/* ==========================================================================
   G MADHANKUMAR — PREMIUM PERSONAL PORTFOLIO
   Design System: Google-Inspired 2026 Light Editorial Engineering Aesthetic
   Fully Responsive Across Mobile, Tablet, Laptop, PC Screens & TV Displays
   ========================================================================== */
/* Google Fonts are preloaded asynchronously in HTML for maximum page load performance */

/* Dynamic Responsive Design Tokens */
:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Surfaces & Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #F1F3F5;
  --bg-subtle: #F4F6F8;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FBFBFC;
  --bg-nav: rgba(255, 255, 255, 0.88);

  /* Typography */
  --text-primary: #111827;      /* Dark Charcoal/Near Black */
  --text-secondary: #4B5563;    /* Refined Slate Gray */
  --text-tertiary: #6B7280;     /* Supporting Text */
  --text-muted: #9CA3AF;        /* Meta & Labels */
  --text-accent: #0F172A;

  /* Borders & Dividers */
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-strong: rgba(0, 0, 0, 0.22);
  --border-focus: #111827;

  /* Subtle Gradients */
  --grad-subtle: linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
  --grad-card: linear-gradient(145deg, #FFFFFF 0%, #FAFAFA 100%);
  --grad-badge: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);

  /* Radii System */
  --radius-sm: clamp(10px, 0.8vw, 16px);
  --radius-md: clamp(14px, 1.1vw, 22px);
  --radius-lg: clamp(18px, 1.4vw, 28px);
  --radius-feature: clamp(22px, 1.6vw, 34px);
  --radius-hero: clamp(26px, 1.8vw, 40px);
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 6px 20px -3px rgba(0, 0, 0, 0.06), 0 3px 8px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 16px 44px -6px rgba(0, 0, 0, 0.08), 0 6px 16px -3px rgba(0, 0, 0, 0.04);

  /* Fully Screen-Responsive Layout Boundaries */
  --max-width: min(94vw, 1380px);
  --container-padding: clamp(18px, 3.2vw, 64px);
  --section-spacing: clamp(75px, 7.5vw, 160px);

  /* Status Colors */
  --status-green: #10B981;
  --status-green-bg: rgba(16, 185, 129, 0.1);
}

/* Screen Scaling for PC Displays (1920px - 2560px+) */
@media (min-width: 1800px) {
  :root {
    --max-width: min(90vw, 1920px);
    --section-spacing: clamp(120px, 8vw, 190px);
  }
}

/* Ultra-wide & 4K / TV Displays (2560px - 3840px+) */
@media (min-width: 2500px) {
  :root {
    --max-width: min(88vw, 2400px);
    --section-spacing: clamp(150px, 8vw, 220px);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: clamp(80px, 7vw, 110px);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  line-height: 1.65;
  font-size: clamp(16px, 1.05vw, 22px);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

::selection {
  background-color: #111827;
  color: #FFFFFF;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

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

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

/* ==========================================================================
   RESPONSIVE TYPOGRAPHY HIERARCHY (Fluid Scale)
   ========================================================================== */
.hero-title {
  font-size: clamp(42px, 6.2vw, 118px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: clamp(24px, 2.8vw, 48px);
  max-width: 18ch;
}

.section-title {
  font-size: clamp(32px, 4vw, 76px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: clamp(18px, 1.8vw, 28px);
}

.section-subtitle {
  font-size: clamp(17px, 1.35vw, 25px);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: min(840px, 92%);
}

.card-title {
  font-size: clamp(20px, 1.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
}

.eyebrow {
  font-size: clamp(12px, 0.85vw, 16px);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: clamp(12px, 1.2vw, 18px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow-badge {
  background-color: var(--bg-tertiary);
  padding: clamp(5px, 0.5vw, 10px) clamp(12px, 1vw, 20px);
  border-radius: var(--radius-pill);
  font-size: clamp(11px, 0.8vw, 15px);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

/* Sections */
.section-wrapper {
  padding-top: var(--section-spacing);
  position: relative;
}

