/* ============================================
   GIẤY JUXI – PROFESSIONAL LAYOUT
   Wide, dense, cohesive design
   ============================================ */
:root {
  --c-primary: #1a6b30;
  --c-primary-l: #2a8f44;
  --c-primary-d: #114d22;
  --c-primary-50: #eef7f0;
  --c-primary-100: #d0ebd6;
  --c-accent: #f5c842;
  --c-accent-d: #d4a820;
  --c-white: #ffffff;
  --c-bg: #fafcfb;
  --c-text: #1a2820;
  --c-text-2: #4a5a50;
  --c-text-3: #7a8a80;
  --c-border: #dde8e0;
  --c-gray-50: #f5f7f6;
  --c-gray-100: #eaedeb;
  --c-gray-900: #0f1812;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.05);
  --shadow-md: 0 4px 20px rgba(0,0,0,.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.1);
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-full: 100px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --header-h: 72px;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* Reset */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{font-family:var(--font);font-size:.9375rem;color:var(--c-text);background:var(--c-bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--c-primary-100);color:var(--c-primary-d)}

.container-wide{max-width:1280px;margin:0 auto;padding:0 32px}

/* ---- Shared ---- */
.tag-label{display:inline-block;font-size:.6875rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--c-primary-l);margin-bottom:8px}
.tag-label--light{color:var(--c-accent)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.875rem;border-radius:var(--r-full);padding:12px 26px;transition:all .25s var(--ease);cursor:pointer;border:none;text-decoration:none;white-space:nowrap;letter-spacing:.2px}
.btn--accent{background:linear-gradient(135deg,var(--c-accent),var(--c-accent-d));color:var(--c-gray-900);box-shadow:0 4px 16px rgba(245,200,66,.25)}
.btn--accent:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(245,200,66,.4)}
.btn--white{background:var(--c-white);color:var(--c-text);box-shadow:var(--shadow-sm)}
.btn--white:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.btn--lg{padding:14px 32px;font-size:.9375rem}
.btn--full{width:100%;text-align:center;justify-content:center}


/* ============================================
   HEADER
   ============================================ */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,0,0,.05);transition:box-shadow .3s var(--ease)}
.header--scrolled{box-shadow:0 2px 16px rgba(0,0,0,.06)}
.header__inner{max-width:1280px;margin:0 auto;padding:0 32px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:6px;font-size:1.4rem;font-weight:800;color:var(--c-text);letter-spacing:-.5px;flex-shrink:0}
.logo--white{color:#fff}
.logo__leaf{font-size:1.45rem}
.logo__accent{color:var(--c-primary)}
.nav{display:flex;gap:4px}
.nav__link{font-size:.9375rem;font-weight:600;color:var(--c-text-2);padding:10px 20px;border-radius:var(--r);transition:all .2s var(--ease)}
.nav__link:hover,.nav__link.active{color:var(--c-primary);background:var(--c-primary-50)}
.header__right{display:flex;align-items:center;gap:14px}
.header__social{color:var(--c-text-3);display:flex;transition:color .2s}
.header__social:hover{color:#1877f2}
.header__phone{display:flex;align-items:center;gap:10px;background:var(--c-primary);color:#fff;font-size:.9375rem;font-weight:700;padding:10px 22px;border-radius:var(--r-full);transition:all .25s var(--ease)}
.header__phone:hover{background:var(--c-primary-d);box-shadow:0 4px 12px rgba(26,107,48,.2)}
.header__phone span{line-height:1}
.hamburger{display:none;flex-direction:column;gap:5px;width:36px;height:36px;padding:7px;border-radius:var(--r)}
.hamburger span{display:block;width:100%;height:2px;background:var(--c-text);border-radius:2px;transition:all .3s var(--ease);transform-origin:center}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}


/* ============================================
   HERO – split layout, fills horizontal space
   ============================================ */
.hero{background:linear-gradient(165deg,var(--c-primary-d) 0%,var(--c-primary) 50%,var(--c-primary-l) 100%);color:#fff;padding:0;overflow:hidden}
.hero__inner{max-width:1280px;margin:0 auto;padding:64px 32px 56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:calc(100vh - var(--header-h))}

