/* ============================================================
   GIFT PLUS PREMIUM — styles.css
   ============================================================ */

/* ---- Google Fonts loaded in HTML ---- */

/* ---- CSS Variables ---- */
:root {
  --bg-primary:    #0a0e1c;
  --bg-secondary:  #0e1326;
  --bg-card:       #121930;
  --bg-card-hover: #172040;
  --gold:          #c9a43e;
  --gold-light:    #e2bc56;
  --gold-dark:     #9e7e28;
  --gold-glow:     rgba(201,164,62,.18);
  --text:          #f0e8d5;
  --text-muted:    #9a96a8;
  --border:        rgba(201,164,62,.18);
  --border-hover:  rgba(201,164,62,.55);
  --font-serif:    'Playfair Display', serif;
  --font-sans:     'Be Vietnam Pro', sans-serif;
  --nav-h:         80px;
  --radius:        4px;
  --transition:    .3s ease;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  background:var(--bg-primary);
  color:var(--text);
  font-family:var(--font-sans);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:inherit}

/* ---- Utility ---- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.text-gold{color:var(--gold)}
.text-center{text-align:center}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* Fade-up animation triggered by JS */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{
  position:fixed;top:0;left:0;right:0;
  height:var(--nav-h);z-index:999;
  transition:background var(--transition),box-shadow var(--transition);
  display:flex;align-items:center;
}
.navbar.scrolled{
  background:rgba(10,14,28,.96);
  backdrop-filter:blur(12px);
  box-shadow:0 2px 24px rgba(0,0,0,.4);
  border-bottom:1px solid var(--border);
}
.navbar .container{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;
}
.nav-logo img{height:132px;width:auto;object-fit:contain}

.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{
  font-size:.9rem;font-weight:500;letter-spacing:.06em;
  color:rgba(240,232,213,.8);
  transition:color var(--transition);
  position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:1px;background:var(--gold);
  transform:scaleX(0);transition:transform var(--transition);
}
.nav-links a:hover,
.nav-links a.active{color:var(--gold)}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;font-size:.9rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  border-radius:var(--radius);transition:all var(--transition);
  white-space:nowrap;
}
.btn-gold{
  background:var(--gold);color:#0a0e1c;
  border:1px solid var(--gold);
}
.btn-gold:hover{background:var(--gold-light);border-color:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,164,62,.35)}
.btn-outline{
  background:transparent;color:var(--gold);
  border:1px solid var(--gold);
}
.btn-outline:hover{background:var(--gold-glow);transform:translateY(-2px)}

/* Hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--gold);border-radius:2px;transition:all var(--transition)}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.open span:nth-child(2){opacity:0;transform:translateX(-8px)}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile menu */
.mobile-menu{
  display:none;position:fixed;top:var(--nav-h);left:0;right:0;
  background:rgba(10,14,28,.98);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);z-index:998;
  padding:28px 24px 36px;
  transform:translateY(-8px);opacity:0;
  transition:opacity var(--transition),transform var(--transition);
  pointer-events:none;
}
.mobile-menu.open{opacity:1;transform:translateY(0);pointer-events:all}
.mobile-menu a{
  display:block;padding:16px 0;font-size:1.1rem;font-weight:500;
  border-bottom:1px solid var(--border);color:var(--text);
  transition:color var(--transition);
}
.mobile-menu a:last-of-type{border-bottom:none}
.mobile-menu a:hover,
.mobile-menu a.active{color:var(--gold)}
.mobile-menu .btn{margin-top:20px;width:100%;justify-content:center}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero{
  padding:160px 0 80px;
  background:linear-gradient(160deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);
  border-bottom:1px solid var(--border);
  text-align:center;position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 80% at 50% 0%,rgba(201,164,62,.07) 0%,transparent 70%);
  pointer-events:none;
}
.page-hero-label{
  font-size:.78rem;font-weight:700;letter-spacing:.25em;
  text-transform:uppercase;color:var(--gold);margin-bottom:16px;display:block;
}
.page-hero h1{
  font-family:var(--font-serif);font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:700;line-height:1.2;margin-bottom:20px;
}
.page-hero p{
  font-size:1.1rem;color:var(--text-muted);max-width:580px;margin:0 auto;
}

