/* Dark Indigo Theme */
:root {
  --bg: #0b1220;              /* deep slate */
  --text: #e5e7eb;            /* slate-200 */
  --muted: #94a3b8;           /* slate-400 */
  --panel: #0f172a;           /* slate-900 */
  --panel-border: rgba(148,163,184,0.14);
  --shadow: 0 10px 30px rgba(0,0,0,0.25);
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.15);
  --primary: #4f46e5;         /* indigo-600 */
  --primary-700: #4338ca;     /* indigo-700 */
  --ring: rgba(79,70,229,0.32);
  --radius: 14px;
  --container: 1120px;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes glow {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50% { box-shadow: 0 6px 20px rgba(79,70,229,0.25); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(79,70,229,0.16), transparent 60%),
    radial-gradient(900px 500px at 90% -20%, rgba(14,165,233,0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding: 0 20px; }
.section { padding: 72px 0; animation: fadeInUp 0.8s ease-out; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 55%); }

/* Header / Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(11,18,32,0.95), rgba(11,18,32,0.85));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148,163,184,0.1);
  animation: fadeInDown 0.6s ease-out;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  animation: slideInLeft 0.6s ease-out;
}

.logo-icon {
  font-size: 24px;
  color: var(--primary);
  animation: float 3s ease-in-out infinite;
}

.logo-text {
  background: linear-gradient(135deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-700));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 6px;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Brand banner */
.brand-banner { 
  padding-top: 40px; 
  padding-bottom: 40px; 
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.brand-title { 
  margin: 0; 
  font-size: clamp(36px, 5.5vw, 64px); 
  line-height: 1.1; 
  font-weight: 800; 
  background: linear-gradient(135deg, #fff, #c7d2fe); 
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent; 
  background-clip: text; 
  text-align: center; 
  letter-spacing: -0.5px;
  animation: fadeInDown 0.8s ease-out 0.2s both;
}

/* Main Two-Column Layout */
.main-content { padding-top: 36px; }
.layout-two-col { 
  display: grid; 
  grid-template-columns: 1fr 1.2fr; 
  gap: 48px; 
  align-items: start;
}

.col-left { 
  display: flex; 
  flex-direction: column; 
  align-items: center;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.col-right { 
  display: flex; 
  flex-direction: column; 
  gap: 40px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Profile Card */
.profile-card { 
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); 
  border: 1px solid var(--panel-border); 
  border-radius: var(--radius); 
  padding: 24px 22px; 
  box-shadow: var(--shadow); 
  display: flex; 
  flex-direction: column; 
  gap: 12px;
  animation: glow 3s ease-in-out infinite;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(79,70,229,0.2);
}

.profile-name { 
  margin: 0; 
  font-size: 28px; 
  font-weight: 700; 
  color: #fff; 
  text-align: center;
  animation: fadeInDown 0.8s ease-out 0.5s both;
}

.profile-avatar { 
  width: 170px; 
  height: 170px; 
  border-radius: 14px;
  animation: fadeIn 0.8s ease-out 0.6s both;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.profile-avatar:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.contact-info { 
  background: rgba(79,70,229,0.06); 
  border: 1px solid rgba(79,70,229,0.12); 
  border-radius: 12px; 
  padding: 16px;
  animation: fadeInUp 0.8s ease-out 0.7s both;
  transition: all 0.3s ease;
}

.contact-info:hover {
  background: rgba(79,70,229,0.1);
  border-color: rgba(79,70,229,0.2);
}

/* About & Services Sections */
.about-section { 
  display: flex; 
  flex-direction: column; 
  gap: 12px;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.about-section h2 { 
  margin: 0 0 8px; 
  font-size: 28px; 
  font-weight: 700;
}

.about-section p { 
  margin: 0; 
  color: var(--muted); 
  line-height: 1.7;
  transition: color 0.3s ease;
}

.about-section:hover p {
  color: var(--text);
}

.services-section { 
  display: flex; 
  flex-direction: column; 
  gap: 16px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.services-section h2 { 
  margin: 0; 
  font-size: 28px; 
  font-weight: 700;
}

.services-grid { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 16px; 
  margin-top: 8px;
}

.service { 
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); 
  border: 1px solid var(--panel-border); 
  border-radius: var(--radius); 
  padding: 18px; 
  min-height: 120px; 
  box-shadow: var(--shadow-sm); 
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  animation: fadeInUp 0.8s ease-out both;
}

.service:nth-child(1) { animation-delay: 0.7s; }
.service:nth-child(2) { animation-delay: 0.75s; }
.service:nth-child(3) { animation-delay: 0.8s; }
.service:nth-child(4) { animation-delay: 0.85s; }
.service:nth-child(5) { animation-delay: 0.9s; }
.service:nth-child(6) { animation-delay: 0.95s; }

.service:hover { 
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(79,70,229,0.2);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
}

.service h3 { 
  margin: 0 0 8px; 
  font-size: 17px; 
  font-weight: 600; 
  color: #fff;
}

.service p { 
  margin: 0; 
  color: var(--muted); 
  font-size: 14px; 
  line-height: 1.5;
}

