/* =========================================================
   MAHESH KUMAR — DEVOPS ARCHITECT PORTFOLIO
   style.css — Full production stylesheet
   ========================================================= */

/* ----- CSS Custom Properties ----- */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);

  --accent-teal: #00d4aa;
  --accent-teal-dim: rgba(0, 212, 170, 0.15);
  --accent-teal-glow: rgba(0, 212, 170, 0.3);
  --accent-blue: #58a6ff;
  --accent-blue-dim: rgba(88, 166, 255, 0.15);

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(0, 212, 170, 0.4);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.25);
  --shadow-blue-glow: 0 0 20px rgba(88, 166, 255, 0.2);

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.6s ease;

  --nav-height: 68px;
  --section-padding: 100px 0;
  --container-max: 1180px;
  --container-pad: 0 24px;
}

/* ----- Light Theme Override ----- */
[data-theme="light"] {
  --bg-primary: #f6f8fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eaeef2;
  --bg-card: rgba(0, 0, 0, 0.03);
  --bg-card-hover: rgba(0, 0, 0, 0.06);

  --accent-teal: #00a87a;
  --accent-teal-dim: rgba(0, 168, 122, 0.12);
  --accent-teal-glow: rgba(0, 168, 122, 0.25);
  --accent-blue: #0969da;
  --accent-blue-dim: rgba(9, 105, 218, 0.12);

  --text-primary: #1c2128;
  --text-secondary: #57606a;
  --text-muted: #8c959f;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-card: rgba(0, 0, 0, 0.1);
  --border-accent: rgba(0, 168, 122, 0.4);

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(0, 168, 122, 0.2);
}

/* Light theme — hero grid dots */
[data-theme="light"] .hero-bg-grid {
  background-image:
    radial-gradient(circle at 25% 35%, rgba(0, 168, 122, 0.07) 0%, transparent 55%),
    radial-gradient(circle at 75% 65%, rgba(9, 105, 218, 0.05) 0%, transparent 55%),
    radial-gradient(rgba(0,0,0,0.08) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px;
}

/* Light theme — navbar scrolled */
[data-theme="light"] .navbar.scrolled {
  background: rgba(246, 248, 250, 0.92);
  box-shadow: 0 1px 0 var(--border-subtle), 0 4px 24px rgba(0,0,0,0.08);
}

/* Light theme — stat card */
[data-theme="light"] .stat-card {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.08);
}

/* Light theme — hero name gradient stays readable */
[data-theme="light"] .hero-name {
  background: linear-gradient(135deg, #1c2128 0%, #2d3748 50%, var(--accent-teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

/* Light theme — scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: #d0d7de;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.35s ease, color 0.35s ease;
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}

/* ----- Scrollbar ----- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal-glow);
}

/* ----- Selection ----- */
::selection {
  background: var(--accent-teal-glow);
  color: var(--text-primary);
}

/* =========================================================
   LAYOUT UTILITIES
   ========================================================= */

.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-teal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

/* =========================================================
   ANIMATIONS
   ========================================================= */

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px);   }
  50%       { transform: translateY(-8px);  }
}

@keyframes float-alt {
  0%, 100% { transform: translateY(0px);  }
  50%       { transform: translateY(6px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gradientShift {
  0%   { background-position: 0%   50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0%   50%; }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); opacity: 1; }
  80%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 170, 0.5); }
  50%       { box-shadow: 0 0 0 8px rgba(0, 212, 170, 0);  }
}

/* ----- Scroll Reveal ----- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger delay for child reveals */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.12s; }
.reveal:nth-child(3) { transition-delay: 0.19s; }
.reveal:nth-child(4) { transition-delay: 0.26s; }
.reveal:nth-child(5) { transition-delay: 0.33s; }

/* =========================================================
   NAVIGATION
   ========================================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition-base),
              box-shadow var(--transition-base),
              height var(--transition-base);
}

.navbar.scrolled {
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-subtle), 0 4px 24px rgba(0,0,0,0.5);
  height: 60px;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}

.nav-logo span {
  color: var(--accent-teal);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  transition: color var(--transition-fast);
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-teal);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--bg-card);
}

.bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast), background var(--transition-fast);
}

.hamburger.open .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--accent-teal);
}
.hamburger.open .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--accent-teal);
}

/* Nav actions wrapper (theme toggle + hamburger) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Theme Toggle Button */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  font-size: 0.95rem;
  cursor: pointer;
  transition: color var(--transition-fast),
              background var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-teal);
  background: var(--accent-teal-dim);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: rotate(18deg) scale(1.08);
}

.theme-toggle:active {
  transform: scale(0.93);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--nav-height) 0 60px;
}

