/* ==========================================================================
   ATHARVA THOMBARE — CREATIVE EDITORIAL PORTFOLIO (CRIMSON NOIR EDITION)
   Target Domain: stridellc.co.in
   Mobile First & Responsive Touch Optimization
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;1,400&family=Space+Grotesk:wght@400;500;600;700&family=Syne:wght@700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Theme Colors (Obsidian Noir & Warm Light) */
  --bg-light: #F9F9F8;
  --bg-dark: #0D0E10;
  --panel-dark: #15171B;
  --panel-card: #1C1F25;
  --text-dark: #111215;
  --text-light: #F3F4F6;
  --muted-dark: #8E939D;
  --muted-light: #6C7079;

  /* Accent Color: Vibrant Crimson Red / Electric Ruby */
  --crimson-red: #FF1E42;
  --crimson-hover: #E60026;
  --crimson-glow: rgba(255, 30, 66, 0.35);
  --crimson-dim: rgba(255, 30, 66, 0.12);
  
  --border-light: rgba(17, 18, 21, 0.12);
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-crimson: rgba(255, 30, 66, 0.4);

  /* Fonts */
  --font-display: 'Syne', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-light);
  color: var(--text-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
  width: 100%;
}

body {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Text Selection */
::selection {
  background-color: var(--crimson-red);
  color: #FFFFFF;
}

/* Subtle Grain Texture Overlay */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Background Topography Canvas */
#topography-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  transition: opacity 0.5s ease;
}

/* Custom Cursor (Desktop Only) */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: var(--crimson-red);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.2s, height 0.2s;
}

/* Hide Custom Cursor on Mobile/Touch Devices */
@media (hover: none) and (pointer: coarse) {
  .custom-cursor {
    display: none !important;
  }
}

/* ==========================================================================
   HEADER & NAVIGATION BAR (Mobile Optimized)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 5vw;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(249, 249, 248, 0.88);
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.5s, border-color 0.5s;
}

body.dark-active .navbar {
  background: rgba(13, 14, 16, 0.92);
  border-color: var(--border-dark);
}

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

.nav-brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--text-dark);
  color: var(--crimson-red);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  border-radius: 6px;
  letter-spacing: -0.05em;
  transition: transform 0.3s cubic-bezier(0.2, 1, 0.4, 1), background-color 0.3s;
}

body.dark-active .nav-brand-logo {
  background: var(--crimson-red);
  color: #FFFFFF;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 1;
}

body.dark-active .nav-brand-title {
  color: var(--text-light);
}

.nav-brand-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-top: 2px;
}

body.dark-active .nav-brand-sub {
  color: var(--muted-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-light);
  text-decoration: none;
  position: relative;
  padding: 8px 0;
  transition: color 0.3s;
}

body.dark-active .nav-links a {
  color: var(--muted-dark);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--crimson-red);
  transition: width 0.3s cubic-bezier(0.2, 1, 0.4, 1);
}

.nav-links a:hover {
  color: var(--text-dark);
}

body.dark-active .nav-links a:hover {
  color: var(--text-light);
}

.nav-links a:hover::after {
  width: 100%;
}

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

.btn-crimson {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 18px;
  background-color: var(--crimson-red);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 4px 16px var(--crimson-glow);
  transition: transform 0.25s, box-shadow 0.25s, background-color 0.25s;
}

.btn-crimson:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--crimson-glow);
  background-color: var(--crimson-hover);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.3s;
}

body.dark-active .menu-toggle {
  border-color: var(--border-dark);
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--text-dark);
  transition: transform 0.3s, background-color 0.3s;
}

body.dark-active .menu-toggle span {
  background-color: var(--text-light);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(13, 14, 16, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8vw;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  overflow-y: auto;
}

.mobile-nav.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: clamp(28px, 6.5vw, 48px);
  font-weight: 800;
  color: var(--text-light);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s;
  display: inline-block;
  padding: 8px 0;
}

.mobile-nav-links a:hover {
  color: var(--crimson-red);
}

/* ==========================================================================
   HERO SECTION (Responsive Mobile Stack)
   ========================================================================== */
.hero-container {
  position: relative;
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
  padding-bottom: 60px;
  padding-left: 5vw;
  padding-right: 5vw;
  overflow: hidden;
}

.hero-header-box {
  text-align: center;
  max-width: 1000px;
  margin-bottom: 32px;
  z-index: 2;
  width: 100%;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(10px, 2.5vw, 12px);
  font-weight: 700;
  color: var(--crimson-red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-tagline .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--crimson-red);
  box-shadow: 0 0 10px var(--crimson-red);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

