/* ============================================
   BLUE LINE CYBER — Main Stylesheet
   ============================================ */

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

:root {
  --navy-deep:    #0A0F1E;
  --navy-mid:     #1B2A4A;
  --navy-light:   #243352;
  --blue-electric:#2563EB;
  --blue-sky:     #38BDF8;
  --blue-glow:    #60A5FA;
  --white:        #F8FAFC;
  --slate:        #94A3B8;
  --slate-light:  #CBD5E1;
  --border:       rgba(56, 189, 248, 0.15);
  --border-strong:rgba(56, 189, 248, 0.3);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  --max-w: 1120px;
  --section-pad: 6rem 1.5rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy-deep);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.05rem; }

p { color: var(--slate-light); line-height: 1.75; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-sky);
  margin-bottom: 0.75rem;
}

.eyebrow.center, .section-title.center, .section-sub.center { text-align: center; }

.section-title { margin-bottom: 1rem; }
.section-sub {
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto 3rem;
}

.accent { color: var(--blue-sky); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-electric);
  color: #fff;
  border-color: var(--blue-electric);
}
.btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); border-color: var(--blue-sky); }

.btn-outline {
  background: transparent;
  color: var(--blue-sky);
  border-color: var(--border-strong);
}
.btn-outline:hover { background: rgba(56,189,248,0.08); border-color: var(--blue-sky); }

.btn-nav {
  background: transparent;
  color: var(--blue-sky);
  border-color: var(--border-strong);
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}
.btn-nav:hover { background: rgba(56,189,248,0.1); }

.btn-sm { font-size: 0.85rem; padding: 0.55rem 1.1rem; }
.btn-full { width: 100%; justify-content: center; font-size: 1rem; padding: 0.85rem; }

/* --- Nav --- */
.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  margin-right: auto;
}

.logo-mark {
  background: var(--blue-electric);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 7px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-light);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.2s;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 1.5rem 5rem;
  overflow: hidden;
}

#grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-sky);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--blue-sky);
  border-radius: 2px;
}

.hero-headline {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--slate-light);
  max-width: 580px;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: 0.05em;
}
.hero-trust .divider { color: var(--border-strong); }

/* --- Problem --- */
.problem {
  padding: var(--section-pad);
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.problem-text h2 {
  margin-bottom: 1rem;
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue-sky);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.4;
}

/* --- Services --- */
.services {
  padding: var(--section-pad);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.service-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s;
}

.service-card:hover { border-color: var(--border-strong); }

.service-card.featured {
  border-color: rgba(37, 99, 235, 0.4);
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, var(--navy-mid) 60%);
}

.service-icon {
  color: var(--blue-sky);
  width: 48px;
  height: 48px;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.service-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-sky);
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.25);
  padding: 3px 10px;
  border-radius: 20px;
  align-self: flex-start;
}

.service-card h3 { color: var(--white); margin: 0; }

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
  flex: 1;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--slate-light);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-electric);
}

/* --- Why --- */
.why {
  padding: var(--section-pad);
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.why-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(10,15,30,0.5);
  transition: border-color 0.2s, background 0.2s;
}
.why-card:hover {
  border-color: var(--border-strong);
  background: rgba(10,15,30,0.8);
}

.why-icon {
  color: var(--blue-sky);
  margin-bottom: 1rem;
}

.why-card h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.why-card p { font-size: 0.875rem; }

/* --- Certifications --- */
.certs {
  padding: var(--section-pad);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.cert-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--navy-mid);
}

.cert-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue-electric);
  flex-shrink: 0;
  margin-top: 5px;
  box-shadow: 0 0 8px rgba(37,99,235,0.6);
}

.cert-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.cert-desc {
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.5;
}

/* --- Assessment Form --- */
.assessment {
  padding: var(--section-pad);
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
}

.assessment-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.assessment-text h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.assess-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.assess-list li {
  font-size: 0.9rem;
  color: var(--slate-light);
  padding-left: 1.5rem;
  position: relative;
}

.assess-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue-sky);
  font-weight: 700;
}

.assessment-form-wrap {
  background: var(--navy-deep);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 2rem;
}

.assessment-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-light);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--navy-mid);
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--slate); }

.form-group input:focus,
.form-group textarea:focus { border-color: var(--blue-electric); }

.form-group textarea { resize: vertical; min-height: 80px; }

.form-note {
  font-size: 0.75rem;
  color: var(--slate);
  text-align: center;
  margin-top: -0.25rem;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  margin-right: auto;
}

.footer-details p {
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.6;
}

.footer-contact a {
  font-size: 0.875rem;
  color: var(--blue-sky);
}
.footer-contact a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--slate);
}

.footer-bottom nav {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom nav a {
  font-size: 0.75rem;
  color: var(--slate);
  transition: color 0.15s;
}
.footer-bottom nav a:hover { color: var(--white); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .problem-grid,
  .services-grid,
  .assessment-inner { grid-template-columns: 1fr; gap: 2.5rem; }

  .why-grid,
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --section-pad: 4rem 1.25rem; }

  .nav-links, .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 6rem 1.25rem 4rem; }

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

  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .footer-inner { flex-direction: column; gap: 1.5rem; }
  .footer-brand { margin-right: 0; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}