/* ==========================================================================
   Kaiser Mohiuddin — Portfolio
   css/styles.css
   --------------------------------------------------------------------------
   1.  Tokens & Theme System
   2.  Reset & Base
   3.  Layout Primitives
   4.  Buttons, Pills & Badges
   5.  Navbar & Mobile Drawer
   6.  Hero Section & Metrics
   7.  About Section & Fact Cards
   8.  Experience Timeline
   9.  SiratSync Spotlight
   10. Projects Grid & Filters
   11. Skills Section
   12. Education & Credentials
   13. Contact Section
   14. Footer
   15. Legal Pages
   16. Toast Notifications
   17. Motion, Reveals & Micro-interactions
   18. Breakpoints & Responsive Enhancements
   ========================================================================== */

/* 1. TOKENS & THEME SYSTEM =============================================== */

:root {
  /* Surfaces — Deep obsidian base with luminous dark-slate elevation */
  --bg:            #070A12;
  --bg-soft:       #0A0F1A;
  --surface:       #0E1624;
  --surface-2:     #131E30;
  --surface-hover: #17243A;
  --surface-glass: rgba(14, 22, 36, 0.82);
  --surface-card:  rgba(14, 22, 36, 0.72);

  /* Hairlines & Borders */
  --line:          rgba(255, 255, 255, 0.08);
  --line-strong:   rgba(255, 255, 255, 0.15);
  --line-glass:    rgba(255, 255, 255, 0.12);

  /* Text & Contrast */
  --text:          #EEF3F8;
  --text-dim:      #A2B0C2;
  --text-faint:    #6E7D92;

  /* Primary Accent — Emerald / Jade */
  --jade:          #10B981;
  --jade-bright:   #34D399;
  --jade-soft:     rgba(16, 185, 129, 0.12);
  --jade-glow:     rgba(16, 185, 129, 0.24);
  --jade-line:     rgba(16, 185, 129, 0.32);

  /* Secondary Accent — Warm Copper / Amber */
  --copper:        #F59E0B;
  --copper-bright: #FBBF24;
  --copper-soft:   rgba(245, 158, 11, 0.12);
  --copper-glow:   rgba(245, 158, 11, 0.22);
  --copper-line:   rgba(245, 158, 11, 0.34);

  --danger:        #EF4444;

  /* Typography */
  --font-display:  'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Fluid Type Scale (Optimized for 360px up to 1920px) */
  --step--1: clamp(0.80rem, 0.76rem + 0.2vw, 0.88rem);
  --step-0:  clamp(0.92rem, 0.88rem + 0.25vw, 1.02rem);
  --step-1:  clamp(1.08rem, 1.00rem + 0.45vw, 1.28rem);
  --step-2:  clamp(1.28rem, 1.15rem + 0.85vw, 1.68rem);
  --step-3:  clamp(1.60rem, 1.35rem + 1.4vw, 2.35rem);
  --step-4:  clamp(2.05rem, 1.65rem + 2.4vw, 3.6rem);

  /* Spatial Rhythm */
  --gutter:      clamp(1rem, 4vw, 2rem);
  --section-y:   clamp(3.5rem, 8vw, 6.5rem);
  --shell:       1160px;

  /* Corner Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 26px;

  /* Motion Curves */
  --spring: cubic-bezier(0.2, 0.9, 0.3, 1);
  --swift:  cubic-bezier(0.4, 0, 0.2, 1);

  /* Navigation Height */
  --nav-h: 68px;

  /* Card Lighting */
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 40px -12px rgba(0, 0, 0, 0.65), 0 0 25px -4px var(--jade-glow);
}

/* Light Theme Tokens */
[data-theme="light"] {
  --bg:            #F8FAFC;
  --bg-soft:       #F1F5F9;
  --surface:       #FFFFFF;
  --surface-2:     #F8FAFC;
  --surface-hover: #F1F5F9;
  --surface-glass: rgba(255, 255, 255, 0.88);
  --surface-card:  rgba(255, 255, 255, 0.94);

  --line:          rgba(15, 23, 42, 0.09);
  --line-strong:   rgba(15, 23, 42, 0.18);
  --line-glass:    rgba(15, 23, 42, 0.12);

  --text:          #0F172A;
  --text-dim:      #334155;
  --text-faint:    #64748B;

  --jade:          #059669;
  --jade-bright:   #047857;
  --jade-soft:     rgba(5, 150, 105, 0.09);
  --jade-glow:     rgba(5, 150, 105, 0.18);
  --jade-line:     rgba(5, 150, 105, 0.28);

