/* ═══════════════════════════════════════════════════════════════════════════
   VICTORIA BANAVATH - ELITE DATA ANALYST PORTFOLIO
   Design System: Fintech Futurism × Swiss Minimalism
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   CSS CUSTOM PROPERTIES (Design Tokens)
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  /* Primary Colors - Dark Mode Base */
  --color-obsidian: #0A0A0F;
  --color-midnight: #0D1321;
  --color-charcoal: #1A1D29;

  /* Accent Colors - Data Intelligence */
  --color-electric-blue: #00D4FF;
  --color-signal-green: #00FF88;
  --color-plasma-purple: #8B5CF6;

  /* Neutral Tones */
  --color-white: #FFFFFF;
  --color-silver: #E2E8F0;
  --color-graphite: #64748B;
  --color-dark-graphite: #374151;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg,
      rgba(0, 212, 255, 0.08) 0%,
      rgba(139, 92, 246, 0.05) 50%,
      rgba(0, 255, 136, 0.03) 100%);
  --gradient-glow: radial-gradient(ellipse at center,
      rgba(0, 212, 255, 0.15) 0%,
      transparent 70%);
  --gradient-pipeline: linear-gradient(90deg,
      #00D4FF 0%, #8B5CF6 50%, #00FF88 100%);
  --gradient-card: linear-gradient(135deg,
      rgba(26, 29, 41, 0.9) 0%,
      rgba(13, 19, 33, 0.8) 100%);

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

  /* Type Scale */
  --text-hero: clamp(3rem, 8vw, 6rem);
  --text-headline: clamp(2rem, 4vw, 3rem);
  --text-section: 2rem;
  --text-large: 1.25rem;
  --text-body: 1rem;
  --text-caption: 0.875rem;
  --text-metric: clamp(3rem, 6vw, 4.5rem);

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

  /* Effects */
  --blur-glass: blur(16px);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --border-subtle: 1px solid rgba(100, 116, 139, 0.2);
  --border-glow: 1px solid rgba(0, 212, 255, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESET & BASE STYLES
   ───────────────────────────────────────────────────────────────────────────── */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-silver);
  background-color: var(--color-obsidian);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {

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

  html {
    scroll-behavior: auto;
  }
}

/* Selection styling */
::selection {
  background-color: rgba(0, 212, 255, 0.3);
  color: var(--color-white);
}

/* ─────────────────────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-white);
}

.hero-name {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-pipeline);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.headline {
  font-size: var(--text-headline);
  font-weight: 600;
  color: var(--color-silver);
}

.section-title {
  font-size: var(--text-section);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: var(--text-metric);
  font-weight: 700;
  color: var(--color-signal-green);
  line-height: 1;
}

.mono {
  font-family: var(--font-mono);
}

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

.text-electric {
  color: var(--color-electric-blue);
}

.text-green {
  color: var(--color-signal-green);
}

.text-muted {
  color: var(--color-graphite);
}

/* ─────────────────────────────────────────────────────────────────────────────
   LAYOUT UTILITIES
   ───────────────────────────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.gap-xl {
  gap: var(--space-xl);
}

.text-center {
  text-align: center;
}

/* ─────────────────────────────────────────────────────────────────────────────
   HERO SECTION
   ───────────────────────────────────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: var(--space-lg);
}

.hero-subtitle {
  font-size: var(--text-large);
  color: var(--color-graphite);
  margin-top: var(--space-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-tagline {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  color: var(--color-silver);
  margin-top: var(--space-xl);
  font-weight: 500;
}

.hero-tagline .highlight {
  color: var(--color-electric-blue);
  font-weight: 600;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-graphite);
  animation: float 2s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   EXPERIENCE CARDS (Glass Morphism)
   ───────────────────────────────────────────────────────────────────────────── */

.experience-card {
  background: var(--gradient-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: var(--border-subtle);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.experience-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.card-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-charcoal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-electric-blue);
  flex-shrink: 0;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.card-meta {
  font-size: var(--text-caption);
  color: var(--color-graphite);
}

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

.card-content ul {
  list-style: none;
  margin-top: var(--space-sm);
}

.card-content li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
  color: var(--color-silver);
}

