/* ==========================================================================
   Herculis Design Studio — global stylesheet
   Design tokens, layout, components, utilities
   ========================================================================== */

:root{
  --color-primary:#2563EB;
  --color-secondary:#4F46E5;
  --color-accent:#10B981;
  --color-bg:#FFFFFF;
  --color-bg-section:#F8FAFC;
  --color-text:#111827;
  --color-text-muted:#6B7280;
  --color-border:#E5E7EB;
  --color-star:#F59E0B;
  --color-danger:#DC2626;

  --font-heading:'Poppins', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius-card:18px;
  --radius-btn:999px;
  --radius-input:10px;

  --shadow-sm:0 1px 2px rgba(17,24,39,0.06), 0 1px 3px rgba(17,24,39,0.08);
  --shadow-md:0 4px 12px rgba(17,24,39,0.08);
  --shadow-lg:0 12px 32px rgba(17,24,39,0.12);

  --container:1200px;
  --transition:0.25s ease;
}

[data-theme="dark"]{
  --color-bg:#0B1220;
  --color-bg-section:#111827;
  --color-text:#F3F4F6;
  --color-text-muted:#9CA3AF;
  --color-border:#1F2937;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--color-text);
  background:var(--color-bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background var(--transition), color var(--transition);
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none; margin:0; padding:0;}
button{font-family:inherit; cursor:pointer;}
input,select,textarea{font-family:inherit;}

h1,h2,h3,h4{
  font-family:var(--font-heading);
  font-weight:600;
  line-height:1.2;
  margin:0 0 0.5em;
  color:var(--color-text);
}
h1{font-size:clamp(2.2rem,4vw,3.4rem); font-weight:700;}
h2{font-size:clamp(1.7rem,3vw,2.4rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em; color:var(--color-text-muted);}

.container{max-width:var(--container); margin:0 auto; padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:var(--color-bg-section);}
.section-head{max-width:640px; margin:0 auto 48px; text-align:center;}
.eyebrow{
  display:inline-block; font-size:13px; font-weight:600; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--color-primary); margin-bottom:12px;
}
.section-head p{margin-top:12px;}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 28px; border-radius:var(--radius-btn); font-weight:600; font-size:15px;
  border:1px solid transparent; transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space:nowrap;
}
.btn-primary{background:var(--color-primary); color:#fff; box-shadow:var(--shadow-sm);}
.btn-primary:hover{transform:translateY(-2px); box-shadow:var(--shadow-md); background:#1D4ED8;}
.btn-secondary{background:#fff; color:var(--color-primary); border-color:var(--color-border); box-shadow:var(--shadow-sm);}
.btn-secondary:hover{transform:translateY(-2px); box-shadow:var(--shadow-md); border-color:var(--color-primary);}
.btn-accent{background:var(--color-accent); color:#fff;}
.btn-accent:hover{transform:translateY(-2px); box-shadow:var(--shadow-md); background:#0B9C6D;}
.btn-ghost{background:transparent; color:var(--color-text); border-color:var(--color-border);}
.btn-ghost:hover{border-color:var(--color-primary); color:var(--color-primary);}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px; font-size:13px;}

/* Focus states — accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:3px solid var(--color-primary); outline-offset:2px; border-radius:4px;
}
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--color-primary); color:#fff;
  padding:12px 20px; z-index:200; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ============================== NAV ============================== */
.announcement{
  background:var(--color-text); color:#fff; text-align:center; font-size:13px;
  padding:9px 16px; position:relative;
}
.announcement button{
  position:absolute; right:16px; top:50%; transform:translateY(-50%);
  background:none; border:none; color:#fff; font-size:16px; opacity:0.7;
}
.announcement button:hover{opacity:1;}