.section-header {
  margin-bottom: clamp(40px, 4vw, 72px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: clamp(14px, 1.6vw, 24px) 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.scrolled {
  padding: clamp(8px, 1vw, 14px) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-nav);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: clamp(8px, 0.8vw, 14px) clamp(16px, 1.6vw, 32px);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.site-header.scrolled .nav-container {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: clamp(14px, 1.05vw, 20px);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-dot {
  display: none !important;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 40px);
  list-style: none;
}

.nav-link {
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
}

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

.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: clamp(10px, 0.9vw, 16px) clamp(22px, 1.6vw, 34px);
  border-radius: var(--radius-pill);
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 600;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-pill-primary {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border: 1px solid var(--text-primary);
}

.btn-pill-primary:hover {
  background-color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
}

.btn-pill-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

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

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all 0.25s ease;
}

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

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

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

.mobile-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 20px;
  right: 20px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer .nav-link {
  font-size: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================================================
   HERO SECTION (Expansive Full-Width Editorial Layout)
   ========================================================================== */
.hero-section {
  padding-top: clamp(130px, 12vw, 210px);
  padding-bottom: clamp(40px, 4vw, 80px);
}

.hero-editorial-wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 4vw, 72px);
  align-items: center;
  width: 100%;
}

.hero-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  justify-self: end;
}

.hero-portrait-img {
  width: 100%;
  max-width: min(540px, 100%);
  height: clamp(520px, 48vw, 780px);
  object-fit: cover;
  object-position: center 25%;
  border-radius: var(--radius-hero);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.08);
  display: block;
  transition: all 0.3s ease;
}

.hero-portrait-img:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
  border-color: var(--border-medium);
}

@media (max-width: 992px) {
  .hero-editorial-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-image-wrap {
    order: -1;
    justify-self: center;
    max-width: 100%;
    width: 100%;
    margin: 0 auto 20px;
    display: flex;
    justify-content: center;
  }
  .hero-portrait-img {
    max-width: min(390px, 100%);
    width: 100%;
    height: auto;
    max-height: clamp(340px, 58vw, 480px);
    object-fit: cover;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.hero-paragraphs {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 1.5vw, 26px);
  margin-bottom: clamp(32px, 3vw, 52px);
  max-width: min(980px, 94%);
}

.hero-paragraphs p {
  font-size: clamp(17px, 1.35vw, 26px);
  line-height: 1.7;
  color: var(--text-secondary);
}

.hero-paragraphs p.lead {
  font-size: clamp(20px, 1.7vw, 34px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-primary);
  letter-spacing: -0.015em;
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(14px, 1.4vw, 24px);
  margin-bottom: clamp(36px, 3.5vw, 56px);
}

.text-link-subtle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(14px, 1vw, 18px);
  font-weight: 600;
  color: var(--text-secondary);
  padding: clamp(8px, 0.8vw, 14px) clamp(12px, 1vw, 20px);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.text-link-subtle:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.hero-meta-row {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 42px);
  font-size: clamp(13px, 0.95vw, 18px);
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding-top: clamp(20px, 2vw, 32px);
  width: 100%;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta-item svg {
  width: clamp(15px, 1.1vw, 20px);
  height: clamp(15px, 1.1vw, 20px);
}

/* ==========================================================================
   QUICK STATS GRID
   ========================================================================== */
.stats-section {
  padding-top: clamp(20px, 2.5vw, 40px);
  padding-bottom: clamp(20px, 2.5vw, 40px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.6vw, 32px);
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(26px, 2.4vw, 44px);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: clamp(170px, 14vw, 240px);
}

.stat-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.stat-index {
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.85vw, 16px);
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: clamp(16px, 1.6vw, 28px);
}

.stat-value {
  font-size: clamp(30px, 2.8vw, 56px);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: clamp(14px, 1.05vw, 20px);
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-sub {
  font-size: clamp(12px, 0.9vw, 17px);
  color: var(--text-tertiary);
}

/* ==========================================================================
   ABOUT SECTION (Subtle Monochrome Gradient Aesthetic)
   ========================================================================== */
#about {
  background: transparent;
  border-top: none;
  border-bottom: none;
  position: relative;
}

.about-editorial-wrap {
  background: linear-gradient(135deg, #F8F9FA 0%, #EEF0F3 50%, #E3E7EB 100%);
  border: 1px solid rgba(0, 0, 0, 0.09);
  border-radius: clamp(26px, 2.8vw, 42px);
  padding: clamp(36px, 4.5vw, 76px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.about-editorial-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #111827 0%, #4B5563 50%, #9CA3AF 100%);
}