.hero__tag{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;color:var(--c-accent);padding:6px 16px;background:rgba(245,200,66,.1);border:1px solid rgba(245,200,66,.2);border-radius:var(--r-full);margin-bottom:24px;backdrop-filter:blur(8px)}
.hero__tag-dot{width:7px;height:7px;background:var(--c-accent);border-radius:50%;animation:dotPulse 2s ease-in-out infinite}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

.hero__title{font-size:clamp(1.8rem,4.5vw,3rem);font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-.5px}
.hero__title span{color:var(--c-accent)}

.hero__desc{font-size:1rem;line-height:1.8;opacity:.88;margin-bottom:32px;max-width:520px}

.hero__btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}

.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);overflow:hidden}
.hero__stat{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 8px;text-align:center;border-right:1px solid rgba(255,255,255,.06)}
.hero__stat:last-child{border-right:none}
.hero__stat strong{font-size:1.3rem;line-height:1}
.hero__stat span{font-size:.7rem;font-weight:600;color:rgba(255,255,255,.65)}

/* Hero visual – mosaic grid */
.hero__visual{position:relative}
.hero__img-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:10px;height:100%;min-height:420px}
.hero__img{border-radius:var(--r-lg);overflow:hidden}
.hero__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero__img:hover img{transform:scale(1.04)}
.hero__img--big{grid-row:1/3;border-radius:var(--r-lg)}
.hero__img--sm1{border-radius:var(--r-lg)}
.hero__img--sm2{border-radius:var(--r-lg)}


/* ============================================
   PRODUCTS – Card Grid
   ============================================ */
.products{padding:80px 0;background:var(--c-white)}

.products__header{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:40px}
.products__header-left{flex-shrink:0}
.products__title{font-size:clamp(1.4rem,3.5vw,2rem);font-weight:800;line-height:1.25}
.products__title span{color:var(--c-primary)}
.products__header-right{font-size:.875rem;color:var(--c-text-2);max-width:400px;text-align:right;line-height:1.7}

.products__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* Card */
.card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-xl);overflow:hidden;transition:all .3s var(--ease);display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);border-color:var(--c-primary-100);transform:translateY(-4px)}

.card__gallery{position:relative}
.card__slide{position:relative;aspect-ratio:4/3;overflow:hidden;cursor:zoom-in;background:var(--c-gray-50)}
.card__slide img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__slide img{transform:scale(1.03)}
.card__badge{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,var(--c-accent),var(--c-accent-d));color:var(--c-gray-900);font-size:.65rem;font-weight:700;padding:4px 12px;border-radius:var(--r-full);letter-spacing:.3px;text-transform:uppercase;z-index:2}
.card__badge--blue{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}

/* Card in-slide navigation arrows */
.card__nav{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 8px;opacity:0;transition:opacity .2s;z-index:2}
.card:hover .card__nav{opacity:1}
.card__arrow{width:32px;height:32px;background:rgba(0,0,0,.4);backdrop-filter:blur(6px);border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;transition:all .2s}
.card__arrow:hover{background:rgba(0,0,0,.6);transform:scale(1.1)}

/* Thumbnails */
.card__thumbs{display:flex;gap:6px;padding:8px 12px;background:var(--c-gray-50)}
.card__th{width:48px;height:36px;border-radius:6px;overflow:hidden;border:2px solid transparent;padding:0;background:var(--c-gray-100);cursor:pointer;transition:all .2s;flex-shrink:0}
.card__th img{width:100%;height:100%;object-fit:cover}
.card__th:hover{border-color:var(--c-primary-l)}
.card__th.active{border-color:var(--c-primary);box-shadow:0 0 0 1px var(--c-primary)}

/* Card body */
.card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.card__name{font-size:1.05rem;font-weight:800;margin-bottom:8px;line-height:1.3}
.card__desc{font-size:.8125rem;color:var(--c-text-2);line-height:1.7;margin-bottom:16px;flex:1}
.card__tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.card__tags li{font-size:.6875rem;font-weight:600;color:var(--c-primary);padding:4px 10px;background:var(--c-primary-50);border-radius:var(--r-full)}


