@tailwind base;
@tailwind components;
@tailwind utilities;

/* ═══════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════ */
:root {
  --bg: #080B10;
  --bg-1: #0D1117;
  --bg-2: #111820;
  --bg-card: #0F1520;
  --border: rgba(0, 245, 255, 0.10);
  --border-soft: rgba(255, 255, 255, 0.06);

  --cyan: #00F5FF;
  --cyan-dim: rgba(0, 245, 255, 0.15);
  --cyan-glow: rgba(0, 245, 255, 0.08);
  --green: #39FF14;
  --green-dim: rgba(57, 255, 20, 0.12);

  --text: #E8EDF5;
  --text-muted: #5A6478;
  --text-soft: #8892A4;

  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Space Grotesk', sans-serif;

  --radius: 4px;
  --radius-lg: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Scanline overlay for techy feel */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.03) 2px,
      rgba(0, 0, 0, 0.03) 4px);
  pointer-events: none;
  z-index: 9998;
}

/* ═══════════════════════════════════════════
   GRID OVERLAY (background decoration)
═══════════════════════════════════════════ */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
.mono {
  font-family: var(--font-mono);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.label::before {
  content: '//';
  opacity: 0.5;
}

.display-xl {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.display-lg {
  font-family: var(--font-sans);
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.025em;
}

.display-md {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.text-cyan {
  color: var(--cyan);
}

.text-green {
  color: var(--green);
}

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

.text-soft {
  color: var(--text-soft);
}

/* ═══════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════ */
.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
}

.section-sm {
  padding: 3.5rem 0;
}

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(8, 11, 16, 0.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-logo .bracket {
  color: var(--cyan);
}

.nav-logo .name {
  color: var(--text);
}

.nav-logo .dot {
  color: var(--green);
}

.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-right: 1px solid var(--border-soft);
  transition: color 0.2s, background 0.2s;
}

.nav-links li:first-child a {
  border-left: 1px solid var(--border-soft);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
  background: var(--cyan-glow);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--cyan);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 16px rgba(0, 245, 255, 0.25);
}

.nav-cta:hover {
  background: #33F8FF;
  box-shadow: 0 0 28px rgba(0, 245, 255, 0.45);
}

.nav-mob-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem;
  cursor: pointer;
  color: var(--text);
}

.mob-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-1);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mob-menu.open {
  display: flex;
}

.mob-menu a {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.mob-menu a:hover {
  color: var(--cyan);
}

.mob-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem;
  cursor: pointer;
  color: var(--text);
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-cyan {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.btn-cyan:hover {
  box-shadow: 0 0 36px rgba(0, 245, 255, 0.55);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.btn-ghost:hover {
  background: var(--cyan-glow);
  transform: translateY(-2px);
}

.btn-green {
  background: var(--green);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
}

.btn-green:hover {
  box-shadow: 0 0 36px rgba(57, 255, 20, 0.45);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   CARDS
═══════════════════════════════════════════ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  border-color: rgba(0, 245, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 32px rgba(0, 245, 255, 0.06);
}

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ═══════════════════════════════════════════
   SKILL / TECH BADGE
═══════════════════════════════════════════ */
.badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 3px;
  border: 1px solid var(--border-soft);
  color: var(--text-soft);
  background: var(--bg-2);
  white-space: nowrap;
}

.badge-cyan {
  border-color: rgba(0, 245, 255, 0.3);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.badge-green {
  border-color: rgba(57, 255, 20, 0.3);
  color: var(--green);
  background: var(--green-dim);
}

/* ═══════════════════════════════════════════
   FILTER
═══════════════════════════════════════════ */
.filter-bar {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: inline-flex;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border: none;
  border-right: 1px solid var(--border-soft);
  background: var(--bg-1);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:last-child {
  border-right: none;
}

.filter-btn:hover {
  color: var(--cyan);
  background: var(--cyan-glow);
}

.filter-btn.active {
  background: var(--cyan-dim);
  color: var(--cyan);
}

/* ═══════════════════════════════════════════
   FORM
═══════════════════════════════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.form-select option {
  background: var(--bg-2);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* ═══════════════════════════════════════════
   DIVIDER
═══════════════════════════════════════════ */
.divider {
  border: none;
  border-top: 1px solid var(--border-soft);
}

.divider-cyan {
  border-top-color: rgba(0, 245, 255, 0.2);
}

/* ═══════════════════════════════════════════
   TERMINAL BLOCK
═══════════════════════════════════════════ */
.terminal {
  background: var(--bg-1);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.terminal-bar {
  padding: 0.625rem 1rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.t-cmd {
  color: var(--cyan);
}

