:root {
  --bg-base:        #080a0f;
  --bg-surface:     #11151e;
  --bg-elevated:    #161c28;
  --bg-card:        #121722;
  --bg-hover:       #1b2332;

  --border-subtle:  #1d2433;
  --border-card:    #253043;
  --border-focus:   #00e599;

  --text-primary:   #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted:     #8092a8;

  --accent:         #00e599;
  --accent-hover:   #2bf0ab;
  --accent-pressed: #00bf7f;
  --accent-dim:     rgba(0, 229, 153, 0.08);

  --rust-color:     #f97316;
  --rust-bg:        rgba(249, 115, 22, 0.1);
  --rust-border:    rgba(249, 115, 22, 0.35);

  --go-color:       #38bdf8;
  --go-bg:          rgba(56, 189, 248, 0.1);
  --go-border:      rgba(56, 189, 248, 0.35);

  --python-color:   #facc15;
  --python-bg:      rgba(250, 204, 21, 0.1);
  --python-border:  rgba(250, 204, 21, 0.35);

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --container-width: 1200px;
}

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

html {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 229, 153, 0.06), transparent 70%),
    var(--bg-base);
}

::selection {
  background-color: var(--accent);
  color: #000000;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.text-accent {
  color: var(--accent);
}

/* ==========================================================================
   BUTTON ARCHITECTURE (6 Full Mandatory States)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #06090e;
  border-color: var(--accent);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  background-color: var(--accent-pressed);
  transform: translateY(0);
}
.btn-primary:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}
.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-card);
}
.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-secondary:active {
  background-color: var(--bg-elevated);
  transform: translateY(0);
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-secondary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1rem;
}

/* ==========================================================================
   SITE HEADER
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(8, 10, 15, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  height: 70px;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--accent);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.availability-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle:hover {
  border-color: var(--accent);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.nav-toggle.is-active .line-1 {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .line-2 {
  opacity: 0;
  transform: translateX(-6px);
}

.nav-toggle.is-active .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  padding-top: 56px;
  padding-bottom: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 153, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 24px;
}

.hero-lead strong {
  color: #ffffff;
}

.skills-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.chip-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-weight: 500;
}

.chip-rust {
  background: var(--rust-bg);
  border: 1px solid var(--rust-border);
  color: #fb923c;
}

.chip-go {
  background: var(--go-bg);
  border: 1px solid var(--go-border);
  color: #38bdf8;
}

.chip-python {
  background: var(--python-bg);
  border: 1px solid var(--python-border);
  color: #facc15;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-stats-strip {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.stat-cell {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
}

.stat-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background-color: var(--border-subtle);
}

/* ==========================================================================
   TERMINAL CARD (High Contrast Windows Shell)
   ========================================================================== */

.terminal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.terminal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #18202c;
  border-bottom: 1px solid var(--border-card);
  min-width: 0;
}

.terminal-dots {
  display: flex;
  gap: 7px;
  flex-shrink: 0;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}
.dot.close { background-color: #ff5f56; }
.dot.min   { background-color: #ffbd2e; }
.dot.max   { background-color: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.terminal-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 153, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.terminal-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: #0d1117;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.cli-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.cli-prompt {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.cli-cmd {
  color: #ffffff;
  word-break: break-all;
}

.cli-output {
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding-left: 10px;
  word-break: break-word;
  min-width: 0;
}

.json-code {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.json-code pre {
  background: #141a24;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  overflow-x: auto;
  line-height: 1.5;
  color: #e2e8f0;
  width: 100%;
  max-width: 100%;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-overflow-scrolling: touch;
}

.j-key { color: #38bdf8; }
.j-str { color: #a78bfa; }
.j-val { color: var(--accent); }

.terminal-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px;
  background: #18202c;
  border-top: 1px solid var(--border-card);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #94a3b8;
}

.mt-2 { margin-top: 8px; }

/* ==========================================================================
   TRIAD STACK SECTION
   ========================================================================== */

.section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-heading {
  margin-bottom: 44px;
}

.kicker-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 10px;
}

.heading-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 12px;
}

.heading-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 620px;
}

.triad-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stack-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.2s ease;
}