.navbar{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,0.9);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--color-border);
}
.navbar .nav-inner{position:relative;}
[data-theme="dark"] .navbar{background:rgba(11,18,32,0.9);}
.nav-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 0; gap:24px;}
.logo{display:flex; align-items:center; gap:10px; font-family:var(--font-heading); font-weight:700; font-size:20px;}
.logo-mark{
  width:36px; height:36px; border-radius:10px; background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
  display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:16px;
}
.nav-links{display:flex; align-items:center; gap:28px; font-size:14.5px; font-weight:500;}
.nav-links a{color:var(--color-text); transition:color var(--transition); position:relative;}
.nav-links a:hover, .nav-links a[aria-current="page"]{color:var(--color-primary);}
.nav-actions{display:flex; align-items:center; gap:14px;}
.icon-btn{
  width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--color-bg-section); border:1px solid var(--color-border); position:relative; transition:all var(--transition);
}
.icon-btn:hover{border-color:var(--color-primary); color:var(--color-primary);}
.badge-count{
  position:absolute; top:-4px; right:-4px; background:var(--color-accent); color:#fff;
  font-size:10px; font-weight:700; min-width:16px; height:16px; border-radius:8px;
  display:flex; align-items:center; justify-content:center; padding:0 3px;
}
.nav-toggle{display:none; background:none; border:none; font-size:24px;}

/* Search */
.nav-search{
  display:flex; align-items:center; gap:8px; background:var(--color-bg-section); border:1px solid var(--color-border);
  border-radius:var(--radius-btn); padding:8px 16px; flex:1; max-width:280px;
}
.nav-search input{background:none; border:none; outline:none; width:100%; font-size:14px; color:var(--color-text);}

/* ============================== HERO ============================== */
.hero{
  padding:80px 0 60px; background:radial-gradient(1200px 500px at 80% -10%, rgba(37,99,235,0.08), transparent),
  radial-gradient(900px 400px at 0% 10%, rgba(16,185,129,0.08), transparent);
  overflow:hidden; position:relative;
}
.hero-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px; background:#EFF6FF; color:var(--color-primary);
  font-size:13px; font-weight:600; padding:8px 16px; border-radius:var(--radius-btn); margin-bottom:20px;
}
.hero p.lede{font-size:17px; max-width:460px;}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin:28px 0 32px;}
.hero-stats{display:flex; gap:32px; flex-wrap:wrap;}
.hero-stats div strong{display:block; font-family:var(--font-heading); font-size:22px; color:var(--color-text);}
.hero-stats div span{font-size:13px; color:var(--color-text-muted);}

.hero-visual{position:relative; height:420px;}
.mock-card{
  position:absolute; background:#fff; border-radius:var(--radius-card); box-shadow:var(--shadow-lg);
  padding:14px; border:1px solid var(--color-border); animation:floatY 6s ease-in-out infinite;
}
[data-theme="dark"] .mock-card{background:#151F32;}
.mock-card img{border-radius:12px;}
.mock-1{width:260px; top:10px; left:20px; animation-delay:0s;}
.mock-2{width:190px; top:200px; left:230px; animation-delay:1.2s;}
.mock-3{width:170px; top:60px; left:340px; animation-delay:2.4s; z-index:2;}
.shape{position:absolute; border-radius:50%; filter:blur(2px); opacity:0.5;}
.shape-1{width:60px; height:60px; background:var(--color-accent); top:0; right:60px; animation:floatY 5s ease-in-out infinite;}
.shape-2{width:40px; height:40px; background:var(--color-secondary); bottom:20px; left:0; animation:floatY 7s ease-in-out infinite reverse;}
@keyframes floatY{0%,100%{transform:translateY(0);} 50%{transform:translateY(-14px);}}
@media (prefers-reduced-motion:reduce){.mock-card,.shape{animation:none;}}

/* ============================== CARDS / PRODUCTS ============================== */
.grid{display:grid; gap:28px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card);
  overflow:hidden; transition:transform var(--transition), box-shadow var(--transition);
  display:flex; flex-direction:column;
}
[data-theme="dark"] .card{background:#111A2C;}
.card:hover{transform:translateY(-6px); box-shadow:var(--shadow-lg);}

.product-card{position:relative;}
.product-media{position:relative; aspect-ratio:4/3; overflow:hidden; background:var(--color-bg-section);}
.product-media img{width:100%; height:100%; object-fit:cover; transition:transform 0.4s ease;}
.product-card:hover .product-media img{transform:scale(1.06);}
.product-badges{position:absolute; top:12px; left:12px; display:flex; flex-direction:column; gap:6px;}
.badge{
  font-size:11px; font-weight:700; padding:5px 10px; border-radius:6px; letter-spacing:0.02em;
  color:#fff; background:var(--color-text);
}
.badge-sale{background:var(--color-danger);}
.badge-new{background:var(--color-accent);}
.badge-bestseller{background:#F59E0B;}
.badge-free{background:var(--color-secondary);}

