/* ============================================
   AYMAN ATIF PORTFOLIO | css/styles.css
   Dark mode · JetBrains Mono + Inter
   ============================================ */

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

:root {
  /* Color palette */
  --void: #030508;
  --abyss: #080b10;
  --surface: #0d1117;
  --surface-2: #111827;
  --surface-3: #1a2233;
  --border: rgba(255,255,255,0.06);
  --border-glow: rgba(0, 229, 255, 0.2);

  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.12);
  --cyan-glow: rgba(0, 229, 255, 0.4);
  --violet: #7c3aed;
  --violet-dim: rgba(124, 58, 237, 0.15);
  --violet-glow: rgba(124, 58, 237, 0.4);
  --emerald: #10b981;

  --text-primary: #f0f6ff;
  --text-secondary: #8b9ab4;
  --text-muted: #4a5568;
  --text-code: #a8d8e8;

  /* Typography */
  --font-display: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Misc */
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--void);
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fallback for touch devices */
@media (hover: none) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

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

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

ul { list-style: none; }

/* ── Custom Cursor ── */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  will-change: transform;
}

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(0, 229, 255, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s, border-color 0.4s;
  will-change: transform;
}

.cursor-dot.hover {
  width: 10px; height: 10px;
  background: var(--violet);
}

.cursor-ring.hover {
  width: 52px; height: 52px;
  border-color: rgba(124, 58, 237, 0.5);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 var(--space-lg);
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(3, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

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

.logo-bracket {
  color: var(--cyan);
  opacity: 0.7;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width var(--transition);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-link[aria-current="page"] {
  color: var(--text-primary);
}

.nav-link[aria-current="page"]::after {
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 0.45rem 1rem;
  border-radius: 6px;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Sections ── */
.section {
  padding: var(--space-3xl) 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.label-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  opacity: 0.7;
}

.label-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.section-heading em {
  font-style: normal;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Animation system ── */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--void);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.6;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px var(--space-lg) var(--space-xl);
  max-width: 760px;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.eyebrow-line {
  display: block;
  width: 40px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.eyebrow-line:last-child {
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Avatar */
.avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: var(--space-lg);
}

.avatar-img {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 2px solid var(--border-glow);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.avatar-img svg {
  width: 70px; height: 70px;
}

.avatar-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 116px; height: 116px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.2);
  animation: pulse-ring 3s ease-in-out infinite;
}

.avatar-ring--2 {
  width: 136px; height: 136px;
  border-color: rgba(124, 58, 237, 0.1);
  animation-delay: 1.5s;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.04); }
}

/* Name */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.name-line {
  display: block;
  color: var(--text-primary);
}

.name-line--accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Title bar */
.hero-title-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 1rem;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.05em;
}

.title-cursor {
  color: var(--cyan);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Tagline */
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.tagline-break { display: block; }

/* Action buttons */
.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* Buttons */
.btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  border: none;
  cursor: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #00b4d8 100%);
  color: var(--void);
  font-weight: 700;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  position: relative;
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--violet-dim), var(--cyan-dim));
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.btn-ghost:hover .btn-glow { opacity: 1; }
.btn-ghost:hover {
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(13, 17, 23, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-plus {
  color: var(--cyan);
  font-size: 1rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: opacity var(--transition);
}

.hero-scroll-hint:hover { opacity: 0.7; }

.hero-scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
}

@keyframes scroll-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 50%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-bio:last-child { margin-bottom: 0; }

.about-bio strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Stack */
.stack-heading {
  margin-bottom: var(--space-sm);
}

.stack-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-lg);
}

.stack-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  transition: all var(--transition);
  letter-spacing: 0.03em;
}

.stack-item:hover {
  background: rgba(0, 229, 255, 0.2);
  border-color: rgba(0, 229, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 229, 255, 0.15);
}

.practices-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.practice-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.practice-item:last-child { border-bottom: none; }

.practice-icon {
  color: var(--violet);
  font-size: 0.65rem;
  flex-shrink: 0;
}

/* ============================================
   GUMROAD CTA
   ============================================ */
.gumroad-cta {
  background: var(--void);
  position: relative;
}