.stack-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.stack-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  width: 100%;
}

.card-pill {
  position: static;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.stack-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  background: var(--bg-surface);
  flex-shrink: 0;
}

.rust-accent { color: #fb923c; border: 1px solid var(--rust-border); background: var(--rust-bg); }
.go-accent   { color: #38bdf8; border: 1px solid var(--go-border); background: var(--go-bg); }
.python-accent { color: #facc15; border: 1px solid var(--python-border); background: var(--python-bg); }

.stack-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.stack-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.stack-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.stack-features li {
  font-size: 0.84rem;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stack-features li::before {
  content: "—";
  color: var(--accent);
  font-weight: 700;
}

.stack-metric-box {
  margin-top: auto;
  padding: 12px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.metric-highlight {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.metric-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   PRINCIPLES SECTION
   ========================================================================== */

.experience-section {
  background: #0c0f16;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.principle-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
}

.principle-number {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.principle-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.principle-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   CODE PLAYGROUND TABS
   ========================================================================== */

.code-showcase-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.code-tabs-nav {
  display: flex;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-card);
  padding: 0 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.code-tabs-nav::-webkit-scrollbar {
  display: none;
}

.code-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 14px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-tap-highlight-color: transparent;
}

.code-tab-btn * {
  pointer-events: none;
}

.code-tab-btn:hover {
  color: #ffffff;
}

.code-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.code-pane {
  display: none;
}

.code-pane.active {
  display: block;
  animation: codePaneGlide 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes codePaneGlide {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.code-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: #0d1117;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.meta-filename {
  color: #ffffff;
}
.meta-note {
  color: var(--text-muted);
}

.code-pane pre {
  padding: 24px;
  background: #0d1117;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-secondary);
  overflow-x: auto;
}

.tok-kw   { color: #f43f5e; font-weight: 600; }
.tok-fn   { color: #38bdf8; }
.tok-type { color: #a78bfa; }
.tok-str  { color: #4ade80; }
.tok-val  { color: #f59e0b; }

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-wrapper {
  max-width: 820px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-top: 12px;
  margin-bottom: 14px;
}

.contact-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
}

.contact-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.contact-btn-telegram {
  border-color: rgba(36, 161, 222, 0.4);
}

.contact-btn-telegram:hover {
  background: rgba(36, 161, 222, 0.1);
  border-color: #24a1de;
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(36, 161, 222, 0.3);
}

.contact-btn-telegram svg {
  flex-shrink: 0;
}

.contact-server-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
}

.info-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

/* ==========================================================================
   MOBILE APP DOCK (الازرار ليجوّه بالموبايل حصراً)
   ========================================================================== */

.mobile-dock {
  display: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-base);
  padding: 28px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: #ffffff;
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS (MOBILE FIRST)
   ========================================================================== */

/* ==========================================================================
   SCROLL REVEAL & GLOBAL MICRO-ANIMATIONS
   ========================================================================== */

.reveal-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.stack-card,
.principle-item,
.code-showcase-box,
.terminal-card,
.contact-card {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

.stack-card:hover,
.principle-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 153, 0.35);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55), 0 0 20px rgba(0, 229, 153, 0.08);
}

.btn:active,
.contact-btn:active {
  transform: scale(0.97);
}

@keyframes navCascade {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS (GRID LAYOUTS & MOBILE DOCK)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-grid > *,
  .hero-intro,
  .hero-visual,
  .terminal-card {
    min-width: 0;
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  .availability-badge {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }

  /* Animated Mobile Dropdown Menu */
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 22, 0.97);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border-bottom: 1px solid rgba(41, 54, 75, 0.85);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.75);
    display: flex;
    flex-direction: column;
    padding: 16px 20px 22px;
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
    z-index: 9999;
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: #94a3b8;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(-8px);
    opacity: 0;
  }

