/* ═══════════════════════════════════════════════════════════════
   shared.css — Common design system for portfolio & blog
   Abdulaziz Mahdi Jawad · 2025
═══════════════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  --bg:           #070b14;
  --surface:      #0d1526;
  --surface-2:    #111d35;
  --border:       rgba(99,179,237,0.12);
  --accent:       #3de8c8;
  --accent-2:     #5b8fff;
  --accent-3:     #c77dff;
  --text:         #e8edf5;
  --muted:        #8a9dc0;
  --danger:       #ff6b6b;
  --font-display: 'Syne', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.35s cubic-bezier(0.4,0,0.2,1);
  --glow:         0 0 40px rgba(61,232,200,0.15);
}

/* ─── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.65;
}
::selection { background: rgba(61,232,200,0.25); color: var(--accent); }
a { color: inherit; text-decoration: none; }

/* ─── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }

/* ─── PARTICLE CANVAS ────────────────────────────────────────── */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ─── SCROLL PROGRESS BAR ────────────────────────────────────── */
#progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ─── NAVIGATION ─────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 68px;
  background: rgba(7,11,20,0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(7,11,20,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: rgba(61,232,200,0.08);
}
.nav-links a.blog-link {
  color: var(--accent);
  background: rgba(61,232,200,0.08);
  border: 1px solid rgba(61,232,200,0.18);
}
.nav-links a.blog-link:hover {
  background: rgba(61,232,200,0.15);
}
.nav-cta {
  display: flex;
  gap: 0.5rem;
}
.btn-nav {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-nav:hover { border-color: var(--accent); color: var(--accent); background: rgba(61,232,200,0.06); }
.btn-nav.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
  border-color: transparent;
}
.btn-nav.primary:hover { opacity: 0.88; transform: translateY(-1px); }

/* ─── HAMBURGER ──────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ─── MOBILE NAV OVERLAY ─────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7,11,20,0.97);
  z-index: 998;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--muted);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--accent); }

/* ─── FLOATING CONTACT BUTTONS ───────────────────────────────── */
.float-contacts {
  position: fixed;
  left: 1.5rem;
  bottom: 6rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.float-contacts::after {
  content: '';
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin: 0.5rem auto 0;
  align-self: center;
}
.contact-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(13,21,38,0.9);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  text-decoration: none;
}
.contact-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(61,232,200,0.06);
  transform: translateX(4px);
  box-shadow: var(--glow);
}
.contact-btn.whatsapp:hover { border-color: #25d366; color: #25d366; box-shadow: 0 0 25px rgba(37,211,102,0.18); }
.contact-btn.email:hover    { border-color: var(--accent-2); color: var(--accent-2); box-shadow: 0 0 25px rgba(91,143,255,0.18); }
.contact-btn.phone:hover    { border-color: var(--accent-3); color: var(--accent-3); box-shadow: 0 0 25px rgba(199,125,255,0.18); }
.contact-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ─── BACK TO TOP ────────────────────────────────────────────── */
#back-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 900;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  color: var(--muted);
}
#back-top.show { opacity: 1; pointer-events: auto; }
#back-top:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* ─── LAYOUT WRAPPER ─────────────────────────────────────────── */
.wrapper {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

/* ─── SHARED SECTION LABELS / TITLES / DIVIDER ───────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 3rem;
}
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 2px;
  margin: 1rem 0 1.5rem;
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  position: relative;
  z-index: 1;
}
footer span { color: var(--accent); }

/* ─── SHARED ANIMATIONS ──────────────────────────────────────── */
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(61,232,200,0.5); }
  50%      { box-shadow: 0 0 0 5px rgba(61,232,200,0); }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@keyframes beamPulse {
  0%,100% { opacity: 0.5; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE: SHARED BREAKPOINTS ────────────────────────── */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .float-contacts { left: 0.75rem; bottom: 4.5rem; }
  .contact-btn .label { display: none; }
}

/* ─── SECRET DEV LAB MENU ────────────────────────────────────── */
#lab-overlay{
  position:fixed;inset:0;z-index:2000;
  background:rgba(7,11,20,0.55);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity var(--transition);
}
#lab-overlay.open{opacity:1;pointer-events:auto;}
#lab-panel{
  position:fixed;top:80px;right:clamp(1rem,4vw,3rem);z-index:2001;
  width:min(340px,calc(100vw - 2rem));
  background:rgba(13,21,38,0.92);backdrop-filter:blur(20px);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--glow),0 20px 60px rgba(0,0,0,0.6);
  padding:1.4rem 1.3rem 1.1rem;
  transform:translateY(-12px) scale(0.97);opacity:0;pointer-events:none;
  transition:transform var(--transition),opacity var(--transition);
}
#lab-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto;}
#lab-panel .lab-title{
  font-family:var(--font-display);font-weight:800;font-size:0.95rem;
  letter-spacing:0.08em;text-transform:uppercase;
  background:linear-gradient(135deg,var(--accent),var(--accent-2),var(--accent-3));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:0.35rem;
}
#lab-panel .lab-sub{
  font-size:0.72rem;color:var(--muted);margin-bottom:1rem;
  font-family:var(--font-mono);
}
#lab-panel .lab-links{list-style:none;display:flex;flex-direction:column;gap:0.4rem;}
#lab-panel .lab-links a{
  display:flex;align-items:center;gap:0.7rem;
  padding:0.65rem 0.8rem;border-radius:var(--radius);
  border:1px solid transparent;
  color:var(--text);font-size:0.88rem;font-weight:500;
  transition:var(--transition);
}
#lab-panel .lab-links a:hover{
  border-color:var(--border);background:rgba(61,232,200,0.07);color:var(--accent);
  transform:translateX(3px);
}
#lab-panel .lab-links .lab-ico{
  font-family:var(--font-mono);font-size:0.8rem;color:var(--accent);
  width:1.6rem;height:1.6rem;display:grid;place-items:center;
  background:rgba(61,232,200,0.08);border-radius:8px;flex-shrink:0;
}
#lab-panel .lab-hint{
  margin-top:1rem;padding-top:0.8rem;border-top:1px solid var(--border);
  font-size:0.65rem;color:var(--muted);font-family:var(--font-mono);
}
/* Tiny persistent trigger shown after first discovery */
#lab-dot{
  position:fixed;bottom:18px;right:18px;z-index:1500;
  width:12px;height:12px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  opacity:0.35;transition:opacity var(--transition),transform var(--transition);
  box-shadow:0 0 12px rgba(61,232,200,0.4);
}
#lab-dot:hover{opacity:1;transform:scale(1.4);}
@media (prefers-reduced-motion: reduce){
  #lab-panel,#lab-overlay,#lab-dot{transition:none;}
}