.hero-header-box h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 8.5vw, 92px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--text-dark);
}

.hero-header-box h1 span {
  color: var(--muted-light);
  font-family: var(--font-heading);
  font-weight: 500;
}

.hero-sub-bio {
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: clamp(14px, 1.8vw, 18px);
  color: var(--muted-light);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  font-weight: 400;
}

/* Center Stage Grid (Stacks on Mobile) */
.hero-stage {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: center;
  margin-top: 20px;
}

.real-portrait-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.25;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-light);
  background: var(--text-dark);
}

.real-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  filter: contrast(1.05) grayscale(0.15);
  transition: transform 0.5s ease;
}

.portrait-badge-overlay {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  padding: 10px 14px;
  background: rgba(13, 14, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-crimson);
  border-radius: 8px;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portrait-badge-title {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
}

.portrait-badge-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--crimson-red);
  letter-spacing: 0.1em;
}

/* Modern Telemetry Widget */
.telemetry-widget {
  background: var(--panel-dark);
  border: 1px solid var(--border-dark);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  width: 100%;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #090A0C;
  border-bottom: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted-dark);
}

.telemetry-dots {
  display: flex;
  gap: 6px;
}

.telemetry-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2C3038;
}

.telemetry-dots span:nth-child(1) { background: #FF5F56; }
.telemetry-dots span:nth-child(2) { background: #FFBD2E; }
.telemetry-dots span:nth-child(3) { background: #27C93F; }

.telemetry-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-weight: 500;
}

.telemetry-body {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  color: #E2E8F0;
  min-height: 220px;
  overflow-x: auto;
}

.code-line {
  opacity: 0;
  animation: revealLine 0.4s forwards;
  white-space: pre-wrap;
  word-break: break-word;
}

.code-muted { color: var(--muted-dark); }
.code-crimson { color: var(--crimson-red); font-weight: 700; }
.code-keyword { color: #C778DD; }
.code-string { color: #98C379; }

@keyframes revealLine {
  to { opacity: 1; }
}

/* ==========================================================================
   INFINITE MARQUEE TICKER
   ========================================================================== */
.marquee-container {
  width: 100%;
  overflow: hidden;
  background: var(--text-dark);
  color: var(--crimson-red);
  padding: 14px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  white-space: nowrap;
  margin-top: 40px;
}

.marquee-content {
  display: flex;
  gap: 32px;
  animation: marqueeScroll 22s linear infinite;
  font-family: var(--font-display);
  font-size: clamp(16px, 3.5vw, 30px);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  will-change: transform;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.marquee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--crimson-red);
}

@keyframes marqueeScroll {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* ==========================================================================
   DARK SECTION STICKY WRAPPER
   ========================================================================== */
.dark-section-wrapper {
  background-color: var(--bg-dark);
  color: var(--text-light);
  position: relative;
  z-index: 10;
  padding-top: 40px;
  padding-bottom: 100px;
  transition: background-color 0.6s ease;
}

/* ==========================================================================
   SECTIONS GENERAL LAYOUT
   ========================================================================== */
section {
  position: relative;
  padding: 80px 5vw;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-num-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--crimson-red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-light);
  line-height: 1.05;
}

.section-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted-dark);
  max-width: 380px;
  text-align: right;
  line-height: 1.5;
}

/* ==========================================================================
   01 / BIOGRAPHY
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 50px;
  align-items: start;
}

.about-bio p {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
  color: #D1D5DB;
  font-weight: 300;
}

.about-bio p + p {
  margin-top: 20px;
}

.highlight-text {
  color: var(--crimson-red);
  font-weight: 600;
}

.freelance-banner {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--crimson-dim);
  border: 1px solid var(--border-crimson);
  border-radius: 8px;
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 12px;
}

.fact-card-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-dark);
}

.fact-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.fact-row span:first-child {
  color: var(--muted-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fact-row span:last-child {
  color: var(--text-light);
  font-weight: 600;
}

/* ==========================================================================
   02 / IEEE RESEARCH & PUBLICATIONS
   ========================================================================== */
.pub-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pub-featured-card {
  position: relative;
  background: var(--panel-dark);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}

.pub-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ieee-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: #006699;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
}

.pub-year-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--crimson-red);
  font-weight: 700;
}

.pub-featured-card h3 {
  font-family: var(--font-heading);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.35;
}

.pub-featured-card h3 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

.pub-featured-card h3 a:hover {
  color: var(--crimson-red);
}

.pub-abstract {
  font-size: 14px;
  color: var(--muted-dark);
  line-height: 1.65;
}

