/* ============================================
   CobaltStack Analytics - Main Stylesheet
   BRAND: CobaltStack Analytics
   COLORS: cobalt-700 (#1d4ed8) + electric blue-400
   DESIGN: BOLD, Overlapping cards, High contrast
   ============================================ */

/* === CSS Variables === */
:root {
  --cobalt-900: #0f1d45;
  --cobalt-800: #142b6f;
  --cobalt-700: #1d4ed8;
  --cobalt-600: #1e5ae6;
  --cobalt-500: #2563eb;
  --cobalt-400: #3b82f6;
  --electric-400: #60a5fa;
  --electric-300: #93bbfd;
  --electric-200: #bfdbfe;
  --electric-100: #dbeafe;
  --electric-50: #eff6ff;
  --white: #ffffff;
  --off-white: #f8fafc;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --navy-900: #0a0f24;
  --navy-800: #0d152f;
  --navy-700: #111d3d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-cobalt: 0 10px 40px -10px rgba(29, 78, 216, 0.4);
  --shadow-electric: 0 10px 40px -10px rgba(96, 165, 250, 0.35);
  --font-sans: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --border-thick: 3px;
  --border-medium: 2px;
  --border-thin: 1px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
  --nav-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--gray-900);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.35rem; }
h5 { font-size: 1.15rem; }
h6 { font-size: 1rem; }

/* === Container === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-sm {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-xs {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* === Section Base === */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  background: var(--electric-100);
  color: var(--cobalt-700);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  border: var(--border-medium) solid var(--cobalt-700);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* === Utility Classes === */
.text-cobalt { color: var(--cobalt-700); }
.text-electric { color: var(--electric-400); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray-500); }
.text-center { text-align: center; }
.text-bold { font-weight: 700; }
.text-extrabold { font-weight: 800; }

.bg-cobalt { background-color: var(--cobalt-700); }
.bg-cobalt-dark { background-color: var(--cobalt-800); }
.bg-navy { background-color: var(--navy-900); }
.bg-electric { background-color: var(--electric-100); }
.bg-white { background-color: var(--white); }
.bg-gray { background-color: var(--gray-50); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  border: var(--border-thick) solid transparent;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.1);
}

.btn-primary {
  background: var(--cobalt-700);
  color: var(--white);
  border-color: var(--cobalt-700);
  box-shadow: var(--shadow-cobalt);
}

.btn-primary:hover {
  background: var(--cobalt-600);
  border-color: var(--cobalt-600);
  transform: translateY(-2px);
  box-shadow: 0 15px 50px -10px rgba(29, 78, 216, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--cobalt-700);
  border-color: var(--cobalt-700);
}

.btn-outline:hover {
  background: var(--cobalt-700);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--cobalt-700);
  border-color: var(--white);
}

.btn-white:hover {
  background: var(--electric-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--cobalt-700);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
}

/* ====================================
   NAVBAR
   ==================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--white);
  border-bottom: var(--border-thick) solid var(--cobalt-700);
  z-index: 1000;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--cobalt-800);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--cobalt-700);
  letter-spacing: -0.02em;
}

.nav-brand .brand-icon {
  width: 38px;
  height: 38px;
  background: var(--cobalt-700);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 900;
  border: var(--border-medium) solid var(--cobalt-700);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--gray-700);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--cobalt-700);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cobalt-700);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--cobalt-700);
  border-radius: 3px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: 2rem;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--gray-800);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: var(--border-thick) solid transparent;
  transition: all var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--cobalt-700);
  border-color: var(--cobalt-700);
  background: var(--electric-50);
}

/* ====================================
   HERO - Diagonal Split
   ==================================== */
.hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: var(--cobalt-700);
  clip-path: polygon(0 0, 85% 0, 100% 100%, 0% 100%);
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-right: 2rem;
}

.hero-content .hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: var(--border-medium) solid rgba(255,255,255,0.3);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.hero-content h1 {
  font-size: 3.75rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-content h1 span {
  color: var(--electric-400);
  display: inline-block;
}

.hero-content p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  border-radius: var(--radius-xl);
  border: var(--border-thick) solid var(--cobalt-700);
  box-shadow: var(--shadow-2xl);
  max-width: 100%;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: var(--border-thick) solid var(--electric-400);
  border-radius: var(--radius-xl);
  z-index: -1;
}

/* ====================================
   FEATURES - 6 Cards 3x2 Overlapping
   ==================================== */
.features {
  background: var(--white);
  position: relative;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.feature-card {
  background: var(--white);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  transition: all var(--transition-base);
  cursor: default;
  box-shadow: var(--shadow-md);
}

