/* =================================================================
   THABISO MAKHOBO — DEVELOPER PORTFOLIO
   Table of Contents:
   1.  Custom Properties (Design Tokens)
   2.  Reset & Base
   3.  Utilities
   4.  Ambient Background
   5.  Buttons
   6.  Glassmorphism Cards
   7.  Mobile Top Bar
   8.  Sidebar
   9.  Hero
   10. Fact Card (Education)
   11. Specializations (Services)
   12. Skills
   13. Experience
   14. Projects
   15. Contact
   16. Footer / Back-to-top
   17. Scroll Reveal Animations
   18. Responsive Breakpoints
   19. Accessibility & Reduced Motion
================================================================= */

/* ---------------------------------------------------------------
   1. CUSTOM PROPERTIES
--------------------------------------------------------------- */
:root {
  /* Surfaces */
  --bg: #09090f;
  --bg-elevated: #0e0e17;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Accent: plain black + blue, no gradients */
  --blue: #2563eb;
  --blue-dim: #1e3a8a;
  --cyan: #38bdf8;
  --sky: #7dd3fc;
  --gradient: var(--blue);
  --gradient-soft: rgba(37, 99, 235, 0.15);

  /* Text */
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1ab;
  --text-muted: #6c6c78;

  /* Type */
  --font-display: 'Bricolage Grotesque', 'Georgia', serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  /* Layout */
  --sidebar-width: 300px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --content-max: 880px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.5s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

::selection {
  background: var(--blue);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-dim); }

/* ---------------------------------------------------------------
   3. UTILITIES
--------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.section {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 120px 32px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  margin-bottom: 48px;
  max-width: 20ch;
}

.section-subtitle {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  margin-bottom: 32px;
}

/* ---------------------------------------------------------------
   4. AMBIENT BACKGROUND
--------------------------------------------------------------- */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.glow {
  display: none;
}

.glow--one {
  width: 620px;
  height: 620px;
  top: -200px;
  left: 20%;
  background: radial-gradient(circle, var(--blue), transparent 70%);
  animation: drift 22s ease-in-out infinite alternate;
}

.glow--two {
  width: 560px;
  height: 560px;
  bottom: -220px;
  right: -100px;
  background: radial-gradient(circle, var(--cyan), transparent 70%);
  animation: drift 26s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(60px, 40px) scale(1.15); }
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------------------------------------------------------
   5. BUTTONS
--------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}

.btn--gradient {
  background: var(--gradient);
  color: #fff;
}
.btn--gradient:hover {
  transform: translateY(-2px);
}

.btn--outline {
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  background: var(--surface);
}
.btn--outline:hover {
  border-color: var(--blue);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  padding: 9px 16px;
}
.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--blue);
}

.btn--disabled {
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 9px 16px;
  cursor: not-allowed;
}

.btn--sm {
  padding: 9px 16px;
  font-size: 0.82rem;
}

.btn--block {
  width: 100%;
}

/* ---------------------------------------------------------------
   6. GLASSMORPHISM CARDS
--------------------------------------------------------------- */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 28px;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.glass-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

/* ---------------------------------------------------------------
   7. MOBILE TOP BAR
--------------------------------------------------------------- */
.mobile-bar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(9, 9, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.mobile-bar__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}
.mobile-bar__brand span { color: var(--cyan); }

.mobile-bar__toggle {
  width: 36px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.mobile-bar__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.mobile-bar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(14px) rotate(45deg); }
.mobile-bar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-bar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-14px) rotate(-45deg); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease);
}

/* ---------------------------------------------------------------
   8. SIDEBAR
--------------------------------------------------------------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  padding: 40px 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
}

.sidebar__profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.avatar {
  position: relative;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  margin-bottom: 12px;
}

.avatar__img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 1;
}

.avatar__ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 3px;
  animation: spin 6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.sidebar__name {
  font-size: 1.2rem;
}

.sidebar__title {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  color: #8ef0b5;
  background: rgba(52, 211, 153, 0.08);
}

.status-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.sidebar__nav ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

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

.nav-link:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.nav-link.is-active {
  color: var(--text-primary);
  background: var(--gradient-soft);
}
.nav-link.is-active .nav-index {
  color: var(--cyan);
}

