@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');
@import url('./variables.css');

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark-base);
  color: var(--text-secondary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Atmosphere Gradients */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 248, 0.12) 0%, rgba(139, 92, 246, 0.04) 50%, transparent 70%);
  filter: blur(80px);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: 10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 60%);
  filter: blur(100px);
  z-index: -2;
  pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  color: var(--text-secondary);
}

a {
  color: var(--electric-cyan);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: #7DD3FC;
}

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

/* Container & Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: clamp(4.5rem, 8vw, 7.5rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark-base);
}

.section-surface {
  background-color: var(--bg-dark-depth);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* Crisp White Section for High Contrast (Prompt: "Dark navy or near black backgrounds combined with white sections") */
.section-light {
  background-color: var(--bg-light);
  color: var(--text-light-body);
  position: relative;
}

.section-light h1,
.section-light h2,
.section-light h3,
.section-light h4 {
  color: var(--text-light-heading);
}

.section-light p {
  color: var(--text-light-body);
}

.section-light .section-subtitle {
  color: var(--text-light-muted);
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(3rem, 5vw, 4.5rem) auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.12);
  color: var(--electric-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 1.25rem;
}

.eyebrow-light {
  background: rgba(37, 99, 235, 0.08);
  color: var(--electric-blue);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--electric-cyan);
  box-shadow: 0 0 8px var(--electric-cyan);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-brand {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.975rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  color: #FFFFFF;
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-color: var(--electric-cyan);
  transform: translateY(-2px);
}

.btn-secondary-light {
  background: #FFFFFF;
  color: var(--text-light-heading);
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-secondary-light:hover {
  background: #F1F5F9;
  color: var(--electric-blue);
  border-color: var(--electric-blue);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: 0.6s ease;
}

.btn-glow:hover::after {
  left: 140%;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(6, 9, 17, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(6, 9, 17, 0.95);
  border-bottom-color: rgba(56, 189, 248, 0.15);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand-logo img {
  height: 38px;
  width: auto;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 280px;
  background: var(--bg-dark-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  backdrop-filter: blur(20px);
  z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(37, 99, 235, 0.12);
  color: #FFFFFF;
}

.dropdown-icon {
  width: 20px;
  height: 20px;
  color: var(--electric-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.dropdown-item-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 2px;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Footer */
.site-footer {
  background: #030509;
  border-top: 1px solid var(--border-subtle);
  padding-top: clamp(4rem, 6vw, 5.5rem);
  padding-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.4), transparent);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-email-box {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  font-size: 0.875rem;
  color: var(--electric-cyan);
  transition: all var(--transition-fast);
}

.footer-email-box:hover {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--electric-cyan);
  color: #FFFFFF;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

.footer-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  background: rgba(56, 189, 248, 0.2);
  color: var(--electric-cyan);
  margin-left: 0.4rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-legal-links a:hover {
  color: var(--text-secondary);
}

/* Accessible Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
}

/* Breadcrumb Navigation */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--electric-cyan);
}

.breadcrumbs-separator {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.breadcrumbs-current {
  color: var(--electric-cyan);
  font-weight: 600;
}