/* Row 1 - negative margin bottom to overlap row 2 */
.feature-card:nth-child(1),
.feature-card:nth-child(2),
.feature-card:nth-child(3) {
  margin-bottom: -30px;
  z-index: 3;
}

/* Row 2 - slightly shifted down */
.feature-card:nth-child(4),
.feature-card:nth-child(5),
.feature-card:nth-child(6) {
  z-index: 2;
  margin-top: 0;
}

/* Stagger z-indices for card-overlap effect */
.feature-card:nth-child(1) { z-index: 6; }
.feature-card:nth-child(2) { z-index: 5; margin-left: -10px; margin-right: -10px; }
.feature-card:nth-child(3) { z-index: 4; }
.feature-card:nth-child(4) { z-index: 3; }
.feature-card:nth-child(5) { z-index: 2; margin-left: -10px; margin-right: -10px; }
.feature-card:nth-child(6) { z-index: 1; }

.feature-card:hover {
  transform: translateY(-12px) scale(1.03);
  z-index: 20 !important;
  box-shadow: var(--shadow-cobalt);
  border-color: var(--electric-400);
  background: var(--electric-50);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--cobalt-700);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: var(--border-medium) solid var(--cobalt-700);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--electric-400);
  border-color: var(--electric-400);
  box-shadow: var(--shadow-electric);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.feature-card:hover h3 {
  color: var(--cobalt-700);
}

.feature-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

.feature-number {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 3rem;
  font-weight: 900;
  color: var(--electric-200);
  line-height: 1;
  transition: color var(--transition-base);
  pointer-events: none;
}

.feature-card:hover .feature-number {
  color: var(--cobalt-700);
  opacity: 0.3;
}

/* ====================================
   STATS - 4 Bold Columns
   ==================================== */
.stats {
  background: var(--navy-900);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(29,78,216,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  border: var(--border-thick) solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  transition: all var(--transition-base);
  position: relative;
}

.stat-item:hover {
  border-color: var(--electric-400);
  background: rgba(255,255,255,0.06);
  transform: translateY(-6px);
  box-shadow: var(--shadow-electric);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--electric-400);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-divider {
  width: 40px;
  height: 4px;
  background: var(--cobalt-700);
  margin: 1rem auto;
  border-radius: 2px;
}

/* ====================================
   TESTIMONIALS - 3 Overlapping Cards
   ==================================== */
.testimonials {
  background: var(--gray-50);
  position: relative;
  z-index: 1;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.testimonial-card {
  background: var(--white);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.testimonial-card:nth-child(1) {
  z-index: 3;
  transform: rotate(-1deg);
}

.testimonial-card:nth-child(2) {
  z-index: 4;
  margin-left: -40px;
  margin-right: -40px;
  margin-top: -20px;
  transform: rotate(0deg);
  border-color: var(--electric-400);
  box-shadow: var(--shadow-cobalt);
}

.testimonial-card:nth-child(3) {
  z-index: 3;
  transform: rotate(1deg);
}

.testimonial-card:hover {
  z-index: 20 !important;
  transform: rotate(0deg) translateY(-10px) scale(1.04) !important;
  border-color: var(--electric-400);
  box-shadow: var(--shadow-2xl);
  background: var(--electric-50);
}

.testimonial-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: var(--border-thick) solid var(--cobalt-700);
  margin: 0 auto 1.25rem;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.testimonial-card:hover .testimonial-avatar {
  border-color: var(--electric-400);
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 1rem;
}

.star {
  width: 20px;
  height: 20px;
  color: #f59e0b;
  fill: #f59e0b;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-name {
  font-weight: 800;
  color: var(--gray-900);
  font-size: 1.05rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}

/* ====================================
   FAQ - 6 Items, Bold Cobalt Borders
   ==================================== */
.faq {
  background: var(--white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  background: var(--white);
}

.faq-item:hover {
  border-color: var(--electric-400);
  box-shadow: var(--shadow-md);
}

.faq-item.active {
  border-color: var(--electric-400);
  box-shadow: var(--shadow-cobalt);
  background: var(--electric-50);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  cursor: pointer;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gray-900);
  transition: color var(--transition-fast);
  gap: 1rem;
  user-select: none;
}

.faq-item.active .faq-question {
  color: var(--cobalt-700);
}

.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: var(--cobalt-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-question .faq-icon {
  background: var(--electric-400);
  transform: rotate(45deg);
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--white);
  border-radius: 2px;
}