  --copper:        #D97706;
  --copper-bright: #B45309;
  --copper-soft:   rgba(217, 119, 6, 0.09);
  --copper-glow:   rgba(217, 119, 6, 0.18);
  --copper-line:   rgba(217, 119, 6, 0.28);

  --shadow-card:   0 4px 20px -2px rgba(15, 23, 42, 0.07), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-hover:  0 14px 30px -6px rgba(15, 23, 42, 0.12), 0 0 20px -4px var(--jade-glow);
}

/* Light Theme Overrides */
[data-theme="light"] body::before {
  background:
    radial-gradient(55% 55% at 20% 0%, rgba(5, 150, 105, 0.08), transparent 70%),
    radial-gradient(45% 45% at 85% 10%, rgba(217, 119, 6, 0.06), transparent 72%),
    radial-gradient(40% 40% at 50% 30%, rgba(14, 165, 233, 0.04), transparent 70%);
}

[data-theme="light"] .hero-name,
[data-theme="light"] .role-title,
[data-theme="light"] .spotlight h3,
[data-theme="light"] .project-title,
[data-theme="light"] .other-work h3,
[data-theme="light"] .skill-group h3,
[data-theme="light"] .edu-head h3,
[data-theme="light"] .credential h4,
[data-theme="light"] .contact-line h3,
[data-theme="light"] .reach-out h3,
[data-theme="light"] .footer-brand h2,
[data-theme="light"] .legal h1,
[data-theme="light"] .legal h2,
[data-theme="light"] .brand {
  color: #0F172A;
}

[data-theme="light"] .metric-value {
  color: #0F172A;
}

[data-theme="light"] .btn-primary {
  background: var(--jade);
  color: #FFFFFF;
}
[data-theme="light"] .btn-primary:hover {
  background: var(--jade-bright);
  color: #FFFFFF;
}

[data-theme="light"] .plink-solid {
  background: var(--jade);
  color: #FFFFFF;
}
[data-theme="light"] .plink-solid:hover {
  background: var(--jade-bright);
  color: #FFFFFF;
}

[data-theme="light"] .filter.is-active {
  background: var(--jade);
  color: #FFFFFF;
}

[data-theme="light"] .tag {
  background: rgba(15, 23, 42, 0.04);
  color: #334155;
  border-color: rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .tag-accent {
  background: var(--copper-soft);
  color: var(--copper-bright);
  border-color: var(--copper-line);
}

[data-theme="light"] .spotlight {
  background:
    radial-gradient(ellipse at top left, rgba(5, 150, 105, 0.08), transparent 60%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 249, 0.95));
  border-color: var(--jade-line);
}

[data-theme="light"] .reach-out {
  background:
    radial-gradient(ellipse at top left, rgba(5, 150, 105, 0.08), transparent 60%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(241, 245, 249, 0.95));
  border-color: var(--jade-line);
}

[data-theme="light"] .metrics {
  background: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .filters {
  background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .other-work {
  background: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .site-list a {
  background: rgba(15, 23, 42, 0.03);
  color: #334155;
}
[data-theme="light"] .site-list a:hover {
  background: var(--jade-soft);
  color: var(--jade-bright);
}

[data-theme="light"] .socials a {
  background: rgba(15, 23, 42, 0.03);
  color: #334155;
}
[data-theme="light"] .socials a:hover {
  background: var(--jade-soft);
  color: var(--jade-bright);
}

[data-theme="light"] .hero-portrait::after {
  background: linear-gradient(to top, rgba(248, 250, 252, 0.92) 0%, rgba(248, 250, 252, 0.25) 45%, transparent 70%);
}
[data-theme="light"] .portrait-caption b {
  color: #0F172A;
}

[data-theme="light"] .footer {
  background: #F1F5F9;
}

[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.96);
  color: #0F172A;
  box-shadow: 0 18px 45px -15px rgba(15, 23, 42, 0.2);
}

@media (max-width: 860px) {
  [data-theme="light"] .nav-list {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.25);
  }
}

/* 2. RESET & BASE ======================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  color-scheme: dark light;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  font-feature-settings: 'cv02', 'cv03', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* Body lock when mobile drawer is open */
body.menu-open {
  overflow: hidden;
  touch-action: none;
}