.about-editorial-text {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 1.8vw, 30px);
}

.about-editorial-text p {
  font-size: clamp(17px, 1.25vw, 24px);
  line-height: 1.72;
  color: var(--text-secondary);
}

.about-editorial-text p.lead-highlight {
  font-size: clamp(21px, 1.6vw, 32px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  letter-spacing: -0.015em;
}

.about-side-panel {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2vw, 36px);
}

/* Portrait Card in About */
.about-portrait-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.about-portrait-card img {
  width: 100%;
  height: clamp(300px, 26vw, 480px);
  object-fit: cover;
  object-position: center 20%;
  transition: transform 0.4s ease;
}

.about-portrait-card:hover img {
  transform: scale(1.02);
}

.about-portrait-info {
  padding: clamp(16px, 1.6vw, 26px);
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Exploring Card */
.exploring-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(24px, 2.2vw, 40px);
  box-shadow: var(--shadow-sm);
}

.exploring-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(16px, 1.6vw, 26px);
}

.exploring-tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(8px, 0.8vw, 14px);
}

.tech-chip {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: clamp(12px, 0.9vw, 17px);
  font-weight: 600;
  padding: clamp(6px, 0.7vw, 12px) clamp(14px, 1.2vw, 22px);
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.tech-chip:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

/* Academic Foundation Card */
.foundation-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(22px, 2vw, 36px);
}

.foundation-card h4 {
  font-size: clamp(16px, 1.2vw, 22px);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.foundation-card p {
  font-size: clamp(13px, 0.95vw, 18px);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   EXPERIENCE SECTION (02 — EXPERIENCE)
   ========================================================================== */
.experience-card-featured {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: clamp(32px, 3.5vw, 64px);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}

.exp-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(16px, 1.6vw, 26px);
  flex-wrap: wrap;
}

.exp-company-title {
  font-size: clamp(28px, 3vw, 54px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.exp-role-duration {
  font-size: clamp(15px, 1.15vw, 22px);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: clamp(18px, 1.8vw, 28px);
  display: flex;
  align-items: center;
  gap: 12px;
}

.exp-description {
  font-size: clamp(16px, 1.2vw, 22px);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: clamp(24px, 2.4vw, 36px);
}

.exp-skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(6px, 0.6vw, 12px);
  margin-bottom: clamp(22px, 2vw, 34px);
}

.exp-skill-pill {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: clamp(5px, 0.6vw, 10px) clamp(12px, 1vw, 20px);
  border-radius: var(--radius-pill);
  font-size: clamp(12px, 0.9vw, 16px);
  font-weight: 600;
  color: var(--text-primary);
}

.exp-verify-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: clamp(6px, 0.6vw, 10px) clamp(12px, 1vw, 20px);
  border-radius: var(--radius-pill);
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: clamp(12px, 0.85vw, 16px);
  font-weight: 600;
  color: #065F46;
}

.exp-image-showcase {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
}

.exp-image-showcase img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 580px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exp-image-showcase:hover img {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.exp-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
  color: #FFFFFF;
  padding: clamp(18px, 2vw, 32px) clamp(16px, 1.8vw, 28px) clamp(14px, 1.4vw, 22px);
  font-size: clamp(12px, 0.9vw, 16px);
  font-weight: 500;
}

/* ==========================================================================
   CAREER POSITIONING
   ========================================================================== */
.positioning-statement {
  font-size: clamp(26px, 2.8vw, 52px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.positioning-sub {
  font-size: clamp(17px, 1.3vw, 24px);
  color: var(--text-secondary);
  max-width: min(780px, 94%);
  margin-bottom: clamp(36px, 3.5vw, 56px);
}

.positioning-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 36px);
}

.positioning-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(28px, 2.6vw, 48px);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.positioning-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pos-card-num {
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.9vw, 16px);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: clamp(18px, 1.8vw, 30px);
}

.pos-card-title {
  font-size: clamp(20px, 1.6vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: clamp(16px, 1.6vw, 26px);
  color: var(--text-primary);
}

