/* ==========================================================================
   MOHAMMED AFNAN K A — CINEMATIC DEVOPS ENGINEER PORTFOLIO
   Core Design System, Editorial Typography & Motion Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTE & DESIGN SYSTEM TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Official Palette Specified by User */
  --bg-primary: #0B1020;            /* Midnight Navy */
  --bg-secondary: #111B30;          /* Deep Blue */
  --bg-surface: #15203B;            /* Elevated Card / Panel Surface */
  --bg-surface-hover: #1A284A;      /* Interactive hover state */
  --bg-surface-glass: rgba(17, 27, 48, 0.75);
  
  --accent-teal: #38E0C5;           /* Electric Teal */
  --accent-teal-bright: #5df8df;    /* Highlight Teal */
  --accent-teal-dim: rgba(56, 224, 197, 0.15);
  --accent-teal-border: rgba(56, 224, 197, 0.35);

  --text-primary: #F4F1E8;          /* Warm Ivory */
  --text-secondary: #A5B1C5;        /* Cool Slate */
  --text-muted: #6B7B95;            /* Deep Slate / Muted */
  --text-highlight: #FFFFFF;

  --border-subtle: rgba(165, 177, 197, 0.12); /* Subtle blue-grey low opacity */
  --border-hover: rgba(56, 224, 197, 0.4);

  /* Glow and Shadow Effects */
  --glow-teal-sm: 0 0 15px rgba(56, 224, 197, 0.15);
  --glow-teal-md: 0 0 35px rgba(56, 224, 197, 0.22);
  --glow-teal-lg: 0 0 70px rgba(56, 224, 197, 0.18);
  --shadow-card: 0 10px 30px rgba(5, 8, 16, 0.45);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Layout */
  --container-width: 1200px;
  --header-height: 72px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-normal: 0.3s;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth);
}

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

ul, ol {
  list-style: none;
}

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

/* Container */
.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
  width: 100%;
}

/* Text helpers */
.text-teal {
  color: var(--accent-teal);
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Technical Grid Background Overlay */
.technical-grid-bg {
  position: fixed;
  inset: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(165, 177, 197, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(165, 177, 197, 0.035) 1px, transparent 1px);
  pointer-events: none;
  z-index: 1;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
}

.glow-top {
  top: -20vh;
  left: 25vw;
  width: 50vw;
  height: 50vh;
  background: radial-gradient(circle, var(--accent-teal) 0%, transparent 70%);
}

.glow-bottom {
  bottom: -20vh;
  right: 15vw;
  width: 45vw;
  height: 45vh;
  background: radial-gradient(circle, #1E3A8A 0%, transparent 75%);
}

/* --------------------------------------------------------------------------
   3. SITE HEADER & NAVIGATION BAR
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  transition: background-color 0.4s var(--ease-smooth),
              backdrop-filter 0.4s var(--ease-smooth),
              border-color 0.4s var(--ease-smooth);
  background-color: transparent;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: rgba(11, 16, 32, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Wordmark Brand */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.brand-code {
  color: var(--accent-teal);
  font-family: var(--font-mono);
  font-weight: 700;
}

.brand-name {
  letter-spacing: 0.15em;
  font-weight: 800;
}

.brand-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
  display: inline-block;
  animation: pulseDot 2.4s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.06em;
  margin-left: 0.25rem;
}

/* Desktop Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.85rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  padding: 0.4rem 0.1rem;
  position: relative;
  transition: color var(--duration-normal) var(--ease-smooth);
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-teal);
  transition: width var(--duration-normal) var(--ease-cinematic);
}

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

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-terminal-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.45rem 0.85rem;
  background-color: rgba(21, 32, 59, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-terminal-toggle:hover {
  color: var(--accent-teal);
  border-color: var(--accent-teal-border);
  background-color: rgba(21, 32, 59, 0.95);
  box-shadow: var(--glow-teal-sm);
}

.terminal-icon-symbol {
  color: var(--accent-teal);
  font-weight: 700;
}

.terminal-kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.btn-connect-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  color: var(--accent-teal);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-connect-nav:hover {
  background-color: var(--accent-teal);
  color: var(--bg-primary);
  box-shadow: var(--glow-teal-sm);
  transform: translateY(-1px);
}