.cta-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(0, 229, 255, 0.04) 0%,
    rgba(124, 58, 237, 0.06) 100%);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--cyan));
  background-size: 200% 100%;
  animation: border-sweep 4s linear infinite;
}

@keyframes border-sweep {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

.cta-glow {
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.cta-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 420px;
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-xl);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.cta-feature span {
  color: var(--cyan);
  font-weight: 700;
}

.btn-gumroad {
  background: linear-gradient(135deg, var(--violet) 0%, #9d4edd 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.3);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-gumroad:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(124, 58, 237, 0.55);
}

.btn-arrow {
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.btn-gumroad:hover .btn-arrow {
  transform: translate(3px, -3px);
}

/* Code block */
.cta-visual {
  display: flex;
  justify-content: center;
}

.cta-code-block {
  width: 100%;
  max-width: 340px;
  background: var(--abyss);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

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

.code-dot--red { background: #ff5f57; }
.code-dot--yellow { background: #febc2e; }
.code-dot--green { background: #28c840; }

.code-filename {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.code-content {
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  overflow-x: auto;
}

code {
  font-family: inherit;
}

.code-kw { color: var(--violet); }
.code-fn { color: var(--cyan); }
.code-comment { color: var(--text-muted); }

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: -200px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--space-2xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.contact-card--whatsapp::before { background: rgba(37, 211, 102, 0.06); }
.contact-card--email::before { background: rgba(0, 229, 255, 0.06); }
.contact-card--linkedin::before { background: rgba(10, 102, 194, 0.08); }

.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.12);
}

.contact-card:hover::before { opacity: 1; }

.contact-card--whatsapp:hover { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.1); }
.contact-card--email:hover { box-shadow: 0 10px 30px rgba(0, 229, 255, 0.1); }
.contact-card--linkedin:hover { box-shadow: 0 10px 30px rgba(10, 102, 194, 0.1); }

.contact-card-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-card--whatsapp .contact-card-icon {
  color: #25d366;
  background: rgba(37, 211, 102, 0.12);
}

.contact-card--email .contact-card-icon {
  color: var(--cyan);
  background: var(--cyan-dim);
}

.contact-card--linkedin .contact-card-icon {
  color: #0a66c2;
  background: rgba(10, 102, 194, 0.12);
}

.contact-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.contact-card-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-card-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-card-arrow {
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--transition);
  flex-shrink: 0;
}

.contact-card:hover .contact-card-arrow {
  transform: translate(3px, -3px);
  color: var(--text-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border);
  background: var(--void);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copy,
.footer-stack {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   PRODUCTS & BLOG PAGES
   ============================================ */
.page-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--void);
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 229, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(124, 58, 237, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at center, black 40%, transparent 100%);
}

.page-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 100px var(--space-lg);
  max-width: 680px;
}

.page-overline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-md);
  display: block;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 100px;
  padding: 0.5rem 1.2rem;
  margin-bottom: var(--space-lg);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

.page-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.page-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  transition: all var(--transition);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-back:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
  transform: translateX(-3px);
}

.page-placeholder-cards {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.placeholder-card {
  width: 200px; height: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.placeholder-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-dim), var(--violet-dim));
  opacity: 0;
  transition: opacity var(--transition);
}

.placeholder-card:hover::before { opacity: 1; }

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-page {
  padding-top: 68px;
}

.about-page-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: var(--void);
  overflow: hidden;
}

.about-page-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.about-page-hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3xl);
  align-items: center;
}

.about-page-hero-label {
  margin-bottom: var(--space-md);
}

.about-page-title {
  margin: 0 0 var(--space-md);
}

.about-page-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-primary);
}

.about-page-role {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-sm);
}

.about-page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.about-page-meta-dot {
  opacity: 0.5;
}

.about-page-meta-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.about-page-meta-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.about-page-meta-link:hover {
  color: var(--text-primary);
}

.about-page-avatar {
  margin-bottom: 0;
}

.about-page-hero-visual {
  display: flex;
  justify-content: center;
}

.about-page-body {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 40%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.about-page-body::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.about-page-body--alt {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 55%, var(--void) 100%);
}

