/* ==========================================================================
   YASH SRIVASTAVA - PORTFOLIO STYLESHEET
   Aesthetic: Neo-Brutalist / Editorial Technical Grid (romancaseres.cloud style)
   High-precision typography, seamless marquee, and fluid interactions
   ========================================================================== */

/* --- CSS Variables & Design Tokens (Multi-Theme Matrix) --- */
:root, html[data-theme="light"] {
  --bg-parchment: #f4efe6;
  --bg-card: #ece6da;
  --bg-card-hover: #e5ded0;
  --bg-subcard: rgba(255, 255, 255, 0.65);
  --bg-subcard-hover: #ffffff;
  --bg-nav: rgba(244, 239, 230, 0.92);
  --bg-pill: rgba(244, 239, 230, 0.7);
  --bg-pill-hover: #eae3d4;
  --bg-tooltip: rgba(255, 255, 255, 0.96);
  --bg-tag: rgba(238, 232, 221, 0.75);
  --bg-terminal: #121316;
  
  --text-primary: #0f1012;
  --text-muted: #5e5b54;
  --text-faded: #9c978d;
  --text-terminal: #eceeed;
  
  --border-light: rgba(15, 16, 18, 0.12);
  --border-medium: rgba(15, 16, 18, 0.22);
  --border-strong: #0f1012;
  --cursor-follower-border: rgba(15, 16, 18, 0.35);
  
  --accent-green: #10b981;
  --accent-green-text: #065f46;
  --accent-green-bg: rgba(16, 185, 129, 0.09);
  --accent-green-border: rgba(16, 185, 129, 0.35);
  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;
  
  /* 1. Ultra-Bold Grotesque Sans-Serif */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  
  /* 2. Monospace / Utility Font */
  --font-body: 'Space Mono', 'JetBrains Mono', monospace;
  --font-mono: 'Space Mono', 'JetBrains Mono', monospace;
  --font-serif: 'Playfair Display', serif;
  
  --grid-line-color: rgba(15, 16, 18, 0.045);
  --grid-size: 38px;

  --scrollbar-thumb: #cfc8ba;
  --testimonials-bg: rgba(236, 230, 218, 0.4);
  
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme Option 1: NOIR (Matte Obsidian / Luxury Studio Dark) */
html[data-theme="dark-noir"] {
  --bg-parchment: #0e1013;
  --bg-card: #15181f;
  --bg-card-hover: #1c212a;
  --bg-subcard: rgba(255, 255, 255, 0.04);
  --bg-subcard-hover: rgba(255, 255, 255, 0.08);
  --bg-nav: rgba(14, 16, 19, 0.92);
  --bg-pill: rgba(21, 24, 31, 0.85);
  --bg-pill-hover: #1f242e;
  --bg-tooltip: rgba(21, 24, 31, 0.96);
  --bg-tag: rgba(255, 255, 255, 0.06);
  --bg-terminal: #090a0d;
  
  --text-primary: #f3f4f6;
  --text-muted: #9ba3af;
  --text-faded: #64748b;
  --text-terminal: #38bdf8;
  
  --border-light: rgba(255, 255, 255, 0.09);
  --border-medium: rgba(255, 255, 255, 0.18);
  --border-strong: #f3f4f6;
  --cursor-follower-border: rgba(243, 244, 246, 0.35);
  
  --accent-green: #34d399;
  --accent-green-text: #34d399;
  --accent-green-bg: rgba(52, 211, 153, 0.12);
  --accent-green-border: rgba(52, 211, 153, 0.35);
  --accent-amber: #fbbf24;
  --accent-blue: #60a5fa;
  
  --grid-line-color: rgba(255, 255, 255, 0.035);
  --scrollbar-thumb: #2d3340;
  --testimonials-bg: rgba(21, 24, 31, 0.5);
}