.btn-connect-nav .icon-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.btn-connect-nav:hover .icon-arrow {
  transform: translate(2px, -2px);
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: rgba(21, 32, 59, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  gap: 5px;
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--duration-normal) var(--ease-smooth),
              opacity var(--duration-normal) var(--ease-smooth);
}

.mobile-toggle.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   4. CINEMATIC HERO ANIMATION (SCROLL-LINKED HERO ENGINE)
   -------------------------------------------------------------------------- */
.hero-scroll-track {
  height: 260vh;
  position: relative;
  z-index: 10;
}

.hero-sticky-stage {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 -40px 80px rgba(11, 16, 32, 0.9);
}

/* Top HUD Telemetry */
.hero-hud-top {
  position: absolute;
  top: calc(var(--header-height) + 1.25rem);
  left: 0;
  right: 0;
  padding: 0 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  z-index: 20;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.4s ease;
}

.hud-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.hud-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
}

.hud-sep {
  color: var(--accent-teal);
  opacity: 0.6;
}

.hud-coords {
  color: var(--text-secondary);
}

/* Cyber ambient fine lines */
.hero-cyber-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.cyber-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(56, 224, 197, 0.12), transparent);
  height: 1px;
  width: 100%;
}

.cyber-line-1 { top: 22%; opacity: 0.5; }
.cyber-line-2 { top: 58%; opacity: 0.3; }
.cyber-line-3 { top: 82%; opacity: 0.4; }

/* Giant Background Editorial Typography (Behind / Around Character with 3D Parallax) */
.hero-giant-typography {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 2;
  user-select: none;
  overflow: hidden;
  gap: 2vh;
}

.giant-line {
  font-family: var(--font-display);
  font-size: clamp(3.8rem, 11vw, 9.8rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform 0.08s linear, opacity 0.08s linear;
  will-change: transform;
}

.giant-line-1 {
  background: linear-gradient(180deg, rgba(244, 241, 232, 0.25) 0%, rgba(244, 241, 232, 0.05) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: translateY(-8vh);
}

.giant-line-2 {
  background: linear-gradient(180deg, rgba(56, 224, 197, 0.28) 0%, rgba(56, 224, 197, 0.04) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: translateY(8vh);
}

/* Central Character Stage: Single Bust-Sized Hoodie Portrait */
.hero-character-stage {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Atmospheric teal rim glow behind character */
.char-aura-glow {
  position: absolute;
  width: 580px;
  height: 580px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 224, 197, 0.28) 0%, rgba(11, 16, 32, 0) 70%);
  filter: blur(45px);
  z-index: 3;
  pointer-events: none;
  opacity: 0.5;
  transition: transform 0.08s linear, opacity 0.08s linear;
  will-change: transform, opacity;
}

/* Character Frame (Bust Size - Head, Shoulders, Chest in Dark Hoodie) */
.char-portrait-frame {
  position: relative;
  width: min(480px, 86vw);
  height: min(600px, 68vh);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  overflow: hidden;
  z-index: 4;
  /* Smooth bottom and lateral vignette mask into midnight navy background */
  mask-image: linear-gradient(to bottom, black 0%, black 72%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 72%, transparent 100%);
  transition: transform 0.08s linear;
  will-change: transform;
}

.char-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 16%;
  filter: brightness(1.02) contrast(1.06);
  border-radius: 20px;
  transition: transform 0.08s linear;
  will-change: transform;
}

/* Smooth gradient overlay */
.char-bottom-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    transparent 0%, 
    transparent 60%, 
    rgba(11, 16, 32, 0.85) 100%);
  pointer-events: none;
}

/* Technical corner reticles */
.portrait-reticle-corners {
  position: absolute;
  inset: 10px;
  pointer-events: none;
  z-index: 5;
  opacity: 0.65;
}

.r-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent-teal);
  border-style: solid;
}

.r-tl { top: 0; left: 0; border-width: 2px 0 0 2px; }
.r-tr { top: 0; right: 0; border-width: 2px 2px 0 0; }
.r-bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; }
.r-br { bottom: 0; right: 0; border-width: 0 2px 2px 0; }

/* Foreground Editorial Content, Badges & Calls to Action */
.hero-foreground-content {
  position: absolute;
  bottom: 2.75rem;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  pointer-events: none;
  transition: transform 0.08s linear, opacity 0.08s linear;
  will-change: transform, opacity;
}

