #F0F0F0;
  transition: all 0.35s var(--ease-out);
}

.case-card:hover {
  border-color: var(--jd-red);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.case-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.case-tag {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--red-bg-light);
  color: var(--jd-red);
}

.case-level {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #F5F5F5;
  color: var(--text-mid);
}

.case-tag.tag-gold { background: #FFF9ED; color: #B08820; }
.case-level.level-gold { background: #FFF9ED; color: #B08820; }

.case-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.case-flow {
  margin-bottom: 20px;
}

.case-step {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
  padding: 6px 0;
  padding-left: 16px;
  border-left: 2px solid var(--border-light);
}

.case-step strong {
  color: var(--text-dark);
}

.case-stats-row {
  display: flex;
  gap: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.case-stat {
  font-size: 0.82rem;
  color: var(--text-light);
}

.case-stat span {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--jd-red);
}

/* ============================================
   6. PROCESS
   ============================================ */
.process {
  background: var(--white);
}

.process-timeline {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 62px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: var(--border-light);
  z-index: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 16px;
  transition: transform 0.3s var(--ease-out);
}

.process-step:hover {
  transform: translateY(-6px);
}

.step-number {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--jd-red);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--white);
  border: 2px solid var(--border-light);
  border-radius: 50%;
  transition: all 0.3s var(--ease-out);
}

.process-step:hover .step-icon {
  border-color: var(--jd-red);
  box-shadow: 0 0 0 8px var(--red-bg-light);
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.55;
}

/* ============================================
   7. ABOUT / TIMELINE
   ============================================ */
.about {
  background: var(--light-gray);
}

.about-content {
  max-width: 700px;
  margin: 0 auto;
}

.about-timeline {
  position: relative;
  padding-left: 40px;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-light);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--jd-red);
  border: 3px solid var(--red-bg-light);
  box-shadow: 0 0 0 4px var(--white);
  z-index: 1;
}

.timeline-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  border: 1px solid #F0F0F0;
  transition: all 0.3s var(--ease-out);
}

.timeline-card:hover {
  border-color: var(--jd-red);
  box-shadow: var(--shadow-md);
}

.timeline-period {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--jd-red);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 12px;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-tags span {
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 500;
  background: var(--red-bg-light);
  color: var(--jd-red);
  border-radius: 8px;
}

/* ============================================
   8. CTA SECTION
   ============================================ */
.cta-section {
  padding: 100px 0;
  background: var(--warm-white);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230, 0, 18, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 36px;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta-hint {
  font-size: 0.88rem;
  color: var(--text-light);
}

.cta-hint strong {
  color: var(--jd-red);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--text-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 260px;
}

.footer-brand-name {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  margin: 12px 0 8px;
}

.footer-brand-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links-group {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col a,
.footer-col span {
  display: block;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--jd-red-light);
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   Contact Modal
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px 24px;
  max-width: 400px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s var(--ease-out);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.modal-sub {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 24px;
}

.modal-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--light-gray);
  border-radius: var(--radius-md);
}

.contact-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--jd-red);
  min-width: 40px;
}

.contact-id {
  font-size: 0.92rem;
  color: var(--text-dark);
  font-weight: 500;
  flex-grow: 1;
  user-select: all;
}

.btn-copy {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--jd-red);
  background: var(--white);
  border: 1.5px solid var(--jd-red);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--jd-red);
  color: var(--white);
}

.btn-copy.copied {
  background: #10B981;
  border-color: #10B981;
  color: var(--white);
}

.modal-toast {
  text-align: center;
  font-size: 0.82rem;
  color: #10B981;
  font-weight: 600;
  margin-top: 16px;
  min-height: 20px;
  transition: opacity 0.3s;
}

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Stagger delay for cards */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.19s; }
.reveal-delay-4 { transition-delay: 0.26s; }

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline {
    flex-wrap: wrap;
    gap: 32px;
  }

  .process-timeline::before {
    display: none;
  }

  .process-step {
    flex: 0 0 calc(50% - 32px);
  }

  .hero-card-float {
    display: none;
  }

  .trust-item {
    padding: 0 28px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-inner {
    height: 48px;
  }

  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats-mini {
    flex-wrap: wrap;
    gap: 12px;
  }

  .stat-mini-divider {
    display: none;
  }

  .trust-grid {
    flex-wrap: wrap;
    gap: 24px;
  }

  .trust-divider {
    display: none;
  }

  .trust-item {
    flex: 0 0 calc(50% - 24px);
    padding: 0;
  }

  .trust-num {
    font-size: 1.75rem;
  }

  .process-step {
    flex: 0 0 100%;
  }

  .case-card {
    padding: 24px;
  }

  .case-stats-row {
    gap: 16px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-outline {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  .footer-main {
    flex-direction: column;
    gap: 36px;
  }

  .footer-links-group {
    gap: 32px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .about-timeline {
    padding-left: 30px;
  }

  .timeline-dot {
    left: -25px;
    width: 10px;
    height: 10px;
  }

  .case-stats-row {
    flex-direction: column;
    gap: 8px;
  }
}