/* =============================================
   BlueCometTech - Main Stylesheet
   ============================================= */

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

:root {
  --color-primary:       #1a56db;
  --color-primary-dark:  #1241a8;
  --color-primary-light: #ebf0fd;
  --color-accent:        #0ea5e9;
  --color-text:          #1e293b;
  --color-text-muted:    #64748b;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f8fafc;
  --color-border:        #e2e8f0;
  --color-white:         #ffffff;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);

  --transition: 220ms ease;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* ----- Utilities ----- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(26,86,219,.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ----- HEADER ----- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
}
.logo-mark {
  width: 44px;
  height: auto;
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 18px rgba(14, 165, 233, 0.25));
}

.logo-text {
  display: inline-block;
  letter-spacing: .02em;
  white-space: nowrap;
}

.main-nav { margin-left: auto; }
.main-nav ul {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}
.main-nav a:hover, .main-nav a:focus-visible {
  color: var(--color-primary);
}

.nav-cta { margin-left: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----- HERO ----- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f2460 0%, #1a56db 55%, #0ea5e9 100%);
  padding-top: 68px;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-copy {
  max-width: 640px;
}

.hero-eyebrow {
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.85);
  max-width: 620px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-logo-card {
  position: relative;
  width: min(100%, 520px);
  padding: 28px 24px 32px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(15, 36, 96, 0.34) 0%, rgba(7, 20, 53, 0.58) 100%);
  border: 1px solid rgba(224, 242, 254, 0.18);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: center;
}

.hero-logo-card::before {
  content: '';
  position: absolute;
  inset: 20px 36px auto;
  height: 120px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(125, 211, 252, 0.2) 0%, rgba(125, 211, 252, 0) 70%);
  filter: blur(10px);
}

.hero-logo-mark {
  position: relative;
  z-index: 1;
  width: min(100%, 360px);
  height: auto;
  margin: 0 auto -8px;
  filter: drop-shadow(0 18px 34px rgba(14, 165, 233, 0.25));
}

.hero-wordmark {
  display: flex;
  justify-content: center;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 4px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero-wordmark-accent {
  color: #1fb2ff;
  text-shadow: 0 0 24px rgba(56, 189, 248, 0.4);
}

.hero-wordmark-main {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 0 26px rgba(255, 255, 255, 0.12);
}

.hero-logo-caption {
  margin-top: 14px;
  color: rgba(255,255,255,.78);
  font-size: .98rem;
  line-height: 1.7;
}

.hero-shape {
  position: absolute;
  right: -180px;
  top: 50%;
  transform: translateY(-50%);
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  pointer-events: none;
}
.hero-shape::before {
  content: '';
  position: absolute;
  inset: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}

/* ----- SERVICES ----- */
.services {
  background: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 20px;
}
.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: .9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition);
}
.service-link:hover {
  text-decoration: underline;
}

/* ----- ABOUT ----- */
.about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-blob {
  position: relative;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  min-width: 130px;
}
.stat-card-1 { top: -20px; left: -30px; }
.stat-card-2 { bottom: 20px; left: -40px; }
.stat-card-3 { top: 40px; right: -40px; }

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}
.stat-label {
  display: block;
  font-size: .8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.about-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-list {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9375rem;
  font-weight: 500;
}
.check-icon {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ----- WHY US ----- */
.why-us {
  background: linear-gradient(135deg, #0f2460 0%, #1a56db 100%);
}

.why-us .section-header { color: var(--color-white); }
.why-us .section-eyebrow { color: rgba(255,255,255,.7); }
.why-us h2 { color: var(--color-white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}

.why-item {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}
.why-item:hover {
  background: rgba(255,255,255,.15);
  transform: translateY(-4px);
}

.why-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
  display: block;
}

.why-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.why-item p {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
}

/* ----- CONTACT ----- */
.contact {
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-details li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .9375rem;
}
.contact-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-details a {
  color: var(--color-primary);
  font-weight: 500;
}
.contact-details a:hover {
  text-decoration: underline;
}

/* ----- FORM ----- */
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.required { color: var(--color-primary); }

input, textarea, select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: .9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
input::placeholder, textarea::placeholder {
  color: #94a3b8;
}
textarea { resize: vertical; min-height: 110px; }

.form-note {
  margin-top: -4px;
  margin-bottom: 14px;
  font-size: .85rem;
  color: var(--color-text-muted);
}

.form-success {
  margin-top: 14px;
  font-size: .9rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.2em;
}
.form-success.is-success { color: #16a34a; }
.form-success.is-error { color: #dc2626; }

/* ----- FOOTER ----- */
.site-footer {
  background: #0f1f45;
  color: rgba(255,255,255,.75);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.footer-brand .logo-footer {
  color: var(--color-white);
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.logo-footer .logo-mark {
  filter: drop-shadow(0 10px 18px rgba(56, 189, 248, 0.28));
}
.footer-brand p {
  font-size: .9rem;
  max-width: 240px;
  line-height: 1.6;
}

.footer-nav h4 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-white);
  margin-bottom: 16px;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-nav a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  padding: 20px 24px;
  font-size: .85rem;
}

/* ----- RESPONSIVE ----- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-copy {
    max-width: 720px;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .about-visual { order: -1; }
  .about-blob { width: 340px; height: 340px; }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .logo {
    gap: 10px;
  }
  .logo-mark {
    width: 40px;
  }
  .logo-text {
    font-size: 1.08rem;
  }

  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav ul li:last-child a { border-bottom: none; }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .hero-logo-card {
    padding: 24px 18px 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .footer-brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-wordmark {
    font-size: 1.72rem;
    letter-spacing: .03em;
  }
  .why-grid { grid-template-columns: 1fr; }
  .about-blob { width: 280px; height: 280px; }
  .stat-card-1 { top: -10px; left: -10px; }
  .stat-card-2 { bottom: 10px; left: -10px; }
  .stat-card-3 { top: 30px; right: -10px; }
  .logo-text {
    font-size: .96rem;
  }
}