/* =============================================
   SHUBHAM D. PORTFOLIO — MAIN STYLESHEET
   Design: Dark · Vercel/Stripe aesthetic
   Palette: Deep Navy · Slate · Electric Blue/Teal
   ============================================= */

/* ------- Google Fonts already loaded in <head> ------- */

/* =============================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================= */
:root {
  /* Colors */
  --color-bg-base: #050b18;
  --color-bg-surface: #0a1628;
  --color-bg-elevated: #0f1f3d;
  --color-bg-card: #0d1a35;
  --color-bg-card-hover: #122040;

  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  --color-text-primary: #f0f4ff;
  --color-text-secondary: #94a3c4;
  --color-text-muted: #4a6080;

  /* Accent Colors */
  --accent-blue: #3b82f6;
  --accent-blue-light: #60a5fa;
  --accent-blue-glow: rgba(59, 130, 246, 0.2);

  --accent-teal: #14b8a6;
  --accent-teal-light: #2dd4bf;
  --accent-teal-glow: rgba(20, 184, 166, 0.2);

  --accent-purple: #a855f7;
  --accent-purple-light: #c084fc;
  --accent-purple-glow: rgba(168, 85, 247, 0.2);

  --accent-orange: #f97316;
  --accent-orange-light: #fb923c;
  --accent-orange-glow: rgba(249, 115, 22, 0.2);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #14b8a6 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6, #60a5fa);
  --gradient-teal: linear-gradient(135deg, #0d9488, #14b8a6);
  --gradient-purple: linear-gradient(135deg, #7c3aed, #a855f7);
  --gradient-orange: linear-gradient(135deg, #ea580c, #f97316);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 1.5rem;
  --nav-height: 70px;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-blue: 0 0 32px rgba(59, 130, 246, 0.25);
  --shadow-teal: 0 0 32px rgba(20, 184, 166, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* =============================================
   2. RESET & BASE
   ============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

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

/* Selection */
::selection {
  background: var(--accent-blue);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* =============================================
   3. LAYOUT UTILITIES
   ============================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-5xl) 0;
}

.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header.centered {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.section-body {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.centered {
  text-align: center;
}

/* =============================================
   4. BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-blue-light);
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

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

/* =============================================
   5. NAVIGATION
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(5, 11, 24, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 2px;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--accent-blue-light);
}

.logo-bracket {
  color: var(--accent-blue);
}

.logo-name {
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link--active {
  color: var(--color-text-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  backdrop-filter: blur(4px);
}

/* =============================================
   6. HERO SECTION
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite;
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.12) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation-delay: -4s;
}

@keyframes orb-float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(20px, -20px) scale(1.05);
  }

  66% {
    transform: translate(-15px, 15px) scale(0.96);
  }
}

.hero-container {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-xl) var(--container-pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-blue-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  animation: fade-up 0.6s ease both;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-teal);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.12;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  animation: fade-up 0.6s 0.1s ease both;
}

.hero-title-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  max-width: 520px;
  animation: fade-up 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
  animation: fade-up 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  animation: fade-up 0.6s 0.4s ease both;
}

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

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* Hero Visual / Avatar */
.hero-visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  animation: fade-in 0.8s 0.3s ease both;
  margin-top: -20px;
  padding-top: 2.5rem;
}

.avatar-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.03em;
  text-align: center;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.avatar-wrapper {
  position: relative;
  width: 360px;
  height: 360px;
}

.avatar-ring {
  position: absolute;
  border-radius: var(--radius-full);
  border: 1px solid;
  animation: ring-rotate 20s linear infinite;
}

.avatar-ring--outer {
  inset: -20px;
  border-color: rgba(59, 130, 246, 0.2);
  animation-duration: 25s;
}

.avatar-ring--inner {
  inset: -5px;
  border-color: rgba(20, 184, 166, 0.25);
  animation-direction: reverse;
  animation-duration: 18s;
}

@keyframes ring-rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.avatar-frame {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid rgba(59, 130, 246, 0.3);
  position: relative;
  background: var(--color-bg-elevated);
}

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

.avatar-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.15), transparent 60%);
}

/* Tech Badges floating around avatar */
.tech-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-primary);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  animation: badge-float 4s ease-in-out infinite;
  white-space: nowrap;
}

.tech-badge img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.tech-badge--aws {
  top: 10%;
  right: -30px;
  animation-delay: 0s;
}

.tech-badge--containerization {
  bottom: 25%;
  right: -40px;
  animation-delay: -1s;
}

.tech-badge--gcp {
  bottom: 10%;
  left: -20px;
  animation-delay: -2s;
}

.tech-badge--az {
  top: 25%;
  left: -40px;
  animation-delay: -3s;
}

@keyframes badge-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  animation: fade-in 1s 1s ease both;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {

  0%,
  100% {
    opacity: 1;
    transform: scaleY(1);
  }

  50% {
    opacity: 0.3;
    transform: scaleY(0.6);
  }
}

/* =============================================
   7. ABOUT SNIPPET
   ============================================= */
.about-snippet {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-snippet-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.about-snippet-cards {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.journey-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6px 0;
  color: var(--accent-blue-light);
  font-size: 1.4rem;
  opacity: 0.6;
  animation: arrow-pulse 2s ease-in-out infinite;
}