.card-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-electric-blue);
}

/* Tech Stack Pills (revealed on hover) */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.experience-card:hover .tech-stack {
  max-height: 200px;
  opacity: 1;
  margin-top: var(--space-lg);
}

.tech-pill {
  padding: 0.375rem 0.75rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-electric-blue);
  white-space: nowrap;
}

/* ─────────────────────────────────────────────────────────────────────────────
   METRIC COUNTERS
   ───────────────────────────────────────────────────────────────────────────── */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.metric-card {
  text-align: center;
  padding: var(--space-xl);
  border-radius: 16px;
  background: rgba(26, 29, 41, 0.5);
  border: var(--border-subtle);
  transition: all var(--transition-base);
}

.metric-card.in-view .metric-number {
  animation: glow-pulse 1s ease-out;
}

@keyframes glow-pulse {

  0%,
  100% {
    text-shadow: none;
  }

  50% {
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.6);
  }
}

.metric-label {
  font-size: var(--text-caption);
  color: var(--color-graphite);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-sm);
}

/* ─────────────────────────────────────────────────────────────────────────────
   SKILLS CONSTELLATION
   ───────────────────────────────────────────────────────────────────────────── */

.skills-section {
  background: var(--color-midnight);
  position: relative;
  overflow: hidden;
}

#skills-graph {
  width: 100%;
  height: 600px;
  border-radius: 16px;
  background: rgba(10, 10, 15, 0.5);
  border: var(--border-subtle);
}

.skill-node {
  cursor: grab;
}

.skill-node:active {
  cursor: grabbing;
}

.skill-node circle {
  transition: all var(--transition-fast);
}

.skill-node:hover circle {
  filter: drop-shadow(0 0 10px var(--color-electric-blue));
}

.skill-node text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--color-silver);
  pointer-events: none;
}

.skill-link {
  stroke: rgba(0, 212, 255, 0.15);
  stroke-width: 1;
  transition: all var(--transition-fast);
}

/* ─────────────────────────────────────────────────────────────────────────────
   THREE PILLARS
   ───────────────────────────────────────────────────────────────────────────── */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.pillar-card {
  background: var(--gradient-card);
  backdrop-filter: var(--blur-glass);
  border: var(--border-subtle);
  border-radius: 16px;
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pillar-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-pipeline);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.pillar-card:hover::after {
  transform: scaleX(1);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-white);
}

.pillar-subtitle {
  font-size: var(--text-caption);
  color: var(--color-electric-blue);
  font-family: var(--font-mono);
  margin-bottom: var(--space-md);
}

.pillar-description {
  color: var(--color-silver);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MAGNETIC BUTTONS
   ───────────────────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  position: relative;
}

.btn-primary {
  background: var(--color-electric-blue);
  color: var(--color-obsidian);
}

.btn-primary:hover {
  background: #33DDFF;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-graphite);
  color: var(--color-silver);
}

.btn-outline:hover {
  border-color: var(--color-electric-blue);
  color: var(--color-electric-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-magnetic {
  transition: transform var(--transition-fast);
}

/* ─────────────────────────────────────────────────────────────────────────────
   CONTACT SECTION
   ───────────────────────────────────────────────────────────────────────────── */

.contact-section {
  background: var(--color-midnight);
  text-align: center;
  padding: var(--space-4xl) 0;
}

.contact-title {
  font-size: var(--text-headline);
  margin-bottom: var(--space-md);
}

.contact-subtitle {
  color: var(--color-graphite);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ─────────────────────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────────────────────── */

.footer {
  padding: var(--space-lg) 0;
  border-top: var(--border-subtle);
  text-align: center;
  color: var(--color-graphite);
  font-size: var(--text-caption);
}

/* ─────────────────────────────────────────────────────────────────────────────
   ANIMATIONS
   ───────────────────────────────────────────────────────────────────────────── */

/* Fade in up animation */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s var(--transition-spring);
}

.fade-in-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children>* {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-children.in-view>*:nth-child(1) {
  animation: stagger-in 0.5s 0.1s forwards;
}

.stagger-children.in-view>*:nth-child(2) {
  animation: stagger-in 0.5s 0.2s forwards;
}

.stagger-children.in-view>*:nth-child(3) {
  animation: stagger-in 0.5s 0.3s forwards;
}