.t-out {
  color: var(--text-soft);
}

.t-grn {
  color: var(--green);
}

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

.t-cursor::after {
  content: '▋';
  animation: blink 1s step-end infinite;
  color: var(--cyan);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════
   STAT
═══════════════════════════════════════════ */
.stat-num {
  font-family: var(--font-sans);
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 2.5rem 0;
  background: var(--bg-1);
}

/* ═══════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes glow-pulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
  }

  50% {
    box-shadow: 0 0 40px rgba(0, 245, 255, 0.5);
  }
}

.fade-up-1 {
  animation: fadeUp 0.7s 0.05s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fade-up-2 {
  animation: fadeUp 0.7s 0.18s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fade-up-3 {
  animation: fadeUp 0.7s 0.32s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.fade-up-4 {
  animation: fadeUp 0.7s 0.46s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET  (max 1024px)
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .g-3 {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Hero: stack terminal below text */
  .hero-grid {
    grid-template-columns: 1fr !important;
  }

  .hero-terminal {
    display: none;
  }

  /* hide terminal on tablet, shown on desktop only */
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE  (max 768px)
═══════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Nav ── */
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-mob-btn {
    display: block;
  }
.grid-bg,
.site-nav{
  max-width: 767px;
  width: 100%;
  box-sizing: border-box;
}
  .site-nav {
    padding: 0 1.25rem;
    max-width: 100%;
  }

  /* ── Wrap / layout ── */
  .wrap {
    padding: 0 1.25rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  /* ── Typography ── */
  .display-xl {
    font-size: 2.5rem;
  }

  .display-lg {
    font-size: 2rem;
  }

  .display-md {
    font-size: 1.5rem;
  }

  /* ── Grids ── */
  .g-3 {
    grid-template-columns: 1fr !important;
  }

  .g-2 {
    grid-template-columns: 1fr !important;
  }

  /* ── Hero section ── */
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .hero-terminal {
    display: none !important;
  }

  /* terminal hidden on mobile */
  .hero-stats {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.25rem !important;
  }

  /* ── Sections ── */
  .section-header-flex {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
  }

  /* ── CTA bands ── */
  .cta-band {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1.25rem !important;
  }

  /* ── Filter bar ── */
  .filter-bar {
    display: flex !important;
    flex-wrap: wrap;
    border-radius: var(--radius);
  }

  .filter-btn {
    flex: 1 1 auto;
    text-align: center;
    border-right: none !important;
    border-bottom: 1px solid var(--border-soft);
  }

  .filter-bar-wrap {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start !important;
  }

  /* ── Contact page ── */
  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }

  .form-two-col {
    grid-template-columns: 1fr !important;
  }

  /* ── About page ── */
  .about-bio-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }

  .stack-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  /* ── Book page ── */
  .book-features-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  /* ── Footer ── */
  .footer-inner {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
  }

  /* ── Cards ── */
  .card {
    touch-action: manipulation;
  }

  /* ── Terminal (always hidden on mobile) ── */
  .terminal {
    font-size: 0.75rem;
  }

  .terminal-body {
    padding: 1rem 1.25rem;
    font-size: 0.75rem;
  }

  /* ── Modal ── */
  #project-modal {
    padding: 0 !important;
    align-items: flex-end !important;
  }

  #modal-inner {
    max-height: 92vh !important;
    border-radius: 16px 16px 0 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: none !important;
  }

  .modal-content-grid {
    grid-template-columns: 1fr !important;
  }

  .modal-metrics {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .modal-footer {
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  .modal-cta {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* ── Stat row ── */
  .stat-row {
    gap: 1.5rem !important;
  }

  .stat-num {
    font-size: 2rem;
  }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE  (max 400px)
═══════════════════════════════════════════ */
@media (max-width: 400px) {
  .display-xl {
    font-size: 2rem;
  }

  .wrap {
    padding: 0 1rem;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .filter-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.62rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.7rem;
  }
}


/* ═══════════════════════════════════════════
   MODAL
═══════════════════════════════════════════ */
.portfolio-item {
  cursor: pointer;
}

.portfolio-item::after {
  content: '// view project →';
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  position: absolute;
  bottom: 1rem;
  right: 1.25rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.portfolio-item {
  position: relative;
}

.portfolio-item:hover::after {
  opacity: 1;
}

#project-modal {
  transition: opacity 0.28s ease;
}

#modal-inner {
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

#gallery-prev:hover,
#gallery-next:hover {
  border-color: var(--cyan) !important;
  color: var(--cyan) !important;
}