.pos-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1vw, 16px);
  margin-top: auto;
}

.pos-card-list li {
  font-size: clamp(14px, 1.05vw, 20px);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pos-card-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--text-primary);
  opacity: 0.4;
}

/* ==========================================================================
   PROJECTS SECTION (03 — PROJECTS)
   ========================================================================== */
.projects-filter-bar {
  display: flex;
  align-items: center;
  gap: clamp(6px, 0.8vw, 14px);
  flex-wrap: wrap;
  margin-bottom: clamp(32px, 3vw, 52px);
}

.filter-btn {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: clamp(7px, 0.75vw, 13px) clamp(16px, 1.4vw, 28px);
  border-radius: var(--radius-pill);
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.filter-btn.active {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(22px, 2.4vw, 44px);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(28px, 2.8vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  min-height: clamp(360px, 30vw, 500px);
}

.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(32px, 3.5vw, 56px);
  align-items: center;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(14px, 1.4vw, 24px);
}

.project-num {
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.85vw, 16px);
  font-weight: 600;
  color: var(--text-muted);
}

.project-category {
  font-size: clamp(11px, 0.8vw, 15px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  background-color: var(--bg-secondary);
  padding: clamp(3px, 0.4vw, 8px) clamp(10px, 0.9vw, 18px);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.project-title {
  font-size: clamp(22px, 1.8vw, 36px);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: clamp(10px, 1vw, 18px);
}

.project-desc {
  font-size: clamp(15px, 1.1vw, 21px);
  line-height: 1.68;
  color: var(--text-secondary);
  margin-bottom: clamp(18px, 1.8vw, 28px);
}

.project-highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(12px, 0.85vw, 16px);
  font-weight: 600;
  color: #111827;
  background-color: var(--bg-tertiary);
  padding: clamp(4px, 0.4vw, 8px) clamp(10px, 0.8vw, 16px);
  border-radius: 6px;
  margin-bottom: clamp(16px, 1.6vw, 24px);
  width: fit-content;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(6px, 0.6vw, 10px);
  margin-bottom: clamp(22px, 2vw, 34px);
}

.project-tag {
  font-size: clamp(11px, 0.8vw, 15px);
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: clamp(4px, 0.4vw, 8px) clamp(10px, 0.8vw, 16px);
  border-radius: var(--radius-pill);
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.btn-project {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 600;
  color: var(--text-primary);
  padding: clamp(7px, 0.7vw, 12px) clamp(16px, 1.2vw, 24px);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-medium);
  transition: all 0.2s ease;
}

.btn-project:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.featured-visual-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2vw, 36px);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.terminal-mockup {
  background-color: #111827;
  color: #E5E7EB;
  border-radius: var(--radius-md);
  padding: clamp(16px, 1.8vw, 28px);
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.9vw, 16px);
  line-height: 1.6;
}

.terminal-header {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.term-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #4B5563;
}

/* ==========================================================================
   SKILLS SECTION (Clean Google Minimalist Aesthetic)
   ========================================================================== */
.skills-clean-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 24vw, 380px), 1fr));
  gap: clamp(20px, 2.2vw, 36px);
}

.clean-skill-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(24px, 2.4vw, 36px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
}

.clean-skill-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.clean-skill-card.highlight-security {
  border-color: rgba(66, 133, 244, 0.35);
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFF 100%);
  position: relative;
}

.clean-skill-card.highlight-security:hover {
  border-color: var(--color-google-blue);
  box-shadow: 0 12px 28px rgba(66, 133, 244, 0.12);
}

.clean-skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(16px, 1.6vw, 24px);
  padding-bottom: clamp(12px, 1.2vw, 16px);
  border-bottom: 1px solid var(--border-subtle);
}

.clean-skill-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  color: var(--color-google-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.clean-skill-card.highlight-security .clean-skill-icon {
  background-color: rgba(66, 133, 244, 0.1);
  color: var(--color-google-blue);
}

.clean-skill-title {
  font-size: clamp(17px, 1.25vw, 22px);
  font-weight: 700;
  color: var(--text-primary);
}

.clean-skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(8px, 0.8vw, 12px);
}

