/* ============================
   Aurora IT Consultant
   style.css — full design system
   ============================ */

/* --- Variables --- */
:root {
  --clr-primary:      #1e293b;
  --clr-accent:       #2563eb;
  --clr-accent-hover: #1d4ed8;
  --clr-accent-light: #eff6ff;
  --clr-bg:           #ffffff;
  --clr-bg-alt:       #f8fafc;
  --clr-bg-dark:      #0f172a;
  --clr-text:         #334155;
  --clr-muted:        #64748b;
  --clr-border:       #e2e8f0;

  --font: 'Work Sans', system-ui, sans-serif;
  --max-w: 1200px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 2px 8px rgba(0,0,0,.05);
  --shadow:    0 4px 16px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);

  --nav-h: 72px;
  --transition: 0.22s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-weight: 500;
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4 { color: var(--clr-primary); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
p  { line-height: 1.75; }

/* --- Layout helpers --- */
.container {
  width: min(var(--max-w), 100% - 3rem);
  margin-inline: auto;
}
.section { padding-block: 88px; }
.section--alt { background: var(--clr-bg-alt); }
.section--dark {
  background: var(--clr-bg-dark);
  color: #cbd5e1;
}
.section--dark h2,
.section--dark h3 { color: #f1f5f9; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.section-title { margin-bottom: 16px; }
.section-sub {
  font-size: 1.05rem;
  color: var(--clr-muted);
  max-width: 720px;
  margin-bottom: 56px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--clr-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,.35);
}
.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-1px);
}
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 2px solid rgba(255,255,255,.3);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.2);
}

/* ============================
   NAVIGATION
   ============================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: -.02em;
  white-space: nowrap;
}
.nav-logo span { color: var(--clr-accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-muted);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--clr-primary); background: var(--clr-bg-alt); }
.nav-links .btn-primary {
  color: #fff;
  padding: 9px 20px;
  font-size: 0.875rem;
}
.nav-links .btn-primary:hover { background: var(--clr-accent-hover); transform: none; box-shadow: none; }

/* Services dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after {
  content: ' ▾';
  font-size: .7em;
  opacity: .6;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 220px;
  overflow: hidden;
}
.nav-dropdown-menu a {
  display: block;
  padding: 12px 20px;
  font-size: 0.875rem;
  border-radius: 0;
}
.nav-dropdown-menu a:hover { background: var(--clr-bg-alt); }
.nav-dropdown:hover .nav-dropdown-menu { display: block; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  inset-inline: 0;
  background: #fff;
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow);
  z-index: 99;
  padding: 20px 24px;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 12px 0;
  font-weight: 600;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .sub-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  padding: 16px 0 8px;
}
.nav-mobile .sub-link { padding-left: 16px; font-size: .9rem; color: var(--clr-muted); }

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 96px 80px;
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge::before { content: '●'; font-size: .5rem; }
.hero h1 { margin-bottom: 20px; }
.hero h1 em {
  font-style: normal;
  color: var(--clr-accent);
  position: relative;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--clr-border);
}
.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--clr-primary);
}
.hero-stat-label { font-size: 0.8rem; color: var(--clr-muted); }
.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image img { width: 100%; height: 420px; object-fit: cover; }

/* ============================
   SERVICES GRID (homepage)
   ============================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}
.service-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card-img { height: 200px; overflow: hidden; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.service-card:hover .service-card-img img { transform: scale(1.04); }
.service-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.service-card-icon {
  width: 44px;
  height: 44px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--clr-muted); font-size: .95rem; flex: 1; }
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-accent);
  transition: gap var(--transition);
}
.service-card-link:hover { gap: 10px; }
.service-card-link::after { content: '→'; }

/* ============================
   HOW WE WORK (3 steps)
   ============================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 28px);
  right: calc(16.66% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-light));
  z-index: 0;
}
.step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 56px;
  height: 56px;
  background: var(--clr-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px var(--clr-accent-light);
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--clr-muted); font-size: .92rem; }

