/* ============================================================
   readeem.dev — style.css
   Aesthetic: Smooth glassmorphism · Purple accent · iOS 26
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Anybody:wght@400;700;900&display=swap');

/* ── Tokens ────────────────────────────────────────────────── */
:root {
  --c-bg:        #0a0a12;
  --c-bg-card:   rgba(18, 16, 32, 0.55);
  --c-surface:   rgba(22, 20, 40, 0.6);
  --c-glass:     rgba(255, 255, 255, 0.04);
  --c-glass-hi:  rgba(255, 255, 255, 0.08);
  --c-border:    rgba(168, 130, 255, 0.10);
  --c-border-hi: rgba(168, 130, 255, 0.28);
  --c-glow:      #a882ff;
  --c-glow-dim:  rgba(168, 130, 255, 0.40);
  --c-glow-soft: rgba(168, 130, 255, 0.12);
  --c-accent:    #c4a8ff;
  --c-accent-2:  #ff6b6b;
  --c-text:      #cdd0dc;
  --c-text-hi:   #eeeef4;
  --c-text-dim:  rgba(205, 208, 220, 0.45);
  --c-go:        #00ADD8;
  --c-rust:      #DEA584;
  --c-python:    #FFD43B;
  --c-java:      #ED8B00;
  --c-csharp:    #9b4dca;

  --font-mono:   'IBM Plex Mono', 'Fira Code', 'SF Mono', monospace;
  --font-display:'Anybody', 'Impact', sans-serif;

  --radius:      16px;
  --radius-sm:   10px;
  --radius-xs:   6px;
  --blur:        24px;
  --blur-heavy:  40px;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-mono);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ── Background ────────────────────────────────────────────── */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    url('bg.png') center/cover no-repeat,
    linear-gradient(135deg, #0a0a12 0%, #12082a 40%, #0a0a12 100%);
  opacity: 0.55;
  filter: saturate(1.1) brightness(0.55);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(168, 130, 255, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(120, 80, 220, 0.04) 0%, transparent 60%);
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 18, 0.55);
  backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
  -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 18, 0.82);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--c-glow);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-shadow: 0 0 20px var(--c-glow-dim);
  transition: text-shadow 0.3s ease;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--c-text-dim);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--c-glow), var(--c-accent));
  border-radius: 1px;
  transition: width 0.4s var(--ease-out);
}

.nav-links a:hover {
  color: var(--c-accent);
  text-shadow: 0 0 12px var(--c-glow-dim);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  position: relative;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 8vw, 6.5rem);
  font-weight: 900;
  color: var(--c-text-hi);
  line-height: 1.0;
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-name .accent {
  background: linear-gradient(135deg, var(--c-glow), #c4a8ff, #7c5cbf);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 24px var(--c-glow-dim));
}

.hero-title {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--c-text-dim);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s var(--ease-out) 0.55s forwards;
}

.hero-title span {
  color: var(--c-accent);
}

/* Blinking cursor */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  background: var(--c-glow);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
  border-radius: 2px;
  box-shadow: 0 0 12px var(--c-glow-dim);
}

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

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s var(--ease-out) 0.8s forwards;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--c-border-hi);
  border-radius: var(--radius-sm);
  background: var(--c-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--c-glow);
  letter-spacing: 0.06em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.35s var(--ease-out);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--c-glow), #7c5cbf);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.btn:hover {
  color: #fff;
  border-color: var(--c-glow);
  box-shadow: 0 4px 24px rgba(168, 130, 255, 0.2);
  transform: translateY(-1px);
}

.btn:hover::before {
  opacity: 1;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-solid {
  background: linear-gradient(135deg, var(--c-glow), #8b6cdf);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 16px rgba(168, 130, 255, 0.25);
}

.btn-solid:hover {
  background: linear-gradient(135deg, #b998ff, #9b7aef);
  box-shadow: 0 6px 32px rgba(168, 130, 255, 0.35);
  transform: translateY(-2px);
}

.btn-solid::before {
  display: none;
}

/* ── Section headers ───────────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--c-glow);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.section-label::before {
  content: '// ';
  opacity: 0.4;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--c-text-hi);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

/* ── Glass card (shared) ───────────────────────────────────── */
.card,
.game-card,
.contact-card,
.os-item,
.terminal {
  border-radius: var(--radius);
}

.card {
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.4);
  border: 1px solid var(--c-border);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 130, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  border-color: var(--c-border-hi);
  box-shadow: 0 8px 40px rgba(168, 130, 255, 0.08), 0 0 0 1px rgba(168, 130, 255, 0.06);
  transform: translateY(-2px);
}

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

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-hi);
  margin-bottom: 0.8rem;
  letter-spacing: 0.02em;
}

.card p {
  font-size: 0.85rem;
  color: var(--c-text-dim);
  line-height: 1.8;
}

/* ── About ─────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

/* ── Stack section ─────────────────────────────────────────── */
.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.stack-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xs);
  background: var(--c-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--c-text);
  transition: all 0.35s var(--ease-out);
  cursor: default;
}

.stack-chip:hover {
  border-color: var(--c-border-hi);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.stack-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stack-chip.loved {
  border-color: var(--c-go);
  color: var(--c-go);
  box-shadow: 0 0 16px rgba(0, 173, 216, 0.10);
}

.stack-chip.loved .dot {
  background: var(--c-go);
  box-shadow: 0 0 8px var(--c-go);
}

/* Language-specific colors */
.dot-go       { background: var(--c-go); }
.dot-rust     { background: var(--c-rust); }
.dot-python   { background: var(--c-python); }
.dot-java     { background: var(--c-java); }
.dot-csharp   { background: var(--c-csharp); }
.dot-js       { background: #F7DF1E; }