.sidebar__card {
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sidebar__card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sidebar__card-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.sidebar__socials {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: auto;
  flex-wrap: wrap;
}

.social-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all var(--dur-fast) var(--ease);
}

.social-icon:hover {
  color: #fff;
  border-color: transparent;
  background: var(--gradient);
  transform: translateY(-3px);
}

/* ---------------------------------------------------------------
   8b. MAIN CONTENT OFFSET (accounts for the fixed sidebar)
--------------------------------------------------------------- */
main,
.footer {
  margin-left: var(--sidebar-width);
}

/* ---------------------------------------------------------------
   9. HERO
--------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: 80px;
  max-width: 1180px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.eyebrow__bracket { color: var(--blue); margin: 0 6px; }

.hero__name {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 18px;
}

.hero__role {
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  margin-bottom: 8px;
}

.hero__role-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--font-display);
  font-weight: 700;
}

.hero__subrole {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero__desc {
  max-width: 55ch;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero__desc strong {
  color: var(--sky);
  font-weight: 600;
}

.hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.location-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  color: var(--text-secondary);
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero__actions--secondary {
  margin-bottom: 56px;
}
.hero__actions--secondary .btn svg {
  flex-shrink: 0;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 32px;
}

.stat__value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat__label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Hero visual: portrait frame + floating chips + terminal card */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.portrait-frame {
  position: relative;
  z-index: 0;
  width: 300px;
  height: 400px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.portrait-frame__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.55));
}

.portrait-frame__grid {
  display: none;
}

.floating-chip {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 24px -8px rgba(0,0,0,0.5);
  animation: floaty 5s ease-in-out infinite;
}
.floating-chip--1 { top: 8%; left: -4%; color: #93c5fd; animation-delay: 0s; }
.floating-chip--2 { top: 46%; right: -4%; color: #67e8f9; animation-delay: 1.2s; }
.floating-chip--3 { bottom: 12%; left: -5%; color: #7dd3fc; animation-delay: 2.4s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.terminal-card {
  position: absolute;
  bottom: -50px;
  right: -30px;
  width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  overflow: hidden;
}

.terminal-card__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.terminal-card__bar span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted);
}
.terminal-card__bar span:nth-child(1) { background: #ff5f56; }
.terminal-card__bar span:nth-child(2) { background: #ffbd2e; }
.terminal-card__bar span:nth-child(3) { background: #27c93f; }
.terminal-card__bar p {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.terminal-card__body {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: #93c5fd;
  white-space: pre-wrap;
  min-height: 130px;
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--cyan);
}
@keyframes blink {
  50% { opacity: 0; }
}

.scroll-cue {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--border-strong);
  border-radius: 100px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--cyan);
  animation: scrollcue 1.6s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ---------------------------------------------------------------
   10. FACT CARD (used by Education)
--------------------------------------------------------------- */
.fact-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.fact-card__value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 8px 0 4px;
}
.fact-card__meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.education-card {
  max-width: 560px;
}
.education-card__achievements {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.education-card__achievements li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}
.education-card__achievements li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* ---------------------------------------------------------------
   11. SPECIALIZATIONS (SERVICES)
--------------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  color: var(--cyan);
  margin-bottom: 18px;
}

.service-card__title {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

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

/* ---------------------------------------------------------------
   12. SKILLS
--------------------------------------------------------------- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-group__title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.skill-group__title--spaced { margin-top: 28px; }

.skill-group--tools {
  grid-column: span 1;
}

.tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--dur-fast) var(--ease);
}
.tool-chip:hover {
  border-color: var(--blue);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ---------------------------------------------------------------
   13. EXPERIENCE
--------------------------------------------------------------- */
.experience-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.experience-card__role {
  font-size: 1.2rem;
}

.experience-card__company {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

.experience-card__duration {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  border: 1px solid var(--border-strong);
  padding: 6px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.experience-card__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.experience-card__list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}
.experience-card__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

.experience-card__quote {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-left: 2px solid var(--blue);
  padding-left: 16px;
}

/* ---------------------------------------------------------------
   14. PROJECTS
--------------------------------------------------------------- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-card__media {
  height: 140px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  background: var(--gradient-soft);
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.project-card__media::after {
  content: attr(data-code);
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(255,255,255,0.08);
}

.project-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.project-card__subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

