/* ═══════════════════════════════════════════════════════════
   ai2n.dev — Premium SaaS Design System
   Glassmorphism + Neon Accents + Animated Mesh Background
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  /* Dark theme by default */
  --color-bg: #0a0a0f;
  --color-bg-end: #0f0f1a;
  --color-surface: rgba(255, 255, 255, 0.05);
  --color-surface-strong: rgba(255, 255, 255, 0.08);
  --color-surface-soft: rgba(255, 255, 255, 0.03);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.15);
  --color-accent: #7b2ff7;
  --color-accent-2: #00d4ff;
  --color-accent-soft: rgba(123, 47, 247, 0.15);
  --color-accent-2-soft: rgba(0, 212, 255, 0.12);
  --color-text: #e8e8f0;
  --color-text-muted: #8888aa;
  --color-text-subtle: #555570;
  --gradient-accent: linear-gradient(135deg, #7b2ff7, #00d4ff);
  --gradient-accent-reverse: linear-gradient(135deg, #00d4ff, #7b2ff7);
  --gradient-surface: linear-gradient(135deg, rgba(123, 47, 247, 0.08), rgba(0, 212, 255, 0.05));
  --header-bg: rgba(10, 10, 15, 0.72);
  --glow-accent: 0 0 20px rgba(123, 47, 247, 0.3);
  --glow-accent-2: 0 0 20px rgba(0, 212, 255, 0.3);
  --glow-card: 0 0 40px rgba(123, 47, 247, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 12px 26px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 20px 50px rgba(123, 47, 247, 0.15);
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.15);

  --max-width: 1200px;
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-base: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-display: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

html[data-theme="light"] {
  --color-bg: #f0f0f8;
  --color-bg-end: #e8e8f4;
  --color-surface: rgba(255, 255, 255, 0.65);
  --color-surface-strong: rgba(255, 255, 255, 0.82);
  --color-surface-soft: rgba(255, 255, 255, 0.4);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.15);
  --color-accent: #6520d9;
  --color-accent-2: #0099cc;
  --color-accent-soft: rgba(101, 32, 217, 0.1);
  --color-accent-2-soft: rgba(0, 153, 204, 0.08);
  --color-text: #1a1a2e;
  --color-text-muted: #666680;
  --color-text-subtle: #9999aa;
  --gradient-accent: linear-gradient(135deg, #6520d9, #0099cc);
  --gradient-accent-reverse: linear-gradient(135deg, #0099cc, #6520d9);
  --gradient-surface: linear-gradient(135deg, rgba(101, 32, 217, 0.06), rgba(0, 153, 204, 0.04));
  --header-bg: rgba(240, 240, 248, 0.72);
  --glow-accent: 0 0 20px rgba(101, 32, 217, 0.2);
  --glow-accent-2: 0 0 20px rgba(0, 153, 204, 0.2);
  --glow-card: 0 0 40px rgba(101, 32, 217, 0.06);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.1);
  --shadow-soft: 0 12px 26px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 20px 50px rgba(101, 32, 217, 0.1);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.12);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.4s ease, color 0.4s ease;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

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

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

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

/* ── Animated Mesh Gradient Background ── */
.page-shell {
  min-height: 100vh;
  overflow: clip;
  position: relative;
}

.page-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(123, 47, 247, 0.12), transparent),
    radial-gradient(ellipse 60% 80% at 90% 80%, rgba(0, 212, 255, 0.1), transparent),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(123, 47, 247, 0.04), transparent);
  animation: meshMove 20s ease-in-out infinite alternate;
}

html[data-theme="light"] .page-shell::before {
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(101, 32, 217, 0.08), transparent),
    radial-gradient(ellipse 60% 80% at 90% 80%, rgba(0, 153, 204, 0.06), transparent),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(101, 32, 217, 0.03), transparent);
}

@keyframes meshMove {
  0% {
    background-position: 0% 0%, 100% 100%, 50% 50%;
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.05) rotate(1deg);
  }
  100% {
    background-position: 20% 40%, 80% 20%, 30% 70%;
    transform: scale(1) rotate(-1deg);
  }
}

/* Floating particles (pure CSS) */
.page-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(123, 47, 247, 0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 40% 70%, rgba(0, 212, 255, 0.25) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 60% 15%, rgba(123, 47, 247, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 80% 55%, rgba(0, 212, 255, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 15% 80%, rgba(123, 47, 247, 0.15) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 70% 85%, rgba(0, 212, 255, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 90% 25%, rgba(123, 47, 247, 0.18) 50%, transparent 50%),
    radial-gradient(1px 1px at 50% 50%, rgba(0, 212, 255, 0.15) 50%, transparent 50%);
  background-size: 300px 300px, 400px 400px, 350px 350px, 250px 250px, 450px 450px, 320px 320px, 280px 280px, 500px 500px;
  animation: particleFloat 30s linear infinite;
  pointer-events: none;
  opacity: 0.6;
}

@keyframes particleFloat {
  0% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-15px) translateX(10px); }
  50% { transform: translateY(-5px) translateX(-8px); }
  75% { transform: translateY(-20px) translateX(5px); }
  100% { transform: translateY(0) translateX(0); }
}

