/* ==========================================================================
   DESIGN SYSTEM - CEFIRO STRICT 4-COLOR EXECUTIVE BRANDING
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Strict 4-Color Palette derived directly from Logo */
  --cefiro-dark-blue: #0A192F;    /* Deep Midnight Navy (Backgrounds & Dark Text) */
  --cefiro-royal-blue: #0033A0;   /* Royal Cobalt Blue (Header Button & Accents) */
  --cefiro-light-blue: #00A3E0;   /* Bright Sky Blue (Headings on Dark & Primary Hero CTA) */
  --cefiro-green: #48A942;        /* Vibrant Emerald Green (Light Pill Tags) */
  --cefiro-white: #FFFFFF;        /* Pure White */

  /* Neutral Background & Surface Tones */
  --bg-dark-card: rgba(10, 25, 47, 0.94); 
  --bg-dark-inner: #06101E;
  --bg-light: #F8FAFC;            
  --bg-light-card: rgba(255, 255, 255, 0.96); 
  
  /* Text Contrast System */
  --text-dark: #0A192F;           
  --text-dark-muted: #334155;     
  --text-light: #FFFFFF;          
  --text-light-muted: #E2E8F0;    
  
  /* Borders */
  --border-light: #CBD5E1;
  --border-dark: rgba(255, 255, 255, 0.15);
  
  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--cefiro-dark-blue);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   PURE WHITE SINGLE-LINE NAVBAR
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--cefiro-white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  padding: 0.8rem 2rem;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  white-space: nowrap;
}

.brand-logo-img {
  height: 46px;
  width: auto;
  display: block;
}

.brand-logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
  background-color: transparent;
}

.nav-links a {
  color: var(--cefiro-dark-blue);
  font-family: var(--font-heading);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--cefiro-light-blue);
}

.btn-nav {
  background-color: var(--cefiro-royal-blue);
  color: var(--cefiro-white) !important;
  padding: 0.65rem 1.45rem;
  border-radius: 6px;
  font-weight: 700 !important;
  transition: background-color 0.2s ease !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.5px;
}

.btn-nav:hover {
  background-color: var(--cefiro-light-blue) !important;
}

/* ==========================================================================
   PARALLAX ENGINE & STRICT COLOR RULES
   ========================================================================== */

.parallax-section {
  position: relative;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  padding: 7.5rem 2rem;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.parallax-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Background Image Mapping */
.bg-hero       { background-image: url('images/1.jpg'); }
.bg-role       { background-image: url('images/2.jpg'); }
.bg-harmony    { background-image: url('images/3.jpg'); }
.bg-drivers    { background-image: url('images/4.jpg'); }
.bg-scope      { background-image: url('images/5.jpg'); }
.bg-engagement { background-image: url('images/6.jpg'); }

/* --- DARK OVERLAY SECTIONS --- */
.parallax-section.bg-hero,
.parallax-section.bg-harmony,
.parallax-section.bg-scope {
  color: var(--text-light);
}

.parallax-overlay-dark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.94) 0%, rgba(10, 25, 47, 0.85) 100%);
  z-index: 1;
}

.parallax-section.bg-hero h1 {
  color: var(--cefiro-white) !important;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
}

.parallax-section.bg-harmony h2,
.parallax-section.bg-scope h2 {
  color: var(--cefiro-light-blue) !important;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
}

.parallax-section.bg-hero p,
.parallax-section.bg-harmony .section-subtitle,
.parallax-section.bg-scope .section-subtitle {
  color: var(--text-light-muted) !important;
  font-size: 1.1rem;
  font-weight: 300;
}

/* --- LIGHT OVERLAY SECTIONS --- */
.parallax-section.bg-role,
.parallax-section.bg-drivers,
.parallax-section.bg-engagement {
  color: var(--text-dark);
}

.parallax-overlay-light {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(248, 250, 252, 0.93);
  z-index: 1;
}

.parallax-section.bg-role h2,
.parallax-section.bg-drivers h2,
.parallax-section.bg-engagement h2 {
  color: var(--cefiro-dark-blue) !important;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
}

.parallax-section.bg-role .section-subtitle,
.parallax-section.bg-drivers .section-subtitle,
.parallax-section.bg-engagement .section-subtitle {
  color: var(--text-dark-muted) !important;
  font-size: 1.1rem;
}

/* ==========================================================================
   CARDS & PILL TAG RULES
   ========================================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.section-subtitle {
  max-width: 780px;
  margin-bottom: 3.5rem;
  line-height: 1.6;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

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

/* Light Cards */
.card {
  background-color: var(--bg-light-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 2.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 12px rgba(10, 25, 47, 0.05);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(10, 25, 47, 0.12);
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--cefiro-dark-blue) !important;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-dark-muted) !important;
}

.card .pill-tag {
  display: inline-block;
  font-family: var(--font-heading);
  background-color: rgba(72, 169, 66, 0.12);
  color: var(--cefiro-green) !important;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* Dark Cards */
.card-dark {
  background-color: var(--bg-dark-card);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 2.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-dark:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.card-dark h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--cefiro-white) !important;
}

.card-dark p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #E2E8F0 !important;
}

.card-dark .pill-tag {
  display: inline-block;
  font-family: var(--font-heading);
  background-color: rgba(0, 163, 224, 0.15);
  color: var(--cefiro-light-blue) !important;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* ==========================================================================
   HERO & STAT CARDS
   ========================================================================== */