.hero-foreground-content a,
.hero-foreground-content button {
  pointer-events: auto;
}

/* Identity Tag */
.hero-identity-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--accent-teal);
  background-color: rgba(11, 16, 32, 0.85);
  border: 1px solid var(--accent-teal-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-xs);
  margin-bottom: 0.85rem;
  backdrop-filter: blur(8px);
}

.tag-terminal-prompt {
  font-weight: 700;
  color: var(--accent-teal);
}

.tag-name {
  font-weight: 700;
  color: var(--text-primary);
}

.tag-divider {
  color: rgba(56, 224, 197, 0.4);
}

.tag-cert {
  font-weight: 700;
  color: var(--accent-teal);
}

/* Sub-headline Statement */
.hero-statement {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 500;
  color: var(--text-primary);
  max-width: 650px;
  line-height: 1.5;
  margin-bottom: 0.85rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-role-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-teal);
  background-color: rgba(21, 32, 59, 0.88);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.role-icon {
  display: flex;
  align-items: center;
  color: var(--accent-teal);
  width: 15px;
  height: 15px;
}

.role-icon svg {
  width: 100%;
  height: 100%;
}

/* Hero Actions Cluster */
.hero-actions-cluster {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

/* General Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-smooth);
  cursor: pointer;
}

.btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.btn-primary {
  background-color: var(--accent-teal);
  color: var(--bg-primary);
  border: 1px solid var(--accent-teal);
  box-shadow: var(--glow-teal-sm);
}

.btn-primary:hover {
  background-color: var(--accent-teal-bright);
  box-shadow: var(--glow-teal-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: rgba(21, 32, 59, 0.85);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--accent-teal-border);
  color: var(--accent-teal);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: rgba(11, 16, 32, 0.7);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--accent-teal-border);
  background-color: rgba(56, 224, 197, 0.08);
  transform: translateY(-2px);
}

/* Social links row */
.hero-socials-cluster {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.35rem;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color var(--duration-normal) var(--ease-smooth);
}

.social-icon-btn svg {
  width: 15px;
  height: 15px;
}

.social-icon-btn:hover {
  color: var(--accent-teal);
}

/* Scroll Cue Indicator */
.hero-scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  right: 3rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  z-index: 15;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cue-mouse {
  width: 16px;
  height: 26px;
  border: 2px solid rgba(165, 177, 197, 0.3);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.cue-wheel {
  width: 3px;
  height: 6px;
  background-color: var(--accent-teal);
  border-radius: var(--radius-full);
  animation: mouseWheel 1.6s infinite ease-in-out;
}

@keyframes mouseWheel {
  0% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(8px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* --------------------------------------------------------------------------
   5. GENERAL SECTION STYLING & SECTION BADGES
   -------------------------------------------------------------------------- */
.section {
  padding-top: 7rem;
  padding-bottom: 7rem;
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border-subtle);
}

.section-badge-wrapper {
  margin-bottom: 1.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-teal);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
  line-height: 1.7;
}

.section-header-block {
  margin-bottom: 3.5rem;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

/* --------------------------------------------------------------------------
   6. ABOUT ME SECTION (EDITORIAL PROFILE & TELEMETRY)
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: start;
}

.about-quote-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  margin-bottom: 2.25rem;
  box-shadow: var(--shadow-card);
}

.quote-mark {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: var(--font-display);
  font-size: 4.5rem;
  color: rgba(56, 224, 197, 0.08);
  line-height: 1;
  pointer-events: none;
}

.about-blockquote {
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.8;
  font-weight: 400;
}

.about-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.spec-card {
  background-color: rgba(21, 32, 59, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.spec-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.spec-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* Telemetry Column */
.about-telemetry-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.telemetry-terminal-card {
  background-color: #080D1A;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.terminal-bar {
  background-color: rgba(17, 27, 48, 0.95);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background-color: #EF4444; }
.dot.yellow { background-color: #F59E0B; }
.dot.green { background-color: #10B981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.terminal-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

.terminal-content {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #D1D5DB;
}

.terminal-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.terminal-row:first-child {
  margin-top: 0;
}

.t-prompt {
  color: var(--accent-teal);
  font-weight: 700;
}

.t-cmd {
  color: #F9FAFB;
  font-weight: 600;
}

.t-output {
  color: var(--text-secondary);
  margin-left: 1.2rem;
  margin-top: 0.35rem;
}

