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

:root {
  --bg-deep: #080e20;
  --bg-mid:  #0a1228;
  --bg-top:  #0d1b3a;
  --grad-hero: linear-gradient(135deg, #5b8def 0%, #a855f7 50%, #22d3ee 100%);
  --cyan:   #22d3ee;
  --purple: #a855f7;
  --blue:   #5b8def;
  --muted:  #94a3b8;
  --border: rgba(255,255,255,0.08);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-hover: rgba(255,255,255,0.06);
  --radius-card: 1rem;
  --radius-card-lg: 1.5rem;
  --header-h: 72px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background: radial-gradient(ellipse at top, var(--bg-top) 0%, var(--bg-mid) 50%, var(--bg-deep) 100%);
  background-attachment: fixed;
  color: #f0f4ff;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4 { letter-spacing: -0.02em; line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ─── Utilities ─── */
.container    { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.text-center  { text-align: center; }
.muted        { color: var(--muted); }
.small        { font-size: 0.875rem; }
.mb-12        { margin-bottom: 3rem; }

.gradient-text {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-card);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.glass-card:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.14);
}

/* ─── Header ─── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,14,32,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link  { display: flex; align-items: center; gap: 0.75rem; }
.logo-img   { height: 2.25rem; width: 2.25rem; object-fit: contain; }
.logo-text  { font-weight: 700; font-size: 1.125rem; color: #fff; }

.desktop-nav { display: flex; align-items: center; gap: 2rem; }
.nav-link {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-link:hover { color: #fff; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0.25rem;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  flex-direction: column;
  gap: 1rem;
  background: rgba(8,14,32,0.95);
}
.mobile-nav.open { display: flex; }

/* ─── Sections ─── */
.section { padding: 5rem 0; }
.hero-section { padding-top: calc(var(--header-h) + 5rem); padding-bottom: 3.5rem; }

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 3rem;
}
.section-title { font-size: clamp(1.5rem, 3.5vw, 3.25rem); font-weight: 800; white-space: nowrap; }
.section-sub   { margin-top: 1.25rem; font-size: 1.0625rem; line-height: 1.7; }

/* ─── Hero ─── */
.hero-title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
}
.hero-body {
  margin-top: 1.75rem;
  font-size: clamp(1rem, 2.5vw, 1.1875rem);
  line-height: 1.75;
  max-width: 50rem;
  margin-left: auto;
  margin-right: auto;
}
.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}
.hero-card {
  padding: 2rem;
  border-radius: var(--radius-card);
}
.hero-card-icon   { margin: 0 auto 1rem; }
.hero-card-icon.cyan   { color: var(--cyan); }
.hero-card-icon.purple { color: var(--purple); }
.hero-card-title  { font-size: 1.0625rem; font-weight: 600; margin-bottom: 0.5rem; }

/* ─── Grids ─── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ─── Services ─── */
.svc-card   { padding: 1.75rem; border-radius: var(--radius-card); }
.svc-card:hover { transform: translateY(-4px); }
.svc-icon   {
  width: 3rem; height: 3rem;
  background: rgba(91,141,239,0.12);
  border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.svc-title  { font-size: 1.0625rem; font-weight: 600; margin-bottom: 0.75rem; }
.svc-list   { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.svc-list li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; color: var(--muted);
}
.svc-list li::before {
  content: '';
  width: 16px; height: 16px; flex-shrink: 0;
  background: var(--purple);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* ─── Features ─── */
.feat-card  { padding: 1.5rem; border-radius: var(--radius-card); }
.feat-title { font-size: 1.0625rem; font-weight: 600; margin: 1rem 0 0.5rem; }

/* ─── Dashboard Panel ─── */
.dashboard-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding: 2rem 3rem;
  border-radius: var(--radius-card-lg);
  align-items: center;
}
.dashboard-img-wrap { border-radius: 1rem; overflow: hidden; }
.dashboard-img      { width: 100%; height: 100%; object-fit: cover; border-radius: 1rem; }
.dashboard-title    { font-size: 1.625rem; font-weight: 700; margin-bottom: 0.75rem; }
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.stat-val { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; }
.stat-lbl { font-size: 0.875rem; margin-top: 0.25rem; }

