/* ── NAV ── */
nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;max-width:1200px;margin:0 auto;
  position:sticky !important;top:12px;z-index:100;
  border-radius:100px;
  transition:all .4s var(--ease-out);
}
nav.scrolled{background:rgba(6,10,18,0.75);border-color:var(--border-glow)}
nav .glass-edge{position:absolute;z-index:2}
nav .glass-reflection{display:none}
nav .glass-reflection{position:absolute;z-index:1}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-0.5px;
  text-decoration:none;color:var(--text);
}
.logo svg{flex-shrink:0;filter:drop-shadow(0 0 8px rgba(56,189,248,0.3))}
.logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{
  color:var(--text2);text-decoration:none;font-size:14px;font-weight:500;
  transition:color .2s;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:var(--accent);border-radius:1px;transition:width .3s var(--ease-out);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}

/* ── BUTTONS ── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:100px;font-size:14px;font-weight:600;
  text-decoration:none;transition:all .25s var(--ease-out);
  cursor:pointer;border:none;position:relative;overflow:hidden;
}
a.btn-primary,.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 4px 20px var(--accent-glow);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 32px var(--accent-glow);
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  border:1px solid var(--border);color:var(--text2);background:transparent;
}
.btn-outline:hover{
  border-color:var(--accent);color:var(--text);
  box-shadow:0 0 20px rgba(56,189,248,0.05);
}
.btn-sm{padding:8px 18px;font-size:13px}
.mobile-list-btn{display:none}

/* ── THEME TOGGLE ── */
.theme-toggle{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  background:var(--glass2);border:1px solid var(--glass-border);
  color:var(--text2);cursor:pointer;
  transition:all .25s var(--ease-out);flex-shrink:0;
}
.theme-toggle:hover{background:var(--glass);color:var(--text);border-color:var(--glass-border-hover)}
.theme-toggle .sun-icon{display:none}
.theme-toggle .moon-icon{display:block}
.light .theme-toggle .sun-icon{display:block}
.light .theme-toggle .moon-icon{display:none}

/* ── HERO ── */
.hero{
  position:relative;
  min-height:90vh;padding:120px 0;display:flex;align-items:center;
  text-align:center;overflow:hidden;
}
.hero .container{position:relative;z-index:3}
/* ── HERO ART (route crossing) ── */
.hero-art{
  position:absolute;inset:0;overflow:hidden;
  pointer-events:none;z-index:1;
  opacity:0;transition:opacity 1s .2s ease;
}
.hero-art.visible{opacity:1}
.hero-art .hero-net{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:130%;height:130%;min-width:1000px;min-height:700px;
  will-change:transform;
}

/* ── Travel network visualization ── */
.h-flow{stroke-dasharray:4 12;animation:hFlow 2s linear infinite}
@keyframes hFlow{to{stroke-dashoffset:-16}}
.h-flow-2{animation-duration:2.5s;animation-delay:.5s}
.h-flow-3{animation-duration:3s;animation-delay:1s}
.h-flow-4{animation-duration:2s;animation-delay:.3s}

.h-node{animation:hNodePulse 3s ease-in-out infinite}
.h-node:nth-child(odd){animation-delay:.5s}
.h-node:nth-child(3n){animation-delay:1s}
.h-node-center{animation:hCenterPulse 2s ease-in-out infinite}
@keyframes hNodePulse{0%,100%{opacity:0.3}50%{opacity:0.7}}
@keyframes hCenterPulse{0%,100%{opacity:0.4;r:5}50%{opacity:1;r:7}}

/* ── Floating gear items ── */
.h-gear{position:absolute;width:38px;height:38px;opacity:0.5;pointer-events:none;will-change:transform;filter:drop-shadow(0 0 6px rgba(255,255,255,0.06))}
.hg-1{top:16%;left:14%;animation:gearFloat1 5s ease-in-out infinite}
.hg-2{top:14%;right:12%;animation:gearFloat2 6s ease-in-out infinite}
.hg-3{bottom:20%;left:12%;animation:gearFloat3 5.5s ease-in-out infinite}
.hg-4{bottom:18%;right:14%;animation:gearFloat4 4.5s ease-in-out infinite}
.h-gear-glow{opacity:0.9 !important;filter:drop-shadow(0 0 16px rgba(255,255,255,0.5)) drop-shadow(0 0 40px rgba(255,255,255,0.25)) !important;transition:filter .3s ease,opacity .3s ease}
@keyframes gearFloat1{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes gearFloat2{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-6px) rotate(5deg)}}
@keyframes gearFloat3{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes gearFloat4{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-7px) rotate(-4deg)}}

/* ── Scroll-down indicator ── */
.hero-scroll{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  animation:scrollBounce 2s ease-in-out infinite;cursor:pointer;
  pointer-events:auto;z-index:10;
}
@keyframes scrollBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(7px)}}

/* ── Hero badge ── */
.hero-badge{
  display:inline-block;
  font-size:11px;font-weight:600;
  color:rgba(255,255,255,0.4);
  letter-spacing:1px;text-transform:uppercase;
  margin-bottom:24px;
}