/* ============================================
   ABOUT
   ============================================ */
.about{padding:80px 0;background:var(--c-gray-50)}
.about__inner{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.about__media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.about__img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about__media-badge{position:absolute;bottom:16px;left:16px;background:rgba(0,0,0,.55);backdrop-filter:blur(10px);color:#fff;padding:10px 18px;border-radius:var(--r);font-size:.8125rem}
.about__media-badge strong{display:block;font-weight:700}
.about__media-badge span{font-size:.75rem;opacity:.7}

.about__title{font-size:clamp(1.3rem,3vw,1.75rem);font-weight:800;line-height:1.3;margin-bottom:16px}
.about__title span{color:var(--c-primary)}
.about__text{font-size:.875rem;color:var(--c-text-2);line-height:1.8;margin-bottom:8px}
.about__features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.about__feat{display:flex;gap:12px;padding:14px;background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);transition:all .25s var(--ease)}
.about__feat:hover{border-color:var(--c-primary-100);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.about__feat>span{font-size:1.2rem;flex-shrink:0;margin-top:2px}
.about__feat strong{display:block;font-size:.8125rem;font-weight:700;margin-bottom:2px}
.about__feat p{font-size:.75rem;color:var(--c-text-3);line-height:1.5;margin:0}


/* ============================================
   TARGETS
   ============================================ */
.targets{padding:32px 0;background:var(--c-white);border-top:1px solid var(--c-gray-100);border-bottom:1px solid var(--c-gray-100)}
.targets__inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.targets__label{font-size:.8125rem;font-weight:700;color:var(--c-text-3);white-space:nowrap;text-transform:uppercase;letter-spacing:1px}
.targets__list{display:flex;flex-wrap:wrap;gap:8px}
.targets__tag{font-size:.75rem;font-weight:600;color:var(--c-text-2);padding:8px 16px;background:var(--c-gray-50);border:1px solid var(--c-border);border-radius:var(--r-full);transition:all .2s var(--ease);white-space:nowrap}
.targets__tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}


/* ============================================
   CONTACT
   ============================================ */
.contact{background:linear-gradient(150deg,var(--c-primary-d),var(--c-primary),var(--c-primary-l));padding:80px 0;position:relative;overflow:hidden}
.contact::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 15% 50%,rgba(245,200,66,.06),transparent 50%),radial-gradient(circle at 85% 50%,rgba(255,255,255,.04),transparent 50%);pointer-events:none}
.contact__inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;position:relative;z-index:1}
.contact__title{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:800;color:#fff;line-height:1.25;margin-bottom:10px}
.contact__title span{color:var(--c-accent)}
.contact__desc{font-size:.875rem;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:32px;max-width:480px}
.contact__channels{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.contact__ch{display:flex;align-items:center;gap:12px;padding:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);color:#fff;transition:all .2s var(--ease)}
.contact__ch:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.contact__ch-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:var(--r);flex-shrink:0;font-size:1rem}
.contact__ch strong{display:block;font-size:.7rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.contact__ch span{font-size:.8125rem;color:rgba(255,255,255,.65)}

/* Form */
.form{background:var(--c-white);border-radius:var(--r-xl);padding:32px;box-shadow:var(--shadow-lg)}
.form__title{font-size:1.1rem;font-weight:800;margin-bottom:2px}
.form__sub{font-size:.75rem;color:var(--c-text-3);margin-bottom:20px}
.form__group{margin-bottom:14px}
.form__group label{display:block;font-size:.75rem;font-weight:600;color:var(--c-text-2);margin-bottom:6px}
.form__group input,.form__group select,.form__group textarea{width:100%;border:1.5px solid var(--c-gray-100);border-radius:var(--r);padding:11px 14px;font-size:.875rem;font-family:var(--font);color:var(--c-text);outline:none;transition:border-color .2s,box-shadow .2s;background:var(--c-white)}
.form__group input:focus,.form__group select:focus,.form__group textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,107,48,.08)}
.form__group input::placeholder,.form__group textarea::placeholder{color:var(--c-text-3)}
.form__group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a8a80' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.form__group textarea{resize:vertical;min-height:70px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form__note{font-size:.75rem;color:var(--c-text-3);text-align:center;margin-top:12px}
.form__note a{color:var(--c-primary);font-weight:700}

