/* ============================================
   Duce Namazi LLC — Main Stylesheet
   Computer Systems Design & Related Services
   ============================================ */

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

:root {
  --deep:       #0f1923;
  --deep-alt:   #182536;
  --card-bg:    #1d2d40;
  --accent:     #d4a853;
  --accent-dim: #b8923a;
  --teal:       #4a9e8c;
  --teal-dim:   #3b8070;
  --white:      #f0f4f8;
  --steel:      #b0bec5;
  --steel-dim:  #78909c;
  --border:     #263445;
  --radius:     8px;
  --radius-lg:  14px;
  --shadow:     0 4px 24px rgba(0,0,0,0.30);
  --font:       'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:  'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; font-size: 17px; }

body {
  font-family: var(--font);
  background: var(--deep);
  color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--teal); }

/* --- Container --- */
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* --- Header --- */
#header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,25,35,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem; color: var(--white);
}
.logo:hover { color: var(--accent); }
.logo-icon { font-size: 1.5rem; color: var(--accent); }
.logo-llc   { color: var(--steel-dim); font-weight: 500; font-size: 0.85rem; }

.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--steel); font-weight: 500; font-size: 0.95rem; }
.main-nav a:hover { color: var(--accent); }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.menu-toggle span {
  display: block; width: 26px; height: 3px;
  background: var(--white); border-radius: 3px; transition: 0.3s;
}

/* --- Sections --- */
.section { padding: 88px 0; }
.alt-bg  { background: var(--deep-alt); }

.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
  text-transform: uppercase; letter-spacing: 3px; font-size: 0.8rem;
  font-weight: 600; color: var(--accent); margin-bottom: 12px;
}
.section-title {
  font-size: 2.35rem; font-weight: 700; color: var(--white);
  line-height: 1.25; margin-bottom: 18px;
}
.section-desc {
  font-size: 1.08rem; color: var(--steel); max-width: 620px; margin: 0 auto;
}

/* --- Hero --- */
.hero {
  position: relative; padding: 120px 0 100px;
  overflow: hidden;
}
.hero-pattern {
  position: absolute; inset: 0; z-index: 0; opacity: 0.06;
  background:
    radial-gradient(circle at 20% 50%, var(--accent) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, var(--teal) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, var(--accent-dim) 0%, transparent 40%);
}
.hero-content { position: relative; z-index: 1; max-width: 780px; }
.hero-eyebrow {
  text-transform: uppercase; letter-spacing: 2.5px; font-size: 0.82rem;
  font-weight: 600; color: var(--accent); margin-bottom: 16px;
}
.hero-title {
  font-size: 3.2rem; font-weight: 800; color: var(--white);
  line-height: 1.15; margin-bottom: 22px; letter-spacing: -0.5px;
}
.hero-subtitle {
  font-size: 1.18rem; color: var(--steel); line-height: 1.7;
  margin-bottom: 36px; max-width: 640px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Buttons --- */
.btn {
  display: inline-block; padding: 14px 32px; font-size: 0.97rem;
  font-weight: 600; border-radius: var(--radius); cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.15s;
  border: 2px solid transparent; text-align: center;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent); color: var(--deep);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); color: var(--deep); }
.btn-outline {
  background: transparent; color: var(--white);
  border-color: var(--steel-dim);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* --- Card Grid --- */
.card-grid { display: grid; gap: 28px; }
.three-col { grid-template-columns: repeat(3, 1fr); }
.two-col   { grid-template-columns: repeat(2, 1fr); }

/* --- Cards --- */
.card {
  background: var(--card-bg); border-radius: var(--radius-lg);
  padding: 34px 30px; border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }

.card-icon {
  font-size: 2rem; color: var(--accent); margin-bottom: 16px;
}
.card-title {
  font-size: 1.2rem; font-weight: 700; color: var(--white);
  margin-bottom: 12px;
}
.card-text { color: var(--steel); line-height: 1.65; margin-bottom: 14px; }