.clean-chip {
  display: inline-flex;
  align-items: center;
  font-size: clamp(13px, 0.95vw, 16px);
  font-weight: 500;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: clamp(6px, 0.6vw, 10px) clamp(14px, 1.1vw, 20px);
  transition: all 0.2s ease;
}

.clean-chip:hover {
  background-color: #FFFFFF;
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.clean-skill-card.highlight-security .clean-chip {
  background-color: #FFFFFF;
  border-color: rgba(66, 133, 244, 0.2);
}

/* ==========================================================================
   LEARNING JOURNEY (Premium Roadmap Aesthetic)
   ========================================================================== */
.journey-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(36px, 4.5vw, 72px);
  align-items: start;
}

.premium-timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  gap: clamp(18px, 1.8vw, 26px);
}

.timeline-card {
  display: flex;
  gap: clamp(16px, 1.8vw, 26px);
  position: relative;
  transition: transform 0.2s ease;
}

.timeline-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 20px;
  position: relative;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 3px solid var(--border-strong);
  margin-top: 6px;
  z-index: 2;
  transition: all 0.25s ease;
}

.timeline-dot.active-dot {
  background-color: var(--color-google-blue);
  border-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.25);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.3); }
  50% { box-shadow: 0 0 0 7px rgba(66, 133, 244, 0.1); }
  100% { box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.3); }
}

.timeline-line {
  width: 2px;
  flex-grow: 1;
  background: linear-gradient(180deg, var(--border-medium) 0%, var(--border-subtle) 100%);
  margin-top: 6px;
}

.timeline-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(18px, 1.8vw, 28px) clamp(22px, 2.2vw, 34px);
  flex-grow: 1;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-xs);
}

.timeline-card:hover .timeline-content {
  border-color: var(--border-medium);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.timeline-card:hover .timeline-dot:not(.active-dot) {
  border-color: var(--color-google-blue);
  background-color: var(--color-google-blue);
}

.timeline-card.current-focus .timeline-content {
  background: linear-gradient(180deg, #FFFFFF 0%, #F6F9FE 100%);
  border-color: rgba(66, 133, 244, 0.35);
  box-shadow: 0 6px 20px rgba(66, 133, 244, 0.08);
}

.timeline-header-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.timeline-badge {
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.85vw, 15px);
  font-weight: 700;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.timeline-badge.badge-active {
  background-color: rgba(66, 133, 244, 0.12);
  color: var(--color-google-blue);
  border-color: rgba(66, 133, 244, 0.3);
}

.timeline-phase {
  font-size: clamp(11px, 0.8vw, 13px);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.timeline-phase.badge-focus {
  color: var(--color-google-blue);
}

.timeline-title {
  font-size: clamp(16px, 1.2vw, 21px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.timeline-text {
  font-size: clamp(14px, 1vw, 18px);
  color: var(--text-secondary);
  line-height: 1.65;
}

.journey-image-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  position: sticky;
  top: 100px;
}

.journey-image-card img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 620px;
  border-radius: var(--radius-hero);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.journey-image-card:hover img {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   ENGINEERING MINDSET SECTION
   ========================================================================== */
.mindset-container {
  background: linear-gradient(135deg, #F8F9FA 0%, #F1F3F5 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: clamp(36px, 4.5vw, 76px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}

.mindset-quote {
  font-size: clamp(28px, 3.4vw, 60px);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: clamp(16px, 1.6vw, 26px);
}

.mindset-body {
  font-size: clamp(16px, 1.2vw, 22px);
  color: var(--text-secondary);
  line-height: 1.7;
}

.mindset-image-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  margin: 0 auto;
}

.mindset-image-box img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 560px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mindset-image-box:hover img {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   CYBERSECURITY FOCUS & AI SECTIONS
   ========================================================================== */
.tri-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 36px);
}

.tri-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(28px, 2.6vw, 48px);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.tri-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.tri-card-num {
  font-family: var(--font-mono);
  font-size: clamp(12px, 0.9vw, 16px);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: clamp(16px, 1.6vw, 26px);
}

.tri-card-title {
  font-size: clamp(20px, 1.6vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: clamp(14px, 1.4vw, 22px);
}

.tri-card-tags {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 0.9vw, 14px);
  margin-top: auto;
}

.tri-tag-item {
  font-size: clamp(14px, 1.05vw, 19px);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tri-tag-item::before {
  content: '→';
  color: var(--text-muted);
}

