/* ==========================================================================
   K0D1R — Modern Dark Theme Design System
   Palette: Night Blue (#0B1220), Cards (#121B2E), Accents (#4F8CFF & #7CF0C9)
   ========================================================================== */

:root {
  --bg-primary: #0B1220;
  --bg-secondary: #0E1729;
  --bg-card: #121B2E;
  --bg-card-hover: #16233B;
  --bg-surface-elevated: #192842;
  --border-subtle: #1C2B47;
  --border-card: #233758;
  --border-accent: #3A5585;

  --text-main: #E7ECF5;
  --text-muted: #8A9AB8;
  --text-dim: #607291;

  --accent-blue: #4F8CFF;
  --accent-blue-hover: #6BA0FF;
  --accent-blue-glow: rgba(79, 140, 255, 0.2);

  --accent-mint: #7CF0C9;
  --accent-mint-glow: rgba(124, 240, 201, 0.18);
  --accent-pink: #F472B6;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --container-max: 1200px;
  --header-height: 72px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* RTL Support */
[dir="rtl"] {
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}
[dir="rtl"] .chevron {
  transform: scaleX(-1);
}

/* Accessibility: Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 16px;
  background: var(--accent-mint);
  color: var(--bg-primary);
  padding: 10px 18px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 16px;
  outline: 3px solid var(--accent-blue);
}

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--accent-mint);
  outline-offset: 3px;
}

/* Typography defaults */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}
p {
  color: var(--text-muted);
}
a {
  color: inherit;
  text-decoration: none;
}
img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Common Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: 84px;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-block: 10px 14px;
}
.section-lead {
  font-size: 1.125rem;
  line-height: 1.65;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-mint);
  font-weight: 700;
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(11, 18, 32, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(35, 55, 88, 0.6);
  transition: border-color var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  user-select: none;
}
.brand-logo {
  flex-shrink: 0;
}
.brand-text {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--text-main);
}
.brand-sub {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-mint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-inline-start: 6px;
  border-inline-start: 1px solid var(--border-card);
}

/* Nav links */
.main-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.main-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  padding: 6px 2px;
}
.main-nav a:hover {
  color: var(--accent-mint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Language Picker */
.lang-picker {
  position: relative;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.lang-btn:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
}
.globe-icon {
  color: var(--accent-mint);
}
.curr-lang {
  font-weight: 700;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  width: 230px;
  max-height: 420px;
  overflow-y: auto;
  background: #111A2C;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 200;
  padding: 8px;
}
.lang-dropdown.open {
  display: block;
}
.dropdown-header {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 6px 10px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4px;
}
.lang-list {
  list-style: none;
}
.lang-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.lang-list a:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}
.lang-list a.active {
  background: var(--bg-surface-elevated);
  color: var(--accent-mint);
  font-weight: 700;
}
.lang-list .badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--text-main);
  cursor: pointer;
}
.hamburger {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  position: relative;
  transition: background var(--transition-fast);
}
.hamburger::before, .hamburger::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  left: 0;
  transition: transform var(--transition-fast);
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-blue);
  color: #061021;
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 18px var(--accent-blue-glow);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border-card);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}
.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-block: 60px 80px;
  overflow: hidden;
}
.hero-container {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 48px;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(124, 240, 201, 0.08);
  border: 1px solid rgba(124, 240, 201, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--accent-mint);
  margin-bottom: 20px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 0 0 var(--accent-mint-glow);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(124, 240, 201, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(124, 240, 201, 0); }
  100% { box-shadow: 0 0 0 0 rgba(124, 240, 201, 0); }
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}
.hero-title span {
  display: block;
}
.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-support {
  font-size: 1.15rem;
  color: #CAD5EA;
  margin-bottom: 16px;
  font-weight: 500;
}
.hero-support strong {
  color: var(--accent-mint);
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 580px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Diagram Frame */
.diagram-frame {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45);
}
.frame-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #0E1626;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #25395A;
}
.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }
.frame-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-inline-start: 8px;
}
.diagram-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Services Section (Accordions)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}
.service-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.service-card details {
  width: 100%;
}
.service-card summary {
  list-style: none;
  padding: 24px;
  cursor: pointer;
  position: relative;
  user-select: none;
}
.service-card summary::-webkit-details-marker {
  display: none;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.card-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-mint);
  background: rgba(124, 240, 201, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
}
.card-head h3 {
  font-size: 1.22rem;
  font-weight: 700;
}
.card-desc {
  font-size: 0.94rem;
  line-height: 1.55;
  margin-bottom: 14px;
}