@keyframes arrow-pulse {

  0%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }

  50% {
    transform: translateY(4px);
    opacity: 1;
  }
}

.role-card {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.role-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-card-hover);
  transform: translateX(4px);
}

.role-card-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-blue-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-blue-light);
  flex-shrink: 0;
}

.role-card-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.role-card-body p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* =============================================
   8. SERVICES GRID
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.service-card--blue::before {
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 60%);
}

.service-card--teal::before {
  background: radial-gradient(circle at top left, rgba(20, 184, 166, 0.08), transparent 60%);
}

.service-card--purple::before {
  background: radial-gradient(circle at top left, rgba(168, 85, 247, 0.08), transparent 60%);
}

.service-card--orange::before {
  background: radial-gradient(circle at top left, rgba(249, 115, 22, 0.08), transparent 60%);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card--blue:hover {
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}

.service-card--teal:hover {
  border-color: rgba(20, 184, 166, 0.35);
  box-shadow: 0 8px 30px rgba(20, 184, 166, 0.1);
}

.service-card--purple:hover {
  border-color: rgba(168, 85, 247, 0.35);
  box-shadow: 0 8px 30px rgba(168, 85, 247, 0.1);
}

.service-card--orange:hover {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.1);
}

.service-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: var(--accent-orange-light);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.service-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
}

.service-icon--blue {
  background: var(--accent-blue-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-blue-light);
}

.service-icon--teal {
  background: var(--accent-teal-glow);
  border: 1px solid rgba(20, 184, 166, 0.3);
  color: var(--accent-teal-light);
}

.service-icon--purple {
  background: var(--accent-purple-glow);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--accent-purple-light);
}

.service-icon--orange {
  background: var(--accent-orange-glow);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: var(--accent-orange-light);
}

.service-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.service-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* =============================================
   9. AI FUTURE SECTION
   ============================================= */
.ai-future {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.ai-future-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.ai-glow-sm {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
}

.ai-future-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.ai-pillars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-xl);
}

.ai-pillars li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.ai-pillars li .ph {
  color: var(--accent-teal);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* AI Terminal */
.ai-terminal {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.terminal-header {
  background: #161b22;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #30363d;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.dot-red {
  background: #ff5f56;
}

.dot-yellow {
  background: #ffbd2e;
}

.dot-green {
  background: #27c93f;
}

.terminal-title {
  color: #8b949e;
  font-size: 0.78rem;
  margin-left: 8px;
}

.terminal-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.terminal-line {
  line-height: 1.5;
  color: #e6edf3;
}

.t-prompt {
  color: #58a6ff;
  margin-right: 8px;
}

.t-success {
  color: #3fb950;
}

.t-info {
  color: #8b949e;
}

.t-muted {
  color: #484f58;
}

.cursor {
  animation: blink-cursor 1.2s step-end infinite;
  color: var(--accent-blue);
}

@keyframes blink-cursor {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* =============================================
   10. CTA BANNER
   ============================================= */
.cta-banner {
  border-top: 1px solid var(--color-border);
}

.cta-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
  background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-bg-card));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-3xl);
}

.cta-banner-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.cta-banner-sub {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* =============================================
   11. PAGE HERO (Inner Pages)
   ============================================= */
.page-hero {
  padding: calc(var(--nav-height) + 4rem) 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.page-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  max-width: 700px;
}

.page-hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* =============================================
   12. ABOUT PAGE
   ============================================= */
.about-full-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-4xl);
  align-items: start;
  margin-bottom: var(--space-5xl);
}

.about-bio-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.about-avatar-wrap {
  position: relative;
  margin-bottom: var(--space-lg);
}

.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.about-avatar-glow {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 40px;
  background: rgba(59, 130, 246, 0.25);
  filter: blur(20px);
  z-index: -1;
}

.about-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.about-role {
  font-size: 0.875rem;
  color: var(--accent-blue-light);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.about-location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.about-socials {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-blue-light);
}

.certs-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.cert-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid;
}

.cert-chip--blue {
  background: var(--accent-blue-glow);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-blue-light);
}

.cert-chip--teal {
  background: var(--accent-teal-glow);
  border-color: rgba(20, 184, 166, 0.3);
  color: var(--accent-teal-light);
}

.cert-chip--purple {
  background: var(--accent-purple-glow);
  border-color: rgba(168, 85, 247, 0.3);
  color: var(--accent-purple-light);
}

.cert-chip--orange {
  background: var(--accent-orange-glow);
  border-color: rgba(249, 115, 22, 0.3);
  color: var(--accent-orange-light);
}

/* Values Grid */
.values-section {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4xl);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.value-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}

.value-icon--blue {
  background: var(--accent-blue-glow);
  color: var(--accent-blue-light);
}

.value-icon--teal {
  background: var(--accent-teal-glow);
  color: var(--accent-teal-light);
}

.value-icon--purple {
  background: var(--accent-purple-glow);
  color: var(--accent-purple-light);
}