/* ==========================================================================
   BUILDING IN PUBLIC (GITHUB) & RESUME CTA
   ========================================================================== */
.public-github-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 3vw, 56px);
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  padding: clamp(32px, 3.8vw, 68px);
}

.public-info-col h3 {
  font-size: clamp(26px, 2.6vw, 48px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.public-info-col p {
  font-size: clamp(16px, 1.2vw, 23px);
  color: var(--text-secondary);
  margin-bottom: clamp(20px, 2vw, 34px);
}

.github-repo-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2vw, 36px);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1vw, 18px);
}

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

.repo-name {
  font-weight: 700;
  font-size: clamp(15px, 1.1vw, 21px);
  color: var(--text-primary);
}

.repo-desc {
  font-size: clamp(13px, 0.95vw, 18px);
  color: var(--text-secondary);
}

.repo-stats-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.repo-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(12px, 0.85vw, 15px);
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.repo-pill:hover {
  background-color: #FFFFFF;
  border-color: var(--border-medium);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.lang-dot-js {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #F7DF1E;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(247, 223, 30, 0.2);
}

/* Resume CTA Card */
.resume-cta-card {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-radius: var(--radius-hero);
  padding: clamp(36px, 4.5vw, 76px) clamp(30px, 4vw, 68px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(28px, 3vw, 56px);
  margin-top: clamp(36px, 4vw, 68px);
}

.resume-cta-text h3 {
  font-size: clamp(26px, 2.6vw, 48px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.resume-cta-text p {
  font-size: clamp(16px, 1.2vw, 23px);
  color: #9CA3AF;
  max-width: min(720px, 94%);
}

.resume-cta-actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.2vw, 20px);
  flex-wrap: wrap;
  max-width: 100%;
}

.btn-pill-white {
  background-color: #FFFFFF;
  color: #111827;
  border: 1px solid #FFFFFF;
}

.btn-pill-white:hover {
  background-color: #F3F4F6;
  transform: translateY(-2px);
}

.btn-pill-white-outline {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-pill-white-outline:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-split-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(36px, 4vw, 72px);
  align-items: start;
}

@media (max-width: 992px) {
  .contact-split-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}

.contact-info-col p {
  font-size: clamp(17px, 1.3vw, 25px);
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-direct-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 1.4vw, 24px);
  margin-top: clamp(28px, 2.8vw, 48px);
}

.clean-contact-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-feature);
  padding: clamp(20px, 2vw, 32px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(12px, 1.2vw, 20px);
  box-shadow: var(--shadow-xs);
}

.clean-contact-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.contact-card-top-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--color-google-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-main-content {
  flex-grow: 1;
}

.contact-card-value {
  font-size: clamp(15px, 1.1vw, 21px);
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-word;
  transition: color 0.2s ease;
}

.contact-card-value:hover {
  color: var(--color-google-blue);
}

.contact-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(11px, 0.8vw, 14px);
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 4px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  width: fit-content;
  transition: all 0.2s ease;
}

.contact-copy-btn:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.contact-social-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Contact Profile Card */
.contact-profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-hero);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  max-width: 420px;
  width: 100%;
  justify-self: end;
  transition: all 0.25s ease;
}

.contact-profile-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.contact-profile-img-wrap {
  width: 100%;
  height: clamp(340px, 30vw, 420px);
  overflow: hidden;
  position: relative;
  background-color: #F3F4F6;
}

.contact-profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  transition: transform 0.4s ease;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-profile-card:hover .contact-profile-img {
  transform: scale(1.02);
}

.contact-profile-body {
  padding: clamp(20px, 2vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #FFFFFF;
}

.contact-profile-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.contact-profile-name {
  font-size: clamp(19px, 1.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
  white-space: nowrap;
}

.contact-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--status-green);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 185, 129, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
}

.contact-profile-role {
  font-size: clamp(13px, 0.95vw, 15px);
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.contact-profile-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.contact-meta-text {
  font-weight: 500;
}