/* ─── About ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3rem;
}
.about-text { display: flex; flex-direction: column; gap: 1.25rem; }
.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.about-card { padding: 1.5rem; border-radius: var(--radius-card); }
.about-card-title { font-size: 0.9375rem; font-weight: 600; margin: 0.75rem 0 0.5rem; }

.tag-row  { display: flex; flex-wrap: wrap; gap: 0.75rem; padding-top: 0.5rem; }
.tag {
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  background: rgba(91,141,239,0.12);
  border: 1px solid rgba(91,141,239,0.25);
  color: #e0e8ff;
}

.mission-box   { padding: 3rem; border-radius: var(--radius-card-lg); max-width: 52rem; margin: 0 auto; }
.mission-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }

/* ─── Contact ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.contact-left { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-col-title { font-size: 1.375rem; font-weight: 700; margin-bottom: 0.25rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-card);
}
.contact-icon {
  width: 2.75rem; height: 2.75rem; flex-shrink: 0;
  background: rgba(91,141,239,0.12);
  border-radius: 0.625rem;
  display: flex; align-items: center; justify-content: center;
}
.contact-item-title { font-weight: 600; margin-bottom: 0.25rem; }

.why-box   { padding: 1.5rem; border-radius: var(--radius-card); }
.why-title { font-weight: 600; margin-bottom: 0.75rem; }
.why-list  { display: flex; flex-direction: column; gap: 0.5rem; }
.why-list li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; color: var(--muted);
}
.check-purple { color: var(--purple); font-weight: 700; }

/* Contact form */
.contact-form { padding: 2rem; border-radius: var(--radius-card); }
.contact-form-title { font-size: 1.375rem; font-weight: 700; margin-bottom: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.25rem; }
.field label { font-size: 0.875rem; font-weight: 500; color: #c5d0e6; }
.field input,
.field textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 0.625rem;
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.15s;
  resize: none;
}
.field input:focus,
.field textarea:focus { border-color: var(--blue); }
.field input::placeholder,
.field textarea::placeholder { color: rgba(148,163,184,0.5); }

.submit-btn {
  width: 100%;
  padding: 0.875rem;
  border: none;
  border-radius: 0.625rem;
  background: var(--grad-hero);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
  margin-top: 0.25rem;
}
.submit-btn:hover   { opacity: 0.88; transform: translateY(-1px); }
.submit-btn:active  { transform: translateY(0); }
.submit-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.form-msg       { font-size: 0.875rem; margin-top: 0.75rem; }
.form-msg.success { color: var(--cyan); }
.form-msg.error   { color: #f87171; }

/* ─── Footer ─── */
.site-footer {
  background: #060c1a;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 6fr 3fr 3fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-logo   { height: 3.5rem; width: 3.5rem; object-fit: contain; margin-bottom: 1.5rem; }
.footer-desc   { font-size: 0.9375rem; line-height: 1.7; max-width: 32rem; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 1.5rem; }
.footer-badge  {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; color: var(--muted);
}
.footer-heading { font-weight: 600; color: #fff; margin-bottom: 1.25rem; }
.footer-links   { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { font-size: 0.9375rem; color: var(--muted); transition: color 0.15s; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid-4    { grid-template-columns: repeat(2, 1fr); }
  .dashboard-panel { grid-template-columns: 1fr; padding: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .desktop-nav     { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-cards      { grid-template-columns: 1fr; }
  .grid-3          { grid-template-columns: 1fr; }
  .grid-4          { grid-template-columns: 1fr; }
  .about-grid      { grid-template-columns: 1fr; }
  .about-cards     { grid-template-columns: 1fr 1fr; }
  .contact-grid    { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr; }
  .hero-section    { padding-top: calc(var(--header-h) + 3rem); }
  .section         { padding: 3.5rem 0; }
  .dashboard-panel { padding: 1.5rem; }
  .mission-box     { padding: 2rem 1.5rem; }
  .contact-form    { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .about-cards { grid-template-columns: 1fr; }
  .stats-grid  { grid-template-columns: 1fr 1fr; }
}