.about-page-body--alt::before {
  left: -120px;
  right: auto;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, transparent 70%);
}

.glass-card {
  position: relative;
  background: rgba(13, 17, 23, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.glass-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.35), rgba(124, 58, 237, 0.35), transparent);
  pointer-events: none;
  opacity: 0.9;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
}

.about-page-summary .section-heading {
  margin-bottom: var(--space-lg);
}

.about-page-section-heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

.about-page-lead {
  font-size: 1.1rem;
}

.about-exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.about-exp-card .about-exp-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.about-exp-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.about-exp-role {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.about-exp-dates {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.about-exp-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-exp-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  padding-left: 1rem;
  position: relative;
}

.about-exp-list li::before {
  content: '\203A';
  position: absolute;
  left: 0;
  color: var(--violet);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  top: 0.1rem;
}

.about-exp-list strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.about-skill-block {
  padding: var(--space-lg);
}

.about-skill-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.about-skill-tags {
  margin-bottom: 0;
}

.about-skill-tags .stack-item {
  font-size: 0.72rem;
}

.about-now-card {
  max-width: 720px;
}

.about-now-heading {
  margin-bottom: var(--space-md);
}

.about-now-lead {
  margin-bottom: var(--space-sm);
}

.about-now-muted {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.about-page-contact {
  scroll-margin-top: 80px;
}

.about-contact-grid {
  margin-bottom: var(--space-xl);
}

.about-gumroad-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.about-gumroad-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.about-page-back-wrap {
  margin: 0;
}

/* ============================================
   BLOG INDEX & ARTICLES
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.blog-index {
  padding-top: 68px;
}

.blog-index-hero {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: flex-end;
  background: var(--void);
  overflow: hidden;
  padding-bottom: var(--space-xl);
}

.blog-index-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl) 0 0;
  max-width: 720px;
}

.blog-index-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-primary) 35%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-index-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 540px;
  margin: 0;
}

.blog-index-list {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 45%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.blog-index-list::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -100px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-lg);
  text-align: left;
  background: rgba(13, 17, 23, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.blog-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.35), rgba(124, 58, 237, 0.3), transparent);
  pointer-events: none;
  opacity: 0.85;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.22);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(0, 229, 255, 0.08),
    0 0 60px rgba(124, 58, 237, 0.06);
}

.blog-card-tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.18);
  padding: 0.28rem 0.65rem;
  border-radius: 4px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm);
  transition: color var(--transition);
}

.blog-card:hover .blog-card-title {
  color: var(--text-primary);
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0 0 var(--space-md);
  flex: 1;
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

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

.blog-card-dot {
  opacity: 0.45;
}

.blog-card-read {
  color: var(--text-secondary);
}

/* Article page */
.blog-article {
  padding-top: 68px;
}

.blog-article-hero {
  position: relative;
  min-height: auto;
  background: var(--void);
  overflow: hidden;
  padding-bottom: var(--space-xl);
}

.blog-article-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--space-xl) 0 var(--space-lg);
  max-width: 820px;
}

.blog-article-back {
  margin: 0 0 var(--space-md);
}

.page-back--inline {
  display: inline-flex;
}

.blog-article-meta-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.blog-article-meta-line {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.blog-article-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text-primary);
  margin: 0;
}

.blog-article-body {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 50%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.blog-article-body::before {
  content: '';
  position: absolute;
  bottom: 15%;
  left: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.blog-prose {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.blog-prose > *:first-child {
  margin-top: 0;
}

.blog-lead {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  font-weight: 500;
}

.blog-prose h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: var(--space-xl) 0 var(--space-md);
  line-height: 1.2;
}

.blog-prose p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 var(--space-md);
}

.blog-prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.blog-prose a:hover {
  color: var(--text-primary);
}

.blog-code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--text-code);
  background: var(--surface-2);
  padding: 0.12em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.blog-list {
  margin: 0 0 var(--space-lg);
  padding-left: 1.15rem;
  list-style: disc;
  color: var(--text-secondary);
}

.blog-list li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
  font-size: 1.02rem;
}

