/* ============================================
   CSS Variables - Dark Theme
   ============================================ */
:root {
  --primary: #6366F1;
  --primary-light: #818CF8;
  --gradient: linear-gradient(135deg, #6366F1, #8B5CF6);
  --bg: #0A0A0A;
  --bg-alt: #111111;
  --bg-card: rgba(255,255,255,0.05);
  --text: #FFFFFF;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --border: rgba(255,255,255,0.1);
  --border-hover: rgba(255,255,255,0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --radius: 8px;
  --radius-lg: 16px;
  --text-hero: clamp(36px, 5vw, 56px);
  --text-h2: clamp(28px, 3.5vw, 40px);
  --text-h3: clamp(20px, 2.5vw, 24px);
  --text-body: 16px;
  --text-small: 14px;
  --text-caption: 12px;
  --space-section: clamp(80px, 10vw, 120px);
  --space-group: clamp(40px, 5vw, 64px);
  --space-element: clamp(16px, 2vw, 24px);
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: fadeIn 0.5s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
}

/* ============================================
   Scroll Animation
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.animate-on-scroll.visible .stagger-item { opacity: 0; transform: translateY(20px); animation: staggerIn 0.5s ease-out forwards; }
.animate-on-scroll.visible .stagger-item:nth-child(1) { animation-delay: 0s; }
.animate-on-scroll.visible .stagger-item:nth-child(2) { animation-delay: 0.1s; }
.animate-on-scroll.visible .stagger-item:nth-child(3) { animation-delay: 0.15s; }
.animate-on-scroll.visible .stagger-item:nth-child(4) { animation-delay: 0.2s; }
.animate-on-scroll.visible .stagger-item:nth-child(5) { animation-delay: 0.25s; }
.animate-on-scroll.visible .stagger-item:nth-child(6) { animation-delay: 0.3s; }
@keyframes staggerIn { to { opacity: 1; transform: translateY(0); } }

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 6px 24px rgba(99,102,241,0.5); }

/* ============================================
   Header
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
header.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px clamp(20px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.desktop-nav {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: var(--text-small);
  color: var(--text-muted);
  transition: color 0.2s;
  font-weight: 500;
}
.nav-link:hover { color: #fff; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: #111;
  z-index: 1001;
  transition: right 0.3s ease;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-menu.open { right: 0; }
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.mobile-close {
  background: none;
  border: none;
  color: #fff;
  padding: 4px;
}
.mobile-link {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-link:hover { color: #fff; }
.mobile-cta {
  margin-top: 24px;
  text-align: center;
}
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 1000;
}
.overlay.open { opacity: 1; pointer-events: auto; }

/* ============================================
   Section Header
   ============================================ */
.section-header { text-align: center; margin-bottom: var(--space-group); }
.section-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.section-title {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: var(--text-body);
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* ============================================
   Buttons
   ============================================ */
.btn-gradient {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}
.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99,102,241,0.5);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}
.btn-form {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  justify-content: center;
}

/* Pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(99,102,241,0.3);
}
.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 12vw, 140px) 0 var(--space-section);
}
.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}
.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: #6366F1;
  top: -20%;
  right: -10%;
  animation: float1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: #8B5CF6;
  bottom: -10%;
  left: -5%;
  animation: float2 10s ease-in-out infinite;
}
@keyframes float1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 20px); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyecatch { margin-bottom: 24px; }
.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.pc-only { display: inline; }
.hero-subtitle {
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-urgency {
  font-size: 14px;
  font-weight: 600;
  color: #F59E0B;
  margin-bottom: 16px;
  padding: 8px 16px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius);
  display: inline-block;
  animation: pulse-urgency 2s ease-in-out infinite;
}
@keyframes pulse-urgency {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.3); }
  50% { box-shadow: 0 0 0 6px rgba(245,158,11,0); }
}
.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-value {
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label {
  display: block;
  font-size: var(--text-caption);
  color: var(--text-dim);
  margin-top: 2px;
}