/* Dark Theme Option 2: MIDNIGHT (Pitch OLED Black / Cyber High-Contrast) */
html[data-theme="dark-midnight"] {
  --bg-parchment: #030305;
  --bg-card: #090a0e;
  --bg-card-hover: #12131b;
  --bg-subcard: rgba(255, 255, 255, 0.03);
  --bg-subcard-hover: rgba(255, 255, 255, 0.07);
  --bg-nav: rgba(3, 3, 5, 0.94);
  --bg-pill: rgba(12, 13, 18, 0.9);
  --bg-pill-hover: #171824;
  --bg-tooltip: rgba(10, 11, 16, 0.98);
  --bg-tag: rgba(255, 255, 255, 0.05);
  --bg-terminal: #000000;
  
  --text-primary: #ffffff;
  --text-muted: #94a3b8;
  --text-faded: #475569;
  --text-terminal: #38bdf8;
  
  --border-light: rgba(255, 255, 255, 0.12);
  --border-medium: rgba(255, 255, 255, 0.25);
  --border-strong: #ffffff;
  --cursor-follower-border: rgba(255, 255, 255, 0.45);
  
  --accent-green: #10b981;
  --accent-green-text: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.14);
  --accent-green-border: rgba(16, 185, 129, 0.4);
  --accent-amber: #f59e0b;
  --accent-blue: #38bdf8;
  
  --grid-line-color: rgba(255, 255, 255, 0.055);
  --scrollbar-thumb: #1e2029;
  --testimonials-bg: rgba(9, 10, 14, 0.6);
}

/* Smooth Theme Switching Transitions */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.2s ease !important;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-parchment);
  background-image: 
    linear-gradient(to right, var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-parchment);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
  border: 2px solid var(--bg-parchment);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-primary);
}

::selection {
  background: var(--text-primary);
  color: var(--bg-parchment);
}

/* --- Lenis Inertia & Edge-Only Motion Blur Optimization --- */
html.lenis, html.lenis body {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}
.lenis.lenis-stopped {
  overflow: hidden;
}

/* Edge-Only Velocity Blur Overlays (Leaves Center 100% Sharp) */
.scroll-edge-blur {
  position: fixed;
  left: 0;
  width: 100vw;
  height: 120px;
  pointer-events: none;
  z-index: 850;
  opacity: 0;
  transition: opacity 0.15s ease-out;
  will-change: opacity, backdrop-filter;
}

.edge-blur-top {
  top: 0;
  backdrop-filter: blur(var(--edge-blur-amount, 0px));
  -webkit-backdrop-filter: blur(var(--edge-blur-amount, 0px));
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
}

.edge-blur-bottom {
  bottom: 0;
  backdrop-filter: blur(var(--edge-blur-amount, 0px));
  -webkit-backdrop-filter: blur(var(--edge-blur-amount, 0px));
  mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
}

/* --- Floating Cursor-Following Speech Bubble Tooltip (Caramove Style) --- */
.floating-project-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 999999;
  background: var(--bg-tooltip);
  border: 1px solid var(--border-medium);
  border-radius: 20px;
  padding: 14px 22px 14px 22px;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22), 0 2px 6px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: scale(0.8);
  transform-origin: top left;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.26s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
  max-width: 290px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.floating-project-tooltip.is-active {
  opacity: 1;
  transform: scale(1);
}

.tooltip-badge-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-faded);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tooltip-main-text {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 2px 0 4px 0;
}

.tooltip-arrow-icon {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1;
}

/* --- Custom Trailing Cursor --- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 7px;
  height: 7px;
  background-color: var(--text-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  margin-top: -3.5px;
  margin-left: -3.5px;
  transition: transform 0.05s linear, opacity 0.2s ease, width 0.2s ease, height 0.2s ease;
  will-change: transform;
}

.custom-cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--cursor-follower-border);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  margin-top: -16px;
  margin-left: -16px;
  transition: opacity 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, width 0.25s ease, height 0.25s ease;
  will-change: transform;
}

.cursor-active {
  transform: scale(1.6);
  background-color: var(--text-primary);
}

.follower-active {
  border-color: var(--text-primary);
  background-color: rgba(15, 16, 18, 0.06);
  transform: scale(1.3);
}