/* ============================
   WHY CHOOSE US
   ============================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.why-items { display: flex; flex-direction: column; gap: 28px; }
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-item h4 { margin-bottom: 4px; color: var(--clr-primary); font-size: 1rem; }
.why-item p { font-size: .9rem; color: var(--clr-muted); }
.why-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.why-image img { width: 100%; height: 420px; object-fit: cover; }

/* ============================
   CTA BANNER
   ============================ */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-accent) 0%, #1d4ed8 100%);
  padding-block: 72px;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,.8); margin-bottom: 36px; font-size: 1.05rem; }
.cta-banner .btn-ghost { margin-inline: 8px; }
.cta-banner .btn-white {
  background: #fff;
  color: var(--clr-accent);
  margin-inline: 8px;
}
.cta-banner .btn-white:hover { background: var(--clr-accent-light); }

/* ============================
   FOOTER
   ============================ */
.footer {
  background: var(--clr-bg-dark);
  color: #94a3b8;
  padding-block: 64px 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { margin-top: 12px; font-size: .9rem; line-height: 1.7; }
.footer-logo { font-size: 1.1rem; font-weight: 700; color: #f1f5f9; }
.footer-logo span { color: var(--clr-accent); }
.footer h4 { color: #f1f5f9; font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .9rem; color: #94a3b8; transition: color var(--transition); }
.footer-links a:hover { color: #f1f5f9; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: .9rem; margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #f1f5f9; }

/* ============================
   PAGE HERO (inner pages)
   ============================ */
.page-hero {
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%);
  padding-block: 72px 64px;
  border-bottom: 1px solid var(--clr-border);
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; color: var(--clr-muted); }
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .85rem;
  color: var(--clr-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--clr-accent); }
.breadcrumb span { opacity: .5; }

/* ============================
   ABOUT PAGE
   ============================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img img { width: 100%; height: 480px; object-fit: cover; }
.about-text h2 { margin-bottom: 16px; }
.about-text p { color: var(--clr-muted); margin-bottom: 20px; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 0;
}
.skill-tag {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-tag::before { content: '✓'; color: var(--clr-accent); font-weight: 700; }

/* ============================
   CONTACT PAGE
   ============================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info h3 { margin-bottom: 12px; }
.contact-info p { color: var(--clr-muted); margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-detail-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-detail h4 { font-size: .85rem; color: var(--clr-muted); font-weight: 600; margin-bottom: 2px; }
.contact-detail p { color: var(--clr-primary); font-weight: 600; font-size: .95rem; margin-bottom: 0; }

/* Form */
.contact-form { background: var(--clr-bg-alt); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; color: var(--clr-primary); margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: .95rem;
  color: var(--clr-primary);
  background: var(--clr-bg);
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { min-height: 140px; }

/* ============================
   SERVICE DETAIL PAGES
   ============================ */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.service-detail-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.service-detail-img img { width: 100%; height: 400px; object-fit: cover; }
.service-detail-content h2 { margin-bottom: 16px; }
.service-detail-content p { color: var(--clr-muted); margin-bottom: 20px; }
.includes-list { display: flex; flex-direction: column; gap: 12px; }
.includes-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--clr-bg-alt);
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
}
.includes-item::before { content: '✓'; color: var(--clr-accent); font-weight: 700; min-width: 16px; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.process-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}
.process-num {
  width: 48px; height: 48px;
  background: var(--clr-accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}
.process-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.process-card p { color: var(--clr-muted); font-size: .9rem; }
.who-for-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.who-for-item {
  padding: 20px;
  background: var(--clr-accent-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--clr-accent);
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-primary);
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}
.fade-up:nth-child(2) { transition-delay: .1s; }
.fade-up:nth-child(3) { transition-delay: .2s; }
.fade-up:nth-child(4) { transition-delay: .3s; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .why-image { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding-block: 60px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .steps-grid::before { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .who-for-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .hero { padding-block: 64px 56px; }
  .hero-stats { gap: 24px; }
  .skills-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .cta-banner .btn-ghost,
  .cta-banner .btn-white { display: block; margin: 0 0 12px; text-align: center; }
}