.t-tree {
  font-size: 0.78rem;
  color: #94A3B8;
}

.t-green {
  color: #34D399;
  font-weight: 700;
}

.t-active {
  color: #34D399;
}

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

.t-cursor {
  color: var(--accent-teal);
  animation: blinkCursor 1s infinite;
}

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

/* Target roles card */
.target-roles-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.target-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.icon-target {
  width: 18px;
  height: 18px;
  color: var(--accent-teal);
}

.roles-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-chip {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  background-color: rgba(11, 16, 32, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.role-chip:hover {
  border-color: var(--accent-teal-border);
  color: var(--accent-teal);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   7. TECHNICAL SKILLS SECTION (GROUPED & FILTERABLE)
   -------------------------------------------------------------------------- */
.skill-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background-color: rgba(21, 32, 59, 0.45);
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.filter-tab {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-xs);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.filter-tab:hover {
  color: var(--text-primary);
}

.filter-tab.active {
  background-color: var(--accent-teal);
  color: var(--bg-primary);
  box-shadow: var(--glow-teal-sm);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.skill-group-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-normal) var(--ease-smooth);
  display: flex;
  flex-direction: column;
}

.skill-group-card:hover {
  border-color: var(--accent-teal-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), var(--glow-teal-sm);
}

.group-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.group-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.group-icon svg {
  width: 20px;
  height: 20px;
}

.group-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.group-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.skills-pill-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: background-color var(--duration-normal) var(--ease-smooth);
}

.skill-pill:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.pill-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--accent-teal);
  opacity: 0.7;
}

.skill-pill.highlighted {
  color: var(--text-primary);
  font-weight: 600;
}

.skill-pill.highlighted .pill-dot {
  background-color: var(--accent-teal);
  box-shadow: 0 0 6px var(--accent-teal);
  opacity: 1;
}

/* Learning card styling */
.learning-card {
  border-color: rgba(56, 224, 197, 0.3);
  background: linear-gradient(180deg, rgba(21, 32, 59, 0.8) 0%, rgba(17, 27, 48, 0.9) 100%);
}

.learning-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-teal);
  letter-spacing: 0.08em;
  margin-bottom: 0.15rem;
}

.learning-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-learn {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   8. FEATURED PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-stack {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.project-card:hover {
  border-color: var(--accent-teal-border);
  box-shadow: var(--shadow-card), var(--glow-teal-sm);
}

.project-card.highlight-project {
  border-color: rgba(56, 224, 197, 0.28);
}

.project-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
}

.project-media-side {
  padding: 2.25rem;
  background-color: rgba(11, 16, 32, 0.5);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-window-frame {
  width: 100%;
  background-color: #080D1A;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.window-topbar {
  background-color: rgba(17, 27, 48, 0.95);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.window-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

.project-image-wrapper {
  position: relative;
  width: 100%;
  max-height: 260px;
  overflow: hidden;
  background-color: #050811;
}

.project-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-cinematic);
}

.project-card:hover .project-preview-img {
  transform: scale(1.03);
}

.image-gradient-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(8, 13, 26, 0.8) 100%);
  pointer-events: none;
}

.project-code-snippet {
  background-color: #080D1A;
  border-top: 1px solid var(--border-subtle);
  padding: 0.85rem 1.15rem;
}

.snippet-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.snippet-body {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #D1D5DB;
  line-height: 1.5;
  overflow-x: auto;
}

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

/* ML Pipeline Visual */
.ml-pipeline-display {
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.pipeline-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
}

.pipe-box {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  background-color: rgba(21, 32, 59, 0.8);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 0.95rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.pipe-icon { color: var(--accent-teal); }

.pipe-highlight {
  border-color: var(--accent-teal-border);
  background-color: var(--accent-teal-dim);
  color: var(--accent-teal);
  font-weight: 600;
}

.pipe-connector {
  color: var(--accent-teal);
  font-weight: 700;
}

.pipe-connector-vertical {
  color: var(--accent-teal);
  font-weight: 700;
}

/* Lab matrix */
.lab-terminal-matrix {
  padding: 1.5rem;
}

.lab-matrix-header {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-teal);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.matrix-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.m-status {
  color: var(--accent-teal);
  font-weight: 700;
}