.faq-question .faq-icon::before {
  width: 14px;
  height: 2px;
}

.faq-question .faq-icon::after {
  width: 2px;
  height: 14px;
}

.faq-question .faq-icon {
  position: relative;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  color: var(--gray-600);
  line-height: 1.75;
  font-size: 0.95rem;
}

/* ====================================
   CTA - Full Cobalt Background
   ==================================== */
.cta {
  background: var(--cobalt-700);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: rgba(255,255,255,0.03);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  pointer-events: none;
}

.cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(96,165,250,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ====================================
   FOOTER - Dark Navy, 4 Columns
   ==================================== */
.footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.7);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--cobalt-700);
  border-radius: 2px;
}

.footer-brand-text {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: var(--border-medium) solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  font-weight: 700;
  font-size: 0.8rem;
}

.footer-social a:hover {
  border-color: var(--electric-400);
  color: var(--electric-400);
  background: rgba(96,165,250,0.1);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--electric-400);
  padding-left: 6px;
}

.footer-bottom {
  border-top: var(--border-thin) solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.4);
}

/* ====================================
   ABOUT PAGE
   ==================================== */
.about-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--white);
  text-align: center;
}

.about-hero h1 {
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.about-hero .about-subtitle {
  font-size: 1.25rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* Mission */
.mission {
  padding: 5rem 0;
  background: var(--cobalt-700);
  position: relative;
  overflow: hidden;
}

.mission::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(96,165,250,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.mission-content h2 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.mission-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.mission-stats-row {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.mission-stat {
  text-align: center;
  padding: 1.25rem;
  border: var(--border-thick) solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  flex: 1;
}

.mission-stat .ms-number {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--electric-400);
  font-family: var(--font-mono);
}

.mission-stat .ms-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.mission-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mission-image-placeholder {
  width: 100%;
  height: 350px;
  background: rgba(255,255,255,0.08);
  border: var(--border-thick) dashed rgba(255,255,255,0.3);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Values */
.values {
  padding: 6rem 0;
  background: var(--white);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.value-card {
  text-align: center;
  padding: 3rem 1.5rem;
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-xl);
  background: var(--white);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--cobalt-700);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-10px);
  border-color: var(--electric-400);
  box-shadow: var(--shadow-cobalt);
}

.value-card:hover::before {
  height: 8px;
  background: var(--electric-400);
}

.value-icon {
  width: 64px;
  height: 64px;
  background: var(--cobalt-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: var(--border-thick) solid var(--cobalt-700);
  transition: all var(--transition-base);
}

.value-card:hover .value-icon {
  background: var(--electric-400);
  border-color: var(--electric-400);
  box-shadow: var(--shadow-electric);
}

.value-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.value-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Team */
.team {
  padding: 6rem 0;
  background: var(--gray-50);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.team-card {
  background: var(--white);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  text-align: center;
}

.team-card:hover {
  transform: translateY(-10px);
  border-color: var(--electric-400);
  box-shadow: var(--shadow-cobalt);
}

.team-photo {
  width: 100%;
  height: 220px;
  background: var(--electric-100);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: var(--border-thick) solid var(--cobalt-700);
  overflow: hidden;
  position: relative;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-photo-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--cobalt-700);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 900;
  font-size: 1.5rem;
}

.team-info {
  padding: 1.5rem;
}

.team-info h4 {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.team-info .team-role {
  color: var(--cobalt-700);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.team-info p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.6;
}

.team-social {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.team-social a {
  width: 34px;
  height: 34px;
  border: var(--border-medium) solid var(--gray-300);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.team-social a:hover {
  border-color: var(--cobalt-700);
  color: var(--cobalt-700);
  background: var(--electric-50);
}

/* ====================================
   CONTACT PAGE
   ==================================== */
.contact-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 3rem;
  background: var(--white);
  text-align: center;
}

.contact-hero h1 {
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.contact-hero .contact-subtitle {
  font-size: 1.25rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.contact-section {
  padding: 3rem 0 6rem;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.contact-form-wrap h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: var(--gray-900);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group label .required {
  color: #ef4444;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: var(--border-thick) solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--gray-800);
  background: var(--white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--cobalt-700);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
  background: var(--electric-50);
}

.form-control.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-control.success {
  border-color: #10b981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-error-message {
  font-size: 0.8rem;
  color: #ef4444;
  font-weight: 600;
  margin-top: 0.35rem;
  display: none;
}

