/* Dev Marketing Co — Custom Styles */
/* Dark, technical, premium — Vercel/Linear aesthetic */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #161922;
  --bg-tertiary: #1c1f2e;
  --bg-card: #1a1d2e;
  --accent: #0066FF;
  --accent-hover: #0052cc;
  --accent-glow: rgba(0, 102, 255, 0.15);
  --text-primary: #f0f0f0;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border: #2a2d3a;
  --border-hover: #3a3d4a;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

.mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
  font-weight: 400;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links .nav-cta {
  background: var(--accent);
  color: white;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.875rem;
  transition: background 0.2s, transform 0.2s;
}

.nav-links .nav-cta:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-1px);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  /* Remove backdrop-filter so it doesn't create a containing block for fixed children */
  .nav.mobile-open {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: #0f1117;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 64px);
    z-index: 999;
    background-color: #0f1117;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 60px 24px;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 1.25rem;
  }
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 102, 255, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 16px;
  max-width: 600px;
  line-height: 1.6;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 560px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.3s, transform 0.2s;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 10px;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 1.25rem;
}

.card h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card p {
  font-size: 0.9375rem;
}

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

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* Section Headers */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 48px;
}

/* Code Block / Terminal */
.terminal {
  background: #0d0d11;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-body {
  padding: 20px;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
}

.terminal-body .prompt {
  color: var(--success);
}

.terminal-body .command {
  color: var(--text-primary);
}

.terminal-body .output {
  color: var(--text-muted);
}

.terminal-body .highlight {
  color: var(--accent);
}

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

.stat {
  text-align: center;
}

.stat-value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-value .accent {
  color: var(--accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

/* Case Study Cards */
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 102, 255, 0.1);
}

.case-card-company {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-card h3 {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 1.25rem;
  line-height: 1.4;
}

.case-card p {
  font-size: 0.9375rem;
  flex: 1;
  margin-bottom: 20px;
}

.case-card-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-card-link:hover {
  gap: 10px;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 102, 255, 0.3);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.process-step h3 {
  margin-bottom: 8px;
  font-size: 1.125rem;
}

.process-step p {
  font-size: 0.9rem;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 32px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 14px 20px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Funnel Diagram */
.funnel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 32px 0;
}

.funnel-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.funnel-step.broken {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
}

.funnel-step.fixed {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.05);
}

.funnel-arrow {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.75rem;
}

/* CTA Bar */
.cta-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
  text-align: center;
}

.cta-bar h2 {
  margin-bottom: 12px;
}

.cta-bar p {
  margin: 0 auto 32px;
  font-size: 1.1rem;
}

/* Contact Form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Page Header (for inner pages) */
.page-header {
  padding: 140px 0 60px;
  border-bottom: 1px solid var(--border);
}

.page-header .section-label {
  margin-bottom: 16px;
}

.page-header h1 {
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.15rem;
  max-width: 640px;
}

/* Case Study Detail */
.case-hero {
  padding: 140px 0 60px;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.case-tag.live {
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--success);
  background: rgba(34, 197, 94, 0.08);
}

.case-content {
  max-width: 800px;
}

.case-content h2 {
  margin-top: 64px;
  margin-bottom: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.case-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.case-content p {
  margin-bottom: 16px;
}

.case-content ul {
  list-style: none;
  margin-bottom: 24px;
}

.case-content ul li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.case-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* Service Detail */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }
}

/* Pricing Callout */
.pricing-callout {
  background: var(--accent-glow);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.pricing-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-note {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* About Narrative */
.narrative {
  max-width: 720px;
}

.narrative p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.narrative .quote {
  font-size: 1.25rem;
  color: var(--text-primary);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin: 40px 0;
  font-style: italic;
}

/* Logos / Brands */
.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.brand-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* Utility */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.6s ease-out forwards;
}

.fade-up-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}