.stagger-children.in-view>*:nth-child(4) {
  animation: stagger-in 0.5s 0.4s forwards;
}

.stagger-children.in-view>*:nth-child(5) {
  animation: stagger-in 0.5s 0.5s forwards;
}

@keyframes stagger-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Decoding text cursor */
.decoding-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-electric-blue);
  margin-left: 4px;
  animation: blink 0.8s infinite;
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

/* ─────────────────────────────────────────────────────────────────────────────
   FEATURED PROJECTS
   ───────────────────────────────────────────────────────────────────────────── */

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--gradient-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.project-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

/* Project Preview Area */
.project-preview {
  height: 180px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-bottom: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-preview-content {
  width: 80%;
  height: 70%;
  position: relative;
}

/* Animated Bar Chart Preview */
.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 100%;
  gap: 8px;
}

.chart-bars .bar {
  width: 20px;
  background: linear-gradient(180deg, var(--color-signal-green) 0%, var(--color-electric-blue) 100%);
  border-radius: 4px 4px 0 0;
  transition: height var(--transition-slow);
  opacity: 0.7;
}

.project-card:hover .chart-bars .bar {
  animation: bar-grow 0.8s ease-out forwards;
}

.project-card:hover .chart-bars .bar:nth-child(1) {
  animation-delay: 0.1s;
}

.project-card:hover .chart-bars .bar:nth-child(2) {
  animation-delay: 0.15s;
}

.project-card:hover .chart-bars .bar:nth-child(3) {
  animation-delay: 0.2s;
}

.project-card:hover .chart-bars .bar:nth-child(4) {
  animation-delay: 0.25s;
}

.project-card:hover .chart-bars .bar:nth-child(5) {
  animation-delay: 0.3s;
}

.project-card:hover .chart-bars .bar:nth-child(6) {
  animation-delay: 0.35s;
}

@keyframes bar-grow {
  0% {
    opacity: 0.4;
    transform: scaleY(0.5);
  }

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

/* ML Visualization Preview */
.ml-visual {
  width: 100%;
  height: 100%;
  position: relative;
}

.ml-visual .data-point {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transition: all var(--transition-base);
}

.ml-visual .data-point.high {
  background: var(--color-signal-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.ml-visual .data-point.medium {
  background: var(--color-plasma-purple);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.ml-visual .data-point.low {
  background: var(--color-electric-blue);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.ml-visual .decision-line {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-plasma-purple), transparent);
  transform: rotate(-15deg);
}

.project-card:hover .ml-visual .data-point {
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {

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

  50% {
    transform: scale(1.2);
  }
}

/* Pipeline Visualization Preview */
.pipeline-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.pipeline-node {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.pipeline-node.source {
  background: rgba(0, 212, 255, 0.2);
  border: 1px solid var(--color-electric-blue);
}

.pipeline-node.transform {
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid var(--color-plasma-purple);
}

.pipeline-node.load {
  background: rgba(0, 255, 136, 0.2);
  border: 1px solid var(--color-signal-green);
}

.pipeline-arrow {
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-electric-blue), var(--color-plasma-purple));
  position: relative;
}

.pipeline-arrow::after {
  content: '';
  position: absolute;
  right: -4px;
  top: -3px;
  border: solid var(--color-plasma-purple);
  border-width: 0 2px 2px 0;
  padding: 3px;
  transform: rotate(-45deg);
}

.project-card:hover .pipeline-node {
  transform: scale(1.1);
}

.project-card:hover .pipeline-arrow {
  animation: flow 1s ease-in-out infinite;
}

@keyframes flow {
  0% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0.5;
  }
}

/* Project Content */
.project-content {
  padding: var(--space-lg);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.project-tag {
  padding: 0.25rem 0.625rem;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-plasma-purple);
  white-space: nowrap;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.project-description {
  color: var(--color-silver);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.project-metrics {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) 0;
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
}

.project-metric {
  font-size: 0.85rem;
  color: var(--color-graphite);
}

.project-metric strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 2px;
}

.project-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn-sm svg {
  margin-right: 4px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESPONSIVE DESIGN
   ───────────────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
  }

  .hero-content {
    padding: var(--space-md);
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  #skills-graph {
    height: 400px;
  }

  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .tech-stack {
    gap: 0.375rem;
  }

  .tech-pill {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
}