/* ============================================================
   HOME HERO
   ============================================================ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../images/hero-bg.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(
    105deg,
    rgba(10,14,28,.92) 0%,
    rgba(10,14,28,.75) 50%,
    rgba(10,14,28,.55) 100%
  );
}
.hero-content{
  position:relative;z-index:2;max-width:700px;
  padding-top:var(--nav-h);
}
.hero-label{
  font-size:.78rem;font-weight:700;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);margin-bottom:24px;
  display:flex;align-items:center;gap:12px;
}
.hero-label::before{content:'';display:block;width:40px;height:1px;background:var(--gold)}
.hero h1{
  font-family:var(--font-serif);
  font-size:clamp(2.8rem,6vw,4.8rem);
  font-weight:700;line-height:1.15;margin-bottom:28px;
}
.hero h1 em{color:var(--gold);font-style:italic}
.hero-slogan{
  font-size:1rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);
  margin-bottom:20px;
}
.hero p{
  font-size:1.1rem;color:rgba(240,232,213,.8);
  max-width:540px;margin-bottom:40px;line-height:1.8;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--text-muted);z-index:2;
}
.hero-scroll span{
  display:block;width:1px;height:40px;background:var(--gold);
  animation:scrollPulse 1.8s ease infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.3;transform:scaleY(.5)}50%{opacity:1;transform:scaleY(1)}}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.section-heading{margin-bottom:60px}
.section-heading .label{
  font-size:.78rem;font-weight:700;letter-spacing:.25em;
  text-transform:uppercase;color:var(--gold);margin-bottom:16px;
  display:block;
}
.section-heading h2{
  font-family:var(--font-serif);font-size:clamp(1.9rem,4vw,3rem);
  font-weight:700;line-height:1.25;margin-bottom:20px;
}
.section-heading .divider{
  width:60px;height:2px;background:var(--gold);margin:20px 0;
}
.section-heading p{
  font-size:1rem;color:var(--text-muted);max-width:580px;line-height:1.85;
}
.section-heading.center{text-align:center}
.section-heading.center .divider{margin-left:auto;margin-right:auto}
.section-heading.center p{margin:0 auto}

/* ============================================================
   HOME — CATEGORIES
   ============================================================ */
.categories-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;
}
.category-card{
  position:relative;border-radius:8px;overflow:hidden;
  border:1px solid var(--border);
  transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition);
  background:var(--bg-card);
  aspect-ratio:4/3;
}
.category-card:hover{
  border-color:var(--border-hover);
  transform:translateY(-6px);
  box-shadow:0 20px 48px rgba(0,0,0,.4),0 0 0 1px var(--gold-glow);
}
.category-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.category-card:hover img{transform:scale(1.06)}
.category-card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,14,28,.92) 0%,rgba(10,14,28,.2) 60%,transparent 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;
}
.category-card-overlay h3{
  font-family:var(--font-serif);font-size:1.4rem;font-weight:700;margin-bottom:8px;
}
.category-card-overlay p{font-size:.88rem;color:rgba(240,232,213,.75);margin-bottom:16px}
.category-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gold);
}
.category-tag::after{content:'→';transition:transform var(--transition)}
.category-card:hover .category-tag::after{transform:translateX(6px)}

/* ============================================================
   HOME — WHY US
   ============================================================ */
.why-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;
}
.why-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:8px;padding:40px 32px;
  transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition);
}
.why-card:hover{
  border-color:var(--border-hover);
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.why-icon{
  width:60px;height:60px;border-radius:50%;
  background:var(--gold-glow);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:24px;
  font-size:1.6rem;
  transition:background var(--transition),border-color var(--transition);
}
.why-card:hover .why-icon{background:rgba(201,164,62,.25);border-color:var(--gold)}
.why-card h3{
  font-family:var(--font-serif);font-size:1.2rem;font-weight:700;margin-bottom:12px;
}
.why-card p{font-size:.9rem;color:var(--text-muted);line-height:1.85}

/* ============================================================
   STATS
   ============================================================ */
.stats-section{
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;
}
.stat-item{
  text-align:center;padding:48px 24px;
  border-right:1px solid var(--border);
}
.stat-item:last-child{border-right:none}
.stat-number{
  font-family:var(--font-serif);font-size:3rem;font-weight:700;
  color:var(--gold);line-height:1;margin-bottom:8px;display:block;
}
.stat-label{font-size:.88rem;color:var(--text-muted);letter-spacing:.06em}

/* ============================================================
   HOME — CTA BANNER
   ============================================================ */
.cta-banner{
  background:linear-gradient(135deg,#0e1326 0%,#141b2d 100%);
  border:1px solid var(--border);border-radius:12px;
  padding:72px 64px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 80% at 50% 50%,rgba(201,164,62,.06) 0%,transparent 70%);
  pointer-events:none;
}
.cta-banner h2{
  font-family:var(--font-serif);font-size:clamp(1.8rem,4vw,2.8rem);
  font-weight:700;margin-bottom:16px;position:relative;
}
.cta-banner p{
  font-size:1.05rem;color:var(--text-muted);max-width:520px;
  margin:0 auto 36px;position:relative;
}
.cta-banner .btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-story{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-story-img{
  position:relative;border-radius:8px;overflow:hidden;
  border:1px solid var(--border);
}
.about-story-img img{width:100%;height:480px;object-fit:cover}
.about-story-img::after{
  content:'';position:absolute;inset:0;
  border:1px solid var(--gold-dark);
  border-radius:8px;
  transform:translate(12px,12px);
  pointer-events:none;
  z-index:-1;
}
.about-story-content .label{
  font-size:.78rem;font-weight:700;letter-spacing:.25em;
  text-transform:uppercase;color:var(--gold);margin-bottom:16px;display:block;
}
.about-story-content h2{
  font-family:var(--font-serif);font-size:clamp(1.9rem,3.5vw,2.8rem);
  font-weight:700;margin-bottom:24px;line-height:1.25;
}
.about-story-content p{
  font-size:1rem;color:var(--text-muted);line-height:1.9;margin-bottom:20px;
}
.about-story-content .divider{width:50px;height:2px;background:var(--gold);margin:28px 0}

