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

:root {
  --bg: #0a0e1a;
  --bg-alt: #111726;
  --bg-card: #161d2f;
  --text: #e8ecf4;
  --text-muted: #8b95a9;
  --primary: #f97316;
  --primary-glow: rgba(249, 115, 22, 0.35);
  --primary-dark: #ea580c;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --max: 1140px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-full { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.header.scrolled { border-bottom-color: var(--border); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}
.logo-dot { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-glow {
  position: absolute;
  top: -10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--primary-glow), transparent 65%);
  filter: blur(40px);
  z-index: 1;
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
}
.section-desc {
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p { color: var(--text-muted); margin-bottom: 18px; }
.about-list { margin-top: 24px; display: grid; gap: 12px; }
.about-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
}
.about-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}
.about-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.about-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.about-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.3s, border-color 0.3s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== Expertise ===== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.expertise-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 3px solid var(--primary);
}
.expertise-item h3 { font-size: 1.1rem; margin-bottom: 10px; }
.expertise-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Clients ===== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.client-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.client-logo {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg-card));
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s;
}
.client-card:hover .client-logo {
  border-color: var(--primary);
}
.client-monogram {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--primary);
}
.client-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.client-location {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: grid; gap: 20px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}
.contact-item:hover { border-color: var(--primary); }
.contact-icon { font-size: 1.5rem; }
.contact-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-value { font-weight: 600; font-size: 0.95rem; }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.contact-form textarea { resize: vertical; }
.form-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--primary);
  min-height: 20px;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 8px; }
.footer-links { display: flex; gap: 28px; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { text-align: center; padding-top: 24px; color: var(--text-muted); font-size: 0.85rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bg-alt);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .menu-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .section { padding: 64px 0; }
}