.card-list {
  list-style: none; padding: 0;
}
.card-list li {
  color: var(--steel-dim); font-size: 0.92rem; padding: 4px 0;
  padding-left: 18px; position: relative;
}
.card-list li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

.card-horizontal { display: flex; gap: 24px; align-items: flex-start; }
.card-num {
  font-family: var(--font-mono); font-size: 2.2rem; font-weight: 700;
  color: var(--accent); line-height: 1; flex-shrink: 0; min-width: 56px;
}
.card-center { text-align: center; }

/* --- Timeline --- */
.timeline {
  max-width: 760px; margin: 0 auto;
  position: relative; padding-left: 52px;
}
.timeline::before {
  content: ''; position: absolute; left: 22px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item {
  position: relative; padding-bottom: 40px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker {
  position: absolute; left: -52px; top: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: var(--deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; z-index: 1;
}
.timeline-body {
  background: var(--card-bg); border-radius: var(--radius-lg);
  padding: 28px 30px; border: 1px solid var(--border);
}
.timeline-body .card-title { margin-bottom: 6px; }
.timeline-body .card-text  { margin-bottom: 0; }

/* --- About --- */
.about-grid {
  display: grid; grid-template-columns: 1.25fr 1fr;
  gap: 56px; align-items: start;
}
.about-text p { color: var(--steel); margin-bottom: 16px; font-size: 1.02rem; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.stat-card {
  background: var(--card-bg); border-radius: var(--radius-lg);
  padding: 28px 22px; text-align: center; border: 1px solid var(--border);
}
.stat-number {
  font-size: 2.2rem; font-weight: 800; color: var(--accent);
  font-family: var(--font-mono); line-height: 1.2;
}
.stat-label {
  font-size: 0.85rem; color: var(--steel-dim); text-transform: uppercase;
  letter-spacing: 1.5px; margin-top: 6px; font-weight: 600;
}

/* --- Contact --- */
.contact-inner {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 52px; align-items: center;
}
.contact-text p { color: var(--steel); margin-bottom: 28px; }
.contact-details { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; flex-direction: column; }
.contact-label {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--accent); font-weight: 600; margin-bottom: 4px;
}
.contact-link {
  color: var(--white); font-size: 1.05rem; font-style: normal;
}
.contact-link:hover { color: var(--accent); }

.contact-highlight {
  background: var(--accent); color: var(--deep);
  border-radius: var(--radius-lg); padding: 42px 34px;
}
.contact-highlight-quote {
  font-size: 1.25rem; font-weight: 600; line-height: 1.5;
  font-style: italic; margin-bottom: 12px;
}
.contact-highlight-attrib {
  font-weight: 700; font-size: 0.95rem; color: var(--deep-alt);
}

/* --- Footer --- */
.footer {
  background: #0b141c; padding: 64px 0 0; border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--border);
}
.footer-tagline { color: var(--steel-dim); font-size: 0.9rem; margin-top: 10px; }
.footer-links h4 {
  color: var(--white); font-size: 0.95rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px;
}
.footer-links a, .footer-links address {
  display: block; color: var(--steel-dim); font-size: 0.92rem;
  margin-bottom: 8px; font-style: normal; line-height: 1.6;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; font-size: 0.84rem; color: var(--steel-dim);
}
.footer-bottom a { color: var(--steel-dim); }
.footer-bottom a:hover { color: var(--accent); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .three-col { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .three-col, .two-col { grid-template-columns: 1fr; }

  .main-nav { display: none; }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--deep-alt); padding: 20px 24px;
    border-bottom: 2px solid var(--border); gap: 16px;
  }
  .menu-toggle { display: flex; }

  .hero-title { font-size: 2.2rem; }
  .hero       { padding: 72px 0 64px; }
  .section    { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }

  .about-grid     { grid-template-columns: 1fr; gap: 36px; }
  .contact-inner  { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 28px; }
  .timeline       { padding-left: 40px; }
  .timeline-marker { left: -40px; width: 34px; height: 34px; font-size: 0.9rem; }
  .timeline::before { left: 16px; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}