/* ── OS affinity ───────────────────────────────────────────── */
.os-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.os-item {
  padding: 1.4rem;
  border: 1px solid var(--c-border);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.4);
  text-align: center;
  transition: all 0.4s var(--ease-out);
}

.os-item .os-icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
}

.os-item .os-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-text-hi);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.os-item .os-feel {
  font-size: 0.72rem;
  color: var(--c-text-dim);
  font-style: italic;
}

.os-item:hover {
  transform: translateY(-2px);
}

.os-item.love {
  border-color: var(--c-glow);
  box-shadow: 0 0 24px rgba(168, 130, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.os-item.love .os-name {
  color: var(--c-glow);
}

.os-item.like {
  border-color: rgba(0, 212, 255, 0.25);
}

.os-item.like .os-name {
  color: var(--c-go);
}

.os-item.hate {
  border-color: rgba(255, 107, 107, 0.20);
  opacity: 0.50;
}

.os-item.hate .os-name {
  color: var(--c-accent-2);
  text-decoration: line-through;
}

/* ── Gaming section ────────────────────────────────────────── */
.games-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.game-card {
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.4);
  border: 1px solid var(--c-border);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
}

.game-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: opacity 0.4s ease, height 0.4s ease;
}

.game-card:hover {
  border-color: var(--c-border-hi);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(168, 130, 255, 0.05);
}

.game-card .game-emoji {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.game-card h3 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text-hi);
  margin-bottom: 0.5rem;
}

.game-card p {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  line-height: 1.7;
}

.game-marvel::after {
  background: linear-gradient(90deg, #e23636, #ffc107);
  opacity: 0.5;
}

.game-cyber::after {
  background: linear-gradient(90deg, #fcee09, #00f0ff);
  opacity: 0.5;
}

.game-card:hover::after {
  opacity: 0.9;
  height: 4px;
}

/* ── Contact section ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}

.contact-card {
  padding: 1.6rem;
  border: 1px solid var(--c-border);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.4);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  transition: all 0.4s var(--ease-out);
}

.contact-card:hover {
  border-color: var(--c-glow);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(168, 130, 255, 0.10);
}

.contact-card .contact-icon {
  font-size: 1.6rem;
}

.contact-card .contact-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-text-dim);
}

.contact-card .contact-value {
  font-size: 0.85rem;
  color: var(--c-glow);
  font-weight: 500;
  word-break: break-all;
}

/* ── Terminal block ────────────────────────────────────────── */
.terminal {
  background: rgba(10, 8, 20, 0.6);
  backdrop-filter: blur(var(--blur)) saturate(1.3);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.3);
  border: 1px solid var(--c-border);
  margin-top: 2.5rem;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.8rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: 0.8rem;
  font-size: 0.72rem;
  color: var(--c-text-dim);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 1.2rem 1.5rem;
  font-size: 0.82rem;
  line-height: 2;
  min-height: 160px;
}

.terminal-line {
  display: block;
  opacity: 0;
  transform: translateX(-8px);
}

.terminal-line.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.terminal-line .prompt {
  color: var(--c-glow);
}

.terminal-line .cmd {
  color: var(--c-text-hi);
}

.terminal-line .comment {
  color: var(--c-text-dim);
  font-style: italic;
}

.terminal-line .output {
  color: var(--c-accent);
}

.terminal-line .error {
  color: var(--c-accent-2);
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--c-border);
}

.footer-text {
  font-size: 0.75rem;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
}

.footer-text .heart {
  color: var(--c-accent-2);
}

.footer-text .go-text {
  color: var(--c-go);
  font-weight: 600;
}

/* ── Scroll reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Glow pulse on nav logo — subtle */
@keyframes logoPulse {
  0%, 100% { text-shadow: 0 0 20px var(--c-glow-dim); }
  50%      { text-shadow: 0 0 30px var(--c-glow-dim), 0 0 50px rgba(168, 130, 255, 0.10); }
}

.nav-logo {
  animation: logoPulse 4s ease-in-out infinite;
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-glow);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70vw;
    max-width: 280px;
    height: 100vh;
    flex-direction: column;
    background: rgba(10, 10, 18, 0.92);
    backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    -webkit-backdrop-filter: blur(var(--blur-heavy)) saturate(1.6);
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    border-left: 1px solid var(--c-border);
    transition: right 0.5s var(--ease-out);
  }

  .nav-links.open {
    right: 0;
  }

  .about-grid,
  .games-row {
    grid-template-columns: 1fr;
  }

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

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

  .hero-name {
    font-size: clamp(2.4rem, 10vw, 3.6rem);
  }

  section {
    padding: 3.5rem 0;
  }
}

/* ── Selection ─────────────────────────────────────────────── */
::selection {
  background: rgba(168, 130, 255, 0.25);
  color: var(--c-text-hi);
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(168, 130, 255, 0.18);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(168, 130, 255, 0.35);
}

/* ── Stack annotation ──────────────────────────────────────── */
.stack-annotation {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
  font-size: 0.72rem;
  color: var(--c-text-dim);
}

.stack-annotation .heart-sm {
  color: var(--c-accent-2);
}

/* ── About intro text ──────────────────────────────────────── */
.about-intro {
  font-size: 0.92rem;
  color: var(--c-text);
  line-height: 1.9;
  max-width: 640px;
}

.about-intro .hl {
  color: var(--c-glow);
  font-weight: 600;
}

/* ── Floating particles (canvas bg) ────────────────────────── */
#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}