/* TechXellency - Where Technology Meets Excellency */

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

:root {
  --navy: #0F172A;
  --navy-light: #1e293b;
  --gold: #D97706;
  --gold-hover: #b45309;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--navy);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== Layout ===== */
.container { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }

/* ===== Header ===== */
.header {
  background: var(--navy);
  color: white;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.header-logo .gold { font-style: italic; }
.header-logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.header-logo .gold { color: var(--gold); font-style: italic; }
.header-nav { display: flex; gap: 1.5rem; }
.header-nav a {
  font-size: 0.875rem;
  color: #d1d5db;
  transition: color 0.2s;
}
.header-nav a:hover { color: white; }
.header-cta {
  background: var(--gold);
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: background 0.2s;
}
.header-cta:hover { background: var(--gold-hover); }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .header-nav {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1rem;
    gap: 0.75rem;
  }
  .header-nav.active { display: flex; }
  .header-cta { display: none; }
}

/* ===== Footer ===== */
.footer {
  background: var(--navy);
  color: #9ca3af;
  padding: 3rem 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}
.footer-title { color: white; font-weight: 500; margin-bottom: 0.5rem; }
.footer-brand { font-size: 1.25rem; font-weight: 600; color: white; margin-bottom: 0.5rem; }
.footer-brand .gold { color: var(--gold); font-style: italic; }
.footer-links a { display: block; font-size: 0.875rem; margin-bottom: 0.25rem; transition: color 0.2s; }
.footer-links a:hover { color: white; }
.footer-bottom {
  text-align: center;
  font-size: 0.75rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  transition: background 0.2s, transform 0.1s;
  font-size: 1rem;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--gold); color: white; }
.btn-primary:hover { background: var(--gold-hover); }
.btn-outline {
  border: 2px solid var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn-outline:hover { background: var(--navy); color: white; }
.btn-dark { background: var(--navy); color: white; }
.btn-dark:hover { background: var(--navy-light); }

/* ===== Hero ===== */
.hero {
  background: var(--navy);
  color: white;
  padding: 6rem 0;
  text-align: center;
}
.hero h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.hero h1 .gold { color: var(--gold); }
.hero p { font-size: 1.125rem; color: #d1d5db; max-width: 42rem; margin: 0 auto 2rem; }
@media (min-width: 768px) { .hero h1 { font-size: 3.75rem; } }

/* ===== Sections ===== */
.section { padding: 4rem 0; }
.section-alt { background: var(--gray-50); }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.section-subtitle { color: var(--gray-600); max-width: 42rem; margin-bottom: 3rem; }

/* ===== Cards ===== */
.card {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  border: 1px solid var(--gray-100);
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }

/* ===== Tags ===== */
.tag {
  display: inline-block;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  font-size: 0.8125rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

/* ===== Page Header ===== */
.page-header { padding: 4rem 0 2rem; }
.page-header h1 { font-size: 2.5rem; font-weight: 700; }
.page-header .subtitle { color: var(--gray-600); font-size: 1.125rem; margin-top: 0.5rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 768px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-section h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; }
.about-section p { color: var(--gray-600); margin-bottom: 1rem; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: center; padding: 2rem; background: var(--gray-50); border-radius: 1rem; margin-top: 4rem; }
.stats-number { font-size: 2.5rem; font-weight: 700; color: var(--gold); }
.stats-label { font-size: 0.875rem; color: var(--gray-600); margin-top: 0.25rem; }

/* ===== Services ===== */
.service-card {
  background: var(--gray-50);
  border-radius: 1rem;
  padding: 2rem;
  transition: box-shadow 0.2s;
}
.service-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.service-card h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.75rem; }
.service-card p { color: var(--gray-600); margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ===== Products ===== */
.product-card {
  background: var(--gray-50);
  border-radius: 1.5rem;
  padding: 2rem;
}
@media (min-width: 768px) { .product-card { padding: 3rem; } }
.product-badge {
  display: inline-block;
  background: var(--gold);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.product-card h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: 0.75rem; }
.product-card > p { color: var(--gray-600); margin-bottom: 1rem; }
.feature-list { margin-bottom: 1.5rem; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
  margin-bottom: 0.25rem;
}
.feature-list .check { color: var(--gold); font-weight: 700; }
.product-sidebar {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
  flex-shrink: 0;
}
.product-sidebar h3 { font-weight: 600; margin-bottom: 0.75rem; }
.product-sidebar hr { border: none; border-top: 1px solid var(--gray-200); margin: 1rem 0; }
.product-sidebar .status { font-size: 0.875rem; color: var(--gray-500); }
.product-sidebar .status strong { color: var(--gold); }
.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
@media (min-width: 768px) {
  .product-layout { grid-template-columns: 1fr 16rem; }
}
.cta-section {
  background: var(--navy);
  color: white;
  text-align: center;
  padding: 4rem 0;
  border-radius: 1rem;
  margin-top: 4rem;
}
.cta-section h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: 1rem; }
.cta-section p { color: #d1d5db; max-width: 36rem; margin: 0 auto 2rem; }

/* ===== Contact ===== */
.contact-layout { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 768px) { .contact-layout { grid-template-columns: 2fr 1fr; } }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; }
.form-group input, .form-group textarea {
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(217,119,6,0.1);
}
.info-card {
  background: var(--gray-50);
  border-radius: 1rem;
  padding: 1.5rem;
}
.info-card h3 { font-weight: 600; margin-bottom: 0.5rem; }
.info-card p { font-size: 0.875rem; color: var(--gray-600); margin-bottom: 0.5rem; }
.info-card a { color: var(--gold); }