/* Buttons */
.btn { 
  --_bg: rgba(255,255,255,0.05); 
  --_bd: rgba(148,163,184,0.2); 
  --_fg: #fff; 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px; 
  text-decoration: none; 
  border: 1px solid var(--_bd); 
  background: var(--_bg); 
  color: var(--_fg); 
  padding: 10px 14px; 
  border-radius: 12px; 
  font-weight: 600; 
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn:hover { 
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.btn:active { transform: translateY(0); }

.btn-primary { 
  --_bg: linear-gradient(180deg, var(--primary), var(--primary-700)); 
  --_bd: rgba(67,56,202,0.8);
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn-primary:hover {
  box-shadow: 0 12px 30px rgba(79,70,229,0.3);
}

.btn-outline { 
  --_bg: transparent; 
  --_bd: rgba(148,163,184,0.35); 
  --_fg: var(--text);
  animation: fadeInUp 0.8s ease-out 0.85s both;
}

.btn-outline:hover {
  background: rgba(148,163,184,0.1);
}

.btn-ghost { 
  --_bg: rgba(148,163,184,0.12); 
  --_bd: rgba(148,163,184,0.18); 
  --_fg: var(--text);
  animation: fadeInUp 0.8s ease-out 0.9s both;
}

.btn-ghost:hover {
  background: rgba(148,163,184,0.2);
}

.cta-row { 
  display: flex; 
  gap: 12px; 
  flex-wrap: wrap; 
  margin: 0;
}

/* Meta / Info Blocks */
.meta { 
  display: grid; 
  gap: 12px; 
  margin: 0; 
  padding: 0;
}

.meta div { 
  display: flex; 
  flex-direction: column; 
  gap: 4px;
  animation: fadeInLeft 0.6s ease-out both;
}

.meta div:nth-child(1) { animation-delay: 0.7s; }
.meta div:nth-child(2) { animation-delay: 0.75s; }
.meta div:nth-child(3) { animation-delay: 0.8s; }
.meta div:nth-child(4) { animation-delay: 0.85s; }

.meta dt { 
  color: var(--muted); 
  font-weight: 600; 
  font-size: 13px; 
  text-transform: uppercase; 
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.meta dt:hover {
  color: var(--primary);
}

.meta dd { 
  margin: 0; 
  color: #fff; 
  font-size: 15px;
}

.meta a { 
  color: #c7d2fe; 
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

.meta a:hover { 
  color: #fff;
  text-decoration: underline;
}

.avatar-wrap { 
  display: flex; 
  justify-content: center;
  animation: fadeIn 0.8s ease-out 0.6s both;
}

.avatar { 
  display: block; 
  max-width: 100%; 
  height: auto;
}

/* Footer */
.footer {
  background: linear-gradient(180deg, rgba(15,23,42,0.8), rgba(11,18,32,0.95));
  border-top: 1px solid rgba(148,163,184,0.1);
  padding: 60px 0 20px;
  margin-top: 80px;
  animation: fadeInUp 0.8s ease-out;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.footer-brand h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(79,70,229,0.1);
  border: 1px solid rgba(79,70,229,0.2);
  border-radius: 10px;
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 18px;
}

.social-btn:hover {
  background: rgba(79,70,229,0.2);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(79,70,229,0.2);
}

.footer-col {
  animation: fadeInUp 0.8s ease-out both;
}

.footer-col:nth-child(2) { animation-delay: 0.25s; }
.footer-col:nth-child(3) { animation-delay: 0.3s; }
.footer-col:nth-child(4) { animation-delay: 0.35s; }

.footer-col h4 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(148,163,184,0.1);
  text-align: center;
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* Skip link */
.skip-link { 
  position: absolute; 
  left: -9999px; 
  top: -9999px;
}

.skip-link:focus { 
  left: 16px; 
  top: 16px; 
  background: #fff; 
  color: #000; 
  padding: 8px 12px; 
  border-radius: 8px;
  animation: fadeInDown 0.3s ease-out;
}

/* Responsive */
@media (max-width: 1024px) {
  .layout-two-col { grid-template-columns: 1fr; gap: 36px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
  .col-right { gap: 32px; }
  .profile-card { padding: 24px; }
  .brand-title { font-size: clamp(36px, 7vw, 64px); }

  /* Mobile header - only menu icon visible */
  .header-container {
    justify-content: flex-end;
  }

  .logo {
    display: none;
  }

  .mobile-menu-btn { 
    display: flex; 
  }

  /* Nav hidden in header bar; appears only when menu is opened */
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.95), rgba(11,18,32,0.98));
    backdrop-filter: blur(10px);
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid rgba(148,163,184,0.1);
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    padding: 8px 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 560px) {
  .section { padding: 48px 0; }
  .brand-banner { padding-top: 32px; padding-bottom: 32px; }
  .layout-two-col { gap: 24px; }
  .services-section h2 { font-size: 24px; }
  .about-section h2 { font-size: 24px; }
  .cta-row { justify-content: center; }
  .meta { gap: 10px; }
}