/* Ambient Radial Glows — layered soft gradients */
body::before {
  content: '';
  position: fixed;
  inset: -10% -5% auto -10%;
  height: 80vh;
  background:
    radial-gradient(55% 55% at 20% 0%, rgba(16, 185, 129, 0.12), transparent 72%),
    radial-gradient(45% 45% at 85% 10%, rgba(245, 158, 11, 0.08), transparent 75%),
    radial-gradient(40% 40% at 50% 30%, rgba(14, 165, 233, 0.04), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--swift);
}

ul, ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

p {
  overflow-wrap: break-word;
}

strong {
  color: var(--text);
  font-weight: 600;
}

::selection {
  background: var(--jade);
  color: #03140D;
}

:focus-visible {
  outline: 2px solid var(--jade-bright);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 500;
  padding: 0.7rem 1.2rem;
  background: var(--jade);
  color: #03140D;
  font-weight: 700;
  border-radius: var(--r-sm);
  transform: translateY(-200%);
  transition: transform 0.25s var(--swift);
}
.skip-link:focus {
  transform: translateY(0);
}

/* 3. LAYOUT PRIMITIVES =================================================== */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

main {
  position: relative;
  z-index: 1;
  width: 100%;
}

.band {
  padding-block: var(--section-y);
  position: relative;
  width: 100%;
}

.band + .band {
  border-top: 1px solid var(--line);
}

.band-head {
  max-width: 65ch;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.band-head h2 {
  font-size: var(--step-3);
  margin-bottom: 0.75rem;
  color: var(--text);
}

.band-head p {
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.6;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--jade-bright);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}
.kicker::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--jade);
  border-radius: 2px;
}

.panel {
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

/* 4. BUTTONS, PILLS & BADGES ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.7rem 1.35rem;
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.22s var(--spring), background 0.2s var(--swift),
              border-color 0.2s var(--swift), color 0.2s var(--swift),
              box-shadow 0.2s var(--swift);
}

.btn i {
  font-size: 0.95em;
  transition: transform 0.2s var(--swift);
}

.btn:hover {
  transform: translateY(-2px);
}
.btn:hover i {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0) scale(0.97);
}

.btn-primary {
  background: var(--jade);
  color: #04160E;
  box-shadow: 0 4px 18px -3px var(--jade-glow);
}
.btn-primary:hover {
  background: var(--jade-bright);
  box-shadow: 0 8px 24px -4px var(--jade-glow);
  color: #04160E;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
}

.btn-quiet {
  background: transparent;
  color: var(--text-dim);
  padding-inline: 0.85rem;
}
.btn-quiet:hover {
  color: var(--text);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.95rem 0.4rem 0.75rem;
  border: 1px solid var(--jade-line);
  background: var(--jade-soft);
  border-radius: 999px;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--jade-bright);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 10px -2px var(--jade-glow);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade-bright);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse-ring 2.4s ease-out infinite;
  flex: none;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7); }
  70%  { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.68rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  line-height: 1.4;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.tag:hover {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.tag-accent {
  border-color: var(--copper-line);
  background: var(--copper-soft);
  color: var(--copper-bright);
}

.tag-lock {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  padding: 0.45rem 0.85rem;
  font-weight: 600;
  font-size: var(--step--1);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: var(--r-sm);
}

/* 5. NAVBAR & MOBILE DRAWER ============================================== */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  padding-top: env(safe-area-inset-top, 0px);
  transition: background 0.3s var(--swift), border-color 0.3s var(--swift),
              backdrop-filter 0.3s var(--swift);
}

.nav.is-stuck {
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -10px rgba(0, 0, 0, 0.7);
}

.nav-inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.035em;
  white-space: nowrap;
  color: var(--text);
  padding: 0.4rem 0;
}
.brand span {
  color: var(--jade-bright);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-list a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s var(--swift), background 0.2s var(--swift);
}

.nav-list a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-list a.is-active {
  color: var(--text);
  font-weight: 600;
}

.nav-list a.is-active::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--jade-bright);
}

.mobile-menu-actions {
  display: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.22s var(--spring), background 0.2s var(--swift),
              color 0.2s var(--swift), border-color 0.2s var(--swift);
}
.theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
}
.theme-toggle:active {
  transform: scale(0.92);
}

.mobile-theme-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.2rem 0.85rem;
  color: var(--text-dim);
  font-size: 0.94rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.25rem;
}

.theme-toggle-mobile {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.theme-toggle-mobile:hover,
.theme-toggle-mobile:active {
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
}