/* Success */
.form--success{text-align:center;padding:48px 32px}
.form--success__icon{font-size:3rem;margin-bottom:12px;display:block;animation:pop .5s var(--ease)}
@keyframes pop{0%{transform:scale(0)}50%{transform:scale(1.2)}100%{transform:scale(1)}}
.form--success h3{font-size:1.1rem;font-weight:800;color:var(--c-primary);margin-bottom:6px}
.form--success p{font-size:.875rem;color:var(--c-text-2);line-height:1.6}
.form--success a{color:var(--c-primary);font-weight:700}


/* ============================================
   FOOTER
   ============================================ */
.footer{background:var(--c-gray-900);color:rgba(255,255,255,.45);padding:56px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.5fr .8fr 1fr;gap:40px;margin-bottom:32px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer__brand p{font-size:.8125rem;line-height:1.7;margin-top:14px;max-width:360px}
.footer__col h4{color:#fff;font-size:.875rem;font-weight:700;margin-bottom:16px}
.footer__col{display:flex;flex-direction:column;gap:10px;font-size:.8125rem}
.footer__col a{transition:color .2s}
.footer__col a:hover{color:var(--c-accent)}
.footer__bottom{text-align:center;font-size:.7rem;color:rgba(255,255,255,.25)}


/* ============================================
   FLOATING · BACK TO TOP
   ============================================ */
.float-btns{position:fixed;bottom:24px;right:20px;z-index:900;display:flex;flex-direction:column;gap:10px}
.float-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .25s var(--ease);position:relative}
.float-btn--green{background:var(--c-primary);box-shadow:0 4px 16px rgba(26,107,48,.3)}
.float-btn--blue{background:#0068ff;box-shadow:0 4px 16px rgba(0,104,255,.3)}
.float-btn:hover{transform:translateY(-3px) scale(1.08)}
.float-btn::after{content:'';position:absolute;inset:0;border-radius:50%;animation:pulse 2.5s ease-in-out infinite}
.float-btn--green::after{box-shadow:0 0 0 0 rgba(26,107,48,.4)}
.float-btn--blue::after{box-shadow:0 0 0 0 rgba(0,104,255,.4);animation-delay:1.2s}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(26,107,48,.4)}70%{box-shadow:0 0 0 12px rgba(26,107,48,0)}100%{box-shadow:0 0 0 0 rgba(26,107,48,0)}}

.to-top{position:fixed;bottom:24px;left:20px;z-index:900;width:42px;height:42px;background:var(--c-white);border:1.5px solid var(--c-border);border-radius:50%;color:var(--c-primary);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease)}
.to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}


/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lightbox__bg{position:absolute;inset:0;background:rgba(0,0,0,.92);backdrop-filter:blur(8px);animation:lbIn .2s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lightbox__body{position:relative;z-index:1;width:92%;max-width:900px;display:flex;align-items:center;justify-content:center}
.lightbox__img{max-width:100%;max-height:82vh;object-fit:contain;border-radius:var(--r);box-shadow:0 16px 48px rgba(0,0,0,.4);user-select:none;animation:lbZoom .25s ease}
@keyframes lbZoom{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
.lightbox__close{position:absolute;top:-48px;right:0;width:40px;height:40px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);border-radius:50%;color:#fff;font-size:1.6rem;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:1}
.lightbox__close:hover{background:rgba(255,255,255,.2);transform:scale(1.1)}
.lightbox__arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:2}
.lightbox__arrow:hover{background:rgba(255,255,255,.2)}
.lightbox__arrow:disabled{opacity:.25;cursor:default}
.lightbox__arrow--l{left:-56px}
.lightbox__arrow--r{right:-56px}
.lightbox__counter{position:absolute;bottom:-36px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.45);font-size:.8125rem;font-weight:600}