/* Project Details Side */
.project-details-side {
  padding: 2.75rem;
}

.project-badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.badge-tech-primary {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
}

.badge-env {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.35rem;
}

.project-headline-sub {
  font-size: 0.95rem;
  color: var(--accent-teal);
  font-weight: 500;
  margin-bottom: 1rem;
}

.project-narrative {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-highlights-box {
  background-color: rgba(11, 16, 32, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.65rem;
}

.highlights-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
}

.highlights-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.highlights-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: flex;
  gap: 0.5rem;
}

.h-bullet {
  color: var(--accent-teal);
  flex-shrink: 0;
}

.highlights-list strong {
  color: var(--text-primary);
}

.project-tags-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: rgba(21, 32, 59, 0.65);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
}

.project-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn-project-download {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-teal);
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-smooth);
  text-decoration: none;
}

.btn-project-download svg {
  width: 16px;
  height: 16px;
  color: var(--accent-teal);
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-smooth);
}

.btn-project-download:hover {
  background-color: var(--accent-teal);
  color: #060913;
  border-color: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: var(--glow-teal-sm);
}

.btn-project-download:hover svg {
  color: #060913;
  transform: translateY(1px);
}

.btn-project-gh {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-subtle);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-project-gh svg {
  width: 16px;
  height: 16px;
}

.btn-project-gh .icon-ext {
  width: 13px;
  height: 13px;
  color: var(--text-muted);
}

.btn-project-gh:hover {
  border-color: var(--accent-teal-border);
  color: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: var(--glow-teal-sm);
}

/* --------------------------------------------------------------------------
   9. CERTIFICATIONS SECTION (RHCSA PRIMARY HIGHLIGHT)
   -------------------------------------------------------------------------- */
.rhcsa-banner-card {
  position: relative;
  background: linear-gradient(135deg, rgba(21, 32, 59, 0.95) 0%, rgba(14, 23, 44, 0.95) 100%);
  border: 1px solid var(--accent-teal-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card), var(--glow-teal-sm);
  overflow: hidden;
}

.rhcsa-badge-halo {
  position: absolute;
  top: -50px;
  left: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(56, 224, 197, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.rhcsa-card-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.rhcsa-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.rhcsa-seal-box {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(56, 224, 197, 0.2) 0%, rgba(11, 16, 32, 0.4) 100%);
  border: 1px solid var(--accent-teal-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex-shrink: 0;
  box-shadow: var(--glow-teal-sm);
}

.rhcsa-seal-svg {
  width: 32px;
  height: 32px;
  color: var(--accent-teal);
}

.seal-text {
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.08em;
  color: var(--accent-teal);
  font-weight: 700;
  text-align: center;
}

.cert-authority {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent-teal);
  margin-bottom: 0.35rem;
}

.rhcsa-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.rhcsa-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.meta-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-teal);
  font-weight: 600;
}

.check-icon {
  font-size: 0.85rem;
}

.rhcsa-right {
  border-left: 1px solid var(--border-subtle);
  padding-left: 2rem;
}

.rhcsa-relevance {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.rhcsa-relevance strong {
  color: var(--text-primary);
}

/* Supporting Certs Grid */
.supporting-certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.sub-cert-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.sub-cert-card:hover {
  border-color: var(--accent-teal-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.sub-cert-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(21, 32, 59, 0.8);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.sub-cert-icon svg {
  width: 20px;
  height: 20px;
}

.sub-cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.sub-cert-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.sub-cert-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-teal);
}

/* --------------------------------------------------------------------------
   10. EDUCATION & INTERNSHIP SECTION
   -------------------------------------------------------------------------- */
.edu-grid-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}

/* Timeline */
.timeline-container {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 2rem;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 25px;
  left: 6px;
  width: 2px;
  background-color: var(--border-subtle);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  transform: translateX(0);
}

.timeline-item.current .timeline-marker {
  border-color: var(--accent-teal);
  background-color: var(--accent-teal);
  box-shadow: 0 0 10px var(--accent-teal);
}

.timeline-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.timeline-box:hover {
  border-color: var(--accent-teal-border);
  transform: translateY(-2px);
}

.timeline-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.timeline-dates {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-teal);
  font-weight: 600;
}

