/* =============================================
   COSINE TECHNOLOGIES — CMMC CONSULTING
   Brand: deep navy authority + Cosine blue + silver
   Palette: #0A2342 · #0078D4 · #C0C7D1
   Fonts: Orbitron (display) + Montserrat (body)
   ============================================= */

/* TOKENS */
:root {
  --navy:      #0A2342;
  --navy-mid:  #0D1A2D;
  --navy-lite: #1D2E48;
  --ink:       #0F1115;
  --slate:     #4D5563;
  --electric:  #0078D4;
  --electric-dark: #005FA8;
  --silver:    #C0C7D1;
  --sky:       #E8F1FB;
  --white:     #FFFFFF;
  --off-white: #F4F6F9;
  --text:      #0F1115;
  --text-mid:  #4D5563;
  --text-lite: #8A93A0;
  --border:    #D6DDE6;
  --success:   #0078D4;

  --font-display: 'Orbitron', 'Montserrat', system-ui, sans-serif;
  --font-body:    'Montserrat', system-ui, sans-serif;

  --radius:  8px;
  --radius-lg: 16px;
  --shadow:  0 4px 24px rgba(11,22,40,0.10);
  --shadow-lg: 0 12px 48px rgba(11,22,40,0.18);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* UTILITIES */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 12px;
}
.eyebrow--light { color: #4FA8F5; }
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-header--light h2 { color: var(--white); }
.section-header p { color: var(--text-mid); font-size: 1.05rem; }
.section-header--light p { color: #A0C4E0; }

/* BUTTONS */
.btn-primary {
  display: inline-block;
  background: var(--electric);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: var(--font-body);
}
.btn-primary:hover { background: var(--electric-dark); transform: translateY(-1px); }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--electric); color: var(--electric); }
.btn-white {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-white:hover { background: var(--sky); transform: translateY(-1px); }
.btn-nav {
  display: inline-block;
  background: var(--electric);
  color: var(--white) !important;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.btn-nav:hover { background: var(--electric-dark); }
.btn-full { width: 100%; text-align: center; }

/* ========================
   NAV
   ======================== */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}
.logo-mark {
  height: 40px;
  width: auto;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--navy);
}
.logo-tagline {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--electric);
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--navy); }
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--navy);
}

/* ========================
   HERO
   ======================== */
.hero {
  position: relative;
  background: var(--navy);
  padding: 100px 0 88px;
  overflow: hidden;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,120,212,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,120,212,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--electric);
  background: rgba(0,120,212,0.12);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(0,120,212,0.25);
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 3.7rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: 0;
}
.hero-headline em {
  font-style: normal;
  color: #4FA8F5;
}
.hero-sub {
  font-size: 1.15rem;
  color: #A0C4E0;
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-cta-row .btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
}
.hero-cta-row .btn-ghost:hover {
  border-color: var(--electric);
  color: var(--electric);
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: #7A9DC0;
  max-width: 160px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.12);
}

/* ========================
   TRUST BAR
   ======================== */
.trust-bar {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 0.8rem;
  color: #7A9DC0;
  white-space: nowrap;
}
.trust-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: #A0C4E0;
  background: rgba(0,120,212,0.1);
  border: 1px solid rgba(0,120,212,0.2);
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

/* ========================
   SERVICES
   ======================== */
.services { background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.service-card--featured {
  border-color: var(--electric);
  box-shadow: 0 0 0 1px var(--electric), var(--shadow);
}
.service-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--electric);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}
.service-icon {
  font-size: 1.6rem;
  color: var(--electric);
  margin-bottom: 16px;
  line-height: 1;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 16px;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-list li {
  font-size: 0.85rem;
  color: var(--text-mid);
  padding-left: 16px;
  position: relative;
}
.service-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--electric);
  font-size: 0.8rem;
}

/* ========================
   PROCESS
   ======================== */
.process { background: var(--navy); }
.process-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-line {
  position: absolute;
  left: 27px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--electric), rgba(0,120,212,0.1));
}
.process-step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.process-step:last-child { border-bottom: none; }
.step-marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--navy-lite);
  border: 2px solid var(--electric);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--electric);
  letter-spacing: 0.05em;
  z-index: 1;
  position: relative;
}
.step-content { padding-top: 12px; }
.step-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 0.92rem;
  color: #A0C4E0;
  line-height: 1.65;
  max-width: 600px;
}
.step-time {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--electric);
  background: rgba(0,120,212,0.1);
  border: 1px solid rgba(0,120,212,0.2);
  padding: 3px 12px;
  border-radius: 100px;
}

/* ========================
   WHY US
   ======================== */
.why { background: var(--white); }
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.why-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 20px;
}
.why-left p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
}
.why-left .btn-primary { margin-top: 8px; }
.why-right {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.differentiator {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.diff-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: rgba(0,120,212,0.1);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 2px;
}
.differentiator strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 4px;
}
.differentiator p {
  font-size: 0.87rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ========================
   URGENCY
   ======================== */
.urgency {
  background: linear-gradient(135deg, var(--electric-dark) 0%, #0A2342 100%);
  padding: 64px 0;
}
.urgency-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.urgency-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: var(--white);
  margin-bottom: 10px;
  max-width: 620px;
  line-height: 1.2;
}
.urgency-text p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  line-height: 1.65;
}

/* ========================
   CONTACT
   ======================== */
.contact { background: var(--off-white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.contact-left .eyebrow { margin-bottom: 12px; }
.contact-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.15;
}
.contact-left p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-mid);
}
.contact-icon {
  width: 36px;
  height: 36px;
  background: var(--sky);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--electric);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(0,120,212,0.12);
}
.form-group textarea { resize: vertical; }
.form-note {
  font-size: 0.78rem;
  color: var(--text-lite);
  text-align: center;
  margin-top: 12px;
}

/* ========================
   FOOTER
   ======================== */
.footer {
  background: var(--navy);
  color: #A0C4E0;
  padding: 64px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
}
.footer-brand .logo-mark { height: 36px; }
.footer-tagline {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #4FA8F5;
}
.footer-brand p {
  font-size: 0.85rem;
  color: #6A8FB0;
  font-weight: 400;
  max-width: 220px;
  line-height: 1.5;
  margin-top: 8px;
}
.footer-links {
  display: flex;
  gap: 64px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col strong {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7A9DC0;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.88rem;
  color: #A0C4E0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  padding: 20px 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: #4A6080;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    box-shadow: var(--shadow);
  }
  .nav-mobile-toggle { display: block; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 20px; }
  .stat-divider { display: none; }
  .urgency-inner { flex-direction: column; }
  .trust-bar .container { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; }
  .footer-links { gap: 32px; }
  .process-line { display: none; }
  .process-step { flex-direction: column; gap: 16px; }
}