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--cefiro-light-blue) !important;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.hero h1 {
  font-size: 3.35rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 1.5rem;
}

.hero p {
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* DESKTOP HERO BUTTONS: EQUAL SIZING & SPACING */
.cta-group {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-top: 1.5rem;
  width: 100%;
  max-width: 560px;
}

.cta-group .btn-primary,
.cta-group .btn-secondary {
  flex: 1;
  text-align: center;
  padding: 0.9rem 1.25rem;
  box-sizing: border-box;
  white-space: nowrap;
}

.btn-primary {
  font-family: var(--font-heading);
  background-color: var(--cefiro-light-blue);
  color: var(--cefiro-dark-blue) !important;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-block;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: #33B5E5 !important;
  transform: translateY(-2px);
}

.btn-secondary {
  font-family: var(--font-heading);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--cefiro-white) !important;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-block;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  border-color: var(--cefiro-light-blue);
  color: var(--cefiro-light-blue) !important;
  background-color: rgba(0, 163, 224, 0.1);
}

.hero-stat-card {
  background-color: var(--bg-dark-card);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 2.25rem;
}

.stat-item {
  margin-bottom: 1.5rem;
}

.stat-item:last-child {
  margin-bottom: 0;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cefiro-light-blue) !important;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.stat-label {
  color: #E2E8F0 !important;
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 400;
}

/* ==========================================================================
   DESKTOP FOOTER & CONTACT FORM
   ========================================================================== */

footer {
  background-color: var(--bg-dark-inner);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #94A3B8;
  padding: 4rem 2rem 2rem 2rem;
  font-size: 0.9rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: 3rem;
}

.footer-brand-img {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1.25rem;
}

.footer-info .location-text {
  margin-top: 1rem;
  color: #A0AEC0;
  font-size: 0.95rem;
}

.footer-form-container {
  background: #0B1D3A;
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 100%;
  box-sizing: border-box;
}

.form-title {
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.contact-form .form-group {
  margin-bottom: 1.2rem;
}

.contact-form label {
  display: block;
  color: #E2E8F0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #162A4A;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: #FFFFFF;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cefiro-light-blue);
  background-color: #1C355E;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #718096;
}

.form-submit-btn {
  width: 100%;
  padding: 0.9rem;
  background-color: var(--cefiro-light-blue);
  color: var(--cefiro-dark-blue);
  border: none;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-top: 0.5rem;
}

.form-submit-btn:hover {
  background-color: #33B5E5;
}

.form-status-message {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  display: none;
}

.form-status-message.success {
  display: block;
  background-color: rgba(72, 187, 120, 0.15);
  color: #68D391;
  border: 1px solid #48BB78;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   MOBILE NAVIGATION BUTTON
   ========================================================================== */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 26px;
  height: 2px;
  background-color: #0B1D3A;
  position: relative;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.nav-toggle.active .hamburger {
  background-color: transparent;
}

.nav-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 1024px) {
  .hero h1 { font-size: 2.8rem; }
}

@media (max-width: 992px) {
  .hero-container { grid-template-columns: 1fr; gap: 3rem; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .parallax-section { background-attachment: scroll; }
}

/* ==========================================
   MOBILE-ONLY OVERRIDES (Below 768px)
   ========================================== */
@media (max-width: 768px) {
  .nav-toggle {
    display: block !important;
  }

  .nav-links {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: 280px !important;
    height: 100vh !important;
    background-color: #FFFFFF !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    padding: 6rem 2rem 2rem 2rem !important;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2) !important;
    transition: right 0.3s ease-in-out !important;
    z-index: 9999 !important;
  }

  .nav-links.active {
    right: 0 !important;
  }

  .nav-links li {
    margin: 1.2rem 0 !important;
    width: 100% !important;
  }

  .nav-links a {
    display: block !important;
    font-size: 1.1rem !important;
    color: #0B1D3A !important;
    text-decoration: none !important;
  }

  /* Standard Card Section Side-Padding (1.25rem) */
  .parallax-section {
    padding: 3.5rem 1.25rem !important;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .section-title { font-size: 1.6rem !important; }
  .section-subtitle { font-size: 1rem !important; }
  .hero h1 { font-size: 2.2rem !important; }
  .hero-stat-card { padding: 1.5rem !important; }

  /* MOBILE HERO BUTTONS: SIDE-BY-SIDE & EQUAL SIZE */
  .cta-group {
    display: flex !important;
    flex-direction: row !important;
    gap: 0.75rem !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .cta-group .btn-primary,
  .cta-group .btn-secondary {
    flex: 1 !important;
    font-size: 0.82rem !important;
    padding: 0.8rem 0.4rem !important;
    text-align: center !important;
    white-space: nowrap !important;
  }

  /* OVERRIDE FOOTER CONTAINER SO IT MATCHES UPPER CARD WIDTH EXACTLY */
  footer {
    padding: 3.5rem 1.25rem 2rem 1.25rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .footer-container {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: none !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    gap: 2rem !important;
  }

  .footer-info {
    width: 100% !important;
    margin-bottom: 0 !important;
    box-sizing: border-box !important;
  }

  .footer-form-container {
    width: 100% !important;
    max-width: 100% !important;
    padding: 1.25rem !important; 
    margin: 0 !important;
    box-sizing: border-box !important;
    border-radius: 12px !important;
  }

  .contact-form input,
  .contact-form textarea {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    gap: 0.5rem !important;
    text-align: center !important;
    width: 100% !important;
    padding-top: 1.5rem !important;
  }
}