/* ── Hero text ── */
.hero h1{font-size:clamp(2.8rem,7vw,5rem);font-weight:900;line-height:1.02;letter-spacing:-3px;margin-bottom:18px}
.hero h1 .liquid-text{position:relative;display:inline-block;letter-spacing:-2px;color:rgba(255,255,255,0.88);text-shadow:0 0 4px rgba(255,255,255,0.1),0 0 20px rgba(255,255,255,0.04),0.8px -0.4px 0 rgba(255,70,70,0.08),-0.8px 0.4px 0 rgba(70,140,255,0.08),0 1px 0 rgba(255,255,255,0.1);-webkit-text-stroke:0.3px rgba(255,255,255,0.05);filter:url(#glassRefract)}
.hero p{font-size:clamp(1rem,1.8vw,1.15rem);color:rgba(255,255,255,0.5);max-width:420px;margin:0 auto 32px;line-height:1.6}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

@media(max-width:900px){
  .hero-art{display:none}
}

/* ── SECTIONS ── */
section{padding:50px 0;margin-bottom:40px}
.section-header{text-align:center;margin-bottom:48px}
.section-label{
  display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--accent);margin-bottom:12px;position:relative;
}
.section-label::after{content:'';display:block;width:24px;height:2px;background:var(--accent);margin:8px auto 0;border-radius:1px}
.section-title{
  font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:900;letter-spacing:-1.5px;
  line-height:1.1;margin-bottom:28px;
}
.section-title.glass-font{
  color:var(--text);
  text-shadow:0 0 24px rgba(56,189,248,0.1);
  -webkit-text-stroke:0;
  -webkit-background-clip:unset;background-clip:unset;
  -webkit-text-fill-color:unset;
  background:none;
  filter:none;
  animation:none;
}
.section-sub{font-size:15px;color:var(--text2);max-width:520px;margin:0 auto}

/* ── CATEGORY GRID ── */
.categories-grid{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:24px;
  grid-auto-flow:dense;
}
.cat-card-hero{grid-column:1/-1}
.cat-card-wide{grid-column:1/2}
.cat-card-narrow{grid-column:2/3}
.cat-card{
  border-radius:var(--radius-md);padding:44px 24px;text-align:center;
  cursor:pointer;position:relative;min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.cat-card .icon{margin-bottom:16px;display:block;position:relative;z-index:1}
.cat-card h3{font-size:15px;font-weight:700;margin-bottom:4px;position:relative;z-index:1}
.cat-card p{font-size:12px;color:var(--text3);position:relative;z-index:1}
.cat-card:hover{background:rgba(255,255,255,0.06);box-shadow:0 12px 48px rgba(0,0,0,0.16),0 0 80px rgba(56,189,248,0.1),inset 0 1px 0 rgba(255,255,255,0.12);border-color:rgba(56,189,248,0.25)}

/* ── Category card SVG hover animations ── */
.cat-card .icon svg{transition:transform .4s cubic-bezier(0.34,1.56,0.64,1)}
.cat-card:hover .icon svg{transform:scale(1.15)}

/* Backpacks — gentle float */
.cat-card:nth-child(1):hover .icon svg{animation:floatBounce 1.2s ease-in-out infinite}
@keyframes floatBounce{0%,100%{transform:translateY(0) scale(1.15)}50%{transform:translateY(-4px) scale(1.15)}}

/* Camera — shutter pulse */
.cat-card:nth-child(2):hover .icon svg .cam-flash{animation:flashPop .5s ease-out}
@keyframes flashPop{0%{opacity:0;transform:scale(0)}30%{opacity:1;transform:scale(1.3)}100%{opacity:0;transform:scale(2)}}

/* Camping — sway + drifting leaves */
.cat-card:nth-child(3):hover .icon svg{animation:tentSway .8s ease-in-out infinite alternate}
@keyframes tentSway{0%{transform:rotate(-2deg) scale(1.15)}100%{transform:rotate(2deg) scale(1.15)}}
.cat-card:nth-child(3):hover .icon svg .ani-leaf{animation:leafDrift 1.6s ease-in-out infinite}
.cat-card:nth-child(3):hover .icon svg .ani-leaf:last-child{animation-delay:.6s}
@keyframes leafDrift{0%,100%{opacity:0.4;transform:translate(0,0)}50%{opacity:0.8;transform:translate(-2px,-4px)}}

/* Luggage — wobble */
.cat-card:nth-child(4):hover .icon svg{animation:luggageWobble .5s ease-in-out}
@keyframes luggageWobble{0%,100%{transform:rotate(0) scale(1.15)}25%{transform:rotate(-6deg) scale(1.15)}75%{transform:rotate(6deg) scale(1.15)}}

/* Accessories — slow spin */
.cat-card:nth-child(5):hover .icon svg .acc-spin{animation:spinGlobe 2s linear infinite;transform-origin:12px 12px}
@keyframes spinGlobe{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}

/* Electronics — pulse glow */
.cat-card:nth-child(6):hover .icon svg .elec-scan{animation:scanPulse 1s ease-in-out infinite;opacity:0}
@keyframes scanPulse{0%,100%{opacity:0;transform:translateY(0)}50%{opacity:0.6;transform:translateY(-3px)}}

/* Shared animated decorations */
.cat-card .icon .ani-ring{opacity:0;transition:opacity .3s}
.cat-card:hover .icon .ani-ring{opacity:1}
.cat-card .icon .ani-ring{animation:ringPulse 2s ease-in-out infinite}
@keyframes ringPulse{0%,100%{transform:scale(0.9);opacity:0.4}50%{transform:scale(1.1);opacity:0.8}}