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

:root {
  --bg: #1c1f2e;
  --bg-2: #232738;
  --bg-3: #2a2e42;
  --surface: #282c3e;
  --border: #363a50;
  --text: #e8e8f0;
  --text-2: #a0a0b8;
  --text-3: #70708a;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.12);
  --gradient: linear-gradient(135deg, #3b82f6, #67b2fa, #3b82f6);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
  background: rgba(28, 31, 46, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
}
.logo-icon { font-size: 1.4rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color var(--transition);
  font-weight: 400;
}
.nav-links a:hover { color: var(--text); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font);
}
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-2);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--text-3);
  color: var(--text);
}
.btn-full { width: 100%; }

/* === Hero === */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  display: flex;
  justify-content: center;
}
.hero-centered {
  text-align: center;
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-2);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.gradient-text {
  background: var(--gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition);
  animation: fadeSlideIn 0.8s ease both;
}
.hero-card:hover { border-color: var(--accent); transform: translateX(4px); }
.card-1 { animation-delay: 0.2s; }
.card-2 { animation-delay: 0.4s; margin-left: 30px; }
.card-3 { animation-delay: 0.6s; margin-left: 15px; }
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
.card-icon { font-size: 1.5rem; }
.card-label { font-weight: 500; font-size: 0.95rem; }
.card-stat { color: var(--accent-2); font-size: 0.85rem; margin-left: auto; }

/* === Section Headers === */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-header p {
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* === Services === */
.services { padding: 120px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}
.service-icon { font-size: 2rem; margin-bottom: 20px; }
.service-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card > p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-list li {
  font-size: 0.88rem;
  color: var(--text-3);
  padding-left: 16px;
  position: relative;
}
.service-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-size: 0.8rem;
}

/* === Process === */
.process {
  padding: 120px 0;
  background: var(--bg-2);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: all var(--transition);
}
.process-step:hover { border-color: var(--accent); }
.step-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
  margin-bottom: 16px;
}
.process-step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.process-step p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === Results === */
.results { padding: 80px 0; }
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.result-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.result-number {
  font-size: 2.8rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.result-label {
  font-size: 0.9rem;
  color: var(--text-2);
}

/* === Case Studies === */
.cases { padding: 120px 0; background: var(--bg-2); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}
.case-industry {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}
.case-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.3;
}
.case-card > p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}
.case-results {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.case-stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--text-3); }
.case-tech {
  font-size: 0.78rem;
  color: var(--text-3);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.3px;
}

/* === About === */
.about {
  padding: 120px 0;
  background: var(--bg-2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-description {
  margin-top: 48px;
  max-width: 800px;
}
.about-description p {
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.founder-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.founder-header {
  display: flex;
  align-items: center;
  gap: 14px;
}
.founder-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.founder-avatar-img {
  width: 64px;
  height: 64px;
  min-width: 64px;
  min-height: 64px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  flex-shrink: 0;
  border: 2px solid var(--border);
}
.founder-title {
  font-size: 0.85rem;
  color: var(--accent-2);
  margin-bottom: 8px;
}
.founder-bio {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 8px;
}
.founder-links { display: flex; gap: 12px; }
.founder-link {
  font-size: 0.85rem;
  color: var(--accent-2);
  font-weight: 500;
  transition: color var(--transition);
}
.founder-link:hover { color: var(--text); }
.about-principles { display: flex; flex-direction: column; gap: 24px; }
.principle {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.principle h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.principle p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === CTA / Contact === */
.cta { padding: 120px 0; }
.cta-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.cta-content h2 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-content > p {
  color: var(--text-2);
  font-size: 1.05rem;
  margin-bottom: 48px;
  line-height: 1.7;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-3); }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { resize: vertical; min-height: 100px; }
.form-success {
  text-align: center;
  padding: 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent-2);
  font-size: 0.95rem;
}

/* === Footer === */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 500;
  font-size: 0.9rem;
}
.footer-brand-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.footer-address {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 400;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* === Responsive === */
@media (max-width: 968px) {
  .hero h1 { font-size: 2.6rem; }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-card { flex-wrap: wrap; }
  .card-stat { margin-left: 0; font-size: 0.8rem; }
  .card-2 { margin-left: 0; }
  .card-3 { margin-left: 0; }
  .section-header h2 { font-size: 1.8rem; }
  .process-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { 
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: flex; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .cta-content h2 { font-size: 1.8rem; }
}