.timeline-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-primary);
  background-color: rgba(11, 16, 32, 0.7);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
}

.timeline-degree {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-school {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.timeline-notes {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Experience Column */
.experience-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.internship-showcase {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  box-shadow: var(--shadow-card);
}

.internship-header {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.exp-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-teal);
  letter-spacing: 0.1em;
}

.exp-org {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

.exp-field {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.exp-bullets-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.exp-bullets-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  gap: 0.6rem;
}

.bullet-teal {
  color: var(--accent-teal);
  flex-shrink: 0;
}

/* Learning Journey Progress */
.journey-card {
  background-color: rgba(21, 32, 59, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.85rem;
}

.journey-heading {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.journey-copy {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.journey-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.journey-step {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  background-color: rgba(11, 16, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  transition: all var(--duration-normal) var(--ease-smooth);
}

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

.step-highlight {
  border-color: var(--accent-teal-border);
  background-color: rgba(56, 224, 197, 0.05);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-teal);
  line-height: 1;
}

.step-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.journey-arrow {
  text-align: center;
  color: var(--accent-teal);
  font-weight: 700;
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   11. CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-header-block {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-subheadline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-cards-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-channel-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.65rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.channel-link:hover {
  border-color: var(--accent-teal-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(11, 16, 32, 0.7);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  flex-shrink: 0;
}

.channel-icon svg {
  width: 20px;
  height: 20px;
}

.channel-details {
  flex-grow: 1;
}

.channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.channel-val {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.channel-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  border-radius: var(--radius-xs);
}

.btn-teal {
  background-color: var(--accent-teal-dim);
  border: 1px solid var(--accent-teal-border);
  color: var(--accent-teal);
}

.btn-teal:hover {
  background-color: var(--accent-teal);
  color: var(--bg-primary);
}

.btn-ghost {
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--accent-teal-border);
}

.copy-svg {
  width: 14px;
  height: 14px;
}

.channel-arrow svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.channel-link:hover .channel-arrow svg {
  color: var(--accent-teal);
  transform: translate(3px, -3px);
}

/* Contact Form */
.form-wrapper-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.form-header {
  margin-bottom: 2rem;
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.direct-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.req {
  color: var(--accent-teal);
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: rgba(11, 16, 32, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(56, 224, 197, 0.15);
}

.field-error {
  font-size: 0.75rem;
  color: #EF4444;
  display: none;
}

.field-error.visible {
  display: block;
}

.form-info-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.55;
  background-color: rgba(11, 16, 32, 0.5);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-xs);
  display: flex;
  gap: 0.5rem;
}

.note-icon {
  color: var(--accent-teal);
  font-weight: 700;
}

.link-teal {
  color: var(--accent-teal);
  text-decoration: underline;
}

.btn-submit-form {
  width: 100%;
  margin-top: 0.5rem;
}

.form-status {
  font-size: 0.85rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-xs);
  display: none;
}

.form-status.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34D399;
}

.form-status.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #F87171;
}

/* --------------------------------------------------------------------------
   12. SITE FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #060A14;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0;
  position: relative;
  z-index: 10;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.footer-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-teal);
  margin-bottom: 0.35rem;
}

.footer-tech-stack {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.back-to-top-btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.back-to-top-btn:hover {
  border-color: var(--accent-teal-border);
  color: var(--accent-teal);
  transform: translateY(-2px);
}

.back-to-top-btn:hover svg {
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

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

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

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

/* --------------------------------------------------------------------------
   13. INTERACTIVE DEVOPS TERMINAL DRAWER (RECRUITER WOW FACTOR)
   -------------------------------------------------------------------------- */
.terminal-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(5, 8, 16, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-smooth);
}

.terminal-drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.terminal-drawer {
  width: 100%;
  max-width: 820px;
  height: 540px;
  background-color: #060913;
  border: 1px solid var(--accent-teal-border);
  border-radius: var(--radius-md);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--glow-teal-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(15px);
  transition: transform 0.3s var(--ease-cinematic);
}

.terminal-drawer-overlay.is-open .terminal-drawer {
  transform: scale(1) translateY(0);
}

.drawer-header {
  background-color: rgba(17, 27, 48, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#term-close-dot {
  cursor: pointer;
}