.nav-cta .btn {
  padding: 0.55rem 1.05rem;
  min-height: 40px;
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.nav-toggle:active {
  transform: scale(0.92);
}

/* Mobile backdrop overlay */
.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(4, 7, 13, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--swift);
}
.nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* 6. HERO ================================================================ */

.hero {
  padding-top: calc(var(--nav-h) + clamp(2.5rem, 6vw, 4.5rem));
  padding-bottom: clamp(3rem, 7vw, 5rem);
  position: relative;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.hero-name {
  font-size: var(--step-4);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 1.25rem 0 0.85rem;
  line-height: 1.08;
  color: #FFFFFF;
}

.hero-role {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--jade-bright);
  margin-bottom: 1.15rem;
  letter-spacing: -0.015em;
  max-width: 38ch;
  line-height: 1.4;
}

.hero-blurb {
  color: var(--text-dim);
  max-width: 54ch;
  font-size: var(--step-0);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  align-items: center;
}

/* Portrait */
.hero-portrait {
  position: relative;
  border: 1px solid var(--line-glass);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 4 / 5;
  max-width: 330px;
  margin-inline: auto;
  width: 100%;
  box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.75), 0 0 35px -8px var(--jade-glow);
  transition: transform 0.4s var(--spring), box-shadow 0.4s var(--swift);
}

.hero-portrait:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 25px 55px -15px rgba(0, 0, 0, 0.85), 0 0 45px -5px var(--jade-glow);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  filter: saturate(1.05) contrast(1.03);
}

.hero-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 10, 18, 0.90) 0%, rgba(7, 10, 18, 0.25) 45%, transparent 70%);
  pointer-events: none;
}

.portrait-caption {
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  bottom: 1.1rem;
  z-index: 2;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.45;
}
.portrait-caption b {
  display: block;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

/* Metric Rail — Mobile-first glass card grid */
.metrics {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-glass);
  border-radius: var(--r-xl);
  background: rgba(14, 22, 36, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.metric {
  padding: clamp(1.2rem, 3vw, 1.6rem);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background 0.25s var(--swift);
}
.metric:first-child {
  border-left: 0;
}
.metric:hover {
  background: rgba(255, 255, 255, 0.03);
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.25rem + 1.8vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
}
.metric-value .suffix {
  color: var(--jade-bright);
}

.metric-label {
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.45;
  font-weight: 500;
}

/* 7. ABOUT =============================================================== */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.prose p + p {
  margin-top: 1.15rem;
}
.prose p {
  color: var(--text-dim);
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.72;
}
.prose em {
  color: var(--text);
  font-style: italic;
}

.facts {
  display: grid;
  gap: 0.85rem;
}

.fact {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 1.25rem;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift),
              box-shadow 0.25s var(--swift);
}

.fact:hover {
  transform: translateY(-3px);
  border-color: var(--jade-line);
  box-shadow: var(--shadow-hover);
}

.fact i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--jade-soft);
  border: 1px solid var(--jade-line);
  color: var(--jade-bright);
  font-size: 1rem;
}

.fact h3 {
  font-size: 0.98rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.fact p {
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.55;
}

/* 8. EXPERIENCE TIMELINE ================================================= */

.timeline {
  display: grid;
  gap: 1.15rem;
  position: relative;
}

.role {
  position: relative;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding: clamp(1.4rem, 3vw, 2rem);
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift),
              box-shadow 0.25s var(--swift);
}

.role:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
}

.role-meta {
  border-right: 1px solid var(--line);
  padding-right: clamp(1rem, 2vw, 1.75rem);
}

.role-when {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.role-where {
  margin-top: 0.3rem;
  font-size: 0.83rem;
  color: var(--text-faint);
}

.role-mode {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
  font-size: 0.76rem;
  color: var(--jade-bright);
  padding: 0.25rem 0.65rem;
  background: var(--jade-soft);
  border: 1px solid var(--jade-line);
  border-radius: 999px;
  font-weight: 600;
}

.role-title {
  font-size: var(--step-1);
  margin-bottom: 0.25rem;
  color: #FFFFFF;
}

.role-org {
  font-size: 0.94rem;
  color: var(--jade-bright);
  font-weight: 600;
  margin-bottom: 1rem;
}
.role-org a:hover {
  text-decoration: underline;
}

.role-points {
  display: grid;
  gap: 0.65rem;
}

.role-points li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.62;
}

.role-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade-bright);
  box-shadow: 0 0 6px var(--jade-glow);
}