@media (pointer: coarse) {
  .custom-cursor, .custom-cursor-follower {
    display: none !important;
  }
}

/* --- Container with Right Clearance for Social Bar --- */
.container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 80px; /* Ample room so right column never overlaps social icons */
}

@media (max-width: 1024px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 600px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* --- Floating Social Sidebar (Right Edge) --- */
.social-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.social-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-nav);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-normal), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.social-icon-btn svg {
  width: 18px;
  height: 18px;
}

.social-icon-btn:hover {
  background: var(--text-primary);
  color: var(--bg-parchment);
  border-color: var(--text-primary);
  transform: translateX(-4px) scale(1.08);
}

@media (max-width: 1024px) {
  .social-sidebar {
    display: none; /* Accessible in contact section on mobile/tablet */
  }
}

/* --- Navigation Bar --- */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 900;
  background: var(--bg-nav);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}

.nav-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.brand-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

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

/* --- Theme Switcher Segmented Control --- */
.theme-switcher-group {
  display: inline-flex;
  align-items: center;
  background: var(--bg-pill);
  border: 1px solid var(--border-medium);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.theme-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
  outline: none;
}

.theme-btn:hover {
  color: var(--text-primary);
}

.theme-btn.active {
  background: var(--text-primary);
  color: var(--bg-parchment);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
}

.theme-icon {
  font-size: 0.76rem;
  line-height: 1;
}

@media (max-width: 680px) {
  .theme-label {
    display: none;
  }
  .theme-btn {
    padding: 5px 8px;
  }
}

.widget-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--bg-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.widget-pill:hover {
  background: var(--bg-pill-hover);
  border-color: var(--border-strong);
}

.star-widget {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.star-widget svg {
  flex-shrink: 0;
  display: block;
}

.star-widget span {
  white-space: nowrap;
  line-height: 1;
}

.user-icon {
  display: flex;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 10px;
  flex-shrink: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-primary);
  transition: width var(--transition-fast);
}

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

@media (max-width: 1260px) {
  .status-widget {
    display: none;
  }
}

@media (max-width: 1120px) {
  .star-widget {
    display: none;
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
}

/* --- Mask Reveal & Smooth Entrance Animation Helpers --- */
.mask-reveal-wrap {
  overflow: hidden;
  display: block;
}

.reveal-text {
  display: block;
  transform: translateY(105%);
  opacity: 0;
  transition: transform 0.85s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.85s ease;
}

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

/* Fallback for immediate visibility on hero */
.hero-main-title.reveal-text, .hero-author-name.reveal-text {
  animation: heroTextReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroTextReveal {
  0% { transform: translateY(105%); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered Group Delays */
.staggered-group > *:nth-child(1) { transition-delay: 0.05s; }
.staggered-group > *:nth-child(2) { transition-delay: 0.12s; }
.staggered-group > *:nth-child(3) { transition-delay: 0.19s; }
.staggered-group > *:nth-child(4) { transition-delay: 0.26s; }

/* --- Section 1: Hero Section --- */
.hero-section {
  padding-top: 50px;
  padding-bottom: 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: start;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Left Hero Column */
.hero-left {
  display: flex;
  flex-direction: column;
}

/* Ultra-Bold Grotesque Heading (Inter Black 900 / Tight Kerning) */
.hero-main-title {
  font-family: var(--font-heading);
  font-size: clamp(3.2rem, 6.8vw, 6.2rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.hero-aspiring-tag {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  margin-bottom: 22px;
}

.aspiring-badge {
  background: var(--text-primary);
  color: var(--bg-parchment);
  padding: 3px 8px;
  border-radius: 2px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.aspiring-sep {
  color: var(--text-faded);
  font-weight: 700;
  font-size: 0.8rem;
}

.aspiring-text {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.tag-pill {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--bg-tag);
  color: var(--text-primary);
}

/* Mountain Photo Frame - Focused & Cropped on Yash */
.photo-frame-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
  margin: 8px 0 24px 0;
  padding: 10px;
}