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

.drawer-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.kbd-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.drawer-close-btn {
  font-size: 1.4rem;
  color: var(--text-muted);
  line-height: 1;
  transition: color 0.2s ease;
}

.drawer-close-btn:hover {
  color: #EF4444;
}

.drawer-body {
  flex-grow: 1;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #D1D5DB;
  line-height: 1.6;
  overflow-y: auto;
}

.term-welcome {
  margin-bottom: 1.25rem;
}

.term-banner {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  line-height: 1.15;
  color: var(--accent-teal);
  margin-bottom: 0.85rem;
}

.term-hint-line {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.cmd-highlight {
  color: var(--accent-teal);
  font-weight: 700;
}

.term-input-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.term-ps1 {
  color: var(--accent-teal);
  font-weight: 700;
  white-space: nowrap;
}

.ps1-user { color: #34D399; }
.ps1-host { color: var(--accent-teal); }
.ps1-path { color: #60A5FA; }

.term-cmd-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #F9FAFB;
}

.term-output-block {
  margin: 0.65rem 0 1rem 0;
  color: #A5B1C5;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
}

.term-project-title {
  color: #F9FAFB;
  font-weight: 700;
}

.term-code {
  color: var(--accent-teal);
  background-color: rgba(56, 224, 197, 0.12);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  font-family: var(--font-mono);
}

.term-bullet {
  color: var(--accent-teal);
}

.term-success {
  color: #34D399;
  font-weight: 600;
}

.term-subtext {
  color: var(--text-secondary);
}

.term-divider {
  color: #374151;
  user-select: none;
}

.term-err {
  color: #F87171;
}

/* --------------------------------------------------------------------------
   14. TOAST NOTIFICATION STYLING
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast-msg {
  background-color: var(--bg-surface);
  border: 1px solid var(--accent-teal-border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), var(--glow-teal-sm);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  pointer-events: auto;
  animation: slideToast 0.35s var(--ease-cinematic) forwards;
}

@keyframes slideToast {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   15. ACCESSIBILITY & PREFERS-REDUCED-MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-scroll-track {
    height: auto !important;
  }

  .hero-sticky-stage {
    position: relative !important;
    height: auto !important;
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
  }

  .char-portrait-frame {
    transform: none !important;
  }

  .char-portrait-img {
    transform: none !important;
  }

  .giant-line {
    transform: none !important;
  }

  .hero-foreground-content {
    position: relative !important;
    bottom: auto !important;
    margin-top: 2rem;
  }

  .hero-scroll-cue {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   16. RESPONSIVE DESIGN & MOBILE OPTIMIZATIONS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-scroll-track {
    height: 220vh;
  }

  .giant-line {
    font-size: clamp(3rem, 10vw, 7rem);
  }

  .about-grid,
  .edu-grid-layout,
  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .project-content-grid {
    grid-template-columns: 1fr;
  }

  .rhcsa-card-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .rhcsa-right {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
    padding-left: 0;
    padding-top: 1.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(11, 16, 32, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-cinematic);
    z-index: 99;
  }

  .nav-menu.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .nav-link {
    font-size: 1.35rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .btn-terminal-toggle .terminal-text-label,
  .btn-terminal-toggle .terminal-kbd {
    display: none;
  }

  .hero-hud-top {
    padding: 0 1.25rem;
    font-size: 0.65rem;
  }

  .hud-loc {
    display: none;
  }

  .hero-scroll-cue {
    display: none;
  }

  .char-portrait-frame {
    width: 290px;
    height: 380px;
  }

  .char-aura-glow {
    width: 340px;
    height: 340px;
  }

  .giant-line {
    font-size: clamp(2.4rem, 12vw, 4.2rem);
  }

  .hero-foreground-content {
    bottom: 1.5rem;
    padding: 0 1rem;
  }

  .hero-statement {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }

  .hero-role-pill {
    font-size: 0.75rem;
    margin-bottom: 1rem;
  }

  .hero-actions-cluster {
    gap: 0.65rem;
    margin-bottom: 1rem;
  }

  .btn {
    padding: 0.65rem 1.15rem;
    font-size: 0.85rem;
  }

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

  .section {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .project-details-side {
    padding: 1.75rem;
  }

  .project-media-side {
    padding: 1.5rem;
  }

  .rhcsa-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .form-wrapper-box {
    padding: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}