/* ── Container ── */
.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

/* ── Header / Navigation ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  transition: opacity 0.3s ease;
}

.brand:hover { opacity: 0.8; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: var(--glow-accent);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.top-nav a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.3s ease;
}

.top-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.top-nav a:hover,
.top-nav a.is-current {
  color: var(--color-text);
}

.top-nav a:hover::after,
.top-nav a.is-current::after {
  transform: scaleX(1);
}

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

/* Theme Switcher — Icon buttons */
.theme-switcher {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  overflow: hidden;
  padding: 3px;
  gap: 2px;
}

.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.theme-btn::before {
  font-size: 1.1rem;
  line-height: 1;
}

.theme-btn[data-theme-btn="light"]::before {
  content: "\2600"; /* Sun */
}

.theme-btn[data-theme-btn="dark"]::before {
  content: "\263D"; /* Moon */
}

.theme-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-strong);
}

.theme-btn.is-active {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--glow-accent);
}

.theme-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.nav-action:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-1px);
}

.nav-action-settings {
  padding: 0 16px;
  font-size: 0.85rem;
}

/* ── Buttons ── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.button-primary {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-accent);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(123, 47, 247, 0.4), 0 10px 30px rgba(0, 0, 0, 0.2);
}

.button-primary:active {
  transform: translateY(0);
}

.button-ghost,
.button-secondary {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  color: var(--color-text);
}

.button-ghost:hover,
.button-secondary:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

.button-ghost:active,
.button-secondary:active {
  transform: translateY(0);
}

/* ── Glass Card Component ── */
.glass-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft), var(--glow-card);
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover), 0 0 1px rgba(123, 47, 247, 0.5);
  transform: translateY(-4px);
}

/* ── Main Content ── */
main {
  position: relative;
  padding-top: 72px; /* header height */
}

/* ── Hero Section ── */
.hero-section {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}

/* Hero animated mesh gradient */
.hero-grid-bg {
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(ellipse 40% 40% at 30% 30%, rgba(123, 47, 247, 0.15), transparent),
    radial-gradient(ellipse 40% 40% at 70% 60%, rgba(0, 212, 255, 0.12), transparent),
    radial-gradient(ellipse 30% 30% at 50% 80%, rgba(123, 47, 247, 0.08), transparent);
  animation: heroMesh 15s ease-in-out infinite alternate;
  pointer-events: none;
}

html[data-theme="light"] .hero-grid-bg {
  background:
    radial-gradient(ellipse 40% 40% at 30% 30%, rgba(101, 32, 217, 0.1), transparent),
    radial-gradient(ellipse 40% 40% at 70% 60%, rgba(0, 153, 204, 0.08), transparent),
    radial-gradient(ellipse 30% 30% at 50% 80%, rgba(101, 32, 217, 0.05), transparent);
}

@keyframes heroMesh {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(30px, -20px) rotate(3deg); }
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
  gap: 48px;
}

.hero-copy {
  max-width: 620px;
  padding-top: 16px;
}

.eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

/* Gradient text for headings */
.hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.2rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 42ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* Hero summary stat cards */
.hero-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 40px;
}

.summary-card {
  padding: 20px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.summary-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

.summary-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.summary-card strong {
  display: block;
  font-size: 0.92rem;
  line-height: 1.45;
  font-weight: 500;
}

/* Hero side panel (showcase) */
.hero-panel {
  display: flex;
}

.showcase-card {
  width: 100%;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow), var(--glow-card);
  position: relative;
  overflow: hidden;
}

.showcase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.6;
}

.showcase-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.showcase-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.showcase-copy {
  margin: 14px 0 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.showcase-item {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-strong);
  transition: all 0.3s ease;
}

.showcase-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
}

.showcase-item:last-child {
  grid-column: 1 / -1;
}

.showcase-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.showcase-item strong {
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.4;
}

/* ── Sections ── */
.section {
  position: relative;
  padding: 80px 0;
}

.section-contrast {
  background: var(--gradient-surface);
}

.section-soft {
  background: linear-gradient(180deg, transparent, var(--color-surface-soft));
}

.section-cta {
  padding-top: 32px;
  padding-bottom: 100px;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.title-mark {
  display: inline-block;
  margin-left: 0.1em;
  padding: 0 0.14em;
  position: relative;
}

.title-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.1em;
  height: 0.22em;
  background: var(--color-accent-soft);
  border-radius: 999px;
  z-index: -1;
}

/* Impact / Statement */
.impact-copy {
  max-width: 14ch;
  margin: 0 0 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.impact-accent {
  position: relative;
  display: inline;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Grids */
.statement-grid,
.project-grid,
.feature-grid,
.blueprint-grid {
  display: grid;
  gap: 18px;
}

.statement-grid {
  grid-template-columns: repeat(4, 1fr);
}

.project-grid,
.feature-grid,
.blueprint-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 32px;
}

/* Statement / Feature / Project cards */
.statement-card,
.feature-card {
  padding: 24px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.statement-card::before,
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-accent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.statement-card:hover::before,
.feature-card:hover::before {
  opacity: 1;
}