/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate]{opacity:0;transform:translateY(24px);transition:opacity .55s ease,transform .55s ease}
[data-animate].animated{opacity:1;transform:translateY(0)}


/* ============================================
   RESPONSIVE – TABLET (≤1024px)
   ============================================ */
@media(max-width:1024px){
  .container-wide{padding:0 24px}
  .header__inner{padding:0 24px}

  /* Hero → stack */
  .hero__inner{grid-template-columns:1fr;gap:36px;min-height:auto;padding:48px 24px}
  .hero__visual{max-width:560px;margin:0 auto}
  .hero__desc{max-width:100%}

  /* Products → 2 col */
  .products__header{flex-direction:column;align-items:flex-start;gap:8px}
  .products__header-right{text-align:left;max-width:100%}
  .products__grid{grid-template-columns:repeat(2,1fr);gap:20px}

  /* About → stack */
  .about__inner{grid-template-columns:1fr;gap:32px}
  .about__media{max-width:560px}

  /* Contact → stack */
  .contact__inner{grid-template-columns:1fr;gap:32px}
  .contact__channels{grid-template-columns:repeat(2,1fr)}

  /* Footer → 2 col */
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer__brand{grid-column:1/-1}
}


/* ============================================
   RESPONSIVE – MOBILE (≤768px)
   ============================================ */
@media(max-width:768px){
  :root{--header-h:56px}
  .container-wide{padding:0 16px}
  .header__inner{padding:0 16px}

  /* Nav → hamburger dropdown */
  .nav{
    display:none;
    position:fixed;
    top:var(--header-h);
    left:0;right:0;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    flex-direction:column;
    padding:8px 16px 16px;
    border-bottom:1px solid var(--c-border);
    box-shadow:0 8px 32px rgba(0,0,0,.1);
    animation:navSlide .2s ease;
  }
  @keyframes navSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
  .nav.open{display:flex}
  .nav__link{
    width:100%;
    padding:14px 16px;
    font-size:.9375rem;
    border-radius:var(--r);
    border-bottom:1px solid var(--c-gray-100);
  }
  .nav__link:last-child{border-bottom:none}
  .hamburger{display:flex}

  /* Header phone → icon only */
  .header__phone span{display:none}
  .header__phone{width:38px;height:38px;padding:0;justify-content:center;border-radius:50%}

  /* Hero */
  .hero__inner{padding:28px 16px 36px;gap:24px}
  .hero__tag{font-size:.7rem;padding:5px 12px}
  .hero__title{font-size:1.6rem;margin-bottom:14px}
  .hero__desc{font-size:.875rem;line-height:1.7;margin-bottom:24px}
  .hero__btns{flex-direction:column;align-items:stretch;gap:10px}
  .hero__btns .btn{width:100%;justify-content:center;padding:14px 20px}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__stat{border-right:none;padding:14px 8px}
  .hero__stat:nth-child(1),.hero__stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.06)}
  .hero__stat strong{font-size:1.15rem}
  .hero__stat span{font-size:.65rem}

  /* Hero image grid → adjust ratio */
  .hero__img-grid{min-height:240px;gap:6px}

  /* Products */
  .products{padding:48px 0}
  .products__grid{grid-template-columns:1fr;gap:20px;max-width:480px;margin:0 auto}
  .products__header{margin-bottom:28px}
  .products__title{font-size:1.3rem}

  /* Card adjustments */
  .card__slide{aspect-ratio:3/2}
  .card__nav{opacity:1} /* Always show arrows on mobile (no hover) */
  .card__arrow{width:36px;height:36px;background:rgba(0,0,0,.35)}
  .card__thumbs{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:8px 10px;gap:6px}
  .card__thumbs::-webkit-scrollbar{display:none}
  .card__th{width:52px;height:40px;flex-shrink:0}
  .card__body{padding:16px}
  .card__name{font-size:1rem}
  .card__desc{font-size:.8125rem;line-height:1.65}
  .card__tags{gap:5px}
  .card__tags li{font-size:.65rem;padding:4px 8px}
  .card:hover{transform:none} /* Disable lift on mobile – no hover */