.product-hover-actions{
  position:absolute; top:12px; right:12px; display:flex; flex-direction:column; gap:8px;
  opacity:0; transform:translateX(6px); transition:all var(--transition);
}
.product-card:hover .product-hover-actions{opacity:1; transform:translateX(0);}
.product-hover-actions .icon-btn{background:#fff; width:36px; height:36px;}

.product-body{padding:18px; display:flex; flex-direction:column; gap:6px; flex:1;}
.product-category{font-size:12px; color:var(--color-primary); font-weight:600; text-transform:uppercase; letter-spacing:0.03em;}
.product-name{font-family:var(--font-heading); font-size:16px; font-weight:600; margin:0;}
.product-rating{display:flex; align-items:center; gap:6px; font-size:13px; color:var(--color-text-muted);}
.stars{color:var(--color-star); letter-spacing:1px; font-size:13px;}
.product-desc{font-size:13.5px; color:var(--color-text-muted); margin:0;}
.product-footer{display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:10px;}
.price{font-family:var(--font-heading); font-weight:700; font-size:17px;}
.price-old{font-size:13px; color:var(--color-text-muted); text-decoration:line-through; margin-right:6px; font-weight:400;}

/* Category tiles */
.category-tile{
  position:relative; border-radius:var(--radius-card); overflow:hidden; aspect-ratio:1/1;
  display:flex; align-items:flex-end; padding:20px; color:#fff; background-size:cover; background-position:center;
}
.category-tile::before{content:''; position:absolute; inset:0; background:linear-gradient(0deg, rgba(17,24,39,0.65), rgba(17,24,39,0.05));}
.category-tile span{position:relative; font-family:var(--font-heading); font-weight:600; font-size:16px;}

/* Stats */
.stats-strip{display:flex; justify-content:space-around; flex-wrap:wrap; gap:32px; text-align:center;}
.stat strong{display:block; font-family:var(--font-heading); font-size:2.2rem; color:var(--color-primary);}
.stat span{font-size:13.5px; color:var(--color-text-muted);}

/* How it works */
.steps-row{display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:16px;}
.step-tile{text-align:center; padding:0 12px;}
.step-num{
  width:52px; height:52px; border-radius:50%; background:#EFF6FF; color:var(--color-primary);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-heading); font-weight:700;
  margin:0 auto 16px; font-size:18px;
}

/* Testimonials */
.testimonial-card{padding:26px; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card);}
[data-theme="dark"] .testimonial-card{background:#111A2C;}
.testimonial-avatar{display:flex; align-items:center; gap:12px; margin-top:16px;}
.avatar-circle{
  width:40px; height:40px; border-radius:50%; background:var(--color-secondary); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:600; font-size:14px;
}
.testimonial-name{font-weight:600; font-size:14px;}
.testimonial-role{font-size:12.5px; color:var(--color-text-muted);}

/* Newsletter */
.newsletter{
  background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius:24px; padding:56px; text-align:center; color:#fff;
}
.newsletter h2{color:#fff;}
.newsletter p{color:rgba(255,255,255,0.85);}
.newsletter-form{display:flex; gap:10px; max-width:440px; margin:24px auto 0;}
.newsletter-form input{
  flex:1; padding:14px 18px; border-radius:var(--radius-btn); border:none; font-size:14px; outline:none;
}
.newsletter-form .btn{background:#fff; color:var(--color-primary);}
.newsletter-form .btn:hover{background:#F1F5F9;}

/* Gallery (Pinterest-style masonry) */
.masonry{column-count:4; column-gap:16px;}
.masonry img{width:100%; border-radius:14px; margin-bottom:16px; break-inside:avoid; box-shadow:var(--shadow-sm);}

/* FAQ accordion */
.accordion-item{border-bottom:1px solid var(--color-border);}
.accordion-trigger{
  width:100%; background:none; border:none; display:flex; align-items:center; justify-content:space-between;
  padding:20px 4px; font-family:var(--font-heading); font-weight:600; font-size:15.5px; text-align:left; color:var(--color-text);
}
.accordion-icon{transition:transform var(--transition); font-size:18px; color:var(--color-primary);}
.accordion-item.open .accordion-icon{transform:rotate(45deg);}
.accordion-panel{max-height:0; overflow:hidden; transition:max-height var(--transition);}
.accordion-panel p{padding:0 4px 20px;}