/* Console Mock */
.console-mock {
  background: #1A1A2E;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.console-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.console-dots { display: flex; gap: 6px; }
.console-dots span { width: 10px; height: 10px; border-radius: 50%; }
.console-dots span:nth-child(1) { background: #EF4444; }
.console-dots span:nth-child(2) { background: #F59E0B; }
.console-dots span:nth-child(3) { background: #10B981; }
.console-title {
  font-size: 12px;
  color: var(--text-dim);
  font-family: 'Space Grotesk', monospace;
}
.console-body {
  padding: 20px;
  font-family: 'Space Grotesk', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.8;
}
.console-line { margin-bottom: 4px; }
.c-prompt { color: #10B981; }
.c-cmd { color: #60A5FA; }
.c-arg { color: var(--text-muted); }
.c-output { color: var(--text-dim); padding-left: 16px; }
.c-success { color: #10B981; }
.console-cursor {
  display: inline-block;
  color: #10B981;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============================================
   Challenges
   ============================================ */
.challenges {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.challenge-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s;
}
.challenge-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.challenge-number {
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.challenge-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.challenge-card p {
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   Flow
   ============================================ */
.flow {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.flow-steps {
  max-width: 700px;
  margin: 0 auto;
}
.flow-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.flow-step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}
.flow-step-number span {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.flow-step-content { flex: 1; }
.flow-step-content h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.flow-step-content p {
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}
.flow-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.flow-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  border: 1px solid rgba(99,102,241,0.3);
}
.flow-connector {
  display: flex;
  justify-content: center;
  padding: 8px 0 8px 28px;
}

/* ============================================
   Results
   ============================================ */
.results {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}
.result-value {
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.result-label {
  font-size: var(--text-small);
  color: var(--text-muted);
  margin-bottom: 16px;
}
.result-bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.result-bar-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 2px;
}

/* ============================================
   Cases
   ============================================ */
.cases {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s;
}
.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.case-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  margin-bottom: 16px;
}
.case-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.4;
}
.case-company {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.case-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.case-company-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.case-company-size {
  font-size: 12px;
  color: var(--text-dim);
}
.case-desc {
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.case-metrics {
  display: flex;
  gap: 20px;
}
.case-metric {
  flex: 1;
  text-align: center;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.case-metric-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-metric-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ============================================
   About
   ============================================ */
.about {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text {
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 24px;
  margin-bottom: 32px;
}
.about-facts {
  display: flex;
  gap: 32px;
}
.about-fact-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.about-fact-label {
  display: block;
  font-size: var(--text-caption);
  color: var(--text-dim);
  margin-top: 2px;
}
.about-image img {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-text {
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 20px;
  margin-bottom: 28px;
}
.contact-benefits {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-muted);
}

/* Form Card */
.form-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}
.form-group { margin-bottom: 16px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}
.required { color: #F87171; font-size: 11px; margin-left: 4px; }
.form-input {
  width: 100%;
  padding: 11px 14px;
  font-size: 15px;
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  font-family: inherit;
  background: rgba(255,255,255,0.05);
  color: #fff;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}
.form-input::placeholder { color: rgba(255,255,255,0.3); }
.form-textarea { resize: vertical; min-height: 100px; }
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.form-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-caption);
  color: var(--text-dim);
  margin-top: 12px;
}

/* ============================================
   Footer
   ============================================ */
footer {
  padding: 48px 0 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.footer-info p {
  font-size: var(--text-caption);
  color: var(--text-dim);
  line-height: 1.6;
}
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-social a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: var(--text-caption);
  color: var(--text-dim);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: var(--text-caption);
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

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

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pc-only { display: none; }
  .hero-stats { gap: 20px; }
  .hero-stat-value { font-size: 22px; }

  .challenges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cases-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-image { order: -1; }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}

/* ============================================
   Responsive: Mobile
   ============================================ */
@media (max-width: 480px) {
  .hero { padding-top: 80px; }
  .hero-actions {
    flex-direction: column;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  .hero-stat {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .challenges-grid {
    grid-template-columns: 1fr;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .flow-step {
    flex-direction: column;
    gap: 16px;
  }
  .flow-connector { padding-left: 0; }
  .about-facts {
    flex-direction: column;
    gap: 16px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .case-metrics {
    flex-direction: column;
    gap: 8px;
  }
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}