.blog-list li::marker {
  color: var(--violet);
}

.blog-figures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin: var(--space-xl) 0 var(--space-md);
}

.blog-figure {
  margin: 0;
}

.blog-figure-frame {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(145deg, rgba(13, 17, 23, 0.9) 0%, rgba(26, 34, 51, 0.85) 100%),
    radial-gradient(ellipse at 30% 20%, rgba(0, 229, 255, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.blog-figure-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.04), rgba(124, 58, 237, 0.05));
  pointer-events: none;
}

.blog-figure-frame--media {
  padding: 0;
  display: block;
  position: relative;
}

.blog-figure-frame--media::before {
  opacity: 0.35;
}

.blog-figure-frame--media img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.blog-figure-frame--secondary {
  background:
    linear-gradient(145deg, rgba(8, 11, 16, 0.95) 0%, rgba(17, 24, 39, 0.9) 100%),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.04) 0%, transparent 45%);
}

.blog-figure-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.blog-figure-hint {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 220px;
  line-height: 1.5;
}

.blog-figure-caption {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: var(--space-sm);
}

.blog-article-footer-nav {
  text-align: center;
  margin: var(--space-2xl) 0 0;
  position: relative;
  z-index: 1;
}

/* ============================================
   LIGHTBOX (image enlarge)
   ============================================ */
.lightbox-trigger {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: none;
  text-align: left;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.lightbox-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.lightbox-trigger:hover .blog-figure-frame {
  border-color: rgba(0, 229, 255, 0.22);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 32px rgba(0, 229, 255, 0.08);
}

.lightbox-trigger:active {
  transform: scale(0.995);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  padding-top: max(var(--space-lg), env(safe-area-inset-top));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 8, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: none;
}

.lightbox__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-sm);
  max-width: min(96vw, 1440px);
  max-height: min(92vh, 1200px);
  margin: auto;
}

.lightbox__close {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.lightbox__close:hover {
  color: var(--text-primary);
  border-color: rgba(0, 229, 255, 0.35);
  background: rgba(0, 229, 255, 0.08);
}

.lightbox__img {
  align-self: center;
  display: block;
  max-width: 100%;
  max-height: min(85vh, 1100px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.65);
}

body.lightbox-open {
  overflow: hidden;
}

@media (hover: none) {
  .lightbox-trigger,
  .lightbox__backdrop,
  .lightbox__close {
    cursor: pointer;
  }
}

/* ============================================
   PRODUCT CATALOG & DETAIL
   ============================================ */
.product-catalog {
  padding-top: 68px;
}

.product-catalog-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  background: var(--void);
  overflow: hidden;
  padding-bottom: var(--space-lg);
}

.product-catalog-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl) 0 0;
  max-width: 720px;
}

.product-catalog-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-primary) 35%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-catalog-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 560px;
  margin: 0;
}

.product-catalog-toolbar {
  position: sticky;
  top: 68px;
  z-index: 50;
  background: rgba(3, 5, 8, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) 0;
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.product-filter-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  cursor: none;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.product-filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
}

.product-filter-btn.is-active {
  color: var(--cyan);
  border-color: rgba(0, 229, 255, 0.35);
  background: var(--cyan-dim);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.12);
}

.product-catalog-grid {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 45%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.product-catalog-grid::before {
  content: '';
  position: absolute;
  top: 15%;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.product-catalog-empty {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: rgba(13, 17, 23, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.3), rgba(124, 58, 237, 0.28), transparent);
  pointer-events: none;
  z-index: 2;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.2);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.45),
    0 0 36px rgba(0, 229, 255, 0.07),
    0 0 48px rgba(124, 58, 237, 0.05);
}

.product-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--abyss);
  border-bottom: 1px solid var(--border);
}

.product-card__visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 229, 255, 0.06) 0%, transparent 55%);
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
}

.product-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.18);
  padding: 0.28rem 0.65rem;
  border-radius: 4px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.product-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm);
}

.product-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0 0 var(--space-lg);
  flex: 1;
}

.product-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: auto;
}

.product-card__btn {
  flex: 1 1 auto;
  min-width: 140px;
  justify-content: center;
}