.values-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px;
}
.value-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:8px;padding:40px 32px;
  transition:border-color var(--transition),transform var(--transition);
}
.value-card:hover{border-color:var(--border-hover);transform:translateY(-4px)}
.value-number{
  font-family:var(--font-serif);font-size:3.5rem;font-weight:700;
  color:var(--border);line-height:1;margin-bottom:20px;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-dark) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.value-card h3{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;margin-bottom:14px}
.value-card p{font-size:.9rem;color:var(--text-muted);line-height:1.85}

.commitment-quote{
  background:var(--bg-secondary);border-left:3px solid var(--gold);
  border-radius:0 8px 8px 0;padding:48px 48px;max-width:760px;margin:0 auto;
}
.commitment-quote blockquote{
  font-family:var(--font-serif);font-size:clamp(1.3rem,3vw,1.8rem);
  font-style:italic;line-height:1.6;color:var(--text);margin-bottom:24px;
}
.commitment-quote cite{
  font-size:.9rem;color:var(--gold);font-style:normal;font-weight:600;letter-spacing:.1em;
}

/* ============================================================
   CATALOG PAGE
   ============================================================ */
.tabs-nav{
  display:flex;gap:0;border:1px solid var(--border);
  border-radius:6px;overflow:hidden;margin-bottom:56px;
  width:fit-content;
}
.tab-btn{
  padding:14px 36px;font-size:.9rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  background:transparent;color:var(--text-muted);
  border:none;cursor:pointer;
  transition:all var(--transition);
  border-right:1px solid var(--border);
  font-family:var(--font-sans);
}
.tab-btn:last-child{border-right:none}
.tab-btn:hover{color:var(--gold);background:var(--gold-glow)}
.tab-btn.active{background:var(--gold);color:#0a0e1c}

.tab-panel{display:none}
.tab-panel.active{display:block}

.products-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px;
}
.product-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:8px;overflow:hidden;
  transition:border-color var(--transition),transform var(--transition),box-shadow var(--transition);
}
.product-card:hover{
  border-color:var(--border-hover);
  transform:translateY(-6px);
  box-shadow:0 20px 48px rgba(0,0,0,.4);
}
.product-img{
  aspect-ratio:4/3;overflow:hidden;background:var(--bg-secondary);
}
.product-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-body{padding:28px}
.product-tag{
  font-size:.72rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);margin-bottom:10px;display:block;
}
.product-body h3{
  font-family:var(--font-serif);font-size:1.15rem;font-weight:700;
  margin-bottom:12px;line-height:1.35;
}
.product-body p{
  font-size:.88rem;color:var(--text-muted);line-height:1.8;margin-bottom:24px;
}
.product-card .btn{width:100%;justify-content:center;font-size:.82rem;padding:11px 20px}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid{
  display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start;
}
.contact-info h2{
  font-family:var(--font-serif);font-size:1.8rem;font-weight:700;margin-bottom:16px;
}
.contact-info > p{font-size:.95rem;color:var(--text-muted);margin-bottom:36px;line-height:1.8}
.contact-detail{display:flex;gap:18px;margin-bottom:28px;align-items:flex-start}
.contact-detail-icon{
  width:46px;height:46px;border-radius:50%;
  background:var(--gold-glow);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;flex-shrink:0;
  margin-top:2px;
}
.contact-detail-text strong{
  display:block;font-size:.82rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);margin-bottom:4px;
}
.contact-detail-text span{font-size:.95rem;color:var(--text-muted);line-height:1.7}

.contact-hours{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:8px;padding:28px;margin-top:12px;
}
.contact-hours h4{
  font-size:.82rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:var(--gold);margin-bottom:16px;
}
.hours-row{
  display:flex;justify-content:space-between;
  font-size:.9rem;padding:8px 0;
  border-bottom:1px solid var(--border);
}
.hours-row:last-child{border-bottom:none}
.hours-row span:first-child{color:var(--text-muted)}
.hours-row span:last-child{color:var(--text);font-weight:500}