.role-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.25rem;
}

/* 9. SIRATSYNC SPOTLIGHT ================================================= */

.spotlight {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid var(--jade-line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(ellipse at top left, rgba(16, 185, 129, 0.14), transparent 60%),
    linear-gradient(135deg, rgba(14, 22, 36, 0.85), rgba(9, 14, 24, 0.95));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.7), 0 0 30px -5px var(--jade-glow);
}

.spotlight h3 {
  font-size: var(--step-2);
  margin: 0.85rem 0 0.9rem;
  color: #FFFFFF;
}

.spotlight p {
  color: var(--text-dim);
  max-width: 56ch;
  line-height: 1.7;
}

.spotlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.75rem;
}

.feature-list {
  display: grid;
  gap: 0.85rem;
}

.feature-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 0.85rem;
  align-items: start;
  font-size: 0.92rem;
  color: var(--text-dim);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  line-height: 1.5;
}
.feature-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.feature-list i {
  color: var(--jade-bright);
  font-size: 0.95rem;
  margin-top: 0.25em;
}

/* 10. PROJECTS =========================================================== */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2rem;
  padding: 0.4rem;
  border: 1px solid var(--line-glass);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
  background: rgba(14, 22, 36, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.filter {
  min-height: 38px;
  padding: 0.45rem 1.15rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s var(--swift), color 0.2s var(--swift),
              transform 0.2s var(--spring);
}

.filter:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.filter:active {
  transform: scale(0.96);
}

.filter.is-active {
  background: var(--jade);
  color: #04160E;
  box-shadow: 0 2px 12px -2px var(--jade-glow);
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.project {
  display: flex;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 1.85rem);
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift),
              box-shadow 0.25s var(--swift), opacity 0.28s var(--swift);
}

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

.project.is-out {
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
}

.project.is-hidden {
  display: none;
}

/* Featured Flagship card spans full row */
.project-featured {
  grid-column: 1 / -1;
  background:
    radial-gradient(ellipse at top right, rgba(245, 158, 11, 0.12), transparent 60%),
    linear-gradient(135deg, rgba(14, 22, 36, 0.9), rgba(12, 18, 28, 0.95));
  border-color: var(--copper-line);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.65), 0 0 30px -8px var(--copper-glow);
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-glyph {
  width: 46px;
  height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--jade-soft);
  border: 1px solid var(--jade-line);
  color: var(--jade-bright);
  font-size: 1.1rem;
}

.project-featured .project-glyph {
  background: var(--copper-soft);
  border-color: var(--copper-line);
  color: var(--copper-bright);
}

.project-title {
  font-size: var(--step-1);
  margin-bottom: 0.35rem;
  color: #FFFFFF;
}

.project-featured .project-title {
  font-size: var(--step-2);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--copper-line);
  background: var(--copper-soft);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--copper-bright);
  margin-bottom: 0.85rem;
  line-height: 1.4;
  overflow-wrap: break-word;
}

.project-role-info {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--copper-bright);
  margin-bottom: 0.65rem;
  line-height: 1.4;
}
.project-role-info i {
  font-size: 0.85em;
  opacity: 0.95;
}

.project-desc {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.65;
}

.project-featured .project-desc {
  max-width: 82ch;
  font-size: 0.96rem;
}

.project-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.module {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.025);
}

.module b {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
  color: var(--text);
}

.module span {
  font-size: 0.81rem;
  color: var(--text-faint);
  line-height: 1.45;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.25rem 0 1.45rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.plink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.6rem 1.05rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s var(--swift), border-color 0.2s var(--swift),
              color 0.2s var(--swift), transform 0.2s var(--spring);
}

.plink:hover {
  background: var(--jade-soft);
  border-color: var(--jade-line);
  color: var(--jade-bright);
  transform: translateY(-2px);
}
.plink:active {
  transform: scale(0.97);
}

.plink-solid {
  background: var(--jade);
  border-color: var(--jade);
  color: #04160E;
  box-shadow: 0 4px 14px -3px var(--jade-glow);
}
.plink-solid:hover {
  background: var(--jade-bright);
  border-color: var(--jade-bright);
  color: #04160E;
  box-shadow: 0 6px 18px -3px var(--jade-glow);
}