.contact-meta-sep {
  color: var(--border-medium);
}

.contact-send-btn {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
}

/* ==========================================================================
   ULTRA-PREMIUM FOOTER
   ========================================================================== */
.site-footer {
  margin-top: var(--section-spacing);
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
  padding: clamp(56px, 6vw, 96px) 0 clamp(36px, 3.5vw, 56px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.1fr 1.4fr;
  gap: clamp(32px, 3.5vw, 64px);
  padding-bottom: clamp(40px, 4.5vw, 68px);
  border-bottom: 1px solid var(--border-subtle);
}

.footer-col-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-title {
  font-weight: 800;
  font-size: clamp(18px, 1.4vw, 26px);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.footer-bio-text {
  font-size: clamp(13px, 0.95vw, 17px);
  color: var(--text-secondary);
  line-height: 1.65;
}

.footer-heading {
  font-size: clamp(14px, 1vw, 17px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: clamp(14px, 1.4vw, 22px);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1vw, 16px);
}

.footer-nav-list a {
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-nav-list a:hover {
  color: var(--color-google-blue);
  transform: translateX(3px);
}

.footer-col-action {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-action-text {
  font-size: clamp(13px, 0.95vw, 17px);
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-cta-btn {
  width: fit-content;
  font-size: clamp(12px, 0.9vw, 15px);
  padding: 10px 20px;
}

.footer-back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: clamp(12px, 0.85vw, 15px);
  font-weight: 600;
  cursor: pointer;
  padding: 6px 0;
  transition: color 0.2s ease;
  width: fit-content;
}

.footer-back-top:hover {
  color: var(--text-primary);
}

.footer-bottom-bar {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  padding-top: clamp(24px, 2.5vw, 40px);
  font-size: clamp(12px, 0.85vw, 16px);
  color: var(--text-muted);
  width: 100% !important;
  margin: 0 auto !important;
}

.footer-copy {
  text-align: center !important;
  width: 100% !important;
  margin: 0 auto !important;
  display: block !important;
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.8vw, 14px);
}

.footer-domain-link {
  color: var(--color-google-blue);
  font-weight: 600;
}

.footer-domain-link:hover {
  text-decoration: underline;
}

.footer-sep {
  color: var(--border-medium);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #111827;
  color: #FFFFFF;
  padding: clamp(10px, 1vw, 16px) clamp(18px, 1.5vw, 28px);
  border-radius: var(--radius-pill);
  font-size: clamp(13px, 0.95vw, 17px);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background-color: #FFFFFF;
  border-radius: var(--radius-hero);
  max-width: min(840px, 94vw);
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: clamp(24px, 3vw, 48px);
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-window {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background-color: #111827;
  color: #FFFFFF;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Mobile, Tablet, Laptop, PC, TV)
   ========================================================================== */

/* Tablet (768px – 1023px) */
@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

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

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

  .experience-card-featured {
    grid-template-columns: 1fr;
  }

  .positioning-cards-grid,
  .tri-cards-grid {
    grid-template-columns: 1fr;
  }

  .project-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

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

  .journey-layout {
    grid-template-columns: 1fr;
  }

  .mindset-container {
    grid-template-columns: 1fr;
  }

  .public-github-layout {
    grid-template-columns: 1fr;
  }

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

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

/* Mobile (320px – 767px) */
@media (max-width: 767px) {
  :root {
    --container-padding: clamp(14px, 4vw, 20px);
  }

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

  .contact-direct-cards {
    grid-template-columns: 1fr;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-title {
    font-size: clamp(32px, 8.5vw, 54px);
    line-height: 1.08;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
  }

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

  /* Navigation pill button shouldn't stretch to 100% */
  .site-header .nav-actions .btn-pill {
    width: auto !important;
    padding: clamp(6px, 1.6vw, 9px) clamp(12px, 2.5vw, 18px);
    font-size: clamp(12px, 2.2vw, 14px);
  }

  /* Resume CTA Card Responsive Stack */
  .resume-cta-card {
    padding: clamp(28px, 6vw, 40px) clamp(18px, 4vw, 28px);
    border-radius: var(--radius-lg);
  }

  .resume-cta-actions {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 12px;
  }

  .resume-cta-actions .btn-pill {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .contact-profile-name {
    white-space: normal;
  }

  .toast-notice {
    left: 50% !important;
    right: auto !important;
    transform: translate(-50%, 100px) !important;
    max-width: calc(100vw - 32px);
    width: max-content;
    text-align: center;
  }