/* Blog */
.blog-card .product-media{aspect-ratio:16/10;}
.blog-meta{font-size:12.5px; color:var(--color-text-muted); display:flex; gap:10px; align-items:center;}

/* Forms */
.form-row{display:flex; flex-direction:column; gap:6px; margin-bottom:18px;}
.form-row label{font-size:13.5px; font-weight:600;}
.form-row input, .form-row select, .form-row textarea{
  padding:12px 16px; border-radius:var(--radius-input); border:1px solid var(--color-border);
  background:var(--color-bg); color:var(--color-text); font-size:14.5px; outline:none; transition:border-color var(--transition);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{border-color:var(--color-primary);}
.form-cols{display:grid; grid-template-columns:1fr 1fr; gap:18px;}

/* Breadcrumb */
.breadcrumb{font-size:13px; color:var(--color-text-muted); margin-bottom:20px; display:flex; gap:8px;}
.breadcrumb a:hover{color:var(--color-primary);}

/* Filters / shop layout */
.shop-layout{display:grid; grid-template-columns:260px 1fr; gap:36px; align-items:flex-start;}
.filters{
  background:var(--color-bg-section); border-radius:var(--radius-card); padding:22px; position:sticky; top:100px;
}
.filter-group{margin-bottom:22px;}
.filter-group h4{font-size:13.5px; text-transform:uppercase; letter-spacing:0.03em; margin-bottom:12px;}
.filter-group label{display:flex; align-items:center; gap:8px; font-size:14px; margin-bottom:9px; color:var(--color-text-muted); cursor:pointer;}
.filter-group input[type="checkbox"], .filter-group input[type="radio"]{accent-color:var(--color-primary);}
.shop-toolbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; flex-wrap:wrap; gap:12px;}
.shop-toolbar select{padding:10px 14px; border-radius:var(--radius-input); border:1px solid var(--color-border); background:var(--color-bg); color:var(--color-text);}

/* Product page */
.product-gallery{display:flex; flex-direction:column; gap:12px;}
.gallery-main{border-radius:var(--radius-card); overflow:hidden; border:1px solid var(--color-border); aspect-ratio:4/3; cursor:zoom-in;}
.gallery-main img{width:100%; height:100%; object-fit:cover; transition:transform 0.3s;}
.gallery-main:hover img{transform:scale(1.08);}
.gallery-thumbs{display:flex; gap:10px;}
.gallery-thumbs img{width:70px; height:70px; object-fit:cover; border-radius:10px; border:2px solid transparent; cursor:pointer;}
.gallery-thumbs img.active{border-color:var(--color-primary);}
.product-tabs{display:flex; gap:24px; border-bottom:1px solid var(--color-border); margin:32px 0 20px;}
.product-tab{padding:10px 2px; font-weight:600; font-size:14.5px; color:var(--color-text-muted); border-bottom:2px solid transparent; margin-bottom:-1px;}
.product-tab.active{color:var(--color-primary); border-color:var(--color-primary);}
.feature-list li{display:flex; gap:10px; align-items:flex-start; font-size:14.5px; color:var(--color-text-muted); margin-bottom:10px;}
.feature-list li::before{content:'✓'; color:var(--color-accent); font-weight:700;}
.trust-row{display:flex; gap:18px; flex-wrap:wrap; margin:20px 0;}
.trust-item{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--color-text-muted);}

/* Cart drawer */
.drawer-overlay{
  position:fixed; inset:0; background:rgba(17,24,39,0.45); opacity:0; pointer-events:none;
  transition:opacity var(--transition); z-index:150;
}
.drawer-overlay.open{opacity:1; pointer-events:auto;}
.drawer{
  position:fixed; top:0; right:0; height:100%; width:380px; max-width:90vw; background:var(--color-bg);
  box-shadow:var(--shadow-lg); transform:translateX(100%); transition:transform var(--transition); z-index:160;
  display:flex; flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex; justify-content:space-between; align-items:center; padding:20px 22px; border-bottom:1px solid var(--color-border);}
.drawer-body{padding:20px 22px; overflow-y:auto; flex:1;}
.drawer-item{display:flex; gap:12px; margin-bottom:16px;}
.drawer-item img{width:60px; height:60px; object-fit:cover; border-radius:10px;}
.drawer-item-info{flex:1;}
.drawer-item-info small{color:var(--color-text-muted); cursor:pointer;}
.drawer-foot{padding:20px 22px; border-top:1px solid var(--color-border);}
.drawer-total{display:flex; justify-content:space-between; font-weight:700; margin-bottom:16px;}
.empty-note{color:var(--color-text-muted); font-size:14px; text-align:center; padding:40px 0;}