.model-metrics-matrix {
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--border-dark);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.metric-box {
  background: var(--panel-card);
  padding: 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-name {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-dark);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.metric-bar-track {
  height: 5px;
  background: #252A34;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.metric-bar-fill {
  height: 100%;
  background: var(--crimson-red);
  border-radius: 3px;
  width: 0%;
  transition: width 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.metric-score {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
}

.pub-action-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.btn-ieee-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  background: var(--crimson-red);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.25s, background-color 0.25s;
}

.btn-ieee-link svg {
  width: 13px;
  height: 13px;
}

.pub-secondary-list {
  display: flex;
  flex-direction: column;
}

.pub-item-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border-top: 1px solid var(--border-dark);
}

.pub-item-row:last-child {
  border-bottom: 1px solid var(--border-dark);
}

.pub-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--crimson-red);
  font-weight: 700;
}

.pub-item-title {
  font-family: var(--font-heading);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.4;
}

.pub-item-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted-dark);
  margin-top: 4px;
}

/* ==========================================================================
   03 / SKILLS MATRIX
   ========================================================================== */
.skills-master-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--panel-dark);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.3s, transform 0.3s;
}

.skill-card-icon {
  width: 38px;
  height: 38px;
  background: var(--crimson-dim);
  color: var(--crimson-red);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.skill-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
}

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

.skill-pill {
  padding: 7px 12px;
  background: var(--panel-card);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-light);
}

/* ==========================================================================
   04 / PROJECTS & EXPERIENCE
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--panel-dark);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
}

.project-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
  margin-top: 8px;
}

.project-card p {
  font-size: 13.5px;
  color: var(--muted-dark);
  line-height: 1.65;
  margin-top: 8px;
}

.tech-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  color: var(--text-light);
  border-radius: 16px;
}

.experience-timeline {
  display: flex;
  flex-direction: column;
}

.exp-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-top: 1px solid var(--border-dark);
}

.exp-item:last-child {
  border-bottom: 1px solid var(--border-dark);
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--crimson-red);
  font-weight: 500;
}

.exp-role {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
}

.exp-org {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted-dark);
  margin-top: 4px;
  margin-bottom: 12px;
}

.exp-desc {
  font-size: 14.5px;
  color: #C2C6BD;
  line-height: 1.7;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
  background-color: #08090B;
  color: var(--text-light);
  padding: 80px 5vw 40px;
  border-top: 1px solid var(--border-dark);
  position: relative;
  z-index: 10;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-top h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 76px);
  font-weight: 800;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--text-light);
  max-width: 14ch;
}

.footer-top h2 span {
  color: var(--crimson-red);
}

.footer-cta-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.btn-email-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 14px 28px;
  background: var(--crimson-red);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 8px 30px var(--crimson-glow);
  transition: transform 0.3s, background-color 0.3s;
}

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

.footer-social-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-dark);
  text-decoration: none;
  transition: color 0.3s;
  padding: 4px 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted-dark);
  flex-wrap: wrap;
  gap: 14px;
}

.domain-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--crimson-dim);
  border: 1px solid var(--border-crimson);
  color: var(--crimson-red);
  border-radius: 4px;
}

/* ==========================================================================
   BREAKPOINTS: TABLETS & SMARTPHONES (iPhone & Android)
   ========================================================================== */
@media (max-width: 992px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .hero-stage { grid-template-columns: 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .exp-item { grid-template-columns: 1fr; gap: 10px; }
  .section-note { text-align: left; max-width: 100%; }
}

@media (max-width: 600px) {
  .navbar { padding: 12px 4vw; }
  .nav-brand-logo { width: 34px; height: 34px; font-size: 14px; }
  .nav-brand-title { font-size: 14px; }
  .nav-brand-sub { font-size: 8.5px; }
  .btn-crimson { padding: 6px 12px; font-size: 10.5px; min-height: 36px; }
  .hero-container { padding-top: 85px; padding-bottom: 40px; }
  .real-portrait-card { max-width: 100%; aspect-ratio: 1 / 1.2; }
  .telemetry-body { padding: 12px; font-size: 10px; min-height: 190px; }
  .pub-featured-card { padding: 20px; }
  .pub-item-row { grid-template-columns: 28px 1fr; gap: 12px; }
  .skill-card { padding: 20px; }
  .project-card { padding: 20px; min-height: auto; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-top h2 { max-width: 100%; }
  .btn-email-cta { width: 100%; text-align: center; }
}