.project-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.project-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.project-card__features li {
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 10px;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tech-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  border-radius: 100px;
  background: rgba(37, 99, 235, 0.14);
  color: #93c5fd;
}

.project-card__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.project-card--empty {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  gap: 8px;
  color: var(--text-muted);
}
.project-card__empty-icon {
  font-size: 2rem;
  color: var(--text-muted);
  font-family: var(--font-display);
}

.project-card__pending-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--sky);
  border: 1px dashed var(--border-strong);
  border-radius: 100px;
  padding: 5px 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Native <details>/<summary> accordion for per-project technical depth */
.project-details {
  margin-bottom: 20px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.project-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  list-style: none;
}
.project-details summary::-webkit-details-marker { display: none; }
.project-details summary:hover { color: var(--text-primary); }
.project-details .chevron {
  transition: transform var(--dur-fast) var(--ease);
}
.project-details[open] summary .chevron {
  transform: rotate(180deg);
}
.project-details__body {
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-details__body h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cyan);
}
.project-details__body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.project-details__body ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.project-details__body ul li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
}
.project-details__body ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* MOS flagship spotlight */
.project-spotlight {
  position: relative;
  margin-bottom: 24px;
  border-color: var(--border-strong);
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.1), rgba(56, 189, 248, 0.04));
}

.project-spotlight__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--gradient);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.project-spotlight__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.project-spotlight__desc {
  color: var(--text-secondary);
  max-width: 65ch;
  margin-bottom: 28px;
}

.project-spotlight__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}

.feature-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}
.feature-chip span:first-child {
  font-size: 1.1rem;
}
.feature-chip--future {
  border-style: dashed;
  color: var(--text-secondary);
}

.project-spotlight__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.project-spotlight__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.project-spotlight__meta h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cyan);
  margin-bottom: 8px;
}
.project-spotlight__meta p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ---------------------------------------------------------------
   15. CONTACT
--------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  transition: all var(--dur-fast) var(--ease);
}
.contact-item:hover {
  border-color: var(--blue);
  background: var(--surface);
  transform: translateX(4px);
}
.contact-item--static:hover {
  transform: none;
  border-color: var(--border);
  background: none;
}

.contact-item__icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.contact-item__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact__cv-btn {
  margin-top: 12px;
}

.contact-form__field {
  margin-bottom: 18px;
}
.contact-form__field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.contact-form__field input,
.contact-form__field textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  resize: vertical;
  transition: border-color var(--dur-fast) var(--ease);
}
.contact-form__field input:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.contact-form__status {
  margin-top: 14px;
  font-size: 0.82rem;
  color: #8ef0b5;
  min-height: 1em;
}

/* ---------------------------------------------------------------
   16. FOOTER / BACK-TO-TOP
--------------------------------------------------------------- */
.footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 60px 32px 100px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer__main {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.footer__sub {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 16px;
}
.footer__year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--dur-fast) var(--ease);
  z-index: 80;
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

/* ---------------------------------------------------------------
   17. SCROLL REVEAL ANIMATIONS
--------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------------
   18. RESPONSIVE BREAKPOINTS
--------------------------------------------------------------- */
@media (max-width: 1100px) {
  .mobile-bar { display: flex; }

  .sidebar {
    left: -100%;
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
    transition: left var(--dur-med) var(--ease);
    padding-top: 88px;
  }
  .sidebar[data-state="open"] {
    left: 0;
  }
  .sidebar[data-state="open"] ~ .sidebar-overlay,
  #sidebarOverlay.is-visible {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  main, .footer {
    margin-left: 0;
    padding-top: 64px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__visual {
    order: -1;
    min-height: 320px;
    margin-bottom: 20px;
  }
  .terminal-card { display: none; }
  .floating-chip--1, .floating-chip--2, .floating-chip--3 { display: none; }

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

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

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

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

@media (max-width: 680px) {
  .section { padding: 90px 20px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .experience-card__list { grid-template-columns: 1fr; }
  .services__grid,
  .skills__grid {
    grid-template-columns: 1fr;
  }
  .project-spotlight__features {
    grid-template-columns: 1fr;
  }
  .experience-card__head { flex-direction: column; }
}

/* ---------------------------------------------------------------
   19. ACCESSIBILITY & REDUCED MOTION
--------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}