  /* About */
  .about{padding:48px 0}
  .about__title{font-size:1.25rem}
  .about__text{font-size:.8125rem}
  .about__features{grid-template-columns:1fr;gap:10px}
  .about__feat{padding:12px}
  .about__feat strong{font-size:.8125rem}
  .about__feat p{font-size:.7rem}

  /* Targets */
  .targets{padding:24px 0}
  .targets__inner{flex-direction:column;align-items:flex-start;gap:10px}
  .targets__label{font-size:.75rem}
  .targets__list{
    display:flex;
    flex-wrap:nowrap;
    gap:8px;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-bottom:4px;
    width:100%;
  }
  .targets__list::-webkit-scrollbar{display:none}
  .targets__tag{font-size:.7rem;padding:7px 14px;flex-shrink:0}

  /* Contact */
  .contact{padding:48px 0}
  .contact__title{font-size:1.35rem}
  .contact__desc{font-size:.8125rem;margin-bottom:24px}
  .contact__channels{grid-template-columns:1fr 1fr;gap:8px}
  .contact__ch{padding:12px 10px;gap:10px}
  .contact__ch-icon{width:32px;height:32px}
  .contact__ch strong{font-size:.65rem}
  .contact__ch span{font-size:.75rem}

  /* Form */
  .form{padding:20px;border-radius:var(--r-lg)}
  .form__title{font-size:1rem}
  .form__row{grid-template-columns:1fr}
  /* Prevent iOS zoom on input focus */
  .form__group input,
  .form__group select,
  .form__group textarea{font-size:16px;padding:12px 14px}

  /* Footer */
  .footer{padding:40px 0 20px}
  .footer__grid{grid-template-columns:1fr;gap:24px;margin-bottom:24px;padding-bottom:20px}
  .footer__brand{grid-column:auto}
  .footer__brand p{font-size:.8125rem}
  .footer__col h4{margin-bottom:10px}
  .footer__col{gap:8px}

  /* Floating buttons */
  .float-btns{bottom:16px;right:12px;gap:8px}
  .float-btn{width:46px;height:46px}
  .to-top{bottom:16px;left:12px;width:38px;height:38px}

  /* Lightbox → arrows inside */
  .lightbox__body{width:96%;max-width:none}
  .lightbox__arrow{width:38px;height:38px}
  .lightbox__arrow--l{left:8px}
  .lightbox__arrow--r{right:8px}
  .lightbox__close{top:-42px;right:4px;width:36px;height:36px;font-size:1.4rem}
  .lightbox__counter{bottom:-30px;font-size:.75rem}
  .lightbox__img{border-radius:var(--r);max-height:75vh}
}


/* ============================================
   RESPONSIVE – SMALL MOBILE (≤400px)
   ============================================ */
@media(max-width:400px){
  .hero__title{font-size:1.35rem}
  .hero__desc{font-size:.8125rem}
  .hero__tag{font-size:.65rem;padding:4px 10px;gap:6px}

  /* Hero images → 2 stacked rows */
  .hero__img-grid{
    grid-template-columns:1fr 1fr;
    grid-template-rows:auto auto;
    min-height:200px;
    gap:5px;
  }
  .hero__img--big{grid-row:1/2;grid-column:1/-1;aspect-ratio:16/9}
  .hero__img--sm1{aspect-ratio:4/3}
  .hero__img--sm2{aspect-ratio:4/3}

  /* Stats → still 2 col but tighter */
  .hero__stat{padding:10px 6px}
  .hero__stat strong{font-size:1rem}

  /* Cards → full-bleed */
  .products__grid{max-width:100%}
  .card{border-radius:var(--r)}
  .card__body{padding:14px}
  .card__name{font-size:.9375rem}
  .card__desc{font-size:.75rem;margin-bottom:12px}
  .card__tags li{font-size:.6rem;padding:3px 7px}
  .btn--full{padding:12px;font-size:.8125rem}

  /* Contact channels → 1 col */
  .contact__channels{grid-template-columns:1fr}
  .contact__title{font-size:1.15rem}

  /* About features → tighter */
  .about__feat{padding:10px}
  .about__feat>span{font-size:1rem}
}