.statement-card:hover,
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.statement-card h3,
.feature-card h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
}

.statement-card p,
.feature-card p {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

.feature-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Project cards on main page */
.project-card,
.project-card-link {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before,
.project-card-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-accent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.project-card:hover::before,
.project-card-link:hover::before {
  opacity: 1;
}

.project-card:hover,
.project-card-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.project-card h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
}

.project-card p {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

.project-badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.project-icon {
  font-size: 1.3em;
  margin-right: 6px;
}

.project-link-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent-2);
  transition: gap 0.3s ease;
}

.project-card-link:hover .project-link-hint {
  gap: 10px;
}

/* ── CTA Card ── */
.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow), var(--glow-card);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-accent);
}

.cta-card .eyebrow {
  color: var(--color-accent-2);
}

.cta-card .section-title {
  max-width: 14ch;
}

.cta-card .button-primary {
  background: var(--gradient-accent);
  color: #fff;
}

.cta-card .button-secondary {
  border-color: var(--color-border-strong);
  background: var(--color-surface-strong);
  color: var(--color-text);
}

/* ── Footer ── */
.site-footer {
  padding: 0 0 48px;
  position: relative;
}

.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.4;
  margin-bottom: 32px;
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
}

.footer-layout p {
  margin: 0;
  color: var(--color-text-subtle);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 1;
  transform: none;
}

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

/* ── Stat Counters ── */
.stats-row {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════════════════════
   PROJECTS PAGE STYLES
   ═══════════════════════════════════════════════════════════ */

.projects-hero {
  padding: 60px 0 24px;
}

.projects-hero .eyebrow {
  margin-bottom: 16px;
}

.projects-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.projects-hero .section-subtitle {
  margin-top: 16px;
}

.projects-section {
  padding: 0 0 100px;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-tab:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.filter-tab.is-active {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-accent);
}

/* Projects page grid */
.projects-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 0;
}

/* Project cards (page-specific) */
.proj-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft), var(--glow-card);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

/* Neon border glow on hover */
.proj-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-accent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

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

.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover), 0 0 2px rgba(123, 47, 247, 0.4);
}

.proj-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.proj-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.proj-card-name {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
}

.proj-card-desc {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
  flex: 1;
}

.proj-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.proj-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Pulsing live dot */
.proj-card-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

.proj-card-badge--private {
  background: var(--color-surface-strong);
  color: var(--color-text-subtle);
}

.proj-card-badge--private::before {
  background: var(--color-text-subtle);
  animation: none;
}

.proj-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent-2);
  transition: gap 0.3s ease, color 0.3s ease;
}

.proj-card:hover .proj-card-action {
  gap: 10px;
}

.proj-card-action svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s ease;
}

.proj-card:hover .proj-card-action svg {
  transform: translateX(2px);
}

/* Tech tags */
.proj-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  margin-bottom: 16px;
}

.proj-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-strong);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.projects-empty,
.projects-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════════════════════════
   SETTINGS PAGE STYLES
   ═══════════════════════════════════════════════════════════ */

.settings-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.settings-tab {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
}

.settings-tab:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.settings-tab.is-active {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-accent);
}

.settings-tab-logout {
  margin-left: auto;
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.settings-tab-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: #ef4444;
}

/* Forms */
.settings-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  color: var(--color-text);
  font-size: 0.94rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.form-error {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  font-size: 0.9rem;
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--success-soft);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
  font-size: 0.9rem;
}

.projects-editor {
  margin-bottom: 20px;
}

.projects-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1120px) {
  .hero-layout,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .statement-grid,
  .project-grid,
  .feature-grid,
  .blueprint-grid,
  .projects-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 920px) {
  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 0;
  }

  .top-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
  }

  .nav-utilities {
    width: 100%;
    justify-content: center;
  }

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

  .stats-row {
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  main {
    padding-top: 0;
  }

  .hero-section {
    padding: 48px 0 40px;
  }

  .hero-actions,
  .cta-actions,
  .nav-utilities {
    flex-direction: column;
    align-items: stretch;
  }

  .theme-switcher,
  .nav-action,
  .button {
    width: 100%;
    justify-content: center;
  }

  .theme-switcher {
    justify-content: center;
  }

  .hero-summary,
  .showcase-grid,
  .statement-grid,
  .project-grid,
  .feature-grid,
  .blueprint-grid,
  .projects-page-grid {
    grid-template-columns: 1fr;
  }

  .showcase-item:last-child {
    grid-column: auto;
  }

  .showcase-card,
  .statement-card,
  .feature-card,
  .project-card,
  .proj-card,
  .cta-card {
    padding: 22px;
  }

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

  .section {
    padding: 60px 0;
  }

  .section-cta {
    padding-top: 20px;
    padding-bottom: 72px;
  }

  .stats-row {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .projects-hero {
    padding: 36px 0 16px;
  }

  .filter-tabs {
    justify-content: center;
  }

  .settings-tabs {
    justify-content: center;
  }

  .settings-tab-logout {
    margin-left: 0;
  }
}

/* ── Focus-visible for accessibility ── */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}