.form-error-message.visible {
  display: block;
}

.form-submit-row {
  margin-top: 2rem;
}

.form-submit-row .btn {
  width: 100%;
}

.form-success-message {
  display: none;
  background: #ecfdf5;
  border: var(--border-thick) solid #10b981;
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  color: #065f46;
  font-weight: 700;
  font-size: 1.1rem;
}

.form-success-message.visible {
  display: block;
}

/* Contact Info Sidebar */
.contact-info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-card {
  background: var(--white);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--electric-400);
  box-shadow: var(--shadow-md);
}

.contact-info-card .info-icon {
  width: 48px;
  height: 48px;
  background: var(--cobalt-700);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--white);
  font-weight: 900;
  font-size: 1.1rem;
}

.contact-info-card h4 {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.contact-info-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Map Placeholder */
.map-placeholder {
  width: 100%;
  height: 260px;
  background: var(--electric-100);
  border: var(--border-thick) solid var(--cobalt-700);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cobalt-700);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.map-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 20px,
    rgba(29,78,216,0.05) 20px,
    rgba(29,78,216,0.05) 21px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 20px,
    rgba(29,78,216,0.05) 20px,
    rgba(29,78,216,0.05) 21px
  );
  pointer-events: none;
}

.map-placeholder .map-pin {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.map-pin-dot {
  width: 20px;
  height: 20px;
  background: var(--cobalt-700);
  border-radius: 50%;
  border: var(--border-medium) solid var(--white);
  box-shadow: var(--shadow-md);
}

/* ====================================
   SCROLL REVEAL ANIMATIONS
   ==================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-delay-100 { transition-delay: 0.1s; }
.reveal-delay-200 { transition-delay: 0.2s; }
.reveal-delay-300 { transition-delay: 0.3s; }
.reveal-delay-400 { transition-delay: 0.4s; }
.reveal-delay-500 { transition-delay: 0.5s; }
.reveal-delay-600 { transition-delay: 0.6s; }

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

@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card:nth-child(2) { margin-left: 0; margin-right: 0; }
  .feature-card:nth-child(5) { margin-left: 0; margin-right: 0; }

  .feature-card:nth-child(odd) { margin-bottom: -30px; z-index: 3; }
  .feature-card:nth-child(even) { z-index: 2; }

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

@media (max-width: 1024px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2rem; }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    padding-right: 0;
    order: 2;
  }

  .hero-content p { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-image { order: 1; max-width: 500px; margin: 0 auto; }

  .hero::before {
    clip-path: polygon(0 0, 100% 0, 100% 70%, 0% 100%);
    width: 100%;
    height: 65%;
  }

  .hero-content h1 {
    color: var(--gray-900);
    font-size: 2.5rem;
  }

  .hero-content .hero-badge {
    background: var(--electric-100);
    color: var(--cobalt-700);
    border-color: var(--cobalt-700);
  }

  .hero-content p {
    color: var(--gray-500);
  }

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

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .testimonial-card:nth-child(2) {
    margin-left: 0;
    margin-right: 0;
    margin-top: -30px;
  }

  .testimonial-card { transform: none !important; }

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

  .mission-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  .section-title { font-size: 2rem; }
  .section { padding: 4rem 0; }

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

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 2rem);
    padding-bottom: 2rem;
  }

  .hero::before {
    height: 55%;
    clip-path: polygon(0 0, 100% 0, 100% 60%, 0% 100%);
  }

  .hero-content h1 { font-size: 2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }

  .features-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .feature-card:nth-child(n) {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: -20px;
  }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-number { font-size: 2.5rem; }

  .faq-question { font-size: 1rem; padding: 1.25rem; }

  .cta h2 { font-size: 2rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 350px; margin: 0 auto; }

  .contact-form-wrap { padding: 1.5rem; }
  .contact-grid { gap: 2rem; }

  .mission-stats-row { flex-direction: column; }

  .about-hero h1 { font-size: 2.25rem; }
  .contact-hero h1 { font-size: 2.25rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .container-sm { padding: 0 1rem; }
  .container-xs { padding: 0 1rem; }

  h1 { font-size: 1.75rem; }
  .hero-content h1 { font-size: 1.65rem; }

  .stats-grid { grid-template-columns: 1fr; }
  .stat-number { font-size: 2rem; }

  .btn { padding: 0.7rem 1.5rem; }

  .section-header { margin-bottom: 2.5rem; }
}

/* === Print Styles === */
@media print {
  .navbar, .hamburger, .mobile-menu, .cta { display: none; }
  body { font-size: 12pt; }
  a { text-decoration: underline; }
}
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