/* Animated dot-grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 35%, rgba(0, 212, 170, 0.06) 0%, transparent 55%),
    radial-gradient(circle at 75% 65%, rgba(88, 166, 255, 0.05) 0%, transparent 55%),
    radial-gradient(var(--bg-tertiary) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px;
  z-index: 0;
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-content {
  max-width: 760px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-teal);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-name {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #e6edf3 0%, #c9d1d9 50%, var(--accent-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 20px;
  min-height: 2.2em;
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-role-prefix {
  color: var(--accent-teal);
  user-select: none;
}

.typing-text {
  color: var(--text-primary);
  font-weight: 500;
}

.typing-cursor {
  color: var(--accent-teal);
  animation: blink 1.1s step-end infinite;
  font-weight: 300;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 400;
}

/* CTA Buttons */
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
  cursor: pointer;
}

.btn:active {
  transform: scale(0.97) !important;
}

.btn-primary {
  background: var(--accent-teal);
  color: #0d1117;
  box-shadow: 0 0 0 0 transparent;
}

.btn-primary:hover {
  background: #00e8bb;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-card);
}

.btn-outline:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  box-shadow: 0 0 0 1px var(--accent-teal-dim);
  transform: translateY(-2px);
}

/* Hero Badges */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 999px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.badge:hover {
  color: var(--accent-teal);
  border-color: var(--border-accent);
}

.badge i {
  font-size: 0.75rem;
  color: var(--accent-teal);
}

.float-1 { animation: float 4.0s ease-in-out infinite; animation-delay: 0.0s; }
.float-2 { animation: float 4.5s ease-in-out infinite; animation-delay: 0.5s; }
.float-3 { animation: float 3.8s ease-in-out infinite; animation-delay: 1.0s; }
.float-4 { animation: float-alt 4.2s ease-in-out infinite; animation-delay: 0.3s; }
.float-5 { animation: float 5.0s ease-in-out infinite; animation-delay: 0.8s; }

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-line {
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-teal), transparent);
  transform-origin: top;
  animation: scrollLine 2s ease-in-out infinite;
}

/* =========================================================
   CAREER HIGHLIGHTS
   ========================================================= */

.highlights {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base),
              background var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-teal), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

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

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--accent-teal);
  line-height: 1;
  display: inline;
}

.stat-suffix {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--accent-teal);
  display: inline;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-top: 8px;
  margin-bottom: 6px;
}

.stat-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* =========================================================
   CLIENTS SECTION
   ========================================================= */

.clients-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

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

/* Push the 4th and 5th cards to center in the last row */
.clients-grid .client-profile-card:nth-child(4) {
  grid-column: 1 / 2;
  margin-left: auto;
  width: 100%;
}
.clients-grid .client-profile-card:nth-child(5) {
  grid-column: 2 / 3;
  width: 100%;
}

.client-profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
}

.client-profile-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  background: var(--bg-card-hover);
}

.client-profile-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.client-profile-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

/* Per-client icon accent colours */
.apple-icon    { background: rgba(0, 212, 170, 0.12); color: var(--accent-teal); border: 1px solid rgba(0,212,170,0.25); }
.pinelabs-icon { background: rgba(88, 166, 255, 0.12); color: var(--accent-blue); border: 1px solid rgba(88,166,255,0.25); }
.platform-icon { background: rgba(255, 184, 0, 0.12);  color: #ffb800;           border: 1px solid rgba(255,184,0,0.25); }
.publicis-icon { background: rgba(255, 90, 90, 0.12);  color: #ff5a5a;           border: 1px solid rgba(255,90,90,0.25); }
.minda-icon    { background: rgba(148, 103, 255, 0.12); color: #9467ff;          border: 1px solid rgba(148,103,255,0.25); }

.client-profile-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.client-profile-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.client-profile-domain {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.client-profile-highlight {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-left: 2px solid var(--border-accent);
  padding-left: 12px;
  flex: 1;
}

.client-profile-stats {
  display: flex;
  gap: 24px;
}

.cps {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cps-val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-teal);
  line-height: 1;
}

.cps-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.client-profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 4px;
  border-top: 1px solid var(--border-subtle);
}

/* Responsive — clients grid */
@media (max-width: 1024px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid .client-profile-card:nth-child(4),
  .clients-grid .client-profile-card:nth-child(5) {
    grid-column: auto;
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .clients-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   TECHNICAL SKILLS
   ========================================================= */

.skills-section {
  padding: var(--section-padding);
}

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

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

.skill-category:hover {
  border-color: rgba(0, 212, 170, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transform: translateY(-3px);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.category-icon {
  font-size: 0.9rem;
  color: var(--accent-teal);
  width: 20px;
  text-align: center;
}

.category-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.18);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.pill:hover {
  background: var(--accent-teal-dim);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  box-shadow: 0 0 10px rgba(0, 212, 170, 0.2);
}

.pill.small {
  font-size: 0.68rem;
  padding: 3px 10px;
}

/* =========================================================
   WORK EXPERIENCE / TIMELINE
   ========================================================= */