/* Toast */
.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px); background:var(--color-text);
  color:#fff; padding:12px 22px; border-radius:var(--radius-btn); font-size:13.5px; z-index:200; opacity:0;
  transition:all var(--transition); pointer-events:none;
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

/* Scroll to top */
.scroll-top{
  position:fixed; bottom:24px; right:24px; width:46px; height:46px; border-radius:50%; background:var(--color-primary);
  color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-md); opacity:0;
  pointer-events:none; transition:all var(--transition); z-index:90; border:none; font-size:18px;
}
.scroll-top.show{opacity:1; pointer-events:auto;}

/* Reading progress bar */
.reading-progress{position:fixed; top:0; left:0; height:3px; background:var(--color-accent); z-index:110; width:0%;}

/* Cookie banner */
.cookie-banner{
  position:fixed; bottom:0; left:0; right:0; background:var(--color-text); color:#fff; padding:18px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px; z-index:180; flex-wrap:wrap;
  transform:translateY(100%); transition:transform var(--transition);
}
.cookie-banner.show{transform:translateY(0);}
.cookie-banner p{color:rgba(255,255,255,0.85); margin:0; font-size:13.5px; max-width:600px;}
.cookie-actions{display:flex; gap:10px;}

/* Footer */
footer{background:var(--color-bg-section); border-top:1px solid var(--color-border); padding-top:64px;}
.footer-grid{display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:40px; padding-bottom:40px;}
.footer-col h4{font-size:14px; margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px; color:var(--color-text-muted); transition:color var(--transition);}
.footer-col a:hover{color:var(--color-primary);}
.footer-social{display:flex; gap:10px; margin-top:16px;}
.footer-bottom{
  border-top:1px solid var(--color-border); padding:20px 0; display:flex; justify-content:space-between;
  align-items:center; font-size:12.5px; color:var(--color-text-muted); flex-wrap:wrap; gap:10px;
}

/* Simple pages */
.legal-content{max-width:760px; margin:0 auto;}
.legal-content h2{margin-top:2em;}
.legal-content ul{list-style:disc; padding-left:1.4em; margin-bottom:1em;}
.legal-content li{margin-bottom:6px; color:var(--color-text-muted);}

/* 404 */
.error-page{text-align:center; padding:120px 0;}
.error-code{font-family:var(--font-heading); font-size:7rem; font-weight:700; color:var(--color-primary); line-height:1;}

/* Utilities */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.flex{display:flex;}
.flex-center{display:flex; align-items:center; justify-content:center;}
.gap-8{gap:8px;}
.hidden{display:none !important;}
.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
}
.divider{height:1px; background:var(--color-border); margin:60px 0;}

/* Loading skeleton */
.skeleton{background:linear-gradient(90deg, var(--color-bg-section) 25%, var(--color-border) 37%, var(--color-bg-section) 63%); background-size:400% 100%; animation:shimmer 1.4s ease infinite;}
@keyframes shimmer{0%{background-position:100% 0;} 100%{background-position:0 0;}}

/* ============================== RESPONSIVE ============================== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .shop-layout{grid-template-columns:1fr;}
  .filters{position:static;}
  .masonry{column-count:3;}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{height:280px; margin-top:20px;}
  .nav-links{
    display:none; position:absolute; top:100%; left:0; right:0; background:var(--color-bg);
    flex-direction:column; padding:16px 24px; border-bottom:1px solid var(--color-border); gap:16px;
  }
  .nav-search{display:none;}
  .navbar.mobile-open .nav-links{display:flex;}
  .nav-toggle{display:block;}
  .steps-row{grid-template-columns:1fr;}
  .masonry{column-count:2;}
}
@media (max-width:640px){
  .grid-4, .grid-3, .grid-2{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .form-cols{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .newsletter{padding:36px 20px;}
  .masonry{column-count:2;}
}