.bracket {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--text-primary);
  border-style: solid;
  pointer-events: none;
  z-index: 10;
}
.bracket.top-left { top: 0; left: 0; border-width: 2.5px 0 0 2.5px; }
.bracket.top-right { top: 0; right: 0; border-width: 2.5px 2.5px 0 0; }
.bracket.bottom-left { bottom: 0; left: 0; border-width: 0 0 2.5px 2.5px; }
.bracket.bottom-right { bottom: 0; right: 0; border-width: 0 2.5px 2.5px 0; }

.photo-container {
  position: relative;
  width: 100%;
  height: 380px; /* Taller height so full mountain and Yash with open arms are framed */
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
  border: 1px solid var(--border-light);
  background: var(--bg-card);
}

.profile-mountain-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%; /* Perfectly centers Yash with open arms */
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
  will-change: transform;
}

.photo-container:hover .profile-mountain-img {
  transform: scale(1.05);
}

.photo-overlay-tag {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(18, 19, 22, 0.88);
  color: #ffffff;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
}

.geo-pin {
  font-size: 0.85rem;
}

.hero-subline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.arrow-right {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Right Hero Column - Clean Balanced Hierarchy */
.hero-right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 540px;
  padding-left: 10px;
}

@media (max-width: 1024px) {
  .hero-right {
    min-height: auto;
    gap: 32px;
    padding-left: 0;
  }
}

.status-badge-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 18px;
}

.badge-open-work {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--accent-green-border);
  background: var(--accent-green-bg);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-green-text);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.index-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hero-description {
  margin: 30px 0;
}

.lead-statement {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 18px;
  text-transform: uppercase;
}

.sub-statement {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.hero-author-box {
  margin-top: auto;
}

/* Ultra-Bold Grotesque Author Name (Tight Kerning / High Impact) */
.hero-author-name {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 5.8vw, 5.2rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.hero-time-stamp {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-faded);
  margin-top: 14px;
}

/* --- Section 2: News Ticker Marquee (Continuous Scrolling Headline) --- */
.statement-band {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  border-top: 1px solid var(--border-medium);
  border-bottom: 1px solid var(--border-medium);
  background: var(--bg-parchment);
  padding: 30px 0;
  overflow: hidden;
  position: relative;
  display: flex;
}

.marquee-track {
  display: flex;
  gap: 36px;
  align-items: center;
  width: max-content;
  white-space: nowrap;
  animation: marqueeNewsTicker 24s linear infinite;
  will-change: transform;
}

.statement-band:hover .marquee-track {
  animation-play-state: paused;
}

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

.marquee-item {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}

.heavy-text {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4.8vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  line-height: 1;
}

.ampersand {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  color: var(--text-faded);
  font-weight: 400;
}

.marquee-divider {
  font-size: 1.8rem;
  color: var(--text-faded);
  margin: 0 10px;
}

/* --- Shared Section Styling --- */
section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  margin-bottom: 46px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  line-height: 1.05;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
}

/* --- Section 3: About & Education Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 36px;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
}

.about-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  line-height: 1.25;
}

.about-card p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.98rem;
  margin-bottom: 24px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  margin-top: auto;
}

.metric-box {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.timeline-item {
  border-left: 2px solid var(--border-medium);
  padding-left: 20px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-primary);
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-status, .timeline-score {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(15, 16, 18, 0.08);
}

.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.institute-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary) !important;
  margin-bottom: 6px !important;
}

.timeline-detail {
  font-size: 0.85rem !important;
  color: var(--text-muted) !important;
  line-height: 1.5 !important;
  margin-bottom: 0 !important;
}

/* Cognitive Skills */
.cognitive-container {
  margin-top: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 28px 36px;
}

.cognitive-header {
  margin-bottom: 18px;
}

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

@media (max-width: 860px) {
  .cognitive-grid {
    grid-template-columns: 1fr;
  }
}

.cognitive-chip {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: transform var(--transition-fast);
}