.value-icon--orange {
  background: var(--accent-orange-glow);
  color: var(--accent-orange-light);
}

.value-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* =============================================
   13. SERVICES PAGE
   ============================================= */
.service-full {
  border-bottom: 1px solid var(--color-border);
}

.service-full--alt {
  background: var(--color-bg-surface);
}

.ai-section {
  position: relative;
  overflow: hidden;
}

.service-full-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.service-full-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.service-icon-large {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border: 1px solid;
}

.service-icon-large--blue {
  background: var(--accent-blue-glow);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-blue);
  box-shadow: var(--shadow-blue);
}

.service-icon-large--teal {
  background: var(--accent-teal-glow);
  border-color: rgba(20, 184, 166, 0.3);
  color: var(--accent-teal);
  box-shadow: var(--shadow-teal);
}

.service-icon-large--purple {
  background: var(--accent-purple-glow);
  border-color: rgba(168, 85, 247, 0.3);
  color: var(--accent-purple);
  box-shadow: 0 0 32px rgba(168, 85, 247, 0.2);
}

.service-icon-large--orange {
  background: var(--accent-orange-glow);
  border-color: rgba(249, 115, 22, 0.3);
  color: var(--accent-orange);
  box-shadow: 0 0 32px rgba(249, 115, 22, 0.2);
}

.service-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.tech-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.service-feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: var(--space-lg);
}

.service-feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.service-feature-list li .ph {
  color: var(--accent-teal);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.coming-soon-tag {
  display: inline-block;
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: var(--accent-orange-light);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  vertical-align: middle;
  margin-left: 12px;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5%);
  right: calc(12.5%);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent-blue), var(--accent-teal), transparent);
  z-index: 0;
}

.process-step {
  position: relative;
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  z-index: 1;
}

.process-step:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.process-step-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-blue-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-blue-light);
  margin: 0 auto var(--space-md);
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* =============================================
   14. CONTACT PAGE
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.contact-detail-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-blue-glow);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-blue-light);
  flex-shrink: 0;
}

.contact-detail-item strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.contact-detail-item p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.contact-detail-item a {
  color: var(--accent-blue-light);
}

.contact-social-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.social-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-size: 1.5rem;
  color: var(--color-text-secondary);
}

.social-card:hover {
  border-color: var(--accent-blue);
  background: var(--color-bg-card-hover);
  color: var(--accent-blue-light);
  transform: translateX(4px);
}

.social-card div strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.social-card div span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Form */
.contact-form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.required {
  color: var(--accent-blue);
}

.form-optional {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.form-input {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--accent-blue);
  background: var(--color-bg-surface);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2394a3c4' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--color-bg-elevated);
}

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

.form-alert {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.form-alert--success {
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.35);
  color: var(--accent-teal-light);
}

.form-alert--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.form-alert .ph {
  font-size: 1.2rem;
}

/* =============================================
   15. FOOTER
   ============================================= */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4xl);
  background: var(--color-bg-surface);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-4xl);
  margin-bottom: var(--space-3xl);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col a:hover {
  color: var(--accent-blue-light);
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-lg) var(--container-pad);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-location {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =============================================
   16. ANIMATIONS
   ============================================= */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Intersection Observer-driven reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* =============================================
   17. RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .avatar-wrapper {
    width: 280px;
    height: 280px;
  }

  .about-snippet-inner {
    grid-template-columns: 1fr;
  }

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

  .ai-future-inner {
    grid-template-columns: 1fr;
  }

  .about-full-grid {
    grid-template-columns: 1fr;
  }

  .about-bio-card {
    position: static;
  }

  .service-full-grid {
    grid-template-columns: 1fr;
  }

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

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

  .process-steps::before {
    display: none;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: var(--space-4xl) 0;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 11, 24, 0.97);
    backdrop-filter: blur(20px);
    padding: var(--space-2xl) var(--space-lg);
    gap: var(--space-sm);
    z-index: 999;
    overflow-y: auto;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: var(--space-md);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-overlay.is-open {
    display: block;
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-xl);
  }

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

  .tech-badge {
    display: none;
  }

  .hero-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
  }

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

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

  .hero-actions {
    flex-direction: column;
  }

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

/* =============================================
   18. FORM ERROR STATE
   ============================================= */
.form-input--error {
  border-color: rgba(239, 68, 68, 0.6) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12) !important;
}

/* =============================================
   19. FOOTER LOGO SIZE FIX
   ============================================= */
.footer-logo {
  font-size: 1.4rem;
}

/* =============================================
   20. PAGE TRANSITIONS
   ============================================= */
main,
section {
  animation: fade-in 0.4s ease;
}

/* Phosphor icon vertical-align fix */
.ph {
  vertical-align: middle;
  line-height: 1;
}

/* =============================================
   21. SCROLLBAR HIDE on Mobile
   ============================================= */
@media (max-width: 768px) {
  body {
    scrollbar-width: none;
  }

  body::-webkit-scrollbar {
    display: none;
  }
}

/* =============================================
   22. HERO — Reduced motion support
   ============================================= */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}