:root {
  --bg: #0a0f1a;
  --bg-elevated: #111827;
  --bg-card: #1a2234;
  --fg: #e8edf5;
  --fg-muted: #8b9ab5;
  --accent: #4f8fff;
  --accent-glow: rgba(79, 143, 255, 0.15);
  --border: #1e2a3d;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1140px;
  --radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 600;
}

/* Section label */
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid rgba(79, 143, 255, 0.25);
  border-radius: 4px;
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 120px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-inner {
  margin-bottom: 64px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(79, 143, 255, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 24px;
  max-width: 800px;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 13px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 13px 28px;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--fg);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ─── Problem ────────────────────────────────────────────────── */
.problem {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ─── Case Studies ───────────────────────────────────────────── */
.case-studies {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.case-studies-inner > h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 56px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s;
}

.case-card:hover {
  border-color: rgba(79, 143, 255, 0.4);
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.case-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 8px;
  background: var(--accent-glow);
  border-radius: 4px;
}

.case-industry {
  font-size: 12px;
  color: var(--fg-muted);
}

.case-card h3 {
  font-size: 1.15rem;
  line-height: 1.35;
}

.case-summary {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

.case-outcome {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px;
  background: var(--bg-elevated);
  border-radius: 8px;
  border: 1px solid var(--border);
}

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

.outcome-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.outcome-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

.case-detail {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ─── Services ───────────────────────────────────────────────── */
.services {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.services-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.services-header {
  margin-bottom: 56px;
}

.services-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
}

.services-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-item {
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  position: relative;
  transition: border-color 0.2s;
  display: flex;
  gap: 20px;
}

.service-item:hover {
  border-color: rgba(79, 143, 255, 0.5);
}

.service-item--featured {
  border-color: rgba(79, 143, 255, 0.35);
}

.service-marker {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.service-content {
  flex: 1;
}

.service-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.service-item h3 {
  font-size: 1.1rem;
}

.service-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
}

.price-range {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.2;
}

.price-unit {
  font-size: 0.78rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

.service-item p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ─── Approach ───────────────────────────────────────────────── */
.approach {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.approach-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}

.approach-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 40px;
}

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

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 32px;
  opacity: 0.8;
}

.step-content h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.approach-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 72px;
}

.aside-card {
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.aside-card h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.aside-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Contact ────────────────────────────────────────────────── */
.contact {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.contact-left h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-detail-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s;
}

a.contact-detail-value:hover {
  color: var(--accent);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.01em;
}

.required {
  color: var(--accent);
}

.optional {
  color: var(--fg-muted);
  font-weight: 400;
  font-size: 12px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #4a5568;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 6px;
  background: var(--fg-muted);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  pointer-events: none;
}

.select-wrapper select {
  cursor: pointer;
}

.select-wrapper select option {
  background: var(--bg-card);
  color: var(--fg);
}

.form-footer {
  display: flex;
  align-items: center;
}

.submit-btn {
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.submit-btn:hover:not(:disabled) {
  opacity: 0.88;
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  padding: 14px 18px;
  border-radius: 6px;
  font-size: 0.92rem;
  line-height: 1.6;
}

.form-status--success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

.form-status--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.footer-dot {
  margin: 0 8px;
  opacity: 0.5;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cases-grid {
    grid-template-columns: 1fr;
    max-width: 680px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

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

  .service-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-price {
    align-items: flex-start;
  }

  .approach-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .approach-aside {
    padding-top: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}