.cognitive-chip:hover {
  transform: translateY(-2px);
}

.chip-icon {
  font-size: 1.4rem;
}

.cognitive-chip strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.cognitive-chip p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Skills Section --- */
.skills-wrapper {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.skill-category {
  display: flex;
  flex-direction: column;
}

.category-header {
  margin-bottom: 22px;
}

.cat-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.progress-tag {
  color: #b45309;
}

.category-header h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.skills-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.skills-cards-grid.six-grid {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1040px) {
  .skills-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skills-cards-grid.six-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .skills-cards-grid,
  .skills-cards-grid.six-grid {
    grid-template-columns: 1fr;
  }
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-fast), background var(--transition-fast);
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.highlight-working {
  border-left: 3px solid #b45309;
}

.highlight-ml {
  border-left: 3px solid #7c3aed;
}

.highlight-deploy {
  border-left: 3px solid #059669;
}

.skill-icon-wrapper {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: var(--bg-subcard);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.ml-color svg {
  color: #7c3aed;
}

.deploy-color svg {
  color: #059669;
}

.brand-svg {
  width: 26px;
  height: 26px;
}

.skill-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.skill-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.skill-status.active {
  background: var(--bg-subcard);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.skill-status.ml-badge {
  background: rgba(124, 58, 237, 0.12);
  color: #6d28d9;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.skill-status.ai-deploy-badge {
  background: rgba(5, 150, 105, 0.12);
  color: #047857;
  border: 1px solid rgba(5, 150, 105, 0.3);
}

.skill-status.in-progress {
  background: rgba(245, 158, 11, 0.15);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Dark-Theme Overrides for Skill & Certification Badges */
html[data-theme^="dark"] .skill-status.ml-badge {
  background: rgba(167, 139, 250, 0.15);
  color: #c4b5fd;
  border-color: rgba(167, 139, 250, 0.35);
}

html[data-theme^="dark"] .skill-status.ai-deploy-badge {
  background: rgba(52, 211, 153, 0.15);
  color: #6ee7b7;
  border-color: rgba(52, 211, 153, 0.35);
}

html[data-theme^="dark"] .skill-status.in-progress {
  background: rgba(251, 191, 36, 0.15);
  color: #fde68a;
  border-color: rgba(251, 191, 36, 0.35);
}

html[data-theme^="dark"] .ml-color svg {
  color: #a78bfa;
}

html[data-theme^="dark"] .deploy-color svg {
  color: #34d399;
}

.skill-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Section 4: Projects Section --- */
.flagship-card {
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  padding: 38px;
  margin-bottom: 32px;
  position: relative;
  box-shadow: 0 16px 40px rgba(0,0,0,0.05);
  transition: transform var(--transition-normal);
}

.flagship-card:hover {
  transform: translateY(-3px);
}

.flagship-badge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 18px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.badge-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge-live-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-green-bg);
  border: 1px solid var(--accent-green-border);
  color: var(--accent-green-text);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.badge-live-status:hover {
  transform: translateY(-1px);
  background: rgba(16, 185, 129, 0.22);
}

.live-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseAnimation 2s infinite;
}

.live-arrow {
  font-size: 0.75rem;
}

.badge-featured {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--text-primary);
  color: var(--bg-parchment);
  padding: 4px 14px;
  border-radius: 999px;
}

.flagship-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.flagship-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 980px) {
  .flagship-content-grid {
    grid-template-columns: 1fr;
  }
}

.flagship-title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin-bottom: 12px;
}

.flagship-tagline {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.45;
}

.flagship-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

.flagship-highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.hl-bullet {
  color: var(--text-primary);
  font-weight: bold;
}

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

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--bg-subcard);
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.flagship-cta-row {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.flagship-launch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 4px;
  background: var(--text-primary);
  color: var(--bg-parchment);
  border: 1px solid var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform var(--transition-normal), box-shadow var(--transition-fast), background var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.flagship-launch-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0.96;
}

.flagship-url-mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-link {
  color: #38bdf8;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.terminal-link:hover {
  color: #7dd3fc;
}