/* Form */
.contact-form-wrap{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:8px;padding:48px;
}
.contact-form-wrap h2{
  font-family:var(--font-serif);font-size:1.6rem;font-weight:700;margin-bottom:32px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:.8rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);margin-bottom:8px;
}
.form-group input,
.form-group textarea,
.form-group select{
  width:100%;padding:14px 16px;
  background:var(--bg-secondary);
  border:1px solid var(--border);
  border-radius:var(--radius);
  color:var(--text);font-size:.95rem;
  transition:border-color var(--transition),box-shadow var(--transition);
  outline:none;
  -webkit-appearance:none;appearance:none;
}
.form-group select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23c9a43e' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  padding-right:40px;
}
.form-group input::placeholder,
.form-group textarea::placeholder{color:rgba(154,150,168,.5)}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 3px var(--gold-glow);
}
.form-group textarea{resize:vertical;min-height:140px}
.form-group .error-msg{
  display:none;font-size:.8rem;color:#e86f6f;margin-top:6px;
}
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select{border-color:#e86f6f}
.form-group.has-error .error-msg{display:block}
.form-success{
  display:none;
  background:rgba(80,200,120,.1);border:1px solid rgba(80,200,120,.3);
  border-radius:6px;padding:20px 24px;
  color:#6edda0;font-size:.95rem;margin-top:20px;text-align:center;
}
.form-success.visible{display:block}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  padding:72px 0 36px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:56px;
}
.footer-brand img{height:144px;width:auto;object-fit:contain;margin-bottom:20px}
.footer-brand p{font-size:.88rem;color:var(--text-muted);line-height:1.85;margin-bottom:24px}
.footer-social{display:flex;gap:10px}
.social-link{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);
  transition:all var(--transition);
  font-size:1rem;
}
.social-link:hover{border-color:var(--gold);color:var(--gold);background:var(--gold-glow)}

.footer-col h3{
  font-family:var(--font-serif);font-size:1.05rem;color:var(--gold);
  margin-bottom:24px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  font-size:.88rem;color:var(--text-muted);
  transition:color var(--transition);
}
.footer-col ul li a:hover{color:var(--gold)}
.footer-contact-item{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.footer-contact-item .icon{color:var(--gold);font-size:.9rem;margin-top:3px;flex-shrink:0}
.footer-contact-item span{font-size:.88rem;color:var(--text-muted);line-height:1.7}

.footer-bottom{
  border-top:1px solid var(--border);padding-top:28px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.footer-bottom p{font-size:.82rem;color:var(--text-muted)}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{font-size:.82rem;color:var(--text-muted);transition:color var(--transition)}
.footer-bottom-links a:hover{color:var(--gold)}

/* ============================================================
   FLOATING CONTACT
   ============================================================ */
.floating-contact{
  position:fixed;bottom:32px;right:28px;
  display:flex;flex-direction:column;gap:12px;z-index:990;
}
.float-btn{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.4);
  font-size:1.35rem;
  transition:transform var(--transition),box-shadow var(--transition);
  position:relative;
}
.float-btn:hover{transform:scale(1.12);box-shadow:0 10px 28px rgba(0,0,0,.5)}
.float-btn-zalo{background:#1e75e4;color:#fff}
.float-btn-messenger{background:linear-gradient(135deg,#0099ff,#a033ff);color:#fff}
.float-btn-phone{background:var(--gold);color:#0a0e1c}
.float-btn .tooltip{
  position:absolute;right:62px;
  background:rgba(10,14,28,.95);border:1px solid var(--border);
  color:var(--text);font-size:.8rem;font-weight:500;
  padding:5px 12px;border-radius:4px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity var(--transition);
}
.float-btn:hover .tooltip{opacity:1}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .about-story{grid-template-columns:1fr;gap:48px}
  .about-story-img{order:-1}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  :root{--nav-h:66px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .mobile-menu{display:block}
  .hero h1{font-size:2.4rem}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .hero-cta .btn{width:100%;justify-content:center}
  .hero-scroll{display:none}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2n){border-right:none}
  .stat-item{border-bottom:1px solid var(--border)}
  .stat-item:nth-last-child(-n+2){border-bottom:none}
  .cta-banner{padding:48px 28px}
  .cta-banner .btn-group{flex-direction:column;align-items:center}
  .about-story-img img{height:320px}
  .form-row{grid-template-columns:1fr}
  .contact-form-wrap{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .tabs-nav{width:100%;flex-direction:column}
  .tab-btn{border-right:none;border-bottom:1px solid var(--border)}
  .tab-btn:last-child{border-bottom:none}
  .page-hero{padding:130px 0 64px}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .categories-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .values-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr}
  .floating-contact{bottom:20px;right:16px}
  .float-btn{width:46px;height:46px;font-size:1.15rem}
}