/* Other Sites You've Built */
.other-work {
  margin-top: 1.5rem;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--line-glass);
  border-radius: var(--r-xl);
  background: rgba(14, 22, 36, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.other-work h3 {
  font-size: var(--step-1);
  margin-bottom: 0.45rem;
  color: #FFFFFF;
}
.other-work > p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 64ch;
}

.site-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
}

.site-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 38px;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s var(--swift), color 0.2s var(--swift),
              background 0.2s var(--swift), transform 0.2s;
}
.site-list a:hover {
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
  transform: translateY(-1px);
}
.site-list a:active {
  transform: scale(0.97);
}
.site-list i {
  font-size: 0.72rem;
  opacity: 0.75;
}

/* 11. SKILLS ============================================================= */

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.15rem;
}

.skill-group {
  padding: clamp(1.3rem, 2.5vw, 1.65rem);
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift),
              box-shadow 0.25s var(--swift);
}

.skill-group:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
}

.skill-group h3 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1rem;
  padding-bottom: 0.9rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
  color: #FFFFFF;
}

.skill-group h3 i {
  color: var(--jade-bright);
  font-size: 0.95rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* 12. EDUCATION & CREDENTIALS ============================================ */

.edu-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.edu {
  padding: clamp(1.4rem, 2.5vw, 1.85rem);
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift);
}
.edu + .edu {
  margin-top: 1.15rem;
}
.edu:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
}

.edu-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.edu-head h3 {
  font-size: var(--step-1);
  color: #FFFFFF;
}

.edu-years {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--jade-bright);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.edu-org {
  color: var(--text);
  font-weight: 600;
  font-size: 0.96rem;
}
.edu-place {
  color: var(--text-faint);
  font-size: 0.84rem;
  margin-top: 0.2rem;
}
.edu-note {
  color: var(--text-dim);
  font-size: 0.91rem;
  margin: 0.95rem 0 1.15rem;
  line-height: 1.65;
}

.credential {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  padding: 1.15rem 1.3rem;
  background: var(--surface-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s var(--spring), border-color 0.25s var(--swift);
}
.credential + .credential {
  margin-top: 0.85rem;
}
.credential:hover {
  transform: translateY(-3px);
  border-color: var(--copper-line);
}

.credential i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--copper-soft);
  border: 1px solid var(--copper-line);
  color: var(--copper-bright);
  font-size: 1rem;
}

.credential h4 {
  font-size: 0.96rem;
  margin-bottom: 0.25rem;
  color: #FFFFFF;
}
.credential p {
  font-size: 0.84rem;
  color: var(--text-dim);
  line-height: 1.55;
}

/* 13. CONTACT ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.contact-line {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.35rem;
  margin-bottom: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.contact-line:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.contact-line > i {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--jade-soft);
  border: 1px solid var(--jade-line);
  color: var(--jade-bright);
  font-size: 1.05rem;
}

.contact-line h3 {
  font-size: 0.98rem;
  margin-bottom: 0.45rem;
  color: #FFFFFF;
}
.contact-line p {
  font-size: 0.89rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.mail-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}
.mail-row:last-child {
  margin-bottom: 0;
}

.mail-row a {
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-all;
  font-size: 0.88rem;
}
.mail-row a:hover {
  color: var(--jade-bright);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-faint);
  font-size: 0.85rem;
  flex: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.2s var(--swift), color 0.2s var(--swift),
              background 0.2s var(--swift), transform 0.2s;
}

.copy-btn:hover {
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
}
.copy-btn:active {
  transform: scale(0.92);
}

.copy-btn.is-done {
  color: var(--jade-bright);
  border-color: var(--jade-line);
  background: var(--jade-soft);
}

.socials {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.contact-line .socials {
  margin-top: 0.75rem;
}

.socials a {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-glass);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-dim);
  font-size: 1.05rem;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.25s var(--spring), border-color 0.2s var(--swift),
              color 0.2s var(--swift), background 0.2s var(--swift);
}

.socials a:hover {
  transform: translateY(-3px);
  border-color: var(--jade-line);
  color: var(--jade-bright);
  background: var(--jade-soft);
}
.socials a:active {
  transform: scale(0.92);
}

/* Direct-contact Reach-out Panel */
.reach-out {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background:
    radial-gradient(ellipse at top left, rgba(16, 185, 129, 0.12), transparent 60%),
    linear-gradient(135deg, rgba(14, 22, 36, 0.85), rgba(9, 14, 24, 0.95));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--jade-line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
}