.url-badge {
  color: #34d399;
  font-weight: bold;
}

/* Terminal Mockup with Scroll-Scale Animation */
.mockup-screen {
  background: var(--bg-terminal);
  border-radius: 8px;
  border: 1px solid #2a2d33;
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(0,0,0,0.22);
  transition: transform 0.35s ease-out;
  will-change: transform;
}

.mockup-header {
  background: #1c1d22;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid #2d3038;
}

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

.screen-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f56;
}
.screen-dots span:nth-child(2) { background: #ffbd2e; }
.screen-dots span:nth-child(3) { background: #27c93f; }

.screen-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8b92a2;
}

.mockup-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-terminal);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cmd-prompt {
  color: #38bdf8;
  font-weight: bold;
}

.status-ok {
  color: #4ade80;
}

.status-data {
  color: #fbbf24;
}

.code-quote {
  background: #1d2026;
  border-left: 3px solid #38bdf8;
  padding: 10px 14px;
  margin: 10px 0;
  color: #cbd5e1;
  font-style: italic;
  font-size: 0.74rem;
  line-height: 1.5;
}

.audio-wave {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  margin-top: 6px;
}

.audio-wave span {
  width: 4px;
  background: #38bdf8;
  border-radius: 2px;
  animation: waveAnim 1.2s ease-in-out infinite alternate;
}

.audio-wave span:nth-child(1) { height: 10px; animation-delay: 0.1s; }
.audio-wave span:nth-child(2) { height: 22px; animation-delay: 0.3s; }
.audio-wave span:nth-child(3) { height: 16px; animation-delay: 0.2s; }
.audio-wave span:nth-child(4) { height: 26px; animation-delay: 0.5s; }
.audio-wave span:nth-child(5) { height: 14px; animation-delay: 0.15s; }
.audio-wave span:nth-child(6) { height: 24px; animation-delay: 0.4s; }
.audio-wave span:nth-child(7) { height: 18px; animation-delay: 0.25s; }
.audio-wave span:nth-child(8) { height: 20px; animation-delay: 0.35s; }
.audio-wave span:nth-child(9) { height: 12px; animation-delay: 0.1s; }
.audio-wave span:nth-child(10) { height: 16px; animation-delay: 0.45s; }

@keyframes waveAnim {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.3); }
}

/* Secondary Project: AAYAS */
.secondary-project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 32px;
  margin-bottom: 50px;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
}

.secondary-project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.sec-proj-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.sub-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.sec-proj-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sec-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  border: 1px solid var(--border-medium);
  padding: 4px 10px;
  border-radius: 999px;
}

.sec-proj-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 880px;
}

/* Python Showcase Container */
.python-showcase-container {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 38px;
}

.showcase-header {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 22px;
}

.showcase-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 4px;
  margin-bottom: 10px;
}

.showcase-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 720px;
}

.tiers-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 28px;
}

@media (max-width: 1024px) {
  .tiers-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.tier-column {
  display: flex;
  flex-direction: column;
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 10px;
  width: fit-content;
}

.level-basic {
  background: #e2e8f0;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.level-med {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.level-hard {
  background: var(--text-primary);
  color: #ffffff;
}

.tier-summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 40px;
}

.project-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-item {
  background: var(--bg-subcard);
  border: 1px solid var(--border-light);
  padding: 16px 18px;
  border-radius: 4px;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.project-item:hover {
  transform: translateX(4px);
  border-color: var(--border-strong);
  background: var(--bg-subcard-hover);
}

.hard-highlight {
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  padding: 24px 20px;
}

.proj-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.proj-name {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.proj-category {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(15, 16, 18, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

.star-cat {
  background: var(--text-primary);
  color: #ffffff;
}

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

.mini-tags {
  margin-top: 14px;
}

/* --- Certifications Section --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 980px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
}

.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.cert-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.cert-org-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(15, 16, 18, 0.06);
}