  .toast-notice.show {
    transform: translate(-50%, 0) !important;
  }

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

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }

  .modal-window {
    padding: 22px 18px;
    max-width: 95vw;
  }
}

/* Extra Small Phones (320px – 480px) */
@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
  }

  .site-header {
    padding: 10px 0;
  }

  .nav-container {
    padding: 6px 12px;
  }

  .nav-brand {
    font-size: 13px;
    gap: 6px;
  }

  .hero-section {
    padding-top: clamp(96px, 18vw, 120px);
    padding-bottom: 32px;
  }

  .hero-paragraphs p.lead {
    font-size: clamp(16px, 4.2vw, 19px);
    line-height: 1.52;
  }

  .hero-paragraphs p {
    font-size: 14.5px;
    line-height: 1.6;
  }

  .section-title {
    font-size: clamp(26px, 7vw, 36px);
  }

  .modal-window {
    padding: 18px 14px;
    max-width: 96vw;
  }
}

/* ==========================================================================
   SMOOTH ANIMATIONS, MICRO-INTERACTIONS & EFFECTS
   ========================================================================== */

/* 1. Top Reading / Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #1A73E8 0%, #34A853 35%, #4285F4 70%, #1A73E8 100%);
  background-size: 200% 100%;
  animation: shimmer-progress 3s linear infinite;
  z-index: 99999;
  width: 0%;
  pointer-events: none;
  transition: width 0.1s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(26, 115, 232, 0.5);
}

@keyframes shimmer-progress {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* 2. Page Loading Hero Opening Sequence */
@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroImageIn {
  0% {
    opacity: 0;
    transform: scale(0.95) translateY(24px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.hero-title {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-paragraphs {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}

.hero-ctas {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

.hero-meta-row {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.32s both;
}

.hero-image-wrap {
  animation: heroImageIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.16s both;
}

/* 3. Scroll-Driven Intersection Reveal */
.reveal-init {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* 4. Button Tactile Click Physics & Dynamic Ripple */
.btn-pill,
.btn-project,
.filter-btn,
.text-link-subtle,
.footer-cta-btn,
.modal-close-btn {
  position: relative;
  overflow: hidden;
  user-select: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease,
              border-color 0.2s ease,
              color 0.2s ease;
}

.btn-pill:active,
.btn-project:active,
.filter-btn:active {
  transform: scale(0.96) !important;
}

.ripple-wave {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-spread 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.35);
}

.btn-pill-secondary .ripple-wave,
.btn-project .ripple-wave,
.filter-btn .ripple-wave,
.btn-pill-white-outline .ripple-wave {
  background: rgba(26, 115, 232, 0.18);
}

@keyframes ripple-spread {
  0% {
    opacity: 0.9;
    transform: scale(0);
  }
  100% {
    opacity: 0;
    transform: scale(4);
  }
}

/* 5. Card Hover 3D Elevation & Micro-Glow */
.project-card,
.positioning-card,
.experience-card-featured,
.journey-item,
.mindset-container,
.github-repo-card,
.contact-profile-card,
.contact-card,
.tri-card,
.about-editorial-wrap {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease;
}

.project-card:hover,
.positioning-card:hover,
.journey-item:hover,
.tri-card:hover,
.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.08);
  border-color: rgba(26, 115, 232, 0.3);
}

.github-repo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px -10px rgba(26, 115, 232, 0.15);
  border-color: var(--color-google-blue);
}

.contact-profile-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -12px rgba(0, 0, 0, 0.14);
}

/* 6. Smooth Image Hover Lift */
.hero-portrait-img,
.exp-image-showcase img,
.journey-image-card img,
.mindset-image-box img,
.contact-profile-img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-portrait-img:hover,
.exp-image-showcase img:hover,
.journey-image-card img:hover,
.mindset-image-box img:hover,
.contact-profile-img:hover {
  transform: translateY(-3px) scale(1.008);
}

/* 7. Upgraded Modal Fluid Transitions */
.modal-overlay {
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              backdrop-filter 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-window {
  transform: scale(0.92) translateY(24px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-window {
  transform: scale(1) translateY(0);
  opacity: 1;
}