.reach-out h3 {
  font-size: var(--step-2);
  margin-bottom: 0.75rem;
  color: #FFFFFF;
}

.reach-out > p {
  color: var(--text-dim);
  font-size: 0.94rem;
  max-width: 48ch;
  line-height: 1.7;
}

.reach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 1.65rem;
}

.reach-note {
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--text-faint);
  line-height: 1.62;
}

.reach-note a {
  color: var(--jade-bright);
}
.reach-note a:hover {
  text-decoration: underline;
}

/* 14. FOOTER ============================================================= */

.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding-top: clamp(3rem, 6vw, 4.5rem);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  position: relative;
  z-index: 1;
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: 2.5rem;
}

.footer-brand h2 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: #FFFFFF;
}
.footer-brand h2 span {
  color: var(--jade-bright);
}

.footer-brand p {
  color: var(--text-faint);
  font-size: 0.89rem;
  max-width: 38ch;
  margin-bottom: 1.35rem;
  line-height: 1.6;
}

.footer-col h3 {
  font-size: 0.92rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col li + li {
  margin-top: 0.65rem;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.2rem 0;
}

.footer-col a:hover {
  color: var(--jade-bright);
}
.footer-col a i {
  font-size: 0.72rem;
  opacity: 0.65;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 1.45rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--text-faint);
}

.footer-bottom nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-bottom a {
  padding: 0.35rem 0;
}
.footer-bottom a:hover {
  color: var(--jade-bright);
}

/* 15. LEGAL PAGES (privacy.html, terms.html) ============================ */

.legal {
  padding-top: calc(var(--nav-h) + clamp(2.5rem, 6vw, 4rem));
  padding-bottom: clamp(3rem, 7vw, 5rem);
  width: 100%;
}

.legal-sheet {
  max-width: 74ch;
  padding: clamp(1.75rem, 4vw, 3rem);
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
}

.legal h1 {
  font-size: var(--step-3);
  margin-bottom: 0.5rem;
  color: #FFFFFF;
}

.legal .stamp {
  color: var(--text-faint);
  font-size: 0.85rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.legal h2 {
  font-size: var(--step-1);
  margin: 2rem 0 0.6rem;
  color: #FFFFFF;
}
.legal h2:first-of-type {
  margin-top: 0;
}

.legal p {
  color: var(--text-dim);
  line-height: 1.7;
}
.legal p + p {
  margin-top: 0.8rem;
}

.legal a {
  color: var(--jade-bright);
}
.legal a:hover {
  text-decoration: underline;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  width: 100%;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--jade-bright);
}
.legal-back:hover {
  color: var(--text);
}

/* 16. TOAST ============================================================== */

.toast-stack {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: calc(clamp(1rem, 3vw, 1.75rem) + env(safe-area-inset-bottom, 0px));
  z-index: 300;
  display: grid;
  gap: 0.6rem;
  width: min(340px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.15rem;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--jade-bright);
  border-radius: var(--r-md);
  font-size: 0.89rem;
  color: var(--text);
  box-shadow: 0 18px 45px -15px rgba(0, 0, 0, 0.85);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.35s var(--spring), opacity 0.3s var(--swift);
  pointer-events: auto;
}

.toast.is-in {
  transform: translateY(0);
  opacity: 1;
}
.toast i {
  color: var(--jade-bright);
  font-size: 1rem;
}
.toast.is-error {
  border-left-color: var(--danger);
}
.toast.is-error i {
  color: var(--danger);
}

/* 17. MOTION, REVEALS & MICRO-INTERACTIONS ================================ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--swift), transform 0.75s var(--spring);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .status-dot {
    animation: none !important;
  }
}

/* 18. BREAKPOINTS & RESPONSIVE ENHANCEMENTS =============================== */

/* Tablet & Smaller Desktops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-portrait {
    order: -1;
    max-width: 260px;
    margin-inline: 0;
    aspect-ratio: 1 / 1;
  }
  .about-grid,
  .edu-grid,
  .contact-grid,
  .spotlight {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile Drawer & Small Screens (<= 860px) */
@media (max-width: 860px) {
  .nav-cta .btn {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }

  /* Full-featured mobile drawer sheet */
  .nav-list {
    position: absolute;
    top: calc(var(--nav-h) + 8px);
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.85rem;
    background: rgba(14, 22, 36, 0.95);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    backdrop-filter: blur(22px) saturate(160%);
    border: 1px solid var(--line-glass);
    border-radius: var(--r-xl);
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.95), 0 0 35px -8px var(--jade-glow);
    transform: translateY(-12px) scale(0.97);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--spring), opacity 0.25s var(--swift);
    max-height: calc(100vh - var(--nav-h) - 24px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 100;
  }