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

.outskill-badge { color: #7c3aed; background: rgba(124, 58, 237, 0.09); }
.sems-badge { color: #0284c7; background: rgba(2, 132, 199, 0.09); }
.sih-badge { color: #ea580c; background: rgba(234, 88, 12, 0.09); }
.iilm-badge { color: #059669; background: rgba(5, 150, 105, 0.09); }
.nism-badge { color: #4338ca; background: rgba(67, 56, 202, 0.09); }
.udemy-badge { color: #a21caf; background: rgba(162, 28, 175, 0.09); }

html[data-theme^="dark"] .outskill-badge { color: #a78bfa; background: rgba(167, 139, 250, 0.14); }
html[data-theme^="dark"] .sems-badge { color: #38bdf8; background: rgba(56, 189, 248, 0.14); }
html[data-theme^="dark"] .sih-badge { color: #fb923c; background: rgba(251, 146, 60, 0.14); }
html[data-theme^="dark"] .iilm-badge { color: #34d399; background: rgba(52, 211, 153, 0.14); }
html[data-theme^="dark"] .nism-badge { color: #818cf8; background: rgba(129, 140, 248, 0.14); }
html[data-theme^="dark"] .udemy-badge { color: #e879f9; background: rgba(232, 121, 249, 0.14); }

.cert-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-faded);
}

.cert-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 12px;
}

.cert-issuer {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.cert-footer {
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

.cert-chip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- Section 5: Testimonials / Endorsements Track --- */
.testimonials-section {
  border-top: 1px solid var(--border-medium);
  border-bottom: 1px solid var(--border-medium);
  background: var(--testimonials-bg);
}

.testimonial-horizontal-wrap {
  overflow-x: auto;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.testimonial-cards-track {
  display: flex;
  gap: 24px;
  min-width: 100%;
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
}

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

.quote-mark {
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1;
  color: var(--text-faded);
  margin-bottom: 10px;
}

.test-quote {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
  font-style: italic;
}

.test-author {
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
}

.test-author strong {
  font-size: 0.92rem;
  color: var(--text-primary);
}

.test-author span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- Section 6: Contact Section --- */
.contact-section {
  padding-top: 90px;
  padding-bottom: 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 940px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.contact-huge-title {
  font-family: var(--font-heading);
  font-size: clamp(3.4rem, 7.2vw, 6.2rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.title-faded {
  color: var(--text-faded);
}

.contact-subtext {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}

.contact-badges-row {
  display: flex;
  gap: 12px;
}

.contact-mini-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-medium);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.contact-mini-btn:hover {
  background: var(--text-primary);
  color: var(--bg-parchment);
  transform: translateY(-3px);
}

/* Right Contact Box */
.contact-email-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  padding: 44px;
  position: relative;
  transition: transform var(--transition-normal);
}

.contact-email-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.card-icon-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
  margin-bottom: 30px;
}

.arrow-up-right {
  font-size: 1.8rem;
  font-weight: 300;
}

.drop-line-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.giant-email-link {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.8vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.1;
  text-decoration: none;
  color: var(--text-primary);
  word-break: break-all;
  margin-bottom: 28px;
  transition: color var(--transition-fast);
}

.giant-email-link:hover {
  color: #2563eb;
}

.contact-meta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.copy-address-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-medium);
  background: var(--bg-subcard);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 4px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.copy-address-pill:hover {
  background: var(--text-primary);
  color: var(--bg-parchment);
  border-color: var(--text-primary);
}

.contact-secondary-details {
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

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

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.detail-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--border-medium);
  width: fit-content;
  transition: border-color var(--transition-fast);
}

.detail-link:hover {
  border-bottom-style: solid;
  border-color: var(--text-primary);
}

/* --- Technical Footer --- */
.footer {
  border-top: 1px solid var(--border-medium);
  padding: 28px 0;
  background: var(--bg-parchment);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

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

.footer-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.footer-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #059669;
}

.back-to-top {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 4px 10px;
  border-radius: 4px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.back-to-top:hover {
  background: var(--text-primary);
  color: var(--bg-parchment);
}