  .nav-links.is-open .nav-link {
    animation: navCascade 0.32s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .nav-links.is-open .nav-link:nth-child(1) { animation-delay: 0.03s; }
  .nav-links.is-open .nav-link:nth-child(2) { animation-delay: 0.07s; }
  .nav-links.is-open .nav-link:nth-child(3) { animation-delay: 0.11s; }
  .nav-links.is-open .nav-link:nth-child(4) { animation-delay: 0.15s; }
  .nav-links.is-open .nav-link:nth-child(5) { animation-delay: 0.19s; }

  .nav-link:hover,
  .nav-link:active {
    color: var(--accent);
    background: rgba(0, 229, 153, 0.08);
    transform: translateX(4px);
  }

  /* Grid Layout: Triad Cards (2 columns grid) */
  .triad-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .triad-cards-grid .stack-card:first-child {
    grid-column: span 2;
  }

  /* Grid Layout: Principles (2x2 grid) */
  .principles-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  /* Fixed Bottom Dock */
  .mobile-dock {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 99999 !important;
    height: 64px !important;
    background: rgba(11, 15, 23, 0.96) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border-top: 1px solid rgba(41, 54, 75, 0.85) !important;
    box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.7) !important;
    padding: 6px 12px !important;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px)) !important;
    align-items: center !important;
    justify-content: space-around !important;
  }

  .dock-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    color: #8b9bb4 !important;
    text-decoration: none !important;
    font-family: var(--font-display) !important;
    font-size: 0.6875rem !important;
    font-weight: 600 !important;
    padding: 6px 10px !important;
    border-radius: var(--radius-md) !important;
    transition: transform 0.15s ease, color 0.15s ease !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  .dock-item:active {
    transform: scale(0.92) !important;
  }

  .dock-item.active {
    color: var(--accent) !important;
  }

  .dock-item.dock-telegram {
    color: #24a1de !important;
  }

  .dock-item.dock-telegram svg {
    filter: drop-shadow(0 2px 8px rgba(36, 161, 222, 0.45));
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .dock-item.dock-telegram:hover svg,
  .dock-item.dock-telegram:active svg {
    transform: scale(1.15);
  }

  body {
    padding-bottom: 78px !important;
  }

  .nav-contact-btn {
    display: none !important;
  }

  .hero-section {
    padding-top: 24px;
    padding-bottom: 36px;
  }

  .hero-name {
    font-size: clamp(2rem, 7vw, 2.5rem);
    word-break: break-word;
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.55;
    word-break: break-word;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-bottom: 24px;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats-strip {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 6px !important;
    text-align: center !important;
    width: 100% !important;
  }

  .stat-divider {
    display: none !important;
  }

  .stat-cell {
    min-width: 0 !important;
    overflow: hidden;
  }

  .stat-number {
    font-size: 1.15rem !important;
  }

  .stat-desc {
    font-size: 0.65rem !important;
    line-height: 1.25 !important;
    word-break: normal;
  }

  .contact-card {
    padding: 32px 18px;
  }

  .contact-methods {
    flex-direction: column;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
  }

  .contact-btn {
    width: 100%;
    justify-content: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero-name {
    font-size: 2rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  /* Compact Grid for small mobile */
  .triad-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .triad-cards-grid .stack-card:first-child {
    grid-column: span 2 !important;
  }

  .stack-card {
    padding: 18px 12px;
  }

  .stack-title {
    font-size: 1.1rem;
    margin-bottom: 4px;
  }

  .stack-tagline {
    font-size: 0.76rem;
    line-height: 1.35;
    margin-bottom: 12px;
  }

  .stack-features li {
    font-size: 0.72rem;
    line-height: 1.35;
    gap: 6px;
    margin-bottom: 4px;
  }

  .stack-metric-box {
    padding: 8px 10px;
    margin-top: 12px;
  }

  .metric-highlight {
    font-size: 1.1rem;
  }

  .metric-caption {
    font-size: 0.65rem;
  }

  .principles-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .principle-item {
    padding: 16px 12px;
  }

  .principle-number {
    font-size: 0.95rem;
    margin-bottom: 8px;
  }

  .principle-title {
    font-size: 0.92rem;
    margin-bottom: 6px;
  }

  .principle-text {
    font-size: 0.74rem;
    line-height: 1.4;
  }
}