.details-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-blue);
  font-weight: 600;
}
.details-toggle .chevron {
  transition: transform var(--transition-fast);
}
details[open] .details-toggle .chevron {
  transform: rotate(180deg);
}

.details-content {
  padding: 0 24px 24px;
  border-top: 1px dashed var(--border-subtle);
  margin-top: 4px;
}
.service-items {
  list-style: none;
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.service-items li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: #C3D0E5;
}
.check-icon {
  flex-shrink: 0;
  color: var(--accent-mint);
  margin-top: 3px;
}

/* ==========================================================================
   Technology Ecosystem
   ========================================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 28px;
}
.tech-group {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
}
.tech-group h4 {
  font-size: 1.05rem;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.tech-pill-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tech-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}
.tech-pill:hover {
  border-color: var(--border-accent);
}
.tech-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}
.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.tech-disclaimer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-dim);
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

/* ==========================================================================
   CI/CD & Architecture Reference
   ========================================================================== */
.pipeline-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}
.pipeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 22px;
}
.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(79, 140, 255, 0.15);
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.pipeline-step h5 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.pipeline-step p {
  font-size: 0.88rem;
  line-height: 1.5;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 22px;
}
.p-icon {
  color: var(--accent-mint);
  margin-bottom: 10px;
}
.principle-card h5 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.principle-card p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Architecture Tabs Widget */
.arch-tabs-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.tab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}
.tab-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  color: var(--text-main);
  border-color: var(--accent-blue);
}
.tab-btn.active {
  background: var(--accent-blue);
  color: #061021;
  border-color: var(--accent-blue);
  font-weight: 700;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.caption-text {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-align: center;
  margin-top: 14px;
}

/* ==========================================================================
   Approach Section
   ========================================================================== */
.approach-list {
  list-style: none;
  max-width: 840px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.approach-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: border-color var(--transition-fast);
}
.approach-step:hover {
  border-color: var(--accent-mint);
}
.approach-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(124, 240, 201, 0.15);
  border: 1px solid var(--accent-mint);
  color: var(--accent-mint);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.approach-body h5 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.approach-body p {
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ==========================================================================
   Target Audience
   ========================================================================== */
.badge-neutral {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
  margin-inline-start: 8px;
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.aud-tier {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent-mint);
  margin-bottom: 10px;
}
.audience-card h4 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.aud-desc {
  font-size: 0.94rem;
  margin-bottom: 20px;
}
.aud-needs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.aud-needs li {
  font-size: 0.88rem;
  color: #C3D0E5;
}
.aud-needs .bullet {
  color: var(--accent-blue);
  margin-inline-end: 6px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 44px;
}
.about-hero {
  max-width: 820px;
  margin-bottom: 36px;
}
.about-hero h2 {
  font-size: 2.2rem;
  margin-block: 8px 14px;
}
.about-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-main);
}
.about-principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.about-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
}
.about-card h5 {
  font-size: 1.08rem;
  color: var(--accent-mint);
  margin-bottom: 8px;
}
.about-card p {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-container {
  max-width: 760px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-mint);
  background: rgba(124, 240, 201, 0.08);
  border: 1px solid rgba(124, 240, 201, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-mint);
}
.contact-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}
.contact-lead {
  font-size: 1.08rem;
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 28px;
}

.contact-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 8px 12px 8px 18px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.email-display {
  display: flex;
  align-items: center;
  gap: 10px;
}
.email-link {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.02em;
}
.email-link:hover {
  text-decoration: underline;
}

.copy-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}
.copy-btn.copied {
  background: rgba(124, 240, 201, 0.15);
  border-color: var(--accent-mint);
  color: var(--accent-mint);
}

.contact-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.contact-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #080D17;
  border-top: 1px solid var(--border-subtle);
  padding-block: 56px 36px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border-subtle);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.brand-name {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
}
.footer-tagline {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent-mint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-inline-start: 6px;
  border-inline-start: 1px solid var(--border-card);
}
.footer-summary {
  font-size: 0.88rem;
  max-width: 440px;
  color: var(--text-dim);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--accent-mint);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.trademark-note {
  font-size: 0.75rem;
  color: #4A5B78;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 960px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }
  .hero-lead, .hero-chips, .hero-actions {
    margin-inline: auto;
    justify-content: center;
  }
  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 820px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    inset-inline-start: 0;
    width: 100%;
    background: #0E1626;
    border-bottom: 1px solid var(--border-card);
    padding: 24px;
    display: none;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .nav-cta {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .section {
    padding-block: 56px;
  }
  .about-wrapper {
    padding: 24px;
  }
  .contact-card {
    padding: 32px 20px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}