.experience-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 56px;
  bottom: 0;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--accent-teal), var(--bg-secondary));
  opacity: 0.3;
}

.timeline-role {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
  padding-left: 56px;
}

.timeline-dot {
  position: absolute;
  left: 8px;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-teal);
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-teal-glow);
  animation: pulse-dot 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

.timeline-role-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex: 1;
  flex-wrap: wrap;
}

.role-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.role-company {
  font-size: 0.875rem;
  color: var(--accent-teal);
  font-weight: 500;
  font-family: var(--font-mono);
}

.role-period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 4px 12px;
  background: var(--bg-tertiary);
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

/* Client Cards */
.client-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-left: 40px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.client-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.client-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
  gap: 16px;
}

.client-card-header:hover {
  background: rgba(255, 255, 255, 0.02);
}

.client-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.client-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-teal-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.client-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.client-context {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.toggle-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-base);
}

.toggle-btn:hover {
  background: var(--accent-teal-dim);
  color: var(--accent-teal);
}

.toggle-btn.collapsed {
  transform: rotate(180deg);
}

.client-card-body {
  padding: 0 24px 24px;
  transition: max-height 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.35s ease,
              padding 0.35s ease;
  max-height: 800px;
  overflow: hidden;
}

.client-card-body.collapsed {
  max-height: 0;
  opacity: 0;
  padding-bottom: 0;
  padding-top: 0;
}

.achievement-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.achievement-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  padding-left: 18px;
  position: relative;
}

.achievement-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-size: 0.8rem;
  top: 1px;
}

.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tag:hover {
  color: var(--accent-teal);
  border-color: var(--border-accent);
}

/* =========================================================
   NOTABLE PROJECTS
   ========================================================= */

.projects-section {
  padding: var(--section-padding);
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px var(--accent-teal);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.project-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), var(--shadow-glow);
  transform: translateY(-6px);
}

.project-card:hover::after {
  opacity: 0.35;
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-teal-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-teal);
}

.project-client {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
}

.project-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
}

/* =========================================================
   LEADERSHIP & MENTORING
   ========================================================= */

.leadership-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.leadership-grid {
  max-width: 800px;
  margin: 0 auto;
}

.leadership-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.leadership-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.65;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base),
              color var(--transition-fast);
}

.leadership-item:hover {
  border-color: rgba(0, 212, 170, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transform: translateX(4px);
  color: var(--text-primary);
}

.check-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-teal-dim);
  border: 1px solid rgba(0, 212, 170, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--accent-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

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

.contact-section {
  padding: var(--section-padding);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* Last two cards — center them */
.contact-grid > *:nth-child(4),
.contact-grid > *:nth-child(5) {
  grid-column: auto;
}

.contact-grid .contact-card:nth-child(4) {
  grid-column-start: 1;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base),
              background var(--transition-base);
  cursor: pointer;
}

.contact-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}

.contact-card.no-link {
  cursor: default;
}

.contact-card.no-link:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-teal-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent-teal);
  flex-shrink: 0;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-card:hover .contact-icon {
  background: var(--accent-teal);
  color: var(--bg-primary);
  box-shadow: 0 0 16px rgba(0, 212, 170, 0.4);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.contact-value {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.contact-card:hover .contact-value {
  color: var(--text-primary);
}

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

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 32px 0;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-teal);
  transform: translateY(-2px);
}

/* =========================================================
   RESPONSIVE — TABLET (max 1024px)
   ========================================================= */

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

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

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

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

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

  .contact-grid .contact-card:nth-child(4) {
    grid-column-start: auto;
  }

  .contact-grid .contact-card:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }
}

/* =========================================================
   RESPONSIVE — MOBILE (max 768px)
   ========================================================= */

@media (max-width: 768px) {
  :root {
    --section-padding: 64px 0;
    --nav-height: 60px;
  }

  /* Nav */
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0 24px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link::after {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-name {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

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

  /* Highlights */
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }

  /* Timeline */
  .timeline::before {
    display: none;
  }

  .timeline-role {
    padding-left: 0;
  }

  .timeline-dot {
    display: none;
  }

  .client-cards {
    padding-left: 0;
  }

  .timeline-role-header {
    flex-direction: column;
    gap: 10px;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-grid .contact-card:nth-child(5) {
    max-width: 100%;
    grid-column: auto;
  }

  /* Footer */
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

/* =========================================================
   RESPONSIVE — SMALL MOBILE (max 480px)
   ========================================================= */

@media (max-width: 480px) {
  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .hero-badges {
    gap: 8px;
  }

  .badge {
    font-size: 0.72rem;
    padding: 5px 12px;
  }
}

/* =========================================================
   ACCESSIBILITY & PRINT
   ========================================================= */

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

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

/* High contrast mode */
@media (forced-colors: active) {
  .pill, .badge, .tag {
    border: 1px solid ButtonText;
  }
}