/* Product detail page */
.product-detail {
  padding-top: 68px;
}

.product-detail-hero {
  position: relative;
  background: var(--void);
  overflow: hidden;
  padding-bottom: var(--space-xl);
}

.product-detail-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--space-xl) 0 var(--space-lg);
  max-width: 820px;
}

.product-detail-hero-tag {
  margin-bottom: var(--space-md);
}

.product-detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin: 0 0 var(--space-md);
}

.product-detail-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 640px;
  margin: 0 0 var(--space-xl);
}

.product-detail-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.product-detail-section {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 42%, var(--void) 100%);
  position: relative;
  overflow: hidden;
}

.product-detail-section::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -100px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.product-detail-section--alt {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 55%, var(--void) 100%);
}

.product-detail-section--alt::before {
  left: auto;
  right: -100px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
}

.product-detail-panel {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.product-detail-heading {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

.product-detail-subheading {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: var(--space-lg) 0 var(--space-sm);
}

.product-detail-text {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 var(--space-md);
}

.product-detail-text:last-child {
  margin-bottom: 0;
}

.product-detail-section-title {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-xl);
}

.product-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.product-feature-card {
  padding: var(--space-lg);
}

.product-feature-card--wide {
  grid-column: 1 / -1;
}

.product-feature-icon {
  display: block;
  font-size: 0.65rem;
  color: var(--violet);
  margin-bottom: var(--space-sm);
}

.product-feature-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.product-feature-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

.product-screens {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.product-screens--triple {
  grid-template-columns: repeat(3, 1fr);
}

.product-screen {
  margin: 0;
}

.product-screen-frame {
  min-height: 200px;
}

.product-detail-cta {
  background: linear-gradient(180deg, var(--void) 0%, var(--abyss) 100%);
  position: relative;
}

.product-detail-cta-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.product-detail-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 var(--space-md);
}

.product-detail-cta-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--space-xl);
}

.product-detail-cta-btn {
  justify-content: center;
}

.product-detail-footer-nav {
  text-align: center;
  margin: var(--space-2xl) 0 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .cta-card {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .cta-visual {
    order: -1;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
    --space-xl: 2.5rem;
  }

  .nav { padding: 0 var(--space-sm); }

  .nav-toggle {
    display: flex;
    z-index: 200;
  }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 280px; height: 100vh;
    background: var(--abyss);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px var(--space-lg) var(--space-lg);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link, .nav-cta {
    font-size: 0.95rem;
  }

  .hero-content {
    padding: 100px var(--space-sm) var(--space-lg);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .stat-divider {
    width: 60px; height: 1px;
  }

  .tagline-break { display: none; }

  .container { padding: 0 var(--space-sm); }

  .cta-card { padding: var(--space-xl) var(--space-md); }

  .footer-inner { flex-direction: column; text-align: center; }

  .page-placeholder-cards { flex-direction: column; align-items: center; }

  .about-page-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-page-meta-links {
    align-items: center;
  }

  .about-page-hero-visual {
    order: -1;
  }

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

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

  .about-gumroad-cta {
    align-items: center;
    text-align: center;
  }

  .about-page-back-wrap {
    text-align: center;
  }

  .blog-figures {
    grid-template-columns: 1fr;
  }

  .blog-index-hero {
    min-height: auto;
    padding-bottom: var(--space-lg);
  }

  .blog-index-hero-inner {
    padding-top: var(--space-xl);
  }

  .blog-prose {
    padding: var(--space-lg) var(--space-md);
  }

  .product-catalog-hero {
    min-height: auto;
    padding-bottom: var(--space-md);
  }

  .product-catalog-hero-inner {
    padding-top: var(--space-xl);
  }

  .product-catalog-toolbar {
    top: 68px;
  }

  .product-feature-grid {
    grid-template-columns: 1fr;
  }

  .product-feature-card--wide {
    grid-column: auto;
  }

  .product-screens {
    grid-template-columns: 1fr;
  }

  .product-card__actions {
    flex-direction: column;
  }

  .product-card__btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-name { font-size: 3rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .cta-code-block { display: none; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }

  html { scroll-behavior: auto; }
}