  .nav-list.is-open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    padding: 0.85rem 1.1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--r-md);
    min-height: 48px;
  }

  .nav-list a.is-active {
    background: var(--jade-soft);
    color: var(--jade-bright);
  }
  .nav-list a.is-active::after {
    left: 1.1rem;
    right: auto;
    width: 20px;
  }

  .mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding-top: 1rem;
    margin-top: 0.65rem;
    border-top: 1px solid var(--line);
  }

  .btn-mobile-resume {
    width: 100%;
    min-height: 48px;
    font-size: 0.96rem;
  }

  .mobile-socials {
    display: flex;
    justify-content: center;
    gap: 0.85rem;
  }

  .mobile-socials a {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-glass);
    border-radius: var(--r-md);
    color: var(--text-dim);
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.03);
  }

  .mobile-socials a:hover,
  .mobile-socials a:active {
    color: var(--jade-bright);
    border-color: var(--jade-line);
    background: var(--jade-soft);
  }

  /* Role Card Stack on Mobile */
  .role {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }
  .role-meta {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
    padding-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.85rem;
  }
  .role-where,
  .role-mode {
    margin-top: 0;
  }
}

/* Phablets & Mobile Phones (<= 640px) */
@media (max-width: 640px) {
  :root {
    --nav-h: 62px;
  }

  .hero-portrait {
    margin-inline: auto;
    max-width: 240px;
    aspect-ratio: 1 / 1;
    border-radius: var(--r-lg);
  }

  /* Metrics as 2x2 Glass Tile Grid */
  .metrics {
    grid-template-columns: repeat(2, 1fr);
    border-radius: var(--r-lg);
  }
  .metric:nth-child(2) {
    border-left: 1px solid var(--line);
  }
  .metric:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .metric:nth-child(4) {
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  /* Filters Horizontal Touch Slider */
  .filters {
    width: 100%;
    border-radius: var(--r-md);
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.35rem 0.45rem;
  }
  .filters::-webkit-scrollbar {
    display: none;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .spotlight-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .spotlight-actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .reach-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .reach-actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }
}

/* Extra-Narrow Mobile Devices (360px – 430px) */
@media (max-width: 430px) {
  :root {
    --gutter: 1rem;
    --r-lg: 16px;
    --r-xl: 20px;
  }

  .brand {
    font-size: 1rem;
  }

  .hero-name {
    font-size: clamp(2rem, 1.7rem + 2.5vw, 2.6rem);
  }

  .hero-role {
    font-size: 0.98rem;
  }

  .status-pill {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
  }

  .metric {
    padding: 1rem 0.9rem;
  }
  .metric-value {
    font-size: 1.6rem;
  }
  .metric-label {
    font-size: 0.76rem;
  }

  .project-top {
    flex-direction: column-reverse;
    gap: 0.75rem;
  }
  .project-glyph {
    width: 40px;
    height: 40px;
    font-size: 0.95rem;
  }

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

  .project-links {
    flex-direction: column;
    align-items: stretch;
  }
  .project-links .plink,
  .project-links .tag-lock {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .mail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .mail-row a {
    width: 100%;
  }
  .copy-btn {
    align-self: flex-start;
  }

  .toast-stack {
    left: 1rem;
    right: 1rem;
    width: calc(100vw - 2rem);
  }
}

/* Very Wide Displays (>= 1600px & 4K) */
@media (min-width: 1600px) {
  :root {
    --shell: 1260px;
  }
  .hero-grid {
    gap: 4.5rem;
  }
  .hero-portrait {
    max-width: 380px;
  }
}

@media (min-width: 2200px) {
  :root {
    --shell: 1440px;
  }
}

/* Print Styles */
@media print {
  body::before,
  .nav,
  .nav-backdrop,
  .toast-stack,
  .hero-actions,
  .project-links,
  .filters {
    display: none !important;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
  .panel,
  .role,
  .project,
  .skill-group,
  .edu,
  .spotlight,
  .reach-out {
    background: transparent !important;
    border: 1px solid #CCC !important;
    box-shadow: none !important;
    color: #000000 !important;
  }
  h1, h2, h3, h4, p, span, strong, a {
    color: #000000 !important;
  }
}